A fuel supply manifold of a gas turbine engine, a method for assembling a fuel supply manifold for a gas turbine engine, and a gas turbine engine are disclosed. The fuel supply manifold for the gas turbine engine man include a plurality of fuel supply tubes, a fitting connecting at least two members
A fuel supply manifold of a gas turbine engine, a method for assembling a fuel supply manifold for a gas turbine engine, and a gas turbine engine are disclosed. The fuel supply manifold for the gas turbine engine man include a plurality of fuel supply tubes, a fitting connecting at least two members of the plurality of fuel supply tubes, a bracket attached to the fitting, a bearing housing having a ball bearing, a bushing attached to a diffuser case of the gas turbine engine, wherein the bushing is surrounded by the ball bearing, and a removable fastener to connect the bearing housing to the bracket.
대표청구항▼
1. A fuel supply manifold assembly for a gas turbine engine, the fuel supply manifold assembly comprising: a plurality of fuel supply tubes;a fitting connecting at least two members of the plurality of fuel supply tubes;a bracket attached to the fitting;a bearing housing including a ball bearing;a b
1. A fuel supply manifold assembly for a gas turbine engine, the fuel supply manifold assembly comprising: a plurality of fuel supply tubes;a fitting connecting at least two members of the plurality of fuel supply tubes;a bracket attached to the fitting;a bearing housing including a ball bearing;a bushing configured to attach to a diffuser case of the gas turbine engine, wherein the bushing is surrounded by the ball bearing; anda removable fastener to connect the bearing housing to the bracket. 2. The fuel supply manifold assembly of claim 1, wherein the bearing housing further includes a bearing race radially surrounding the ball bearing. 3. The fuel supply manifold assembly of claim 1, wherein the ball bearing is a spherical ball bearing. 4. The fuel supply manifold assembly of claim 1, wherein the bearing housing further comprises a connective insert to accept the removable fastener. 5. The fuel supply manifold assembly of claim 4, wherein the connective insert is a helicoil insert. 6. The fuel supply manifold assembly of claim 1, wherein the ball bearing is inserted into the bearing housing by press-fitting. 7. The fuel supply manifold assembly of claim 1, further comprising a second plurality of fuel supply tubes. 8. The fuel supply manifold assembly of claim 7, wherein the fitting connects at least two members of the plurality of fuel supply tubes and connects at least two members of the second plurality of fuel supply tubes. 9. The fuel supply manifold assembly of claim 7, wherein the fitting is a double-barrel fitting. 10. The fuel supply manifold assembly of claim 1, wherein at least one of the at least two members of the plurality of fuel supply tubes is a straight tube. 11. The fuel supply manifold assembly of claim 1, wherein at least one of the at least two members of the plurality of fuel supply tubes is a bent tube. 12. A gas turbine engine, comprising: a fan section;a compressor section downstream of the fan section;a combustor downstream of the compressor section, the combustor comprising:a diffuser case; anda fuel supply manifold assembly comprising:a plurality of fuel supply tubes;a fitting connecting at least two members of the plurality of fuel supply tubes;a bracket attached to the fitting;a bearing housing including a ball bearing;a bushing attached to the diffuser case, wherein the bushing is surrounded by the ball bearing; anda removable fastener to connect the bearing housing to the bracket; anda turbine section downstream of the combustor section. 13. The gas turbine engine of claim 12, wherein the combustor section further comprises a fuel injector. 14. The gas turbine engine of claim 13, wherein the fuel injector is connected to the fitting. 15. The gas turbine engine of claim 13, wherein the fuel injector receives fuel from the fuel supply manifold assembly, the fuel communicated to the fuel injector by a fuel circuit. 16. The gas turbine engine of claim 13, wherein the fuel injector is a duplex fuel injector. 17. A method for assembling a fuel supply manifold around a diffuser case of a gas turbine engine, the method comprising: constructing a plurality of fuel supply tubes;connecting at least two members of the plurality of fuel supply tubes using a fitting;attaching a bracket to the fitting;connecting a bearing housing to the bracket using a removable fastener, the bearing housing including a ball bearing; andattaching a bushing to the diffuser case, wherein the bushing is surrounded by the ball bearing. 18. The method according to claim 17, further comprising assembling the bearing housing by press-fitting the ball bearing in to the bearing housing. 19. The method according to claim 17, wherein the bracket is attached to the fitting by brazing. 20. The method according to claim 17, further comprising attaching the bushing to the bearing housing using a bushing fastener.
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이 특허에 인용된 특허 (2)
Zaremba Henry V. (Tempe AZ) Lucas Lonnie J. (Chandler AZ) Catmull Paul B. (Gilbert AZ) McAdams Maynard L. (Chandler AZ) Johnson Karl P. (Tempe AZ), Apparatus for use in a fuel delivery system for a gas turbine engine.
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