Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1994-02-02
1995-09-26
Ryznic, John E.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91386, 180143, F15B 910, F15B 1316, B62D 506
Patent
active
054526426
ABSTRACT:
A power steering control valve including relatively rotatable inner and outer valve members. A power steering resistance control system resists relative rotation between the inner and outer valve members with a force which varies as a function of variations in vehicle speed and steering demand. The power steering resistance control system includes a force transmitting member which is disposed adjacent to one end of the outer valve member. A spring force is applied against the force transmitting member urging it in a first direction along the axis of rotation of the valve members. Fluid pressure is applied against the force transmitting member to urge it in the first direction. A valve is operable to vary the fluid pressure applied against the force transmitting member. A solenoid valve controls the position of the valve as a function of vehicle speed and steering demand.
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Ryznic John E.
TRW Inc.
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