US 11,754,194 B2
Capacity control valve
Masahiro Hayama, Tokyo (JP); Kohei Fukudome, Tokyo (JP); Toshinori Kanzaki, Tokyo (JP); Wataru Takahashi, Tokyo (JP); and Keigo Shirafuji, Tokyo (JP)
Assigned to EAGLE INDUSTRY CO., LTD.
Appl. No. 17/599,520
Filed by EAGLE INDUSTRY CO., LTD., Tokyo (JP)
PCT Filed Apr. 2, 2020, PCT No. PCT/JP2020/015179
§ 371(c)(1), (2) Date Sep. 28, 2021,
PCT Pub. No. WO2020/204134, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-071633 (JP), filed on Apr. 3, 2019.
Prior Publication US 2022/0154838 A1, May 19, 2022
Int. Cl. F16K 17/06 (2006.01); F16K 17/04 (2006.01); F04B 27/18 (2006.01)
CPC F16K 17/06 (2013.01) [F16K 17/048 (2013.01); F04B 2027/1831 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A capacity control valve comprising:
a valve housing provided with a suction fluid supply chamber to which a suction fluid of suction pressure is supplied, and a control fluid supply chamber to which a control fluid of control pressure is supplied;
a CS valve formed by a CS valve element driven in an axial direction by a solenoid, and a CS valve seat provided in a communication passage between the control fluid supply chamber and the suction fluid supply chamber, the CS valve being connectable to and separable from the CS valve seat; and
a pressure drive portion arranged in the control fluid supply chamber in a sealed manner and biasing the CS valve element in an opposite direction to a driving direction of the solenoid, wherein
the control fluid is introduced on a first side of the pressure drive portion, and the suction fluid is introduced on a second side of the pressure drive portion, the first side and the second side being opposed to each other through the pressure drive portion in the axial direction;
the capacity control valve further comprises a retaining member that retains the pressure drive portion, and
the retaining member is provided with a supply port communicating with an inside of the pressure drive portion, the supply port being directed in the axial direction.