Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1991-01-17
1993-06-22
Pellinen, A. D.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
83 761, 83575, 3611691, B26D 508, H01H 4732
Patent
active
052220125
ABSTRACT:
A power management circuit for operating a magnetic repulsion punch comprising a storage capacitor arranged to be connected in parallel with an inductive load serving as an operating coil of the magnetic repulsion punch, a means for selectively and temporarily coupling the inductive load to the storage capacitor for forming a resonant circuit, and a means for charging the storage capacitor after each operation.
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Frankeny Jerome A.
Frankeny Richard F.
Ngo Thai Q.
B. Yociss Lisa L.
Dillon Andrew J.
Elms Richard T.
International Business Machines - Corporation
Pellinen A. D.
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