Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between shaft or shaft sleeve and... – Seal
Patent
1998-07-27
2000-04-25
Verdier, Christopher
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between shaft or shaft sleeve and...
Seal
4151742, 4151745, 415230, F01D 1100
Patent
active
060536993
ABSTRACT:
A steam turbine having a shaft and a first (e.g., high-pressure) turbine section. A first embodiment also includes a first bearing longitudinally spaced apart from the first turbine section and further includes a first brush-seal assembly, having bristles, longitudinally positioned between the first turbine section and the first bearing and radially positioned proximate the shaft. The steam turbine is devoid of any backup seal to the bristles. In a second embodiment, a second brush seal assembly is positioned between the first and second (e.g., intermediate-pressure) turbine sections which lack any intervening bearing.
REFERENCES:
patent: 885032 (1908-04-01), Ferranti
patent: 1757212 (1930-05-01), Parsons et al.
patent: 3778182 (1973-12-01), Hohn et al.
patent: 5613829 (1997-03-01), Wolfe et al.
patent: 5630590 (1997-05-01), Bouchard et al.
patent: 5678898 (1997-10-01), Bagepalli et al.
Application entitled, "Anti-Hysteresis Brush Seal", Serial No. 08/928,114; filed Sep. 12, 1997.
Application entitled, "Brush Seal for High-Pressure Rotor Applications", Serial No. 08/967,640; filed Nov. 10, 1997.
Application entitled, "Brush Seal for Use on Bumpy Rotating Surfaces", Serial No. 08/950,082; filed Oct. 14, 1997.
Application entitled, "Brush Seal for Use on Rough Rotating Surfaces", Serial No. 08/942,887, filed Oct. 2, 1997.
Cornell Daniel Richard
Cromer Robert Harold
Dinc Osman Saim
Reluzco George Ernest
Robbins Kenneth Elmer
Erickson Douglas E.
General Electric Company
Snyder Marvin
Verdier Christopher
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