Electric motor, especially collectorless d.c. motor, with an out

Details Electric motor, especially collectorless d.c. motor, with an out Electric motor, especially collectorless d.c. motor, with an out

1986-04-30

1987-10-27

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68B, H02K 700

Patent

active

047032090

ABSTRACT:
The stators of collectorless d.c. motors are securely connected with the bearing support member, and/or with the fastening flange. The printed circuit board with the electronic components for the commutation is arranged for space reasons in collectorless d.c. motors between the fastening flange and the stator. This type of construction makes impossible an exchange of, for example, defective components. According to this invention, a removable stator is proposed which is retained and secured by means of only a spring element.

REFERENCES:
patent: 3596122 (1971-07-01), Stewart
patent: 3919572 (1975-11-01), Desy
patent: 4110647 (1978-08-01), Eslinger
patent: 4259603 (1981-03-01), Uchiyama
patent: 4540906 (1985-09-01), Blom
patent: 4629919 (1986-12-01), Merkle
patent: 4647803 (1987-03-01), von der Heide et al.

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