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. 27, 2018
Filed:
Jan. 13, 2016
Borgwarner Inc., Auburn Hills, MI (US);
Wolfgang U. Sorg, Horgenzell, DE;
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
A fluid friction clutch () including a housing (), a clutch plate () which is situated on an end () of a shaft () mounted centrally within the housing (), a working chamber () between the housing () and the clutch plate (), a supply chamber () for clutch fluid, and a supply channel (A,B) which leads from the supply chamber () to the working chamber (). A feed pump element () which is rotatable with respect to the housing (), is situated rotationally fixed on the shaft (), and defines a shear gap () with the housing (). A valve () is situated between the feed pump element () and the supply chamber (), the valve () in the closed position effectively establishing a main working path (HA) between the feed pump element () and the working chamber (), and the valve () in an open position unblocking a discharge path (EP) between the feed pump element () and the supply chamber ().