Steer-by-wire steering system for motorized vehicles

Patent 6219604 Issued on April 17, 2001. Estimated Expiration Date:

December 28, 2019. 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.

Abstract Claims Description Full Text

Patent References

Vehicle steering control system
Patent #: 5247441
Issued on: 09/21/1993
Inventor: Serizawa, et al.

Vehicle steering control system
Patent #: 5347458
Issued on: 09/13/1994
Inventor: Serizawa, et al.

Steer by wire system with feedback Patent #: 6097286
Issued on: 08/01/2000
Inventor: Discenzo

Inventors

Assignee

Robert Bosch GmbH

Application

No. 473375 filed on 12/28/1999

US Classes:

701/41, Steering control180/422, With electrical control180/443, With electric power assist180/446, Condition modulated701/42Feedback, transfer function or proportional and derivative (P& D) control

Examiners

Primary: Cuchlinski, William A. Jr.
Assistant: Marc-Coleman, Marthe Y.

Attorney, Agent or Firm

Baker & Daniels

Foreign Patent References

195 40 956 C1 DE 11/23/1995

International Class

B62D 011/00

Foreign Application Priority Data

1998-12-29 DE

Abstract

A steer-by-wire steering system comprised of an electronically regulated steering positioner mounted to the steering gear of the front axle or to both front wheels of a vehicle together with an electronic steering regulator and a feedback actuator. A sensor senses the driver's selected direction from the steering wheel. Road feedback can be relayed to the driver through a feedback actuator via the steering wheel. The loss of road feel caused by the absence of the steering column, which normally strongly influences the driver's directional wish, is recreated by the feedback actuator.