Solenoid switch modified for higher current passage

Details Solenoid switch modified for higher current passage Solenoid switch modified for higher current passage

1998-12-01

1999-06-29

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335126, 335131, 335251, 335255, H01F 700

Patent

active

059173947

ABSTRACT:
A solenoid switch 10 modified for higher current passage provides a case 20 containing an electromagnetic coil 30 within which slides a cylindrical post 50. A first stage 60 and a second stage 80, stacked on an open end of the case, each include electrically conductive disks which alternate between electrically conductive states, wherein electrical current is transported between opposed electrical conductors 40, and a nonconductive state wherein an open circuit exists between the conductors 40. An air inlet 82 and associated air outlet 83 allow the use of compressed air to cool the conductive disks. An optional third stage 100 provides a further conductive disk which further reduces electrical resistance and heat production.

REFERENCES:
patent: 2521969 (1950-09-01), Dugan
patent: 3154655 (1964-10-01), Hawkins
patent: 3699486 (1972-10-01), De Lucia
patent: 3716811 (1973-02-01), Prouty et al.
patent: 4041426 (1977-08-01), Zemanek et al.
Delco Catalog, pp. 90, 91, Advertised 1998.

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