IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0160119
(2006-07-01)
|
등록번호 |
US-8286910
(2012-10-16)
|
우선권정보 |
CH-0024/06 (2006-01-10) |
국제출원번호 |
PCT/EP2006/006409
(2006-07-01)
|
§371/§102 date |
20081013
(20081013)
|
국제공개번호 |
WO2007/079788
(2007-07-19)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
4 |
초록
▼
Unmanned aircraft for telecommunicative or other scientific purposes, which is stationed at a determined height, in particular in the stratosphere. The aircraft includes a gas-filled balloon carrying a platform and equipment that maintains the platform in a position relative to the ground. The ballo
Unmanned aircraft for telecommunicative or other scientific purposes, which is stationed at a determined height, in particular in the stratosphere. The aircraft includes a gas-filled balloon carrying a platform and equipment that maintains the platform in a position relative to the ground. The balloon carrying the platform is disposed in the interior of an external balloon of aerodynamical shape, particularly in the stratosphere. At least one low or high pressure insulation chamber filled with a medium is arranged between them and encircles the inner balloon. The medium used in the insulation chamber is a gas having a low thermal conductivity. The negative effects of the temperature differences are largely compensated so that the inner balloon can be produced from a lighter and cheaper material, thereby increasing durably its longevity.
대표청구항
▼
1. Unmanned aircraft stationable at a pre-determined altitude in the stratosphere, comprising: a platform for telecommunications equipment or scientific equipment,an outer balloon having an aerodynamic external shape at least when present in the stratosphere,a pressurizable inner balloon fillable wi
1. Unmanned aircraft stationable at a pre-determined altitude in the stratosphere, comprising: a platform for telecommunications equipment or scientific equipment,an outer balloon having an aerodynamic external shape at least when present in the stratosphere,a pressurizable inner balloon fillable with gas, the outer and inner balloons supporting the platform, the inner balloon being arranged inside the outer balloon such that the outer balloon forms at least one insulating chamber around the inner balloon,circulation means for circulating gas through the at least one insulating chamber,at least one additional balloon arranged inside the inner balloon, the at least one additional balloon being attached on its underside to the inner balloon and configured such that an amount of gas in the at least one additional balloon is controllable to enable the inner balloon to be maintained at a constant pressure,connecting means for connecting an underside of the inner balloon to an underside of the outer balloon, andposition maintaining means for maintaining the position of the platform with respect to the Earth. 2. Aircraft according to claim 1, wherein the gas for the at least one insulating chamber is air, xenon and/or krypton. 3. Aircraft according to claim 1, wherein the at least one insulation chamber extends helically around the inner balloon and is delimited by transversal sections running between the inner balloon and the outer balloon. 4. Aircraft according to claim 1, wherein the at least one insulation chamber is arranged on an inner perimeter of the outer balloon, runs helically and at a distance from the inner balloon and is formed by one or more envelopes approximately rectangular in cross-section. 5. Aircraft according to claim 1, further comprising interconnected pocket- or cushion-shaped insulation chambers arranged around the inner balloon, which at least partially fill a space between the inner balloon and the outer balloon or are arranged at a distance from the inner balloon on an inner perimeter of the outer balloon. 6. Aircraft according to claim 1, further comprising an additional insulation chamber between the inner balloon and the at least one insulation chamber, the additional insulation chamber being arranged to contain outside air. 7. Aircraft according to claim 1, further comprising a solar collector film arranged on an outer surface of the outer balloon and an additional plastic layer applied to the solar collector film as a heat shield. 8. Aircraft according to claim 7, wherein the outer balloon includes an elevator or rudder unit, the solar collector film being arranged on the elevator or rudder unit, and the additional plastic layer constituting the heat shield being a layer of foam or a different insulating material. 9. Aircraft according to claim 1, further comprising an infrared collector film arranged in connection with the outer balloon. 10. Aircraft according to claim 9, wherein the infrared collector film covers a larger area of the outer balloon than the solar collector film. 11. Aircraft according to claim 9, wherein both the inner balloon and the outer balloon are made from a transparent material, and the infrared collector film is applied on the inside of the outer balloon facing downward. 12. Aircraft according to claim 1, wherein both the inner balloon and the outer balloon are made from a multilayer plastic, in which an aluminum layer is applied onto a plastic base. 13. Aircraft according to claim 1, wherein the outer balloon is functionally connected with an additional balloon forming a compensation chamber and fillable with a low thermal conductivity gas. 14. Aircraft according to claim 1, wherein the inner balloon is functionally connected with an additional balloon forming a compensation chamber and fillable with the same gas, via which the pressure in the inner balloon is adjustable. 15. Aircraft according to claim 1, further comprising at least one inlet to the at least one insulating chamber on an underside of the outer balloon and at least one outlet to the at least one insulating chamber on an upper side of the outer balloon. 16. Aircraft according to claim 1, further comprising an inlet and an outlet valve for letting gas in or out of the at least one additional balloon to enable the constant pressure in the inner balloon to be maintained. 17. Aircraft according to claim 1, wherein the gas circulating through the at least one insulating chamber includes a gas having a low thermal conductivity. 18. Aircraft according to claim 1, further comprising a connecting element that connects the platform to an underside of the outer balloon. 19. Aircraft according to claim 1, further comprising a coupling system that articulatingly and detachably couples the platform to the outer balloon. 20. Unmanned aircraft stationable at a pre-determined altitude in the stratosphere, consisting of: a platform for telecommunications equipment or scientific equipment,an outer balloon having an aerodynamic external shape at least when present in the stratosphere,a single pressurizable, inner balloon that contains gas, the outer and inner balloons supporting the platform, the inner balloon being arranged inside the outer balloon such that the outer balloon forms only a single insulating chamber around the inner balloon, an underside of the inner balloon being connected to an underside of the outer balloon,circulation means for circulating gas through the insulating chamber,at least one additional balloon arranged inside the inner balloon, the at least one additional balloon being attached on its underside to the inner balloon, an amount of gas in the at least one additional balloon being controlled to enable the inner balloon to be maintained at a constant pressure, andposition maintaining means for maintaining the position of the platform with respect to the Earth.
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