Plug for internal combustion engine for limiting production of n

Details Plug for internal combustion engine for limiting production of n Plug for internal combustion engine for limiting production of n

1976-02-11

1977-06-14

Rolinec, Rudolph V.

Electric lamp and discharge devices

With temperature modifier

Spark plug type

313120, 123169PA, F23Q 364

Patent

active

040299821

ABSTRACT:
A plug for use in a cylinder of an internal combustion engine adapted to limit the production of nitrogen oxide (NOx). The plug has an inner cover which surrounds the ignition electrodes with the inner cover having an opening to provide communication between the electrodes and the engine cylinder. An outer cover surrounds the inner cover in spaced relation therewith and has an opening in juxtaposition with the inner cover opening. The outer cover has a number of perforations so that water injected between the inner and outer covers through one or more nozzles is evaporated into steam upon engagement with the red-hot outer cover with the steam passing through the perforations into the cylinder in a direction away from the electrodes so as not to interfere with the functioning of the electrodes.

REFERENCES:
patent: 1770608 (1930-07-01), Fischer

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