Plural commutator type motors with common parallel driving circu

Details Plural commutator type motors with common parallel driving circu Plural commutator type motors with common parallel driving circu

1994-12-08

1996-05-28

Cabeca, John W.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

318 84, H02P 736

Patent

active

055214703

ABSTRACT:
At least two motors share a common driving circuit. The armatures of the motor are connected in parallel between the terminals of the power supply. Limiting resistors and choke diodes are included to prevent imbalances caused by different loads on the respective armatures and to maintain similar operating characteristics in the motors. The parallel motors can include either a series field winding, or shunt or permanent magnet excitation.

REFERENCES:
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patent: 3876920 (1975-04-01), Meissen et al.
patent: 3965409 (1976-06-01), Klautschek
patent: 4004209 (1977-01-01), Lawson, Jr.
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patent: 4264846 (1981-04-01), Sauer et al.
patent: 4355267 (1982-10-01), Franz, Jr. et al.
patent: 4450388 (1984-05-01), Markham
patent: 4529919 (1985-07-01), Melocik et al.
patent: 4634942 (1987-01-01), Naruto
patent: 4875001 (1989-10-01), Bergk

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