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Augmentor spray bars

A supercharger and fuel injection pipe technology, which is applied in the direction of combustors, machines/engines, jet propulsion devices, etc.

Inactive Publication Date: 2007-01-10
UNITED TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Multiple fuel injector nozzles distributed along each conduit

Method used

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  • Augmentor spray bars
  • Augmentor spray bars
  • Augmentor spray bars

Examples

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Embodiment Construction

[0018] figure 1 A gas turbine engine 10 is shown comprising, from upstream to downstream and front to rear: a fan 11 , a compressor 12 , a combustor 14 , a turbine 16 and a supercharger 18 . Air entering the fan 11 is split between a central airflow 20 and a branch airflow 22 . Center airflow 20 is routed initially through compressor 12 and subsequently through combustor 14 and turbine 16 . Finally, the center airflow 20 passes through the supercharger 18 where additional fuel 19 is optionally added, mixed with the airflow 20 and combusted to add more energy to the airflow 20 and thus more thrust from the engine nozzles 24 . Thus, the central airflow 20 may be described as traveling along a path substantially parallel to an axis 26 of the engine 10 through the compressor 12 , combustor 14 , turbine 16 , and supercharger 18 . The bypass air 22 also travels along a path parallel to the axis 26 of the engine 10 through an annular sleeve 28 along the periphery of the engine 10 t...

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PUM

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Abstract

A gas turbine engine fueling system includes a number of spray bars having conduits extending through associated vanes. A number of fuel injector nozzles are along each conduit. Each of the nozzles are positioned to discharge an associated fuel stream from one of the sides of the associated vane. A number of wear members are each mounted relative to the associated one of the nozzles for a range of motion relative thereto. The wear members movably cooperate with the associated vane to accommodate operating deflection and / or tolerances of the spray bars and vanes.

Description

technical field [0001] This invention was made with United States Government support under contract N00019-02-C-3003 awarded by the United States Navy. The US Government has certain rights in this invention. [0002] The present invention relates to turbine engines, and in particular to turboengine augmentors. Background technique [0003] Afterburners or booster chambers are known in the industry. Various structures exist. In a typical construction, the exhaust from the turbine passes over the supercharger centerbody. Additional fuel is introduced adjacent to the centerbody and burned to provide additional thrust. In some constructions, the supercharger centerbody is integrated with the turbine centerbody. In other constructions, the supercharger centerbody is separated from the turbine centerbody by a conduit surrounding the annular space therebetween. US Patents 5,685,140 and 5,385,015 show exemplary integrated superchargers. [0004] The center body may contain a ...

Claims

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Application Information

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IPC IPC(8): F02K3/10
CPCF23D2211/00F23R3/20
Inventor M·J·穆尔多恩T·W·舍尔伍德M·H·哈里斯R·T·布鲁克斯
Owner UNITED TECH CORP
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