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Strong, Ductile Rotor For Cryogenic FlowmetersImproved magnetic flowmeter rotor resists cracking at cryogenic temperatures, yet provides adequate signal to magnetic pickup outside flowmeter housing. Consists mostly of stainless-steel alloy 347, which is ductile and strong at low temperatures. Small bead of stainless-steel alloy 410 welded in groove around circumference of round bar of stainless-steel alloy 347; then rotor machined from bar. Tips of rotor blades contain small amounts of magnetic alloy, and passage of tips detected.
Document ID
19930000669
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Royals, W. T.
(United Technologies Corp.)
Date Acquired
August 16, 2013
Publication Date
October 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 10
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MFS-28675
Accession Number
93B10669
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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