Power steering apparatus having compensation for delay of oil pr

Details Power steering apparatus having compensation for delay of oil pr Power steering apparatus having compensation for delay of oil pr

1997-02-12

1999-08-10

Salata, Jonathan

Electricity: motive power systems

Induction motor systems

Primary circuit control

180422, H02P 736

Patent

active

059363797

ABSTRACT:
A power steering apparatus has a flow amount detecting sensor for detecting an actuating oil flow amount on the exit side of an actuator operated by an actuating oil pressure generated by a hydraulic pump, and a control circuit for controlling the rotation of the motor for driving the hydraulic pump. The power steering apparatus has a flow amount variation detecting sensor for detecting a variation amount of an actuating oil flow amount on the exit side of the actuator and a control circuit for controlling the motor rotation on the basis of the variation amount. This is to compensate for the decrease in the flow of oil to the actuator caused by an expansion of a hose between the pump and the actuator.

REFERENCES:
patent: 3991846 (1976-11-01), Chichester
patent: 4392540 (1983-07-01), Michio et al.
patent: 4602695 (1986-07-01), Takeshima et al.
patent: 4828066 (1989-05-01), Hayashi
patent: 5307892 (1994-05-01), Phillips
patent: 5367235 (1994-11-01), Fukudome
patent: 5761627 (1998-06-01), Seidel et al.

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