Composite shaft

Details Composite shaft Composite shaft

2007-09-11

2007-09-11

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Method of operation

C415S104000, C415S107000, C415S175000, C415S177000, C415S229000, C415S216100, C417S373000, C417S407000, C384S317000, C384S476000, C384S900000

Reexamination Certificate

active

10834611

ABSTRACT:
A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner surface of a bearing journal; the heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; the heat conductive sleeve having a first end separated from a second end longitudinally about a center axis; the sleeve outer surface being in physical contact with the inner surface of the bearing journal; and the heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of the bearing journal.

REFERENCES:
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patent: 6151909 (2000-11-01), Carter et al.
patent: 6190048 (2001-02-01), Weissert

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