Fuel property determination system

Measuring and testing – Engine detonation – Fuel rating

Reexamination Certificate

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C073S053050

Reexamination Certificate

active

07028532

ABSTRACT:
A fuel property determination system for an internal combustion engine is comprised of a specific gravity detecting section which detects a specific gravity of fuel used in the engine and a fuel property detecting section which detects at least one of a cetane number, an octane number, an evaporation point, a heat of consumption and an aromatics content as a fuel property, on the basis of the specific gravity.

REFERENCES:
patent: 4142419 (1979-03-01), Fenne et al.
patent: 6283096 (2001-09-01), Kimura
patent: 61190131 (1986-08-01), None
patent: 3-45181 (1991-09-01), None
patent: 11-107820 (1999-04-01), None
U.S. Appl. No. 10/770,550, filed Feb. 4, 2004, Shinzawa.

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