Anti-windmilling motor

Details Anti-windmilling motor Anti-windmilling motor

1991-03-22

1992-05-26

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 77, H02K 710

Patent

active

051171430

ABSTRACT:
An electric motor having a design rotational direction when electrically energized and an anti-rotation mechanism to prevent reverse rotation due to external loads when the motor is de-energized which reverse direction could otherwise continue when the motor is energized. The mechanism includes elements that are displaced from contact with one another when upon energization the rotor assumes a magnetic center relative to the stator and that interengage to prevent reverse rotation upon motor de-energization and displacement of the rotor from the magnetic center position.

REFERENCES:
patent: 3501656 (1970-03-01), Morley
patent: 3809932 (1974-05-01), Erwin
patent: 3821567 (1974-06-01), Erwin
patent: 3826934 (1974-07-01), Leach
patent: 3860841 (1975-01-01), Jullien-Davin
patent: 4716325 (1987-12-01), Roos
patent: 5070266 (1991-12-01), Janczak et al.

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