Alfa Romeo S.p.a.

Alberto Catastini

Dario Radaelli

Giancarlo De Angelis

Aldo Bassi

Edoardo Rogora

Luciano Bertoloni

Francesco Perrone

This invention relates to a system for the regulation and control of the angle of advance in the ignition unit of an internal combustion engine, which is based on the use of a properly programmed microprocessor unit which receives the input data from a set of detectors of engine parameters, processes them and finally delivers output data representative of the regulated magnitude, that is, of the angle of advance.

System for the regulation and control of the angle of advance for the

This invention relates to a regulation and control system for the fuel feeding unit of an internal combustion engine, said system being based on the use of a microprocessing unit which has properly been programmed. A set of detectors of engine parameters supplies the microprocessing unit with a set of input data which are processed in the processing unit and converted into a set of output data which are representative of the regulated magnitudes, more exactly of the duration and phase setting of the fuel feed.

Regulation and control system for the fuel feeding unit of an

This invention relates to an electronic device for taking the speed of a rotating member. In order to provide speed signals having a different degree of discrimination at the interior of a determined range of values, the device according to the invention comprises transducer means operatively connected to the rotating member to generate a first train of pulses, pulse generating means for generating a second train of pulses at a constant frequency, counting means for counting the pulses of said second train between two subsequent selected pulses of said first train, and a microprocessor for comparing the counted pulses with reference numbers comprised between predetermined minimum and maximum values corresponding to higher and lower values of a maximum speed zone of the speed range.

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Corsico, Italy

Alberto Catastini