Ignition plug for improving fuel economy of an internal combusti

Details Ignition plug for improving fuel economy of an internal combusti Ignition plug for improving fuel economy of an internal combusti

1988-05-06

1989-08-22

Wieder, Kenneth

Electric lamp and discharge devices

Spark plugs

With fluid feed or air vent

313143, 123169V, H01T 1302

Patent

active

048599000

ABSTRACT:
An ignition plug for use in an internal combustion engine comprises a plug main body, a central electrode embedded to the inside thereof and having a tubular structure through which atmospheric air is introduced to the inside of cylinder for the complete combustion of unburnt gases and a check valve mechanism disposed within the air introduction channel for preventing the back flow of the gas from the cylinder to the channel, wherein the atmospheric air is introduced by way of a non-linear path to the central electrode so that electric discharge from the central electrode to the outside can be prevented, and a check valve mechanism comprises a gravity actuation type main check valve and a spring-biased type auxiliary check valve so that the backward flow of the cylinder gas can surely be prevented.

REFERENCES:
patent: 3079453 (1963-02-01), Clark
patent: 4325332 (1982-04-01), Hukill
patent: 4513220 (1985-04-01), Togashi
patent: 4736718 (1988-04-01), Linder

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