Over-rotation preventing device for internal combustion engines

Details Over-rotation preventing device for internal combustion engines Over-rotation preventing device for internal combustion engines

1980-10-06

1983-05-31

Lall, P. S.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

123605, 123334, 123418, 123630, F02P 100

Patent

active

043856179

ABSTRACT:
The present invention relates to a device wherein a positive voltage induced in an exciter coil at the time of a high speed rotation is sensed, a switching transistor is switched on by the terminal voltage of a time constant circuit connected in series with the exciter coil through the switching transistor and, in spite of a negative voltage then induced in the exciter coil, the discharge of a discharging capacitor connected in series with an ignition coil to the ignition coil is delayed by a thyristor for controlling the discharge in response to the above mentioned time constant characteristic to delay the ignition speed, that is, to positively prevent the over-rotation of the internal combustion engine.

REFERENCES:
patent: 3500809 (1970-03-01), Hohne et al.
patent: 3933139 (1976-01-01), Beeghly
patent: 4144854 (1979-03-01), Katada et al.
patent: 4175509 (1979-11-01), Orova et al.
patent: 4211195 (1980-07-01), Zechlin

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