CPC F16K 17/06 (2013.01) [F16K 17/048 (2013.01); F04B 2027/1831 (2013.01)] | 8 Claims |
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.
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