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Fuel supply system

Image Number 2 for United States Patent #4011847.

A fuel supply system for internal combustion engines wherein a supply of liquid petroleum is vaporized primarily by atmospheric air from an outside source which is released below the liquid surface. The air may be pressurized by a compressor, or the like, or may be pulled through a direct, filtered intake by engine vacuum. In either case, it is released through holes in tubing below the liquid to rise to the top and be conducted directly to the carburetor or engine intake manifold. The usual liquid fuel line, with fuel pump and carburetor is also provided for selective use in place of the vaporization system.

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