Method to prevent debris build-up on reciprocating air motor pilot valves
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United States of America Patent
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Jan 10, 2017
Grant Date -
Feb 6, 2014
app pub date -
Apr 25, 2012
filing date -
Apr 27, 2011
priority date (Note) -
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Abstract
An end cap assembly for a reciprocating air motor comprises a pilot valve and an end cap body. The pilot has a valve stem. The end cap body comprises a central bore for receiving an air motor rod, a valve bore in which the pilot valve is disposed such that the valve stem extends through the end cap body, and an air port extending through the end cap body. The air port has a contour to direct air toward the valve stem.
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