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:
Apr. 05, 2022
Filed:
May. 17, 2019
Applicant:
Eagle Industry Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 55/04 (2006.01); F02M 59/44 (2006.01); F02M 59/36 (2006.01);
U.S. Cl.
CPC ...
F02M 55/04 (2013.01); F02M 59/36 (2013.01); F02M 59/44 (2013.01); F02M 2200/315 (2013.01);
Abstract
A damper device includes at least a diaphragm, an opposite member that faces the diaphragm and is connected to the diaphragm in a hermetically sealed state over a circumferential direction, and a deformation-suppressing member that is disposed in a hermetically sealed space defined by the diaphragm and the opposite member. The deformation-suppressing member includes a central portion that includes a concave surface of which a depth is increased toward a center in a radial direction thereof, and protruding portions that are provided closer to an outer peripheral side than the central portion.