Internal combustion engine distributor having oxidized electrode

Details Internal combustion engine distributor having oxidized electrode Internal combustion engine distributor having oxidized electrode

1975-04-10

1977-02-08

Scott, James R.

Electricity: circuit makers and breakers

Periodic

Contact breaker detail

1231465A, 123148R, 200 19DR, 200 19DC, 200266, 200267, H01H 1900, H01H 100

Patent

active

040073424

ABSTRACT:
A distributor containing an apparatus for suppressing noise is described, comprising an electrode of a distributor rotor and a group of electrodes of a plurality of stationary terminals which are arranged along a circular locus defined by the rotating distributor rotor keeping a constant spark discharging gap, wherein the surface of at least one of said electrodes of the distributor rotor and the stationary terminals is formed by an electrically high resistive material layer. The base layers for the electrodes and terminals are disclosed as made of silicon, brass, invar, steel and aluminum. The electrically high resistive layers are disclosed as made of silicon dioxide, copper oxide, aluminum oxide and invar oxide.

REFERENCES:
patent: 1494597 (1924-05-01), Evans
patent: 2464533 (1949-03-01), Shearer
patent: 2861155 (1958-11-01), Farnham et al.
patent: 2890315 (1959-06-01), Graves, Jr.
patent: 2949803 (1960-08-01), Leslie
patent: 3017532 (1962-01-01), Talmey
patent: 3158505 (1964-11-01), Sandor
patent: 3209298 (1965-09-01), Evanicsko, Jr.
patent: 3214558 (1965-10-01), Huber
patent: 3604877 (1971-09-01), Cockshutt
patent: 3609257 (1971-09-01), Jinsenji
patent: 3949721 (1976-04-01), Hori et al.
Standard Handbook for Electrical Engineers, "Properties of Materials" pp. 438-443, ninth edition, 1957, McGraw-Hill.

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