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, 2011
Filed:
Jun. 25, 2009
Applicants:
Fred C. Porter, The Valley, AI;
Todd Ekonen, Howell, MI (US);
Thomas C. Bowen, Rochester Hills, MI (US);
Inventors:
Fred C. Porter, The Valley, AI;
Todd Ekonen, Howell, MI (US);
Thomas C. Bowen, Rochester Hills, MI (US);
Assignee:
MAGNA Powertrain USA, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 17/35 (2006.01); F16H 48/22 (2006.01); F16D 25/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power transfer assembly for use in a motor vehicle and having a hydraulic coupling operable to transfer drive torque to a driveline in response to slip. The hydraulic coupling includes a transfer clutch, a clutch operator for engaging the transfer clutch, a fluid actuation system including a fluid pump for controlling movement of the clutch operator, and a magnetorheological pump clutch capable of selectively shifting the fluid pump between operative and inoperative states.