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:
Nov. 21, 2023

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;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/383 (2006.01); F16K 17/04 (2006.01); F04B 49/12 (2006.01); F04B 49/22 (2006.01);
U.S. Cl.
CPC ...
F16K 31/383 (2013.01); F16K 17/0406 (2013.01); F04B 49/12 (2013.01); F04B 49/22 (2013.01);
Abstract

A capacity control valve in which control precision is high is provided. A capacity control valve V 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 pressure drive portion that receives a force in the contracting direction from the suction fluid, and a main valve formed by a valve element that receives a force in the valve opening direction from the pressure drive portion, and a valve seat with and from which the valve element is brought into contact and separated. The valve element is arranged to receive a force in the closing direction from the control fluid.


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