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.
Patent No.:
Date of Patent:
Jan. 09, 2024
Filed:
Jul. 01, 2021
Murata Manufacturing Co., Ltd., Kyoto, JP;
Nobuhira Tanaka, Kyoto, JP;
Masaaki Fujisaki, Kyoto, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A piezoelectric pump includes a first top board, a second top board, a diaphragm, a first side wall, a second side wall, a first valve, and a second valve. The first valve has an annular shape to surround the first aperture while being spaced apart from the first aperture and the second aperture, and is disposed in the first pump chamber between the first aperture and the second aperture when viewed in a plan. The second valve has an annular shape to surround the third aperture while being spaced apart from the third aperture and the fourth aperture, and is disposed in the second pump chamber between the third aperture and the fourth aperture when viewed in a plan.