Fuel supply system of vehicle

Details Fuel supply system of vehicle Fuel supply system of vehicle

2007-06-05

2007-06-05

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C123S509000

Reexamination Certificate

active

11134255

ABSTRACT:
A fuel supply system of a vehicle is provided with a fuel tank10supported on a vehicle at a level equal to or lower than that of the carburetors16and17combined with an engine5. A vacuum fuel cut valve12is placed on the upper surface of the fuel tank10. A pulse-driven fuel pump13is disposed near the vacuum fuel cut valve12on the upper surface of the fuel tank10. The vacuum fuel cut valve12has a fuel inlet port36connected to a fuel suction pipe37, a fuel outlet pipe28, and a vacuum chamber connected to an intake pipe21aconnected to the cylinder21of the engine5. The pulse-driven fuel pump13is provided with a fuel suction pipe25connected to the fuel outlet pipe28of the vacuum fuel cut valve12. When a negative pressure pulse is applied to the vacuum fuel cut valve12, the vacuum fuel cut valve12opens to supply fuel to the carburetors16and17.

REFERENCES:
patent: 2399459 (1946-04-01), Bouchez
patent: 3952719 (1976-04-01), Fenton et al.
patent: 4159701 (1979-07-01), Murata
patent: 4957084 (1990-09-01), Kramer et al.
patent: 6691683 (2004-02-01), Gracyalny et al.
patent: A 2003-182672 (2003-07-01), None

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