Apparatus for supplying start-fuel in the internal combustion en

Details Apparatus for supplying start-fuel in the internal combustion en Apparatus for supplying start-fuel in the internal combustion en

1988-08-29

1989-09-05

Dolinar, Andrew M.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123180E, 123180P, 123180T, 261DIG8, F02M 110

Patent

active

048628476

ABSTRACT:
An apparatus for supplying a start-fuel to an internal combustion engine for a portable type machine such as a chain saw or brush cutter which has an electric battery for use in starting. An electrically driven primer pump is connected to the metering chamber of a diaphragm carburetor and can direct fuel from the chamber to an accumulator which is connected to a fuel tank through a relief valve and also to a fuel jet in the venturi entrance of the carburetor. When the primer pump is actuated by a key switch, as the engine is started, fuel in the metering chamber is moved to the accumulator and fuel is replenished from the fuel tank. Also, an electromagnetic valve opens the accumulator to the fuel jet to furnish start-fuel to the venturi.

REFERENCES:
patent: 3371658 (1968-03-01), Turner
patent: 4373479 (1983-02-01), Billingsley et al.
patent: 4508068 (1985-04-01), Tuggle et al.
patent: 4676204 (1987-06-01), Inoguchi et al.

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