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Improved Seal for NTF Fan ShaftNew seal more effective and lasts longer. Seal consists of five felt rings interspersed with four polytetrafluoroethylene rings having inner diameter slightly larger than shaft. Spaces between polytetrafluoroethylene rings and shaft produce labyrinth effect, which increases degree of sealing.
Document ID
19860000174
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Crossley, E. A., Jr. (North Carolina State University)
Jones, J. A.
Messier, R.
Johnson, G. W.
Felton, K.
Date Acquired
August 12, 2013
Publication Date
June 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 2
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
LAR-13218
Accession Number
86B10174
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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