Abstract: There is provided an anti-siphon device for securing in a fluid tank inlet. The anti-siphon device comprises a housing, an inlet to the housing adapted to receive a fluid dispensing nozzle, the inlet at a proximal end of the hosing, and an outlet at a distal end of the housing. The anti-siphon device further comprises an obstruction disposed within the housing, where an outer surface of the obstruction and an inner wall of the housing define a first flow passageway. The obstruction comprises, a chamber disposed within the obstruction and configured to receive fluid, an inlet aperture in a first portion of the obstruction, and an outlet aperture in a second portion of the obstruction, where the inlet aperture, chamber, and outlet aperture define a second flow passageway, the second flow passageway being configured such that, in use, fluid can flow from the inlet aperture to the outlet aperture via the second flow passageway, whilst flows from the inlet to the outlet via the first flow passageway.

Abstract: A fuel tank inlet assembly comprising a fuel tank inlet (200) defining an opening. The fuel tank inlet is configured for receipt by an aperture of the fuel tank (400). An anti-siphon device (300) is configured for receipt by the fuel tank inlet. The anti-siphon device defines an inlet aperture and comprises an anti-siphon portion configured to inhibit the passage of a siphon tube through the anti-siphon device. The fuel tank inlet comprises a first locking portion (206) and the anti-siphon device defines a second locking portion (307) configured to engage the first locking portion so as to secure the anti-siphon device to the fuel tank inlet such that the anti-siphon device is positioned within the fuel tank inlet entirely beyond the opening.

Abstract: A lockable assembly for a fuel filler pipe including a cap supported upon a unit mounted to the fuel filler pipe. The cap has at least one locking tab which is actuated by a key insertable portion incorporated into the cap and in order to lock or unlock the cap for removal from the outside part of the unit attached to the filler pipe. The key insertable portion can further include a rotatable component. The at least one locking tab further includes a pair of locking tabs which are radially displaced via the rotatable component so that the tabs displace in opposite directions. Other features include a sliding limiter component associated with each of the oppositely directed locking tabs.

Abstract: An anti-siphoning device, particularly for preventing the extraction of fuel from tanks, the anti-siphoning device includes a ring provided with an axial tube and with which an additional ring is associable which is coupled to the tank. The device further includes the first end of a duct which protrudes within the tank associated rotatably with the axial tube and is provided, axially and at the second end, with an ogive which is adapted to guide and direct the flow of the fuel according to a fluid stream. Elements are further provided for spacing apart the ogive from the inner lateral surface of the duct.

Abstract: A drain closer having a body forming a plug configured for engagement in a drain or sink. The drain closure includes a flexible member translatable through a passage in the body of the plug for snagging hair or fibrous matter within the drain. The flexible member is engageable and disengageable from the plug positioned in the drain by sliding it into and out of the passage running axially through the body of the plug.

Abstract: A siphoning-off guard for a motor vehicle tank system that includes a filler pipe head, a tube and a motor vehicle tank, the motor vehicle tank system contains components which form an end region, the siphoning-off guard being fastened to the end region on the outside surface of the component.

Abstract: The present invention relates to an anti-theft device for fuel tanks, wherein the anti-theft device comprises a pipe to be secured to a fuel inlet, wherein the pipe comprises attachment means at its upper portion, furthermore the pipe comprises at least one opening disposed in the side wall of the pipe, wherein the pipe is closed at a lower portion and that said pipe accommodates a substance, wherein said substance is adapted, in the event of a fuel theft attempt, to be carried with the fuel into the pump used during the theft attempt and thereby prevent continued pumping with it, and that the substance is further adapted to be incapable of leaking into the actual fuel tank.

Abstract: One embodiment of an integrated anti-siphon fuel filler assembly includes a fuel tank and tube means including a first end region adapted to be secured directly to the fuel tank for allowing fuel to flow therethrough into an opening of the tank, and restriction means positioned in the tube and defining apertures for the flow of fuel there through.

Abstract: A misfuelling prevention device for a filler neck of a fuel tank includes a tubular element with an inflow side and an outflow side and a closure element, which, when in an open state, permits a flow of fuel through the outflow side, and, when in a closed state, prevents a flow of fuel through the outflow side. In a shell surface of the tubular element there is formed at least one opening which permits a flow of fuel from an inner side of the tubular element through to an outer side of the tubular element. The tubular element can be mounted such that at least a part of the shell surface in which the at least one opening is formed is arranged spaced apart from an inner surface of the filler neck such that fuel flowing through the at least one opening can flow via the filler neck into the fuel tank.

Abstract: A filler neck for the fuel tank of a motor vehicle has a funnel insert having a lockable flap with a lock, which is held by two elements which can each be pivoted about a pin. The flap is released only when both elements are pivoted to one side simultaneously by the filler tube of a gas pump nozzle. In order to open the flap with minimal actuating forces, the first element can be pivoted about a first pin and holds the hinge pin for the flap on its end far from the first pin, and the second element can be pivoted about a second pin and forms a locking hook. The two pins have a spatial distance from one another in the transverse direction and the two elements are loaded with respect to one another by at least one spring.

Abstract: The invention relates to an in particular capless neck end for a container, in particular a fuel container, with a double-flap closure which is formed by an upper pivoting flap (12) and a lower sealing flap (2). Neck ends of this type are known from WO 2006/084908. These known neck ends require too much installation space and are not optimally protected from the contents of the container being pumped out. This is improved by the invention in that the lower sealing flap is arranged in such a manner that it is arranged at an angle to the transverse section plane arranged at right angles to the neck axis (S) when in the closed state, and either the articulation point or, when in the closed state, the end opposite the articulation point of the lower sealing flap is arranged above the lower end of the first circular segment path. Furthermore, an anti-theft means (25) in the form of a mechanical barrier is provided below the double-flap closure.

Abstract: A fuel theft prevention device for an automobile, which is capable of preventing extraction of fuel from a fuel tank using a fuel extraction hose. In the fuel theft prevention device, a hose intrusion prevention member is attached inside a filler pipe, and the hose intrusion prevention member has an attaching section, an intrusion preventing section and a connecting section. The intrusion preventing section has a plurality of end parts, each being brought into contact with or close to an interior surface of the filler pipe, and a plurality of holding parts adapted to hold the end parts and connect the end parts and an end of the connecting section to each other, and the intrusion preventing section is attached in a prescribed position inside the filler pipe.

Abstract: A fuel filler tube having a plurality of spaced ribs disposed within walls of the tube, the ribs being staggered along a length of the tube. The plurality of ribs span is disposed across opposing wall portions of the tube.

Abstract: A method for closing a fuel tank includes providing a base sized to be received within an interior of a fuel tank filler neck, movably mounting a closure structure on the base, and securing a biasing mechanism to the base wherein the biasing mechanism biases the closure structure into a closed position on the base.

Abstract: This invention relates to inlet devices that include, for example, a tubular inlet body having a central bore defined by a tubular wall and having an axis. The tubular wall defines an open proximal end for receiving fuel. A plurality of apertures are provided through the tubular wall for egress of fuel. The distal end of the tubular body is blocked by a baffle defining a baffle surface facing into the bore of the tubular body, wherein at least a portion of the baffle surface is inclined at an acute angle relative to the axis to deflect fuel towards apertures in the tubular wall; and wherein the baffle surface is at least substantially free from apertures.

Abstract: One embodiment of a fuel inlet includes a tube including a side wall having an interior surface that defines an interior adapted for receiving a fuel nozzle therein and for receiving fuel there through, and the side wall including a raised region that extends circumferentially around the interior surface of the side wall and inwardly into the interior.

Abstract: An anti-siphoning fuel system that includes a fuel inlet, a fuel tank, at least one fill tube or hose connecting the fuel inlet to the fuel tank such that fuel may flow from the fuel inlet to the fuel tank, and an anti-siphoning element or device coupled to the fill tube or hose that may be installed in existing boats or cars and obstructs a siphoning hose inserted into the fill tube or hose from entering the fuel tank.

Abstract: An anti-siphon installation assembly includes a spring, a retainer clip mounted on the spring, the retainer clip including a support surface adapted to support an anti-siphon device thereon, and a locator clip mounted on the spring, the locator clip including an outwardly extending arm adapted to contact the upper surface of a fuel filler neck opening.

Abstract: An anti-siphoning fuel system that includes a fuel inlet, a fuel tank, at least one fill tube or hose connecting the fuel inlet to the fuel tank such that fuel may flow from the fuel inlet to the fuel tank, and an anti-siphoning element or device coupled to the fill tube or hose that may be installed in existing boats or cars and obstructs a siphoning hose inserted in to the fill tube or hose from entering the fuel tank.

Abstract: A vehicular fuel tank fuel filler orifice device that is provided with a fuel filler orifice in an upper wall of a vehicular fuel tank that stores ethanol fuel for an engine and a fuel filler guide tube extending from the fuel filler orifice to the interior of the fuel tank. A flame arrestor made of a metal mesh with a larger diameter than that of the fuel filler guide tube is mounted on the fuel filler guide tube. The flame arrestor covers a lower opening of the fuel filler guide tube for allowing a flow of the fuel but preventing the entrance of a flame. Using a flame arrestor, not only prevents a flame from entering a fuel tank from a fuel filler orifice but also smoothly carries out an exchange of fuel and air in the flame arrestor when filling with fuel, thus speeding the filling with fuel.

Abstract: A siphoning-off guard for a motor vehicle tank system that includes a filler pipe head, a tube and a motor vehicle tank, the motor vehicle tank system contains components which form an end region, the siphoning-off guard being fastened to the end region on the outside surface of the component.

Abstract: An anti-siphoning device for use in the tubular fuel filling neck of a vehicle such as a large truck includes a tubular body, which is mounted in the filling neck, resilient fingers on the body for resisting removal of the body from the neck, a plate in the body with a central opening for receiving a fuel dispensing nozzle, vent openings in the plate around the central opening for discharging gases from the fuel tank during a filling operation, a tube extending downwardly from the central opening, and a cage on the bottom end of the tube for preventing insertion of a siphoning tube into the tank.

Abstract: A one-way valve for a fuel-tank filling conduit deters siphoning and prevents back flow of fuel. The one-way valve comprises a blocking element arranged in the conduit and pivotable between a flow-blocking, object-insertion blocking first position and a flow-admitting, object-insertion blocking second position. In the second position the blocking element divides the conduit into flow areas of comparable width. The one-way valve further comprises a bias element that biases the blocking element to the first position.

Abstract: An anti-siphon installation assembly includes a spring, a retainer clip mounted on the spring, the retainer clip including a support surface adapted to support an anti-siphon device thereon, and a locator clip mounted on the spring, the locator clip including an outwardly extending arm adapted to contact the upper surface of a fuel filler neck opening.

Abstract: A fuel storage system includes a tank, a check valve having an inlet tube, an anti-siphon device and a fuel intake tube. The anti-siphon device includes a ring defining an interior opening having a diameter. The ring abuts an upstream end of the inlet tube of the check valve, which includes an inner diameter substantially equal to the diameter of the interior opening of the ring. The ring includes and supports a plurality of fins within the inlet tube without narrowing the inlet tube to maximize fluid flow through the inlet tube. The anti-siphon device is rotatable relative to the check valve and the fuel intake tube. The shape, size and orientation of the fins are optimized to minimize flow interruption through the anti-siphon device and minimize vaporization of the fluid.

Abstract: An anti-siphoning device for use in the tubular fuel filling neck of a vehicle such as a large truck includes a tubular body, which is mounted in the filling neck, resilient fingers on the body for resisting removal of the body from the neck, a plate in the body with a central opening for receiving a fuel dispensing nozzle, vent openings in the plate around the central opening for discharging gases from the fuel tank during a filling operation, a tube extending downwardly from the central opening, and a cage on the bottom end of the tube for preventing insertion of a siphoning tube into the tank.

Abstract: In one aspect, the present invention is directed to a system for preventing and detecting fuel theft from a fuel tank, the system comprising: a perforated casing (18), to be installed into the fuel inlet (28) of the fuel tank, the casing adapted to prevent a pipe from passing therethrough into the tank; a door (14), disposed at the opening (30) of the perforated casing, for blocking in the closed state thereof the inlet (30) to the fuel tank; a safety-catch mechanism, for retaining the door closed when the tank comprises more than a predefined quantity of fuel or to allow opening of the door just when the net is uplifted to the height of the top of the tank.

Abstract: One embodiment of an integrated anti-siphon fuel filler assembly for placement in an opening of a fuel tank includes tube means including a first end region adapted to be secured directly to the fuel tank for allowing fuel to flow therethrough into an opening of the tank, and restriction means positioned in the tube and defining apertures for the flow of fuel there through.

Abstract: The fueling device has a fueling pipe adapted to supply fuel pumped from the inlet opening the fuel tank. A grating member is situated inside the fueling pipe. The grating member includes an annular body positioned substantially concentrically with the fuel passage; and a support body adapted to support the annular body on the inside wall of the flow passage. Gaps present between the inside wall of the passage-defining member and the annular body and the support body constitute part of the fuel passage.

Abstract: The present invention provides a fluid tank inlet assembly having an inlet pipe extending from a mounting structure located at the proximal end of the pipe. A float valve assembly is disposed beyond the distal end of the inlet pipe and includes a float member. An obstruction is located within a housing between the inlet pipe and the float member. The obstruction blocks the line of sight or direct path between the inlet pipe and the float member, but a flow path remains and is defined between the obstruction and the housing wall to allow fluid to flow around the obstruction to the float valve assembly.

Abstract: This invention relates to inlet devices that include, for example, a tubular inlet body having a central bore defined by a tubular wall and having an axis. The tubular wall defines an open proximal end for receiving fuel. A plurality of apertures are provided through the tubular wall for egress of fuel. The distal end of the tubular body is blocked by a baffle defining a baffle surface facing into the bore of the tubular body, wherein at least a portion of the baffle surface is inclined at an acute angle relative to the axis to deflect fuel towards apertures in the tubular wall; and wherein the baffle surface is at least substantially free from apertures.

Abstract: A fuel storage system includes a tank, a check valve having an inlet tube, an anti-siphon device and a fuel intake tube. The anti-siphon device includes a ring defining an interior opening having a diameter. The ring abuts an upstream end of the inlet tube of the check valve, which includes an inner diameter substantially equal to the diameter of the interior opening of the ring. The ring includes and supports a plurality of fins within the inlet tube without narrowing the inlet tube to maximize fluid flow through the inlet tube. The anti-siphon device is rotatable relative to the check valve and the fuel intake tube. The shape, size and orientation of the fins are optimized to minimize flow interruption through the anti-siphon device and minimize vaporization of the fluid.

Abstract: A structure for a fuel filling section of a fuel tank is obtained, in which valve opening pressure of a negative pressure valve, that opens a fuel filling port when a fuel tank interior is negative pressure, can be set independently of a valve opening pressure of an opening/closing valve that opens the fuel filling port due to insertion of a fuel filling gun. A positive pressure valve (50), that opens when the fuel tank interior becomes positive pressure, and a flap valve (70), that opens by being pushed by the fuel filling gun, are provided within a filler pipe (24). Further, a negative pressure valve (60), that opens when the fuel tank interior becomes negative pressure, is provided separately from the flap valve (70). A valve opening pressure of the flap valve (70) can be set without considering a valve opening operation when a fuel tank (10) interior becomes negative pressure.

Abstract: A fuel filler tube having a plurality of spaced ribs disposed within walls of the tube, the ribs being staggered along a length of the tube. The plurality of ribs span is disposed across opposing wall portions of the tube.

Abstract: An anti siphon device constructed of polyethylene balls and placed within a fuel filling neck, above the fuel tank. The anti-siphon device is comprised of an outer perforated ball with an inner axis mounted ball on the interior. The device will allow the free flow of fuel while blocking siphon mechanisms to pass through and reaching the fuel stored below. The device is inexpensive to manufacture and install and does not negatively affect the vehicle operation or fuel refilling capacities.

Abstract: An anti-siphoning device for vehicle fuel tanks includes a barrier in the form of a honeycomb with hexagonal openings located between the fuel tank inlet and the tank itself. The device includes a retractable extension to accommodate a fuel refilling nozzle and openings to allow air in and out of the tank, which makes the refilling process easier.

Abstract: The anti-siphon device prevents a hose or siphon tube from being inserted into the fuel inlet line for a fuel tank of a vehicle, such as a tractor-trailer. The anti-siphon device includes a tube with cams which are moveable from a retracted position to an extended position via a camming sleeve inserted into the tube. The cams are extended into contact with the inside surface of the fuel tank inlet line and preclude removal of the anti-siphon device from the inlet line. The device further includes flighting which prevents a siphon hose from being inserted through the tube into the fuel tank of the vehicle. Holes are provided in the tube of the device to allow fuel to flow freely into the tank during filling. The fuel also passes through the central opening of the camming sleeve, and through a central opening in the flighting for passage out of the bottom of the tube.

Abstract: The present invention provides a fluid tank inlet assembly having an inlet pipe extending from a mounting structure located at the proximal end of the pipe. A float valve assembly is disposed beyond the distal end of the inlet pipe and includes a float member. An obstruction is located within a housing between the inlet pipe and the float member. The obstruction blocks the line of sight or direct path between the inlet pipe and the float member, but a flow path remains and is defined between the obstruction and the housing wall to allow fluid to flow around the obstruction to the float valve assembly.

Abstract: A fuel supply pipe device for a fuel tank of a vehicle includes a fuel supply pipe connected to the fuel tank, and a filler pipe connected to the fuel supply pipe. A hose intrusion preventing member is situated inside the fuel supply pipe. The hose intrusion preventing member includes plural obstructing plates extending parallel to each other following an axial line of the fuel supply pipe, and an annular member attached to the obstructing plates. A metal pipe member is disposed inside the fuel supply pipe adjacent to the hose intrusion preventing member to locate the hose intrusion preventing member inside the fuel supply pipe.

Abstract: An anti-theft, anti-intrusion and anti-overflow device having a plunger formed of a cylindrical retractable filling tube and a coaxial cylindrical plunger tube. The filling tube slides within the plunger tube between a retracted anti-overflow position and an extended filling position and has a security closure. The plunger tube has a surface with a series of openings to allow liquid to pass through during filling of a tank. The plunger tube has an anti-intrusion device to prevent the passage of foreign devices through the plunger. The plunger is designed to be mounted on a neck component of the tank.

Abstract: An integrated fuel management system and method for controlling the fuel storage and delivery in a vehicle. The fuel management system includes a fuel storage tank for storing fuel in a vehicle, a vapor collection canister located within the fuel storage tank, a vent actuator coupled to the vapor collection canister for venting gas from the canister during a vent operation, and a purge actuator is coupled to the vapor collection canister for purging fuel vapor from the vapor collection canister during a purge operation. A variable speed fuel pump is disposed within the fuel storage tank for delivering fuel to a fuel delivery line for an engine. The fuel management system has a controller provided in a module disposed in communication with the fuel for controlling the amount of fuel pumped with the variable speed fuel pump to deliver fuel to the fuel delivery line and further controlling the purge and vent actuators.

Abstract: An improved fuel cap and filler tube assembly for a fuel tank is provided. A spring-biased resilient and compressible closure member in the fuel cap seats inside an inlet opening of the filler tube when the fuel cap is secured to the filler tube. The filler tube includes an anti-siphon elbow.

Abstract: The invention concerns a device wherein the diffusion chamber (6) comprises, between its upstream end and its downstream end, in the direction of the fluid flow, at least an insert (12) formed by an annular ring having an external diameter identical to the internal diameter of the chamber, said annular ring being arranged perpendicular to the axis of the supply conduit and projecting towards the inside part of the chamber from the side wall(s) thereof, to form a lateral obstacle to the fluid flow, the solid surface of the insert (12) being sufficient to generate in the upstream part of the chamber a pressure higher than that of the downstream part.

Abstract: One embodiment of an anti-siphon fuel filler assembly includes a tube having a first end region adapted to be positioned in a fuel tank for allowing fuel to flow therethrough into said tank, the first end region including a first crimp and a second crimp, and a restriction structure positioned in the tube between the first crimp and the second crimp, the restriction structure including apertures sized for allowing fuel to flow therethrough while preventing the insertion of a siphon hose into the tank.

Abstract: A fuel filling system is disclosed for dispensing two fluids to a vehicle, which ensures that a reductant tank is filled during dispensing of fuel.

Abstract: A fuel tank (1) possesses, for the introduction of fuel, a filler pipe (5) which is led through an orifice (6) of the fuel tank (1) with all-round clearance. The orifice (6) is sealingly closed by means of a sleeve (4) bearing against the fuel tank (1) and against the filler pipe (5). The orifice (6) can thereby be made relatively large, so that it can be additionally used also as a service or assembly orifice after the sleeve (4) has been removed. The number of orifices necessary on the fuel tank (1) can be reduced as a result, so that both the maximum filling quantity and the permeation tightness can be increased.

Abstract: A filler device has a filler neck (23) and a closure cap (1) which has an engagement segment (4). The engagement segment (4) and filler neck (23) have complementary engagement elements (7, 8, 25, 26), for example in order to form a threaded or bayonet connection. They can be brought, by movement of the closure cap (1) with respect to the filler neck (23), from an initial position without engagement via an engagement path subsequent thereto into a final position, and vice versa. A locking device (13, 14) which prevents the closure cap (1) from falling off by itself is arranged and configured so that it generates an elevated resistance to movement in a specific movement region of the closure cap (1). The locking device (13, 14) is arranged in such a way that it is effective at a distance from the final position.

Abstract: A motor vehicle fuel fill pipe shut-off device includes a fuel shut-off valve normally closed relative to a valve seat and disposed in a path of fuel flow through the fuel fill pipe of the motor vehicle to a fuel tank thereof.