Patents Assigned to Group Lotus Cap Companies PLC
  • Vehicle suspension arrangements
    Patent number: 4639013
    Abstract: An active vehicle suspension system has a suspension device with a variable offset gas spring and a double acting hydraulic actuator acting in parallel. Load changes experienced by the device are sensed electrically, or electrically and hydraulically, so as to effect appropriate response of the device by adjustment of the actuator pending change of the offset of the gas spring, so as to reduce energy requirements.
    Type: Grant
    Filed: February 21, 1985
    Date of Patent: January 27, 1987
    Assignee: Group Lotus Cap Companies PLC
    Inventors: David A. Williams, Peter G. Wright