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8093483 |
Interactive water fountain and a method of interacting with water to provide an auditory or visual effect
An interactive water fountain comprising means for providing at least one column or jet (1) of water, means for applying an electrical signal each column or jet (1), detector means (2) for...
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8052373 |
Multi-rotational crankshaft arrangement
A control mechanism for moving at least two components of a gas turbine engine, the control mechanism comprises first and second crankshafts and a torsion bar connected to both crankshafts, each...
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8011614 |
Bird vortex flying machine
The present invention comprises, in one embodiment, an inexpensive, lightweight flying vehicle using fixed pitch helicopter blades powered by ramjet engines mounted to a power-ring which transfers...
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7854260 |
Steam driven turbine drive
A downhole arrangement including an outer housing, an inner housing disposed within the outer housing and defining with the outer housing a chamber, a turbine disposed within the chamber, and one...
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7837141 |
Reaction drive rotor/wing variable area nozzle
In an exemplary variable area nozzle, a fixed duct section has an inlet and an outlet oriented approximately perpendicular to the inlet. A controllable nozzle member is disposed adjacent the outlet...
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7334990 |
Supersonic compressor
A gas compressor based on the use of a driven rotor having an axially oriented compression ramp traveling at a local supersonic inlet velocity (based on the combination of inlet gas velocity and...
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6798080 |
Hydro-power generation for a water treatment system and method of supplying electricity using a flow of liquid
A hydro-power generation system for use in conjunction with a water treatment system is disclosed. The embodiments of the hydro-power generation system include an impeller rotatably positioned in a...
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6131849 |
Articulating/telescoping duct for reaction drive helicopters
An articulating and telescoping duct is provided for use in a helicopter reaction drive flow path for ducting the exhaust and/or bypass gases from the aircraft engine into the flow ducts of the...
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5984635 |
Keller pressure jet rotor system
A helicopter aircraft with an upper hollow center circular plenum in gaseous communication with a plurality of hollow hinged attached rotor blades. Below the plenum and in gaseous communication...
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5791601 |
Apparatus and method for aerodynamic blowing control using smart materials
A method and apparatus for controlling the blowing of compressed air from an aerodynamic structure such as an aircraft wing or helicopter rotor blade and thus controlling the aerodynamic properties...
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5641269 |
Helicopter rotor seal assembly
A helicopter rotor seal for gas-driven helicopters wherein the rotor is rotatably driven by a compressed air jets at the tips of the rotors directed rearwardly with respect to rotor rotation. A...
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5529458 |
Circulation control aerofoils
A circulation control aerofoil having an internal chamber for receiving during operation air for exhaust through a circulation control air exhaust slot defined by spaced-apart slot lips is provided...
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5149014 |
Rotary wing aircraft
A rotary wing aircraft with rotor blades mounted on a rotor head and with reaction drive. The rotor blades have hollow interiors and are provided on their trailing edge with at least one outlet...
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4980835 |
Control law system for X-Wing aircraft
Control law system for the collective axis, as well as pitch and roll axes, of an X-Wing aircraft and for the pneumatic valving controlling circulation control blowing for the rotor. As to the...
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4966526 |
Mechanically actuated slot for circulation control rotor
A circulation control rotor system for aircraft in which compressed air is directly supplied at generally constant pressure to plenums in the rotor blades and discharged through area controlled...
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4799859 |
Helicopter rotor blade control
The present invention relates to a circulation flow control rotor system for an aircraft which includes rotor blades provided with slit shaped blower nozzles further comprising control devices for...
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4770607 |
Rotor blade construction for circulation control aircraft
A circulation control aircraft rotor blade of advanced composite material having a spanwise Coanda surface 16 and a plurality of spanwise extending flexible panels 18 cooperating with the Coanda...
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4630997 |
Apparatus for producing a force when in a moving fluid
A device for producing a force when in a moving fluid, such as air or water, and a method for using said device. The device may be placed in a fluid moving in a first direction for producing a...
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4626171 |
Rotor blade construction for circulation control aircraft
A circulation control aircraft rotor blade having a spanwise Coanda surface 16 and a plurality of spanwise extending flexible composite material panels 18 cooperating with the surface to define...
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4589611 |
Air jet reaction contrarotating rotor gyrodyne
A high wing, twin jet gyrodyne having air jet reaction, contrarotating rotors powered with bypass air from twin turbofan engines. Tail pipes from the turbofan engines are disposed parallel to and...
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4573871 |
X-Wing aircraft circulation control
X-wing aircraft employ a rigid rotor-wing utilizing symmetrical circulation irfoils. The rotor is driven mechanically, and lift is achieved by modulation of air circulation about the base airfoils....
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4555079 |
Multiple jet blowing around the blunt trailing edge of a circulation controlled airfoil
A circulation controlled airfoil has a body structure with leading and trailing ends and upper and lower surfaces extending therebetween, and a cylindrical member disposed along the trailing end of...
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4534702 |
Pneumatic control valve actuator computer control arrangement
Quad-redundant signal processors in a flight control computer control valves to modulate airflow in a circulation control rotor system. The valves are arranged in a series and each valve is...
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4519563 |
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...
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4493612 |
Axially slideable plenum for circulation control aircraft
Mechanical collective pitch control system for a circulation control rotor system aircraft utilizing an axially moveable pneumatic system plenum 32 in the collective pitch control system.
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4466245 |
Power plant having a fluid powered flywheel
A power plant having a fluid powered flywheel is disclosed. The flywheel comprises internal cylinder spaces which extend radially outwardly from a central region of the flywheel but which curve in...
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4463920 |
Thrust deflector and force augmentor
A non-moving fluid thrust deflector and force augmentor is disclosed for aerodynamic and hydrodynamic vehicles and devices. When the deflector is utilized in an aerodynamic application and in...
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4452566 |
Reactive impeller for pressurizing hot flue gases
A reactive impeller for pressurizing hot flue gases. The impeller has a hub and blades exposed to the gases. The hub and blades are cooled by an internal cooling fluid, which is expelled from...
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4424042 |
Propulsion system for an underwater vehicle
A propulsion system for an underwater vehicle includes a solid propellant gas generator producing gas which drives a gas turbine. The turbine drives one, or alternately two, centrifugal pumps which...
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4218185 |
Flexible fluid conduit for propeller shaft
This disclosure is directed to a flexible fluid conduit means for directing fluid from a pressure source to a propeller of a ship for minimizing cavitation. The conduit is formed of split annular...
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4192461 |
Propelling nozzle for means of transport in air or water
The invention relates to the propulsion of transport vehicles in air or water, which involves the new use of a nozzle comprising an internal surface, a curved surface merging into the internal...
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4189283 |
Rotor hub for a helicopter
A rotor hub for a helicopter having a hum member rotatably mounted to a rr mast stationarily attached to the fuselage of a helicopter and forming an air plenum for circulation control. A shaft,...
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4178125 |
Bucket-less turbine wheel
A turbine designed for use with steam contaminated with corrosives, the turbine has a plurality of turbine wheels with a peripheral rim around which are symmetrically arranged a plurality of...
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4169567 |
Helicopter lifting and propelling apparatus
A helicopter rotor is formed with spars and ribs. The spars form parts of the surfaces, and long slots are constructed in the spars to provide suction and blower slots. Air is withdrawn in slots...
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4137008 |
Adjustable blowing slot for circulation control airfoil
A circulation control airfoil having an edge slot formed by upper and lower uct panels. A plurality of struts are spaced along the length of the edge slot and are adjustably attached to the upper...
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4132500 |
Controllable and programmable fluid flow modulation system
This fluid valve is mounted in the hub of a circulation control helicopter otor to modulate the flow of air through the hub to the blowing slots on the leading and trailing edges of the blades. The...
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4131390 |
Circulation controlled rotor blade
A circulation controlled rotor blade which reduces rotor flutter by introing a laminar flow over the trailing edge. A trailing edge structure has a deformable tube to control a spanwise slot formed...
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4127244 |
Rotary wing aircraft mast arrangement
A universally flexible rotor mast for a rotary wing aircraft wherein the universal flexing of the mast is accomplished by the use of multiple elastomer mounts of elastomer metal plate sandwich...
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4109885 |
Vertical take-off and landing aircraft
A vertical take-off and landing aircraft features an improved tail-lifting rotor and rotor directional controls. A new type of suction pressure jet-mechanical-flap rotor blade with a higher...
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4050849 |
Hydrodynamic transmission for ship propulsion
The present invention relates to a hydrodynamic transmission for ship propulsion comprising a prime mover driving an axial flow pump in combination with an open, water-powered turbine for driving...
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4040578 |
Rotor vortex control
This invention is for rotating machines of all types such as helicopters, propellers, compressors, to be equipped with slotted tube or a tube with series of holes extending outwardly in the...
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3990811 |
Circulation controlled rotary wing aircraft and control system therefor
A control system for rotary wing aircraft having a circulation controlled tor is provided. Two axial flow air compressors driven from the engine input shaft provide an air flow which is ducted to...
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3964838 |
Balanced airflow control valve for helicopter blade
An airflow control valve for a circulation control rotor helicopter blade wherein the airflow path is equally distributed about the closure element so as to prevent the generation of unbalanced...
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3936013 |
Vortex control
This invention is for wings of all types, such as fixed wings for aircraft and hydrofoil boats, and rotary blades (or wings) for helicopters and turbines, to be equipped with a slotted tube, or a...
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3930625 |
Steam-powered aircraft
A steam generator on the aircraft selectively delivers high-pressure steam to atmospheric discharge jets on a lift rotor and/or to peripheral jets on a forwardly-directed propulsion propeller. The...
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3918833 |
Circulation control rotor hub using teacup cam and pushrod valves
A circulation control rotor (CCR) hub having pushrod valves at the inlet to each blade air channel; the valves are operated by either of two cams that have profiles which approximate teacups. One...
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3917435 |
Cam and nozzle control valve for fluid flow modulation
A hub valve for a CCR helicopter comprising a nonrotating central cam and a movable nozzle at the inlet to each blade. The cam determines the azimuthal position and relative magnitude of the cyclic...
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3915414 |
Rotating aircraft and aircraft control system
An aircraft is described which in configuration is simply a pod from which a single wing extends. The aircraft flies by rotation within an air mass to produce lift with the wing. The rotation is...
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3904313 |
Higher harmonics hub valve
A hub valve for a circulation control rotor having the inherent capability of producing pulses of air at a given frequency and at harmonics of that frequency. The valve comprises a series of...
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3891163 |
Circulation control airfoil
A main structural spar for a circulation control airfoil with a slot blade ttached to the spar and a Coanda surface below the blade. Longitudinally spaced ribs attached to the slot blade and a...
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