JP2004058978A

JP2004058978A - Aircraft tire and rim having blade like windmill to reduce friction, shock or the like between tire and runway when aircraft is landing

Info

Publication number: JP2004058978A
Application number: JP2002255833A
Authority: JP
Inventors: Yukitaka Urasato; 浦郷　幸隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-29
Filing date: 2002-07-29
Publication date: 2004-02-26

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the weight of an aircraft, to lessen the wear of a tire, and to prolong the service life of the tire. <P>SOLUTION: Blades of a semi-spherical shape or an adequate shape which are rotated under the wind are fitted to a tire, a rim or both of an aircraft. The tire and the rim are fitted to the aircraft, in which wheels are rotated by the effect with the outside air when the aircraft lowers its landing gear, and rotated at considerably high speed when the aircraft is landing to reduce the friction and shocks when the aircraft lands. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
従来、航空機が着陸する際にタイヤが滑走路に接地した瞬間、摩擦熱によりタイヤから煙が発生している。このことはタイヤの減耗を早めるとともに着陸装置等の受けるショックは大きく、このショックに耐えるためには同装置等の強度を上げなければならず、強度を上げれば重量が増大する等の重大な不具合がある。
このような不具合を軽減するため、航空機のタイヤ又はリム或いはその両方に風車のような羽根を取り付け、航空機が着陸陸装置を下ろした時から羽根のついた車輪は外気との作用で回転をはじめ、徐々に回転数を増し最終的にはタイヤ外周の速度が航空機の速度にかなり近い速度まで回転数が上がるものと考えられる。
このように車輪が回転している状態で着陸すれば、タイヤと滑走路との摩擦及びショックは軽減され摩擦によるタイヤの早期磨耗及び着陸装置等の重量増大等の重大な不具合を改善できる。
【０００２】
【従来の技術】
従来の航空機用車輪においては、着陸時に車輪を回転させる駆動装置等が取り付けられていないため、航空機が着陸する際に車輪は回転しておらず、接地の瞬間車輪が回転を始める時の摩擦及び着陸装置が受けるショックが大きくタイヤから煙が発生する等不具合が生じている。このことはタイヤの磨耗を早めるとともに、着陸装置等の強度を上げなければならず、強度を上げれば重量が増加する等の重大な欠点を有している。
【０００３】
【発明の実施の形態】
車輪が風を受けたら回転するように、航空機のタイヤまたはリム或いはその両方にゴム、プラスチックまたは金属等の適当な材質で作成した半球形状または適当な形状の羽根を車輪の片側あるいは両側に適当な方法で取り付ける。
なお、パイロットの着陸装置の操作方法は従来と同様であり特に問題点等はない。
【０００４】
【発明の効果】
本発明は、航空機が着陸する際、下ろした車輪が相当高速で回転しているため、接地時のタイヤと滑走路との摩擦は小さく着陸装置の受けるショックも小さい。したがって、着陸装置の強度を従来よりも弱く設計することができる。このことは航空機の重量軽減につながり極めて効果的である。また、タイヤの磨耗は少なくタイヤの寿命がのびる等の効果も期待できる。
【図面の簡単な説明】
【図１】タイヤに羽根を取り付けた場合の斜視図であり、概念図である。
【図２】タイヤに羽根を取り付けた場合の側面図であり、概念図である。
【図３】タイヤに羽根を取り付けた場合の平面図であり、概念図である。
【図４】リムに羽根を取り付けた場合の斜視図であり、概念図である。
【図５】リムに羽根を取り付けた場合の側面図であり、概念図である。
【図６】リムに羽根を取り付けた場合の平面図であり、概念図である。
【符号の説明】
１　羽根
２　タイヤ
３　リム[0001]
TECHNICAL FIELD OF THE INVENTION
2. Description of the Related Art Conventionally, at the moment when a tire touches a runway when an aircraft lands, smoke is generated from the tire due to frictional heat. This hastens tire wear and the impact received by the landing gear is large, and the strength of the equipment must be increased in order to withstand this shock. There is.
In order to reduce such problems, windmill-like blades are attached to the tires and / or rims of the aircraft, and the wheels with the blades start rotating by the action of outside air when the aircraft lowers the landing gear. It is considered that the number of revolutions gradually increases, and finally the number of revolutions increases to a speed at which the outer peripheral speed of the tire is considerably close to the speed of the aircraft.
If the landing is performed while the wheels are rotating in this way, friction and shock between the tire and the runway are reduced, and serious problems such as early wear of the tire due to the friction and an increase in the weight of the landing gear can be improved.
[0002]
[Prior art]
Conventional aircraft wheels do not have a drive device or the like that rotates the wheels at the time of landing, so the wheels do not rotate when the aircraft lands, and the friction and The landing gear receives a large shock, causing problems such as the generation of smoke from tires. This has the serious disadvantages that tire wear must be accelerated and the strength of the landing gear must be increased, and if the strength is increased, weight increases.
[0003]
BEST MODE FOR CARRYING OUT THE INVENTION
A hemispherical or appropriately shaped vane made of a suitable material, such as rubber, plastic or metal, may be fitted to one or both sides of the wheel on the tires and / or rims of the aircraft so that the wheels will rotate when exposed to wind. Attach by the method.
The operation method of the landing gear of the pilot is the same as the conventional method, and there is no particular problem.
[0004]
【The invention's effect】
In the present invention, when the aircraft lands, the lowered wheels are rotating at a considerably high speed, so that the friction between the tires and the runway at the time of touchdown is small, and the shock received by the landing gear is small. Therefore, the strength of the landing gear can be designed to be weaker than before. This is very effective in reducing the weight of the aircraft. In addition, effects such as little tire wear and a long tire life can be expected.
[Brief description of the drawings]
FIG. 1 is a perspective view when a blade is attached to a tire, and is a conceptual diagram.
FIG. 2 is a side view when a blade is attached to a tire, and is a conceptual diagram.
FIG. 3 is a plan view when a blade is attached to a tire, and is a conceptual diagram.
FIG. 4 is a perspective view when a blade is attached to a rim, and is a conceptual diagram.
FIG. 5 is a side view when a blade is attached to a rim, and is a conceptual diagram.
FIG. 6 is a plan view when a blade is attached to a rim, and is a conceptual diagram.
[Explanation of symbols]
1 blade 2 tire 3 rim

Claims

Aircraft tires that reduce the friction and shock between the tires and the runway at the time of aircraft landing with blades attached so that they rotate when receiving wind like a windmill at appropriate places on the side of the tires

Aircraft rim with blades installed so that it rotates when it receives wind, such as a windmill, on the appropriate side of the rim to reduce friction and shock between the tire and the runway when the aircraft lands.