[특허]Lighter-than-air aircraft with air cushion landing gear means

[미국특허] Lighter-than-air aircraft with air cushion landing gear means 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-025/00
출원번호	US-0497255 (2002-12-05)
우선권정보	GB-0129153(2001-12-05)
국제출원번호	PCT/GB02/005506 (2002-12-05)
§371/§102 date	20041126 (20041126)
국제공개번호	WO03/047967 (2003-06-12)
발명자 / 주소	Munk,Jeffrey R
출원인 / 주소	Advanced Technologies Group Limited
대리인 / 주소	Dann, Dorfman, Herrell and Skillman
인용정보	피인용 횟수 : 25 인용 특허 : 25

초록 ▼

A lighter-than-air aircraft (1) having a gas-filled hull (2) and a pair of spaced apart landing gear units (11, 12) on the underside of the hull arranged on opposite sides of a longitudinally extending central vertical plane of the hull. Each landing gear unit (11, 12) comprises bag skirt means (5-7, 5'-7'), means for supplying air to and removing air from the bag skirt means and actuating means operable to move the bag skirt means between an operative configuration for containing one or more air cushions and an inoperative configuration.

대표청구항 ▼

The invention claimed is: 1. A lighter-than-air aircraft, comprising: a gas-filled hull; and a pair of spaced apart landing gear elements on the underside of the hull arranged on opposite sides of a longitudinally extending central vertical plane of the hull, wherein each landing gear element comprises: an air cushion unit, comprising first and second bag skirts extending along opposite sides of the air cushion unit and provided with a releasable connector, an air controller for supplying air to and removing air from at least one of the first and second bag skirts and an actuator operable to move the bag skirts between an operative configuration for containing one or more air cushions and an inoperative configuration. 2. An aircraft according to claim 1, wherein the first and second bag skirts of the two air cushion units, when in their operative configurations, are inflated and extend downwardly from the underside of the hull to define downwardly open air cavities in which the air cushions are created and, when in their inoperative configurations, are positioned closer to the underside of the hull. 3. An aircraft according to claim 1, wherein the actuator is operable to connect the connector together in the inoperative configuration of the first and second bag skirts and to disconnect the connector when the first and second bag skirts are moved into their operative configuration. 4. An aircraft according to claim 3, wherein the first and second bag skirts each have a longitudinally elongated edge and the connector is operable to connect the first and second bag skirts along the length of the longitudinally elongated edge. 5. An aircraft according to claim 3, wherein each bag skirt comprises an inflatable and deflatable bladder secured to the underside of the hull. 6. An aircraft according to claim 5, wherein said air controller is intended to fully inflate the bladder in the operative configurations of the bag skirts with air being fed at the same time into the air cavities to provide the air cushions. 7. An aircraft according to claim 6, wherein means are provided for the escape of air supplied to the bladder means into the air cavities. 8. An aircraft, comprising: a longitudinally elongated hull configured to receive and enclose a gas that is lighter than air; a pair of laterally spaced about landing gear elements connected with the hull, each landing gear element comprising: first and second longitudinally elongated bladders laterally spaced apart from one another; an air cavity configured to provide an air cushion, wherein the air cavity is formed between the first and second baldders; and a cover for selectively covering the air cavity, wherein in a first position the cover overlies the air cavity and in a second position at least a portion of the air cavity is uncovered. 9. The aircraft of claim 8 wherein at least a portion of the cover is displaceable between the first and second positions in response to inflation or deflation of the first bladder. 10. The aircraft of claim 8 comprising an air control element operable to control air pressure in the first bladder. 11. The aircraft of claim 10 wherein the air control element comprises a fan. 12. The aircraft of claim 8 wherein the cover comprises a first portion having a free edge and a second portion having a second free edge, wherein in the first position the first and second free edges are connected to one another and in the second position the first and second free edges are spaced apart from one another. 13. The aircraft of claim 8 wherein each landing gear element comprises: a forward skirt extending between a forward edge of the first bladder and a forward edge of the second bladder; and a rearward skirt extending between a rearward edge of the first bladder and a rearward edge of the second bladder; wherein the forward and rearward skirts and first and second bladders form walls enclosing sides of the air cavity for each landing gear element. 14. An aircraft, comprising: a longitudinally elongated hull configured to receive and enclose a gas that is lighter than air; a pair of laterally spaced apart landing gear elements connected with the hull, each landing gear element comprising: a first longitudinally elongated inflatable bladder; a second longitudinally elongated inflatable bladder; a skirt defining a border of a downwardly open air cavity adjacent the first and second bladders when the bladders are inflated; and a cover for selectively covering the air cavity, wherein in a first position the cover covers the air cavity and in a second position at least a portion of the air cavity is uncovered. 15. The aircraft of claim 14 wherein at least a portion of the cover is displaceable between the first and second positions in response to inflation of the first bladder. 16. The aircraft of claim 14 comprising an air control element operable to control air pressure in the first bladder. 17. The aircraft of claim 16 wherein the air control element comprises a fan. 18. The aircraft of claim 14 wherein the cover comprises a first portion having a free edge and a second portion having a second free edge, wherein in the first position the first and second free edges are connected to one another and in the second portion the first and second free edges are spaced apart from one another. 19. The aircraft of claim 14 wherein the skirt comprises a forward skirt extending between a forward edge of the first bladder and a forward edge of the second bladder; and each landing gear element comprises a rearward skirt extending between a rearward edge of the first bladder and a rearward edge of the second bladder; wherein the forward and rearward skirts and first and second bladders form walls enclosing sides of the air cavity for each landing gear element. 20. The aircraft of claim 14 comprising an air supply element operable to supply a flow of air to the air cavity when the cover is in the second position.

이 특허에 인용된 특허 (25) 인용/피인용 타임라인 분석

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Iturralde Miguel A. (1450 SW. 87th Ave. ; Apt. J Miami FL 33174), Air vehicle.
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Broadhurst Jeffrey C. (Burton-on-Trent GBX), Aircraft landing equipment.
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Grant Terrence (P.O. Box F-4281 Freeport ; Grand Bahama BSX), Amphibious vehicle.
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Letsinger Gary R. (Seattle WA), Boundary layer control for air cushion landing systems.
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Cockerell Christopher (Southampton GB2), Cushion seals for air cushion vehicles.
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Filimonov Alexandr Iosifovich,RUX, Filimonov hybrid dirigible craft.
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Belolipetsky ; Alexei Yakovlevich ; Levochkin ; Pavel Afanasievich ; Jurkovsky ; Ivan Ivanovich ; Kolomiets ; deceased ; Boris Makarovich, Ground-effect landing gear for aircraft.
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Arney Donald B. (1001 - 2191 West 39th Avenue Vancouver ; British Columbia CAX V6M 1T7), Inflatable float assembly and undercarriage for aircraft.
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Vaughan John C. (Rockville MD), Negative air cushion for airship ground handling.
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McAvoy John Jerome (Seattle WA), Outrigger air bag landing system.
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McAvoy John Jerome (Seattle WA), Outrigger air cushion landing system.
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Eichstedt David B. ; Morehead John P. ; Kalisz John B., Propulsion system for a semi-buoyant vehicle with an aerodynamic.
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Carrot Louis (La Mare aux Fes 42530 Saint Genest Lerpt FRX), Safety device for helicopters and similar equipment with rotors.
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Henry John (Cowes EN), Skirts for air cushion vehicles.
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Van Veldhuizen ; John, Surface effects air vehicle.
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Sinitsyn Dmitry N. (N. Novgorod RUX) Alyamovsky Vladislav G. (N. Novgorod RUX) Antonov Anatoly A. (N. Novgorod RUX) Radovitsky Genrich L. (N. Novgorod RUX) Tomilin Vladimir V. (N. Novgorod RUX) Litin, Transport facility with dynamic air cushion.
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Black John O. (9607 Sturgeon Valley Rd. Vanderbilt MI 49795), Vertical ascending and descending airplane.
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Perez, David J., Vibration suppressing trunk fingers for air cushion devices.
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[미국특허] Lighter-than-air aircraft with air cushion landing gear means 원문보기

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