Fred E Fuller

US Patent:

63220814, Nov 27, 2001

Filed:

Jul 11, 1997

Appl. No.:

8/903185

Inventors:

M Rifat Ullah - Phoenix AZ
Michael F. O'Brien - Goodyear AZ
Fred Fuller - Phoenix AZ
Gary Boyd - Durango CO

Assignee:

Ceramic Engineering Consulting, Inc. - Durango CO

International Classification:

F16J 1516

US Classification:

277504

Abstract:

A circumferential seal for sealing between a rotating shaft and a stationary housing circumscribing the shaft. The seal comprises a stator mounted to said housing and having a radially inward facing carbon portion and a rotor with a ceramic sealing member having a radially outward facing surface in rubbing contact with said carbon portion. The rotor also includes a metal clamping means for mounting the ceramic sealing member to the shaft. The clamping means includes an axial flexible clamping member, and a radial flexible clamping member that together clamp onto a mounting flange of the ceramic sealing member when exposed to the compressive force of a lockup assembly.