Lip structure for a stator in a dynamo-electric machine

Details Lip structure for a stator in a dynamo-electric machine Lip structure for a stator in a dynamo-electric machine

Filed on

1987-02-27

Date issued

1988-10-25

Examiner

Skudy, R.

Patent Class

Electrical generator or motor structure

SubClass

Dynamoelectric

SubSubClass

Rotary

Other Related Categories

310 42, 310214, 310254, H02K 100

Type

Patent

Status

active

Patent number

047806362

Description

ABSTRACT:
Laminations used in a lamination stack to form a stator of a dynamo-electric machine, have a number of circumferentially spaced slot openings extending radially outward from an inner circumference of a bore opening in each of the plates. The mouths of the slot openings are wide enough to receive a stator winding when inserted between teeth which bound the slot openings. Each tooth has a main body part and a pair of lip parts at a distal end, with each lip part projecting circumferentially into the mouth of a respective slot opening adjacent the tooth. An edge of each lip part projects from the main body part to retain the stator winding, the edge defining a slope angle with respect to a line perpendicular to the center line of the slot opening into which the lip part projects. The slope angle is functionally related to the width of the main body part of the teeth.

REFERENCES:
patent: 2610225 (1952-09-01), Korski
patent: 2700115 (1955-01-01), Mowery, Jr.
patent: 2701317 (1955-02-01), Herman
patent: 2819514 (1958-01-01), Polard
patent: 3229134 (1966-01-01), Rakula
patent: 3253171 (1966-05-01), Strock
patent: 3469136 (1969-09-01), Jenkinson
patent: 3735169 (1973-05-01), Balke
patent: 3821846 (1974-07-01), Pleiss, Jr. et al.
patent: 3827141 (1974-08-01), Hallerback
patent: 3842493 (1974-10-01), Ohuchi et al.
patent: 4090290 (1978-05-01), Clark
patent: 4486506 (1984-12-01), Kenjo et al.

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