Ignition system for internal combustion engines

Details Ignition system for internal combustion engines Ignition system for internal combustion engines

1974-11-27

1978-05-02

Cox, Ronald B.

Internal-combustion engines

Igniters

Incandescent

123117R, 123117D, F02P 504

Patent

active

040868958

ABSTRACT:
An ignition system for an internal combustion engine, in which system a position detector cooperates with an element driven in proportion to engine speed and supplies signals after shaping thereof, to a tachometric generator, the generator feeding an integrator which supplies a first voltage representative of the angular spacing from a reference position of said element, an amplifier in series with the integrator and supplying a second voltage as a function of engine speed, and a comparator receiving the sum of the first and second voltages and comparing it with a threshold voltage such that when said sum coincides with the threshold voltage, the comparator supplies an output signal used to trigger current in the ignition coil.

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patent: 3314407 (1967-04-01), Schneider
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patent: 3521611 (1970-07-01), Finch
patent: 3592178 (1971-07-01), Schiff
patent: 3660689 (1972-05-01), Oishi et al.
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patent: 3756212 (1973-09-01), Schirmer et al.
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patent: 3811420 (1974-05-01), Vogel
patent: 3853103 (1974-12-01), Wahl et al.
patent: 3854465 (1974-12-01), Adams
patent: 3867916 (1975-02-01), Bigalke
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patent: 3874349 (1975-04-01), Fitzner
patent: 3923022 (1975-12-01), Scholl

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