Crank angle and cylinder number detecting system and method for

Internal-combustion engines – Charge forming device – Fuel injection system

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123478, 123643, F02D 4500

Patent

active

052675440

ABSTRACT:
A crank angle and cylinder number detecting system for an engine has a disc secured to a camshaft of the engine and, a plurality of projections are formed on a periphery of the disc. A sensor is provided adjacent the disc so as to produce pulses. A pattern of interval arrangement of pulses is determined. From the determined pattern, a crank angle of the engine and a cylinder number are precisely determined in a short time.

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patent: 4856489 (1989-08-01), Ozawa
patent: 4972818 (1990-11-01), Nomura et al.
patent: 5052358 (1991-10-01), Fukui
patent: 5056485 (1991-10-01), Kobayashi et al.
patent: 5099811 (1992-03-01), Frantz et al.

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