Electricity: motive power systems – Impact – mechanical shock – or vibration-producing motors
Patent
1976-06-01
1978-01-17
Duggan, Donovan F.
Electricity: motive power systems
Impact, mechanical shock, or vibration-producing motors
318116, 318118, 310316, 310 26, H02K 3300
Patent
active
040694445
ABSTRACT:
An ultrasonic power generator for operation at a one and a half kilowatt power output from a 220 volt, 50 hertz AC line comprising a transducer coil impedance associated with a resonant capacitor, said generator being generally designed for a one kilowatt power output from a 110 volt, 60 hertz AC line. The generator circuit includes at least one thyristor for switching the resonant capacitor terminals and an oscillating circuit having a time basis including said capacitor designed for circulating a high frequency current at the desired ultrasonic operating frequency sufficient to generate one and a half ohmic kilowatts. A small high Q inductance is added to the inductive reactance of said transducer coil for adjustment to the capacitance values of the oscillating circuit.
REFERENCES:
patent: 3129366 (1964-04-01), Fry
patent: 3129367 (1964-04-01), Der
patent: 3152295 (1964-10-01), Schebler
patent: 3271644 (1966-09-01), McShane
Duggan Donovan F.
Lorin C. M.
Westinghouse Electric Corporation
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