Sughrue Mion, PLLC
Rotary electric machine
A rotary electric machine including a brush used to supply a field current to a field winding of a rotor, a brush holder holding the brush, a power circuit portion connected to a heat sink having fins, and a case covering the power circuit portion and the brush holder. An air passage is provided between the brush holder and the fins of the heat sink, and an opening is provided to the case so as to cover component members of the brush holder in a shape conforming to an outer peripheral portion of the brush holder, from which cooling air is allowed to pass through the air passage.
Mitsubishi Electric Corporation
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inventional inventional inventional inventional
Dai Hitoshi Masahiko Naohide Tatsuya
Nakajima Isoda Fujita Maeda Fukase