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:
Jun. 07, 2011
Filed:
Feb. 16, 2007
Cheng Mu, Toronto, CA;
Jaroslaw Lutoslawski, Scarborough, CA;
Richard D. Muizelaar, Mississauga, CA;
Fuzheng HU, Toronto, CA;
Cheng Mu, Toronto, CA;
Jaroslaw Lutoslawski, Scarborough, CA;
Richard D. Muizelaar, Mississauga, CA;
Fuzheng Hu, Toronto, CA;
MAGNA Powertrain, Inc., Concord, ON, CA;
Abstract
A damper assembly has a torque input member configured to be connected to engine crankshaft through a torque limit clutch. An output member has a hub configured to be mounted to a transmission input shaft. Damping springs operatively interconnects the input member and output member, enabling the input member and output member to rotate relative to each other at some angular displacements before the input torque from engine crankshaft is completely transmitted to transmission input shaft. The damping springs includes a series of long springs and a series of relatively short spring. The long springs compress before the short compress as the input member rotates relative to the output member.