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:
Oct. 04, 2011
Filed:
Dec. 19, 2008
Toshihiko Yamanaka, Kariya, JP;
Ryuichi Kurosawa, Okazaki, JP;
Toshihiko Yamanaka, Kariya, JP;
Ryuichi Kurosawa, Okazaki, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-Shi, Aichi-Ken, JP;
Abstract
A damping characteristics control apparatus is provided for a vehicle suspension having a shock absorber mounted between a sprung member and an unsprung member for each wheel. Damping force of the shock absorber is controlled on the basis of damping coefficient obtained by(absorber)=(Gain*|'|)*[()/|wherein C(absorber); damping coefficient, z′; sprung velocity, y′; unsprung velocity, |y−z|; relative displacement, T; interval time of sprung member moving relative to unsprung member, L; displacement of sprung member stopped against unsprung member, Gain; control gain, p; parameter for determining effective range for control about neutral position of absorber.