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. 05, 1994
Filed:
Aug. 13, 1992
Applicant:
Inventors:
George Kadlicko, Mississauga, CA;
Will Halina, Toronto, CA;
Assignee:
Microhydraulics Inc., Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
9136 / ; 91367 ; 188299 ; 280707 ; 280714 ;
Abstract
An actuator for use in an active suspension system is controlled by a valve responsive to differential pressure across the piston of the actuator. The valve operates to allow movement of the piston so as to reduce the pressure differential. The valve is also controlled by signals indicative of position of and load applied to the actuator.