Coffee Bean Sorter

Orange A October 4, 2007

Market n US Coffee Market - $7 billion by 2011 n  Increasing demand for ethically-grown

coffee n  120 coffee farmers n Expansion to 300 additional farmers by

2008

Customer Needs Sort Green Coffee

Specialty Grade Flat

Bean

Specialty Grade

Peaberry

Inferior Grade

Size, Weight, Shape

Our Prototype Goals: n  80% Inferior Grade Removal n  150 lbs/hr

Testing

Test Results

n 2 lb/30sec è 240 lbs/hr n 90% peanuts stayed in first screen n 100% coffee passed 1st screen n ~50% coffee passed 2nd screen

¨ (screen size too big)

References

n  http://www.mountainview.gov/ n  http://www.oaklandpw.com n  http://www.inetours.com/New_York n  http://web.mit.edu/2.009/www/assignments/

IdeaFairPresentations/