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:
Apr. 14, 2026

Filed:

Dec. 02, 2021
Applicant:

Sony Group Corporation, Tokyo, JP;

Inventors:

Takuma Matsushita, Tokyo, JP;

Hiroshi Suzuki, Tokyo, JP;

Hiroto Kawaguchi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/04 (2006.01); F04B 17/00 (2006.01); F04B 45/047 (2006.01);
U.S. Cl.
CPC ...
F04B 43/046 (2013.01); F04B 43/04 (2013.01); F04B 45/047 (2013.01); F04B 17/003 (2013.01);
Abstract

[Object] To provide a technology or the like capable of improving driving efficiency of a diaphragm pump. [Solving Means] A diaphragm pump () according to the present technology includes a first diaphragm (), a second diaphragm (), and an adjustment portion (). The first diaphragm () includes a first member including a first elastic portion (), and a first drive unit that elastically deforms the first elastic portion () by drive of the first drive unit. The second diaphragm () includes a second member that includes a second elastic portion () and forms a space () with the first member, a fluid flowing in the space, and a second drive unit that elastically deforms the second elastic portion (). The adjustment portion () is provided to at least one of the first diaphragm () or the second diaphragm () and is for adjusting a resonant frequency of the at least one of the first diaphragm () or the second diaphragm ().


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