Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...
Patent
1981-07-14
1984-04-03
Nelli, Raymond A.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
123406, 123418, 123644, 123415, F02P 508
Patent
active
044401302
ABSTRACT:
An ignition control device includes a signal generating circuit for generating an output signal which has a frequency corresponding to the rotation speed of an engine, a rotation speed indication voltage generating circuit for generating a voltage which has a level corresponding to the rotation speed of engine, a saw-tooth wave generating circuit for generating a saw-tooth wave signal which changes at a frequency corresponding to the output signal from the signal generating circuit and at a rate corresponding to the voltage applied from the rotation speed indication voltage generating circuit, and a control circuit for generating an ignition signal every time when the saw-tooth wave signal has reached a predetermined voltage. The ignition control device further includes a control circuit for comparing a reference voltage with the saw-tooth wave signal in response to an output signal from the signal generating circuit and controlling the voltage stored in the voltage generating circuit according to the difference between both input signals.
REFERENCES:
patent: 3937193 (1976-02-01), Kim
patent: 4131097 (1978-12-01), Sawada et al.
patent: 4237835 (1980-12-01), Rabus et al.
patent: 4276860 (1981-07-01), Caparka
patent: 4292942 (1981-10-01), Katada et al.
patent: 4347819 (1982-09-01), Roberts
Nakao Satoshi
Taguchi Yasuo
Nelli Raymond A.
Tokyo Shibaura Denki Kabushiki Kaisha
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