[특허]Multi passage fuel manifold and methods of construction

Woodward, Inc.

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특허 상세정보

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Multi passage fuel manifold and methods of construction

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-001/00 F02G-003/00
미국특허분류(USC)	060/739; 060/761; 060/762; 060/763; 060/764; 060/765; 060/766; 060/740
출원번호	US-0200039 (2008-08-28)
등록번호	US-8234873 (2012-08-07)
발명자 / 주소	Houtman, Kenneth N. Lee, Fei Philip
출원인 / 주소	Woodward, Inc.
대리인 / 주소	Reinhart Boerner Van Deuren P.C.
인용정보	피인용 횟수 : 6 인용 특허 : 3

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Integrally formed, multi zone fuel manifolds for gas turbine engines and methods of construction are provided. The fuel manifold includes a plurality of annular channel members positioned adjacent each other, aligned and coupled together at the inner and outer peripheral sides thereof, with each pair of channel members defining a separate fluid conduit or passage within the manifold assembly. The fuel manifold can be constructed of any number of stacked and secured channel members to provide a compact multi zone fuel manifold having the desired number of...

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1. A fuel manifold for a gas turbine engine comprising: a first annular end channel member having an inner peripheral edge, an outer peripheral edge and an elongated, open recess formed therebetween;at least one intermediate annular channel member having an inner peripheral edge, an outer peripheral edge, and first and second opposing open, elongated recesses formed therebetween, wherein the at least one intermediate channel member is secured to the first end channel member along the inner peripheral edges and outer peripheral edges thereof, respectively, wherein the open recess in the end channel member and the first open recess of the intermediate channel member are disposed facing each other and cooperate to define a first enclosed fluid passage; anda second annular end channel member having an inner peripheral edge, an outer peripheral edge and an elongated, open recess formed therebetween, wherein the second annular end channel member is secured to the intermediate channel member along each of the inner peripheral edge and outer peripheral edge thereof, respectively, wherein the second open recess of the intermediate channel member faces the open recess of the second end channel member to define an additional enclosed fluid passage. 2. The fuel manifold of claim 1, wherein the first and second annular channel members are substantially U-shaped, each including first and second arms and a flat portion positioned therebetween, wherein a continuous inner surface of the first arm, the flat portion and the second arm defines the open recess therein. 3. The fuel manifold of claim 1, wherein the at least one intermediate channel member is substantially H-shaped, each including first and second arms and a flat portion positioned therebetween, wherein a first continuous inner surface of the first arm, the flat portion and the second arm defines the first open recess therein and wherein a second continuous inner surface of the first arm, the flat portion and the second arm defines the second open recess therein. 4. The fuel manifold of claim 1, wherein the open recess of the first end channel member is the same width dimension as the first open recess of the at least one intermediate channel member. 5. The fuel manifold of claim 1, wherein the open recess of the second end channel member is the same width dimension as the second open recess of the at least one intermediate channel member. 6. The fuel manifold of claim 1, wherein the first open recess of the at least one intermediate channel member has a greater depth dimension than the second open recess of the at least one intermediate channel member. 7. The fuel manifold of claim 1, wherein each of the enclosed fluid passages have substantially similar width and depth dimension and are substantially aligned within the assembled fuel manifold. 8. The fuel manifold of claim 1, wherein each of the first and second end channel members and each of the at least one intermediate channel members are formed of a single piece of material. 9. The fuel manifold of claim 1, wherein the first end channel member, the at least one intermediate channel member and the second end channel member are secured together along each of the inner peripheral edges by one of welding, brazing and bonding, and wherein the first end channel member, the at least one intermediate channel member and the second end channel member are secured together along each of the outer peripheral edges thereof by one of welding, brazing and bonding. 10. The fuel manifold of claim 1, wherein two intermediate channel members are provided, wherein the first intermediate annular channel member has an inner peripheral edge, an outer peripheral edge, and first and second opposing open, elongated recesses formed therebetween, wherein the first intermediate channel member is secured to the first end channel member along the inner peripheral edges and outer peripheral edges thereof, respectively, wherein the open recess in the end channel member and the first open recess of the first intermediate channel member are disposed facing each other and cooperate to define the first enclosed fluid passage; and wherein the second intermediate annular channel member has an inner peripheral edge, an outer peripheral edge, and first and second opposing open, elongated recesses formed therebetween, wherein the second intermediate channel member is secured to the first intermediate channel member along the inner peripheral edges and outer peripheral edges thereof, respectively, and wherein the second open recess in the first intermediate channel member and the first open recess of the second intermediate channel member are disposed facing each other and cooperate to define a second enclosed fluid passage. 11. The fuel manifold of claim 1, wherein the first end channel member, the at least one intermediate channel member and the second end channel member are secured together to provide four enclosed fluid channels. 12. The fuel manifold of claim 1, further comprising at least one inlet provided in each of the first and second enclosed fluid passages, and at least one outlet provided in each of the first and second enclosed fluid passages. 13. A multi zone fuel delivery manifold for use in a main combustor or fuel augmentor for a gas turbine engine, the multi zone fuel delivery manifold comprising: a first end member formed in the shape of a ring having an inner circumferential edge and an outer circumferential edge, the first end member having a substantially U-shaped cross section defining an open recess;an intermediate member formed in the shape of a ring having an inner circumferential edge and an outer circumferential edge, the intermediate member having a substantially H-shaped cross section defining a first open recess and a second open recess, the inner circumferential edge of the intermediate member sealingly joined to the inner circumferential edge of the first end member and the outer circumferential edge of the intermediate member sealingly joined to the outer circumferential edge of the first end member forming a first fluid passage; anda second end member formed in the shape of a ring having an inner circumferential edge and an outer circumferential edge, the second end member having a substantially U-shaped cross section defining an open recess; wherein the inner circumferential edge of the second end member is sealingly joined to the inner circumferential edge of the intermediate member and the outer circumferential edge of the second end member is sealingly joined to the outer circumferential edge of the intermediate member forming a second fluid passage. 14. The multi zone fuel delivery manifold of claim 13, wherein the first end member, the intermediate member and the second end member have substantially similar inner diameter dimensions and outer diameter dimensions such that the fuel deliver manifold is provided with substantially smooth inner and outer peripheral surfaces. 15. The multi zone fuel delivery manifold of claim 13, wherein the first end member, the intermediate member and the second end member are secured together by one of welding, brazing and bonding. 16. The multi zone fuel delivery manifold of claim 13, further comprising at least one inlet provided in each of the first and second enclosed fluid passages, and at least one outlet provided in each of the first and second enclosed fluid passages. 17. The multi zone fuel delivery manifold of claim 13, further comprising; a second intermediate member formed in the shape of a ring having an inner circumferential edge and an outer circumferential edge, the second intermediate member having a substantially H-shaped cross section defining a first open recess and a second open recess, wherein the second intermediate member is secured within the manifold between the first intermediate member and the second end member. 18. A method for constructing a multi passage fuel manifold, the method comprising: forming first and second end ring-shaped end members, each end member having an inner circumferential edge and an outer circumferential edge and an open recess formed therebetween;forming at least one ring-shaped intermediate member including an inner circumferential edge and an outer circumferential edge and having a first open recess and a second, opposite open recess formed therebetween;securing the at least one intermediate member to the first end member along their respective inner circumferential edges and outer circumferential edges, wherein the open recess in the end member and the first open recess of the at least one intermediate channel member are disposed facing each other and cooperate to define a first enclosed fluid passage; andsecuring the second end member to the at least tone intermediate member along their respective inner circumferential edges and outer circumferential edges, wherein the open recess in the second end member and the second open recess of the at least one intermediate channel member are disposed facing each other and cooperate to define a second enclosed fluid passage. 19. The method of claim 18, wherein the members are secured together by one of welding, brazing and diffusion bonding. 20. The method of claim 18, further comprising providing at least one inlet and at least one outlet in each of the first and second enclosed fluid passages.

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이 특허를 인용한 특허 피인용횟수: 6

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Multi passage fuel manifold and methods of construction

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Multi passage fuel manifold and methods of construction

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이 특허에 인용된 특허 (3)

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