Method and means for stimulating combustion especially of lean m

Details Method and means for stimulating combustion especially of lean m Method and means for stimulating combustion especially of lean m

1981-07-06

1985-12-03

Nelli, Raymond A.

Internal-combustion engines

Igniters

123536, 431 6, F23H 526, F23N 520

Patent

active

045560200

ABSTRACT:
Method and means are disclosed for stimulating combustion especially of lean mixtures in internal combustion engines. For example, an ultraviolet lamp mounted in the combustion chamber of an engine directs radiation of wavelength exceeding 190 nm on the advancing flame front. The radiation largely passes through the cool unburned mixture and is absorbed in disassociating oxygen molecules in the flame front thereby stimulating combustion of the flame and allowing the burning of exceptionally lean air-fuel mixtures. Numerous features and alternative embodiments are disclosed.

REFERENCES:
patent: 3473879 (1969-10-01), Berberich
patent: 3934566 (1976-01-01), Ward
patent: 4034557 (1977-07-01), Cerkanowicz
patent: 4035131 (1977-07-01), Cerkanowicz
patent: 4043308 (1977-08-01), Cerkanowicz
patent: 4052139 (1977-10-01), Paillaud et al.
patent: 4134530 (1982-02-01), Giacchetti
patent: 4230448 (1980-10-01), Ward et al.

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