Patent ID: 6016789
Filing Date: 2000-01-25
Classification: F02D

Abstract:
An apparatus for controlling operation of an internal combustion engine, said internal combustion engine having a crankshaft, a first camshaft, and a second camshaft, an ignition system in which ignition events occur during operation and a fuel injection system including injection valves for injecting fuel during operation, said apparatus comprisingmeans (25, 25a) for processing transmitted signals containing information regarding respective angular positions of the crankshaft and the camshafts to form at least one control signal (30, 31) for at least one of the injection valves and activating ignition events,means for producing said transmitted signals including a crankshaft signal transmitter comprising a crankshaft transmitter wheel attached to the crankshaft, said crankshaft transmitter wheel (10) having at least one reference mark (13) thereon, a first camshaft signal transmitter comprising a first camshaft transmitter wheel (14) having an angle mark (16) extending over 180.degree. attached to said first camshaft and a second camshaft signal transmitter comprising a second camshaft transmitter wheel (17) having an angle mark (19) extending over 180.degree. attached to said second camshaft,wherein said transmitter wheels (10, 14, 17) attached to said crankshaft and said first camshaft are oriented at an angle .alpha.1 with respect to each other and said transmitter wheels attached to said crankshaft and said second camshaft are oriented at an angle .alpha.2 with respect to each other.