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:
Apr. 15, 2008
Filed:
Dec. 15, 2005
Young Heub Kim, Seoul, KR;
Dong Hoon Park, Seongnam, KR;
Young Heub Kim, Seoul, KR;
Dong Hoon Park, Seongnam, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable damper includes a first plate connected to a first rotating shaft and a second plate connected to a second rotating shaft. A damper spring transmits power between the first and second plates, and a variable friction apparatus regulates a frictional force between the first and second plates. The variable friction apparatus includes a solenoid coil, a solenoid pawl, a pressure plate with a slanted surface, a friction plate between the pressure plate and the second plate, a wedge contacting the pressure plate and movable along the slanted surface in response to the state of the solenoid pawl, and a wedge spring supporting the wedge.