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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 8066219 | Anhedral tip blades for tiltrotor aircraft A tiltrotor aircraft having a fixed wing and tilting rotors has a rotor blade with a shaped tip portion that provides improved hover performance. The shaped tip portion preferably has a terminal anhedral of at least 20° with respect to its stacking line, and the bl... | 11/29/2011 |
| 7874513 | Apparatus and method for vertical take-off and landing aircraft A fixed wing Vertical Take-Off and Landing (VTOL) aircraft for use as a Personal Air Vehicle (PAV) or unmanned vehicle. A first double-ended drive shaft engine is mounted sideways in the front of the fuselage to serve a first pair of ducted fans mounted at the ends ... | 01/25/2011 |
| 7861967 | Aircraft with integrated lift and propulsion system A vertical take off and landing (VTOL) aircraft is designed to be so efficient that it can be commercially competitive with runway dependent aircraft operating in a range of 100 to 1000 miles. Improvements include a high efficiency tilting rotor and wing design that... | 01/04/2011 |
| 7857254 | System and method for utilizing stored electrical energy for VTOL aircraft thrust enhancement and attitude control A system and method are provided for a short take-off and landing/vertical take-off and landing aircraft that stores required take-off power in the form of primarily an electric fan engine, and secondarily in the form of an internal combustion engine, wherein the co... | 12/28/2010 |
| 7753309 | VTOL/STOL tilt-prop flying wing An aircraft comprises two wings, a fuselage, a tail planform and a pair of counter-rotating propellers. The two wings are located at a longitudinal center of gravity of the aircraft. The fuselage is located forward of the longitudinal center of gravity and coupled t... | 07/13/2010 |
| 7584924 | High speed vertical take-off and land aircraft with active fan balancing system A high-speed vertical take-off and land aircraft includes a body with an engine supported by the body. A fan assembly is also carried by the body. The fan assembly includes a hub and a plurality of blades to provide vertical lift for the aircraft. A nozzle ring is p... | 09/08/2009 |
| 7410122 | VTOL UAV with lift fans in joined wings A vertical takeoff and landing (“VTOL”) aircraft, e.g., an unmanned aerial vehicle (“UAV”), includes an elongated fuselage having a pair of forward swept wings and a pair of rearward swept canards, the outer tips of which are respectively joined with a respe... | 08/12/2008 |
| 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 |
| 7357352 | Air vehicle assembly and an associated control system and method An air vehicle assembly and a corresponding method for launching an air vehicle assembly are provided, along with corresponding control systems and methods. The air vehicle assembly may include a plurality of air vehicles releasably joined to one another during a po... | 04/15/2008 |
| 7341225 | Aircraft wing and aeroengine arrangement for attenuating engine noise An aircraft comprising an aeroengine and a noise reflective surface, the aeroengine capable of generating a hot exhaust jet and noise characterized in that the reflective surface is profiled to reflect noise from the aeroengine into the hot exhaust jet thereby atten... | 03/11/2008 |
| 7322545 | Structural mechanism for unlocking and engaging a controllable surface on a hinged platform (wing) A structural mechanism for an aircraft includes a support, a hinged surface, and a hinge assembly joining the hinged surface to the support. An actuation system includes an actuator shaft engaged to the hinges and lying coincident with a hinged-surface hinge axis an... | 01/29/2008 |
| 7267300 | Aircraft capable of vertical and short take-off and landing Aircraft comprising an airframe having a forward end, an aft end opposite the forward end, a top extending between the forward end and the aft end, and a bottom opposite the top side. The aircraft further includes a power plant mounted on the airframe. In addition, ... | 09/11/2007 |
| 7255306 | Method and computer program product for controlling the control effectors of an aerodynamic vehicle A method and computer program product are provided for controlling the control effectors of an aerodynamic vehicle including, for example, the respective positions of nozzles and aerodynamic surfaces, to affect a desired change in the time rate of change of the syst... | 08/14/2007 |
| 7252264 | Flying sailboat A vehicle adapted for airborne flight and waterborne sailing has a fuselage (20) with left and right wings (52, 54) that pivot independently about a respective longitudinal axis from a generally horizontal orientation for flight to a generally vertical... | 08/07/2007 |
| 7246769 | Vehicles particularly useful as VTOL vehicles A vehicle including a fuselage, at least one lift-producing propeller carried by the fuselage on each side of its transverse axis a pilot's compartment formed in the fuselage between the lift-producing propellers and substantially aligned with the longitudinal axis,... | 07/24/2007 |
| 7219859 | Multipurpose modular spacecraft A reentry vehicle includes a nose section, a modular section comprised of two or more connected modules, a flared section. The nose section is connected to a first end of the modular section, and the flared section is positioned proximate a second end of the modular... | 05/22/2007 |
| 7188803 | Vertical take-off and landing aircraft A vertical take-off and landing aircraft is provided with a plurality of thrust generators which generate thrust substantially vertically upward with respect to the aircraft; a first prime mover which drives the thrust generators, and an occupant seat. At least one ... | 03/13/2007 |
| 7188802 | Convertible aircraft provided with two tilt fans on either side of the fuselage, and with a non-tilting fan inserted in the fuselage The present invention relates to a convertible aircraft provided with first and second tilt fans disposed on either side of the fuselage a little forward of the center of gravity of the convertible aircraft. In addition, the convertible aircraft includes, in remarka... | 03/13/2007 |
| 7185853 | Air discharge valve for an aircraft An air discharge valve for an aircraft has an inner valve flap (1) and an outer valve flap (3) which partially overlap each other to form a nozzle of the Laval type with a nozzle inlet (6) converging toward a nozzle neck (S) and with a nozzle ou... | 03/06/2007 |
| 7174300 | Dialog processing method and apparatus for uninhabited air vehicles A dialog processing method and apparatus for uninhabited air vehicles is described. The apparatus contains a recognition unit for recognizing incoming data, an interpretation unit for interpreting the data according to a grammar and a response unit for generating an... | 02/06/2007 |
| 7143973 | Avia tilting-rotor convertiplane The present invention provides a tilt rotor aircraft having a centrally mounted tiltable engine and rotor assembly. A turbine or other type of engine (or engines) is pivotally mounted on a central frame above and between the pilot and co-pilot, who occupy separate a... | 12/05/2006 |
| 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 |
| 7128293 | Helicopter A helicopter has a power unit supported on an arch support member above an airframe. The power unit may be moved forward and rearward by a trim actuator to trim the helicopter and tilted about pitch and roll axes by control actuators for directional control. The con... | 10/31/2006 |
| 7121506 | Remotely controlled model airplane having deflectable centrally biased control surface A remotely controlled model airplane includes a receiver responsive to signals from a transmitter to control the direction of flight of the model airplane. The receiver, powered by a battery, demodulates the signal transmitted by the transmitter to selectively energ... | 10/17/2006 |
| 7118066 | Tall V/STOL aircraft A vertical or short takeoff and landing (V/STOL) airplane is described having a vertical form factor. Making the airplane tall has many advantages when operating in hover mode close to the ground. Several variations of the design are described. The preferred embodim... | 10/10/2006 |
| 7107755 | Engine arrangement An engine arrangement (14) comprises a gas turbine engine unit (16) and first and second support members (18, 20) extend from a structural component (24) of the engine casing (22) to support the engine unit in a position spaced fro... | 09/19/2006 |
| 7104498 | Channel-wing system for thrust deflection and force/moment generation An aircraft comprising a Channel Wing having blown channel circulation control wings (CCW) for various functions. The blown channel CCW includes a channel that has a rounded or near-round trailing edge. The channel further has a trailing-edge slot that is adjacent t... | 09/12/2006 |
| 7093789 | Delta-winged 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 may have the shape of a delta-wing. In some embodiments, the hybrid airship may be launched using buoyancy lift alone and aero... | 08/22/2006 |
| 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 |
| 7090549 | System to propel an air powered boat Air propulsion system for a boat comprises an internal combustion engine for powering a propeller in a single rotational direction. A pivoting mechanism pivots the propulsion system through a 360 degree arc about a transverse horizontal axis from a first position in... | 08/15/2006 |
| 7059562 | Vertical lift flying craft A disclosed vertical lift flying craft includes a lift unit that, during operation, develops a force including an upward component. A payload unit suspends from the lift unit. The payload unit suspends from the lift unit in such a way as to impart lateral stability ... | 06/13/2006 |
| 7059931 | Reduced visibility rotorcraft and method of controlling flight of reduced visibility rotorcraft A rotary aircraft (rotorcraft) in which the entire aircraft rotates about its center of mass as it flies, and in which the center of mass is located external to the aircraft in the generally triangular region formed by the aircraft's single wing and two propellers. ... | 06/13/2006 |
| 7011274 | Aircraft The invention concerns a land and flying vehicle with its tubular frame, 2 main rotors with blades and adjustable pitch-propellers, with its drive propelled by the force of a hydraulic turbine located at the end of its driving shaft. Said force is propelled by a ver... | 03/14/2006 |
| 7004428 | Lift and twist control using trailing edge control surfaces on supersonic laminar flow wings An aircraft includes a fuselage, thin supersonic wings on the fuselage, there being trailing edge flaps carried by the wings, the flaps configured to provide flap deflection to simultaneously control wing twist and to reduce drag, when the aircraft is operated at su... | 02/28/2006 |
| 7004426 | Control system for rotorcraft for preventing the vortex ring state A flight control system for a rotorcraft to prevent the adverse effects of the vortex ring state is disclosed. In the flight control system of the present invention, selected control inputs are sent the rotorcraft prior to the onset of the vortex ring state. In the ... | 02/28/2006 |
| 6978970 | Aircraft with foldable tail assembly A foldable tail assembly for an aircraft includes a stabilizer and a pair of right and left fins mounted with respect to the stabilizer so that the fins may lay flat over the stabilizer during periods when the aircraft is not flight-ready, and so that the fins may b... | 12/27/2005 |
| 6976655 | Mounting arrangement A mounting arrangement (26) is provided for mounting an engine (10), typically a gas turbine engine, to a vehicle. The mounting arrangement (26) includes connecting means (28, 30) constructed to extend from a core assembly (14) of ... | 12/20/2005 |
| 6976654 | Vertical takeoff and landing aircraft A flight capable mobile platform adapted for covert deployment is provided. The mobile platform is additionally adapted to have a reduced vulnerability to hostile detection and aggression. The mobile platform includes a fuselage having a pair of sidewalls and a bott... | 12/20/2005 |
| 6974105 | High performance VTOL convertiplanes A single-tilt-rotor VTOL airplanes have a tiltable rotor attached to an elongated power pod containing the collective and cyclical pitch mechanism, and transmission. The power pod is pivotably attached to a base that is slidably mounted on a pair of slotted guide be... | 12/13/2005 |
| 6948682 | Lifting body aircraft and reentry vehicle A lifting body aircraft suitable for atmospheric flight and/or as a reentry vehicle. The craft has a substantially flat upper surface, a lower surface with a doubly convex first section and a flat sloping second section. The doubly convex first section allows the cr... | 09/27/2005 |
