Wire-connection structure of motor

Details Wire-connection structure of motor Wire-connection structure of motor

2006-08-29

2009-06-09

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000

Reexamination Certificate

active

07545063

ABSTRACT:
In a wire-connection structure of a motor, bus rings each formed by a bent wire material into a substantially annular shape and arranged along a stator includes: a plurality of large diameter portions and a plurality of small diameter portions extending alternately in a circumferential direction; and a plurality of link portions extending in a radial direction and connecting the adjacent large diameter portion and small diameter portion to each other. Windings of the coils are wire-connected to the link portions. Therefore, it is unnecessary to form the link portions of the bus rings into a U-shape or double-wire overlapping shape, thereby facilitating processing. Moreover, the width of the wire-connection portion in the circumferential direction does not exceed the thickness of a single wire material, thereby facilitating connection work by a crimping tool in a narrow space. Thus, the structure of a crimping portion for fixing by crimping the winding of the coil to the bus ring is simplified, and a space for inserting the crimping tool is secured to improve workability.

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Japanese Office Action dated Jan. 7, 2009 (mailing date), issued in corresponding Japanese Patent Application No. 2005-254569.

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