Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8104257 | Tip turbine engine with multiple fan and turbine stages A tip turbine engine (10) provides first and second turbines (32) rotatably driven by a combustor (30) generating a high-energy gas stream. The first turbine (32) is mounted at an outer periphery of a first fan (24a), such t... | 01/31/2012 |
| 7937927 | Counter-rotating gearbox for tip turbine engine A tip turbine engine (10) provides an axial compressor rotor (46) that is counter-rotated relative to a fan (24). A planetary gearset (90) couples rotation of a fan (46) to an axial compressor rotor (46), such that the axial... | 05/10/2011 |
| 7726113 | Gas turbine engine assembly and methods of assembling same A method for assembling a gas turbine engine includes coupling a low-pressure turbine to a core turbine engine, and coupling a counter-rotating fan assembly including a first fan assembly and a second fan assembly to the low-pressure turbine such that the first fan ... | 06/01/2010 |
| 7409819 | Gas turbine engine and method of assembling same A method of assembling a gas turbine engine that includes rotatably coupling a first low-pressure turbine rotor to a high-pressure turbine, rotatably coupling a second low pressure turbine rotor to the first low-pressure turbine rotor, and rotatably coupling the sec... | 08/12/2008 |
| 7334981 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of rows of turbine blades configured to rotate in a first rotational direction, providing a low-pressure turbine outer rotor that ... | 02/26/2008 |
| 7334392 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine includes providing a first fan assembly including a plurality of rotor blades that are configured to rotate in a first rotational direction at a first rotational speed, rotatably coupling a second fan assembly axially aft... | 02/26/2008 |
| 7299621 | Three-spool by-pass turbojet with a high by-pass ratio The invention relates to aerodynamically matching the rear fan of a turbojet having two fans and a low-pressure compressor at the front of the intermediate casing, said fans being driven by two independent shafts. Said compressor is disposed between the blades of th... | 11/27/2007 |
| 7290386 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, and rotatably coupling a low-pressure turbine outer rotor to the ... | 11/06/2007 |
| 7269938 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine includes providing a high pressure turbine, providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine ou... | 09/18/2007 |
| 7246484 | FLADE gas turbine engine with counter-rotatable fans An exemplary embodiment of a FLADE counter-rotating fan aircraft gas turbine engine includes at least one row of FLADE fan blades disposed radially outwardly of and drivingly connected to one of axially spaced-apart first and second counter-rotatable fans. A core en... | 07/24/2007 |
| 7195446 | Counter-rotating turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor configured to rotate in a first direction, providing a low-pressure turbine outer rotor configured to rotate in a second direction that is opposite the first rota... | 03/27/2007 |
| 7195447 | Gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine outer rotor that includes a seco... | 03/27/2007 |
| 7185484 | Methods and apparatus for assembling a gas turbine engine Methods and apparatus for assembling a gas turbine engine are provided. The method includes coupling a first turbine shaft that includes m rows of turbine blades within the gas turbine such that the first turbine shaft is rotatable in a first direction, and coupling... | 03/06/2007 |
| 7186073 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine includes providing a low-pressure turbine inner rotor that includes at least a first pair of adjacent rows of turbine blades that are configured to rotate in a first direction providing a low-pressure turbine outer rotor ... | 03/06/2007 |
| 7137245 | High area-ratio inter-turbine duct with inlet blowing A bypass channel for use in an inter-turbine transition duct of a gas turbine engine is connected to a suction port disposed upstream of a high-pressure turbine and an injection port disposed downstream of the high-pressure turbine. The flow through the bypass chann... | 11/21/2006 |
| 7073335 | Gas storage power station The present invention relates to a gas storage power station (1) having a turbine group (3) and a compressor group (4). The turbine group (3) has at least one turbine (5, 6) and a generator (10). During normal operation of t... | 07/11/2006 |
| 7048496 | Turbine cooling, purge, and sealing system A rotor system for a gas turbine engine is provided having an outer rotor which includes an annular outer spool that comprises at least one ring portion of increased thickness with respect to the remainder of the outer spool, attached to a relatively thinner, axiall... | 05/23/2006 |
| 7048509 | Axial flow turbine In the axial turbine according to the present invention, a nozzle blade 1 and/or a movable blade 5 has a profile in which a throat-pitch ratio âs/tâ is maximized at a blade-central portion in height, wherein âsâ being a shortest distance betwee... | 05/23/2006 |
| 6763652 | Variable torque split aircraft gas turbine engine counter rotating low pressure turbines An aircraft gas turbine engine includes a low pressure turbine having a low pressure turbine flowpath and low pressure inner and outer shaft turbines with counter rotatable low pressure inner and outer shaft turbine rotors, respectively. The low pressure inner and o... | 07/20/2004 |
| 6751940 | High efficiency gas turbine power generator A gas turbine power generator with ultra high efficiency, the generator being an assembly of electric motor-generator machines and counter rotating turbine configurations used in combination with a combustor having cogeneration of steam for combined cycle operation ... | 06/22/2004 |
| 6739120 | Counterrotatable booster compressor assembly for a gas turbine engine A counterrotatable booster compressor assembly for a gas turbine engine having a counterrotatable fan section with a first fan blade row connected to a first drive shaft and a second fan blade row axially spaced from the first fan blade row and connected to a second... | 05/25/2004 |
| 6725643 | High efficiency gas turbine power generator systems A gas turbine power generator with ultra high efficiency, the generator being an assembly of electric motor-generator machines and turbine configurations used in combination with combustor systems for operation of select integrated turbine configurations. ... | 04/27/2004 |
| 6711887 | Aircraft gas turbine engine with tandem non-interdigitated counter rotating low pressure turbines A low pressure turbine section for an aircraft gas turbine engine includes a low pressure turbine flowpath and counter rotatable low pressure inner and outer shaft rotors having inner and outer shafts, respectively. The low pressure inner and outer shaft rotors incl... | 03/30/2004 |
| 6684626 | Aircraft gas turbine engine with control vanes for counter rotating low pressure turbines An aircraft gas turbine engine includes a low pressure turbine having a low pressure turbine flowpath and counter rotatable low pressure inner and outer shaft rotors having inner and outer shafts, respectively. The low pressure inner and outer shaft rotor... | 02/03/2004 |
| 6672049 | Emergency device for relighting a windmilling turbojet An emergency device for relighting a windmilling turbojet, the jet comprising a fan driven by a low-pressure turbine via a first shaft and a compressor driven by a high-pressure turbine via a second shaft disposed coaxially around the first shaft, a diffe... | 01/06/2004 |
| 6666017 | Counterrotatable booster compressor assembly for a gas turbine engine A counterrotatable booster compressor assembly for a gas turbine engine having a counterrotatable fan section with a first fan blade row connected to a first drive shaft and a second fan blade row axially spaced from the first fan blade row and connected ... | 12/23/2003 |
| 6619030 | Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors An aircraft gas turbine engine assembly includes an inter-turbine frame axially located between high and low pressure turbines. Low pressure turbine has counter rotating low pressure inner and outer rotors with low pressure inner and outer shafts which ar... | 09/16/2003 |
| 6557337 | Gas turbine engine A gas turbine engine a turbine, a compressor turbine mounted downstream the turbine for rotation in a direction opposite to the rotation direction of the turbine that is mounted downstream the compressor. Exhaust fluid from the compressor turbine is coole... | 05/06/2003 |
| 6460324 | Gas turbine engine A gas turbine engine comprising a compressor, a power turbine, a counter-rotating compressor turbine for powering the compressor and a heat exchanger interconnected among them, uses a mixer to mix waste fluid heated by the heat exchanger with combustion a... | 10/08/2002 |
| 6397576 | Gas turbine engine with exhaust compressor having outlet tap control A gas turbine engine comprising a turbine mounted downstream of a compressor and a heat exchanger interconnected between the turbine and compressor and to a heated fluid source, which is connected to a fuel source, has a compressor flow duct having a plur... | 06/04/2002 |
| 6381948 | Driving mechanism with counter-rotating rotors An engine with counter-rotating rotors, which are coaxially arranged and are driven via a shaft by a turbine whose working medium is supplied by a gas generator with an air inlet, the air inlet (3) being arranged between (in the axial direction) the rotor... | 05/07/2002 |
| 6363708 | Gas turbine engine A method of operating a gas turbine engine having a compressor, a combustor between a waste fluid compressor and a power turbine, a counter-rotating compressor turbine installed downstream of the power turbine, and a heat exchanger having two circuits, in... | 04/02/2002 |
| 6339927 | Integrated fan-core twin spool counter-rotating turbofan gas turbine engine A twin spool counter-rotating turbofan gas turbine engine having a counter-rotating fan module integrated with the high pressure compressor and driven by a counter-rotating turbine utilizing only two drive shafts. The two drive shafts are aerodynamically ... | 01/22/2002 |
| 6212871 | Method of operation of a gas turbine engine and a gas turbine engine A gas turbine engine that has a turbine (1) mounted downstream of a combustor (5), a compressor turbine (2) mounted downstream of turbine (1) for producing power for driving a compressor (3), a heat exchanger (6) having a first circuit (61) con... | 04/10/2001 |
| 6189311 | Gas turbine engine In a gas turbine engine in which bearings (18, 30) of turbine (12) and compressor turbine (22) and exhaust duct (32) of compressor turbine (22) are attached to external annular wall (46) of heat exchanger (44). External annular wall (46) of heat exchanger... | 02/20/2001 |
| 6145296 | Gas turbine engine having counter rotating turbines and a controller for controlling the load driven by one of the turbines A gas turbine engine has a turbine mounted downstream of a compressor and a compressor turbine mounted downstream of the turbine for driving the compressor. The compressor turbine has a rotor disk that is mechanically coupled to the compressor and rotates... | 11/14/2000 |
| 6082967 | Constant-speed twin spool turboprop unit A constant-speed twin spool turboprop unit including a twin spool gas generator having a low-pressure spool and a high-pressure spool each including a compressor and a turbine which drives the compressor, is described in which at least one propeller of th... | 07/04/2000 |
| 5443590 | Rotatable turbine frame A rotatable turbine frame includes annular outer and inner bands having a plurality of circumferentially spaced apart struts extending therebetween. An annular drive shaft is fixedly joined to the inner band for transmitting output torque therefrom, and t... | 08/22/1995 |
| 5334061 | Reversing marine gas turbine drive A reversing marine drive utilizing a gas generator prime mover provided with first and second counter-rotating power turbines. The first turbine is connectable by a differential gear set and a pinion and reduction gear assembly to the ship's shaft to driv... | 08/02/1994 |
| 5307622 | Counterrotating turbine support assembly A counterrotating turbine support assembly includes outer and inner rotors having respective outer and inner blades disposed in an outer casing. A mid-frame is disposed forwardly of the rotors and fixedly joined to the outer casing. A rear frame is dispos... | 05/03/1994 |
