EP 2954210 A1 20151216 - IMPROVEMENT IN A PISTON FOR A REFRIGERATION COMPRESSOR
Title (en)
IMPROVEMENT IN A PISTON FOR A REFRIGERATION COMPRESSOR
Title (de)
VERBESSERUNG IN EINEM KOLBEN FÜR EINEN KÄLTEVERDICHTER
Title (fr)
PERFECTIONNEMENT APPORTÉ À UN PISTON POUR UN COMPRESSEUR DE RÉFRIGÉRATION
Publication
Application
Priority
- BR 102013003280 A 20130208
- BR 2014000042 W 20140206
Abstract (en)
[origin: WO2014121364A1] The piston (P) comprises a tubular skirt (10), and a head (H) affixed in the interior of the skirt (10), close to an end edge (11) of the latter and carrying a suction valve (20). The head (H) comprises a central hub (30) having an end front face (30a) and incorporating radial wings (31) whose end edges (31a) are affixed to the skirt (10). The central hub (30) defines, with the skirt (10) and the radial wings (31), respective suction axial passages (32). The head (H) further comprises a cover (40) having a contour concentric to the inner contour of the skirt (10) and having a front face (40a) and a rear face (40b) which is affixed to the central hub (30) by the end front face (30a) of the latter, the contour of the cover (40) maintaining, with the inner contour of the skirt (10), a radial gap which defines a suction annular opening (42) to be closed by the suction valve (20).
IPC 8 full level
F04B 39/00 (2006.01); F04B 39/10 (2006.01); F16J 1/00 (2006.01)
CPC (source: EP US)
F04B 39/0005 (2013.01 - EP US); F04B 39/0016 (2013.01 - EP US); F04B 39/0022 (2013.01 - US); F04B 39/108 (2013.01 - EP US); F16J 1/005 (2013.01 - EP US)
Citation (search report)
See references of WO 2014121364A1
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 2014121364 A1 20140814; AU 2014214485 A1 20150820; BR 102013003280 A2 20141202; CN 105026757 A 20151104; EP 2954210 A1 20151216; JP 2016507027 A 20160307; MX 2015010276 A 20151201; US 2015377227 A1 20151231
DOCDB simple family (application)
BR 2014000042 W 20140206; AU 2014214485 A 20140206; BR 102013003280 A 20130208; CN 201480013476 A 20140206; EP 14707932 A 20140206; JP 2015556349 A 20140206; MX 2015010276 A 20140206; US 201414766180 A 20140206