Backflow isolator and capture system

Details Backflow isolator and capture system Backflow isolator and capture system

1988-04-29

1989-07-04

Rosenberger, Richard A.

Optics: measuring and testing

For optical fiber or waveguide inspection

G01N 3348

Patent

active

048446106

ABSTRACT:
A flow apparatus for the analysis of particles passing with a liquid substantially one at a time through an analysis region includes a backflow isolator and capture system to catch any liquid and particles dripping from the analysis region. The backflow isolator and capture system is activated by an unlocking support for the sample test tube carrying the supply of liquid and particles. The support is also an operator for a pump and a pressure vent valve whereby liquid, particles and aerosols cannot escape. A method for isolating and capturing backflow of a supply of particles to be analyzed includes steps of venting the air supply, moving a test tube support and activating a pump.

REFERENCES:
patent: 3710933 (1973-01-01), Fulwyler et al.
patent: 4071298 (1978-01-01), Falconer
patent: 4352558 (1982-10-01), Eisert

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