Process for reducing the pollution due to an internal combustion

Internal-combustion engines – Additional air supply

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Details

123169V, 123119D, 123 32SJ, 123148DS, 123148C, F02B 4100, F02P 100, F02B 3300

Patent

active

040611132

ABSTRACT:
The process comprises producing in a combustion chamber of the engine a high-tension electrical discharge, prolonging the duration of the discharge, and supplying additional air in the vicinity of the discharge so as to form a plasma and cause a post-combustion in the cylinder.
An internal combustion engine is disclosed which carries out this process. The engine comprises for each cylinder a high-tension ignition spark plug and an air supply conduit in the vicinity of the high-tension electrode of the spark plug. Valve means open the conduit at least during the driving stroke of the piston. An electric supply circuit for the spark plug comprises an ignition distributor having a rotary contact of such dimension that it maintains the supply of current to the spark plug during at least a part of the expansion stroke of the piston.

REFERENCES:
patent: 1754796 (1930-04-01), McElroy
patent: 1937801 (1933-12-01), Tibbetts
patent: 2534346 (1950-12-01), Fenney
patent: 2756268 (1956-07-01), Knudson
patent: 3204139 (1965-08-01), Candelise
patent: 3534714 (1970-10-01), Urlaub
patent: 3558251 (1971-01-01), Bauger et al.
patent: 3794008 (1974-02-01), Mathews

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