Method and apparatus of flow analysis

Details Method and apparatus of flow analysis Method and apparatus of flow analysis

1986-02-28

1987-09-29

Noland, Tom

Measuring and testing

Gas content of a liquid or a solid

By vibration

7386301, 7386485, 204400, 204402, 204409, 204 1T, G01N 3349, G01N 2746, G01N 2756

Patent

active

046961836

ABSTRACT:
A flow path in a flow analyzing apparatus is branched into two or more branch flow paths. In one of the branch flow paths, a flow path blockage detector and an electrolyte measuring electrode are disposed, and in the other branch flow path, a gas measuring electrode is disposed. When a liquid sample is introduced into the flow paths from a sampling nozzle of the common flow path, the blockage detector detects whether a blockage is occuring. If the blockage is detected, the blockage is removed by feeding a cleaning fluid into the common flow path in a direction opposite to the flow of the sample. Following this, the sample is introduced into the other branch flow path. By this operation, the pressure in the other branch flow path is not reduced abnormally, and thus normal operation of the gas measuring electrode can be maintained.

REFERENCES:
patent: 3424557 (1969-01-01), Skeggs
patent: 3649204 (1972-03-01), Farr
patent: 3960498 (1976-06-01), Zindler et al.
patent: 3963440 (1976-06-01), Stein et al.
patent: 3969209 (1976-07-01), Mueller
patent: 3997420 (1976-12-01), Buzza
patent: 4172770 (1979-10-01), Semersky et al.
patent: 4531088 (1985-07-01), Czaban et al.

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