Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1980-10-14
1982-04-06
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
361156, H01H 4732
Patent
active
043239447
ABSTRACT:
A control circuit for an electromagnet includes a high voltage converter with a main energy storage element on which is stored a voltage higher than the supply voltage. A switch element connects this main storage element to the electromagnet and to an inductor by way of which energy is transferred to a secondary energy storage element which is used at the end of the electromagnet energization period to cause rapid collapse of the electromagnet flux.
REFERENCES:
patent: 3467894 (1969-09-01), Blume
patent: 4223367 (1980-09-01), Zappala
Lucas Industries Limited
Moose Jr. Harry E.
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