Ignition device for an engine

Details Ignition device for an engine Ignition device for an engine

1989-10-05

1991-01-29

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by partial or complete omission of...

123198D, F02P 304

Patent

active

049878700

ABSTRACT:
An ignition device for an engine comprises a signal generator to generate a signal in synchronism with the rotation of an engine, a waveform shaping circuit to shape the waveform of an output signal produced from the signal generator, an ignition device to determine ignition timing on the basis of the output of the waveform shaping circuit and to cause ignition in the engine, an ignition-cut controlling circuit to cut the igniting operation of the ignition device when the engine operates at more than a predetermined revolution number, a tachometer signal output circuit to detect the revolution number of the engine on the basis of the output of the waveform shaping circuit, and a tachometer driving means to receive the output of the tachometer signal output circuit and to drive a tachometer so as to indicate an engine speed.

REFERENCES:
patent: 3838672 (1974-10-01), Richards et al.
patent: 3900013 (1975-08-01), Vignozzi et al.
patent: 4262641 (1981-04-01), Mosely et al.
patent: 4625689 (1986-12-01), Komurasaki

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