Bleed valve

Details Bleed valve Bleed valve

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 27/02 (2006.01) F02C 9/18 (2006.01) F02K 3/075 (2006.01)

Patent

CA 2172292

The present invention discloses a bleed valve (2) for use in gas turbine engines. The valve (2) has a piston (4), one end (6) of which is positioned inside a housing (14) which is positioned on one side of the bypass fluid flow path (34). The other end (8) of the piston (4) is positioned in an opening (30) between the primary fluid flow path (22) and the bypass fluid path (34) such that the valve (2) opens and closes in response to a pressure differential between two points in the primary fluid flow path (22).

La présente invention se rapporte à une soupape de purge (2) s'utilisant dans des turbines à gaz. La soupape (2) comprend un piston (4) dont une extrémité (6) est placée à l'intérieur d'un carter (14) positionné d'un côté de la trajectoire (34) de dérivation d'un fluide. L'autre extrémité (8) du piston (4) est placée dans une ouverture (30) située entre la trajectoire (22) d'écoulement principal du fluide et la trajectoire (34) de dérivation du fluide, de sorte que la soupape (2) s'ouvre et se referme en réponse à une différence de pression entre deux points dans la trajectoire (22) d'écoulement principal du fluide.

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