Engine overheat prevention system

Details Engine overheat prevention system Engine overheat prevention system

1982-04-26

1984-06-12

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 4115, 123196S, 123198DB, 60716, F02B 7708

Patent

active

044535120

ABSTRACT:
A system for preventing engine overheat in a vehicle such as a motor scraper or the like having a front engine and a rear engine mounted thereon. An actuator is operatively connected to the rear engine for controlling speed thereof and also is connected to a source of pressurized fluid through a solenoid-operated valve. A plurality of detectors are mounted in the rear engine each detecting a preset abnormal condition of the rear engine. Provided in the system is a relay responsive to a signal from the detectors for simultaneously turning on a warning lamp and energizing the solenoid-operated valve thereby blocking communication between the source of pressurized fluid and the actuator, thereby reducing the speed of the rear engine to its idle speed.

REFERENCES:
patent: 2867199 (1959-01-01), Holbrook
patent: 4102316 (1978-07-01), Valbert
patent: 4106470 (1978-08-01), Saizar
patent: 4129040 (1978-12-01), Hayden
patent: 4150654 (1979-04-01), Heitzman et al.
patent: 4175530 (1979-11-01), Asano
patent: 4195610 (1980-04-01), Bastenhof
patent: 4212278 (1980-07-01), Eisinger et al.
patent: 4252090 (1981-02-01), Baugh
patent: 4338896 (1982-07-01), Papasideris

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