Electric motor with bobbin columns to prevent bulging coils

Details Electric motor with bobbin columns to prevent bulging coils Electric motor with bobbin columns to prevent bulging coils

1993-02-17

1994-09-27

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, H02K 1100

Patent

active

053509609

ABSTRACT:
An electric motor in which an inner ring magnetic pole portion (10) consisting of magnetic pole pieces (7) is fitted into an outer ring yoke portion (5) to form stator core (6); an insulating resin is shaped and fixed, the insulating resin includes coil guards (16) which protrude on one end face of the inner ring magnetic pole portion (10); grooves for inserting insulating wedges (31) are formed on the side wall of the coil guards (16); a rotor (17) is inserted into the inner ring magnetic pole portion (10); an insulating cover (19) which consists of pins (25) and bobbin columns (20) including outer poles (24) and inner poles (23) is put on the rotor (17); coils (26) are wound in the space formed between the inner poles (23) and the center of the inner ring magnetic pole portion (10).

REFERENCES:
patent: 3780323 (1973-12-01), Swain
patent: 5097168 (1992-03-01), Takekoshi et al.
patent: 5134327 (1992-07-01), Sumi et al.
patent: 5187858 (1993-02-01), Murakoshi et al.

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