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Title:
CAPACITY CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2019/159999
Kind Code:
A1
Abstract:
Provided is a capacity control valve having good responsiveness at startup and having good operation efficiency. The capacity control valve V comprises: valve housings 10, 16; a main valve body 51 having a main valve section 51a and opening and closing communication between a Pd port 12 and a Pc port 14 by using the drive force of a solenoid 80, said main valve section 51a being in contact with and separating from a main valve seat 10a; a pressure sensitive valve 53 that opens and closes using ambient pressure; and an intermediate communication path 55 capable of connecting the Pc port 14 and a Ps port 13, by the opening and closing of the pressure sensitive valve 53. The Pc port 14, a Ps port 15, and the Pd port 12 are provided in the valve housings 10, 16, together with a differential pressure valve 90 that is capable of opening and closing between the Pc port 14 and the Ps port 15 by using a differential pressure valve body 91 that moves by the operating force of an operating member 93 that operates using discharge pressure Pd from the Pd port 12.

Inventors:
HAYAMA MASAHIRO (JP)
OGAWA YOSHIHIRO (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
EJIMA TAKAHIRO (JP)
KURIHARA DAICHI (JP)
TAKAHASHI WATARU (JP)
Application Number:
PCT/JP2019/005200
Publication Date:
August 22, 2019
Filing Date:
February 14, 2019
Export Citation:
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Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F04B27/18; F16K17/30; F16K31/06
Domestic Patent References:
WO2014119594A12014-08-07
Foreign References:
JP2001073939A2001-03-21
JP2006052648A2006-02-23
JP4700048B22011-06-15
Other References:
See also references of EP 3754191A4
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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