Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

2006-07-27

2009-08-18

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S261100

Reexamination Certificate

active

07576457

ABSTRACT:
An electric power steering apparatus includes; a DC brush motor, and a boss arranged between an output shaft of the motor and an input shaft driven by the motor, for transmitting a rotational force of the motor from the output shaft to the input shaft by the boss per se. A weight of the boss is equal to or larger than 10% of a weight of a rotor of the motor. An electric power steering apparatus includes; a DC brush motor and a boss arranged between the output shaft of the motor and the input shaft driven by the motor, for transmitting the rotational force of the motor from the output shaft to the input shaft by the boss per se. A moment of inertia of the boss is equal to or larger than 10% of a moment of inertia of the rotor of the motor.

REFERENCES:
patent: 6435971 (2002-08-01), Tanaka
patent: 3-176212 (1991-07-01), None
patent: 3-178870 (1991-08-01), None
patent: 3-178872 (1991-08-01), None
patent: 5-220641 (1993-08-01), None
patent: 8-47213 (1996-02-01), None
patent: 2001-8402 (2001-01-01), None
patent: 2001-8402 (2001-01-01), None
patent: 2001008402 (2001-01-01), None
patent: 2002-369443 (2002-12-01), None
patent: 2004-60785 (2004-02-01), None
patent: 2005-80399 (2005-03-01), None
English-language machine translation of the Japanese reference JP 2001008402 on Jan. 7, 2009.
Japanese Office Action and English translation dated Jan. 8, 2008.
Japanese Office Action dated Jun. 24, 2008.

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