TURBINE ENGINE FACE SEAL ARRANGEMENT INCLUDING ANTI-ROTATION FEATURES

摘要

A turbine engine includes a main shaft bearing compartment seal. The seal includes at least an approximately circular seal portion and a seal carrier disposed about the approximately circular seal portion. A plurality of anti-rotation pins maintain the seal carrier in position relative to a housing and are received in an anti-rotation slot of the seal carrier.

主权项

1. A turbine engine comprising:
a compressor section; a combustor in fluid communication with the compressor section; a turbine section in fluid communication with the combustor; a main shaft interconnecting each of the compressor section, the combustor and the turbine section; and a main shaft bearing compartment including a main shaft bearing compartment seal, wherein said main shaft bearing compartment seal further comprises:
an at least approximately circular seal;a seal carrier disposed about said seal, wherein said seal carrier maintains said seal in a position;a housing surrounding said seal carrier, wherein said seal carrier is maintained in position relative to said housing via a plurality of springs;a plurality of anti-rotation pin assemblies rigidly connected to said housing on a first end and received in an anti-rotation slot of said seal carrier on a second end, wherein said anti-rotation pins are aligned axially with said seal carrier and said seal; andwherein each of said anti-rotation slots comprises an elongated seal carrier contact surface contacting said anti-rotation pin assembly.