COOLED BLADES FOR A GAS TURBINE ENGINE
Assignee
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
Filed
Aug 24, 1988
Granted
Dec 23, 1997
Location
JUPITER FL US
Abstract
An internally cooled turbine blade for a gas turbine engine is modified at the leading and trailing edges to include a dynamic cool air flowing radial passageway with an inlet at the root and a discharge at the tip feeding a plurality of radially spaced film cooling holes in the airfoil surface. Replenishment holes communicating with the serpentine passages radially spaced in the inner wall of the radial passage replenish the cooling air lost to the film cooling holes. The discharge orifice is sized to match the backflow margin to achieve a constant film hole coverage throughout the radial length. Trip strips may be employed to augment the pressure drop distribution
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 30, 1989
Rescinded
Mar 18, 1997
Duration
7 years, 11 months
Inventor
- 1KENNETH B. HALL
Record Details
- Patent number
- US 5700131
- Application
- 07236093
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DEMore from this assignee
COMBUSTION CHAMBER
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
PREPARATION OF SOL GEL COMPOSITIONS FOR ELECTROPHORESIS
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
HIGH RATE ELECTROPHORESIS PROCESS FOR CERAMIC COATED FIBERS
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
COOLED THIN METAL LINER
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
INTERFEROMETRIC SIGNAL ANALYSIS WITH MODULATION SWITCHING
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
METHOD FOR FABRICATING THERMOPLASTIC HIGH TEMPERATURE POLYMER GRAPHITE FIBER COMPOSITES
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE
Related by domain
NEURAL NETWORK CONTROLLER FOR A PULSED ROCKET MOTOR TACTICAL MISSILE SYSTEM
Raytheon
VTOL AIRCRAFT NOZZLE
ROLLS-ROYCE PLC
MISSILE JET VANE CONTROL SYSTEM AND METHOD
HUGHES MISSILE SYSTEMS COMPANY
COOLED AIRFOILS FOR A GAS TURBINE ENGINE
UNITED TECHNOLOGIES CORPORATION
AIRCRAFT INFRARED GUIDED DEFENSE MISSILE SYSTEM
LOW OBSERVABLE ENGINE AIR INLET SYSTEM
UNITED TECHNOLOGIES CORPORATION