Disclosed is a gas turbine engine including a plurality of inlet guide vanes. The gas turbine engine further includes an inlet case supporting each of the plurality of inlet guide vanes, and the inlet case is provided with at least one passageway in communication with a source of fluid. The at least
Disclosed is a gas turbine engine including a plurality of inlet guide vanes. The gas turbine engine further includes an inlet case supporting each of the plurality of inlet guide vanes, and the inlet case is provided with at least one passageway in communication with a source of fluid. The at least one passageway is configured to communicate the fluid to each of the plurality of inlet guide vanes.
대표청구항▼
1. A gas turbine engine, comprising: a plurality of inlet guide vanes; andan inlet case supporting each of the plurality of inlet guide vanes, the inlet case being provided with at least one passageway in communication with a source of fluid, the at least one passageway configured to communicate the
1. A gas turbine engine, comprising: a plurality of inlet guide vanes; andan inlet case supporting each of the plurality of inlet guide vanes, the inlet case being provided with at least one passageway in communication with a source of fluid, the at least one passageway configured to communicate the fluid to each of the plurality of inlet guide vanes, wherein the at least one passageway is configured to communicate fluid to a portion of a first inlet guide vane and to then communicate at least some of the same fluid downstream of the portion of the first inlet guide vane to a second inlet guide vane. 2. The gas turbine engine as recited in claim 1, wherein each of the plurality of inlet guide vanes includes an internal passageway. 3. The gas turbine engine as recited in claim 2, wherein the at least one passageway of the inlet case is configured to communicate the fluid to each of the internal passageways of the plurality of inlet guide vanes. 4. The gas turbine engine as recited in claim 1, including a split case mounted to the inlet case by way of a plurality of fasteners, the inlet case provided with a plurality of recesses for receiving the plurality of fasteners. 5. The gas turbine engine as recited in claim 4, wherein the at least one passageway includes a plurality of angled portions extending from the plurality of recesses to one of the plurality of inlet guide vanes. 6. The gas turbine engine as recited in claim 5, wherein a space is provided between an end of a respective one of the plurality of recesses and a corresponding end of one of the plurality of fasteners such that a fluid can flow through the plurality of recesses. 7. The gas turbine engine as recited in claim 1, wherein each of the plurality of inlet guide vanes includes a vane stem mounted to the inlet case, and wherein each of the plurality of inlet guide vanes includes an axial passageway extending generally perpendicular to an engine central axis. 8. The gas turbine engine as recited in claim 7, wherein each of the plurality of inlet guide vanes includes a perpendicular passageway provided in the vane stem thereof, the perpendicular passageway in fluid communication with the axial passageway and the at least one passageway, the perpendicular passageway extending generally perpendicular to the axial passageway. 9. The gas turbine engine as recited in claim 1, wherein the fluid is an anti-ice fluid. 10. The gas turbine engine as recited in claim 9, wherein the anti-ice fluid is sourced from one of (1) a compressor section of the gas turbine engine, (2) a combustion section of the gas turbine engine, and (3) a turbine section of the gas turbine engine. 11. The gas turbine engine as recited in claim 1, wherein the portion of the first inlet guide vane is a vane stem. 12. The gas turbine engine as recited in claim 11, wherein the at least one passageway includes a first angled portion, a second angled portion, and a perpendicular passageway in fluid communication with the first angled portion and the second angled portion, the perpendicular passageway extending through the vane stem. 13. The gas turbine engine as recited in claim 12, wherein the perpendicular passageway is arranged generally perpendicular to an axis of the first inlet guide vane, the axis of the first inlet guide vane extending generally perpendicular to an engine central axis. 14. The gas turbine engine as recited in claim 12, wherein: the gas turbine engine includes a split case mounted to the inlet case by way of a plurality of fasteners, the inlet case provided with a plurality of recesses for receiving the plurality of fasteners; andthe first and second angled portions extend from respective recesses to the perpendicular passageway. 15. A method for supplying inlet guide vanes with fluid, comprising: providing a gas turbine engine including a plurality of inlet guide vanes and an inlet case supporting each of the plurality of inlet guide vanes, the inlet case being provided with at least one passageway; andproviding a flow of a fluid to the at least one passageway, the at least one passageway communicating the flow of fluid to the plurality of inlet guide vanes, wherein the at least one passageway is configured to communicate fluid to a vane stem of a first inlet guide vane and to then communicate at least some of the same fluid downstream of the vane stem of the first inlet guide vane to a second inlet guide vane. 16. The method as recited in claim 15, wherein each of the plurality of inlet guide vanes includes an internal passageway. 17. The method as recited in claim 16, wherein the flow of fluid is provided to each of the internal passageways of the inlet guide vanes. 18. A method for manufacturing a series of passageways for communicating fluid to inlet guide vanes, comprising: machining a plurality of angled passageways into an inlet case between a plurality of openings for receiving a stem of an inlet guide vane and a plurality of recesses for receiving fasteners;machining a perpendicular passageway through each of the stems; andmounting the inlet guide vanes relative to the inlet case such that the plurality of recesses, the plurality of angled passageways, and the perpendicular passageways are in fluid communication with one another. 19. The method as recited in claim 18, including providing a space at an end of a respective one of the plurality of recesses and a corresponding end of a split case fastener such that a fluid can flow through the plurality of recesses. 20. The method as recited in claim 18, wherein: each perpendicular passageway is in fluid communication with an axial passageway within each of the inlet guide vanes; andeach perpendicular passageway is arranged generally perpendicular to a respective axial passageway.
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이 특허에 인용된 특허 (7)
Graber Daryl J. (North Palm Beach FL) Mack Gregory J. (Palm Beach Gardens FL), Acoustical anti-icing system.
Courtot,Yannick Jean Roger; Marlin,Francois Marie Paul; Danielo,Jean Armand Francois, De-icing device for turbojet inlet guide wheel vane, vane provided with such a de-icing device, and aircraft engine equipped with such vanes.
Easley Sydney E. (Indianapolis IN) Heathco Craig E. (Indianapolis IN) Smith Clayton L. (Brownsburg IN), Inlet particle separator with anti-icing means.
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