CAPACITY CONTROL VALVE AND METHOD FOR CONTROLLING CAPACITY CONTROL VALVE

Title:

CAPACITY CONTROL VALVE AND METHOD FOR CONTROLLING CAPACITY CONTROL VALVE

Document Type and Number:

WIPO Patent Application WO/2019/117225

Kind Code:

A1

Abstract:

[Problem] To provide a capacity control valve capable of efficiently discharging a liquid-phase refrigerant irrespective of the pressure in a suction chamber, and reducing the driving force of a compressor during an operation for discharging the liquid phase refrigerant. [Solution] The present invention is provided with: a valve main body (10) having a first communication path (11), a second communication path (12), a third communication path (13), and a main valve seat (15a); a valve body (21) having an intermediate communication path (29), a main valve part (21b), and an auxiliary valve part (21c); a solenoid for driving a rod (36) having an auxiliary valve seat (23c), a first biasing member (43) for biasing in a valve closing direction of the main valve part (21b); and a second biasing member (44) for biasing in a valve closing direction of the auxiliary valve part (21c), wherein the rod (36) opens and closes the auxiliary valve part (21c) by moving relative to the valve body (21).

Inventors:

HAYAMA MASAHIRO (JP)
NISHINOSONO HIROYUKI (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
OGAWA YOSHIHIRO (JP)
KURIHARA DAICHI (JP)
TAKAHASHI WATARU (JP)

Application Number:

PCT/JP2018/045782

Publication Date:

June 20, 2019

Filing Date:

December 13, 2018

Export Citation:

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Assignee:

EAGLE IND CO LTD (JP)

International Classes:

F04B27/18; F16K11/24; F16K31/06; F16K31/126

Domestic Patent References:

WO2014119594A1	2014-08-07
WO2009025298A1	2009-02-26

Foreign References:

JP2015178795A	2015-10-08
JP5167121B2	2013-03-21

Other References: