Electricity: motive power systems – Battery-fed motor systems
Reexamination Certificate
2008-03-18
2008-03-18
Donovan, Lincoln (Department: 2837)
Electricity: motive power systems
Battery-fed motor systems
C318S376000, C318S778000
Reexamination Certificate
active
10560597
ABSTRACT:
[Problem] In a conventional rotating electrical machine to perform starting and power generation, an inverter and a rotating electrical machine body are constructed to be separate bodies, and a three-phase harness is provided between the rotating electrical machine and the inverter, and by a voltage drop or loss in this portion, there have been limitations in the improvement of starting and power generation output, and efficiency at the time of same operating current (determined by thermal limitation of the inverter).[Means for Resolution] Since an inverter unit22is integrally attached to a rear bracket44and is integrally mounted on the end face of a rotating electrical machine20in an axial direction, harnesses to be connected can be made short, and reduction in weight of the harness and improvement in resistance to outer disturbance noise can be realized. Besides, as a rotor40, since a claw-pole type rotor is constructed in which permanent magnets40cand40dare added, inverter base current is reduced, so that the size of the inverter unit22can be miniaturized, and it can be integrally mounted to the starting and power generation electrical machine.
REFERENCES:
patent: 6713888 (2004-03-01), Kajiura
patent: 2003/0234578 (2003-12-01), Takahashi et al.
patent: 5-292703 (1993-11-01), None
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patent: 11-122875 (1999-04-01), None
patent: 2001-251819 (2001-09-01), None
patent: 2002-136099 (2002-05-01), None
Asao Yoshihito
Kuribayashi Masaru
Donovan Lincoln
Glass Erick
Mitsubishi Denki & Kabushiki Kaisha
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