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. 27, 2021
Filed:
Jul. 09, 2019
Applicant:
Honda Motor Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
HONDA MOTOR CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/36 (2006.01); F16F 9/18 (2006.01); F16F 9/32 (2006.01); F16F 9/06 (2006.01);
U.S. Cl.
CPC ...
F16F 9/18 (2013.01); F16F 9/064 (2013.01); F16F 9/3235 (2013.01); F16F 9/366 (2013.01); F16F 2222/12 (2013.01); F16F 2224/02 (2013.01); F16F 2224/04 (2013.01); F16F 2232/08 (2013.01); F16F 2234/02 (2013.01);
Abstract
A vibration damping device of an inverted structure includes a cylinder, a rod capable of protruding and retracting in the cylinder, an outer cylinder coupled to the rod and inserted over the outer periphery of the cylinder, and a bush slidably inserted between the outer cylinder and the cylinder. A gap between the outer cylinder and the cylinder is filled with lubricating oil. The bush contains polytetrafluoroethylene and perfluoro alkoxy alkane. The lubricating oil contains an organic molybdenum additive.