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:
Dec. 31, 2024

Filed:

Apr. 02, 2020
Applicant:

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

Inventors:

Masahiro Hayama, Tokyo, JP;

Kohei Fukudome, Tokyo, JP;

Toshinori Kanzaki, Tokyo, JP;

Wataru Takahashi, Tokyo, JP;

Keigo Shirafuji, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 27/18 (2006.01); F04B 49/22 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F04B 27/1804 (2013.01); F04B 49/22 (2013.01); F16K 31/0655 (2013.01); F04B 2027/1813 (2013.01); F04B 2027/1831 (2013.01); F04B 2027/1854 (2013.01); F04B 2027/1859 (2013.01);
Abstract

A capacity control valve includes a valve housing provided with a suction port through which a suction fluid of suction pressure Ps passes, and a control port through which a control fluid of control pressure Pc passes, a valve element configured to be driven by a solenoid, a spring that biases the valve element in a direction opposite to a driving direction of the solenoid, and a CS valve formed by a CS valve seat and the valve element, the CS valve being configured for opening and closing a communication between the control port and the suction port in accordance with a movement of the valve element. The capacity control valve further includes communication controller that controls a communication between the control port and a space on a back surface side of the valve element.


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