[2006, Jun. 20] US7063128 Drum Type Heat Exchanger

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  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

    1/9

    1 2 )

    United S t a t e s

    Patent

    You

    US007063128B2

    US 7 , 0 6 3 , 1 2 8 B2

    J u n . 2 0 ,

    2 0 0 6

    1 0 )

    Patent

    N 0 . :

    4 5 ) Date o f P a t e n t :

    ( 5 4 ) DRUM TYPE HEAT

    EXCHANGER

    7 5 )

    I n v e n t o r : B y u n g - s o o k Y o u ,

    N a m y a n g j u - s i

    ( K R )

    7 3 )

    A s s i g n e e : D a e r y u n I n d

    C o . ,

    L t d ,

    J e o n r a b u k d o

    ( K R )

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    d i s c l a i m e r ,

    t h e term of

    h i s

    y

    p a t e n t

    i s

    e x t e n d e d o r a d j u s t e d u n d e r 3 5

    U . S . C .

    1 5 4 ( b )

    b y

    0

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    ( 2 2 ) F i l e d :

    J u n . 1 4 ,

    2 0 0 4

    ( 6 5 ) P r i o r P u b l i c a t i o n

    Data

    US

    004/0250997

    A1 D e c .

    1 6 ,

    2004

    3 0 ) F o r e i g n A p p l i c a t i o n

    P r i o r i t y

    D a t a

    Jun. 1 2 , 2 0 0 3 (KR) . . . . . . . . . . . . . . . . . . . .

    . .

    1 0- 200 3- 003 7 9 9 2

    ( 5 1 )

    I n t .

    C l .

    F28F

    5 / 0 2

    ( 2 0 0 6 . 0 1 )

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    ( 5 2 ) U.S. C l .

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    . .

    165/89; 165/59;

    165/8

    58) Field of

    Classi?cation

    Search . . . . . . . . . . . . . . . . . . . . 165/4,

    1 6 5 / 6 , 7 , 8 , 9 , 4 8 . 1 , 5 9 , 8 9 ,

    9 0 7 , D I G .

    9

    S e e

    a p p l i c a t i o n ? l e

    f o r c o m p l e t e s e a r c h

    h i s t o r y .

    ( 5 6 ) R e f e r e n c e s

    C i t e d

    U . S .

    PATENT DOCUMENTS

    1 ,6 5 4 ,2 9 4

    12/1927 Ljungstrom . . . . . . . . . . . . . . . . . .

    . . 165/8

    1 , 8 2 3 , 4 8 1

    *

    9/1931 Zander

    . . . . . . . . . . . . . . . . . . . . . . . .

    ..

    1,970,127

    8 /1 93 4 Colby t a 1 . . . . . . . . . . .

    3 ,2 9 4 ,1 5 6 * 12 / 1 9 66 B e aufr e r e e t a 1 . . . . . . . . . . . . . .

    3 , 7 7 8 , 8 7 4

    *

    1 2 / 1 9 7 3

    Norback

    . . . . . . . . . . . . . .

    .

    29/890034

    4,596,284 A * 6/1986 Honmann

    4 ,871 ,607 * 10 / 1 9 8 9

    Kuma

    t

    a 1 .

    . . . .

    . .

    5 , 5 9 5 , 2 3 8 * 1 / 1 9 9 7

    Mark t a 1 . . . . . . . . . .

    . .

    6 ,03 9 ,10 9 3 /2 0 0 0

    Chagnot

    t a 1 . . . . . . .

    2002/0139514

    A1

    2003/0075304

    A1

    10/2002

    Lagace

    e t a 1 ./2003 Adamcyzk . . . . . . . . . . . . . . . .

    . .

    165/54

    *

    c i t e d by

    examiner

    P r i m a r y E x a m i n e r i T h o D u o n g

    7 4 ) A t t o r n e y , A g e n t ,

    o r

    F

    r m i M a t h e W s ,

    S h e p h e r d , McKay

    r u n e a u , PA.

    5 7 )

    ABSTRACT

    A

    rum

    t y p e h e a t

    e x c h a n g e r

    f o r e f f e c t i v e l y v e n t i l a t i n g

    a n d

    p u r i f y i n g room a i r of f a c t o r y , a b u i l d i n g o r a house and t h e

    l i k e i s

    d e s c r i b e d . The

    drum

    t y p e

    h e a t

    e x c h a n g e r h a s

    h e a t

    t r a n s f e r means

    With a

    drum

    shape

    and

    t h u s an

    e n t i r e s i Z e i s

    reduced a s much a s p o s s i b l e and become c o m p a c t , s u c h t h a t

    a

    h a n d l i n g and an i n s t a l l a t i o n

    i s

    e a s y ,

    a t h e r m a l

    e f f i c i e n c y t o

    an i n s t a l l a t i o n

    space of

    t h e h e a t

    t r a n s f e r

    means i s ma xi

    m i z e d , and o v e r a l l

    maintenance

    and r e p a i r s u c h a s a check

    o r exchange of

    t h e

    h e a t

    t r a n s f e r means

    a r e

    e a s y .

    Addition

    a l l y , t h e drum t y p e

    h e a t

    exchanger

    u s e s

    a drum W i t h a s h o r t

    r a d i u s o f

    r o t a t i o n

    s o t h a t an e n t i r e

    o p e r a t i o n c y c l e

    t i m e i s

    s h o r t e n e d and a h e a t t r a n s f e r a r e a i s

    s u f f i c i e n t l y

    s e c u r e d i n

    o r d e r t o

    k e e p t h e

    t h e r m a l

    e f f i c i e n c y h i g h .

    5

    C l a i m s ,

    5

    Drawing S h e e t s

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  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

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  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

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    FIGA

  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

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    F I G 5

  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

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    F I G . 6

  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

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    1

    DRUM

    YPE

    HEAT EXCHANGER

    BACKGROUND OF THE INVENTION

    1 .

    F i e l d

    o f

    t h e

    I n v e n t i o n

    The p r e s en t i n v e n t i o n i s r e l a t e d t o

    a

    drum

    t y p e

    h e a t

    e x c h a n g e r f o r

    e f f e c t i v e l y

    v e n t i l a t i n g

    a n d p u r i f y i n g room i r

    of

    a f a c t o r y , a b u i l d i n g o r a house and t h e l i k e ,

    more

    s p e c i ? c a l l y t h e

    h e a t

    e x c h a n g e r o f Which a

    h e a t t r a n s f e r

    means

    s

    formed a s a r o t a t a b l e drum, s o t h a t a Whole volume

    of

    t h e h e a t

    exchanger i s

    s i g n i ? c a n t l y

    r e d u c e d

    s o

    a s t o

    be

    e x c e l l e n t i n

    a s p e c t

    o f a

    h a n d l i n g

    and an i n s t a l l a t i o n s p a c e ,

    a n d a n o p e r a t i o n c y c l e o f

    t h e h e a t

    e x c h a n g e r i s s h o r t e n e d

    While a s u f f i c i e n t heat

    t r a n s f e r

    a r e a being secured s o

    a s t o

    i m p r o v e a n o v e r a l l

    p e r f o r m a n c e

    o f t h e h e a t

    e x c h a n g e r

    i n

    a s p e c t

    o f e ? i c i e n c y .

    2 .

    Background o f t h e R e l a t e d A r t

    G e n e r a l l y , most o f means f o r v e n t i l a t i n g i n n e r s p a c e s o f

    a f a c t o r y , a b u i l d i n g and a house a r e a p p a r a t u s e s d i r e c t l y

    d i s c h a r g i n g and i n t r o d u c i n g

    a i r s u c h

    a s a f a n .

    Such v e n t i l a t i n g

    means a r e n o t

    e f f i c i e n t

    i n

    a s p e c t

    of

    t h e r m a l

    e f f i c i e n c y a s

    t h e y d i s c h a r g e c o o l o r Warm i r

    i n

    a

    room

    s

    i t

    i s

    i n

    summer

    or

    Winter.

    Many

    e a t e x c h a n g e r s

    o f

    h e a t

    t r a n s f e r t y p e f o r

    m a k i n g

    u p

    f o r t h e s e

    d e f e ct s h a v e b e e n

    d e v e l o p e d r e c e n t l y .

    T h i s

    h e a t

    t r a n s f e r t y p e

    h e a t

    e x c h a n g e r t a k e s

    h e a t

    a n d

    m o i s t u r e

    from an

    i n t r o d u c e d

    How of

    t h e

    a i r and t r a n s f e r

    them

    t o a d i s c h a r g e d How

    of

    t h e a i r s o t h a t i t

    c a r r i e s

    o u t

    p r e f e r a b l e v e n t i l a t i o n

    and

    m a i n t a i n s a n a i r c o n d i t i o n . The

    heat

    exchanger includes a

    fan

    o r a

    bloWer

    a s means

    f o r

    g e n e r a t i n g p r e s s u r e n e c e s s a r y f o r o p p o s i t e ?oWs o f

    a

    d i s

    c h a r g e d

    a i r a n d

    i n t r o d u c e d

    a i r t o p a s s

    t h r o u g h

    t h e h e a t

    e x c h a n g e r .

    I n t h e

    h e a t

    t r a n s f e r t y p e

    h e a t e x c h a n g e r , t e c h n o l o g y

    f o r

    a n

    a p p l i c a t i o n

    o f a

    h e a t t r a n s f e r

    means i s more i m p o r t a n t t h a n

    a n y t h i n g e l s e

    i n

    o r d e r t o r a i s e h e a t

    t r a n s f e r e f ? c i e n c y

    b e t W e e n t h e

    o p p o s i t e

    a i r

    ? o W s ,

    a n d

    much r e s e a r c h

    a n d

    d e v e l o p m e n t

    t h e r e t o

    h a v e b e e n

    a c h i e v e d .

    F o r

    e x a m p l e ,

    t h e

    h e a t

    e x c h a n g e r h a v i n g a

    d i s k

    s h a p e d

    h e a t

    t r a n s f e r

    means

    Which i s t y p i c a l

    i n c o n v e n t i o n a l h ea t

    e x c h a n g e r s i s

    d i s c l o s e d i n

    K o r e a n U t i l i t y Model N o .

    274948

    ( W h i c h

    Was ? l e d on F e b . 7 ,

    2002 by t h e a p p l i c a n t o f t h e

    p r e s e n t

    a p p l i c a t i o n a n d g r a n t e d l a t e

    o n ) .

    H o W e v e r ,

    a s t h i s

    h e a t

    e x c h a n g e r s h o u l d

    ma k e

    a s i Z e o f t h e

    d i s k

    to b e

    l a r g e

    t o

    ensure a s u ? i c i e n t heat t r a n s f e r r i n g a r e a , an

    e n t i r e

    a r e a

    and

    a

    volume o f

    t h e

    h e a t e x c h a n g e r become l a r g e r s u c h

    t h a t t h e

    h e a t

    e x c h a n g e r i s i n c o n v e n i e n t t o h a n d l e and o c c u p i e s

    a

    l a r g e s p a c e to

    be i n s t a l l e d .

    A d d i t i o n a l l y , i n

    c a s e

    o f t h e

    d i s k

    having a

    diameter

    of

    4 5 0 mm

    r more,

    a s

    a r a d i u s of

    o t a t i o n

    i s l o n g and i t

    t a k e s

    much

    t i m e t o r o t a t e t h e d i s k , t h e

    s a t i s f a c t o r y

    t h e r m a l e f ? c i e n c y

    c a n

    n o t

    b e

    p r o p e r l y o b t a i n e d .

    T h e r e f o r e ,

    g r a d u a l l y i n c r e a s e d i s a r e q u e s t f o r

    an

    i m p r o v e m e n t o f

    t h e h e a t

    e x c h a n g e r

    W h i c h

    i s i m p r o v e d

    W i t h o u t

    l i m i t a t i o n t o c o n v e n t i o n a l

    d e s i g n

    s u c h t h a t i t

    i n c l u d e s t h e h e a t

    t r a n s f e r

    means h a v i n g t h e h i g h e f ? c i e n c y ,

    and

    h a s

    reduced a r e a and volume

    s u c h

    t h a t a

    h a n d l i n g

    and

    an i n s t a l l a t i o n

    i s e a s y .

    SUMMARY

    OF THE INVENTION

    The p r e s en t i n v e n t i o n i s

    c o n t e m p l a t e d

    t o s o l v e a f o r e m e n

    t i o n ed p r o b l e m s , a n d h a s

    a n o b j e c t t o

    p r o v i d e

    a

    drum t y p e

    h e a t exchanger i n

    Which

    h e a t

    t r a n s f e r

    means h a s a drum

    s h a p e and t h u s an e n t i r e s i Z e i s reduced a s

    much

    a s

    p o s s i b l e

    and

    become

    c o m p a c t , s u c h t h a t

    a h a n d l i n g

    and

    an

    i n s t a l l a

    t i o n i s

    e a s y , a

    s m a l l

    s p a c e

    i s

    t a k e n

    f o r

    t h e i n s t a l l a t i o n , a

    t h e r m a l e f ? c i e n c y

    t o

    an

    n s t a l l a t i o n

    s p a c e

    of

    h e h e a t t r a n s f e r

    20

    25

    30

    35

    4 0

    45

    50

    55

    60

    6 5

    2

    means

    i s m a x i m i Z e d ,

    a n d o v e r a l l

    m a i n t e n a n c e

    a n d

    r e p a i r

    such a s a checkup

    o r

    an exchange of h e

    h e a t t r a n s f e r means

    a r e

    e a s y i n o r d e r f o r t h e h e a t t r a n s f e r means t o be r e c y c l e d

    and t h u s a

    l i f e s p a n

    o f t h e

    h e a t

    e x c h a n g e r

    i s

    e x t e n d e d .

    I t i s

    a n o t h e r o b j e c t o f t h e

    p r e s en t i n v e n t i o n t o

    p r o v i d e

    t h e

    drum

    t y p e

    h e a t exchanger

    Which u s e s t h e

    drum W i t h

    a

    s h o r t

    r a d i u s o f r o t a t i o n s o t h a t

    an

    e n t i r e o p e r a t i o n c y c l e

    t i m e i s

    s h o r t e n e d

    and

    a

    h e a t

    t r a n s f e r a r e a i s s u f ? c i e n t l y s e c u r e d i n

    o r d e r t o k e e p t h e

    t h e r m a l

    e f ? c i e n c y

    h i g h .

    T o a c c o m p l i s h a b o v e o b j e c t s , t h e p r e s e n t i n v e n t i o n p r o

    v i d e s a drum

    t y p e

    h e a t e x c h a n g e r

    c o m p r i s i n g

    a

    main

    body

    having

    an

    o u t e r

    a i r

    o u t l e t and

    an i n n e r a i r i n l e t

    formed

    a t

    a

    f r o n t p a n e l

    t h e r e o f

    and an o u t e r a i r i n l e t and an i n n e r a i r

    o u t l e t f o r m e d a t

    b o t h

    s i d e p a n e l r e s p e c t i v e l y , t h e main b o d y

    having

    an o u t e r

    a i r

    chamber and an i n n e r

    a i r

    chamber

    de?ned by d i v i d i n g a n i n n e r

    s p a c e t h e r e o f W i t h

    a

    b l o c k i n g

    p l a t e d i s p o s e d i n

    a

    l e n g t h d i r e c t i o n

    s o

    a s t o

    e n a b l e

    i n d o o r a i r

    and

    outdoor a i r

    t o

    How u t of

    and

    How

    n t o

    t h e room; a

    h e a t

    t r a n s f e r drum d i s p o s e d o v e r b o t h c h a m b e r s a l o n g

    a

    l e n g t h

    d i r e c t i o n t h e r e o f i n t h e

    main body

    and

    r o t a t a b l e

    W i t h

    b o t h

    e n d s t h e r e o f b e i n g

    s u p p o r t e d

    b y a p l u r a l i t y o f r o l l e r s , t h e

    h e a t t r a n s f e r drum

    p e r f o r m i n g

    h e a t e x c h a n g e b e t W e e n

    t h e

    i n d o o r a n d o u t d o o r

    a i r

    b y

    t r a v e l i n g

    b o t h

    c h a m b e r

    d u r i n g

    r o t a t i o n ; and a d r i v i n g motor l o c a t e d a t one s i d e i n t h e main

    b o d y

    a n d

    r o t a t i n g t h e h e a t t r a n s f e r drum

    c o n n e c t e d t h e r e

    W i t h by

    a b e l t .

    A r u s h

    i s i n s t a l l e d betWeen t h e h e a t t r a n s f e r drum

    and

    h e

    b l o c k i n g

    p l a t e i n s e r t e d

    i n

    t h e h e a t t r a n s f e r drum a n d

    betWeen

    W a l l s

    o f t h e

    main body a n d

    t h e

    h e a t t r a n s f e r drum

    s o a s

    t o

    prevent

    movement of

    h e a t

    betWeen both chambers.

    The

    h e a t t r a n s f e r drum c o m p r i s e s

    a

    drum

    body h a v i n g

    r o l l e r g u i d e

    s u r f a c e s f o r m e d c o n t i n u o u s l y

    a l o n g

    a c i r c u m

    f e r e n c e a t both

    ends

    t h e r e o f and

    a p u l l e y

    formed

    a t a middle

    p o r t i o n t h e r e o f , t h e drum body formed t o b e a

    p o r o u s

    meshed c y l i n d e r ; and a h e a t t r a n s f e r m edium a t t a c h e d

    t o

    an

    e n t i r e c i r c u m f e r e n t i a l s u r f a c e o f t h e drum

    body

    W i t h a

    ?xed

    t h i c k n e s s a n d

    p e r f o r m i n g t h e

    h e a t e x c h a n g e W i t h

    t h e

    a i r .

    The

    h e a t t r a n s f e r

    medium

    i s

    f o r m e d

    t o

    b e

    s i n g l e

    body

    s u r r o u n d i n g t h e

    c y l i n d r i c a l h e a t t r a n s f e r

    drum

    a t

    once

    o r

    a

    d i v i d a b l e b o d y

    c o m p r i s i n g

    s e v e r a l p i e c e s

    t o s u r r o u n d

    t h e

    h e a t t r a n s f e r d r u m .

    The h e a t t r a n s f e r medium i s

    made o f

    one o f

    p o l y e s t e r

    p a r t i c l e s , g l a s s ? b e r , n o n f e r r o u s

    m e t a l ,

    a n d

    f o a m e d

    p l a s t i c .

    The

    r o l l e r s

    g u i d i n g

    a r o t a t i o n of h e h e a t

    t r a n s f e r

    drum a r e

    mounted

    t o

    be a b l e t o i d l e a t t h e f r o n t p a n e l and a r e a r p a n e l

    o f t h e main b o d y , and

    Wherein

    f o u r

    r o l l e r s

    a r e

    d i s p o s e d i n

    a

    l a t t i c e

    form s o a s

    t o

    s u p p o r t

    t h e

    f o u r

    p o i n t s of t h e circum

    f e r e n c e

    o f t h e d r u m .

    The p r e s e n t i n v e n t i o n m e n t i o n e d a b o v e i m p r o v e s a n

    e n t i r e p e r f o r m a n c e o f t h e h e a t e x c h a n g e r and a

    c o n v e n i e n c e

    f o r u s e and m a i n t e n a n c e o f t h e

    h e a t

    e x c h a n g e r .

    BRIEF

    DESCRIPTION OF

    THE

    DRAWINGS

    The f e a t u r e s a n d

    a d v a n t a g e s

    o f

    t h e p r e s e n t i n v e n t i o n

    W i l l

    b e more d e s c r i b e d s p e c i ? c a l l y i n

    t h e

    f o l l o W i n g

    d e s c r i p t i o n

    o f

    p r e f e r r e d embodiments

    o f

    t h e

    i n v e n t i o n W i t h

    r e f e r e n c e

    t o

    t h e a c c o m p a n y i n g d r a W i n g s W h e r e i n :

    F I G . 1 i s a n e x p l o d e d p e r s p e c t i v e vieW shoWing

    a

    drum

    t y p e h e a t

    e x c h a n g e r

    a c c o r d i n g t o

    t h e

    p r e s e n t

    i n v e n t i o n ;

    F I G . 2 i s a f r o n t s e c t i o n a l vieW shoWing t h e

    drum

    t y p e

    h e a t

    e x c h a n g e r

    a c c o r d i n g t o t h e p r e s e n t i n v e n t i o n ;

    F I G .

    3 i s a s e c t i o n a l vieW t a k e n a l o n g

    i i n e

    o f F I G .

    2 ;

    FIG. 4 i s a

    s e c t i o n a l

    vieW s hoWing one embodiment

    of

    a

    h e a t

    t r a n s f e r medium

    n

    t h e

    p r e s e n t

    i n v e n t i o n ;

  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

    8/9

    US

    7 , 0 6 3 , 1 2 8

    B2

    3

    F I G . 5 i s a p e r s p e c t i v e vieW showing a c o u p l i n g

    o f

    a h e a t

    t r a n s f e r

    drum

    i n

    t h e p r e s e n t i n v e n t i o n ;

    a n d

    F I G .

    6

    i s

    a

    s e c t i o n a l

    vieW

    t a k e n a l o n g BiB i n e o f F I G .

    2 .

    DETAILED DESCRIPTION OF THE

    PREFERRED EMBODIMENT

    Reference

    W i l l

    noW e

    m a d e i n

    d e t a i l t o an

    embodiment

    o f t h e

    p r e s e n t

    i n v e n t i o n ,

    e x a m p l e s

    o f

    Which

    a r e

    i l l u s t r a t e d

    i n

    t h e a c c o m p a n y i n g

    d r a W i n g s .

    I n

    e x p l a i n i n g

    t h e

    p r e s e n t

    i n v e n t i o n ,

    t h e same names

    and

    r e f e r e n c e numerals W i l l be

    g i v e n to t h e same

    c o m p o n e n t s ,

    and

    e x p l a n a t i o n s

    i n t h e

    same

    W i l l b e o m i t t e d .

    A rum t y p e

    h e a t

    e x c h a n g e r a c c o r d i n g

    t o

    t h e p r e s e n t

    i n v e n t i o n

    i s c h a r a c t e r i Z e d by

    i n c l u d i n g

    h e a t t r a n s f e r

    means

    o f

    a drum s h a p e .

    T h i s drum s h a p e d h e a t t r a n s f e r means t r a n s m i t s s e n s i b l e

    h e a t

    e n e r g y and l a t e n t

    h e a t

    e n e r g y t o tWo

    a i r

    ?oWs p a s s i n g

    t h e r e t h r o u g h , W i t h r o t a t i n g b y a p r e d e t e r m i n e d d r i v i n g

    means.

    A l s o , t h e drum s h a p e d h e a t

    t r a n s f e r

    means s d i s p o s e d

    i n

    a

    main

    body

    o f

    t h e

    h e a t e x c h a n g e r ,

    and

    s

    combined

    W i t h

    a

    b l o c k i n g p l a t e Which can p r e v e n t a m u t u a l m i x t u r e o f tWo

    o p p o s i t e a i r ? o W s .

    The drum

    shaped h e a t t r a n s f e r

    means

    i n c l u d e s a

    h e a t

    t r a n s f e r medium Which

    h a s

    s u ? i c i e n t p o r o s i t y

    e n a b l i n g

    a

    p a s s a g e

    o f

    t h e a i r a n d s u ? i c i e n t

    d e n s i t y

    f o r i n t r o d u c i n g

    t u r b u l e n c e i n t o t h e air?oW and p r o v i d i n g a s u r f a c e f o r h e a t

    t r a n s f e r .

    F o r e x a m p l e , t h e

    h e a t

    t r a n s f e r medium c a n be

    made

    o f

    p o l y e s t e r

    p a r t i c l e s , g l a s s ? b e r ,

    n o n f e r r o u s

    m e t a l , a n d

    f o a m e d

    p l a s t i c .

    P r e f e r a b l y , p r o p e r amount o f a d e o d o r a n t

    can

    be

    added t o r a W

    m a t e r i a l s

    mentioned above t o

    remove

    an

    o d o r ,

    and Z e o l i t e

    can

    be added o

    remove

    a c t e r i a and

    mold

    caused

    to i n h a b i t t h e h e a t t r a n s f e r

    medium

    d u r

    t o

    m o i s t u r e

    i n

    t h e a i r .

    When h e

    p a r t i c l e m a t e r i a l

    s u c h a s

    t h e

    p o l y e s t e r , t h e g l a s s

    ? b e r ,

    and

    t h e

    n o n f e r r o u s m e t a l

    and

    t h e

    l i k e

    i s

    used

    a s

    t h e

    h e a t

    t r a n s f e r

    medium,

    a

    c o n t a i n e r

    i s

    p r o v i d e d

    t o accommo

    d a t e

    such

    a t e r i a l and t o be

    coupled

    on a s u r f a c e

    of

    h e

    drum

    shaped

    h e a t

    t r a n s f e r means.

    When h e

    m a t e r i a l

    such a s

    t h e

    f o a m e d p l a s t i c W h i c h i s

    e a s i l y

    f o r m e d

    i s

    a p p l i e d , t h e h e a t

    t r a n s f e r medium s formed a s an i n d e p e n d e n t

    b o d y .

    F I G .

    1

    i s a n e x p l o d e d p e r s p e c t i v e vieW shoWing a

    drum

    t y p e h e a t e x c h a n g e r

    a c c o r d i n g

    t o t h e p r e s e n t

    i n v e n t i o n ,

    F I G .

    2 i s a f r o n t

    s e c t i o n a l vieW shoWing t h e

    drum t y p e

    h e a t

    e x c h a n g e r a c c o r d i n g t o t h e p r e s e n t i n v e n t i o n , a n d F I G .

    3

    i s

    a

    s e c t i o n a l vieW t a k e n a l o n g i i n e o f F I G . 2 .

    As s h o W n ,

    a h e a t t r a n s f e r

    medium

    19d o r a h e a t exchange

    can be con?gured t o

    surround

    an e n t i r e

    circumference

    of

    a

    drum

    body 1 9 0 Which

    s

    a p o r o u s

    meshed

    c y l i n d e r . The h e a t

    t r a n s f e r

    medium

    19d

    s

    f o r m e d

    t o

    b e s i n g l e

    body s u r r o u n d

    i n g t h e W h o l e drum body 1 9 0 o r a d i v i d a b l e body

    c o m p r i s i n g

    s e v e r a l p i e c e s

    a s s i g n e d

    t o

    e a c h

    o f s e c t i o n s

    i n t o

    Which

    t h e

    e n t i r e c i r c u m f e r e n c e o f t h e drum

    body

    1 9 0

    i s

    d i v i d e d .

    The

    d i v i d a b l e

    b o d y i s

    a d v a n t a g e o u s

    f o r c h e c k i n g o r

    e x c h a n g i n g t h e

    h e a t

    t r a n s f e r medium 1 9 d .

    F o r e x a m p l e , i f t h e

    h e a t

    t r a n s f e r medium 19d s

    formed

    a s

    t h e i n d e p e n d e n t b o d y u s i n g t h e f o a m e d

    p l a s t i c ,

    t h e c h e c k

    and

    t h e

    exchange a r e e a s i e r . On

    h e

    c o n t r a ry , a s shoWn i n

    F I G . 4 , i f t h e h e a t

    t r a n s f e r

    medium 19d made o f t h e p a r t i c l e

    m a t e r i a l , t h e

    h e a t

    t r a n s f e r medium

    19d

    a n b e

    i n s t a l l e d i n t h e

    c o n t a i n e r b y d e t a c h i n g a n d r e i n s t a l l i n g a mesh member

    1 9 e

    c o m p r i s i n g an o u t e r

    W a l l

    of

    t h e

    c o n t a i n e r and can be e a s i l y

    c h e c k e d a n d e x c h a n g e d b y d e t a c h i n g t h e mesh

    member

    9 e .

    A l s o ,

    t h e c o n t a i n e r

    c o n t a i n i n g t h e h e a t t r a n s f e r medium 19d

    made o f

    t h e

    p a r t i c l e

    m a t e r i a l

    c a n b e e x c h a n g e d s e p a r a t e l y .

    20

    25

    30

    35

    4 0

    45

    50

    55

    60

    6 5

    4

    A e a t t r a n s f e r drum 1 9 h a v i n g s u c h h e a t t r a n s f e r medium

    1 9 d i s d i s p o s e d i n a r e c t a n g u l a r

    t u b e s h a p e d

    main b o d y

    1 7

    a l o n g

    a

    l e n g t h d i r e c t i o n . T Wo i s o l a t e d s p a c e s a r e

    de?ned

    by

    a b l o c k i n g p l a t e 1 4 Which e x t e n d s i n a l e n g t h d i r e c t i o n a l o n g

    a c e n t e r a x i s

    o f

    t h e

    main body

    1 7 ,

    a n d

    t h e

    drum 1 9 p e r f o r m s

    t h e

    h e a t

    e x c h a n g e

    o p e r a t i o n

    W i t h b e i n g l a i d o v e r b o t h o f t h e

    i s o l a t e d s p a c e s .

    For such

    h e a t

    e x c h a n g e , an o u t e r a i r o u t l e t 10

    and

    an n n e r

    a i r i n l e t 1 1

    Which

    a r e

    o r i e n t e d

    i n d i f f e r e n t d i r e c t i o n s i s

    formed

    t a f r o n t p a n e l

    o f

    t h e main body 1 7 ,

    and

    an o u t e r

    a i r

    i n l e t 12

    and

    an i n n e r a i r

    o u t l e t

    13 a r e formed a t both s i d e

    p a n e l s r e s p e c t i v e l y . T h e b l o c k i n g

    p l a t e

    1 4 i s i n s t a l l e d

    t o

    e x t e n d

    a l o n g

    t h e l e n g t h d i r e c t i o n

    o f

    t h e main b o d y 1 7 W i t h

    r e f e r e n c e

    t o a

    c e n t e r p o r t i o n

    betWeen t h e i n l e t

    and

    t h e o u t l e t

    i n

    t h e

    f r o n t p a n e l ,

    s o

    t h a t i t

    de?nes

    tWo i s o l a t e d s p a c e s ,

    i . e .

    an

    o u t e r a i r chamber 15

    and

    an i n n e r a i r chamber 1 6 .

    A c c o r d i n g l y ,

    ?oWs

    i n o p p o s i t e d i r e c t i o n s o f a n o u t e r a i r

    and an n n e r a i r a r e formed n t h e

    main

    body 1 7 , and t h e h e a t

    e x c h a n g e

    i s

    p e r f o r m e d

    i n

    t h e c h a m b e r s b y t h e h e a t t r a n s f e r

    drum e x t e n d i n g o v e r

    b o t h

    o f t h e c h a m b e r s .

    F o r

    e x a m p l e ,

    t h e o u t e r a i r

    i s i n t r o d u c e d t h r o u g h

    t h e

    o u t e r

    a i r i n l e t 1 2 and t h e h e a t t r a n s f e r medium 19d

    l o c a t e d

    i n

    t h e

    o u t e r

    a i r

    chamber

    1 5 ,

    and

    t h e n

    i s

    p r o v i d e d

    i n

    a

    room

    though

    t h e o u t e r a i r o u t l e t 1 0 . The i n n e r a i r i s

    i n t r o d u c e d

    i n t o t h e

    i n n e r a i r chamber 1 6

    t h r o u g h

    t h e i n n e r a i r i n l e t

    1 1 ,

    a n d t h e n

    i s d i s c h a r g e d

    o u t s i d e

    s e q u e n t i a l l y p a s s i n g t h r o u g h t h e

    h e a t

    t r a n s f e r medium 19d

    l o c a t e d i n

    t h e

    i n n e r a i r

    chamber 1 5 and

    t h e

    i n n e r a i r

    o u t l e t 1 3 .

    The i n n e r a i r and

    t h e

    o u t e r a i r

    e x c h a n g e s e n s i b l e h e a t a n d l a t e n t h e a t t h e r e o f

    u s i n g

    t h e h e a t

    t r a n s f e r medium 19d e x t en d i n g o v e r b o t h c h a m b e r s d u r i n g

    s t a y i n g i n e a c h c h a m b e r . T h a t i s ,

    W i t h o u t

    d i s c h a r g i n g

    i n n e r

    h e a t t o t h e

    o u t s i d e ,

    f r e s h a i r i s i n t r o d u c e d f r o m t h e o u t s i d e

    a n d o n l y o d o r i s g o n e

    o u t s i d e .

    A

    l o W i n g

    means i s

    s e l e c t i v e l y

    i n s t a l l e d d i r e c t t o e a c h

    i n l e t

    and

    o u t l e t t o g e t h e r

    With

    a g r i l l , o r a

    d u c t

    o r a hose

    e x t e n d i n g

    from an e x t e r n a l

    bloWing

    means

    i s

    c o n n e c t e d

    t o

    s o

    a s t o

    induce t h e a i r How.

    A

    r u s h

    22

    i s

    p r o v i d e

    a s

    means

    f o r c u t t i n g o f f

    h e a t

    movement betWeen

    t h e

    c h a m b e r s W h i l e

    t h e h e a t e x c h a n g e

    i s

    p e r f o r m e d i n b o t h

    c h a m b e r by

    t h e

    h e a t

    t r a n s f e r

    drum 1 9 .

    The b r u s h 2 2 i s

    i n s t a l l e d

    b e t W e e n t h e

    b l o c k i n g

    p l a t e 1 4

    de?ning

    b o t h

    chamber

    and

    an i n n e r c i r c u m f e r e n t i a l s u r f a c e

    o f

    t h e

    drum 1 9

    and

    betWeen

    u p p e r

    and l o W e r

    p l a t e s

    o f

    t h e

    main body 17 and an o u t e r c i r c u m f e r e n t i a l s u r f a c e o f t h e

    drum 1 9

    r e s p e c t i v e l y .

    The

    b r u s h

    2 2

    i n t e r c e p t s

    h e a t move

    ment betWeen

    t h e

    o u t e r

    a i r chamber

    15 and

    t h e

    i n n e r

    a i r

    chamber 1 6 ,

    s o

    t h a t

    i t s e r v e s

    t o

    reduce h e a t

    l o s s

    a s much s

    p o s s i b l e a n d t o

    k e e p

    h i g h

    t h e r m a l

    e ? i c i e n c y o f t h e h e a t

    e x c h a n g e r .

    The h e a t t r a n s f e r drum

    19

    can r o t a t e

    With

    a predetermined

    s p e e d b e t W e e n c h a m b e r s i n

    o r d e r t o

    p e r f o r m t h e

    h e a t

    e x c h a n g e t o

    t h e

    a i r .

    As shoWn

    F I G . 5 , t h e drum body 1 9 0 o f t h e h e a t t r a n s f e r

    drum

    1 9

    h a s r o l l e r g u i d e

    s u r f a c e s

    1 9 a

    c o n t i n u o u s l y f o r m e d

    a l o n g t h e

    c i r c u m f e r e n c e s

    o f

    b o t h e n d s t h e r e o f a n d a p u l l e y

    1 9 b

    f o r m e d

    i n

    a m i d d l e p o r t i o n o f t h e body 1 9 ,

    a n d

    i s

    c o n c e n t r i c a l l y p o s i t i o n e d i n t h e m a i n b o d y 1 7 . T h e h e a t

    t r a n s f e r

    medium

    19d s c o u p l e d b e t W e e n b o t h r o l l e r

    g u i d e

    s u r f a c e s

    1 9 a a n d

    t h e p u l l e y 1 9 b . Each

    r o l l e r g u i d e

    s u r f a c e

    1 9 a

    i s

    s t a b l y s u p p o r t e d

    by f o u r r o l l e r s

    1 8

    Which

    c a n

    i d l e

    a n d

    a r e

    a r r a n g e d

    i n

    a l a t t i c e

    f o r m a t

    a t

    both f r o n t p a n e l

    and

    r e a r

    p a n e l r e s p e c t i v e l y , a n d t h u s t h e drum b o d y 1 9 0 i s ro t a t a b le

    e n t i r e l y s u p p o r t e d a t

    e i g h t

    p o i n t s .

    As

    s h o W n

    i n

    F I G .

    6 ,

    t h e

    p u l l e y

    19b i s c o n n e c t e d by a b e l t 20 W i t h a

    p u l l e y

    o f a

    d r i v i n g motor 21 Which i s l o c a t e d a t one s i d e o f t h e drum

    body 190 s o t h a t t h e

    h e a t

    t r a n s f e r drum 1 9 can

    b e

    r o t a t e d by

    t h e d ri v i n g motor

    2 1 .

  • 7/24/2019 [2006, Jun. 20] US7063128 Drum Type Heat Exchanger

    9/9

    US

    7 , 0 6 3 , 1 2 8

    B2

    5

    The

    d r i v i n g motor

    2 1 i s

    i n s t a l l e d

    u s i n g

    a p l a t e

    b r a c k e t 2 4

    ?xed

    o t h e

    main body 17 o f

    t h e

    h e a t e x c h a n g e r , and a n i d l e r

    23

    a d j u s t a b l e a l o n g a s l o t

    25 i s i n s t a l l e d a t

    one s i d e

    of

    t h e

    b r a c k e t

    24

    s o a s

    t o

    a d j u s t t e n s i o n o f t h e b e l t 2 0 , i f n e c e s s a r y .

    I t i s

    p r e f e r a b l e t h a t r o t a t i o n

    s p e e d o f

    t h e d r i v i n g

    m o t o r , i . e .

    r o t a t i o n s p e e d o f t h e h e a t t r a n s f e r drum s 20*40 r p m .

    I f

    t h e r o t a t i o n

    s p e e d

    o f t h e

    h e a t

    t r a n s f e r

    drum s t o o

    l o W ,

    t h e

    e ? i c i e n c y o f

    t h e

    h e a t e x c h a n g e r i s r e d u c e d , a n d i f

    t h e

    r o t a t i o n s p e e d

    i s e x c e s s i v e l y

    h i g h , an i n t e r s e c t i o n

    o r a

    mixture

    of h e

    o p p o s i t e

    air?oWs can

    occur

    and t h u s amount

    o f

    v e n t i l a t i o n

    i s

    r e d u c e d .

    HoWever,

    t h e h e a t t r a n s f e r

    drum o f

    t h e p r e s e n t

    i n v e n t i o n

    h a s a

    h e a t t r a n s f e r

    s u r f a c e s u ? i c i e n t f o r

    t h e h e a t

    exchange and

    a r o t a t i o n r a d i u s t h e r e o f

    s

    n o t

    g r e a t .

    T h e r e f o r e , t h o u g h

    t h e

    h e a t

    t r a n s f e r

    drum

    s

    r o t a t e d

    W i t h h i g h

    s p e e d

    m e n t i o n e d

    a b o v e , i t m a i n t a i n s t h e e x c e l l e n t

    t h e r m a l

    e f ? c i e n c y .

    M e a n w h i l e , i n t h e

    p r e s e n t

    i n v e n t i o n t h e

    drum

    t y p e

    e x c h a n g e r i n c l u d e s a d d i t i o n a l a i r p u r i ? c a t i o n means i n c l u d

    i n g

    ? l t e r i n g m a t e r i a l f o r

    p u r i f y i n g d i s c h a r g e d

    o r

    i n t r o d u c e d

    an.

    Though t h e h e a t t r a n s f e r

    medium

    c a n c a r r y o u t ? l t e r i n g

    W i t h

    r e g a r d

    t o some

    k i n d

    o f p a r t i c l e s ,

    a n d e s p e c i a l l y

    m a y

    h a v e

    g o o d

    ? l t e r i n g

    e ? f e c t

    a c c o r d i n g

    t o

    t h e

    m a t e r i a l

    o f

    W h i c h

    t h e

    medium o n s i s t s ,

    i t

    i s p r e f e r a b l e

    f o r t h e

    h e a t

    e x c h a n g e r

    to be

    combined

    W i t h

    t h e

    a i r

    p u r i ? c a t i o n

    means mentioned

    a b o v e .

    The i r p u r i ? c a t i o n

    m e a n s , f o r

    e x a m p l e t h e ? l t e r m a t e r i a l

    i s

    e s p e c i a l l y p r o v i d e d t o

    t h e o u t e r

    a i r i n l e t 12

    s o

    a s t o

    s u p p l y

    c l e a n

    a i r

    t o

    t h e room o r p u r i f y a i r

    t o

    be forWarded

    t o

    t h e h e a t

    t r a n s f e r

    m e d i u m , a f t e r ? l t e r i n g i m p u r i t i e s i n

    t h e

    o u t e r

    a i r .

    S u c h

    a d o p t i o n o f

    t h e a i r

    p u r i ? c a t i o n means e ? f e c t i v e l y

    i n c r e a s e s

    a p p l i c a b i l i t y

    o f t h e d r u m t y p e h e a t e x c h a n g e r .

    T h e drum t y p e h e a t e x c h a n g e r a c c o r d i n g t o t h e p r e s e n t

    i n v e n t i o n i s

    mainly

    i n s t a l l e d t o a WindoW, and can be

    d i s p o s e d

    i n t h e room by

    e x t e n d i n g

    t h e

    d u c t

    o r

    h o s e

    o u t s i d e .

    I n a d d i t i o n ,

    t h e

    h e a t e x c h a n g e r may b e

    l a i d

    i n t o

    t h e

    c e i l i n g

    and

    can be

    i n s t a l l e d i n

    v a r i o u s Ways.

    T h e

    h e a t

    e x c h a n g e

    o p e r a t i o n

    o f

    t h e

    drum

    t y p e

    h e a t

    e x c h a n g e r W i l l

    b e

    e x p l a i n e d

    i n d e t a i l .

    TWo

    o p p o s i t e

    a i r

    ?oWs p a s s e s t h r o u g h

    t h e h e a t

    t r a n s f e r

    drum 1 9 i n t h e

    main

    body h a v i n g t h e i n n e r and o u t e r a i r

    c h a m b e r s 1 5 , 1 6 d i v i d e d by t h e p l a t e 1 4 a n d t h e

    h e a t t r a n s f e r

    drum

    1 9 t r a v e l i n g t h r o u g h t h e c h a m b e r s W i t h

    b e i n g

    r o t a t e d

    by

    t h e m o t o r

    T h a t

    s ,

    t o

    a c h i e v e t h e

    h e a t e x c h a n g e W i t h

    t h e

    h e a t t r a n s f e r

    medium, t h e o u t e r a i r i s i n t r o d u c e d

    i n

    a

    r a d i a l d i r e c t i o n of

    t h e drum 1 9 a n d t h e n g u i d e d a l o n g

    a n

    a x i a l d i r e c t i o n t h e r e o f ,

    and t h e i n n e r a i r i s i n t r o d u c e d i n t h e a x i a l d i r e c t i o n and t h e n

    g u i d e d

    a l o n g

    t h e

    r a d i a l d i r e c t i o n .

    TWo

    o p p o s i t e

    a i r

    ?oWs

    a re p r o d u c e d b y t h e b l o W i n g

    means

    connected

    t o

    t h e i n n e r a i r i n l e t 1 1 and t h e o u t e r a i r

    i n l e t

    1 2 , a n d

    t h e n t h e

    s e n s i b l e a n d

    l a t e n t h e a t i s

    e x c h a n g e d

    b e t W e e n t h e

    i n n e r

    a i r

    a n d

    t h e

    o u t e r a i r ,

    p a s s i n g

    t h r o u g h

    t h e

    r o t a t i n g

    h e a t

    t r a n s f e r

    drum

    9 .

    T h e r e f o r e , t h e d i s c h a r g e d a i r

    ?oWs o u t s i d e W i t h

    t h e

    s e n s i b l e and

    l a t e n t

    h e a t a r e t a k e n

    and

    t h e

    i n t r o d u c e d

    a i r

    ?oWs

    i n t o t h e

    room p a s s i n g t h r o u g h

    t h e

    h e a t t r a n s f e r drum 1 9 a n d t a k i n g

    t h e s e n s i b l e and

    a t e n t h e a t

    g a t h e r e d i n t h e drum d u r i n g d i s c h a rg i n g t h e i n n e r a i r .

    As

    s u c h , d u e

    t o

    t h e

    h e a t

    t r a n s f e r

    e f ? c i e n c y

    and t h e

    m a t e r i a l c h a r a c t e r i s t i c s o f t h e

    h e a t

    t r a n s f e r medium

    and

    t h e

    l a r g e s u r f a c e

    f o r

    t h e h e a t e x c h a n g e , t h e p r e s e n t i n v e n t i o n

    p r o v i d e s t h e

    drum

    t y p e h e a t

    e x c h a n g e r

    W h i c h s

    s i m p l e i n a n

    e n t i r e s i Z e

    and an o p e r a t i n g method

    such

    a s

    a volume of t h e

    h e a t

    e x c h a n g e r

    and t h e r o t a t i o n s p e e d , a n d

    i s e a s y

    i n a n

    i n s t a l l a t i o n

    t h e r e o f . T h e r e f o r e ,

    a s

    room a i r

    i s v e n t i l a t e d

    p e r f o r m i n g

    t h e h e a t

    e x c h a n g e

    b y u s i n g t h e h e a t t r a n s f e r

    drum Which can g a t h e r t h e s e n s i b l e and

    l a t e n t

    h e a t and

    can

    20

    25

    30

    35

    4 0

    45

    50

    55

    60

    6 5

    6

    v a r y

    t h e

    o p p o s i t e p o s i t i o n s o f

    t h e a i r

    ?oWs b y

    t h e

    r o t a t i o n ,

    an

    e f ? c i e n t

    a i r

    c o n d i t i o n i n g

    e f f e c t can be o b t a i n e d r e s t r a i n

    i n g

    h e a t

    l o s s i n t h e r o o m .

    The a d v a n t a g e s o f t h e h e a t e x c h a n g e r a c c o r d i n g t o t h e

    p r e s e n t

    i n v e n t i o n

    a r e

    summarized a s f o l l o W s .

    The r e s e n t

    i n v e n t i o n

    p r o v i d e s t h e

    h e a t

    e x c h a n g e r

    i n c l u d

    i n g t h e h e a t

    t r a n s f e r

    means

    o f

    t h e

    drum

    s h a p e . A c c o r d i n g l y ,

    p e r f o r m a n c e

    o f

    t h e

    h e a t

    e x c h a n g e r i s g r e a t l y i n c r e a s e d .

    More

    s p e c i ? c a l l y , a c r o s s s e c t i o n

    o f

    t h e

    h e a t

    t r a n s f e r

    medium an be

    increased t o

    ensure a s u f ? c i e n t h e a t

    t r a n s f e r

    a r e a , and an e n t i r e Width and

    volume

    can be reduced s o t h a t

    a checkup

    and

    an

    exchange a r e

    e a s y and a

    l a r g e

    s p a c e i s n o t

    o c c u p i e d f o r

    t h e i n s t a l l a t i o n . E s p e c i a l l y , t h e s u f ? c i e n t h e a t

    t r a n s f e r a r e a

    i s

    o b t a i n e d and a c y c l e

    t i m e

    to t h e number of

    r o t a t i o n

    p e r

    t i m e

    i s

    s h o r t e n e d ,

    s u c h

    t h a t t h e e x c e l l e n t h e a t

    e x c h a n g e

    e ? i c i e n c y i s o b t a i n e d .

    I n

    a d d i t i o n ,

    t h e p r e se n t i n v e n t i o n can

    be

    u s e d

    W i t h

    t h e

    a d d i t i o n a l

    a i r p u r i ? c a t i o n means u s i n g t h e d u c t .

    Although a number o f

    embodiment

    have d e s c r i b e d

    i n t h e

    a b o v e s p e c i ? c a t i o n ,

    i t

    s h o u l d b e a p p a r e n t t h a t t h e p r e s e n t

    i n v e n t i o n c o u l d

    b e embodied

    i n

    many o t h e r

    s p e c i ? c

    mode

    i n c l u d e d W i t h i n t h e s p r i t a n d s c o p e o f t h e p r e s e n t i n v e n t i o n .

    T h u s ,

    t h e

    p r e s e n t

    embodiments

    s h o u l d

    be

    c o n s i d e r e d

    a s

    i l l u s t r a t i v e , a n d t h e

    p r e s en t i n v e n t i o n c o u l d

    b e modi?ed

    W i t h i n

    t h e s c o p e o f

    c l a i m s

    a n d t h e e q u i v a l e n t t h e r e o f .

    What s c l a i m e d

    i s :

    1 .

    A rum t y p e

    h e a t e x c h a n g e r

    c o m p r i s i n g :

    a

    main

    body

    having

    an o u t e r a i r o u t l e t

    and

    an i n n e r a i r

    i n l e t

    formed

    a t

    a f r o n t p a n e l t h e r e o f and

    an o u t e r a i r

    i n l e t and an

    i n n e r

    a i r o u t l e t formed a t b o t h s i d e

    p a n e l

    r e s p e c t i v e l y ,

    t h e main body

    h a v i n g a n

    o u t e r a i r

    cham

    b e r

    and

    a n i n n e r

    a i r

    chamber

    de?ned

    by d i v i d i n g

    a n

    i n n e r

    s p a c e

    t h e r e o f W i t h

    a

    b l o c k i n g

    p l a t e

    d i s p o s e d

    i n a

    l e n g t h d i r e c t i o n

    s o

    a s t o

    e n a b l e i n d o o r a i r

    and

    outdoor

    a i r t o

    How u t o f

    and How i n t o t h e room;

    a

    h e a t

    t r a n s f e r drum d i s p o s e d o v e r b o t h chambers a l o n g

    a l e n g t h

    d i r e c t i o n t h e r e o f i n

    t h e

    main

    body

    and r o t a t

    a b l e W i t h b o t h e n d s t h e r e o f b e i n g

    s u p p o r t e d

    by a

    p l u r a l i t y

    o f

    r o l l e r s ,

    t h e

    h e a t

    t r a n s f e r

    drum

    p e r f o r m i n g

    h e a t e x c h a n g e b e t W e e n t h e

    i n d o o r

    a n d o u t d o o r a i r b y

    t r a v e l i n g b o t h c h a m b e r s d u r i n g r o t a t i o n ;

    a

    d r i v i n g

    motor

    l o c a t e d

    a t one

    s i d e i n

    t h e main body

    and

    r o t a t i n g

    t h e

    h e a t t r a n s f e r drum c o n n e c t e d

    t h e r e W i t h b y

    a b e l t

    Wherein

    t h e

    h e a t t r a n s f e r drum

    c o m p r i s i n g :

    a

    drum body h a v i n g r o l l e r g u i d e

    s u r f a c e s formed

    c o n

    t i n u o u s l y a l o n g c i r c u m f e r e n c e s o f b o t h e n d s t h e r e o f

    and a

    p u l l e y

    formed a t a middle

    p o r t i o n

    t h e r e o f , t h e

    drum

    body formed t o b e a p o r o u s meshed c y l i n d e r ;

    a h e a t t r a n s f e r medium t t a c h e d

    t o an

    e n t i r e circumfer

    e n t i a l

    s u r f a c e o f t h e drum

    body

    W i t h

    a ?xed

    t h i c k n e s s

    a n d

    p e r f o r m i n g

    t h e

    h e a t e x c h a n g e

    W i t h

    t h e

    a i r .

    2 . The h e a t e x c h a n g e r

    a c c o r d i n g

    t o c l a i m 1 , W h e r e i n a

    b r u s h

    i s

    i n s t a l l e d

    betWeen

    t h e

    h e a t

    t r a n s f e r drum

    and t h e

    b l o c k i n g p l a t e

    i n s e r t e d

    i n

    t h e

    h e a t t r a n s f e r drum

    a n d

    betWeen

    W a l l s

    o f

    t h e

    main body

    a n d

    t h e h e a t

    t r a n s f e r

    drum

    s o

    a s

    t o prevent movement of

    h e a t

    betWeen both chambers.

    3 .

    The

    h e a t e x c h a n g e r

    a c c o r d i n g

    t o c l a i m 1 , W h e r e i n

    t h e

    h e a t t r a n s f e r medium i s

    formed

    t o be a s i n g l e body s u r

    rounding

    t h e

    c y l i n d r i c a l

    h e a t

    t r a n s f e r

    drum a t

    once

    o r

    a

    d i v i d a b l e b o d y

    c o m p r i s i n g

    s e v e r a l p i e c e s

    t o s u r r o u n d

    t h e

    h e a t

    t r a n s f e r d r u m .

    4 . The h e a t e x c h a n g e r

    a c c o r d i n g

    t o c l a i m 1 , W h e r e i n

    t h e

    h e a t t r a n s f e r medium s made o f o n e o f p o l y e s t e r p a r t i c l e s ,

    g l a s s

    ? b e r , n o n f e r r o u s m e t a l , a n d f o a m e d p l a s t i c .

    5 .

    The

    h e a t e x c h a n g e r

    a c c o r d i n g t o

    c l a i m 3 , W h e r e i n

    t h e

    h e a t t r a n s f e r medium s made o f

    o n e

    o f p o l y e s t e r p a r t i c l e s ,

    g l a s s

    ? b e r ,

    n o n f e r r o u s m e t a l ,

    a n d f o a m e d p l a s t i c .

    * * * * *