Revolving armature for rotary electric machinery

Details Revolving armature for rotary electric machinery Revolving armature for rotary electric machinery

1996-01-29

1997-04-08

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

29331, 29733, 29735, 310180, 310201, 310234, H02K 1304, H02K 1308

Patent

active

056190883

ABSTRACT:
A plurality of insulator-coated coils wound in slots of a magnetic core in multiple layers have end portions including at least contact portions without insulator coatings and connected to risers of a commutator, and adjacent portions next to the contact portions but out of the risers. A stepped portion is formed in at least one of the adjacent portion of an upper coil and the adjacent portion of a lower coil of the insulator-coated coils wound in multiple layers at a location where the upper coil and the lower coil face each other in crossing relation. A sufficient gap distance between the upper and lower coils is ensured at the location where the coils cross each other, and the productivity of revolving armatures is improved.

REFERENCES:
patent: 3237036 (1966-02-01), Konig
patent: 4705977 (1987-11-01), Shibata et al.
patent: 4833769 (1989-05-01), Tomite et al.
patent: 5097167 (1992-03-01), Kanayama et al.
patent: 5422526 (1995-06-01), Kawabata et al.

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