Solenoid apparatus

Details Solenoid apparatus Solenoid apparatus

1988-09-19

1990-03-13

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335281, H01F 708

Patent

active

049085930

ABSTRACT:
A solenoid apparatus includes a core of magnetic material and a plunger of magnetic material movably mounted at one end of the core. A bobbin is disposed about the core and the plunger and an electric coil is wound thereon. A U-shaped yoke extends over one end of the core and is secured thereto. Opposite ends of the wire forming the coil are connected to first and second terminals, one of which is connected to the positive lead wire and the other of which is connected to the yoke, whereby the yoke acts as the ground connection.

REFERENCES:
patent: 4476450 (1984-10-01), Brown
patent: 4540962 (1985-09-01), Gresley et al.
patent: 4683454 (1987-07-01), Vollmer et al.
patent: 4728916 (1988-03-01), Fontecchio et al.

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