A valve device 10 to prevent over-filling a fuel tank comprising; a housing 15 including peripheral wall portions 21, 41, 52, a partition wall 23, a float valve 80, and an opening 27 connecting a valve chamber V to a ventilation chamber R. The float valve and float valve support 51 are accommodated in the valve chamber, the valve rises/descends to open and close the opening. A full tank regulation opening 70 opens in an axial (vertical) direction and is configured to connect the fuel tank and the valve chamber. The full tank regulation opening enables continuous refuelling from a refuelling nozzle when the full tank regulation opening is not immersed, and continuous refuelling is stopped when the full tank regulation opening is immersed. Communication ports 60a allow fuel and air to flow between the valve chamber and the tank. Preferably the full tank regulation opening is arc shaped.
Valve device for fuel tank
2024-08-14
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 |