Method for identifying a fuel quality and for operating an...

Details Method for identifying a fuel quality and for operating an... Method for identifying a fuel quality and for operating an...

2011-04-26

2011-04-26

Kwon, John T (Department: 3747)

Internal-combustion engines

Charge forming device

Heating of combustible mixture

C123S14500A, C123S435000

Reexamination Certificate

active

07931012

ABSTRACT:
A method for identifying the fuel quality and for operating an internal combustion engine, as well as an engine control unit, in which the temperature of at least one sheathed-element glow plug of the engine is controlled, an engine response after a temperature change is compared to an engine response before the temperature change, and from the result of this comparison, the fuel quality is derived.

REFERENCES:
patent: 4287862 (1981-09-01), Noguchi et al.
patent: 4463729 (1984-08-01), Bullis et al.
patent: 4760830 (1988-08-01), Bullis et al.
patent: 5771857 (1998-06-01), Willi
patent: 2002/0166515 (2002-11-01), Ancimer et al.

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