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:
May. 28, 2024

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;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); F04B 27/18 (2006.01);
U.S. Cl.
CPC ...
F04B 27/1804 (2013.01); F16K 31/0624 (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); F04B 2027/1877 (2013.01);
Abstract

A capacity control valve includes a valve housing provided with a discharge port, suction ports, a control port allowing a control fluid of a control pressure Pc to pass therethrough and a primary valve including a primary valve seat and a primary valve body driven by a solenoid and opening and closing a communication between the discharge port and the control port by the movement of the primary valve body. The capacity control valve further includes a CS valve which includes a CS valve body, a first spring urging the CS valve body in a closing direction, and a second spring urging the CS valve body in an opening direction, the control port and the suction port being opened at a valve closed position of the primary valve body, the control port and the suction port being closed at a valve opened position of the primary valve body.


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