Patent ID: 6981842

Claim:
A bleed valve for use in a gas turbine engine comprising: a housing with an inlet and an outlet said housing being hollow with an inner and outer surface; said housing further defining an interior region and an exterior region; a hollow shaft guide fixed to the interior surface of said housing, wherein said hollow shaft guide is capable of receiving fluid pressure; a shaft slidably mounted in said hollow shaft guide; a poppet attached to said shaft, said poppet having a seat to contact the interior surface of said housing; a stationary piston positioned in the interior region of said housing, said stationary piston in contact with said poppet whereby said stationary piston and said poppet define a fluid chamber and wherein said fluid chamber is in fluid communication with said hollow shaft guide; sealing rings located between said poppet and said stationary piston; a biasing means positioned in the interior of said chamber; and a fluid inlet providing fluid communication between said chamber and the exterior region of said housing through said hollow shaft guide.