Latching magnetic relay assembly with a linear motor

Details Latching magnetic relay assembly with a linear motor Latching magnetic relay assembly with a linear motor

1999-04-07

2000-04-04

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335128, 335132, H01H 5122

Patent

active

06046660&

ABSTRACT:
The present invention is a latching magnetic relay capable of transferring currents of greater than 100 amps for use in regulating the transfer of electricity or in other applications requiring the switching of currents of greater than 100 amps. A relay motor assembly has an elongated coil bobbin with an axially extending cavity therein. An excitation coil is wound around the bobbin. A generally U shaped ferromagnetic frame has a core section disposed in and extending through the axially extending cavity in the elongated coil bobbin. Two contact sections extend generally perpendicularly to the core section and rises above the motor assembly. An actuator assembly is magnetically coupled to the relay motor assembly. The actuator assembly is comprised of an actuator frame operatively coupled to a first and a second generally U-shaped ferromagnetic pole pieces, and a permanent magnet. A contact bridge made of a sheet of conductive material copper is operatively coupled to the actuator assembly.

REFERENCES:
patent: 4092620 (1978-05-01), Schuessler et al.
patent: 4101855 (1978-07-01), Drapeau
patent: 4795994 (1989-01-01), Hoffmann
patent: 5546061 (1996-08-01), Okabayashi et al.
patent: 5880655 (1999-03-01), Dittmann et al.

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