Internal-combustion engines – Multiple cylinder – Cylinders in-line
Patent
1980-02-04
1981-12-15
Argenbright, Tony M.
Internal-combustion engines
Multiple cylinder
Cylinders in-line
123575, 123579, F02M 1306
Patent
active
043053505
ABSTRACT:
A dual fuel system is disclosed which, when retrofitted to a standard gasoline engine of an automobile, permits the automobile to run on one of two fuels. The dual fuel system comprises two fuel tanks; two carburetors, each connected to a fuel tank and powered by a separate fuel pump; a venturi housing communicating with the carburetors and forming two venturi throats, each throat in registry with an outlet of a carburetor; an adapter forming a single passage therethrough and including an end adapted to be mounted on an intake manifold such that the passage is in registry with an intake opening in the intake manifold; a valve, located in between the venturi housing and the adapter means, for alternately opening and closing a pathway from a preselected venturi throat to the single passage of the adapter so that only one venturi throat communicates with the single passage at a time; a single throttle linkage connected to the throttles of the carburetors such that the throttles of the carburetors operate in unison; a valve linkage which allows remote control of the valve; and a slave linkage extending between the valve linkage and a distributor which is driven by the valve linkage and automatically adjusts the distributor to a predetermined setting by advancing or retarding the timing. The venturi housing may further include an exhaust gas heated helical duct for preheating the air-fuel mixture passing therethrough.
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Brown Michael H.
Cofield James R.
Jenks Harold J.
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