Aircraft fuel contaminant tester

Details Aircraft fuel contaminant tester Aircraft fuel contaminant tester

1975-01-08

1976-08-24

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

23230HC, 23259, 73 61R, 73 611R, 210 23R, 210321R, 210172, 210500M, B01D 3916, B01D 1300

Patent

active

039765725

ABSTRACT:
A test unit for indicating the presence of water and other contaminants in aircraft fuel. The unit is constituted by a transparent cylinder closed at its bottom and having a filter element therein which divides the cylinder into an upper chamber and a lower chamber. Mounted at the top end of the cylinder and projecting therefrom is a valve-actuating pin adapted to engage the sump drain valve in the fuel tank to be tested to cause a fuel sample to flow into the upper chamber. The filter element is formed of a selectively-permeable hydrophobic material which blocks the flow of water and other contaminants and is permeable only to the fuel whereby should the fuel contain contaminants, the pure fuel will pass into the lower chamber and the contaminants will be retained in the upper chamber.

REFERENCES:
patent: 2611490 (1952-09-01), Robinson
patent: 2960234 (1960-11-01), Fredrickson
patent: 2970468 (1961-02-01), Price
patent: 3010583 (1961-11-01), Kenyon
patent: 3287961 (1966-11-01), Dwyer
patent: 3503250 (1970-03-01), Cotton et al.
patent: 3810775 (1974-05-01), Uhl et al.
patent: 3814079 (1975-06-01), Le Roy, Sr.
patent: 3873271 (1975-03-01), Young et al.

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