Internal combustion engine with apparatus responsive to shortage

Details Internal combustion engine with apparatus responsive to shortage Internal combustion engine with apparatus responsive to shortage

1985-08-05

1987-03-24

Wolfe, Jr., Willis R.

Internal-combustion engines

Cooling

Indicators and safety devices

123568, 123198D, 13750514, 236 86, 251 11, F01P 1116

Patent

active

046516832

ABSTRACT:
This disclosure relates to a water-cooled engine for a boat, including apparatus to prevent the engine from overheating due to a shortage of coolant. The apparatus includes an air intake connected to supply fresh air to the engine, and an exhaust system connected to discharge exhaust gas from the engine. A duct is connected between the air intake and the exhaust system, and a normally closed valve is provided in the duct. A heat responsive device is provided on the engine to open the valve in response to a predetermined high temperature of the engine, whereby at least a portion of the exhaust gas is fed back through the duct to the air intake.

REFERENCES:
patent: 2877701 (1959-03-01), Whitaker
patent: 4126114 (1978-11-01), Davis
patent: 4142496 (1979-03-01), Saito et al.
patent: 4208994 (1980-06-01), Kitamura
patent: 4303195 (1981-12-01), Hashimoto et al.
patent: 4485781 (1984-12-01), Barnes
patent: 4540153 (1985-09-01), Gomi et al.

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