FUEL TANK VENTILATION SYSTEM

• Main Authors: VAN SCHAFTINGEN, JULES JOSEPH, DIEZ, LAURENT, OP DE BEECK JOEL, HILL DAVID
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2024
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

The invention relates to a fuel tank ventilation system (10) for a motor vehicle, comprising:-a fuel tank (1) comprising a vapour dome; a fueling line (2); -a fuel vapor trap (3) connected to the fuel tank (1) by an inlet duct (4), where the inlet duct (4) is connected to the fuel tank (1) by at least one continuously open hole (5) arranged in a vapor dome of the fuel tank (1) in static conditions; and-a normally closed opening and closing device (CVS) (6) communicating with the atmosphere and connected to the fuel vapor trap (3) through an outlet duct (7), the normally closed opening and closing device (6) comprising an electrically operated valve which closes when it is powered off; wherein the normally closed opening/closing device (6) is arranged to be opened during the fueling process of the vehicle and to be closed when the fuel in the fuel tank (1) reaches a predetermined filling level and when the vehicle is in a normal operating state. 本发明涉及一种用于机动车辆的燃料储箱通气系统(10)，其包括：-包括蒸气圆顶的燃料储箱(1)；-加燃料管(2)；-通过入口管道(4