To provide a tire/wheel assembly and a radio electric power reception system each of which can attain high efficiency of electric power reception in automatic electric power supply using an electromagnetic induction method, and a tire.SOLUTION: In a radio electric power reception system 1, a tire/wheel assembly 3 comprises a tire 10 and a wheel 20 having a rim portion 21. The tire is mounted on the rim portion, and an electric power receiving coil 31 is provided inside the tire/wheel assembly or in the rim portion. The surface of the tire comes in contact with ground at a ground-contact surface when the tire is mounted on the rim portion, is filled with specified inner pressure and is applied with a maximum load, and the ground-contact surface is denoted as St(mm2), and the maximum projected area of electric power receiving coil 31 on the road surface when the coil is positioned in such a manner that the projected areas of the electric power receiving coil becomes maximum is denoted as Sc(mm2), a ratio of Sc/St is 1 or less.SELECTED DRAWING: Figure 1

    【課題】電磁誘導方式を用いた自動給電において、高い受電効率を達成することができる、タイヤ・ホイール組立体、無線受電システム及びタイヤを提供する。【解決手段】無線受電システム1において、タイヤ10と、リム部21を有するホイール20と、を備えたタイヤ・ホイール組立体3であって、タイヤは、リム部に装着され、タイヤ・ホイール組立体の内部又はリム部に、受電コイル31を備える。タイヤをリム部に装着し、規定内圧を充填し、最大負荷荷重を負荷した際に路面と接地する面である接地面の面積をSt(mm2)とし、受電コイルが、該受電コイルを路面に投影した際に受電コイルの投影面積が最大となるように位置した際の、該投影面積をSc(mm2)とするとき、比Sc/Stは、1以下である。【選択図】図1


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    Title :

    TIRE/WHEEL ASSEMBLY, RADIO ELECTRIC POWER RECEPTION SYSTEM, AND TIRE


    Additional title:

    タイヤ・ホイール組立体、無線受電システム、及びタイヤ


    Contributors:

    Publication date :

    2021-02-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B60C VEHICLE TYRES , Fahrzeugreifen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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