DEVICE FOR FACILITATING DECREASE IN ACOUSTIC ACTION OF COMBUSTOR

Title:

DEVICE FOR FACILITATING DECREASE IN ACOUSTIC ACTION OF COMBUSTOR

Document Type and Number:

Japanese Patent JP2008089296

Kind Code:

A

Abstract:

To provide a method and device for facilitating a decrease in the acoustic action of a combustor.

A combustion system includes a pilot swirler 210 and a main swirler 230 coupled to the pilot swirler to substantially circumscribe the pilot swirler. The main swirler includes a first set of swirler vanes 240 inducing swirling to fuel supplied to a first fuel circuit, each swirler vane including a first fuel passage 242; a second set of swirler vanes inducing swirling to fuel supplied to a second fuel circuit formed in the main swirler, each swirler vane including a second fuel passage 248; and a shroud 260 coupled in flow communication with at least one of the first set of swirler vanes and the second set of swirler vanes, and including a third fuel passage 262.

Inventors:

MUELLER MARK A
HELD TIMOTHY J
KELSEY MARK PATRICK

Application Number:

JP2007254133A

Publication Date:

April 17, 2008

Filing Date:

September 28, 2007

Export Citation:

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Assignee:

GEN ELECTRIC

International Classes:

F23R3/12; F02C7/228; F23R3/18; F23R3/28

Domestic Patent References:

JPH06506760A	1994-07-28
JPH07180835A	1995-07-18
JP2003513223A	2003-04-08
JPH08166132A	1996-06-25
JPH06502240A	1994-03-10
JP2006144759A	2006-06-08
JPS63161318A	1988-07-05

Foreign References:

US5680766A	1997-10-28
US5675971A	1997-10-14

Attorney, Agent or Firm:

Kenichi Matsumoto
Hirokazu Ogura
Toshihisa Kurokawa
Arakawa Satoshi

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