Electric motor-driven power steering apparatus

Details Electric motor-driven power steering apparatus Electric motor-driven power steering apparatus

2005-06-07

2005-06-07

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

C318S563000, C318S280000, C318S281000, C318S282000, C318S286000, C318S289000

Reexamination Certificate

active

06903524

ABSTRACT:
In an electric motor-driven power steering apparatus which comprises a bridge circuit for connecting a power source between input terminals and also connecting an electric motor between output terminals and energizes the electric motor by this bridge circuit and operates electric motor power to a steering system, the bridge circuit includes a predetermined number of arms constructed by connecting circuits for connecting switching elements in parallel with diodes in series so that the diodes mutually become reverse polarity.

REFERENCES:
patent: 4319170 (1982-03-01), Brent
patent: 4649326 (1987-03-01), Mansmann et al.
patent: 4710686 (1987-12-01), Guzik
patent: 5174854 (1992-12-01), Sano et al.
patent: 5455496 (1995-10-01), Williams et al.
patent: 5574344 (1996-11-01), Matsuoka et al.
patent: 7-96387 (1995-10-01), None
patent: 2506269 (1996-04-01), None
patent: 2001-106098 (2001-04-01), None

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