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Microprocessor-Based Valved ControllerNew controller simpler, more precise, and lighter than predecessors. Mass-flow controller compensates for changing supply pressure and temperature such as occurs when gas-supply tank becomes depleted. By periodically updating calculation of mass-flow rate, controller determines correct new position for valve and keeps mass-flow rate nearly constant.
Document ID
19870000192
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Norman, Arnold M., Jr. (Rockwell International Corp.)
Date Acquired
August 13, 2013
Publication Date
April 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 4
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-29172
Accession Number
87B10192
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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