Alternating current solenoids

Details Alternating current solenoids Alternating current solenoids

1975-04-21

1978-05-09

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335249, 335262, H01H 8530

Patent

active

040889750

ABSTRACT:
A linear acting solenoid directed to energy conservation. The disclosure combines plural elements usable singly or in combination to enable in aggregate a low cost assembly, yielding values of pull-force per watt of input exceeding ten ounces. Size, cost, and temperature rise are reduced, and shading rings are avoided. Novel elements include a composite phase-splitting core, and a unitary magnetic shell forming an efficient divided-path magnetic circuit, the flux therethrough being confluent through armature and core. In valve or other fluid-barrier uses, a thin ferrous armature housing enables pull values exceeding three ounces per watt of input.

REFERENCES:
patent: 1650799 (1927-11-01), Lee
patent: 2357959 (1944-09-01), Kouyoumjian
patent: 2405396 (1946-08-01), Bazley
patent: 3082359 (1963-03-01), Mangiafico et al.

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