Ceramic combustor mounting
Abstract
A combustor for a gas turbine engine includes a metal engine block including a wall portion defining a housing for a combustor having ceramic liner components. A ceramic outlet duct is supported by a compliant seal on the metal block and a reaction chamber liner is stacked thereon and partly closed at one end by a ceramic bypass swirl plate which is spring loaded by a plurality of circumferentially spaced, spring loaded guide rods and wherein each of the guide rods has one end thereof directed exteriorly of a metal cover plate on the engine block to react against externally located biasing springs cooled by ambient air and wherein the rod spring support arrangement maintains the stacked ceramic components together so that a normal force is maintained on the seal between the outlet duct and the engine block under all operating conditions. The support arrangement also is operative to accommodate a substantial difference in thermal expansion between the ceramic liner components of the combustor and the metal material of the engine block.
- Inventors:
-
- Speedway, IN
- Danville, IN
- Issue Date:
- OSTI Identifier:
- 864434
- Patent Number(s):
- 4363208
- Assignee:
- General Motors Corporation (Detroit, MI)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05B - INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23R - GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- ceramic; combustor; mounting; gas; turbine; engine; metal; block; including; wall; portion; defining; housing; liner; components; outlet; duct; supported; compliant; seal; reaction; chamber; stacked; thereon; partly; closed; bypass; swirl; plate; spring; loaded; plurality; circumferentially; spaced; guide; rods; directed; exteriorly; cover; react; externally; located; biasing; springs; cooled; ambient; air; rod; support; arrangement; maintains; normal; force; maintained; operating; conditions; operative; accommodate; substantial; difference; thermal; expansion; material; portion defining; metal material; wall portion; engine block; circumferentially spaced; ceramic components; ceramic component; operating conditions; ambient air; turbine engine; reaction chamber; thermal expansion; gas turbine; cover plate; support arrangement; operating condition; spring loaded; ceramic combustor; compliant seal; metal block; metal engine; guide rods; ceramic liner; normal force; /60/431/
Citation Formats
Hoffman, Melvin G, and Janneck, Frank W. Ceramic combustor mounting. United States: N. p., 1982.
Web.
Hoffman, Melvin G, & Janneck, Frank W. Ceramic combustor mounting. United States.
Hoffman, Melvin G, and Janneck, Frank W. Fri .
"Ceramic combustor mounting". United States. https://www.osti.gov/servlets/purl/864434.
@article{osti_864434,
title = {Ceramic combustor mounting},
author = {Hoffman, Melvin G and Janneck, Frank W},
abstractNote = {A combustor for a gas turbine engine includes a metal engine block including a wall portion defining a housing for a combustor having ceramic liner components. A ceramic outlet duct is supported by a compliant seal on the metal block and a reaction chamber liner is stacked thereon and partly closed at one end by a ceramic bypass swirl plate which is spring loaded by a plurality of circumferentially spaced, spring loaded guide rods and wherein each of the guide rods has one end thereof directed exteriorly of a metal cover plate on the engine block to react against externally located biasing springs cooled by ambient air and wherein the rod spring support arrangement maintains the stacked ceramic components together so that a normal force is maintained on the seal between the outlet duct and the engine block under all operating conditions. The support arrangement also is operative to accommodate a substantial difference in thermal expansion between the ceramic liner components of the combustor and the metal material of the engine block.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1982},
month = {Fri Jan 01 00:00:00 EST 1982}
}