Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Labyrinth seal
Reexamination Certificate
2007-02-13
2007-02-13
Nguyen, Hoang (Department: 3748)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Labyrinth seal
C415S230000
Reexamination Certificate
active
11110734
ABSTRACT:
An integrated double seal assembly includes a carbon seal ring and at least one annular labyrinth seal fin. The seal provides a compact solution for sealing a rotating shaft.
REFERENCES:
patent: 2948555 (1960-08-01), Wright
patent: 3122374 (1964-02-01), McGahan
patent: 3964753 (1976-06-01), Junker et al.
patent: 4088329 (1978-05-01), Junker
patent: 4142731 (1979-03-01), Filippov et al.
patent: 4257617 (1981-03-01), Hill
patent: 4406466 (1983-09-01), Geary, Jr.
patent: 4491331 (1985-01-01), Salant et al.
patent: 4749199 (1988-06-01), Gresh
patent: 5174584 (1992-12-01), Lahrman
patent: 5498007 (1996-03-01), Kulkarni et al.
patent: 5501470 (1996-03-01), Fuse et al.
patent: 5527045 (1996-06-01), Pondelick et al.
patent: 5934683 (1999-08-01), Sieghartner
patent: 6142729 (2000-11-01), Tran et al.
patent: 6330790 (2001-12-01), Arora et al.
patent: 6446976 (2002-09-01), Key et al.
Gekht Eugene
Labbe Michel
Nguyen Hoang
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
LandOfFree
Integrated labyrinth and carbon seal does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Integrated labyrinth and carbon seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Integrated labyrinth and carbon seal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3858447