H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 7/06 (2006.01) H01F 7/18 (2006.01) H01H 71/24 (2006.01)
Patent
CA 2569339
An electromagnetic actuator is capable of providing a high speed driving force, for example, for driving the contacts of a circuit breaker or similar power distribution equipment. The electromagnetic actuator may use a directly powered moving coil element in combination with one or more energized stationary coils to generate an output force using reduced requirements for current, voltage and current/voltage rate-of-change. Precise control of actuator motion is obtained by permitting different supply voltages, firing times and capacitor supplies. The electromagnetic actuator may further incorporate a return spring arrangement and a magnetic latch arrangement.
Fargo James F.
Klippel Todd W.
Lettow Christopher R.
Opfer John C.
Pfister Andrew D.
Osler Hoskin & Harcourt Llp
S&c Electric Company
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