H - Electricity – 01 – T
Patent
H - Electricity
01
T
123/135, 123/212
H01T 13/34 (2006.01) F02M 57/06 (2006.01) F02M 63/00 (2006.01)
Patent
CA 1061204
ABSTRACT OF THE DISCLOSURE: A replacement spark plug for reciprocating internal combustion engines that functions as a fuel injector and as a spark plug to provide a "stratified-charge" effect. The conventional carburetor is retained to supply the main fuel- air mixture which may be very lean because of the stratified charge. The replacement plug includes a cylindrical piezo- electric ceramic which contracts to act as a pump whenever an ignition pulse is applied to a central rod through the ceramic. The rod is hollow at its upper end for receiving fuel, it is tapered along its lower length to act as a pump, and it is flattened at its lower end to act as a valve for fuel injection from the pump into the cylinder. The rod also acts as the center electrode of the plug, with the spark jumping from the plug base to the lower end of the rod to thereby provide spark ignition that has inherent proper timing with the fuel injection.
287034
Murray Ian
Tatro Clement A.
LandOfFree
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