Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Material level or thickness responsive
Patent
1994-04-13
1999-03-09
Drodge, Joseph W.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Material level or thickness responsive
210114, 210232, 210313, 210440, B01D 2988, B01D 3530
Patent
active
058795430
ABSTRACT:
An environmentally safe and compatible filter and dehydrator apparatus for dehydrating and filtering impurities from fuel materials having a filter housing, a filter element composed of non-metallic, environmentally safe material and a water sensor used to detect the presence of water and generate a signal in response thereto to automatically engage a pump to remove a quantity of separated water from the filter housing, in the absence of allowing air to enter the filter housing. While processing fuel through the filter housing, a natural fuel/water contact forms within a lower portion of the filter housing. As fuel material is filtered and the fuel/water contact rises within the filter housing, the fuel/water contact approaches the water sensor. When the water sensing means detects the presence of water, the water sensor generates a signal to engage a pump to remove a quantity of separated water from a lower opening in the lower portion of the filter housing. The separated water is automatically removed in the absence of allowing air to enter the filter housing and the fuel/water contact is kept at a minimum elevation within the filter housing and away from the filter element.
REFERENCES:
patent: 2413769 (1947-01-01), Kasten
patent: 2471069 (1949-05-01), Le Clair
patent: 4264442 (1981-04-01), Jackson
patent: 4276161 (1981-06-01), Matsui et al.
patent: 4321136 (1982-03-01), Matsui
patent: 4470301 (1984-09-01), Hutchins et al.
patent: 4522712 (1985-06-01), Fisher et al.
patent: 4637351 (1987-01-01), Pakula
patent: 5078901 (1992-01-01), Sparrow
patent: 5213682 (1993-05-01), Richardson
Drodge Joseph W.
Payne Alton W.
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