Liquid leak detector

Details Liquid leak detector Liquid leak detector

1998-09-17

2000-09-26

Williams, Hezron

Measuring and testing

With fluid pressure

Leakage

73308, 73305, 73 493, 73 497, 340603, G01F 2372, G01F 2362, F01P 716

Patent

active

061229555

ABSTRACT:
The liquid Leak Detector container must be mounted on the radiator support frame in a level position about eight inches from the radiator in line with the overflow tube. The overflow tube has to be cut to enable the tube ends to be fitted over each nipple of the container and secured by adjustable clamps. The radiator must be filled up with coolant to the top of the radiator filling neck while pinching the overflow tube below the coolant level of the overflow holding tank. The radiator cap is put on tight and the pinched tube released. When the engine is started up the coolant will increase in temperature and expand forcing the coolant to flow through the detector container to the overflow holding tank until the engine has reached operating temperature. The coolant will flow back into the radiator when the engine is not running.
The presence of air in the coolant begins to accumulate in the top of the radiator when a leak develops. The coolant is released to flow down the overflow tube and evacuating the detector container. This allows the float and switch assembly magnets to come into alignment and close against the container wall. The electrical contacts on the brass strips are closed before the switch assembly magnet reaches the detector container wall.

REFERENCES:
patent: 4137495 (1979-01-01), Brown
patent: 4178802 (1979-12-01), Yamamoto
patent: 4823116 (1989-04-01), Kitchen, III et al.
patent: 4879545 (1989-11-01), Aguilar
patent: 4924703 (1990-05-01), White et al.
patent: 4955231 (1990-09-01), Mahoney
patent: 5020366 (1991-06-01), Elfverson et al.
patent: 5196824 (1993-03-01), Helm
patent: 5422495 (1995-06-01), Cohn
patent: 5699759 (1997-12-01), Hollis
patent: 5851108 (1998-12-01), Clymer et al.

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