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:
Jun. 28, 1988
Filed:
Feb. 10, 1986
David A Williams, Cranfield, GB;
Peter G Wright, Norwich, GB;
Group Lotus PLC, Norwich, GB;
Abstract
A suspension system for a vehicle road wheel comprises a wheel suspension device (1) having a double-acting hydraulic actuator and a gas spring in parallel, the gas spring being controllable to provide a selectively variable offset, a sensor (6,90) arranged to sense load changes experienced by the suspension device and to provide an output dependent thereon, and control assembly (95) responsive to the sensor output to effect adjustment of the hydraulic actuator pending change of the offset of the gas spring to accommodate the load changes. Also disclosed is a damping system for damping movement of a piston (64) within a cylinder, the damping system comprising a valve (80) operable to connect spaces (70,74) within the cylinder at opposite sides of the piston to fluid pressure and/or return lines (84,85) so as to apply selected positive or negative damping to the movement of the piston. The damping system can be incorporated in the suspension system so that the piston (64) of the hydraulic actuator is damped, under control of signals from the control assembly (95) applied to the servo-valve (80 ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile