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U.S. Department of Energy
Office of Scientific and Technical Information

Anti vapor lock carbureted fuel system

Patent ·
OSTI ID:5488693
This patent describes a marine fuel system for an internal combustion engine, it comprises an induction system for supplying combustion air to the engine and a carburetor for mixing fuel with the combustion air, and having a fuel tank, the fuel system comprising: fuel pump means connected to draw fuel from the fuel tank and supply fuel through a fuel line to the carburetor; a vapor separator connected in the fuel line to remove fuel vapors supplied to the carburetor; a second low pressure fuel pump connected between the vapor separator and the carburetor; a third pump comprising a primer pump having an inlet connected to the fuel tank and having a pair of outlet branches; and a second outlet branch connected to the first fuel pump for supplying fuel from the fuel tank directly to the first fuel pump.
Assignee:
Brunswick Corp., Skokie, IL
Patent Number(s):
US 4844043
Application Number:
PPN: US 7-158331A
OSTI ID:
5488693
Country of Publication:
United States
Language:
English