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Screw-Thread Inserts As Temporary Flow RestrictorsCoil-spring screw-thread inserts found useful as temporary flow restrictors. Inserts placed in holes through which flow restricted, effectively reducing cross sections available for flow. Friction alone holds inserts against moderate upstream pressures. Use of coil-spring thread inserts as flow restrictors conceived as inexpensive solution to problem of adjusting flow of oxygen through orifices in faceplate into hydrogen/oxygen combustion chamber. Installation and removal of threaded inserts gentle enough not to deform orifice tubes.
Document ID
19920000703
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Trimarchi, Paul (NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 15, 2013
Publication Date
November 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 11
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LEW-15293
Accession Number
92B10703
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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