Analog computer, particularly for an ignition system for interna

Details Analog computer, particularly for an ignition system for interna Analog computer, particularly for an ignition system for interna

1975-06-09

1977-07-12

Morrison, Malcolm A.

Registers

Transfer mechanism

Traveling pawl

123148E, 235197, 324 16R, G06F 1550, F02P 504

Patent

active

040356191

ABSTRACT:
An analog computer for controlling the ignition system of an internal combustion engine. A continuous signal is synthesized corresponding to the ignition advance angle as a function of the engine speed of rotation and of air intake pressure. This signal is synthesized in accordance with a characteristic for the particular engine concerned. The ignition advance signal is used to control commencement of a power supply pulse to the ignition system, with respect to a reference time signal, as a function of the instantaneous speed of rotation of the engine. Preferably the duration of the power supply pulse is maintained constant regardless of engine rotation speed and ignition advance angle. The circuits described for fulfilling these functions are designed for realization as bipolar integrated circuits.

REFERENCES:
patent: 3689755 (1972-09-01), Hodgson et al.
patent: 3785356 (1974-01-01), Niemoeller
patent: 3904856 (1975-09-01), Monpetit
patent: 3906207 (1975-09-01), Rivere et al.

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