Integral bearing unit made from a slippery/polymer alloy

Details Integral bearing unit made from a slippery/polymer alloy Integral bearing unit made from a slippery/polymer alloy

2007-11-02

2009-02-17

Hannon, Thomas R (Department: 3682)

Bearings

Rotary bearing

Water lubricated propellor shaft or well shaft

Reexamination Certificate

active

07490992

ABSTRACT:
A bearing unit for holding a shaft, the bearing unit having a housing and integral lands extending inwardly from the inner surface of the housing for tangentially engaging the rotating shaft, the bearing unit being made from a slippery polymer alloy comprising a heterogeneous composition of a thermoplastic in a continuous phase, a thermoplastic rubber compound dispersed in the thermoplastic and a lubricant dispersed in the thermoplastic.

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patent: 6626573 (2003-09-01), Orndorff, Jr.
Friction, Wear, Lubrication, a Textbook in Tribology, Ludema, Kenneth C., CRC Press.
New Extended Life Water Lubricated Bearings, Using a High Performance Polymer Alloy, Orndorff, Jr., Roy L. and Sheppert, Richard V.
Naval Engineers Journal, “Water-Lubricated Rubber Bearings, History and New Developments,” Orndorff, Jr., Roy L., Nov. 1985.
The Royal Institution of Naval Architects, “Warship '96 International Symposium on Naval Submarines 5 ‘The Total Weapon System,”’ London, Jun. 12-14, 1996.

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