Pressure compensated temperature switch unit for protection of a

Details Pressure compensated temperature switch unit for protection of a Pressure compensated temperature switch unit for protection of a

1986-01-17

1987-06-16

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Indicators and safety devices

340 57, 340592, F01P 1116

Patent

active

046729208

ABSTRACT:
A pressure compensated temperature switch for the protection of an internal combustion engine or the like. The switch unit includes a housing, a portion of which is positioned within a passage in the cooling system of the internal combustion engine. Within the housing is a pressure sensitive member. The pressure sensitive member senses both the temperature and the pressure of the coolant fluid in the coolant system of the internal combustion engine. A visual and/or audible alarm device, which is connected to a switch unit of this invention, thus operates when temperature conditions exist within an engine which are harmful to the engine.

REFERENCES:
patent: 3753256 (1973-08-01), McDonald
patent: 3898614 (1975-08-01), Watt
patent: 4262274 (1981-04-01), Howe et al.
patent: 4299117 (1981-11-01), Andrews et al.

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