CAPACITY CONTROL VALVE AND CONTROL METHOD OF CAPACITY CONTROL VALVE

WIPO Patent Application WO/2019/142930

A1

The purpose of the present invention is to provide a capacity control valve which can efficiently discharge a liquid refrigerant regardless of the pressure in the intake chamber, and which can decrease drive power of a compressor during liquid refrigerant discharge operations. This capacity control valve (1) is provided with: a valve main body (10) which comprises a first communication passage (11), a second communication passage (12), a third communication passage (13) and a main valve seat (15a); a valve body (20) which comprises an intermediate communication passage (29), a main valve section (21c) and an auxiliary valve section (23d); and a solenoid (30) which comprises a plunger (35) that drives a first rod (136) and a second rod (36), wherein the first rod (136) opens and closes the main valve section (21c) and the second rod (36) opens and closes the auxiliary valve section.

JPH09256958	STARTING LOAD REDUCING DEVICE FOR COMPRESSOR
WO/2019/097841	CAPACITY CONTROL VALVE FOR CLUTCH-EQUIPPED SWASH-PLATE-TYPE VARIABLE CAPACITY COMPRESSOR

HAYAMA MASAHIRO (JP)
OGAWA YOSHIHIRO (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
EJIMA TAKAHIRO (JP)
KURIHARA DAICHI (JP)
TAKAHASHI WATARU (JP)

PCT/JP2019/001569

July 25, 2019

January 21, 2019

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EAGLE IND CO LTD (JP)

F04B27/18; F16K1/44; F16K31/06

JP2014080927A	2014-05-08
JP2014095463A	2014-05-22
JP2012211579A	2012-11-01
JP2016196825A	2016-11-24
JP2005307817A	2005-11-04
JP2014092207A	2014-05-19
JP2017089832A	2017-05-25
JP5167121B2	2013-03-21

See also references of EP 3744977A4

AMASAKA Yasutane et al. (JP)

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