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Patent Searching and Data


Title:
CAPACITY CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2021/241478
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a capacity control valve which has good operating efficiency, while having a fluid discharge function at startup. A capacity control valve (V1) is provided with a valve housing (10), a main valve (50) consisting of a valve body (51) driven by a solenoid (80), and a main valve seat (10a) which is provided between a discharge port (12) and a control port (14) and with which the valve body (51) can come into contact, and a pressure-sensitive valve member (52) which constitutes a pressure-sensitive valve (53) in conjunction with a pressure-sensitive body (60) disposed in a pressure-sensitive chamber (40), wherein the opening and closing of the pressure-sensitive valve (53) allows the control port (14) and a suction intake port (13) to communicate with one another by way of an intermediate communicating passage (55), and wherein: a through hole (52d) communicating with the intermediate communicating passage (55) is formed in the pressure-sensitive valve member (52); and an opening and closing member (90) of which movement relative to the valve housing (10) is restricted by restricting means (91, 92), which slides relative to the pressure-sensitive valve member (52), and which opens and closes the through hole (52d) is provided.

Inventors:
KURIHARA DAICHI (JP)
FUKUDOME KOHEI (JP)
SHIRAFUJI KEIGO (JP)
Application Number:
PCT/JP2021/019529
Publication Date:
December 02, 2021
Filing Date:
May 24, 2021
Export Citation:
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Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F04B27/18; F16K31/06
Domestic Patent References:
WO2018043186A12018-03-08
WO2019167912A12019-09-06
Foreign References:
EP1835177A22007-09-19
US20200191139A12020-06-18
JP5167121B22013-03-21
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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