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:
Dec. 22, 2020
Filed:
Jan. 29, 2019
Murata Manufacturing Co., Ltd., Kyoto, JP;
Nobuhira Tanaka, Kyoto, JP;
Daisuke Kondo, Kyoto, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A valve includes a first plate, a side wall plate, a second plate, and a third plate. The first plate has a plurality of first vent holes. The second plate constitutes a valve chamber along with the first plate and the side wall plate. The second plate includes a second principal surface opposing a first principal surface of the first plate. The second plate has a plurality of second vent holes. The third plate has a plurality of third vent holes. The plurality of third vent holes overlaps with the plurality of first vent holes without overlapping with the plurality of second vent holes in a plan view in a direction in which the first plate and the second plate oppose each other. Both principal surfaces of the third plate oppose the first principal surface and the second principal surface. The third plate is disposed in the valve chamber.