Fuel property determination system

Details Fuel property determination system Fuel property determination system

2006-05-23

2006-05-23

Dolinar, Andrew M. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S114000, C073S035020, C073S116070

Reexamination Certificate

active

07050901

ABSTRACT:
A fuel property determination system for an internal combustion engine is arranged to determine a fuel property indicative that fuel in use is heavy or light, on the basis of a degree of change of a revolution speed during a period from an expansion stroke of a first fuel injection cylinder at engine start to an expansion stroke of a final fuel injection cylinder in a first round as to all cylinders of the engine.

REFERENCES:
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patent: 6079396 (2000-06-01), Ament et al.
patent: 6318152 (2001-11-01), Hagihara et al.
patent: 2-308945 (1990-12-01), None
patent: 3-233151 (1991-10-01), None
patent: 9-151777 (1997-06-01), None

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