Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1995-05-08
1996-11-19
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123479, F02D 4500, F02P 706
Patent
active
055752586
ABSTRACT:
An apparatus and method for determining an engine operation control based engine revolution displacement for a multi-cylinder four-stroke internal combustion engine are disclosed in which a reference crank angle sensor is disposed on an engine crankshaft so as to output a reference signal which corresponds to a predetermined crank angular position with respect to a top dead center of each cylinder whenever the engine has revolved through a set crank angular displacement according to the number of cylinders (720.degree./6=120.degree., in the case of a six-cylinder engine). A unit crank angle sensor is disposed on the engine crankshaft so as to output a unit angle (1.degree. or 2.degree.) of the engine crankshaft revolution, a first counter (C1) is built in a gate array (IC-package or gate arrary IC) so as to count the unit angular signal (POS) upon receipt of the reference signal (REF) and so as to be reset to zero when a count value of the first counter has reached a predetermined count value corresponding to the set crank angular displacement and when the first counter receives the subsequent reference signal.
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patent: 5101796 (1992-04-01), Matsumura
Argenbright Tony M.
Nissan Motor Co,. Ltd.
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