Dynamo-electric machine and method of manufacture therefor
First Claim
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1. A dynamo-electric machine, comprising:
- a) a shaft;
b) a core secured to said shaft having slots formed therein extending in an axial direction;
c) a winding composed of electrical wiring wound by a lap winding method and extending through said slots;
d) a commutator having a plurality of commutator segments disposed at one end of said core and secured to said shaft; and
e) a plurality of equalizing connectors individually electrically connecting commutator segments which should have the same electrical potential to each other;
f) wherein said equalizing connectors are disposed in close contact with an end surface of said commutator.
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Abstract
A dynamo-electric machine comprises a shaft, a core secured to the shaft having slots formed therein extending in the axial direction, a winding composed of a wiring wound by a lap winding method through the slots, a commutator having commutator segments disposed at one end of the core and secured to the shaft, and equalizing connectors electrically connecting commutator segments which should have the same electric potential to each other, wherein the equalizing connectors are disposed in close contact with an end surface of the commutator.
25 Citations
15 Claims
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1. A dynamo-electric machine, comprising:
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a) a shaft;
b) a core secured to said shaft having slots formed therein extending in an axial direction;
c) a winding composed of electrical wiring wound by a lap winding method and extending through said slots;
d) a commutator having a plurality of commutator segments disposed at one end of said core and secured to said shaft; and
e) a plurality of equalizing connectors individually electrically connecting commutator segments which should have the same electrical potential to each other;
f) wherein said equalizing connectors are disposed in close contact with an end surface of said commutator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of manufacturing a dynamo-electric machine comprising:
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a) a shaft;
b) a core secured to said shaft having slots formed therein extending in an axial direction;
c) a winding composed of electrical wiring wound by a lap winding method and extending through said slots;
d) a commutator having a plurality of commutator segments disposed at one end of said core and secured to said shaft; and
e) a plurality of equalizing connectors individually electrically connecting commutator segments which should have the same electrical potential to each other and disposed in close contact with an end surface of said commutator;
said equalizing connectors and said wiring being parts of the same wire,said method comprising the steps of; f) connecting commutator segments which should have the same electric potential directly to each other using said equalizing connectors, g) cutting protruding ends of said equalizing connectors; and
h) immediately thereafter forming said winding on said core. - View Dependent Claims (13)
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14. A method of manufacturing a dynamo-electric machine comprising:
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a) a shaft;
b) a core secured to said shaft having slots formed therein extending in an axial direction;
c) a winding composed of electrical wiring wound by a lap winding method and extending through said slots;
d) a commutator having a plurality of commutator segments disposed at one end of said core and secured to said shaft; and
e) a plurality of equalizing connectors individually electrically connecting commutator segments which should have the same electrical potential to each other and disposed in close contact with an end surface of said commutator;
said method comprising the steps of; f) coupling said commutator segments to each other continuously by a continuous wire, g) forming said equalizing connectors by removing unwanted wire loops formed by said continuous wire, and h) electrically connecting both ends of said equalizing connectors to said coupled commutator segments. - View Dependent Claims (15)
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Specification