Stator and method for producing the stator

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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C310S179000, C310S216006, C310S254100, C310S214000

Reexamination Certificate

active

06838800

ABSTRACT:
The stator includes core back iron cores disposed on outer circumferential sides between a plurality of teeth iron cores disposed at regular intervals of a predetermined distance in a predetermined circumferential direction. A stator winding is disposed on inner circumferential sides between the plurality of teeth iron cores. The stator winding is constituted by a plurality of wire bundles each of which is a bundle of a predetermined number of electric wires and which are connected in parallel with one another. The wire bundles are set so that the number of electric wires constituting a wire bundle located on the inner circumferential side between adjacent teeth iron cores is smaller than the number of electric wires constituting a wire bundle located on the outer circumferential side. Hence, the ratio (L/A) of the circumferential length L of each wire bundle to the sectional area A thereof is set at a value in a predetermined allowable range.

REFERENCES:
patent: 2607816 (1952-08-01), Ryder
patent: 3827141 (1974-08-01), Hallerback
patent: 3956651 (1976-05-01), Brammerlo
patent: 4495430 (1985-01-01), Herr et al.
patent: 2000-156943 (2000-06-01), None

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