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. 28, 1999
Filed:
Sep. 23, 1997
Young-Whan Yoon, Namyangiu, KR;
Mando Machinery Corporation, Gunpo, KR;
Abstract
The present invention is directed to a suspension system for a vehicle. The system includes a wheel carrier rotatably supporting a wheel, a strut assembly connecting an upper end of the wheel carrier to a vehicle body, a lower control arm connecting a lower end of the wheel carrier to the vehicle body, and roll center control part for controlling a height of a roll center of the vehicle. The roll center control part includes a hydraulic source for generating hydraulic pressure, a hydraulic bushing disposed between the lower arm and the vehicle body, the hydraulic bushing having upper and lower chambers, first and second hydraulic control valves for controlling hydraulic pressure directed to or exhausted from the upper and lower chambers, respecively, whereby the hydraulic pressure is displaced upward and downward with respect to an axis of the vehicle body, and an electronic control unit for controlling the first and second hydraulic control valves in response to a driving state of the vehicle.