Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8020365 | Multidirectional turbine engine A gas turbine engine comprising a compressor, a combustion chamber, and at least two turbines mounted oppositely to the combustion chamber, such that the gas turbine engine is capable of generating multidirectional thrust. ... | 09/20/2011 |
| 7980052 | Industrial gas turbine engine An industrial gas turbine engine capable of operating at higher temperatures than air cooled nickel based alloy airfoils in the turbine. The engine burns stoichiometric or rich to produce a hot gas stream that is mostly without oxygen, and the turbine airfoils are m... | 07/19/2011 |
| 7886516 | Combined cycle integrated combustor and nozzle system An engine that operates and produces the entire required vehicle thrust below Mach 4 is useful for a Hypersonic combined cycle vehicle by saving vehicle and engine development costs. One such engine is a combined cycle engine having both a booster and a dual mode ra... | 02/15/2011 |
| 7464533 | Apparatus for operating gas turbine engines A method facilitates assembling a gas turbine engine assembly. The method comprises providing at least one propelling gas turbine engine that includes a core engine including at least one turbine, coupling an auxiliary engine to the propelling gas turbine engine suc... | 12/16/2008 |
| 7370836 | Missile defense system and methods for evading heat seeking missiles A method for aiding a helicopter pilot to avoid a heat seeking missile includes the step of detecting a threat from a missile. The method also includes the step of reducing heat emanating from the helicopter's engine and rapidly reducing altitude. Then, when the thr... | 05/13/2008 |
| 7367531 | Systems and methods for evading heat seeking missles A method and system in an airborne aircraft to evade a heat seeking missile includes the steps of detecting the launch or “lock on” of a heat seeking missile and reducing the radiation from the aircraft's engine by reducing the engine speed to idle. The method m... | 05/06/2008 |
| 7363756 | Method for combustion of a fuel In a method for the combustion of a fuel, a fuel or a premixed combustible mixture is introduced into a combustion space as a combustible fluid open jet. The velocity of the open jet is selected in such a way that it is impossible for a stable flame front to form, i... | 04/29/2008 |
| 7350619 | Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner Methods and apparatus are provided for an exhaust duct having an externally replaceable acoustic liner. The exhaust duct includes a forward section that is configured to be axially coupled with a bulkhead collar on the aircraft, a body section that is coupled to the... | 04/01/2008 |
| 7340901 | Control logic for fuel controls on APUs Conventional auxiliary power units (APUs) may experience over-temperature shutdowns when attempting to start them at high altitudes. Further, such conventional APUs may also experience overspeed conditions when a generator load is removed during on-speed operations.... | 03/11/2008 |
| 7331169 | Control logic for fuel controls on APUs Conventional auxiliary power units (APUs) may experience over-temperature shutdowns when attempting to start them at high altitudes. Further, such conventional APUs may also experience overspeed conditions when a generator load is removed during on-speed operations.... | 02/19/2008 |
| 7259471 | Drive line for fluid flow power engine with speed guidance, power impact reduction and short-term energy storage Control procedure for a flow machine, wherein the flow machine comprises a turbine, which picks up power from a wind or water current, and a driveline, which transfers power from the turbine to an electric generator connected to an electricity grid of constant grid ... | 08/21/2007 |
| 7200997 | Water augmented regeneration (WAR) turbine system and cycle A gas turbine system (100) includes a compressor (110) for receiving air and producing compressor discharge air, a combustor (120) for combusting an oxygen comprising gas flow including the discharge air and a fuel into a hot gas flow, and a tur... | 04/10/2007 |
| 7159819 | Mounting structure for mounting a turboprop under an aircraft wing A mounting structure for mounting a turboprop under an aircraft wing includes a rigid structure provided with an aft underwing box, and at least one forward rigid section. Each forward rigid section has two transverse frames at a spacing from each other. At least on... | 01/09/2007 |
| 7121906 | Method and apparatus for decreasing marine vessel power plant exhaust temperature According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that in... | 10/17/2006 |
| 7121078 | Methods and apparatus for operating gas turbine engines A method facilitates assembling a gas turbine engine assembly. The method comprises providing at least one propelling gas turbine engine that includes a core engine including at least one turbine. The method also comprises coupling an auxiliary engine to the propell... | 10/17/2006 |
| 7082767 | Process and device for supplying the turbojets of an aircraft during automatic flight According to the invention, during level automatic flight of the aircraft (A) at steady altitude, the preset value EPRt, common to all the turbojets (M1 to M4) and corresponding to a particular value of the ratio EPR of the gas pressures at the outlet ... | 08/01/2006 |
| 7036318 | Gas turbine electric powerplant A gas turbine electric powerplant, preferably driven by an aeroderivative turbine engine of split shaft design. The gas turbine engine is coupled to a speed reducer, which is in turn coupled to an electric generator. An engine mount is provided that ensures that the... | 05/02/2006 |
| 6978758 | High Efficiency rotary piston combustion engine A computer controlled rotary piston engine includes a blower housing containing a rotatable impeller assembly, for pushing ambient air into the housing, and forcing the air to pass through a normally open valve mechanism into a combustion chamber. A plurality of fue... | 12/27/2005 |
| 6966190 | Combined cycle for generating electric power A combined cycle process that includes gas turbines, a steam turbine train, a heat recovery unit, and a gasification unit that produces low or mid BTU fuel gas from coal, lignite, coke, biomass, or other suitable hydrocarbon containing material wherein the fuel gas ... | 11/22/2005 |
| 6959552 | Gas turbine inlet flow straightener A radial inlet assembly comprising a radial inlet adapted to be in fluid communication with a compressor, and a restricting member covering the radial inlet and receiving a circumferentially asymmetric airflow, the restricting member partially blocking the airflow a... | 11/01/2005 |
| 6941217 | Microprocessor-based control system for gas turbine electric powerplant A microprocessor-based control system for a gas turbine electrical powerplant. the microprocessor-based control system controls the startup, operation, and shutdown of the gas turbine electric powerplant. The microprocessor-based control system of the present invent... | 09/06/2005 |
| 6913228 | Aircraft with active center of gravity control A supersonic aircraft comprises a wing, a fuselage, a plurality of fuel tanks contained within the wing and/or fuselage, and a fuel transfer system communicatively coupled to the plurality of fuel tanks and capable of transferring fuel among the plurality of fuel ta... | 07/05/2005 |
| 6848259 | Compressed air energy storage system having a standby warm keeping system including an electric air heater A compressed air energy storage system comprises a cavern (1) for stored compressed air and a system for providing the compressed air to a power train (3, 5), this system including a recuperator (7) and a first valve arrangement (8) that ... | 02/01/2005 |
| 6836086 | Controlled starting system for a gas turbine engine A starting system and method for a gas turbine engine includes a controlled starter system and a controlled fuel system. The controlled starter motor is accelerated along an acceleration profile to a dwelling point. Concurrently with the starter motor spinning up th... | 12/28/2004 |
| 6792746 | Separated core engine type turbofan engine A low-noise separated core engine type turbofan engine is provided in which noise generated by a control propulsion device is reduced by using high pressure air as the working fluid of a turbine for driving a control fan used in the attitude control of the airframe.... | 09/21/2004 |
| 6742742 | Device and process for regulating the power of the engines of a rotary wing multi-engine aircraft Device and process for regulating the power of the engines of a rotary wing multi-engine aircraft. The regulating device (1) comprises, in addition to main regulating systems (2, 6) associated with the engines (M1, M2) of the aircr... | 06/01/2004 |
| 6736354 | Airplane fuel supply system and airplane wing pipeline assembly method An airplane fuel supply system includes a wing fuel tank that is formed from a wing tip fuel tank having a wing tip fuel pump; a central fuel tank having a central fuel pump; and a wing root fuel tank having a wing root fuel pump. Fuel movement from the wing tip fue... | 05/18/2004 |
| 6691503 | Gas turbine having first and second combustion chambers and cooling system A gas turbine (5) according to the invention, which comprises a main combustion chamber (10), a cooling system for air cooling of at least the guide vanes (26, 29) and guide rings (28, 38) of various stages (25, 27) of the gas turbine (5), and a main gas ... | 02/17/2004 |
| 6691517 | Compound rotary internal combustion engine A turbine based engine that includes a mixture chamber, a combustion chamber, a stationary flow control barrier, and a turbine. The stationary flow control barrier is located between the combustion chamber and the turbine. The arrangement allows the syste... | 02/17/2004 |
| 6612113 | Integrated method of air separation and of energy generation and plant for the implementation of such a method In an integrated method of air separation, a plant includes at least one first air separation unit (1, 101), a first air compressor (13), a first combustion chamber (17), a first expansion turbine (19), a second air compressor (15), a second combustion ch... | 09/02/2003 |
| 6430915 | Flow balanced gas turbine power plant A flow balanced gas turbine power plant is provided which includes a primary power plant and a secondary power plant. The primary power plant has a primary compressor assembly, a primary combustor assembly, a primary turbine assembly, and a primary genera... | 08/13/2002 |
| 6418707 | General advanced power system In a general power system, a thermal engine having a thermal energy source with a compressor and turbine combination operating in a Brayton cycle with the compressor being driven by an electrical motor and the turbine driving a generator, the compressor c... | 07/16/2002 |
| 6385959 | Gas turbine engine with increased fuel efficiency and method for accomplishing the same An engine having a casing and a compressor disposed within and rotatably coupled to the casing for generating pressurized gas. A primary combustion chamber disposed within the casing downstream of the compressor receives a primary portion of the gas gener... | 05/14/2002 |
| 6370864 | Turbine engine with valve mechanism and integral combustion chamber A turbine based engine that includes a mixture chamber, a combustion chamber, a stationary flow control barrier, and a turbine. The stationary flow control barrier is located between the combustion chamber and the turbine. The arrangement allows the syste... | 04/16/2002 |
| 6282897 | Advanced thermo-electronic systems for hybrid electric vehicles A hybrid propulsion system for vehicles having an electronic storage and drive system for driving a vehicle and a thermal engine for charging and energizing the electrical storage and drive system, the thermal engine having a thermal energy source with a ... | 09/04/2001 |
| 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 |
| 6161374 | Transportation propulsion system A gas turbine engine (8) has a plurality of gas generators (28, 30, 32, 34) which generate and cool pressurized gas streams (38, 40) that are combined in a high efficiency topping cycle in a wave rotor convertor (36). The output of the wave rotor converto... | 12/19/2000 |
| 6141955 | Gas turbine generator with dual steam-injected turbines A gas turbine generator includes a first gas turbine 20 having an air compressor 21, first turbine 24a and a first combustor 25a; a second gas turbine 22 having a second turbine 24b and a second combustor 25b; a generator 27 driven by the first gas turbin... | 11/07/2000 |
| 6135393 | Spacecraft attitude and velocity control thruster system A rocket propulsion system for spacecraft achieves greater economy, reliability and efficiency rocket by incorporating monopropellant RCS thrusters (1a-1f) for attitude control and bipropellant SCAT thrusters (5a-5c) for velocity control. Both sets of thr... | 10/24/2000 |
| 6089011 | Water-injected stoichiometric-combustion gas turbine engine A gas turbine engine having an air compressor and a combustion chamber connected to the air compressor for burning fuel with air from the air compressor. The combustion chamber also has water and/or steam as input. The water and/or steam is combined with ... | 07/18/2000 |
