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. 30, 2003
Filed:
Jan. 11, 2002
Georg Kwoka, Much, DE;
GKN Viscodrive GmbH, Lohmar, DE;
Abstract
A viscous coupling comprising two parts which form an annular chamber which is filled with a highly viscous fluid and in which first coupling plates are connected to the first one of the parts for rotation therewith and second coupling plates are connectable to the second one of the parts which are arranged so as to alternate in the longitudinal direction. The second coupling plates are arranged so as to alternate with clamping rings in the second one of the parts , which clamping rings , in turn, are connected to the second one of the parts for rotation therewith. A first axial adjusting device acts in an axial direction on the second coupling plates and on the clamping rings and locks the same relative to one another and to the second one of the parts . A brake assembly for the setting ring comprises a second viscous coupling having a second annular chamber which is filled with a highly viscous fluid and in which third coupling plates are connected to the setting ring for rotation therewith. Fourth coupling plates are connectable to the other one of the two parts and are arranged so as to alternate in the longitudinal direction. The fourth coupling plates are arranged so as to alternate with second clamping rings on one of the parts, which clamping rings , in turn, are connected for rotation with one of the parts; and have a second axial adjusting device for the setting ring of the brake assembly.