Overheat warning and prevention system for outboard engines

Details Overheat warning and prevention system for outboard engines Overheat warning and prevention system for outboard engines

1982-01-29

1987-09-22

Swann, III, Glen R.

Communications: electrical

Selective

Having indication or alarm

123335, 340 57, 340 60, 340522, G08B 2100, F02B 900

Patent

active

046958223

ABSTRACT:
A water pump circulates cooling water to an outboard engine, and overheating does not generally occur unless the circulation is insufficient. A pressure sensor responsive to low pressures so as to actuate an alarm, except when the engine RPM are at or below a selected level, such as those corresponding to a trawling operation where an alarm would be bothersome. A temperature sensor can be provided to stop the engine or reduce its output in the event that the engine temperature exceeds a selected temperature.

REFERENCES:
patent: 1968828 (1934-08-01), Hardison
patent: 3302171 (1967-01-01), Sensing
patent: 3634881 (1972-01-01), Cline
patent: 3738346 (1973-06-01), Goodman
patent: 3782358 (1974-01-01), Lenz
patent: 3884203 (1975-05-01), Cliffgard
patent: 3893108 (1975-07-01), McBride, Jr. et al.
patent: 4074672 (1978-02-01), La Due et al.
patent: 4136329 (1979-01-01), Trobert
patent: 4218998 (1980-08-01), Hill et al.

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