Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1980-06-19
1982-06-29
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123546, 123547, 123198D, 261142, 261DIG83, 261DIG6, F02M 3100, F22B 3710
Patent
active
043367836
ABSTRACT:
A fuel vaporizer carburetor provides a continuous mixture of vaporized fuel and combustion air for operation of an internal combustion engine to meet the requirements of a wide range of engine operating conditions. Fuel vapor and combustion air undergo turbulent intermixing in an elongated mixing chamber. The mixing chamber is enclosed by a tubular wick of fiber mesh material which is saturated with fuel vapors and fuel condensate. The fuel vapors are generated by heating fuel in a float bowl which underlies the wick. Combustion air is admitted through a plurality of angularly spaced openings and is conducted through the porous flow passage provided by the tubular wick prior to entry into the mixing chamber. This arrangement produces a cyclonic, whirling movement which promotes intermixing of the combustion air and fuel vapors. Turbulence is induced at an intermediate point in the mixing chamber by a tapered sidewall housing section. The flow rate of the combustion air is limited by spring-loaded closure plates mounted over the inlet openings.
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Griggs Dennis T.
Nelli Raymond A.
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