Method and apparatus for as-cast seal on turbine blades

Metal founding – Process – Shaping a forming surface

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C164S122200, C164S361000

Reexamination Certificate

active

07918265

ABSTRACT:
An investment casting mold article includes a wall for retaining casting material and a cavity defined by the wall. The cavity includes an airfoil portion, a root portion adjacent to the airfoil portion, and a labyrinth seal portion extending from the root portion.

REFERENCES:
patent: 3853425 (1974-12-01), Scalzo et al.
patent: 3981344 (1976-09-01), Hayes et al.
patent: 4062638 (1977-12-01), Hall, Jr.
patent: 4116723 (1978-09-01), Gell et al.
patent: 4469160 (1984-09-01), Giamei
patent: 4813470 (1989-03-01), Chiang
patent: 5062469 (1991-11-01), Monte et al.
patent: 5295530 (1994-03-01), O'Connor et al.
patent: 5489194 (1996-02-01), Yoshinari et al.
patent: 5967745 (1999-10-01), Tomita et al.
patent: 6984112 (2006-01-01), Zhang et al.
patent: 7121800 (2006-10-01), Beattie
patent: 7231955 (2007-06-01), Bullied et al.
patent: 7264036 (2007-09-01), Chang et al.
patent: 2005/0186074 (2005-08-01), Tomita et al.
patent: 2006/0275106 (2006-12-01), Alvanos et al.
patent: 2006/0275107 (2006-12-01), Alvanos et al.
patent: 2006/0275108 (2006-12-01), Memmen et al.
patent: 2007/0098545 (2007-05-01), Alvanos et al.
patent: 2008/0263863 (2008-10-01), Rose
patent: 179649 (1986-04-01), None
patent: 1 510 271 (2005-03-01), None
patent: 1 764 484 (2007-03-01), None
patent: 2 010 404 (1979-06-01), None
patent: 2194000 (1988-02-01), None
patent: 2 307 520 (1997-05-01), None
Official Search Report and Written Opinion of the European Patent Office in counterpart foreign Application No. 09250238.4 filed Jan. 29, 2009.

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

Method and apparatus for as-cast seal on turbine blades does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for as-cast seal on turbine blades, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for as-cast seal on turbine blades will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2712932

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