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. 27, 2025

Filed:

Jun. 01, 2023
Applicant:

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

Inventors:

Yutoku Kawabata, Kyoto, JP;

Nobuhira Tanaka, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 43/04 (2006.01); F04B 45/04 (2006.01); F04B 45/047 (2006.01); H10N 30/20 (2023.01);
U.S. Cl.
CPC ...
F04B 43/046 (2013.01); F04B 45/04 (2013.01); F04B 45/047 (2013.01); F04B 2203/0404 (2013.01); F04B 2203/0406 (2013.01); H10N 30/2047 (2023.02);
Abstract

A first main plate has a first principal surface and a second principal surface. A second main plate has a third principal surface, a fourth principal surface, and an aperture. A piezoelectric element is provided on the first main plate and vibrates the first main plate. A first frame is disposed outside an outer peripheral end of the first main plate. First connecting portions connect the first main plate and the first frame to each other. Apertures are formed between the first connecting portions and connect a space adjacent to the first principal surface and a space adjacent to the second principal surface to each other. The second frame is disposed outside an outer peripheral end of the first frame. A second connecting portion connects the first frame and the second frame to each other.


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