Power steering apparatus

Details Power steering apparatus Power steering apparatus

1996-03-12

1998-04-07

Nguyen, Tan Q.

Boots, shoes, and leggings

364424052, 180442, 180443, 318432, 318434, B62D 509, H02P 104

Patent

active

057372233

ABSTRACT:
In a power steering apparatus is disclosed, in which a current control outputs a voltage to be applied to an electric motor so as to set a current flowing in an electric motor to a predetermined current value by feedback of a motor current detected by a motor current detection circuit, while a motor application voltage indicator indicates a voltage to be applied to the electric motor. And a motor application voltage selector selects the lower of the voltage outputted by the current control and the voltage indicated by the motor application voltage indicator as the voltage to be applied to the electric motor and supplies the selected voltage to a motor drive circuit for driving the electric motor. Hence the apparatus needs no motor drive element of large capacity, thereby enabling to minify and reduce production cost.

REFERENCES:
patent: 4392540 (1983-07-01), Michio et al.
patent: 5372214 (1994-12-01), Haga et al.
patent: 5467281 (1995-11-01), Iwashita et al.
patent: 5558177 (1996-09-01), Inaguma et al.

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