Plain bearing between two parts which are movable with...

Details Plain bearing between two parts which are movable with... Plain bearing between two parts which are movable with...

2006-04-14

2009-12-01

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C384S625000, C029S898130

Reexamination Certificate

active

07625176

ABSTRACT:
The present invention relates to a plain bearing between two parts movable with respect to each other, the first part having a first bearing element made from a first metal and the second part having a second bearing element made from a second metal of higher hardness. The first bearing element has a surface layer hardened by strain hardening. As a result of the invention, the wear between the parts can be reduced and their life can be substantially lengthened. The invention can be advantageously applied to cases in which the first part is a variable-setting diffuser blade and the second part is a gas turbine casing.

REFERENCES:
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patent: 5735603 (1998-04-01), Kesig et al.
patent: 6271612 (2001-08-01), Tanaka et al.
patent: 6341896 (2002-01-01), Miura et al.
patent: 2003/0170115 (2003-09-01), Bowen et al.
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patent: 0 299 854 (1989-01-01), None
patent: 0 579 522 (1994-01-01), None
patent: 0579522 (1994-01-01), None
patent: 10176204 (1998-06-01), None

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