Labyrinth seal repair

Metal working – Method of mechanical manufacture – Impeller making

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C029S402020, C029S402080, C415S174500, C277S412000

Reexamination Certificate

active

07726021

ABSTRACT:
A method for repairing damaged fins in a labyrinth seal without the use of welding or metallurgical bonding by removing a section of the shaft containing the damaged fins, and providing a sleeve with replacement fins.

REFERENCES:
patent: 3846899 (1974-11-01), Gross
patent: 4320903 (1982-03-01), Ayache et al.
patent: 4449714 (1984-05-01), Meier
patent: 4606102 (1986-08-01), Riethmuller
patent: 4657171 (1987-04-01), Robins
patent: 5211535 (1993-05-01), Martin et al.
patent: 5222742 (1993-06-01), Roberts
patent: 5345484 (1994-09-01), Deaver et al.
patent: 5501573 (1996-03-01), Sanders
patent: 5630590 (1997-05-01), Bouchard et al.
patent: 5971703 (1999-10-01), Bouchard
patent: 6030175 (2000-02-01), Bagepalli et al.
patent: 6200689 (2001-03-01), Ferrigno et al.
patent: 6422815 (2002-07-01), Marler et al.
patent: 6654437 (2003-11-01), Mazuy
patent: 7025356 (2006-04-01), Cheung et al.
patent: 7430802 (2008-10-01), Tiemann
patent: 2004/0000761 (2004-01-01), Addis
patent: 2005/0169749 (2005-08-01), Coulon et al.
patent: WO 2005/028812 (2005-03-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Labyrinth seal repair does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Labyrinth seal repair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Labyrinth seal repair will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4249686

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.