Nozzle repair to reduce fretting

Details Nozzle repair to reduce fretting Nozzle repair to reduce fretting

2009-02-20

2011-10-25

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

C239S001000

Reexamination Certificate

active

08042752

ABSTRACT:
A method repair for reducing fretting of a fuel nozzle of a gas turbine engine, including attaching at least one stiffening element to an outer surface of a portion of a stem member of the fuel nozzle, with a size and shape of the at least one stiffening element being selected such that a first natural frequency of the fuel nozzle with the at least one stiffening element attached thereto is outside the engine running frequency range.

REFERENCES:
patent: 5540547 (1996-07-01), Cole
patent: 5996352 (1999-12-01), Coughlan et al.
patent: 6026645 (2000-02-01), Stokes et al.
patent: 6038862 (2000-03-01), Melman et al.
patent: 6141968 (2000-11-01), Gates et al.
patent: 6145762 (2000-11-01), Orloff et al.
patent: 6253555 (2001-07-01), Willis
patent: 6272842 (2001-08-01), Dean
patent: 6282904 (2001-09-01), Kraft et al.
patent: 6434945 (2002-08-01), Mandai et al.
patent: 6672073 (2004-01-01), Wiebe
patent: 6705087 (2004-03-01), Ohri et al.
patent: 6820431 (2004-11-01), Mcmanus et al.
patent: 6886346 (2005-05-01), Sobieski et al.
patent: 7197877 (2007-04-01), Moraes
patent: 7316117 (2008-01-01), Ohri
patent: 2007/0000228 (2007-01-01), Ohri et al.
patent: 2007/0039325 (2007-02-01), Lehtinen et al.

Affiliated with

Also associated with

Rating

Nozzle repair to reduce fretting does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4275865