Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means
Patent
1994-01-03
1995-05-30
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Including cylinder pressure or temperature responsive means
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.
Argenbright Tony M.
Unisia Jecs Corporation
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