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. 05, 2021
Filed:
Jan. 23, 2015
Applicant:
Exedy Corporation, Neyagawa, JP;
Inventors:
Assignee:
EXEDY CORPORATION, Neyagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 45/02 (2006.01); F16F 15/16 (2006.01); F16F 15/167 (2006.01); F16F 15/14 (2006.01);
U.S. Cl.
CPC ...
F16F 15/167 (2013.01); F16F 15/1428 (2013.01); F16H 45/02 (2013.01); F16H 2045/0205 (2013.01); F16H 2045/0242 (2013.01); F16H 2045/0263 (2013.01); F16H 2045/0294 (2013.01);
Abstract
A hydraulic power transmission device includes a front cover, a torque converter main body, a lock-up device, and a dynamic damper. The dynamic damper has a base plate, inertia rings and lid members that configure an inertial body, viscosity attenuation portions, and an elastic coupling portion. The base plate is fixed to an output plate. The inertial body can move in the rotation direction relative to the base plate. The viscosity attenuation portions can generate a variable hysteresis torque according to the relative speed difference between the base plate and the inertial body.