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| Number | Title | Issue Date |
| 7341424 | Turbines and methods of generating power The present invention relates generally to systems and methods for facilitating the movement of fluids, transferring mechanical power to fluid mediums, as well as deriving power from moving fluids. The present invention employs an impeller system in a variety of app... | 03/11/2008 |
| 7313362 | High altitude airborne craft used as radio relay and method for placing said airborne craft on station The present invention relates to an aircraft and to a method of getting the aircraft onto station. According to the invention, said aircraft (1) includes propulsion means (2) capable only of enabling said aircraft (1) to move and to orient itsel... | 12/25/2007 |
| 7311490 | Rotor blade with an electrical field The invention concerns a rotor blade, in particular a rotor blade of a wind power installation. The object of the present invention is to provide measures for still further improving the CR-value and also the level of acoustic power of rotor blades of wind power ins... | 12/25/2007 |
| 7274978 | Electrical power supply system for unmanned aircraft A miniature, unmanned aircraft for acquiring digitized data, transmitting digitized data, or both, having an electrical supply system capable of sustained operation. The aircraft has a fuselage, a wing, a reciprocating piston internal combustion engine, a propeller,... | 09/25/2007 |
| 7271826 | Communications installation for aircraft An arrangement for audio, video and/or data communication between a ground station and an aircraft, having at least one communications channel and a monitoring device provided on board the aircraft includes at least one audio, video or flight data recording apparatu... | 09/18/2007 |
| 7270300 | System and method for an ambient atmosphere ion thruster A system and a method for an ambient atmosphere ion thruster having a pair of permeable electrical members for accelerating ambient atmosphere ions which enter the thruster due to a craft's relative velocity. Neutral ambient atmosphere molecules in the intake mass f... | 09/18/2007 |
| 7249733 | Lighter-than-air aircraft including a closed loop combustion generating system and related methods for powering the same A lighter-than-air aircraft includes a gas envelope for containing a buoyant gas, and a propulsion system is carried by the gas envelope. A solar panel is carried by the gas envelope for powering the propulsion system when generating sufficient power. A closed loop ... | 07/31/2007 |
| 7216833 | In orbit space transportation and recovery system An In Orbit Transportation & Recovery System (IOSTAR™) (10). One preferred embodiment of the present invention comprises a space tug powered by a nuclear reactor (19). The IOSTAR™ includes a collapsible boom (11) connected at one end to a pr... | 05/15/2007 |
| 7204672 | Multi-modal forced vortex device A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro... | 04/17/2007 |
| 7137592 | High-aspect ratio hybrid airship In one aspect, a hybrid airship including an outer shell, a plurality of helium filled gas envelopes, and an all-electric propulsion system can have a high-aspect ratio wing shape. In some embodiments, the hybrid airship may be launched using buoyancy lift alone and... | 11/21/2006 |
| 7118075 | System and method for attitude control and station keeping A system and method for supplying thrust to a structure, such as a satellite or spacecraft, for the purposes of station keeping and attitude control of the structure in low-gravity (orbital) and zero-gravity environments. The system includes devices for emitting ene... | 10/10/2006 |
| 7097416 | Rotary disc pump A rotary disc pump for pumping fluid materials, comprises a housing having a front and a back wall forming a chamber with a generally coaxial inlet in the front wall and a generally tangential outlet, an impeller is mounted co-axially within the chamber and comprise... | 08/29/2006 |
| 7093794 | Aircraft and detonative engine incorporating pulse detonation engines An aircraft includes at least one airfoil having a leading edge and a trailing edge. A number of pulse detonation engines are distributed along one of the leading and trailing edges of the airfoil and are positioned beneath the airfoil. Each pulse detonation engine ... | 08/22/2006 |
| 7080504 | Laser augmented turbojet propulsion system The invention is a turbojet propulsion system which includes a compressor section, a turbine section coupled by a shaft to the compressor section, a combustion section mounted between the compressor section and the turbine section, and an exhaust duct coupled to the... | 07/25/2006 |
| 7012233 | Thrust vectoring a flight vehicle during homing using a multi-pulse motor A method and apparatus for thrust vectoring a flight vehicle during homing are disclosed. The flight vehicle includes a body; a plurality of attitude control mechanisms on the body; a multi-pulse motor housed at least partially in the body; and a control unit housed... | 03/14/2006 |
| 6993898 | Microwave heat-exchange thruster and method of operating the same A propulsion system is disclosed that uses microwaves originating from a ground-based or on-board source to provide energy for propulsion. The energy produces thrust by coupling into a propellant via a microwave absorbent heat exchanger, and by subsequent conversion... | 02/07/2006 |
| 6974110 | Method and apparatus for converting electrostatic potential energy A new method is described to produce useful electrical energy from DC electrostatic fields using a pyramid-shaped capacitor. The system uses no moving parts and no mechanical energy is introduced. Also, when a pyramid-shaped electrode is charged with DC high voltage... | 12/13/2005 |
| 6874728 | Superman air motor Provided is a disc-type jet turbine engine with controllable and rotational discharge ports at two sides of a discharge chamber, a fuel tank, and an operation lever connected with the discharge ports. The rotor shaft of the jet turbine engine is connected with a sta... | 04/05/2005 |
| 6854688 | Solid oxide regenerative fuel cell for airplane power generation and storage A Solid Oxide Regenerative Fuel Cell (SORFC) or a Solid Oxide Fuel Cell (SOFC) is incorporated into an electrically powered airplane to provide either regenerative or primary electrical energy. The SORFC, the SOFC, or any other suitable fuel cell within an airplane ... | 02/15/2005 |
| 6808145 | Dual-mode airbreathing propulsion system The present invention includes a method for a dual-mode propulsion system. During the first mode of operation, intake air is liquefied through a cooling heat exchanger and condenser using a combination of stored liquid hydrogen (LH2) and stored liquid nit... | 10/26/2004 |
| 6752351 | Low mass flow reaction jet A control system for a flying vehicle in an atmospheric environment, the vehicle having an aerodynamic shape including a front end and a rear end including a plurality of attitude control jet nozzles spaced outward from the vehicle near the rear end of the vehicle o... | 06/22/2004 |
| 6745980 | Unbalanced gyroscopic apparatus for producing unidirectional thrust An unbalanced gyroscopic apparatus is disclosed for producing unidirectional thrust without having to interact with an external gas, liquid, or solid mass. The technique is based on the controlled transitions of an unbalanced spinning mass between two stable unbalan... | 06/08/2004 |
| 6708925 | Mounting arrangement for a gas turbine engine A mounting arrangement (46) for mounting a turbofan gas turbine engine (10) on an aircraft pylon (44). The gas turbine engine (10) comprises a core engine (24) having a core engine casing (26). The mounting (46) compr... | 03/23/2004 |
| 6698693 | Solar propulsion assist This invention relates generally to method and apparatus for solar-boost assist and solar-sail assist by a mini-optics light concentrator system utilizing a dynamic ensemble of mini-mirrors. In the boost phase of a rocket ship launch, the system focusses ... | 03/02/2004 |
| 6688552 | Variable cycle propulsion system with mechanical transmission for a supersonic airplane A variable cycle propulsion system for a supersonic airplane comprises at least one engine capable of generating thrust for flight at supersonic speeds together with at least one auxiliary propulsion assembly that is separate from the engine and that is c... | 02/10/2004 |
| 6672539 | Power generation system A power generation system comprises an internal housing. The housing has a top portion, a bottom portion and a peripheral sidewall. An external housing is provided. The housing is coupled to and receives the internal housing. The housing has an upper lip,... | 01/06/2004 |
| 6581882 | Low-thrust cryogenic propulsion module The cryogenic propulsion module comprises a main cryogenic thruster (10), two attitude-controlling secondary thrusters (21, 22), tanks (31, 32, 33, 34) for feeding cryogenic propellants, a device for intermittently pressurizing the tanks (31, 32, 33, 34),... | 06/24/2003 |
| 6550718 | Aircraft engine An aircraft engine includes an exhaust gas purifying device for purifying exhaust gas from the engine, and a switching device for switching the engine between an emission-emphasized mode in which the exhaust gas from the engine is purified by the exhaust ... | 04/22/2003 |
| 6536708 | Take-off device for airplanes A take-off device includes a telescopic arrangement of three pipes arranged in a frame. The telescopic arrangement can pivot to a limited extent. The frame is mounted on a horizontal axis running through a center of gravity of the device and a centroidal ... | 03/25/2003 |
| 6488233 | Laser propelled vehicle Provided is a laser propelled craft having a) a forebody or nose, b) a tapering parabolic afterbody optic or mirror, c) a shroud mounted therebetween and extending aft to define an annular space around a portion of the afterbody near its base and d) means... | 12/03/2002 |
| 6405976 | Counter-rotation disc lift device A lift and propulsion device is presented which utilizes Bournelli's Principle and the principle of relative motion to create lift. A series of discs are arranged in coaxial alignment. Each successive disc rotates in a direction opposite from the directio... | 06/18/2002 |
| 6367739 | Compound exhaust system A compound exhaust system including two or more stages, preferably three, uses the force of exhaust gases traveling from a thrust generating source through the exhaust system to maximize thrust and minimize wasted energy consumption. In particular, the co... | 04/09/2002 |
| 6364253 | Remote piloted vehicle powered by beamed radiation An airborne remote piloted vehicle does not require onboard fuel to greatly extend its endurance and payload capability. Photovoltaic cells are provided on substantially the entire bottom surface of the RPV to receive high intensity radiation beamed up fr... | 04/02/2002 |
| 6347766 | Method and apparatus for generating propulsive forces without the ejection of propellant Mach's principle and local Lorentz-invariance together yield the prediction of transient rest mass fluctuations in accelerated objects. These restmass fluctuations, in both principle and practice, can be quite large and, in principle at least, negative. T... | 02/19/2002 |
| 6328258 | Air intake structure for aircraft engine In an air intake structure (14) of an aircraft engine pod, the link or connection between the air intake lip (15), the front reinforcing frame (16) and the acoustic panel (17) is implemented in such a way that the lip (15) can be dismantled without breaki... | 12/11/2001 |
| 6179250 | Air and space vehicle propulsion system A propulsion system for aerospace vehicles employs dipole radiators in an interlayer space between outer and inner layers of the vehicle hull. Microwaves are applied, via a control console, to the radiators. The hull may be configured as sectors, and ener... | 01/30/2001 |
| 6098924 | Method and apparatus for generating propulsive forces without the ejection of propellant Mach's principle and local Lorentz-invariance together yield the prediction of transient rest mass fluctuations in accelerated objects. These restmass fluctuations, in both principle and practice, can be quite large and, in principle at least, negative. T... | 08/08/2000 |
| 6089511 | Method and apparatus for propulsion A method and apparatus is disclosed for providing a propulsive force to a dynamic body without having to interact with an external mass. The technique is based on an internal exchange of kinetic energy working in concert with the influence of an ancillary... | 07/18/2000 |
| 6054521 | Erosion resistant-low signature liner for solid propellant rocket motors The present invention concerns an erosion resistant, low signature liner for solid propellant rocket motors and rocket motors having such a low signature liner. The liner combustion products in the exhaust plume have low visibility in the IR and visible l... | 04/25/2000 |
| 5971322 | Propeller propulsion unit for aircrafts in general A propeller propulsion unit for aircrafts in general including a rotation shaft driven by a motor, the unit including a single-blade propeller and a counterweight that are connected to the shaft, the counterweight being arranged in a substantially diametr... | 10/26/1999 |
