EP 3341610 A1 20180704 - RECIPROCATING COMPRESSOR VENTED PISTON
Title (en)
RECIPROCATING COMPRESSOR VENTED PISTON
Title (de)
ENTLÜFTETER KOLBEN FÜR HUBKOLBENVERDICHTER
Title (fr)
PISTON ÉVACUÉ DE COMPRESSEUR À VA-ET-VIENT
Publication
Application
Priority
- US 201562210108 P 20150826
- US 2016047782 W 20160819
Abstract (en)
[origin: WO2017034983A1] 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.
IPC 8 full level
F04B 39/00 (2006.01)
CPC (source: EP US)
F04B 1/124 (2013.01 - US); F04B 39/0005 (2013.01 - EP US); F04B 39/0055 (2013.01 - EP US); F04B 53/06 (2013.01 - US)
Citation (examination)
JP S5810176 A 19830120 - MITSUBISHI ELECTRIC CORP
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2017034983 A1 20170302; CN 107923378 A 20180417; EP 3341610 A1 20180704; US 2018238312 A1 20180823
DOCDB simple family (application)
US 2016047782 W 20160819; CN 201680049509 A 20160819; EP 16757491 A 20160819; US 201615752058 A 20160819