U.S. patents available from 1976 to present.
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Control arrangement

Patent 5230529 Issued on July 27, 1993. Estimated Expiration Date: Icon_subject April 22, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Active suspension system and method for controlling same Patent #: 5015009
Issued on: 05/14/1991
Inventor: Ohyama, et al.

Inventor

Assignee

Application

No. 669413 filed on 04/22/1991

US Classes:

280/5.508Lateral vehicle disposition

Examiners

Primary: Valenza, Joseph E.

Attorney, Agent or Firm

Foreign Patent References

  • 0114757 EP. 08/22/1984
  • 0190978 EP. 08/22/1986
  • 3705520 DE. 09/22/1988
  • 1374399 FR. 07/22/1963
  • 63-41222 JP. 02/22/1988
  • 1004727 GB. 09/22/1965
  • 1315164 GB. 04/22/1973
  • 2097730 GB. 11/22/1982
  • 2189751 GB. 04/22/1987
  • 2206551 GB. 01/22/1989

International Class

B60G 011/26

Foreign Application Priority Data

1988-09-22 GB

Abstract

An active roll control system for attachment to a vehicle having a wheel suspension system includes an actuator attached by a linkage to the wheel suspension system. The actuator is controlled by a programmable computer having input signals from a lateral accelerometer and a load cell from an output signal to a servovalve controlling the hydraulic fluid to the actuator. The active roll control system operates to maintain the vehicle in a substantially level state about the vehicle longitudinal axis.

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