Overheat preventing system for internal combustion engines

Details Overheat preventing system for internal combustion engines Overheat preventing system for internal combustion engines

1982-06-18

1984-07-17

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 4115, 123335, F02B 7708

Patent

active

044599510

ABSTRACT:
A system for preventing overheating of an internal combustion engine comprised of a temperature detector which activates an electronic circuit to intermittently interrupt engine ignition spark to gradually decelerate the engine. The electronic circuit has an oscillator which is activated by the temperature detector whose duty cycle is gradually increased up to a maximum. The oscillator output energizes a gating circuit to turn on a thyristor which connects an ignition charging circuit to ground. Thus interrupting the ignition spark.

REFERENCES:
patent: 3385278 (1968-05-01), Johnson et al.
patent: 3776204 (1973-12-01), Harris
patent: 4023549 (1977-05-01), Hewitt
patent: 4171687 (1979-10-01), Coventry
patent: 4204490 (1980-05-01), Ohki et al.
patent: 4218998 (1980-08-01), Hill et al.
patent: 4344395 (1982-08-01), Kondo et al.

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