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. 05, 2020

Filed:

Jun. 23, 2015
Applicant:

Yamada Manufacturing Co., Ltd., Kiryu-shi, JP;

Inventors:

Junichi Miyajima, Kiryu, JP;

Takatoshi Watanabe, Kiryu, JP;

Yuya Kato, Kiryu, JP;

Assignee:

YAMADA MANUFACTURING CO., LTD., Kiryu-Shi, Gunma, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01M 1/16 (2006.01); F01M 1/02 (2006.01); F04C 14/26 (2006.01); F04C 2/10 (2006.01);
U.S. Cl.
CPC ...
F01M 1/16 (2013.01); F01M 1/02 (2013.01); F04C 2/102 (2013.01); F04C 14/26 (2013.01); F01M 2001/0238 (2013.01); F04C 2240/81 (2013.01); F04C 2270/18 (2013.01); F04C 2270/19 (2013.01); F04C 2270/86 (2013.01);
Abstract

[Problem] To provide a relief device for an oil circuit of an engine provided with an oil pressure relief valve and a temperature-sensitive relief valve, with which it is possible for oil to be relieved (expelled) at the intended pressure regardless of the oil temperature, and with which it is possible to simplify the configuration. [Solution] The relief device comprises an oil pump (), an upstream channel () provided from a discharge side of the oil pump () to an engine (E), an oil pressure relief valve (A) for relieving oil due to the valve body being moved by oil pressure, and a temperature-sensitive relief valve (B) for relieving oil by sensing the oil temperature and continuously opening and closing. The oil pressure relief valve (A) and the temperature-sensitive relief valve (B) are arranged in parallel in the upstream channel ().


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