Liner for a gas turbine engine combustor having trapped...

Details Liner for a gas turbine engine combustor having trapped... Liner for a gas turbine engine combustor having trapped...

2005-02-08

2005-02-08

Freay, Charles G. (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S752000, C060S755000

Reexamination Certificate

active

06851263

ABSTRACT:
A liner for a gas turbine engine combustor having a trapped vortex cavity formed therein, wherein a dome plate is positioned at an upstream end of the combustor, includes: a first portion positioned adjacent and connected to the dome plate, wherein the first liner portion extends downstream from and substantially perpendicular to the dome plate; a second portion extending substantially perpendicular to the first liner portion and substantially parallel to the dome plate; a first arcuate portion having a predetermined radius located between the first and second liner portions; a third portion extending downstream and substantially perpendicular to the second liner portion; and, a second arcuate portion located between the second and third liner portions; wherein the first liner portion, the second liner portion, the first arcuate liner portion and a portion of the dome plate form the trapped vortex cavity.

REFERENCES:
patent: 5323602 (1994-06-01), Defever
patent: 5619855 (1997-04-01), Burrus
patent: 5791248 (1998-08-01), Atkins et al.
patent: 5857339 (1999-01-01), Roquemore et al.
patent: 6286298 (2001-09-01), Burrus et al.
patent: 6286317 (2001-09-01), Burrus et al.
patent: 6295801 (2001-10-01), Burrus et al.
patent: 6334298 (2002-01-01), Aicholtz
patent: 6401447 (2002-06-01), Rice et al.

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