Internal-combustion engines – Igniters – Incandescent
Patent
1977-09-29
1979-10-30
Myhre, Charles J.
Internal-combustion engines
Igniters
Incandescent
123143R, F02P 2300
Patent
active
041724399
ABSTRACT:
A break ignition plug for piston engines wherein an electromagnet acts upon an armature which actuates a movable electrode and an ignition pulse flows through a magnet coil of the electromagnet and a short-circuit path between the movable electrode and a counterelectrode (ground electrode). The magnetic field which builds-up in the electromagnet causes breaking of the short-circuit path while forming a spark. A pressure equalization chamber communicates with an internal cylinder chamber of the piston engine for relieving the forces which are to be generated by the armature for the movement of the movable electrode. The armature which is to be attracted, against the force of a spring, by the electromagnet is located at least partially at the side of the electromagnet confronting the inner cylinder chamber and carries the movable electrode directed towards the inner cylinder compartment. The movable electrode protrudes with its contact tip into a floor or bottom portion of the ignition plug housing where there is fixedly mounted the counterelectrode, the bottom portion opening into the inner cylinder compartment.
REFERENCES:
patent: 1041477 (1912-10-01), Honold
patent: 1429821 (1922-09-01), Abbott
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patent: 2951133 (1960-08-01), Davies et al.
patent: 2972077 (1961-02-01), Chapman
patent: 3139496 (1964-06-01), Beller et al.
patent: 3693607 (1972-09-01), Pasbrig
patent: 3882338 (1975-05-01), Meyer
patent: 3908146 (1975-09-01), Pasbrig
Kleeman Werner W.
Lacrex Brevetti S.A.
Myhre Charles J.
Nelli R. A.
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