Coreless motor

Details Coreless motor Coreless motor

1975-07-14

1978-06-06

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310209, 310154, 310 90, H02K 122

Patent

active

040938824

ABSTRACT:
Disclosed is a coreless motor comprising a rotor having a plurality of flat-type loop coils arranged on a rotor substrate, a motor housing having a journal bearing for rotatably supporting said rotor, and a stator which includes a pair of permanent magnets disposed facing said rotor in said motor housing, characterized in that the angle .theta. of said flat-type loop coil flared toward itself from the rotor axis is so set as to satisfy the inequality: ##EQU1## WHERE N IS THE NUMBER OF POLE MEMBERS OF A COMMUTATOR AND 2P IS THE NUMBER OF MAGNETIC POLE MEMBERS OF A STATOR.

REFERENCES:
patent: 2804557 (1957-08-01), Roters
patent: 2806158 (1957-09-01), Emery
patent: 3038765 (1962-06-01), Tupper
patent: 3171356 (1965-03-01), Pensabene
patent: 3333129 (1967-07-01), Kohlhagen
patent: 3512025 (1970-05-01), Quelett
patent: 3525005 (1970-08-01), Beyers
patent: 3790835 (1974-02-01), Takeda
patent: 3936680 (1976-02-01), Kuwako
patent: 3936685 (1976-02-01), Glockner
patent: 3965380 (1976-06-01), Stepina

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