Electric motor

Details Electric motor Electric motor

1991-05-10

1993-04-13

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68R, 174 163, 361388, 361398, H02K 518, H02K 1100, H02K 100, H02K 720

Patent

active

052025969

ABSTRACT:
The electric motor is provided with an attached frequency converter for rotational speed control. The frequency converter consists of a power supply and other electronic elements. While these electronic elements are arranged as a constructive unit with the electric motor, the power supply is arranged as an individual constructive unit separated from the motor, in the form of a module. The module can be made separately from the motor and electrically connected to the motor constructive unit through a connective cable. The use of the motor is no longer dependent on cooling radiators, required for the cooling of the power supply, as only the module is now fitted with cooling radiators.

REFERENCES:
patent: 3665269 (1972-05-01), Wright et al.
patent: 3884293 (1975-05-01), Pessolano et al.
patent: 4420652 (1983-12-01), Ikeno
patent: 4668898 (1987-05-01), Harms et al.
patent: 4712030 (1987-12-01), Lakin et al.
patent: 4718163 (1988-01-01), Berland et al.
patent: 4908757 (1990-03-01), Jensen et al.
patent: 4992687 (1991-02-01), Nel
patent: 5006744 (1991-04-01), Archer et al.
patent: 5095404 (1992-03-01), Chao

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