Energy transmission devices

Electrical resistors – Granular or powdered element – Granular or powdered mixtures

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Details

338 66, 338274, H01C 800

Patent

active

042701147

ABSTRACT:
A device for inclusion in the ignition current circuit of internal combustion engines in which a body of electrically conductive, irregularly shaped metal granules forms a flowpath in the form of a labyrinth between a pair of end terminals. Compaction pressure and, preferably, inclusion of non-electrically conductive granules is employed to adjust the direct current conductivity of the body of granules.

REFERENCES:
patent: 439939 (1890-11-01), Gilbert
patent: 493314 (1893-03-01), Thomson
patent: 919908 (1909-04-01), Martin
patent: 942555 (1909-12-01), Hankin
patent: 1397888 (1921-11-01), Chodrow
patent: 1701386 (1929-02-01), Mucher
patent: 2845515 (1958-07-01), Anderson et al.

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