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:
Feb. 01, 2022
Filed:
Oct. 15, 2020
Applicant:
Mazda Motor Corporation, Hiroshima, JP;
Inventors:
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 25/12 (2006.01); F16D 13/52 (2006.01); F16D 25/0638 (2006.01); F16F 15/123 (2006.01); F16F 15/129 (2006.01); F16D 3/12 (2006.01);
U.S. Cl.
CPC ...
F16D 25/12 (2013.01); F16D 13/52 (2013.01); F16D 25/0638 (2013.01); F16F 15/123 (2013.01); F16F 15/129 (2013.01); F16D 3/12 (2013.01); F16D 2300/06 (2013.01); F16D 2300/22 (2013.01); F16F 15/12353 (2013.01); F16F 2230/04 (2013.01); F16F 2232/02 (2013.01);
Abstract
A power transmission device is provided, which includes a vibration reducing damper provided on a power transmission path, and a clutch mechanism having a plurality of friction plates, a hydraulic pressure chamber, and a centrifugal balance chamber provided opposed to the hydraulic pressure chamber. The clutch mechanism is provided adjacent to an axial side part of the damper, and an oil drain port for hydraulic fluid supplied to the centrifugal balance chamber of the clutch mechanism is provided at a location radially inward of the damper and axially overlapping with the damper.