Fuel volatility detecting apparatus

Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means

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Details

73116, 123491, F02D 4106

Patent

active

054192960

ABSTRACT:
An apparatus for detecting a volatility of fuel supplied to an internal combustion. A target mean effective pressure is calculated based on sensed engine operating conditions. An actual mean effective pressure is calculated based on a sensed cylinder pressure. The fuel volatility is calculated as a function of the calculated target mean effective pressure and the calculated actual mean effective pressure.

REFERENCES:
patent: 4905649 (1990-03-01), Washino et al.
patent: 4920494 (1990-04-01), Abo et al.
patent: 4984546 (1991-01-01), Shimomura et al.

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