Class 244/7C - Tilting wing

Subclass of Class 244 - Aeronautics and astronautics
No. of patents: 45
Last issue date: 12/27/2011

Number	Title	Issue Date
8083172	Combination spar and trunnion structure for a tilt rotor aircraft An aircraft is equipped with a spinnion coupling an inboard wing to a tilting nacelle. The spinnion is advantageously configured to extend across the nacelle from an inboard junction to an outboard junction, and terminates inside the inboard wing. This provides an e...	12/27/2011
8070090	Stop-rotor rotary wing aircraft Systems and methods for transitioning an aircraft between helicopter and fixed wing flight modes are provided. In one embodiment, an aircraft comprises a plurality of wings each having a spar and a flap; a flap actuator configured to move the flap with respect to th...	12/06/2011
7802754	Tilt outboard wing for tilt rotor aircraft Tilt-rotor aircraft experience increased efficiency and fuel economy by including wing extensions outboard of the tilting nacelles. Stall and buffeting during conversion from rotor-born hover to wing-born forward flight are reduced to an acceptable level using wide ...	09/28/2010
7441724	System and method for controlling a roll rate of a torsionally-disconnected freewing aircraft An aircraft includes a fuselage, and first and second freewings. Each of the first and second freewings is separately mounted to the fuselage and independently freely pivotable about respective pivot axes. The aircraft includes an angular rate sensor configured to m...	10/28/2008
7367530	Aerospace vehicle yaw generating systems and associated methods Aerospace vehicle yaw generating systems and associated methods are disclosed herein. One aspect of the invention is directed toward a yaw generating system that can include an aerospace vehicle having a fuselage with a first portion and a second portion. The system...	05/06/2008
7357358	Aircraft leading edge device systems and corresponding sizing methods Aircraft leading edge device systems and methods for sizing such systems are disclosed. In one embodiment, a spanwise lift coefficient distribution for an airfoil corresponding to at least one design condition and at least one aircraft angle of attack is identified,...	04/15/2008
7334755	Tandem rotor wing and tandem fixed wing aircraft Aircraft comprising an airframe having a fuselage, at least two fixed wing sets. A first fixed wing set of the fixed wing sets is positioned closer to a forward end of the fuselage than a second fixed wing set and the second fixed wing set is positioned closer to th...	02/26/2008
7311288	Aircraft wing structure and a method for decreasing flight speed of the aircraft The invention provides a wing structure for an aircraft, including a top skin and a bottom skin defining a primary wing surface, the surface having a width, a length, a leading edge and a trailing edge; a flap having a width smaller than the width of the wing surfac...	12/25/2007
7246770	Aircraft with rotatable leading edge of fuselage and wings A rotatable leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be rotated from an undeflected or retracted position adjacent to the fuselage and wings to a deflected or extended position. In the extended position, the leading e...	07/24/2007
7204454	Aircraft with articulated leading edge of fuselage and wings An articulated leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be moved from an undeflected or retracted position adjacent to the fuselage and wings to a deflected or extended position. The leading edge includes fuselage and...	04/17/2007
7185859	Aerospace vehicle yaw generating systems and associated methods Aerospace vehicle yaw generating systems and associated methods are disclosed herein. One aspect of the invention is directed toward a yaw generating system that can include an aerospace vehicle having a fuselage with a first portion and a second portion. The system...	03/06/2007
7165744	Turbine engine arrangements A fan turbine engine arrangement is provided in which a core engine is aligned such that an input of a nacelle is aligned with the upwash of a wing to which the arrangement is secured. The engine drives a fan such that bypass flows produced by the fan are guided by ...	01/23/2007
7150429	Tandem powered power tilting aircraft An aircraft with a long body 1 which has a forward end 2 and an aft end 3, which is able to achieve vertical take-off by means of a tiltable rotor and blade assembly 4 at the forward part of the aircraft and a tiltable turbojet 19 ...	12/19/2006
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
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
7014142	Low-drag rotor/wing flap Rotor/wing aircraft having a low-drag flap are disclosed. In one embodiment, a rotor/wing aircraft includes an elongated blade having a body portion and a flap portion. The body portion has first and second edges and includes a non-symmetric portion proximate the se...	03/21/2006
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
6896221	Vertical takeoff and landing aircraft A vertical takeoff and landing aircraft, which includes pivotal wing and engine assemblies on a fuselage with tail assemblies extending from each of the wing assemblies and the engines being operable in turbo prop or pure jet mode, wherein the aircraft is configured...	05/24/2005
6659394	Compound tilting wing for high lift stability and control of aircraft An aircraft including a fuselage, a compound tilting wing (CTW) and aircraft engines mounted on the aircraft. The CTW includes a leading edge wing portion and a tilting main wing portion. The leading edge wing portion and the tilting main wing portion eac...	12/09/2003
6607161	Convertible aircraft with tilting rotors Improving convertible aircraft of the aforementioned type mainly in terms of the active control of vibrations, while at the same time avoiding the addition of significant additional masses for essentially countering the excitations caused by the rotors an...	08/19/2003
6367736	Convertiplane A convertiplane having a wing in turn having two halfwings, each defined by a fixed portion adjacent to the fuselage, and by a movable portion rotating, with respect to the fixed portion, about a beam element extending the full length of the wing; the bea...	04/09/2002
6227481	Method and apparatus for controlling force fights in a rotating shaft An improved tilting rotor aircraft, a control system for an elongated shaft, and a method of controlling an elongated shaft are provided. Sensors are utilized to detect an amount of twist on a flexible and elongated shaft. A controller receives the signal...	05/08/2001
6138943	Foldable ascending/descending wing stand for flying apparatus A fordable ascending/descending wing stand for a flying apparatus is disclosed. The wind stand includes a base supported on a car by a number of supporting rods. A frame is mounted on the base, provided with four propellers capable of generating a require...	10/31/2000
6064923	Aircraft with reduced wing structure loading An aircraft having a reduced-load wing structure is provided with a controllable canard stabilizer (5G, 5D) at the front end of the aircraft and a controller that controls the canard stabilizer. The controller generates a turn command corresponding to an ...	05/16/2000
5823468	Hybrid aircraft A hybrid aircraft is taught having VTOL, R-VTOL and S-STOL capabilities. The aircraft has a lifting body hull and four wing sections arranged in tandem which are pivotally moveable about their neutral axis. Each wing section has mounted thereon a pivotal ...	10/20/1998
5765777	STOL/VTOL free wing aircraft with variable pitch propulsion means A VTOL/STOL free wing aircraft includes a free wing having wings on opposite sides of a fuselage connected to one another respectively for free rotation about a spanwise access. Improved control upon landing of the aircraft is achieved by utilizing a vari...	06/16/1998
5765783	Vertically launchable and recoverable winged aircraft A vertically launchable and recoverable winged aircraft includes an airframe, a least one proprotor connected to the airframe through a rotatable drive shaft, and collective and cyclic pitch control systems. The airframe includes a wing having a leading e...	06/16/1998
5758844	Vertical/short take-off and landing (V/STOL) air vehicle capable of providing high speed horizontal flight The vehicle includes a fuselage; a plurality of lifting surfaces attached to the fuselage having control devices attached thereto; and, an articulated propulsion system attached to the fuselage. The propulsion system includes a duct assembly pivotally con...	06/02/1998
5405105	Tilt wing VTOL aircraft A tilt wing VTOL aircraft has a fuselage with sides and an upper surface, an upper wing having a leading edge, a trailing edge, a chord, a lower surface and an upper surface. The wing is pivotally mounted on the fuselage for rotation from a cruise flight ...	04/11/1995
5381985	Wingtip mounted, counter-rotating proprotor for tiltwing aircraft A tiltwing aircraft, capable of in-flight conversion between a hover and forward cruise mode, employs a counter-rotating proprotor arrangement which permits a significantly increased cruise efficiency without sacrificing either the size of the conversion ...	01/17/1995
5236149	Boundary layer control device for tilt rotor configuration A boundary layer control device including a rotating cylinder mounted on a shaft disposed along the trailing edge of the wing of an aircraft and a flap structure secured to the shaft on which the rotating cylinder is mounted. In the preferred embodiment, ...	08/17/1993
5201479	Self-monitoring latch pin lock for folding wing aircraft A latch pin and locking system for use in connection with an aircraft having folding wings or wing tips. The system includes a plurality of individual latch pin units, each of which has a pin that is hydraulically driven in extension and retraction. When ...	04/13/1993
5141176	Tilt wing VTOL aircraft A tilt wing VTOL aircraft has an upper wing with a leading edge, a trailing edge, an inboard area adjacent the fuselage, spaced opposite end tip areas and an upper surface. The wing is pivotally mounted on the fuselage for rotation from a cruise position ...	08/25/1992
5137228	Rotary wing with torsionally flexible blades A controllable lifting rotary wing for an aircraft wherein each rotor blade is of torsionally flexible construction and control may be accomplished by twisting the rotor blades. The root end of each blade is mounted to a central hub by means which allow b...	08/11/1992
5096140	Aircraft with engine pods tiltable about a transverse axis The invention concerns an aircraft with engine pods located outboard on the wings and tiltable about a transverse axis. A fixed wing centerpiece is provided which terminates at the outside in each spanwise direction in a separation location. A through tub...	03/17/1992
5054716	Drive system for tiltrotor aircraft A drive system for a tiltrotor aircraft that provides for the operation of both proprotors by either engine or by both engines. The drive system provides an interconnecting drive shaft that extends between and connects the engines in such a manner that po...	10/08/1991
4928907	Compound helicopter with no tail rotor This helicopter invention uniquely has no anti-torque tail rotor. The tail propeller is used only for forward thrust during the airplane mode of flight and during the transition from vertical helicopter flight to forward airplane mode of flight, when the ...	05/29/1990
4925131	Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing An aircraft has a pair of wing portions with propellers of a propeller pair which are driven and synchronized by a fluid transmission between the power plant and the propellers. A fluid line structure keeps most components of the craft together and consis...	05/15/1990
4923144	Aircraft with pivotable wing and arrestable propellers The invention provides an aircraft with propellers with vertical and horizontal axes in combination with pivotable wing portions. At vertical take off and landing the propellers with vertical axes bear the craft while the wing portions are set with their ...	05/08/1990
4784351	Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings for vertical take off and landing An aircraft has a pair of wing portions with propellers of a propeller pair which are driven and synchronized by a fluid transmission between the power plant and the propellers. A fluid line structure keeps most components of the craft together and consis...	11/15/1988

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Class 244/7C - Tilting wing