Low-Cost Shaft Sealing With Shop Air

[+] Author and Article Information
W. J. Courtney

ITT Research Institute, Chicago, Ill.

J. of Lubrication Tech 96(2), 228-229 (Apr 01, 1974) (2 pages) doi:10.1115/1.3451933 History: Received June 29, 1973; Online October 18, 2010


This paper elucidates a method of using shop air to seal oil lubricated bearings. A graphical solution of Rayleigh’s equation is presented as a design aid. The efficacy of this sealing method is supported by experimental evidence derived during the development of an ultrahigh-vacuum high-speed rotary feedthrough.

Copyright © 1974 by ASME
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