Oil leakage detection apparatus

Details Oil leakage detection apparatus Oil leakage detection apparatus

1985-01-28

1986-05-20

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340619, 34081531, 250227, 116284, 73 611R, G08B 2100

Patent

active

045904626

ABSTRACT:
A chemically activated rotary actuator mechanism is described which reacts to exposure to hydrocarbons such as gasoline and oil to cause a rotor to forcibly rotate from a rest or static position. Spring members load the rotor with compressive forces which act through the rotational axis of the rotor to cause the mechanism to be inherently unstable in the static position. The rotor is rotatably mounted in a body member and constrained from rotation with respect to the body member by means of shear pins which degrade when exposed to hydrocarbons. Rotation of the rotor shaft is utilized in generating an alarm.

REFERENCES:
patent: 4058802 (1977-11-01), Meyers
patent: 4159420 (1979-06-01), Tsunoda
patent: 4351642 (1982-09-01), Bonavent

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