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. 21, 2019
Applicant:

Murata Manufacturing Co., Ltd., Kyoto, JP;

Inventors:

Nobuhira Tanaka, Kyoto, JP;

Kenjiro Okaguchi, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 43/00 (2006.01); A61M 1/00 (2006.01); F04D 9/00 (2006.01); F04B 43/04 (2006.01); F04B 45/047 (2006.01); F04F 5/22 (2006.01); F04F 5/46 (2006.01); F04F 1/02 (2006.01); F04F 5/52 (2006.01); F04F 5/54 (2006.01);
U.S. Cl.
CPC ...
F04B 43/046 (2013.01); A61M 1/74 (2021.05); F04B 43/0081 (2013.01); F04B 45/047 (2013.01); A61M 1/82 (2021.05); F04D 9/006 (2013.01); F04F 1/02 (2013.01); F04F 5/52 (2013.01);
Abstract

A pressure-controlling device () includes a pump (), a connection pipe (), a first valve (), and a second valve (). The pump () has an inlet port () and an outlet port (). The connection pipe () has a first end in communication with the outlet port (), and a second end in communication with the inlet port () and that has a first space () that contains the first end, a second space () that contains the second end, and a third space () that is located between the first space () and the second space ().


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