Measuring and testing – Internal combustion engine or related engine system or... – Compression
Patent
1990-08-03
1992-04-14
Raevis, Robert
Measuring and testing
Internal combustion engine or related engine system or...
Compression
32420722, G01M 1500
Patent
active
051036681
ABSTRACT:
A detection process and device for electronic injection control of a multicylinder engine of an automobile engine, which performs the functions of measuring the speed of rotation of the engine, pinpointing the angular position of the top dead center of each cylinder of the engine, and identifying at any time which one of the cylinders for which the injection of fuel is to take place. The device includes a multipolar ring provided with multiple north and south magnetic poles distributed alternately on the circumference of the ring; a pair of sensors sensitive to the magnetic field produced by the multipolar ring mounted facing the ring and spaced angularly from one another; and an electronic processing interface connected to the sensors to deliver signals to a computer for control of the electronic injection of the engine.
REFERENCES:
patent: 3786272 (1974-01-01), Gamble et al.
patent: 4574756 (1986-03-01), Ito et al.
patent: 4752732 (1988-06-01), Van Schoiack et al.
patent: 4783627 (1988-11-01), Pagel et al.
patent: 4810967 (1989-03-01), Yokoyama et al.
Drutel Yves
Miettaux Marc
Raevis Robert
Renault Vehicules Industriels
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