Plunger type solenoid

Details Plunger type solenoid Plunger type solenoid

1976-08-17

1978-09-12

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

251 54, 188282, 188317, H01F 708

Patent

active

041141253

ABSTRACT:
An improved plunger type solenoid comprises a solenoid coil, a plunger to be attracted into the solenoid coil, a piston directly or indirectly connected to the plunger and a cylinder filled with oil for containing the piston. The piston is subject to the pressure of the oil, such that the speed of movement of the plunger is widely controlled.

REFERENCES:
patent: 1137123 (1927-04-01), Fernazo
patent: 1214719 (1917-02-01), Slattery
patent: 1543098 (1923-06-01), Carter et al.
patent: 1995721 (1935-03-01), Sanford
patent: 3226605 (1965-12-01), Wright et al.
patent: 3850276 (1974-11-01), Patel

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