Compressor blade tip clearance control system with a plasma...

F - Mech Eng,Light,Heat,Weapons – 01 – D

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Details

F01D 11/20 (2006.01) F04D 29/16 (2006.01)

Patent

CA 2710376

A plasma leakage flow control system for a compressor is disclosed, comprising a circumferential row of compressor blades, an annular casing surrounding the tips of the blades, located radially apart from the tips of the blades and at least one annular plasma generator located on the annular casing. The annular plasma generator comprises an inner electrode and an outer electrode separated by a dielectric material. A gas turbine engine having a plasma leakage flow control system further comprises an engine control system which controls the operation of the annular plasma generator such that the blade tip leakage flow can be changed.

L'invention concerne un système de commande de flux de fuite de plasma pour un compresseur, comprenant une rangée périphérique d'aubes de compresseur, un carter annulaire entourant les extrémités des aubes et placé radialement à l'écart des extrémités des aubes, et au moins un générateur de plasma annulaire placé sur le carter annulaire. Le générateur de plasma annulaire comprend une électrode interne et une électrode externe séparées par un matériau diélectrique. Un moteur de turbine à gaz comportant un système de commande de flux de fuite de plasma comprend en outre un système de commande de moteur qui commande le fonctionnement du générateur de plasma annulaire de sorte que le flux de fuite de l'extrémité de l'aube puisse être modifié.

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