Abstract: A filler neck for the fuel tank of a motor vehicle, comprising a flap and a locking element. The filler neck is designed such that it is impossible to fill the tank with the wrong fuel. The foregoing is achieved by the fact that the flap can be rotated about a hinge pin which is three-dimensionally movable and while the flap is retained by at least two elements that are pivotable about one respective pin. One of the pivotable elements supports the hinge pin of the flap while another pivotable element is configured as a locking lever that is disposed across from the hinge pin.

Abstract: Multifunctional valve for the fuel tank of a motor vehicle. In order to fulfill all these requirements in terms of safety and the restriction of emissions with a valve in as simple a way as possible, the closing element (22) can be moved to a limited degree with respect the float (16), is acted on by a first spring (27) and has a small pressure equalization hole (25), an intermediate element (30) is provided on the float (16) and above the closing element (22) and can move to a limited degree with respect to the float (16) in the axial direction and is acted on by a second spring (35), and a seat plate (38) is arranged above the intermediate element (30) and is pressed downward against a second seat (43) by a third spring (39).

Abstract: A fuel tank for motor vehicles is constructed so that the generation of noise in the fuel tank due to sloshing fuel is minimized. For this purpose, a dampener element, which is permeable to the flow of liquid fuel, is attached to the interior of the tank. According to the invention, the dampening element has a dimensionally stable lattice or similar network structure. This dampener element is attached near the bottom wall of the fuel tank and has a generally horizontal orientation.

Abstract: A plug (2) for sealing a filler neck (1) of a fuel tank has a cap (3) which is dismountably attached to the end (5) of the filler neck using a thread (4) or bayonet, and a seal (6) whose sealing surface (7) faces a counter-sealing surface (8) of the filler neck, whereby a ring-shaped molding (9) is provided between the sealing surface and the counter-sealing surface. In order to minimize the amount of permeation, a sealing ring (10) outside of the molding (9) is provided, the sealing ring being made of an elastomer with high resistance to permeation, and the sealing surface (7) and the counter-sealing surface (8) create a narrow gap (20) on the sealing ring (10) side facing the molding (9), this gap extending to the sealing ring (10).

Abstract: A filling pipe for a fuel tank comprises a housing which has, on its inner circumference, a number of inwardly directed threaded segments and at least one vertical indentation, the upper part of the housing has segmented threaded parts for screwing a closure cap therein, and its lower part, which is contracted to the diameter of the filling pipe, contains an insert. The insert has, on its outer circumference, a number of outwardly directed threaded segments and two outwardly directed lugs, the segments together with the inwardly directed threaded segments of the housing holding the insert in the longitudinal direction, and the lugs together with the at least one indentation form a safeguard against twisting.

Abstract: A filler neck for the fuel tank of a motor vehicle. The inventive filler neck comprises a housing (12, 14) which has an outer closure (30) that can pivot between a closed and opened position and which has a second closure element (50) that is accommodated inside the housing. Said second closure element is interactively connected to a ventilating valve (16) which, in order to equalize pressure, automatically opens in the instance of excess pressure inside the fuel tank and opens when inserting the dispensing nozzle (100), said dispensing nozzle causing the closure element (50) to swivel open. The inventive filler neck is characterized by a lever (1) which is pivotally mounted on the housing (12). Said lever is actuated by the dispensing nozzle (100) when the same is inserted, and opens the ventilating valve (16) before the dispensing nozzle (100) causes the second closure element (50) to swivel open.

Abstract: An arrangement involving a screw connection for connecting two pipes. The arrangement has particular application for connecting a fuel filler pipe to a pipe that is connected to a fuel tank of a motor vehicle. At least one O-ring seal with excellent permeation resistance is clamped in between a resilient ring-shaped collar of a first pipe and an inner cone of a second pipe using a screw connection.

Abstract: A filler pipe for the fuel tank of a motor vehicle having an internally located closure flap which closes a filling aperture at the end region of an internally located housing part made from plastic and can be brought into its open position by insertion of a fuel-pump nozzle in order to fill the fuel tank. An elastomeric seal is arranged on the housing part acting between the housing part and the closure flap. The seal is applied to a seal support which is connected to the plastic housing to provide a seal both relative to the closure flap and relative to the housing part.

Abstract: A filler neck for the fuel tank of a motor vehicle with a shutter which is mounted inside the filler neck and which can be actuated by the pump nozzle into an open position for filling the fuel tank and into a closed position via an actuating mechanism. The actuating mechanism of the shutter cooperates with a damping device during the closing movement in such a way that the shutter can be closed with a time delay.

Abstract: To provide a simple on-board refueling vapor recovery (ORVR) system without separate check valves and the like, a multi-path valve, typically a 6/2 valve (5) is provided, and formed with a discrete switching path (13) which is inserted in a pressure equalization line (12). Upon valve operation between a fuel filling mode position and an operating mode position, respectively, the valve switches the discrete switching path of the pressure equalization line (12) to connect the equalization line (12) to a fuel vapor receptor through a valve outlet when the valve (5) is in operating mode position, while blocking the equalization line (12) when the valve (6) is in filling mode position.