Measuring and testing – Gas analysis – Gas chromatography
Patent
1995-01-23
1996-10-22
Williams, Hezron E.
Measuring and testing
Gas analysis
Gas chromatography
7386371, 137884, 137269, G01N 3004
Patent
active
055678688
ABSTRACT:
An analytical instrument preferably in the form of a chromatograph includes a computer, a pneumatic controller responsive to the computer, and planar manifold assembly. The planar manifold assembly includes one or more fluid-handling functional devices that may be surface mounted to a planar manifold. The fluid-handling functional device may be constructed as a valve, operable in response to a control signal from pneumatic controller for controlling fluid flow in selected fluid flow paths in the chromatograph, or as a sensor, a fluid regulator, a fluid flow input or output line, or the like.
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Craig Stephen R.
Henderson Robert C.
Welsh Paul B.
Dudley Mark Z.
Hewlett--Packard Company
Politzer Jay L.
Williams Hezron E.
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