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. 02, 2017

Filed:

Mar. 06, 2015
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Tomohiro Itoh, Tokai, JP;

Shigeru Hasegawa, Nagoya, JP;

Kosei Takagi, Nagoya, JP;

Ryoyu Kishi, Obu, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
F02M 25/089 (2013.01); F02M 25/0809 (2013.01); F02M 25/0818 (2013.01); F02M 25/0872 (2013.01);
Abstract

A housing receiving a switching valve, a pressure sensor, and a pump includes a tubular portion having an inner wall provided with a support portion into which an attachment portion is inserted. The pump includes a pump portion and a motor portion which are connected to the attachment portion. The support portion receives an elastic member abutting on the attachment portion. The elastic member prevents a vibration generated due to an operation of the pump from being transmitted to the tubular portion. Since the pump is supported by a cover through a pressure detection pipe including a pressure detection passage and is supported by the tubular portion through the elastic member and the support portion, the pump prevents from vibrating by its weight. Therefore, a noise radiated out of the housing due to the vibration transmitted from the pump to the housing can be reduced.


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