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:
Mar. 05, 1996
Filed:
Sep. 03, 1993
Applicant:
Inventors:
Rassem R Henry, Clinton Township, MI (US);
Michael A Applebee, Sterling Heights, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60G / ;
U.S. Cl.
CPC ...
36442405 ; 280707 ;
Abstract
An apparatus comprising a variable force suspension system including a wheel, a body portion and a variable force actuator, a sensor for detecting a relative velocity between the wheel and the body portion, a control circuit for detecting an occurrence of a present sign change in the relative velocity, for determining a time lapse between the present sign change and a previous sign change in the relative velocity, and for determining control gains responsive to the determined time lapse, and an actuator controller for controlling the variable force actuator responsive to the determined control gains.