Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1990-08-22
1991-09-17
Kamen, Noah P.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123470, F02G 500, F02M 1500
Patent
active
050485008
ABSTRACT:
An internal combustion engine of the injector type has self-regulating electrical resistance heating devices of positive temperature coefficient of resistivity arranged in cylinder head air-fuel inlet channels to intercept fuel directed into the channels by fuel injectors for heating and deflecting the fuel into respective cylinder intake valve openings. The heating devices and/or fuel injectors are movable after engine warm-up so that the fuel injectors thereafter spray fuel directly onto warmed-up intake valves in the valve openings without being intercepted by the heaters, whereby the heaters are adapted to be deenergized after engine warm-up without creating a cold spot in the engine fuel supply system at the heater location.
REFERENCES:
patent: 3760780 (1973-09-01), Jordan
patent: 4276864 (1981-07-01), Waschkuttis
patent: 4387291 (1983-06-01), Keppel
patent: 4671245 (1987-06-01), Knapp
patent: 4834053 (1989-05-01), Van Der Ploeg et al.
patent: 4967706 (1990-11-01), Van Wechem et al.
Haug John A.
Kamen Noah P.
McAndrews James P.
Sharp Melvin
Texas Instruments Incorporated
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