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:
Feb. 02, 2021

Filed:

Nov. 04, 2016
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Shinichiro Koshimoto, Kariya, JP;

Kaoru Oda, Kariya, JP;

Yasuhiro Sawada, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/22 (2006.01); F16K 17/06 (2006.01); F16K 15/02 (2006.01); F16K 17/04 (2006.01);
U.S. Cl.
CPC ...
F04B 49/22 (2013.01); F16K 15/025 (2013.01); F16K 15/026 (2013.01); F16K 17/04 (2013.01); F16K 17/06 (2013.01); Y10T 137/7929 (2015.04);
Abstract

A relief valve, capable of reducing pressure of fuel in a discharge passage and including a valve housing having a communication hole and a valve member provided in a reciprocating manner against the valve housing, where the valve member regulates a flow of the fuel between a discharge passage and a fuel chamber when the valve member is brought into contact with an inner wall formed around the communication hole. T the valve member also allows the flow of the fuel between the discharge passage and the fuel chamber when the valve member is separated from the inner wall. The relief valve further including a spring that biases the valve member such that the valve member and the inner wall are in contact with each other an adjusting pipe and a stopper.


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