Matches 1 - 22 out of 22
Match Document Document Title
US20090241549 SUBSONIC AND STATIONARY RAMJET ENGINES  
A ramjet engine ( 3, 4, 5 ), flying at Mach 3 has 64% efficiency, and at Mach 4 has 76% efficiency. Ramjet engines are currently only used for supersonic flight and have not been used as stationary...
US20090241505 RE-HEAT COMBUSTOR FOR A GAS TURBINE ENGINE  
A turbine engine includes a turbine section having a first turbine portion and a second turbine portion arranged along a central axis. A re-heat combustor is arranged between the first and second...
US20090235638 VARIABLE AREA NOZZLE ASSISTED GAS TURBINE ENGINE RESTARTING  
A turbofan engine starting system includes a core nacelle housing ( 12 ), a compressor ( 16 ) and a turbine ( 18 ). The core nacelle is disposed within a fan nacelle ( 34 ). The fan nacelle...
US20090235643 VALVE SYSTEM FOR A GAS TURBINE ENGINE  
A valve system intermediate a secondary flow path and a primary flow path to selectively communicate secondary airflow into the primary gas flow path and control airflow injected from a higher...
US20090235642 VALVE SYSTEM FOR A GAS TURBINE ENGINE  
A valve system intermediate a secondary flow path and a primary flow path to selectively communicate secondary airflow into the primary gas flow path and control airflow injected from a higher...
US20090235641 T-Jet  
The following is the design of a personal, strap-on the back flight device. It is my version of an air breathing jetpack; it is designed to give an individual pilot vertical take-off, horizontal...
US20090217643 Gas discharge device for a vehicle engine  
The present invention provides gas discharge technique useful on vehicle engines. The technique comprises an s-shaped duct having an ejector formed therein to mix hot exhaust gas with a relatively...
US20090211221 Auxiliary propulsor for a variable cycle gas turbine engine  
A core engine of a variable cycle gas turbine engine includes a low pressure spool for generating streams of bypass air and pressurized air, and a high pressure spool for further pressurizing the...
US20090211222 Rear propulsor for a variable cycle gas turbine engine  
A gas turbine propulsion system comprises a turbofan engine, a peripheral duct, an annular frame, an auxiliary turbine and an auxiliary fan. The turbofan engine is configured to produce bypass air...
US20090188234 SHARED FLOW THERMAL MANAGEMENT SYSTEM  
A thermal management system includes at least two of a multiple of heat exchangers arranged in an at least partial-series relationship.
US20090158704 Gas Turbine Engine  
Variation in the available mixing plane areas in an exhaust arrangement of a gas turbine engine enables alteration and configuration for better thermal cycle performance of that engine. A shaped...
US20090000304 INTEGRATED SUPPORT AND MIXER FOR TURBO MACHINERY  
A support and air mixer includes an inner annular member, an outer annular member shaped and positioned such that an annular air gap is formed between the inner annular member and the outer annular...
US20080190096 FLUID MIXER WITH AN INTEGRAL FLUID CAPTURE DUCTS FORMING AUXILIARY SECONDARY CHUTES AT THE DISCHARGE END OF SAID DUCTS  
A fluid mixer for mixing two fluid streams 40, 42 includes a set of main lobes 26 defining alternating primary and secondary main chutes 30, 32 , one or more auxiliary lobes 28 intermediate...
US20080141656 BYPASS TURBOMACHINE WITH ARTIFICIAL VARIATION OF ITS THROAT SECTION  
The invention relates to a bypass turbomachine comprising a gas turbine engine provided with a fan disposed on a longitudinal axis of the turbomachine, and an annular nacelle surrounding the engine...
US20080115484 Mixer For Separate-Stream Nozzle  
A mixer for a separate-stream turbojet nozzle, the mixer comprising along a longitudinal axis (X-X′) both a fastener shroud ( 10 ) for connecting said mixer to the exhaust casing of the nozzle,...
US20080112798 Compound clearance control engine  
A gas turbine engine includes a compressor, combustor, and turbine having a row of blades mounted inside a surrounding turbine shroud. A heat exchanger is used for cooling pressurized air bled from...
US20080105488 ROTARY MOTION MIXER FOR A CONVERGING-STREAM NOZZLE OF A TURBOMACHINE  
The invention relates to a mixer for a bypass turbomachine, the mixer comprising a member having a sinusoidal portion at its end defining inner lobes and outer lobes, each outer lobe comprising a...
US20080105487 CURVED LOBE MIXER FOR A CONVERGING-STREAM NOZZLE FOR A TURBOMACHINE  
The invention relates to a mixer for a bypass turbomachine, the mixer comprising a cylindrical member having a sinusoidal portion at its downstream end defining inner lobes and outer lobes...
US20080098719 Aircraft propulsion systems  
Disclosed are propulsion systems 30 providing reduced fuel burn, weight and cost. A single gas generator core 38 drives multiple bladed propulsion elements 36 with a power train 48. The...
US20080093174 Tip Turbine Engine with a Heat Exchanger  
A liquid-air heat exchanger extracts thermal energy from an engine lubricating fluid system. The liquid-air heat exchanger is located within a tailcone section and is in communication with a...
US20080060344 EXHAUST DUCT AND TAIL CONE ATTACHMENT OF AIRCRAFT ENGINES  
An annular exhaust duct of a gas turbine engine includes inner and outer cases co-axially disposed, and radially spaced apart by a plurality of airfoils radially extending therebetween. The outer...
US20080060343 Asymmetric serrated nozzle for exhaust noise reduction  
An exhaust nozzle for use in a gas turbine engine comprises a flow body for receiving exhaust gas from the turbine engine and includes a leading edge and a trailing edge. The leading edge connects...
Matches 1 - 22 out of 22