Class 244/93 - Stabilizing weights

Subclass of Class 244 - Aeronautics and astronautics
Definition: Movable or variable weights on aircraft for steering or
No. of patents: 33
Last issue date: 12/13/2011

Number	Title	Issue Date
8074926	Structural dynamic stability for an aircraft An improvement and method for improved structural dynamic stability for 20 and 30 Series Learjets are disclosed. The improvement includes a redistribution of the elevator mass balance to uncouple the elevator rotational motion from the stabilizer translation motion ...	12/13/2011
7878449	Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are positioned along or radially terminate at a central horizontal plane of the ...	02/01/2011
7520466	Gyro-stabilized air vehicle A vertical takeoff and landing (VTOL) air vehicle disclosed. The air vehicle can be manned or unmanned. In one embodiment, the air vehicle includes two shrouded propellers, a fuselage and a gyroscopic stabilization disk installed in the fuselage. The gyroscopic stab...	04/21/2009
7350745	Apparatuses and methods for applying forces to a structure utilizing oscillatory wing motions in a fluid Methods and apparatuses are disclosed that rotate a first member about a first point relative to a chassis, wherein the first member is rotatably coupled to a second member at a second point. A second member is counter-rotated at a ratio of the rotational speed of t...	04/01/2008
7350749	Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are positioned along or radially terminate at a central horizontal plane of the ...	04/01/2008
7185848	Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are positioned along or radially terminate at a central horizontal plane of the ...	03/06/2007
7163177	Airship ballast system An airship ballast system includes an engine driven propeller and a cooling tube that is positioned coplanar with the propeller and outside its tip path. One end of the cooling tube is connected to receive exhaust gases from the engine while the other end is connect...	01/16/2007
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
6742741	Unmanned air vehicle and method of flying an unmanned air vehicle An unmanned air vehicle includes a singular rear landing gear wheel on the aft end of the fuselage. Port and starboard wings with rear facing propellers are retractable to the aft of the fuselage. Upon retraction, the propellers may freewheel and a reversible motor-...	06/01/2004
6685137	Flight control system for an aircraft The invention provides an aircraft having a flight control system (20) comprising an aerodynamic lift generator, and a control system in use the lift provided by the lift generator. The lift control system in one embodiment uses a concentrated mass mounte...	02/03/2004
6666405	Adjustable weight ballasts for weighing down differently sized lighter-than-air balloons An adjustable weight ballast for lighter-than-air balloon with a predetermined lift is disclosed, comprising at least two individual weights. There is a first means on each individual weight for selectively attaching two or more weights to each other to f...	12/23/2003
6634593	Remote controlled aircraft, in particular for surveillance or inspection The invention concerns a remote-controlled flying machine, in particular for surveillance and inspection, capable of hovering and comprising a spherical open-worked resistant shroud integral with a cylindrical fairing wherein rotates a propeller powered b...	10/21/2003
6540178	Solar cell array orientation in an airship An airship (1) comprising gas envelope means for providing in use a hull (2) with a generally longitudinally extending longitudinal axis (20) and solar cell array means (3) arranged in use to be mounted on the outside of the hull (2). The solar array mean...	04/01/2003
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
5597141	Efficient mass translation device A dynamic balance mechanism for balance control of a gyro stabilized (spinning) satellite is disclosed. An elongated gear rack is attached to the spacecraft. A movable mass is mounted by guide rollers on the gear rack and translates along the gear rack ac...	01/28/1997
5349915	Submersible trim system A trim system for a submersible comprises a ball control system and a hydraulic control system. The ball control system includes a tubular ball transfer line 33 substantially through the length of the vessel, a plurality of high-density, solid balls 34 wi...	09/27/1994
5199667	Balancing device for air floaters An air floater comprises a balloon body which seals a gas therein and balancing means detachably attached to the balloon body. The balloon body comprises a film composed of a central layer made of ethylene-vinyl alcohol copolymer-resin, an aluminum evapor...	04/06/1993
5058834	Liquid balance control for spinning spacecraft The balance of a spin-balanced spacecraft may be dynamically adjusted by moving a liquid between or among containers spaced about the spin axis. The transfer of liquid is accomplished by controllable heaters associated with each container, for heating tha...	10/22/1991
5042748	Hot air rescue balloon A rescue balloon for rescuing individuals from high places such as towers and building includes an enclosed envelope for holding heated air under substantially greater than atmospheric pressure with a burner contained within the enclosed envelope for burn...	08/27/1991
5020740	Pitch control trimming system for canard design aircraft A pitch control trimming system for a canard design aircraft has the ability to reposition the center of gravity of the aircraft along the longitudinal axis. The design permits trimming of the aircraft without external trim tabs and permits flaps to be us...	06/04/1991
4932606	Hot air rescue balloon A rescue balloon for rescuing individuals from high places such as towers and buildings includes an enclosed envelope for holding heated air under substantially greater than atmospheric pressure with a burner contained within the enclosed envelope for bur...	06/12/1990
4911383	Kite The invention provides a kite, particularly an article dropping kite, consisting of a kite body, which usually is provided with a downwardly-extending kite keel to which is connected the kite string. The kite is provided with an article holding and releas...	03/27/1990
4865274	Passive control assembly for gliding device A towable gliding flexible wing craft for hauling a payload including a passive control means for responding to deviations from level flight. The gliding wing craft comprises a gliding flexible wing, spreader bar, support means for securing said gliding f...	09/12/1989
4787573	Aircraft with rotary wings Aircraft with rotary wings, characterized in that it comprises a nacelle (1) surrounding the user who seats on a seat (9) slidingly arranged in the medial plane of said nacelle, substantially in the normal displacement direction of flight of the aircraft,...	11/29/1988
4607811	Propulsion unit for hang glider type aircraft, and aircraft fitted with the propulsion unit An aircraft of the hang glider type includes a wing (11) with a keel (12) in its plane of symmetry serving as a fastening point for a trapeze and a harness by which the pilot is suspended below the wing, the trapeze and the harness being disposed in conve...	08/26/1986
4428550	Vibration-insulating stability improving torque force device A conventional aircraft having horizontal stabilizers and hinged elevators, which is controlled, preferably, through push-pull rods, is provided with a dynamic torque (bob) weight connected to a rotating member, in the direct line of control to the elevat...	01/31/1984
4307856	Annular wing An annular wing particularly suited for use in supporting in flight an aircraft characterized by the absence of directional stabilizing surfaces. The wing comprises a rigid annular body of a substantially uniformly symmetrical configuration characterized ...	12/29/1981
4261536	Device for controlling the operating cycles of models A device for controlling the movements or operating cycles of models, for example, model airplanes, model ships, kites, etc., which are driven by a drive motor is provided which includes a screw spindle which is affixed at about the center of a shaft whic...	04/14/1981
4215832	Inverted cone aircraft An aircraft is disclosed which includes a body having the shape of an inverted cone with a downwardly extending rim formed about the edge thereof and a triangularly shaped tail section. The aircraft can be constructed as a glider or a powered device and s...	08/05/1980
4194317	Remotely controlled aircraft The invention is particularly adapted, but not limited to, control of hand-launched gliders. A weight or mass is suspended in the manner of a pendulum below the aircraft. The weight is controllable by a gimbal mechanism which allows the weight to be swung...	03/25/1980
4014280	Attitude control system for seagoing vehicles A tube with weights slidably located inside and apparatus to remotely conl their position and thereby change the vehicle's center of gravity. The tube is rigidly attached to the vehicle with its centerline running fore and aft if trim is to be controlled...	03/29/1977
3985320	Platform stabilizing systems Apparatus for stabilizing a platform characterized by a frame carrying a stabilizing gyroscope that includes a substantially horizontal rotor with its shaft fixed with respect to the frame so as to effect a precessing force 90° in the direction of rotati...	10/12/1976
3971533	Convertible airship A flexible lighter-than-air gas-containing envelope carries at least one rigid structural member which provides a track for pivotal and slidable mounting of a gondola. The track extends along the underside of the airship from the nose section to a point a...	07/27/1976

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Class 244/93 - Stabilizing weights