Ignition distributor electrode for suppressing radio frequency i

Details Ignition distributor electrode for suppressing radio frequency i Ignition distributor electrode for suppressing radio frequency i

1978-01-09

1979-08-28

Scott, James R.

Electricity: circuit makers and breakers

Periodic

Contact breaker detail

1231465A, 123148R, 123148P, 200 19R, 200262, 200264, 200270, H01H 1900, H01H 100

Patent

active

041662016

ABSTRACT:
An ignition distributor for an internal combustion engine is provided with a novel rotor electrode which substantially reduces radio frequency interference generated by spark discharges across the rotor gap. At least the tip segment of the rotor electrode is formed of a composite material consisting of a first phase of fibers of a dielectric material interspersed with a second phase of a conductive material. In operation, dielectric fibers protrude from the conductive phase into the gap promoting ionization therein so that electrical discharge occurs at voltages where radio frequency signal production is substantially suppressed.

REFERENCES:
patent: 1395269 (1921-11-01), Gebauer
patent: 2294783 (1942-09-01), Ely
patent: 3317773 (1967-05-01), Inoue
patent: 4007342 (1977-02-01), Makino et al.
patent: 4039787 (1977-08-01), Hori et al.
patent: 4074090 (1978-02-01), Hayashi et al.
patent: 4091245 (1978-05-01), Komiyama et al.

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