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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.

Inventors:
HAYAMA Masahiro (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
OGAWA Yoshihiro (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
SHIRAFUJI Keigo (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
FUKUDOME Kohei (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
EJIMA Takahiro (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
KURIHARA Daichi (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
TAKAHASHI Wataru (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
Application Number:
JP2019/001569
Publication Date:
July 25, 2019
Filing Date:
January 21, 2019
Export Citation:
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Assignee:
EAGLE INDUSTRY CO., LTD. (1-12-15, Shiba-Daimon Minato-k, Tokyo 87, 〒1058587, JP)
International Classes:
F04B27/18; F16K1/44; F16K31/06
Foreign References:
JP2014080927A2014-05-08
JP2014095463A2014-05-22
JP2012211579A2012-11-01
JP2016196825A2016-11-24
JP2005307817A2005-11-04
JP2014092207A2014-05-19
JP2017089832A2017-05-25
Attorney, Agent or Firm:
AMASAKA Yasutane et al. (Amasaka Patent Office Level1 Yusen Bldg, 2-3-2 Marunouchi, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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