Ignition device

Details Ignition device Ignition device

1978-01-31

1980-09-30

Myhre, Charles J.

Internal-combustion engines

High tension ignition system

Having a specific mounting of system component

1231465A, F02P 700

Patent

active

042249171

ABSTRACT:
This invention relates to an ignition device of the type wherein a pickup coil for making a signal synchronous with the engine revolution is disposed within a distributor, an amplifier circuit for amplifying the output of the pickup coil and a power transistor for controlling the primary coil current of an ignition coil are arranged in a circuit unit under hybrid IC and chip states respectively, and the circuit unit is mounted on a side surface of a housing of the distributor.
A highly waterproof structure has been found necessary in order that the insulation between the housing and pickup terminals as well as connectors for coupling the pickup coil and the amplifier circuit and the insulation between the terminals may be prevented from degrading due to moisture.
To this end, a protuberance which projects from the circuit unit into the housing is disposed in a manner to surround the pickup terminals.

REFERENCES:
patent: 1378833 (1921-05-01), Bokemeyer
patent: 3277340 (1966-10-01), Jukes et al.
patent: 3396249 (1968-08-01), Kind et al.
patent: 3581725 (1971-06-01), Hemphill et al.
patent: 3888225 (1975-06-01), Boyer et al.
patent: 3906918 (1975-09-01), Longstaff-Tyrrell
patent: 3915542 (1975-10-01), Schau-Kjeldsen
patent: 3996914 (1976-12-01), Crall et al.

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