发明名称 Stator structure for induction motor
摘要 A stator structure for the induction motor is disclosed, in which the winding accommodated in the slots of the stator iron core has one end portion, outside of the stator iron core, shaped to provide a flared bell-like opening, and the other end portion thereof, outside of the stator iron core, forming short-passed winding and being provided with an opening sufficiently large to permit insertion of the shaft of the rotor. Between the inner surface of the short-passed end portion and a given portion of the surface of the stator iron core a coil-supporting member is disposed. The outer surface of the coil-supporting member has a shape along the inner surface of the other coil end portion, while the inside thereof is so shaped as to provide a sufficient space or air gap with respect to the rotor to be inserted. The coil-supporting member is made of an elastic material and adapted to be forcibly fitted between the inner surface of the short-passed coil end portion and the given portion of the surface of the stator iron core from the opening of the bell-shaped coil end portion through the rotor-accommodating cavity formed in the stator core, thus closely contacting the inner surface of the short-passed end portion. Means is provided for bringing at least part of the coil-supporting member into close contact with the short-passed coil end portion and rendering them immovable with respect to each other.
申请公布号 US4217514(A) 申请公布日期 1980.08.12
申请号 US19780907301 申请日期 1978.05.18
申请人 HITACHI LTD 发明人 DOI, RYOTA;FUKAZAWA, IKOU;KUMAGAI, YUJI;SIMAZAKI, YUZURU;YAMAGUCHI, MOTOO
分类号 H02K3/50;(IPC1-7):H02K3/46 主分类号 H02K3/50
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