Ignitor for an internal combustion engine

Details Ignitor for an internal combustion engine Ignitor for an internal combustion engine

1993-06-14

1994-11-22

Cross, E. Rollins

Internal-combustion engines

High tension ignition system

Having engine component position sensor

123635, 123647, F02P 702, F02P 300

Patent

active

053659090

ABSTRACT:
An ignitor comprises an ignition coil unit mounted to a base and a control unit disposed on the ignition coil unit and electrically connected thereto for controlling a primary current to the ignition coil unit, which includes a base plate attached to the base and a crank angle sensor for detecting the turning angle of an engine crank shaft. The ignitor also comprises a rotary shaft rotatably supported by the base for rotation in synchronization with the rotation of an internal combustion engine which extends through the ignition coil unit and has a distributor rotor on an extended end thereof. The control unit further comprises a power switch package having a mold resin which hermetically molds therein a power transistor and an integrated controlling circuit into a sealed package. The power transistor interrupts an electric current flowing through a primary coil of the ignition coil and an integrated controlling circuit controls the power transistor.

REFERENCES:
patent: Re32168 (1986-06-01), Yoshinari
patent: 3888225 (1975-06-01), Boyer et al.
patent: 4224917 (1980-09-01), Nakazawa et al.
patent: 4307698 (1981-12-01), Yoshinari
patent: 4907563 (1990-03-01), Kodama
patent: 4979486 (1990-12-01), Shimada et al.
patent: 5058559 (1991-10-01), Koiwa
patent: 5139003 (1992-08-01), Ohhashi et al.
patent: 5159532 (1992-10-01), Kilian et al.

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