Airships Patents (Class 244/30)
  • Patent number: 6293493
    Abstract: A non-ridged semi-buoyant vehicle includes a pressure stabilized gasbag having a longitudinal, vertical and horizontal axis, top, bottom and side surfaces and front and rear ends and an aerodynamic shape capable of producing lift. Within the gasbag are first and second vertical catenary curtains attached to the top and bottom surfaces between the sides of the gasbag. These first and second catenary curtains are positioned on either side of the longitudinal axis extending from the front end along a first portion of the gasbag. A pair of first and second Y shaped catenary curtains are coupled to the first and second vertical catenary curtains and extend along a second portion of the gasbag. The arms of each of the Y shaped curtains are attached to the top surface and the legs are attached to the bottom surface of the gasbag. First and second pairs of vertical catenary curtains are coupled to the first and second pairs of Y shaped catenary curtains, respectively, and extend to the rear end of said gasbag.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: September 25, 2001
    Assignee: Lockheed Martin Corporation
    Inventors: David B. Eichstedt, John P. Morehead, John B. Kalisz
  • Patent number: 6290176
    Abstract: The present invention describes a dual suspension catenary system which includes aspects of both an internal catenary system and an external catenary system. The dual suspension catenary system of the present invention retains and expands upon the advantages of the internal and external catenary systems, such as larger payload suspension and envelope integrity while decreasing the disadvantages (e.g., envelope breach and aesthetics).
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: September 18, 2001
    Assignee: Airship Management Services, Inc.
    Inventors: John Hankinson, John Bewley, Richard Hankinson, George Spyrou
  • Patent number: 6286783
    Abstract: An aircraft has a fuselage designed essentially as an aerostatic lift body. Combined lift and propulsion devices are articulated on the fuselage, are provided with propellers and form propulsion units and which in each case can tilt between a lift position, in which the respective propeller rotation plane is essentially horizontal and a propulsion position, in which the respective propeller rotation plane is essentially vertical. Additionally the propeller rotation plane has all-round inclination relative to the output shaft of the associated drive device.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: September 11, 2001
    Inventor: Hermann Kuenkler
  • Publication number: 20010002686
    Abstract: A stratospheric airship capable of substantially and smoothly varying the volume of a buoyant gas is provided so as to allow the airship to stably ascend into the stratosphere and keep a station therein. A stratospheric airship includes a gas envelope defined by a ship hull, the gas envelope being divided by a diaphragm into a buoyant gas compartment containing a buoyant gas and an air compartment containing air, the stratospheric airship being allowed to ascend by varying the volume ratio between the buoyant gas and the air, wherein the periphery of the diaphragm is coupled to the ship hull generally at the midpoint along the vertical dimension thereof, and a central portion of the diaphragm is coupled to a suspension chord whose upper and lower ends are coupled respectively to the upper and lower surfaces of the ship hull. The sloshing phenomenon of the diaphragm is suppressed, whereby the change in the shape thereof is balanced, and thus there is no asymmetric distribution of the buoyant gas.
    Type: Application
    Filed: January 18, 2001
    Publication date: June 7, 2001
    Applicant: Fuji Jukogyo Kabushiki Kaisha , National Aerospace Laboratory
    Inventors: Yoshio Yokomaku, Keiji Komatsu, Masaaki Sano, Junichi Kimura, Stefan Hilgers, Heinrich Iglseder, Thomas Rodemann, Frank Meyer, Carsten Jacobs, Gerd Zeeb
  • Patent number: 6227484
    Abstract: A tethered balloon having a spherical balloon proper inflated with a gas whose specific gravity is lower than that of the outside air, a gondola attached to the bottom of the balloon proper, a vertical stabilizer attached to the balloon proper, a connecting assembly attached to the balloon proper, a tether connected to the connecting assembly, and a tether holder having a drum to take up and pay off the tether and placed on the ground. The connecting assembly is positioned opposite to the vertical stabilizer with the gondola disposed in between. A straight line connecting the center of the balloon proper and the connecting assembly is inclined with respect to the central axis of the balloon connecting the center of the balloon proper and the center of gravity of the whole balloon. The balloon is transversely stable because little force acts on the balloon in a direction perpendicular to the wind.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: May 8, 2001
    Assignees: Dentsu Tec Inc., VIP Corporation Co., Ltd.
    Inventor: Kunihide Miyake
  • Patent number: 6224016
    Abstract: A novel energy producing flexible material is provided particularly suited for high altitude and stratospheric applications. The flexible energy producing covering includes a flexible solar cell layer, a flexible substrate which preferably matches the shape and size of the airship gore as well and an electrically conductive conduit disposed in a flexible electrically non-conductive adhesive connecting the flexible solar cell substrate to the airship substrate. Preferably two electrically conductive conduits are provided between the substrate layer and the flexible solar cell layer with the electrically conductive conduits being insulated from one another by the non-conductive adhesive. The novel process provided by the invention for joining the airship substrate to the flexible solar cell substrate includes heat, pressure and the selection of substrate materials and in certain applications the use of a vacuum.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: May 1, 2001
    Assignee: Sky Station International, Inc.
    Inventors: Yee-Chun Lee, Sam M.-S. Chen, Yu-Lun Lin, Brandon G. Mason, Elena A. Novakovskaia, Valentine R. Connell
  • Patent number: 6224015
    Abstract: The cableway consists of a captive balloon (1) carrying a gondola (2) to which two transport cables (3, 4) and a mooring cable (5) are attached. The two transport cables (3, 4) bearing a cabin (10, 11) for carrying passengers end at a ground station (7) which is rotatable on a circular rail (9) around a vertical axis (8). The transport cables (3, 4), both in the gondola (2) and in the ground station, run on and off drums. The ground station (7) can be actively tracked with reference to the site of the captive balloon (1). The mooring cable (5), secured to the gondola (2), runs on a drum in the ground station (7) and is equipped with beacons (13). The captive balloon (1) can be released to any desired height, the unused length of the transport cables (3, 4) remaining on the drums in the ground station (7). The cabins (10, 11) are coupled in shuttle operation or move separately driven by motors provided in the gondola (2).
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: May 1, 2001
    Assignee: Prospective Concepts AG
    Inventor: Andreas Reinhard
  • Patent number: 6189829
    Abstract: An apparatus and method for floating such apparatus in the air, such apparatus having at least one cell containing air and a fluid. The fluid in one embodiment is heated to create steam which, in turn, makes the cell lighter than the surrounding air, thereby providing lift to the apparatus.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: February 20, 2001
    Inventor: Gregory R. Brotz
  • Patent number: 6164589
    Abstract: A partially buoyant aircraft capable of transporting very large cargo payloads comprises a lifting body with an exterior airfoil configuration that includes internal structural support members for an exterior skin, the skin defining an internal volume for storing the cargo, propulsion apparatus, flight stabilization apparatus on a portion of the lifting body, lift assisting apparatus carried within the lifting body, and landing gear arranged in close proximity to the longitudinal centerline of the lifting body. Each landing gear comprises a wheel supported by a cylinder set including upper and lower telescoping cylinders, the upper cylinders of the wheels being ported together to operate as a single element.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: December 26, 2000
    Assignee: Lockheed Martin Corporation
    Inventor: John Kalisz
  • Patent number: 6167263
    Abstract: A global communications network comprises a plurality of aerial platforms or vehicles deployed at an altitude in or near the stratosphere and permitted to drift in a controlled manner such that each platform adjusts its position relative to other aerial platforms. Each aerial platform has a propulsion system and control surfaces and preferably includes a lighter-than-air component to maintain lift in an economical manner. Each aerial platform also includes a payload, means for communicating with other aerial platforms and a control system including location-finding equipment and a processor adapted for directing the platform's propulsion system and control surfaces to effectuate changes in the aerial platform's position relative to other aerial platforms based on position information, and optionally on other factors such as terrestrial demand for services provided by the payload of the aerial platforms.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: December 26, 2000
    Assignee: Spherecore, Inc.
    Inventor: J. Scott Campbell
  • Patent number: 6142414
    Abstract: A composite aircraft comprising an aerostat containing a lighter than air gas, and a rotor assembly mounted to and below the aerostat, via an axle. The aerostat provides buoyancy to lift the weight of the aircraft plus a significant portion of the payload connected to the aircraft. The rotor assembly statically connects to the aerostat in all aspects except rotationally about the axle, and provides the remaining lift and propulsion to the aircraft and payload. The rotor assembly includes a hub, a plurality of blades, a plurality of winglets, and engine-powered propellers that provide rotational thrust to the rotor assembly. The plurality of blades and winglets have adjustable angles of attack to generate lift and forward propulsion to the aircraft. The blades mount radially from the axle and horizontally from an outboard end of the hub. The winglets mount above and below each blade. The engine-powered propellers mount to the outboard end of the hub.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: November 7, 2000
    Inventor: William Doolittle
  • Patent number: 6119983
    Abstract: An airship/spacecraft, which, in a preferred embodiment, uses its lifting gas as fuel for thrusters, which may be of the turbo-type or rocket type, or both, to achieve transition to space flight. The airship aspect has gas retaining structures that can withstand internal and external pressure and can change in volume and shape. The spacecraft aspect provides control, power, services, and interior space for missions of the airship/spacecraft.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: September 19, 2000
    Inventor: Anthony Italo Provitola
  • Patent number: 6119977
    Abstract: A method and apparatus for sealing ruptures in gas containing envelopes, includes a first plurality of containers filled with a gas, each of the containers being buoyant in and drifting freely within the envelope, so that when a rupture occurs in the envelope, the containers are drawn toward the rupture and collectively close and plug the rupture. Preferably, the containers are flexible walled envelopes made of gas-impermeable material.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: September 19, 2000
    Assignee: Lockheed Martin Corporation
    Inventors: Roger H. Steele, Robert Baumgartner
  • Patent number: 6019311
    Abstract: An airship includes a relatively rigid framework that is meant to resemble a sailing ship having an inclined bow, a rounded bottom, a vertical stern, vertical sides and a flat upper deck. A plurality of lifting bladders carrying helium or the like are enclosed within the framework to make it lighter than air. Front and rear masts extend upwardly from the deck and carry front and rear sails on pivotal booms. A passenger and crew compartment is located on the deck behind the front and rear masts. The masts are pivotally supported on the framework to pivot laterally to one side or the other in the y-z plane to open up a gap there-between if so desired. A spinnaker or jib can be set forwardly of the masts in this gap to be fully exposed to wind from above the framework. Thus, the use of the sails for primary or supplementary propulsion of the framework is enhanced, and the deck enables passengers or crew to leave the compartment and be supported and carried by the deck.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: February 1, 2000
    Inventor: Christopher D. Thyen
  • Patent number: 6010093
    Abstract: An inflatable airship of predetermined volume is filled with gas to lift a predetermined weight to a predetermined high altitude. An elevator module is releasably secured to a gondola attached to the airship. A cable of a length at least equal to the deployment altitude of the airship has a first end attached to the elevator module and a second end attached to a winch mounted on the gondola. The airship is raised with the elevator module anchored to the ground and the cable is unwound from the winch as the airship rises. Once the desired operating altitude is reached, the winch is reversed to wind the cable onto the winch and raise the elevator module to the gondola.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: January 4, 2000
    Inventor: Allen E. Paulson
  • Patent number: 5890676
    Abstract: A neutral buoyancy fuel bladder uses hydrogen and oxygen to power an airship. The neutral buoyancy fuel bladder includes a fuel cell, electrolyzer, and means for storing hydrogen, oxygen and water. The fuel cell uses the hydrogen and oxygen to create heat, water and current flow. An energy source transmits a beam to an energy receiving unit on the airship, and the energy from said beam is used to (1) power said airship, and (2) replenish the supply of hydrogen and oxygen.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: April 6, 1999
    Inventors: Richard Coleman, Lathan Collins
  • Patent number: 5810286
    Abstract: 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 sufficient amounts of gas to make the aircraft buoyant. The balloon portion is rotationally fixed to the axle and the axle is rotationally journaled in the body. Thus, the balloon portion can rotate relative to the body portion and the body can selectively be rotated relative to the axle. A motor is housed in the body portion and is operable to propel the aircraft in a desired direction. The aircraft is operated such that the balloon portion rotates above the body portion without rotating the body portion. The rotation of the balloon portion provides stability to the aircraft and the ability for the body portion to rotate about the axle enables the aircraft to be highly maneuverable.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: September 22, 1998
    Inventor: Winfield R. Matsler
  • Patent number: 5755402
    Abstract: 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 downwardly facing inlet. Upwardly directed thrust from the engine is redirected by a gate valve arrangement into a manifold of ducts, each of which passes between the upper and lower gas bags to a respective outlet or nozzle adjacent the periphery of the aircraft. To fly the aircraft, a pilot uses the cable-operated valve arrangement to manage the distribution of thrust from the engine into selected ones of the ducts to provide thrust in a desired direction. Preferred pilot operated controls comprise a foot pedal and a rotatable steering wheel mounted on a pedestal hingedly attached to the gondola of the aircraft for fore and aft pivoting motion.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: May 26, 1998
    Inventor: Roy Henry
  • Patent number: 5678783
    Abstract: The system includes a platform assembly which includes a plurality of helium airships for support of an emitting electrode to produce a large amount of electrical charges, in the form of electrons, into the surrounding atmosphere. The electrons may be generated by various means, including field induced emission and ultraviolet induced emission and ionization. Also provided are a large bank of solar cells to produce the necessary power for the assembly and a propulsion system, either a propeller system or an ion engine. A positive electrode may also be included which collects the undesirable atmospheric elements, such as chlorine atoms, to which negative charges have become attached. Alternatively, the platform could be arranged to include a negatively charged surface at which chlorofluorocarbons, for instance, can dissociate after they come in contact with negative charges. Such an ion-propelled platform in the high troposphere or stratosphere could also be used for regional and/or global telecommunications.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: October 21, 1997
    Inventor: Alfred Y. Wong
  • Patent number: 5645248
    Abstract: A lighter than air apparatus is provided with a gas impermeable sheeting material having a pathway either extending through the apparatus itself or adjacent to the apparatus. One or more control surfaces are provided proximately to an aperture in the pathway for deflecting air passing through the pathway. A propulsion unit with the pathway propels air through pathway. The pathway, the control surfaces, and the control unit allow the lighter than air apparatus to control its bearing and efficiently maintain its position over the Earth.
    Type: Grant
    Filed: August 15, 1994
    Date of Patent: July 8, 1997
    Inventor: J. Scott Campbell
  • Patent number: 5538203
    Abstract: The invention is a ballonet system for a lighter-than-air-vehicle, the vehicle having a lift producing gas bag and a longitudinal, vertical and lateral axis. In detail, the ballonet system includes a plurality of ballonets located within the gas bag positioned along the longitudinal axis and on each side of the vertical axis of the vehicle. Each of the ballonets include a flexible sheet joined at its periphery thereof to a portion of the wall of the gas bag. A ballonet pressurization system is coupled to each ballonet for pressurizing them with air that includes the portion of the wall of the gas bag forming the ballonet having a plurality of holes therethrough. A manifold having an inlet port is joined to the wall covering the holes therein and is adapted to diffuse the pressurized air entering therein.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: July 23, 1996
    Assignee: Lockheed Corporation
    Inventor: James A. Mellady
  • Patent number: 5470033
    Abstract: A method is provided for controlling a carrier which is used to carry a flight vehicle, the method including (a) providing a carrier and a control system mounted on a lower side thereof; (b) sending a signal to a flight vehicle to decrease a velocity thereof for landing; (c) sensing a flight direction of the flight vehicle and instantaneous velocities thereof; and (d) accelerating the carrier to catch up with the flight vehicle at a location therebeneath and adjusting the velocity of the carrier to match with that of the flight vehicle such that the flight vehicle is able to smoothly land so as to be supported on a top surface of the carrier.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: November 28, 1995
    Inventors: Yeong-Shyeong Tsai, Wang-Jr Li
  • Patent number: 5383627
    Abstract: An omnidirectional propelling type of airship can be propelled in any direction in three-dimensions. The airship includes an airtight gas chamber, gas having a specific gravity smaller than that of air and filling the gas chamber, a section capable of accommodating men, cargo and the like, and propellers supported by gimbals and capable of propelling the airship in any spacial direction.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: January 24, 1995
    Inventor: Mutsuro Bundo
  • Patent number: 5358200
    Abstract: 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 the distal end of the boom and is constituted to prevent boundary layer separation by causing the propulsion fan to suck air flowing along the hull surface into the duct and jet it aft.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: October 25, 1994
    Assignees: Agency of Industrial Science & Technology, Minstry of International Trade & Industry
    Inventor: Masahiko Onda
  • Patent number: 5348251
    Abstract: 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 designed to carry a payload and a rear section with control surfaces. The joints allow limited articulation between sections under gust conditions and tend to return the sections to aligned condition in calm air. A cover may provide a streamline exterior shape for the airship; alternatively the sections may have rims which mate together when there is no articulation to provide a smooth exterior shape.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: September 20, 1994
    Inventor: Frederick D. Ferguson
  • Patent number: 5348254
    Abstract: An airship of semirigid type including hydrogen which floats for a long period of time without supplying energy, and is for example in use for a relay station or a wide range observatory station. The airship is powered by a solar cell battery in the daytime and by a hydrogen engine in the nighttime.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: September 20, 1994
    Inventor: Kazuo Nakada
  • Patent number: 5346162
    Abstract: The invention is a cargo compartment for a lighter-than-air vehicle, the vehicle having a longitudinal, vertical and lateral axis. In detail, the cargo compartment includes a cargo carrying structure mounted to the bottom of the vehicle, the structure extending along at least a portion of the longitudinal axis of the vehicle and having a plurality of passageways extending along the longitudinal axis of the vehicle. Each of the passageways is aligned with the lateral axis of the vehicle and extend completely through the structure, and is adapted to simultaneously unload cargo from one end and load cargo from the opposite end. A cargo moving system is mounted in the floor of each passageway for moving the cargo in one end and out the opposite end of the passageway and intermediate positions therebetween. A cargo securing system is mounted on the floor of the passageway for releasable securing the cargo within the passageway at the intermediate positions.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: September 13, 1994
    Assignee: Lockheed Corporation
    Inventors: Robert G. Belie, Leland M. Nicolai
  • Patent number: 5333817
    Abstract: The invention is a ballonet system for a lighter-than-air-vehicle, the vehicle having a lift producing gasbag and a longitudinal, vertical and lateral axis. In detail, the ballonet system includes a plurality of ballonets located within the gasbag positioned along the longitudinal axis and on each side of the vertical axis of the vehicle. Each of the ballonets include a flexible sheet joined at its periphery thereof to a portion of the wall of the gasbag. A ballonet pressurization system is coupled to each ballonet for pressurizing them with air that includes the portion of the wall of the gasbag forming the ballonet having a plurality of holes therethrough. A manifold having an inlet port is joined to the wall covering the holes therein and is adapted to diffuse the pressurized air entering therein. Also included is at least one fan having an inlet port coupled to ambient atmosphere and an outlet port coupled to the inlet port of the manifold for providing pressurized air to the interior thereof.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: August 2, 1994
    Assignee: Lockheed Corporation
    Inventors: John B. Kalisz, Mark H. Wexler
  • Patent number: 5294076
    Abstract: A non-rigid airship is provided which includes a gas envelope having propulsion units mounted on either side thereof. Thrust emanating from the propulsion units is deflectable to control at least the vertical positioning of the airship. Horizontal positioning of the airship may be controlled by varying the relative thrust of the propulsion units. A method is also provided for controlling the flight path of an airship. The method includes providing propulsion units on opposite sides of the airship and deflecting the thrust of the propulsion units to control vertical placement of the airship. Horizontal placement of the airship may be carried out by varying the relative thrust of the propulsion units.
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: March 15, 1994
    Inventor: Hakan Colting
  • Patent number: 5285986
    Abstract: An airship has a carrier frame with triangular cross-ribs arranged so that an apex faces upwardly and a base faces downwardly, whereby longitudinal beams at the corners of the triangles interconnect the cross-ribs. The carrier frame is enclosed by an envelope including at least three skin segments joined to each other along seams coinciding with the longitudinal frame beams. Each skin segment extends entirely from the bow to the stern and may include several strips. At least two steering air chambers are provided, one near the bow, the other near the stern for trimming purposes. The seams or at least one of the seams, is so constructed that it is readily openable and closable for providing access to the interior of the airship.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: February 15, 1994
    Assignee: Luftschiffbau Zeppelin GmbH
    Inventor: Klaus Hagenlocher
  • Patent number: 5251850
    Abstract: An apparatus for regulating the height of an airship, which includes a floating body of tube-like supporting gas containers and air bags. The air bags are disposed outside and between the supporting gas containers and connect the containers to each other. The apparatus includes at least one fan-compressor for high pressure and/or at least one fan-compressor for low pressure.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: October 12, 1993
    Assignee: Bruno Wintzell
    Inventor: Torsten A. B. Noren
  • Patent number: 5203523
    Abstract: 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 designed to carry a payload and a rear section with control surfaces. The joints allow limited articulation between sections under gust conditions and tend to return the sections to aligned condition in calm air. A cover may provide a streamline exterior shape for the airship; alternatively the sections may have rims which mate together when there is no articulation to provide a smooth exterior shape.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: April 20, 1993
    Inventor: Frederick D. Ferguson
  • Patent number: 5147429
    Abstract: The airborne air cleaning station features a dirigible supporting a gigantic collector hood exteriorly mounted thereto, and an enlarged housing having a plurality of different types of air cleaning devices contained therein. The collector hood funnels polluted ambient air into an air intake system that places the on-board air cleaning devices in fluid communication with the collector hood. Sensors within the air cleaning station analyze an incoming air flow to determine the pollutants which need to be removed from the local atmosphere. Then, an automatic control system actuates automated valves of an on-board piping system to route incoming air to those air cleaning devices which are best equipped to remove whatever particular pollutants have been detected by the sensors. The inclusion of a plurality of different air cleaning devices, such as wet scrubbers, filtration machines, cyclonic spray scrubbers, etc. advantageously equips the airborne air cleaning station to deal with a wide variety of pollutants.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: September 15, 1992
    Inventors: James Bartholomew, Dino M. Gentile
  • Patent number: 5110070
    Abstract: A rigid airship has a carrier frame with trianguar cross-ribs interconnected by longitudinal beams, one connectd to each corner of the triangle. Thus, prism-type frame sections are formed which are stiffened by diagonal tensioning members (D). The prism of each frame section (A) has two lateral sides and a base side. Each of the three sides is stiffened with two diagonal tensioning members. Junctions between neighboring frame sections are formed at the triangle corners. Carrier gas cells, the skin of which forms at least part of the airship skin, are secured in the frame sections. The base of each triangle cross-rib forms the base of the frame. One or more air chambers are formed in the belly of the airship below the base of the frame.
    Type: Grant
    Filed: June 7, 1991
    Date of Patent: May 5, 1992
    Assignee: Luftschiffbau Zeppelin GmbH
    Inventors: Klaus Hagenlocher, Florian Windischbauer
  • Patent number: 5090637
    Abstract: A helium purification system for use with lighter-that-air airships has a catalytic purification stage for removing oxygen from the lift gas, and if desired, a nitrogen removal stage. Impure lift gas is passed through the catalytic purification stage which includes catalytic means for reacting hydrogen and contaminating oxygen entrained in the lift gas to form water and liberate heat energy. The catalytic reaction of oxygen and hydrogen increases the lift capacity of the airship both by removing oxygen from the lift gas which can then be replaced with additional lift gas and by heating the lift gas. The lifht weight catalytic purifier requiring no external power makes practical an on-board lift gas purifier to scavenge oxygen from the lift gas as soon as it enters the aerostat whose only cost of operation is that of the hydrogen consumed.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: February 25, 1992
    Inventor: Willard M. Haunschild
  • Patent number: 5071090
    Abstract: 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 radial direction, the axial fluid pathway and the radial fluid pathway forming a ventilating-thrusting tube having a rigid framework construction, propulsion means, thrust generating direction of which is adjustable, arranged in a crossing region of the axial fluid pathway and the radial fluid pathway, and a lift balloon arranged beside the ventilating-thrusting tube in such a manner that a gap is formed between the ventilating-thrusting tube and the lift balloon to allow air to flow through. This arrangement lowers a tendency of yawing due to a transverse wind. The airship has a semi-rigid and semi-flexible construction capable of making up for drawbacks of both rigid type and flexible type.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: December 10, 1991
    Assignee: Kabushiki Kaisha HI Blidge
    Inventors: Masakatsu Takahashi, Ryotaro Takahashi, Kentaro Takahashi
  • Patent number: 5071383
    Abstract: A radio-controlled flying apparatus comprising an annular buoyant body and having an overall center of gravity below the center of buoyant force of the buoyant body. The annular buoyant body contains a gas of lighter weight than air. A main body is supported by the annular buoyant body by means of a dual-axis gimbal. The main body is provided with a pair of propellers which are rotatably supported by the main body and are driven by variable-speed motors into rotation in opposite directions. The main body is further provided with a rocking mechanism for causing said main body to rock about the dual-axis gimbal. An electric circuit resides in the main body for receiving a radio wave from an external transmitter to control the rocking mechanism and variable-speed motors. The electric components in the electric circuit are supplied their power from a battery carried on the main body.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: December 10, 1991
    Assignee: Jal Data Communications & Systems Co., Ltd.
    Inventor: Koichi Kinoshita
  • Patent number: 5069290
    Abstract: A fire-resistant foam having hydrogen-filled cells for use in airship/balloon envelopes.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: December 3, 1991
    Inventor: Gregory R. Brotz
  • Patent number: 5026003
    Abstract: A lighter-than-air aircraft includes a rigid platform having cargo and passenger compartments and gas bags attached to the platform for holding a gas having a density less than air, thus imparting lift to the platform. The bags are arranged in pairs, there being a pair of spaced apart upper bags along the upper surface of the platform and a pair of spaced apart lower bags along the lower surface. While the bags cover portions of the upper and lower surfaces, both surfaces remain exposed along the longitudinal centerline of the platform, and here the platform is provided with vertical ducts and bays. The ducts house motors and propellers which drive air through the ducts and thus impart a vertically directed force to the platform. The bays hold containers which are lowered from and raised into the bays with a crane that moves along tracks extended along the upper surface of the platform.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: June 25, 1991
    Inventor: William R. Smith
  • Patent number: 4995572
    Abstract: A multi stage high-altitude data acquisition system comprising a first stage manned lighter-than-air, engine propelled aircraft and a second stage air-buoyant vehicle of stratospheric altitude attaining capability statically sustainable aloft by a sufficient quantity of lighter-than-air gas contained within an expandable envelope balloon to carry the vehicle to a stratospheric float altitude and transportable from ground level to a tropospheric launching altitude by the first stage aircraft from which the air buoyant vehicle and its partially expanded gas containing envelope is releasable at the launching level while the first stage aircraft is established in a flight condition of substantially zero airspeed.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: February 26, 1991
    Assignee: Piasecki Aircraft Corporation
    Inventor: Frank N. Piasecki
  • Patent number: 4982915
    Abstract: A fire-resistant foam having hydrogen-filled cells for use in airship/balloon envelopes.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: January 8, 1991
    Inventor: Gregory R. Brotz
  • Patent number: 4967983
    Abstract: 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 transverse structural members for supporting the cells. A covering is provided about the fuselage comprising a multiplicity of fitted panels joined by retainer straps and locking nodes. The fuselage defines a central venturi having an annular intake and a contracted exit through which an elongated tapered tail cone extends in coaxial relationship with the fuselage. Boundary layer control is effected via manifolds associated with the fuselage panels and a variable geometry venturi passageway is effected by longitudinal movement of a control compartment and adjoining tapered tail cone.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: November 6, 1990
    Inventor: Brian C. Motts
  • Patent number: 4934631
    Abstract: A lighter-than-air type vehicle comprising a frame-work and a series of inflatable lift bags secured to said framework. The lift bags inwardly contain heating elements and a gas, such as hydrogen or helium, in intimate contact with the heater elements. A source of power is coupled to the heater elements is such that the supply of electrical current, for example, to said elements can be varied as to increase or decrease the degree of inflation of the respective lift bags. Propulsion structure is affixed to the framework and preferably comprises a pair of oppositely revolving propellers which are independently controlled. A shroud and interior plate-like vanes surround the propellers and are constructed and powered to vary the air stream, as to direction, coming from the propeller area.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: June 19, 1990
    Assignee: Ulysses Corporation
    Inventor: Louis G. Birbas
  • Patent number: 4931028
    Abstract: A toy blimp with at least one engine, and preferably two, mounted on a top side of an inflatable helium balloon blimp like member, and an infrared control circuit and power supply mounted on a bottom side. The balloon can be aluminum coated mylar, or preferably of a material which retains helium. A remote control transmitter with push buttons transmits infrared control signals to the control circuitry on the balloon for horizontal and vertical directional control. The blimp operates from the self-contained power supply and is controlled by the self-contained control system which receives control signals from the transmitter. The blimp is intended for free flight and as an amusement.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: June 5, 1990
    Inventors: Hugh D. Jaeger, James M. Hawley
  • Patent number: 4838501
    Abstract: 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 lift is supplied by an atmospheric deflector (#48) . . . This system, by the clever use of 180 degrees pivotable pusher (blower) engine (#1), being and becoming capable of:1. S. T. O. L. and/or V.T.O.L.2. Rearward FlightA two-point-lift system, as stated in the preferred embodiment (technical description), employing L. T. A. and H. T. A. method (separately and simultaneously) to be allowed development on a non-exclusive basis (excluding Balopod). The process levels the device by coordinating static lift, thrust, and dynamic lift.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: June 13, 1989
    Inventor: Edward G. Judson
  • Patent number: 4799914
    Abstract: A remote control lighter-than-air toy apparatus has an inflatable container having a predetermined shape, such as the shape of a dirigible, for holding a lighter-than-air gas. A gondola is removably attached to the inflatable container and has a shaft extending therethrough and rotably supported thereon. A reversible electric motor is attached to each end portion of the shaft passing through the gondola with each electric motor having a propeller attached thereto for rotation upon actuation of the electric motor. Each of the electric motors and propellers are fixedly attached to the shaft. A tether line is formed of a plurality of conductors, each connected at one end to one of the electric motors and connected at the other end to a control box having a plurality of controls thereon for remotely controlling each motor separately, so that a lighter than air toy can be remotely controlled with two propellers.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: January 24, 1989
    Inventor: Jack M. Hutchinson
  • Patent number: 4799629
    Abstract: A flying object for collecting solar rays comprises a disk-shaped flying body equipped with floating and propelling means installed at the outer circumferential portions thereof. The flying object can detect its direction of flight and keep its position constant by means of the plural floating and propelling means. In addition, the flying object has a solar ray collecting device, equipped with solar ray collecting lenses. The solar rays collected by the solar ray collecting device are guided through an optical conductor cable into the flying object.
    Type: Grant
    Filed: November 10, 1987
    Date of Patent: January 24, 1989
    Inventor: Kei Mori
  • Patent number: 4773617
    Abstract: A lighter-than-air craft [10] having an outer envelope [11] divided into an inner envelope [25] and a plurality of compartments [40,41,42]. The compartments are filled with lifting gases such as helium and hydrogen and the overall lifting force of the craft is regulated by supplying hot air to the inner envelope.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: September 27, 1988
    Inventor: Burton L. McCampbell
  • Patent number: 4762295
    Abstract: An inflatable hull has an integral nose section comprising an array of trapezoidal fabric sections secured to form a frustro-conical volume. A nose cap is secured to the end of the frustrum with a conical array of tensioned ropes secured at their ends to the hull. The conical volume side walls at the nose taper to the cone axis at an angle such that a vertical load at the nose apex or an axial load on the region of the nose next to the apex does not bend, collapse or otherwise damage the nose section to provide a soft mooring attachment for the aerostat.
    Type: Grant
    Filed: November 25, 1986
    Date of Patent: August 9, 1988
    Assignee: General Electric Company
    Inventor: Terrell H. Yon, Jr.
  • Patent number: 4711416
    Abstract: The invention concerns a steered aerostatic balloon and in particular the creation of balloons of large volumes, which are free (airships, space balloons) or captive (material loading or unloading balloons). This balloon has an outer envelope (1) containing air, an interpolar connector (11) connecting the lower pole (2) and the upper pole (3) of this envelope, a grid of longitudinal reinforcements (8) connected to the poles (2) and (3), a grid of circumferential reinforcements (8) connected to the poles (2) and (3), a grid of circumferential reinforcements (7), at least one inside envelope (12) within the first envelope and containing helium, this latter envelope during inflation coming to rest against the outer envelope and being provided with poles fixed on the interpolar connector (11), and lastly air intake means and air evacuation means to and from the outer envelope.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: December 8, 1987
    Assignee: Centre National d'Etudes Spatiales (C.N.E.S)
    Inventor: Robert Regipa