Seal assembly for a turbomachine

A seal assembly (10) for a turbomachine includes a seal ring (12) rotatable between a first position and a second position and having a plurality of tunnels (42). Also included is a back ring (14) located adjacent to the seal ring (12) and having a plurality of apertures (30) that align with more of...

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Bibliographic Details
Main Authors ERDMENGER RODRIGO RODRIGUEZ, ZHENG XIAOQING, GLINBIZZI NATHANIEL CARMELLO, TURNQUIST NORMAN ARNOLD
Format Patent
LanguageChinese
English
Published 11.09.2013
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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Summary:A seal assembly (10) for a turbomachine includes a seal ring (12) rotatable between a first position and a second position and having a plurality of tunnels (42). Also included is a back ring (14) located adjacent to the seal ring (12) and having a plurality of apertures (30) that align with more of the plurality of tunnels (42) of the seal ring (12) when at the second position than at the first position. Further included is a retention piece (18) operably connecting the seal ring (12) and the back ring (14).
Bibliography:Application Number: CN201310063325