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.
FLAP VALVE DEVICE AND GAS LIQUID SEPARATION DEVICE PROVIDED WITH FLAP VALVE DEVICE
2017-01-19
Patent
Electronic Resource
English
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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