FLANGE TRAPPED SEAL CONFIGURATION

摘要

According to one embodiment of the present invention, a sealing arrangement includes a turbine static structure with an inner case and a seal ring each having contact surfaces. The sealing arrangement also has a bearing compartment with a contact surface. A piston seal is positioned between the inner case, the seal ring, and the bearing compartment and is configured to contact the contact surfaces.

主权项

1. A sealing arrangement comprising:
a turbine static structure comprising:
an inner case having a first contact surface; anda seal ring fastened to the inner case, the seal ring having a second contact surface; a bearing compartment that is surrounded by the turbine static structure having a third contact surface; and a piston seal positioned between the inner case, the seal ring, and the bearing compartment, the piston seal having a first side configured to contact the first contact surface, a second side configured to contact the second contact surface, and a third side configured to contact the third contact surface.