Miniature, modular, plug-in rotating switch

Details Miniature, modular, plug-in rotating switch Miniature, modular, plug-in rotating switch

1992-08-14

1994-09-06

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310113, 307 87, H02K 1100, H02K 4704

Patent

active

053451252

ABSTRACT:
A switch is used to disable electrical generation by causing a short circuit in a rotating main generator field of a brushless, synchronous generator to protect against transients voltage spikes during start-up. The switch is located inside of a hollow rotor shaft of the generator. In one embodiment the switch is activated by a solenoid assembly. In a second embodiment, the switch is activated by a alternate or redundant method by oil flow through the rotor shaft.

REFERENCES:
patent: 3289595 (1966-12-01), Bach
patent: 3548133 (1970-12-01), Clauson
patent: 3622820 (1971-11-01), Tjernstrom
patent: 4476407 (1984-10-01), Hildebrandt et al.
patent: 4500759 (1985-02-01), deFasselle et al.
patent: 4551594 (1985-11-01), Katoh
patent: 4734601 (1988-03-01), Lewus
patent: 4743776 (1988-05-01), Baehler et al.
patent: 4868906 (1989-09-01), Oilschlager, Jr.
patent: 4908540 (1990-03-01), Motodate et al.
patent: 4939441 (1990-07-01), Dhyanchand

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