LIGHTWEIGHT FIBER REINFORCED HIGH TEMPERATURE STABLE GLASS-CERAMIC ABRADABLE SEAL
Assignee
UNITED TECHNOLOGIES CORPORATION
Filed
Nov 1, 1982
Granted
Nov 3, 1987
Location
PORTLAND CT US
Abstract
A composite material suitable for use as an abradable seal is described. The seal comprises a high temperature stable fiber reinforced glass or glass-ceramic matrix base having at least one layer of abradable ceramic material, plasma sprayed or bonded to it. The ceramic abradable layer has a working temperature up to at least 3000° F. (1648° C.) and is oxidatively stable. The abradable seal has particular utility in a gas turbine engine.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Apr 24, 1984
Rescinded
Jun 18, 1986
Duration
2 years, 1 month
Inventor
- 1JOHN J. BRENNAN
Record Details
- Patent number
- US 4704332
- Application
- 06438144
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
UNITED TECHNOLOGIES CORPORATIONMore from this assignee
COOLED AIRFOILS FOR A GAS TURBINE ENGINE
UNITED TECHNOLOGIES CORPORATION
ENHANCED FILM COOLING SLOT FOR TURBINE BLADE OUTER AIR SEALS
UNITED TECHNOLOGIES CORPORATION
AIRFOIL HAVING EXPANDED WALL PORTIONS TO ACCOMMODATE FILM COOLING HOLES
UNITED TECHNOLOGIES CORPORATION
LOW OBSERVABLE ENGINE AIR INLET SYSTEM
UNITED TECHNOLOGIES CORPORATION
DUCTILE TITANIUM ALLOY MATRIX FIBER REINFORCED COMPOSITES
UNITED TECHNOLOGIES CORPORATION
TIP SEAL AND ANTI-CONTAMINATION FOR TURBINE BLADES
UNITED TECHNOLOGIES CORPORATION
Related by domain
ELIMINATION OF STRIKE-OVER IN RF PLASMA GUNS
General Electric
METHOD FOR PRODUCING TITANIUM PARTICLES
CRUCIBLE MATERIALS CORPORATION, A CORP. OF DE
COATED FIBERS
MINNESOTA MINING AND MANUFACTURING COMPANY
GAS GENERATION WITH HIGH PRESSURE SENSITIVITY EXPONENT PROPELLANT
US Government
PLASMA GENERATING APPARATUS AND METHOD
PASSIVE RANGEFINDER
SECRETARY OF STATE OF DEFENSE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND, THE