On-line sampling system for monitoring particles suspended in a

Details On-line sampling system for monitoring particles suspended in a On-line sampling system for monitoring particles suspended in a

1976-04-22

1977-08-09

Corbin, John K.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Erosion

73422R, 137251, G01N 2700, G01N 120

Patent

active

040413853

ABSTRACT:
Method and apparatus for providing a concentration study of particles in a large system of continuously flowing fluid which is coupled to a sampling chamber that has a detector of the Coulter type therein. A regulator is provided to maintain constant the pressure in the sampling chamber irrespective of pressure changes in the large system. The regulator establishes a boundary surface between fluid from the sampling chamber and a column of liquid, such as mercury, immiscible with said fluid and of greater density than said fluid; whereby, a predetermined pressure is produced at said surface and permits sample fluid to pass through said column liquid as the pressure on the fluid variably exceeds the pressure at the boundary surface.

REFERENCES:
patent: 127592 (1872-06-01), Gates
patent: 2585060 (1952-02-01), Wallace
patent: 2687185 (1954-08-01), McChesney
patent: 3259981 (1966-07-01), Coulter et al.
patent: 3444463 (1969-05-01), Coulter et al.
patent: 3549994 (1970-12-01), Rothermel et al.

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