Global Patent Index - EP 2372158 B1

EP 2372158 B1 20170726 - FREQUENCY- VARIABLE COMPRESSOR AND CONTROL METHOD THEREOF

Title (en)

FREQUENCY- VARIABLE COMPRESSOR AND CONTROL METHOD THEREOF

Title (de)

FREQUENZVARIABLER VERDICHTER UND STEUERVERFAHREN DAFÜR

Title (fr)

COMPRESSEUR À FRÉQUENCE VARIABLE ET PROCÉDÉ DE COMMANDE DE CELUI-CI

Publication

EP 2372158 B1 20170726 (EN)

Application

EP 09826234 A 20091029

Priority

  • KR 2009006299 W 20091029
  • KR 20080114279 A 20081117

Abstract (en)

[origin: EP2372158A1] The present invention discloses a frequency variable compressor, including a shell defining an airtight space, an accumulator temporarily storing refrigerant before introducing the refrigerant into the shell, a first compression mechanism unit positioned in the shell, including a rolling piston, a cylinder, a refrigerant suction hole, a refrigerant discharge hole and a vane, and compressing refrigerant, a second compression mechanism unit positioned in the shell, including a rolling piston, a cylinder, a refrigerant suction hole, a refrigerant discharge hole and a vane, and compressing refrigerant, a frequency variable motor positioned in the shell and transferring power to the rolling pistons of the first and second compression mechanism units through a rotating shaft, and a valve controlling the flow of the refrigerant such that the first and second compression mechanism units compress the refrigerant by a twin rotary compressor type or a 2-stage rotary compressor type.

IPC 8 full level

F04C 18/356 (2006.01); F04C 23/00 (2006.01); F04C 28/02 (2006.01); F04C 28/06 (2006.01); F04C 28/08 (2006.01); F04C 28/24 (2006.01)

CPC (source: EP KR US)

F04C 18/00 (2013.01 - KR); F04C 23/008 (2013.01 - EP US); F04C 28/08 (2013.01 - EP US); F04C 28/24 (2013.01 - EP US); F04C 29/00 (2013.01 - KR); F04C 18/356 (2013.01 - EP US); F04C 23/001 (2013.01 - EP US); F04C 28/02 (2013.01 - EP US); F04C 28/065 (2013.01 - EP US); F04C 2240/804 (2013.01 - EP US)

Designated contracting state (EPC)

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)

EP 2372158 A1 20111005; EP 2372158 A4 20141029; EP 2372158 B1 20170726; CN 102203425 A 20110928; ES 2643564 T3 20171123; KR 101268612 B1 20130529; KR 20100055282 A 20100526; US 2011271699 A1 20111110; WO 2010056002 A1 20100520

DOCDB simple family (application)

EP 09826234 A 20091029; CN 200980144261 A 20091029; ES 09826234 T 20091029; KR 20080114279 A 20081117; KR 2009006299 W 20091029; US 200913127016 A 20091029