Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1995-12-27
1997-04-22
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
731173, F02M 5100, G01L 2314
Patent
active
056221541
ABSTRACT:
A fuel system for an internal combustion engine includes a controller which controls the operation of an engine fuel pump. Signals are supplied to the controller by a transducer which is responsive to the passage of teeth formed on the periphery of a wheel which is mounted on the engine crankshaft. In order to generate an engine speed signal it is necessary to know the tooth spacing errors and these are determined from the transducer signals by using a cross-correlation technique to correct the transducer signals for interval variation due to cyclic fluctuation of engine speed following which the tooth spacing errors are calculated to be used in subsequent calculations of the engine speed.
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patent: 5325833 (1994-07-01), Fukui et al.
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Lucas Industries Public Company Limited
Wolfe Willis R.
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