Flow cell with leakage detection

Details Flow cell with leakage detection Flow cell with leakage detection

1994-07-05

1995-09-19

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356440, G01N 2105, G01M 304

Patent

active

054520827

ABSTRACT:
A flow cell for fiber optics spectroscopy having a radiation transparent window for the transmission of radiation uses a dual O-ring arrangement to prevent leakage of a medium undergoing evaluation around the window and a vent for indicating leakage between the O-rings. The arrangement also provides for the use of an O-ring to urge the window against a retainer that holds a lens to direct radiation into the window. Biasing of the window against the lens retainer and the use of a radial O-ring arrangement allows precise control of the separation between windows in the total path length for radiation travel across a fluid sample.

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patent: 5078493 (1992-01-01), Evens et al.
patent: 5120129 (1992-06-01), Farquharson et al.
patent: 5140169 (1992-08-01), Evens et al.

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