Patent ID: 9109458
Filing Date: 2015-08-18
Classification: F01D,F05D

Abstract:
1. A seal for sealing an annular gap between a rotor and a stator, said seal comprising: a nonrotatable sealing portion disposed within an annular slot in said stator, said annular slot opening onto said annular gap, said nonrotatable sealing portion comprising a sealing element having a radially outer portion disposed within said slot and radially translatable with respect thereto, and a radially inner portion extending radially inwardly into said annular gap, said radially inner portion sealing at least one rotational sealing element carried by said rotor, said slot formed in part by flanges that each have an outer radial surface and an inner radial surface; said nonrotatable sealing portion further comprising a resilient biasing element disposed between a floor of said annular slot and said radially outer portion of said nonrotatable sealing element, said resilient biasing element accommodating and limiting radial movement of said non-rotatable sealing element and biasing said non-rotatable sealing element radially inwardly in response to radially outward movement of said nonrotatable sealing element, said non-rotatable portion further comprising: at least one guide having: