Solenoid having a linear response

Details Solenoid having a linear response Solenoid having a linear response

1978-07-07

1979-04-17

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335279, H01F 713

Patent

active

041503511

ABSTRACT:
A solenoid for uses such as in a valve for fluid flow control. The solenoid has an armature movable within a core in response to current in a field coil. The armature is shaped as a cone with a hemispherical end so as to give a power output that is a substantially linear function of said current. In a valve, valve control means connects a valve member to the armature for moving the valve member to and from a valve seat to control fluid flow therethrough.

REFERENCES:
patent: 1236177 (1917-08-01), Jacobs
patent: 1460517 (1923-07-01), Stevens
patent: 3805203 (1974-04-01), Deckard

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