A Zero-Leakage Film Riding Face Seal

[+] Author and Article Information
A. Lipschitz

M.T.L.M. Mechanics Karmiel Ltd., Karmiel, 20101, Israel

J. Tribol 107(3), 326-330 (Jul 01, 1985) (5 pages) doi:10.1115/1.3261063 History: Received March 19, 1984; Online October 29, 2009


A new [1] zero-leakage film riding mechanical face seal is presented. The seal serves as a static-contacting seal while the machine shaft is in stand-still and turns into a film riding dynamic seal by lifting off the rotor surface to a few micro-meters gap once motion has begun. The dynamic sealing as well as lifting capabilities stem from inter-connected hydro-dynamic bearings which are circumferentially distributed around the annular stator face. Approximate calculations together with preliminary experimental results are shown and analyzed.

Copyright © 1985 by ASME
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