Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1984-03-20
1985-04-16
Cross, E. Rollins
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123527, 123482, 123494, 165 51, F02M 3100
Patent
active
045109133
ABSTRACT:
A system to supply vaporized fuel to an internal combustion engine resulting in reduced exhaust emissions and better fuel economy due to the air and fuel mixture being more homogenous and more evenly distributed to the cylinders of the engine. A vaporizing chamber receives a predetermined quantity of fuel from an injector in the form of a spray that initially impinges upon a heated plate which partially vaporizes the fuel and then passes through a chamber containing copper wool for final vaporization of the fuel. The plate, copper wool and vaporizing chamber are heated by an external jacket and an internal concentric passageway communicated with the exhaust pipe so that heated exhaust products are utilized to vaporize fuel. Metering of fuel by the injector for each vaporizing chamber is controlled by a microprocessor control unit which receives data from a venturi transducer for providing specific signals to the appropriate fuel injector so that the injectors are staged or timed to provide the proper amount of fuel vapor for a given airflow and throttle condition with the total charge of vapor being combined in the common manifold and discharged to the carburetor venturi in order to combine with controlled and measured airflow through the venturi to provide an optimum fuel/air mixture for most efficient operation of the internal combustion engine which results in increased fuel economy and reduced emissions.
REFERENCES:
patent: 3913547 (1975-10-01), Wentworth et al.
patent: 4022173 (1977-05-01), Read
patent: 4086893 (1978-05-01), Bernecker
patent: 4151821 (1979-05-01), Wichman et al.
patent: 4259937 (1981-04-01), Elliott
patent: 4303051 (1981-12-01), Weishaar
patent: 4406270 (1983-09-01), Simonson, Sr.
Cross E. Rollins
Franco Lila K.
Franco Ralph A.
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