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:
Nov. 17, 2020
Filed:
Sep. 19, 2018
Applicant:
Borgwarner Ludwigsburg Gmbh, Ludwigsburg, DE;
Inventors:
Thomas Buchholz, Stockach, DE;
Wolfgang U. Sorg, Horgenzell, DE;
Assignee:
BorgWarner Ludwigsburg GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 48/02 (2006.01); F16D 31/06 (2006.01); F16D 35/02 (2006.01);
U.S. Cl.
CPC ...
F16D 25/14 (2013.01); F16D 31/06 (2013.01); F16D 35/024 (2013.01); F16D 2300/14 (2013.01);
Abstract
This disclosure relates to a fluid friction clutch having a housing, a clutch disc which is arranged at one end of a shaft which is mounted within the housing, a working chamber which is configured between the housing and the clutch disc, a storage chamber for clutch fluid, and at least one feed duct which leads from the storage chamber to the working chamber. Moreover, a pressure relief device for discharging clutch fluid from the feed duct into the storage chamber is provided.