Hydrostatic automotive or high speed steering system

Details Hydrostatic automotive or high speed steering system Hydrostatic automotive or high speed steering system

1999-04-29

2000-06-20

Michaelsky, Gerald A.

Power plants

Pressure fluid source and motor

Expansible chamber type volumetric responsive measuring...

91 20, 91363R, 180415, F15B 903

Patent

active

060763493

ABSTRACT:
A full fluid-linked steering system, especially for use in on-highway steering, in which the system includes a fluid controller (21) including a fluid meter (65) operable to provide follow-up movement to controller valving (87,89), in response to the flow of fluid through the meter. The controller (21) includes a centering or biasing spring assembly (75) which provides sufficient torque that, upon rotation of the steering wheel (W), fluid is communicated to the steering actuator (19) without relative displacement of the valving, thus providing driver with the desired road feel. The system includes an EHC valve assembly (23) which controls flow to or from the actuator (19) in response to appropriate input signals (113,115) to maintain steered wheel to steering wheel registry.

REFERENCES:
patent: 4109679 (1978-08-01), Johnson
patent: 5101860 (1992-04-01), Stephenson
patent: 5960694 (1999-10-01), Thomas et al.

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