Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1996-10-01
1997-09-02
McMahon, Marguerite
Internal-combustion engines
Charge forming device
Heating of combustible mixture
F02M 3116
Patent
active
056620900
ABSTRACT:
A fuel tank heat exchanger receives hot water from a vehicle diesel engine for the heating of vegetable oils that are used as engine fuel. An electrically-operable shunt valve is installed in the water line from the engine to the radiator to direct hot water from the engine to the heat exchanger and then to the radiator or to the radiator only in order to provide adequate cooling of the engine and to prevent excessive heating of the fuel oil. Temperature sensing of the fuel oil is used to provide information for operating the shunt valve. The system also includes a fuel heat exchanger wrapped around the vehicle exhaust pipes and water and fuel preheaters for additional heating particularly for initial starting of the engine in cold climates.
REFERENCES:
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patent: 4562820 (1986-01-01), Jiminez
patent: 4726346 (1988-02-01), Lucht
patent: 4807584 (1989-02-01), Davis
patent: 4865005 (1989-09-01), Griffith
patent: 4926830 (1990-05-01), McNelley
patent: 4964376 (1990-10-01), Veach
patent: 5029634 (1991-07-01), Hurner
McMahon Marguerite
Yeager Arthur G.
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