Phase separation detecting filter

Details Phase separation detecting filter Phase separation detecting filter

1984-07-13

1985-09-03

Cintins, Ivars

Liquid purification or separation

Constituent mixture variation responsive

2104164, 210437, 2104931, 2105021, 210503, B01D 1500

Patent

active

045391076

ABSTRACT:
A filter for alternate use in filtering methanol-gasoline and ethanol-gasoline blends and sensing phase separation in either blend. The filter includes a composite filter media including a mechanical filter, a methanol sensing material and an ethanol sensing material. Both of the sensing materials are responsive to unduly high levels of the material being sensed in a corresponding blend and swelling to a substantially increased volume. The same are contained in a flow path such as to substantially block the flow path upon swelling of either or both of the sensing materials to thereby provide an indication of phase separation.

REFERENCES:
patent: 3397793 (1968-08-01), MacDonnell
patent: 3935099 (1976-01-01), Weaver et al.
patent: 4026792 (1977-05-01), Orth
patent: 4045387 (1977-08-01), Fanta et al.
patent: 4364825 (1982-12-01), Connor
patent: 4420392 (1983-12-01), Harris

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