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Bosch versus CNH

Common arts ! "ncommon #erms

Power beyond

Parallel ports

Closed centre

Variable pumping

Open centre

Continuous pumping

Bosch e!roth regard Power Beyond as another "al"e in the normal circuit

C#$ regard it as an e!tension to the closed centre common gallery

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ressure compensator spring % channel

ressure

compensator 

measuring sur'ace

(cting valve

(cting valve spring

)

 *

+

,

-

(

B2$%

nlet plate 0(2 with i''erential pressure switchover 'or constant 'low pump

#(C3 V(%V4 NN4"#)(% 0N5

4)VC4 B4N,

54)(#4-

)estrictor 

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Pump pressure %pp&

pp ' p( ) 1*.+ bar 

,ntermediate pressure %p-&

p- ' pp  .+ bar 

(oad pressure %p(&

p( ' p-  5 bar 

7eample9

(cting valve(cting valve spring %5 bar&

% channel %p(&ressure compensator spring %5 bar&

ressure

compensator 

measuring

sur'ace

B2$%

nlet plate 0(2 with i''erential pressure switchover 'or constant 'low pump

)

+

,

(

#(C3 V(%V4B4,NNN, #5

54)(#4

)estrictor  *

-

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(cting valve(cting valve spring %5 bar&

ressure compensator spring %5 bar&

ressure

compensator 

measuring

sur'ace

B2$%

nlet plate 0(2 with i''erential pressure switchover 'or constant 'low pump

)

+

,

(

7eample9

#(C3 V(%V454)(#N,

)estrictor 

(oad pressure %p(&

p( ' p-  5 bar 

Pump pressure %pp&

pp ' p( ) 1*.+ bar 

,ntermediate pressure %p-&

p- ' pp  .+ bar % channel %p(&

 *

-

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B2$%

H

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B2$%

4n plate 04$ with shuttle valve 'or eternal %signal

R,G

 Y,D

 YW

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B2$%

4n plate 044H 'or electroh