PROBLEM TO BE SOLVED: To provide a fuel tank check valve capable of preventing the intrusion of air into a vehicle fuel tank and keeping a liquid-tight state.SOLUTION: A fuel tank check valve 50 comprises: a tubular main body 51 provided to penetrate a fuel tank 20 from an inside to an outside of the fuel tank 20; a closing portion 54 closing one end, inside of the fuel tank 20, of the main body 51; a hole 56 provided to penetrate a wall of the main body 51 from an in side to an outside of the wall; and a valve body 61 fitted into an inner circumferential surface 57 of the main body 51 so as to be able to open or close the hole 56. The valve body 61 is a flexible member of a bottomed cylinder shape including an opening 61c only on a closing portion 54-side, and pressing means 65 pressing the valve body 61 via the opening 61c in a direction in which the valve body 61 closes the hole 56 is provided in main body 51.

    【課題】車両用の燃料タンク内に空気の侵入を防止して液密状態を保つことができる燃料タンク用逆止め弁を提供すること。【解決手段】燃料タンク用逆止め弁50は、燃料タンク20を内外貫通して設けられた管状の本体部51と、本体部51のなかの燃料タンク内側の一端部を閉塞する閉塞部54と、燃料タンク20の中で、本体部51の壁に内外貫通するように設けられた孔部56と、孔部56を開閉可能に、本体部51の内周面57に嵌め込まれた弁体61とを含む。弁体61は、閉塞部54側のみに開口61cを有した、可撓性の有底筒状の部材であり、弁体61によって孔部56を閉じる方向に、開口61cを通して弁体61を押し付ける押し手段65が、本体部51の中に設けられている。【選択図】図2


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    Title :

    FUEL TANK CHECK VALVE


    Additional title:

    燃料タンク用逆止め弁


    Contributors:

    Publication date :

    2015-11-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / F16K VALVES , Ventile



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