Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Patent
1998-12-22
2000-04-11
Lee, Kevin
Fluid handling
Processes
With control of flow by a condition or characteristic of a...
137606, 1376242, G05D 1113
Patent
active
060477199
ABSTRACT:
In a gas mixing system for producing high-precision, continuous streams of mixed gas consisting of a plurality of individually metered gas components, with an individual gas line including a pressure reducing element and, if desired, a precision pressure regulator for each gas component, precision is further improved by providing that each gas line lead to a separate valve which is timed by electronic control means, the valves being connected at the input side via a jointly vented system of lines for pressure equalization, and communicating at the output side via a mixed gas line with a mixing chamber downstream thereof.
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Raith Roland
Ruther Horst
AVL Medical Instruments AG
Lee Kevin
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