Film riding seals for rotary machines
Abstract
A seal assembly for a rotary machine is provided. The seal assembly includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the segments includes a shoe plate with a forward-shoe section and an aft-shoe section having one or more labyrinth teeth therebetween facing the rotor. The sealing device includes a stator interface element having a groove or slot for allowing disposal of a spline seal for preventing segment leakages. The sealing device segment also includes multiple bellow springs or flexures connected to the shoe plate and to the stator interface element. Further, the sealing device segments include a secondary seal integrated with the stator interface element at one end and positioned about the multiple bellow springs or flexures and the shoe plate at the other end.
- Inventors:
- Issue Date:
- Research Org.:
- GE Global Research, Niskayuna, New York (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1346051
- Patent Number(s):
- 9587746
- Application Number:
- 13/562,705
- Assignee:
- General Electric Company
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16J - PISTONS {
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- DOE Contract Number:
- FC26-05NT42643
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Jul 31
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Bidkar, Rahul Anil, Sarawate, Neelesh Nandkumar, Wolfe, Christopher Edward, Ruggiero, Eric John, and Raj Mohan, Vivek Raja. Film riding seals for rotary machines. United States: N. p., 2017.
Web.
Bidkar, Rahul Anil, Sarawate, Neelesh Nandkumar, Wolfe, Christopher Edward, Ruggiero, Eric John, & Raj Mohan, Vivek Raja. Film riding seals for rotary machines. United States.
Bidkar, Rahul Anil, Sarawate, Neelesh Nandkumar, Wolfe, Christopher Edward, Ruggiero, Eric John, and Raj Mohan, Vivek Raja. Tue .
"Film riding seals for rotary machines". United States. https://www.osti.gov/servlets/purl/1346051.
@article{osti_1346051,
title = {Film riding seals for rotary machines},
author = {Bidkar, Rahul Anil and Sarawate, Neelesh Nandkumar and Wolfe, Christopher Edward and Ruggiero, Eric John and Raj Mohan, Vivek Raja},
abstractNote = {A seal assembly for a rotary machine is provided. The seal assembly includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the segments includes a shoe plate with a forward-shoe section and an aft-shoe section having one or more labyrinth teeth therebetween facing the rotor. The sealing device includes a stator interface element having a groove or slot for allowing disposal of a spline seal for preventing segment leakages. The sealing device segment also includes multiple bellow springs or flexures connected to the shoe plate and to the stator interface element. Further, the sealing device segments include a secondary seal integrated with the stator interface element at one end and positioned about the multiple bellow springs or flexures and the shoe plate at the other end.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {3}
}
Works referenced in this record:
Performance of a Complaint Foil Seal in a Small Gas Turbine Engine Simulator Employing a Hybrid Foil/Ball Bearing Support System
journal, January 2001
- Salehi, Mohsen; Heshmat, Hooshang
- Tribology Transactions, Vol. 44, Issue 3, p. 458-464