LPG vehicular liquid transfer system

Internal-combustion engines – Charge forming device – With fuel pump

Reexamination Certificate

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Details

C123S527000, C137S265000

Reexamination Certificate

active

07047947

ABSTRACT:
A fuel system for supplying LPG fuel, the system including a fuel storage tank and a fuel transfer tank. A first pump pushes fuel to a vehicle engine from the transfer tank and excess fuel from the engine is returned to the storage tank or the transfer tank. A second pump pulls fuel from the storage tank into the transfer tank when a fluid level within the transfer tank falls below a certain level. A method of providing LPG fuel to the engine of a vehicle.

REFERENCES:
patent: 5291869 (1994-03-01), Bennett
patent: 5325838 (1994-07-01), Bennett
patent: 5423303 (1995-06-01), Bennett
patent: 5816224 (1998-10-01), Welsh et al.
patent: 6216675 (2001-04-01), Bennett
patent: 6227173 (2001-05-01), Bennett
patent: 6588406 (2003-07-01), Oprea

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