Gas turbine engine rotor seal

摘要

A rotary seal for sealing a bladed rotor of a gas turbine engine to a stator thereof comprises a sealing element and a sealing element support comprising a radially outer edge portion on which the sealing element is fixed, a radially inner mounting portion adapted to be attached to a supported rotor hub, and a flexible, medial web portion extending between the radially outer edge portion and the radially inner mounting portion.

主权项

1. In a gas turbine engine having a bladed rotor disposed within and circumscribed by a vaned stator, said rotor comprising at least one bladed disk disposed longitudinally interiorly of a hub having a lateral surface, said rotor including a rotary seal for sealing said rotor to said stator, said seal comprising:
a sealing element being supported by a sealing element support comprising:
a radially outer edge portion, said sealing element being fixed to said radially outer edge portion;a radially inner mounting portion; anda medial, flexible web portion disposed between said outer edge portion and said inner mounting portion;said radially inner mounting portion being attached to and supported by said hub at said lateral surface thereof; wherein said hub includes a circumferential groove in said lateral surface thereof, said radially inner mounting portion of said sealing element support being generally aligned with said circumferential groove in said lateral surface of said hub, said rotor further including a fastener disposed within said groove and engageable with said radially inner mounting portion of said sealing element support along the interior of said groove for fixing said sealing element support to said hub; wherein said fastening element comprises a lock ring.