Title:
CAPACITY CONTROL VALVE AND CONTROL METHOD OF CAPACITY CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2019/142930
Kind Code:
A1
Abstract:
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.
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Inventors:
HAYAMA MASAHIRO (JP)
OGAWA YOSHIHIRO (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
EJIMA TAKAHIRO (JP)
KURIHARA DAICHI (JP)
TAKAHASHI WATARU (JP)
OGAWA YOSHIHIRO (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
EJIMA TAKAHIRO (JP)
KURIHARA DAICHI (JP)
TAKAHASHI WATARU (JP)
Application Number:
PCT/JP2019/001569
Publication Date:
July 25, 2019
Filing Date:
January 21, 2019
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F04B27/18; F16K1/44; F16K31/06
Foreign References:
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 |
Other References:
See also references of EP 3744977A4
Attorney, Agent or Firm:
AMASAKA Yasutane et al. (JP)
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