Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1981-06-22
1983-06-21
Lazarus, Ronald H.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123545, 123546, 261144, 165 52, F02M 3100
Patent
active
043889107
ABSTRACT:
An intake expansion chamber apparatus (10) for internal combustion engines is disclosed which preheats and expands the vaporized fuel/air mixture as the mixture flows between the carburetor and the combustion chamber. The apparatus includes an expansion chamber section (18) through which the fuel/air mixture flows between an inlet (20) connected in fluid communication with the intake manifold and an outlet (26) joined in fluid communication with the intake manifold at a location downstream from the outlet. The fuel/air mixture is heated during its passage through the expansion chamber by a heat transfer surface (30) to improve the vaporization and to more completely combust the hydrocarbons upon ignition. A safety valve (46) is provided to release pressure built up within the expansion chamber as during an engine backfire.
REFERENCES:
patent: 817941 (1906-04-01), Stute
patent: 2070189 (1937-02-01), Webster
patent: 3762385 (1973-10-01), Hollnagel
patent: 4083340 (1978-04-01), Furr
patent: 4100899 (1978-07-01), Chilton
patent: 4312318 (1982-01-01), Davis
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