Class 244/73R - Fluid

Subclass of Class 244 - Aeronautics and astronautics
Definition: The arrangement relative to aircraft and the combination
No. of patents: 35
Last issue date: 08/05/2008

Number	Title	Issue Date
7407132	Method of steering aircraft by moving the stagnation point and aircraft using the method An aircraft which includes elements providing air circulation and directing the circulation along a housing. Different operational stages of the aircraft such as take off and level flight are achieved by using the same functionally inter-connected elements. The circ...	08/05/2008
7364115	System and method for controlling engine RPM of a ducted fan aircraft An aircraft including a ducted fan and an engine for driving the ducted fan includes a plurality of vanes movably mounted to the aircraft at a substantially rectangular exhaust end of the aircraft. Each of the plurality of vanes is substantially rectangular or squar...	04/29/2008
7364118	Propulsion arrangement In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assemblies 9; 31, 32, 33 are provided in aircraft structures in particular the wing 7; 30. The assemblies ...	04/29/2008
7287725	Missile control system and method A missile includes a control system having divert and attitude control system thrusters with control valves. Each of the control valves has a nozzle plate having a plurality of small nozzles therein. The nozzle plate includes a pair of portions, one of which is rota...	10/30/2007
7104499	Rechargeable compressed air system and method for supplemental aircraft thrust A system for providing aircraft thrust includes a compressor, operable to take in a quantity of air, reduce the volume of the air to generate compressed air, and to deliver the compressed air to a tank. The tank is coupled to the compressor and is operable to receiv...	09/12/2006
7096662	Variable area throat exhaust nozzle with vectorable sideways shifting of exhaust flow A nozzle includes a sideways split and aftwardly swept nozzle ramp extends between a fixed lower nozzle wall and a pivotal upper nozzle wall pivotally connected to an aft end of the nozzle and operable to vary a throat area of a throat of the nozzle. The upper and l...	08/29/2006
7055307	Vectorable nozzle with sideways pivotable ramp A vectorable nozzle includes a longitudinally extending upper fixed wall spaced upwardly and aftwardly of a longitudinally extending lower fixed wall and an aftwardly swept fixed ramp extending between the upper and lower fixed walls. The upper and lower fixed walls...	06/06/2006
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
6964154	Axisymmetric, throttleable non-gimballed rocket engine A rocket engine assembly is provided for a vertically launched rocket vehicle. A rocket engine housing of the assembly includes two or more combustion chambers each including an outlet end defining a sonic throat area. A propellant supply for the combustion chambers...	11/15/2005
6857600	Infrared suppressing two dimensional vectorable single expansion ramp nozzle A two dimensional gas turbine engine exhaust nozzle includes transversely spaced apart upper and lower convergent and divergent flaps and extending longitudinally in a downstream direction and between two widthwise spaced apart sidewalls. The divergent flaps have in...	02/22/2005
6837456	Microjet based control system A microjet based control system helps control the feedback loop that is created by an impinging jet of a STOVL aircraft. A plurality of microjets circumferentially encompass the outer periphery of the impinging jet and each issues a jet flow toward the jet flow crea...	01/04/2005
6502787	Convertible vertical take-off and landing miniature aerial vehicle A vertical take-off and landing miniature aerial vehicle includes an upper fuselage segment and a lower fuselage segment that extend in opposite directions from a rotor guard assembly. A rotor rotates within the rotor guard assembly between the fuselage s...	01/07/2003
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
6290184	Flying craft with water and air propulsion source A propulsion system for a flying craft uses an air and water fuel source to provide propulsion thrust. The system includes two steam generating units, one attached directly to a compact turbine and the other connected to a compressor. The compressor compr...	09/18/2001
6250586	Apparatus and method for controlling the motion of a solid body or fluid stream This invention discloses a fluid dynamic system including a fluid medium separated from a solid medium by a solid boundary, one of which media is moving with respect to the other, apparatus for controlling the motion of the moving medium, comprising, a pe...	06/26/2001
6227486	Propulsion system for earth to orbit vehicle A single-stage earth-to-orbit launch vehicle employs a combination of rocket engines and turbojet engines to propel a device into orbit. The vehicle is driven through a unique set of operating conditions of the engines to conserve oxidizer and optimize ac...	05/08/2001
6070830	Faceted exhaust nozzle A fixed geometry duct defining a gas turbine engine exhaust nozzle includes a plurality of circumferentially adjoining flat triangular facets and coaxial first and second openings at opposite ends thereof. A method of making the duct includes scribing a p...	06/06/2000
5996936	Fluidic throat exhaust nozzle An exhaust nozzle for a gas turbine engine includes a converging inlet duct disposed in flow communication with a diverging outlet duct at a throat therebetween. An ejection slot is disposed at the throat, and compressed air from the engine is selectively...	12/07/1999
5947412	Jet engine noise suppressor assembly The present invention relates to a noise supressor assembly for a jet engine comprised of a plurality of conduit assemblies proximate the trailing edges of the wall members which capture a portion of an ambient gaseous stream flowing in an ambient flow fo...	09/07/1999
5586735	Two-dimensional supersonic and hypersonic air intake, with three movable ramps, for the combustion air of an aircraft engine The air intake includes two main flaps (1, 2) facing each other and each pivoting about a pin (4, 5) adjacent to a wall (6, 7) extending the flap in question (1, 2) rearwards, and in which a first boundary layer bleed (8a, 8b) is arranged, the pins (4, 5)...	12/24/1996
5505408	Differential yoke-aerofin thrust vector control system An actuation system for controlling the steerable nozzle of a missile or like vehicle is combined with an aerofin control system, both of which are driven in unison by associated drive motors and gear assemblies, one set for each aerofin. The nozzle steer...	04/09/1996
5295645	Aircraft variable geometry nozzle The present invention relates to a method and apparatus for providing an operable divergent/convergent variable geometry exhaust nozzle for jet propelled aircraft. A multiplicity of hinged, overlapping, nozzle blades circumferentially surround the exhaust...	03/22/1994
5186390	Propelling nozzle A propelling nozzle has upper and lower primary and secondary flaps which are disposed opposite one another at a mutual distance and which are sealingly movably guided between lateral wall portions of a four-cornered nozzle housing. The primary flaps are ...	02/16/1993
5147429	Mobile airborne air cleaning station The airborne air cleaning station features a dirigible supporting a gigantic collector hood exteriorly mounted thereto, and an enlarged housing having a plurality of different types of air cleaning devices contained therein. The collector hood funnels pol...	09/15/1992
5135184	Propellant utilization system The invention is a propellant utilization system for flight vehicles operating in both the subsonic and supersonic speed ranges. In particular, the invention uses steam and water produced in the system to replace hydrogen as a coolant and for power genera...	08/04/1992
4919364	Propulsion system for hypersonic flight A propulsion system for an aircraft capable of hypersonic flight combines a turbo-jet with a ramjet which are so arranged that the ramjet or jets are located directly adjacent to the aircraft body while the turbo-jet or jets are located away from the airc...	04/24/1990
4848701	Vertical take-off and landing aircraft A fixed wing airplane having a turbofan engine mounted within its fuselage is equipped with communicating air-handling chambers, and pivoted panels positioned in the upper surfaces of the wings and stabilizers. The arrangement of air-handling chambers and...	07/18/1989
4817890	Multiple-propellant air vehicle and propulsion system An aircraft having a propulsion system which utilizes a dual fuel system having an inner tank for containing a cryogenic fuel and an outer tank surrounding the inner tank for containing a second fuel wherein the second fuel is a fuel having a low freezing...	04/04/1989
4451015	Jet engine two dimensional, asymmetric afterburner nozzle An improved jet engine two dimensional, asymmetric afterburner nozzle of the type adapted to be mounted on a jet engine suspended from an airfoil's wing spar structure, and characterized by its low profile configuration, simplicity of construction, and la...	05/29/1984
4362280	Method and apparatus for reducing destructive effects of tornados A method of reducing the destructive effects of a tornado, which has a rotary motion about a center and has at least one clear air inflow region at its periphery, comprises towing through the inflow region one or more fluid dynamic converters which impart...	12/07/1982
4343446	V/STOL Aircraft A twin-engined VTOL/STOL aircraft comprising a rearwardly bifurcated fuselage 10 is proposed which in the event of failure of one engine 20 will allow the other engine 20 to produce a thrust which is not assymetric relative to the longitudinal axis of the...	08/10/1982
4273302	Aircraft with counterrotating members A rotationally symmetrical supporting member provides lift in response to movement of air over its upper surface, and such air movement is produced by the impeller of a coaxially arranged drive unit, the base of which is connected to the supporting member...	06/16/1981
4230292	Propulsion/control for VTOL vehicle A propulsion/control system for aircraft of the vertical takeoff and landing type having a body without wings or tail and relying entirely on fluid streams for effecting liftoff, propulsion, and control. The body has an air duct with an inlet adjacent the...	10/28/1980
4214722	Pollution reducing aircraft propulsion Aircraft engine exhaust is mixed with air and fuel and recombusted. Air is drawn into the secondary combustion chamber from suction surfaces on wings. Exhaust of the secondary combustion chamber is blown over wing and fuselage surfaces....	07/29/1980
4196585	Ejector-type engine thrust augmentor An ejector-type engine thrust augmentor intended for use in aircraft, e.g. in agricultural aviation. The thrust augmentor comprises an ejector shroud and a shell in the form of a truncated cone. The shell is located between the nozzle and the ejector shro...	04/08/1980

PatentStorm

Quotables

PatentStorm News

Class 244/73R - Fluid