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Title:
CAPACITY CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2020/204134
Kind Code:
A1
Abstract:
Provided is a capacity control valve having high responsiveness to sudden fluctuations in output. The present invention is equipped with: a valve housing 10 having formed therein a suction fluid supply chamber 16 to which a suction fluid having a suction pressure Ps is supplied and a control fluid supply chamber 17 to which a control fluid having a control pressure Pc is supplied; a CS valve 50 configured from a CS valve body 51, which is driven in the axial direction by a solenoid 80, and a CS valve seat 10a, which is provided in a communication path 14 between the control fluid supply chamber 17 and the suction fluid supply chamber 16, and which the CS valve body 51 is able to make contact with and separate from; and a pressure drive unit 61, which is arranged in a sealed manner inside the control fluid supply chamber 17 and biases the CS valve body 51 in the direction opposite the direction in which the CS valve body is driven by the solenoid 80. The control fluid is introduced into one side of the pressure drive unit 61 and the suction fluid is introduced into the other side thereof.

Inventors:
HAYAMA MASAHIRO (JP)
FUKUDOME KOHEI (JP)
KANZAKI TOSHINORI (JP)
TAKAHASHI WATARU (JP)
SHIRAFUJI KEIGO (JP)
Application Number:
JP2020/015179
Publication Date:
October 08, 2020
Filing Date:
April 02, 2020
Export Citation:
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Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F04B27/18; F04B49/12; F16K31/06
Domestic Patent References:
WO2017057160A12017-04-06
Foreign References:
JP2018003884A2018-01-11
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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