A misfueling prevention system for a vehicle may include an upper housing disposed at an inlet of a fuel filler neck, a lower housing disposed inside the fuel filler neck, supported by a hinge structure in the upper housing, and rotatable by a center returning spring disposed between the upper housing and the lower housing, a stopper spring and a stopper, the stopper being rotatably disposed at one side of the lower housing in a pin structure and rotatable by a contact with a refueling gun, and a flapper spring and a flapper, the flapper having one end rotatably disposed at another side of the lower housing in a pin structure and another end lockable in a recess part of the stopper and pushed to be opened by the refueling gun when released from the recess part of the stopper.
Structure of fuel filler neck to prevent misfueling
2016-07-19
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 |