BELL-MOUTH AND OUTDOOR UNIT FOR AIR CONDITIONER

摘要

PROBLEM TO BE SOLVED: To simplify a mold structure of a bell-mouth placed opposite to an impeller of an air blower, and also to simplify a mold structure for integrally resin-molding a vent surface of a casing and the bell-mouth in an outdoor unit for an air conditioner.;SOLUTION: The bell-mouth 23 is placed opposite to an impeller 21 and comprises a bell-like portion 23a which extends to the impeller 21 side and has an inner surface with a decreasing inside diameter, a curved side 23b which is integrally formed on the impeller 21 side, extends to the impeller 21 side from a peripheral end on the impeller 21 side of the bell-like portion 23a, and which has an inner periphery with an increasing inside diameter, and a plurality of skeleton portions 23c which is integrally molded with the bell-like portion 23a and extend to the impeller 21 side. The plurality of skeleton portions 23c are radial sections circumferentially arranged at uniform intervals around the rotational axis of the impeller 21, and are positioned at a position corresponding to the fixed portion 34b.;COPYRIGHT: (C)2003,JPO