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Publication Title | Ulllted States Patent [19] [1] PatentNumber: 6,016,658 Willisetal. [45] DateofPatent: Jan.25,2000

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Search Completed | Title | Ulllted States Patent [19] [1] PatentNumber: 6,016,658 Willisetal. [45] DateofPatent: Jan.25,2000
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Text | Ulllted States Patent [19] [1] PatentNumber: 6,016,658 Willisetal. [45] DateofPatent: Jan.25,2000 | 001



US006016658A

Ulllted States Patent [19] [1] PatentNumber: 6,016,658 Willisetal. [45] DateofPatent: Jan.25,2000

[54]LOWEMISSIONSCOMBUSTIONSYSTEM 4,044,5538/1977Vaught..60/748

FORAGASTURBINEENGINE

[75] Inventors:Je?'reyW.Willis;GuillermoPont, _

githAofoll??gjflecs’ahp'fruceL‘Alder’

4,638,636 1/1987Cohen.. 4,928,479 5/1990 Shekletoneta1.

60/748 60/756

" g ’

'

5,222,357 6/1993 Eddy 618.1. .

5,235,814 8/1993 Leonard .....

5,611,684 3/1997Spielman

5,850,732 12/1998 Williseta1...60/756

PrimaryExaminer—TedKim

Attorney, Agent, or Firm—A1bert J. Miller

[57] ABSTRACT

_ _ _ _

A loW emissions combustion system for a gas turbine

engine, including a generally annular cornbustor With a plurality of tangential fuel injectors to introduce a fuel/air

“11mm The annularcolnbustolincludes?51998199 ?ew

,

[73] AsslgneeZCapstonemrbmecorporatlom

WoodlandH1115,Cahf-

[21] Appl.No.:09/182,966

_

[22] Filed: Oct.8,1998

Related US. Application Data

[62] DivisionofapplicationNo.08/855,210,May 13,1997,1381. No. 5,850,732.

[51] Int.cl.7 .F02K3/14;F02K3/32;

60/746 60/742 60/737

_

_

FOZK3/36 ctontrolbaflefrorintheILIHEI‘lflneranda1;kdlkitlon§lo]esin [52]us.Cl...60/737;60/748;60/756; temu.“196mmem?“teOW90mm aean“Om

[56]

, References Clted

U5, PATENT DOCUMENTS

1g; gu?ther """"""""""""""""""" a ....................................... ..

60/742; 239/405; 239/433; 239/434 FleldofSearch ..

60/746’ 747’ 748’ 756’ 760’ 742’ 239/405’ 424'5’ 433’ 434

the cylindrical outer liner. The fuel injectors extend through

..

the recuperator housing and into the cornbustor through an

angled tube and then through a tangential in the cylindrical outer liner of the cornbustor housing. The fuel injectorsgenerallycompriseanelongatedinjectortubeWith the outer end including a coupler having at least one fuel inlet tube. Compressed combustion air is provided to the interior of the elongated injector tube from either holes or slits therein Which receive compressed air from the angled tube around the fuel injector Which is open to the space

~

between the recuperator housing and the cornbustor.

37 Claims, 12 Drawing Sheets

_

, ,

275937849 4/1952Clarkeeta1‘'

6O/738

2,946,185 7/1960 Bayer ..

4,007,002 2/1977 Schirmer ..60/748

239/433

513119599“--

, , or OWlCZ ................................

- 5,214,911 6/1993 Shekleton.60/737

55 r 81

62

64

Image | Ulllted States Patent [19] [1] PatentNumber: 6,016,658 Willisetal. [45] DateofPatent: Jan.25,2000



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