Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1985-11-14
1986-08-26
Gellner, Michael L.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
361170, H01H 4722
Patent
active
046086200
ABSTRACT:
A magnetic sensing device for controlling power required for maintaining an armature in a closed position on a stator, characterized by a soft-iron shunt extending between and spaced from the armature and stator for conducting a magnetic field therebetween and a magnetic field sensor between the stator and the shunt for monitoring the magnetic field and for controlling power to a coil of the stator.
REFERENCES:
patent: 3330994 (1967-07-01), Kussy
patent: 3671814 (1972-06-01), Dick
patent: 3974425 (1976-08-01), Ueda et al.
Gellner Michael L.
Johns L. P.
Westinghouse Electric Corp.
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