Provided is a flap valve device and a gas liquid separation device provided with a flap valve wherein the flap valve device is highly compact, and is easy to assemble. In a normally open flap valve device (2) comprising a main body (5) having an opening (4), a flap (6) for selectively closing the opening and a torsion coil spring (7) provided between the main body and the flap for biasing the flap in an opening direction, the flap valve device further comprises a main body side bearing (21) provided on the main body; a flap side bearing (25) provided on the flap; a connecting member (27) including a hinge shaft (27A) passed through the main body side bearing, the flap side bearing and a coil portion (7A) of the torsion coil spring so as to serve as a pivot shaft for the flap, and an extension (27B) extending from an end of the hinge shaft along an outer part (6B) of the flap; and a spring engagement portion (43) provided on the main body for engaging an end of the torsion coil spring; another end of the torsion coil spring being engaged by the extension, the extension being engaged on the outer part of the flap.


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    Title :

    FLAP VALVE DEVICE AND GAS-LIQUID SEPARATING DEVICE COMPRISING FLAP VALVE DEVICE


    Additional title:

    KLAPPENVENTILVORRICHTUNG UND GAS-FLÜSSIGKEIT-TRENNVORRICHTUNG MIT KLAPPENVENTILVORRICHTUNG
    DISPOSITIF SOUPAPE À CLAPET ET DISPOSITIF DE SÉPARATION GAZ-LIQUIDE COMPRENANT LE DISPOSITIF SOUPAPE À CLAPET


    Contributors:
    ABE RYOTA (author)

    Publication date :

    2020-03-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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





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