Electricity: circuit makers and breakers – Periodic – Contact breaker detail
Patent
1989-12-14
1991-03-19
Scott, J. R.
Electricity: circuit makers and breakers
Periodic
Contact breaker detail
200 19DC, H01H 1900, F02P 700
Patent
active
050013092
ABSTRACT:
An ignition distributor for an internal combustion engine comprises a distributing rotor which rotates about a rotational axis in synchronism with the internal combustion engine and a distributing cap adapted to enclose the distributing rotor. The distributing rotor has a rotor electrode mounted away from the rotational axis. The rotor electrode has a tip end which extends along a circular path that the rotor electrode describes when it rotates. The distributing cap is provided with side electrodes disposed concentrically with the distributing rotor and oppositely to the tip end with a predetermined gap between the side electrodes and the tip end. The tip end is covered by the dielectric member only in part in a direction transversely of the circular path. The tip end may be provided with a recess extending along the circular path for receiving the dielectric member therein.
REFERENCES:
patent: 3949721 (1976-04-01), Hori et al.
patent: 4135066 (1979-01-01), Yamanaka et al.
patent: 4345120 (1982-08-01), Sawada et al.
patent: 4381429 (1983-04-01), Nakayama et al.
patent: 4468543 (1984-08-01), Sone et al.
Patent Abstracts of Japan, vol. 9, No. 117 (M-381) [1840], May 22, 1985; JP-A-60 3483.
Patent Abstracts of Japan, vol. 7, No. 41 (M-194) [1186], Feb. 18, 1983; JP-A-67 191462.
Patent Abstracts of Japan, vol. 6, No. 199 (M-162) [1077], Oct. 8, 1982; JP-A-57 105 561.
Mitsubishi Denki & Kabushiki Kaisha
Scott J. R.
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