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Forced cooling of vehicle air-conditioning blower motor with airflow regulating ribs
Forced cooling of vehicle air-conditioning blower motor with airflow regulating ribs
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机译：带气流调节肋的汽车空调鼓风机电机的强制冷却
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摘要
A vehicle air-conditioning apparatus that includes a blower unit including a scroll casing including a first wall having an intake port, a second wall opposing the first wall, and a peripheral wall, and an impeller. The apparatus further includes a motor of the impeller, a blow-out flow channel, and a motor cooling air introduction chamber. The motor cooling air introduction chamber is in communication with the blow-out flow channel via an air intake port opening in the peripheral wall of a tongue portion facing the blow-out flow channel at a position more closer to the first wall side than an inner wall surface of the second wall. At least one airflow regulating rib facing the peripheral wall provided with the air intake port is provided, and the airflow regulating rib projects from the inner wall surface of the second wall and having a top portion in the blow-out flow channel.
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