EP 2456980 B1 20190626 - SUCTION CUTOFF UNLOADER VALVE FOR COMPRESSOR CAPACITY CONTROL
Title (en)
SUCTION CUTOFF UNLOADER VALVE FOR COMPRESSOR CAPACITY CONTROL
Title (de)
ABSAUGUNGSBEGRENZENDES ENTLADUNGSVENTIL ZUR KOMPRESSORENKAPAZITÄTSSTEUERUNG
Title (fr)
SOUPAPE DE DÉCOMPRESSION À COUPURE D'ASPIRATION POUR COMMANDE DE CAPACITÉ DE COMPRESSEUR
Publication
Application
Priority
- US 22682409 P 20090720
- US 2010041691 W 20100712
Abstract (en)
[origin: WO2011011221A2] A reciprocating compressor includes a first cylinder and a second cylinder, first and second suction cutoff unloader valve assemblies, and a controller. The first and second suction cutoff unloader valve assemblies are integral to the compressor and are capable of a rapid cycling to interrupt flow of refrigerant to the first and second cylinders. The controller operates at least one of the first suction cutoff unloader valve assembly or second suction cutoff unloader valve assembly in the rapid cycling and monitor a number of rapid cycles. In another aspect, a multi-stage compressor comprises a lower pressure stage and a higher pressure stage, and at least one suction cutoff unloader valve assembly capable of a rapid cycling to interrupt flow of refrigerant to a lower stage cylinder.
IPC 8 full level
F04B 27/067 (2006.01); F04B 27/04 (2006.01); F04B 27/053 (2006.01); F04B 27/24 (2006.01); F04B 35/01 (2006.01); F04B 39/08 (2006.01); F04B 39/10 (2006.01); F04B 49/03 (2006.01); F04B 49/22 (2006.01)
CPC (source: EP US)
F04B 27/0451 (2013.01 - EP US); F04B 27/053 (2013.01 - EP US); F04B 27/067 (2013.01 - EP US); F04B 27/0673 (2013.01 - EP US); F04B 27/24 (2013.01 - EP US); F04B 35/01 (2013.01 - EP US); F04B 39/08 (2013.01 - EP US); F04B 39/1073 (2013.01 - EP US); F04B 49/03 (2013.01 - EP US); F04B 49/22 (2013.01 - EP US); F04B 49/225 (2013.01 - EP US); F04B 2201/06011 (2013.01 - EP US); F25B 2400/074 (2013.01 - EP US); F25B 2600/026 (2013.01 - EP US); F25B 2600/2521 (2013.01 - EP US)
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 SE SI SK SM TR
DOCDB simple family (publication)
WO 2011011221 A2 20110127; WO 2011011221 A3 20110428; CN 102472269 A 20120523; CN 102472269 B 20151202; EP 2456980 A2 20120530; EP 2456980 A4 20160224; EP 2456980 B1 20190626; ES 2734298 T3 20191205; HK 1171063 A1 20130315; US 2012192583 A1 20120802
DOCDB simple family (application)
US 2010041691 W 20100712; CN 201080033000 A 20100712; EP 10802664 A 20100712; ES 10802664 T 20100712; HK 12111827 A 20121120; US 201013384811 A 20100712