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:
Jul. 11, 2023

Filed:

Nov. 29, 2021
Applicant:

Jtekt Corporation, Kariya, JP;

Inventors:

Kazushi Numazaki, Toyota, JP;

Tetsuya Kaneko, Okazaki, JP;

Akira Nakano, Okazaki, JP;

Kazuhiro Takabayashi, Okazaki, JP;

Kazuo Haneda, Toyota, JP;

Yuya Kihara, Nishio, JP;

Assignee:

JTEKT CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/02 (2006.01); F16K 15/06 (2006.01); F16K 17/08 (2006.01); F16K 17/04 (2006.01); F16K 27/12 (2006.01);
U.S. Cl.
CPC ...
F16K 15/025 (2013.01); F16K 15/063 (2013.01); F16K 17/0466 (2013.01); F16K 17/08 (2013.01); F16K 27/12 (2013.01);
Abstract

A pressure reducing valve includes: a body, a valve seat, and a valve element opening and closing the valve seat according to a difference between a pressure on the inlet side and a pressure on the outlet side. A pressure chamber, which is a space part between the valve element and the valve seat, is provided on the inlet side of the valve element. The valve element includes a plurality of horizontal holes each opening to the pressure chamber, and a vertical hole bringing the horizontal holes and the outlet side of the valve element into communication with each other. The horizontal holes and the vertical hole are provided in such a manner that a value of a ratio of a flow channel area of the vertical hole to a total area that is a total of flow channel areas of the horizontal holes exceeds 1.16.


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