OIL-LESS COMPRESSOR WITH SEAL-DUST PROTECTION
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United States of America Patent
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Issued Date -
Aug 27, 2009
app pub date -
Mar 18, 2005
filing date -
Mar 17, 2005
priority date (Note) -
Abandoned
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Abstract
An oil-less compressor, having polymeric seals and a crank mechanism which is vulnerable to dust arising from such seals, is provided with a dust-exclusion barrier that protects the crank mechanism from being exposed to such dust. The first stage of the compressor preferably draws its intake from the crankcase, providing a pressure differential and gas flow that sweeps seal dust away from the crank mechanism.
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