Impeller baffle with air cavity deswirlers

Details Impeller baffle with air cavity deswirlers Impeller baffle with air cavity deswirlers

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 3/04 (2006.01) F04D 29/28 (2006.01)

Patent

CA 2663680

A gas turbine engine includes a high-pressure compressor (22) having an impeller (40) and an impeller baffle (50) having a generally annular body (52), the impeller baffle (50) spaced apart from a back face (42) of an impeller (40) to create an airspace therebetween, the airspace communicating between an impeller exit and an apparatus to be pressurized, the impeller baffle (50) including a plurality of generally radially-disposed ribs (56) extending into the airspace for diminishing the velocity of air swirling in the airspace.

L'invention concerne un moteur à turbine à gaz qui comprend un compresseur haute pression (22) ayant une roue à aubes (40) et une chicane (50) de roue à aubes ayant un corps généralement annulaire (52), la chicane (50) de roue à aubes étant espacée à partir d'une face arrière (42) d'une roue à aubes (40) pour créer un vide d'air entre celles-ci, le vide d'air communiquant entre une sortie de roue à aubes et un appareil devant être pressurisé, la chicane (50) de roue à aubes comprenant une pluralité de nervures (56), généralement disposées radialement, s'étendant dans le vide d'air pour diminuer la vitesse du tourbillonnement d'air dans le vide d'air.

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