The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 17, 2023

Filed:

Jul. 09, 2019
Applicant:

Eagle Industry Co., Ltd., Tokyo, JP;

Inventors:

Masahiro Hayama, Tokyo, JP;

Kohei Fukudome, Tokyo, JP;

Takahiro Ejima, Tokyo, JP;

Daichi Kurihara, Tokyo, JP;

Wataru Takahashi, Tokyo, JP;

Keigo Shirafuji, Tokyo, JP;

Yoshihiro Ogawa, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 27/18 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F04B 27/1804 (2013.01); F16K 31/0606 (2013.01); F04B 2027/185 (2013.01); F04B 2027/1813 (2013.01); F04B 2027/1827 (2013.01); F04B 2027/1831 (2013.01); F04B 2027/1845 (2013.01); F04B 2027/1859 (2013.01);
Abstract

A capacity control valve includes a valve housing provided with a discharge port, suction ports, and a control port and a primary valve including a primary valve seat and a primary valve body driven by a solenoid, the primary valve being configured to open and close a communication between the discharge port and the control port in accordance with a movement of the primary valve body. The capacity control valve further includes a differential CS valve which is openable and closable by a pressure difference between the control pressure Pc and the suction pressure Ps and an electromagnetic CS valve that is openable and closable so as to close the control port and the suction port in a non-energized state of the solenoidin accordance with the movement of the primary valve body.


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