Capacity control valve
AssigneeEagle Industry Co., Ltd.
InventorsKohei Fukudome, Masahiro Hayama, Keigo Shirafuji
Life of this patent
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Abstract
A capacity control valve includes a valve housing provided with a discharge port, a suction port, and a control port a rod driven by a solenoid; and a main valve that includes a main valve seat and a main valve body between the discharge port and the control port in accordance with a movement of the rod. The capacity control valve V further includes a CS valve that includes a CS valve seat and a CS valve body communication between the control port and the suction port. The CS valve body is disposed so as to be movable relative to the main valve body. The main valve body and the CS valve body move together in accordance with the movement of the rod while a closed state of the main valve is maintained.
Claims16
A capacity control valve comprising:
- a valve housing provided with a discharge port through which a discharge fluid at a discharge pressure passes, a suction port through which a suction fluid at a suction pressure passes, and a control port through which a control fluid at a control pressure passes;
- a rod driven by a solenoid;
- and
- a main valve that includes a main valve seat and a main valve body to open and close communication between the discharge port and the control port in accordance with a movement of the rod,
- wherein the capacity control valve further comprises a CS valve that includes a CS valve seat and a CS valve body to open and close communication between the control port and the suction port,
- the CS valve body is disposed so as to be movable relative to the main valve body, and
- the main valve body and the CS valve body move together in accordance with the movement of the rod while a closed state of the main valve is maintained.
Dependencies are inferred from the claim text.