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:
Dec. 06, 2016
Filed:
Jan. 29, 2013
Borgwarner Inc., Auburn Hills, MI (US);
Thomas Buchholz, Stockach, DE;
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
The invention relates to a fluid friction clutch () having a housing (), having a clutch disk () which is rotatable relative to the housing (), and which is rotatably arranged on an end () of a shaft () which is mounted centrally within the housing (); having a working chamber () between the housing () and the clutch disk (); having a storage chamber () for clutch fluid; having a supply duct () which leads from the storage chamber () to the working chamber (); having a stationary clutch part () relative to which the housing () is rotatable; and having a pump element (), wherein the pump element () defines a shear gap () with an annular wall () arranged in the storage chamber (), wherein an active element () is fastened to the housing (), and wherein the shear rate in the shear gap () can be regulated by means of an electric motor () which is mounted on the shaft ().