Class 244/29 - Airship and fluid sustained

Subclass of Class 244 - Aeronautics and astronautics
Definition: Propelled aeronautical machines sustained by their buoyancy
No. of patents: 29
Last issue date: 05/01/2012

Number	Title	Issue Date
8167236	Hybrid lift air vehicle A hybrid lift air vehicle for lifting and transporting a payload to a delivery location, which comprises a helium or other lighter-than-air gas filled envelope mounted on an airframe. Variable and reversible vertical thrusters are positioned on the airframe, and at ...	05/01/2012
8109462	Lenticular airship An airship may include a hull substantially shaped as an oblate spheroid, one or more frame members defining a support structure, wherein the support structure forms at least a partial support for the hull, at least one horizontal stabilizing member operably coupled...	02/07/2012
7891603	Differential thrust control system A system allowing for the controlled propulsion of aircraft, especially buoyant and semi-buoyant airships designed as a symmetric body of revolution, without the need for or use of aerodynamic control surfaces, comprised of a plurality of ducted fan thrusters placed...	02/22/2011
7354636	Flexible laminate material for lighter-than-air vehicles A laminate material for lighter-than-air vehicles includes a liquid crystal polymer fiber layer, a polyimide layer secured to the liquid crystal polymer fiber layer; and a polyvinylidene fluoride (PVDF) layer secured to the polyimide layer. The layers are secured to...	04/08/2008
7303166	Highly maneuverable powered airship A highly maneuverable powered airship is disclosed. The powered airship may include an exterior shell having a front portion, a rear portion and a main axis; the exterior shell may be configured with an aspect ratio greater than or equal to 9:1. The powered airship ...	12/04/2007
7264202	Tri-cycloidal airship An unmanned, lighter-than-air airship includes three omnidirectional thrust generating units. One unit is mounted at the fore-end of the airship to generate thrust in a plane that is perpendicular to the longitudinal axis of the airship. This unit controls pitch and...	09/04/2007
7261255	Transformable airship The present invention provides a solar-powered transformable airship, on which solar cell panels are installed all over to maximize the amount of solar energy collected. Moreover, the airship according to the present invention has a main body of variable volume, sui...	08/28/2007
7156342	Systems for actively controlling the aerostatic lift of an airship Various embodiments of the invention relate generally to systems for providing active vertical control of an airship. More particularly, at least one embodiment of the invention relates to a system for actively controlling the aerostatic lift of an airship by manipu...	01/02/2007
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
6918316	Adjustable pedal assembly An adjustable pedal assembly includes a mounting arrangement (1) for attachment to a vehicle structure (37), an accelerator pedal (6), a brake pedal (7), and a clutch pedal (8). The pedals (6, 7, 8) are pivotally supported w...	07/19/2005
6877693	Aerostat for transporting equipment and passengers The invention concerns a lighter-than-air craft for transporting by air equipment and passengers, more particularly, it concerns an aircraft whereof the frame (1) made of light metal and erected vertically, contains and protects the passenger compartment (...	04/12/2005
6824098	VTOL parafoil aircraft An aircraft is provided having an inflatable parafoil canopy wing and a suspended fuselage. The wing is constructed such that, when inflated, it has an airfoil configuration having leading and trailing edges, thereby producing lift by interaction with air encountere...	11/30/2004
6641083	Balloon A balloon comprising an envelope, wherein the envelope has a multilayered structure comprising a gas-impervious sheet, and a liquid absorbent sheet overlaid on the inner surface of the gas-impervious sheet....	11/04/2003
6574838	Tie-down device and method A tie-down device secures an aircraft to the ground. The tie-down device includes a hook and slide member operating within the hook to secure a line. In use the line passes through an aperture within the slide member for biasing against a bottom portion o...	06/10/2003
6565037	Hybrid aircraft and methods of flying An aircraft includes an aircraft body that retains gas that is lighter than air and rotates about a vertical axis, and a cargo carrier attached to the body so that the carrier does not rotate with the body. The aircraft includes one or more propulsion dev...	05/20/2003
6016991	Evacuated rotating envelope aircraft An aircraft utilizes a buoyant evacuated rotating envelope to provide at least a portion of the lift required. The rotating envelope may be in the form of a disk, cylinder or other suitable shape. In one embodiment, an evacuated rotating envelope in the f...	01/25/2000
5909857	Filimonov hybrid dirigible craft The hybrid dirigible craft belongs to the category of flying vehicles which use an air cushion and take off and land at any type of airfield. The air of the invention is to design an improved dirigible craft capable of taking off from and landing on water...	06/08/1999
5810286	Lighter-than-air aircraft A stable and highly maneuverable lighter-than-air aircraft is provided. The aircraft includes a body portion which is supported beneath a balloon portion by a stem or axle. The balloon is fillable with a lighter-than-air gas and is sized to accept suffici...	09/22/1998
5755402	Discoid airship An airship capable of vertical and horizontal flight and able to make right angle turns is preferably of nearly neutral buoyancy and comprises two gas bags, the lower of which is toroidal in shape and surrounds a centrally located engine that has a downwa...	05/26/1998
5358200	Airship An airship includes a gas envelope filled with a buoyant gas, a duct equipped with an internal propulsion fan and attached to the aft of the gas bag, a boom projecting aft along an extension of the axis of the propulsion fan and an empennage provided on t...	10/25/1994
5348251	Dirigible airship An airship in the form of a self-powered, elongated dirigible which comprises at least three sections connected together by joints. The sections including a front section with propulsion devices and control surfaces, at least one intermediate section desi...	09/20/1994
5115997	Surveillance balloon A tethered surveillance balloon having a relatively low lift-to-weight ratio (e.g., 1.1) and an aerodynamic device to help maintain the surveillance balloon elevation when subject to high velocity wind conditions at an altitude which is a high percentage ...	05/26/1992
5071090	Airship An airship having improved controllability which comprises: an axial fluid pathway penetrating through a body of the airship in an axial direction, at least one radial fluid pathway crossing the axial fluid pathway and penetrating through the body in a ra...	12/10/1991
4967983	Airship A rigid airship is disclosed herein having an annular or toroidal airfoil fuselage in front elevation for housing several elongated gas cells containing a buoyant gas such as helium. The fuselage includes at least two longitudinal and a plurality of trans...	11/06/1990
4838501	Balopod (hybrid flying machine) A flying machine (L.T.A.-H.T.A. Hybrid) connected through the fuselage . . . using a two-point-lift system wherein the lifts are static and dynamic . . . separately and simultaneously. The static lift is supplied by an aerostat (#36) while the dynamic lif...	06/13/1989
4685640	Air vehicle An air vehicle for lifting loads generates lift forces from helium gas within a torus-shaped envelope having a central passageway, and from a fan arrangement designed to direct air downwardly through the passageway. Lateral propulsion units are provided o...	08/11/1987
4606515	Hybrid annular airship A hybrid annular airship of the kind including an annulus containing at least one gas containing portion is disclosed which is characterized by improved maneuverability, stability and speed. This improvement is effected by combined means comprising a pair...	08/19/1986
4402475	Thrusters for airship control The use of thrusters at the bow and stern of an airship for control of the direction, attitude, and orientation of such an airship is described. The thruster utilizes an electric motor or a gas turbine for power. In the electric motor embodiment, the moto...	09/06/1983

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Class 244/29 - Airship and fluid sustained