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1. (WO2017034983) RECIPROCATING COMPRESSOR VENTED PISTON

Pub. No.:    WO/2017/034983    International Application No.:    PCT/US2016/047782
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 20 01:59:59 CEST 2016
IPC: F04B 39/00
Applicants: CARRIER CORPORATION
Inventors: FLANIGAN, Paul J.
Title: RECIPROCATING COMPRESSOR VENTED PISTON
Abstract:
A compressor (20) comprises: a case (22); and at least one piston (40) mounted for reciprocating movement, each in a respective cylinder (42) of the case. The at least one piston having a peripheral surface (50) and an upper surface (52), the upper surface having an outer portion (54) and a projection (80) extending from the upper surface. The at least one piston has a channel (220) positioned to pass flow from an area above the outer portion.