Blower unit for automobile air conditioner
AssigneesHitachi, Ltd., Hitachi Automotive Engineering Co., Ltd.
InventorsMitsuaki Mirumachi, Hiroaki Mizoguchi
Life of this patent
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Abstract
A blower unit for an automobile air conditioner including a fan for introducing air through an air intake unit and for forcibly discharging air introduced to a casing of the automobile air conditioner through a discharge opening. A scroll casing includes a side wall, arranged around the fan, and a bottom wall closing the side wall. The side wall of the scroll casing is formed in a shape symmetrical about a center line thereof with the center line being parallel to an air streamline in the vicinity of the discharge opening. The side wall has opposed facing ends at the discharge opening. A nose member is mounted within the scroll casing close to one of the opposed facing ends of the side wall.
Claims8
A blower unit for an automobile air conditioner, the blower unit including a fan for introducing air into the blower unit through an air intake unit and for forcibly discharging air introduced to a casing of the automobile air conditioner through a discharge opening, the blower unit comprising:
- a scroll casing including a side wall, arranged around the fan, and a bottom wall closing the side wall, the bottom wall having means for defining a fan opening formed therethrough for accommodating the fan in the scroll casing;
- a nose member;
- and
- attaching means for attaching the nose member to the scroll casing;
- wherein the side wall of the scroll casing is formed in a shape symmetrical about a center line thereof, said center line being disposed in parallel to an air stream line in the vicinity of the discharge opening, said side wall having opposed facing ends at the discharge opening;
- and
- wherein the nose member is mounted within the scroll casing close to one of the opposed facing ends of the side wall by said attaching means.
Dependencies are inferred from the claim text.