Oil-less/oil-free air brake compressor with a dual piston arrangement
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United States of America Patent
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Sep 5, 2000
Grant Date -
N/A
app pub date -
Aug 25, 1999
filing date -
Aug 25, 1999
priority date (Note) -
Expired
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Abstract
A cylinder is divided into two chambers by a wall to receive a pair of pistons. This reduces the stroke length and correspondingly reduces the linear speed of the piston. This leads to a reduced PV factor associated with degradation and wear of the piston rings. Moreover, the multi-cylinder arrangement provides the same performance in an oil-free compressor assembly without appreciably expanding dimensional constraints relative to known systems.
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