Bucket platform cooling circuit and method

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C416S19300A

Reexamination Certificate

active

07416391

ABSTRACT:
In a turbine bucket having an airfoil portion and a root portion with a platform at an interface between the airfoil portion and the root portion, a platform cooling arrangement including: a cooling passage defined in the platform to extend along at least a portion of a concave, pressure side of the airfoil portion, at least one cooling medium inlet to said cooling passage extending from an airfoil cooling medium cavity in a vicinity of an axial center of the airfoil portion, and at least one outlet opening for expelling cooling medium from said cooling passage.

REFERENCES:
patent: 5382135 (1995-01-01), Green
patent: 5536143 (1996-07-01), Jacala et al.
patent: 5639216 (1997-06-01), McLaurin et al.
patent: 5813835 (1998-09-01), Corsmeier et al.
patent: 5848876 (1998-12-01), Tomita
patent: 6019579 (2000-02-01), Fukuno et al.
patent: 6071075 (2000-06-01), Tomita et al.
patent: 6120249 (2000-09-01), Hultgren et al.
patent: 6132173 (2000-10-01), Tomita et al.
patent: 6190130 (2001-02-01), Fukue et al.
patent: 6196799 (2001-03-01), Fukue et al.
patent: 6309175 (2001-10-01), Hahnle et al.
patent: 6390774 (2002-05-01), Lewis et al.
patent: 6416284 (2002-07-01), Demers et al.
patent: 6422817 (2002-07-01), Jacala
patent: 6431833 (2002-08-01), Jones
patent: 6481967 (2002-11-01), Tomita et al.
patent: 6506020 (2003-01-01), Dailey
patent: 6641360 (2003-11-01), Beeck et al.
patent: 6805534 (2004-10-01), Brittingham
patent: 2006/0269409 (2006-11-01), Torii et al.
patent: 0 789 806 (1998-07-01), None
patent: 0 777 818 (1998-10-01), None
patent: 0 937 863 (2000-04-01), None
patent: 0 866 214 (2003-06-01), None
patent: 1 087 102 (2004-01-01), None
patent: 1 514 999 (2005-03-01), None
patent: 10252406 (1998-09-01), None
patent: 2001090501 (2001-04-01), None
U.S. Appl. No. 11/282,704, filed Nov. 21, 2005.

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

Bucket platform cooling circuit and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bucket platform cooling circuit and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bucket platform cooling circuit and method will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4013630

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