Motorized power steering control device

Details Motorized power steering control device Motorized power steering control device

1996-01-02

2000-03-14

Dickson, Paul N.

Motor vehicles

Steering gear

With electric power assist

701 41, B62D 504

Patent

active

060359609

ABSTRACT:
A motorized power steering control device capable of reducing arrangement of an external wiring and simplifying a travel condition detecting unit, to thereby reduce a manufacturing cost of the device. A controller has an alternator pulsation detecting circuit and a power circuit arranged therein. The power circuit selectively controls a main voltage or a backup voltage to apply it to a control circuit. The control circuit operates an engine speed depending on a pulsation frequency of an alternator, to thereby actuate the power circuit to apply the main voltage to the control circuit when the engine speed is at a predetermined level or above and apply the backup voltage thereto when it is at the predetermined level or below.

REFERENCES:
patent: 4751978 (1988-06-01), Drutchas
patent: 4756375 (1988-07-01), Ishikura et al.
patent: 4875539 (1989-10-01), Abukawa et al.
patent: 4972320 (1990-11-01), Sugiura et al.
patent: 5078225 (1992-01-01), Ohmura et al.
patent: 5097420 (1992-03-01), Morishita
patent: 5101922 (1992-04-01), Ohmura

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