Variable geometry ejector for a bleed air system using integral ejector exit pressure feedback

The present invention generally relates to bleed air systems and, more specifically, to a system and method of using a variable geometry ejector for a bleed air system which utilizes a minimal amount of high-pressure air, thus improving the overall engine cycle performance. This is accomplished thro...

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Bibliographic Details
Main Authors Anderson, Morris G, Banta, Paul W, Brackin, James W, Romano, Robert, Zmora, David W
Format Patent
LanguageEnglish
Published 09.03.2004
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Summary:The present invention generally relates to bleed air systems and, more specifically, to a system and method of using a variable geometry ejector for a bleed air system which utilizes a minimal amount of high-pressure air, thus improving the overall engine cycle performance. This is accomplished through the use of a variable ejector using downstream pressure feedback to control the flow and pressure. A system and method of using a variable geometry ejector for a bleed air system using integral bleed pressure feedback which utilizes a minimal amount of high-pressure air, thus improving the overall engine cycle performance and is easily adaptable to a multitude of different engine types. This is accomplished through the use of a variable ejector using downstream pressure feedback to control the flow and pressure.