A vehicle tank pressurization device has a valve seat establishing an opening for fuel vapours and/or air; such opening has a vertical axis coincident with the direction of application of an opening force, that is directed upwards and is produced, in use, by the pressure in an internal upper region of the tank; the device also has a movable shutter, placed on the valve seat, to open/close the valve seat, and having a weight set by design in such a way as to define the magnitude of a closing force directed downwards and with a center of gravity positioned eccentrically with respect to the vertical axis of the opening.
VEHICLE TANK PRESSURIZATION DEVICE
2017-10-19
Patent
Elektronische Ressource
Englisch
IPC: | F16K VALVES , Ventile / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF |
Tank pressurization controller and tank pressurization system
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AIAA | 2005
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