Dual contact ignition system for motocycle internal combustion e

Details Dual contact ignition system for motocycle internal combustion e Dual contact ignition system for motocycle internal combustion e

1989-08-09

1990-09-04

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Having an ignition coil with multiple primary or secondary...

1231465A, 123638, 123640, F02P 1502

Patent

active

049535196

ABSTRACT:
An ignition system for a motorcyle two cylinder internal combustion engine includes magnetically coupled primary and secondary coils, spark plugs at the cylinders, a source of electrical current, and first and second pairs of contacts respectively controlling electrical current flow to the primary coil for producing high voltage output from the secondary coil to be delivered to the spark plugs; the system includes a rotary cam driven by the engine for controlling opening of the contacts, the cam rotatable about a first axis; first and second carriers respectively carrying the first and second contacts, and adjustably rotatable about that axis; and non-rotary support structure to which the carriers may be connected, in adjusted positions of the first and second contacts about the first axis; whereby the timing of spark effected ignitions by the spark plugs may be controlled.

REFERENCES:
patent: 2025203 (1933-03-01), Harper
patent: 2465080 (1949-03-01), Fitzsimmons
patent: 3910247 (1975-10-01), Hartig
patent: 3919994 (1975-11-01), Munden
patent: 4058691 (1977-11-01), Wittner
patent: 4064858 (1977-12-01), Forde
patent: 4072891 (1978-02-01), Campbell

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