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An electric power steering apparatus in which a housing (3) is formed with a housing opening (38) through which bus bars (20) pass for electrically connecting the motor (1) and the control circuit unit (2) with each other. A casing is formed with a heat sink opening (46) through which the bus bars (

An electric power steering apparatus in which a housing (3) is formed with a housing opening (38) through which bus bars (20) pass for electrically connecting the motor (1) and the control circuit unit (2) with each other. A casing is formed with a heat sink opening (46) through which the bus bars (20) pass, so that the motor (1) and the control circuit unit (2) are integrated with each other with the housing opening (38) and the heat sink opening (46) disposed to correspond to each other.

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An electric power steering apparatus in which a housing (3) is formed with a housing opening (38) through which bus bars (20) pass for electrically connecting the motor (1) and the control circuit unit (2) with each other. A casing is formed with a heat sink opening (46) through which the bus bars (

An electric power steering apparatus in which a housing (3) is formed with a housing opening (38) through which bus bars (20) pass for electrically connecting the motor (1) and the control circuit unit (2) with each other. A casing is formed with a heat sink opening (46) through which the bus bars (20) pass, so that the motor (1) and the control circuit unit (2) are integrated with each other with the housing opening (38) and the heat sink opening (46) disposed to correspond to each other. mber forming a flux concentrator; a Hall-effect sensor adapted to measure magnetic flux conducted by said magnetic flux conduction member; and a printed circuit board having an electrical circuit adapted to supply current for said motor fixed thereon, wherein the magnetic flux conduction member is fixed to the printed circuit board in the vicinity of the Hall-effect sensor, and wherein the magnetic flux conduction member is releasably interposed between said magnetic ring and the Hall-effect sensor when said connector is fixed on the motor. 14. The geared motor as recited in claim 13 wherein said automobile accessory is a window. 15. The geared motor as recited in claim 3 wherein said automobile accessory is a seat. 16. The geared motor as recited in claim 3 wherein said automobile accessory is a sunroof.