Internal-combustion engines – Charge forming device – Combined liquid and gaseous fuel
Patent
1994-12-22
1995-08-22
Yuen, Henry C.
Internal-combustion engines
Charge forming device
Combined liquid and gaseous fuel
123 3, 123575, F02M 2102, F02B 4308
Patent
active
054430526
ABSTRACT:
A fuel delivery system for an internal combustion engine of an automobile including a fuel tank, a main fuel line and an exhaust line, wherein fuel flows to the engine initially, until the engine heats up, at which point the fuel is directed through an alternate fuel line to an injector nozzle which disperses the fuel through a corrugated steam line within a heat exchanging chamber defined by an enlarged exhaust housing fitted in line along the exhaust line. Fuel in the corrugated steam line is vaporized by the heat of exhaust gases surrounding the steam line within the heat exchanging chamber. A steam trap receives the partially vaporized fuel from the corrugated steam line and separates vapors from liquid fuel condensation, from which the vapors continue along a steam line leading to a shut-off valve. At 60 psi the shut-off valve opens, directing vaporized fuel to a pressure reducer, which reduces pressure of the fuel vapor to 12 psi for delivery to a liquid petroleum gas carburetor structured and disposed to feed the vapor to the fuel intake of the combustion engine. An adapter plate facilitates attachment of the liquid petroleum gas carburetor to the combustion engine and transfer of the vaporized fuel thereto. An auxiliary radiator receives liquid fuel condensation from the steam trap for cooling and return of the liquid fuel to the main fuel line for reuse.
REFERENCES:
patent: 3788283 (1974-01-01), Perry
patent: 3985108 (1976-10-01), Matsomoto et al.
patent: 4319554 (1982-03-01), Boffie
patent: 5357908 (1994-10-01), Sung et al.
patent: 5379728 (1995-01-01), Cooke
Downey Robert M.
Solis Erick
Yuen Henry C.
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