Abstract: The present invention provides a suspension device for an electric pump of an assembly for drawing fuel in a motor vehicle, the device comprising: an outer support suitable for surrounding the electric pump, centered on an axis parallel to the axis of the electric pump, and adapted to be secured to the fuel-drawing assembly; and at least one resilient arm connected to the inside periphery of said outer support, which resilient arm extends essentially in a plane that is transverse to the axis of said outer support and possesses a shape such as to rest at least substantially tangentially against the body of the electric pump over a fraction of its length in order to support it at a distance from the outer support.

Abstract: A fuel pump module adapted for mounting within a fuel tank and including an inlet, an outlet downstream of the inlet, and a fuel pump downstream of the inlet and upstream of the outlet. A fuel filter chamber is downstream of the fuel pump and includes a fuel filter disposed therein having an upstream side and a downstream side. A filter drain conduit is in fluid communication with the fuel filter chamber at the upstream side of the fuel filter and extends externally of the fuel pump module and fuel tank. The filter drain conduit may be in fluid communication with the filter chamber substantially at a lower portion of the fuel filter, and may include a valve located externally of the fuel tank. A heating device may be provided in the fuel filter and a recirculation device may be provided in the drain conduit.

Abstract: A fuel pump module and carbon canister assembly adapted for mounting within a fuel tank. A fuel pump module has a flange and a body carried by the flange. A carbon canister is attached to the body of the fuel pump module and is adapted for an inclined orientation with respect to the flange of the fuel pump module. The fuel tank may include a bottom and a top having an opening through which the fuel pump module and carbon canister assembly may be inserted. The carbon canister may be adapted for resting on the bottom of the fuel tank once inserted therein.

Abstract: The invention concerns a drawing and gauging device for a motor vehicle fuel tank, characterised in that it comprises two support assemblies (100, 200) mobile relative to each other when the device is being installed on site for use in the motor vehicle and an arm (450) pivotally mounted on one of the support assemblies bearing a gauging transducer (400), the arm (450) being maintained in retracted position, when stored, by the other element (200), such that the arm (450) is automatically unfolded when the device is installed.

Abstract: The invention provides an on-board fuel feed system for a motor vehicle, including a fuel tank and device for introducing additive into the fuel, the device comprising an additive tank and pumping device for pumping the additive to direct it to an introduction point for introducing the additive into the fuel, wherein the additive tank is housed inside the fuel tank.

Abstract: A system for coupling the end of a fuel feed hose with the opening of feed equipment placed inside a motor vehicle fuel tank. The end of the hose and opening have resiliently snap-fastening complementary locking mechanisms provided with an elastically-deformable tongue which can be moved to perform unlocking. The tongue is positioned in such a manner that when equipment is mounted inside the tank, it comes into contact or nearly into contact with a wall zone of the tank in such a manner that unlocking the coupling system is not possible.

Abstract: The invention provides a piezoelectric liquid gauge system in particular for a motor vehicle fuel tank, the system comprising piezoelectric means suitable for transmitting a sound wave in a liquid and for detecting said wave in order to determine the distance traveled by the wave in the liquid on the basis of the time between transmission and reception, said piezoelectric means comprising two distinct active piezoelectric portions suitable respectively for directing a sound wave towards a reference obstacle and a sound wave towards the surface of the liquid to be gauged, the system being wherein the pellet is contained in a housing suitable for being fixed in position in the tank in which measurement is to be performed, the reference obstacle extending over a face of the housing which faces one of the active portions, said face also having a measurement opening placed facing the other active portion and suitable for allowing the measurement sound waves to pass through.

Abstract: The invention provides a jet pump comprising a housing containing a nozzle into which an injected fluid is introduced, the housing also possessing a suction orifice, the pump comprising, upstream from the outlet of the nozzle, an auxiliary chamber associated with two sealing elements, each sealing element being adapted to open when the pressure of the injected fluid exceeds a predetermined level, the first sealing element opening at a first pressure level, the second sealing element opening at a second pressure level greater than or equal to the first.

Abstract: A device for drawing fuel for a motor vehicle tank, the device comprising a drawing pump (100) and a fine filter (210) placed upstream from the pump (100), and wherein: the housing (200) of the filter possesses a degassing orifice (222) in the top portion thereof; the drawing pump (100) also possesses a degassing orifice (130); and the filter housing (200) is fitted with a duct (224) which extends the degassing orifice (222) of the housing (200), opens out into a cavity (220) common to the degassing orifice of the pump (100), and possesses a mouth (227) situated at a height that is equal to or lower than that of the degassing orifice (130) of the pump (100), said duct (224) being shaped so as to constitute a siphon suitable for conveying fuel around the mouth (227) to the inside of the filter housing (200) while the drawing pump (100) is being stopped.

Abstract: The invention provides a piezoelectric liquid gauge system in particular for a motor vehicle fuel tank, the system comprising piezoelectric means suitable for transmitting a sound wave in a liquid and for detecting said wave in order to determine the distance traveled by the wave in the liquid on the basis of the time between transmission and reception, said piezoelectric means comprising two distinct active piezoelectric portions suitable respectively for directing a sound wave towards a reference obstacle and a sound wave towards the surface of the liquid to be gauged, the system being wherein the pellet is contained in a housing suitable for being fixed in position in the tank in which measurement is to be performed, the reference obstacle extending over a face of the housing which faces one of the active portions, said face also having a measurement opening placed facing the other active portion and suitable for allowing the measurement sound waves to pass through.

Abstract: The invention provides a system for feeding fuel additive on board a motor vehicle, the system comprising an additive tank and a metering pump suitable for sucking in a controlled quantity of additive from said tank, under the control of control means in order to deliver said quantity into the fuel of said vehicle. The system is remarkable in that said metering pump is integrated in a fuel-drawing module placed inside a fuel tank of the vehicle. This saves space. The invention is applicable to the automotive industry.

Abstract: The invention concerns a motor vehicle fuel drawing assembly comprising a housing (200) having a ring-shaped chamber (220) and a filter (100) arranged in said ring-shaped chamber. The invention is characterised in that it comprises at least a plastic annular lip (126, 136), cast in one single piece linked to the housing (200) or to the filter (100), made of a material capable of being elastically deformed, and shaped along an oblique direction relatively to the axis O-O of the filter (100) and the housing chamber (220), such that said lip (126, 136) is urged to rest, with elastic deformation, and along a direction with tangential components by its free end (127, 137), against the surface opposite (286, 296), the other surface of the filter (100) or of the housing (200) arranged substantially transversely to the axis (O-O) of the filter (100) of the housing (200) chamber (220) to ensure tightness at that level between the filter (100) and the housing (200).

Abstract: The invention concerns a device for measuring liquid level, comprising a detection set (Si) including two piezoelectric cells (10, 12) associated with control means for transmitting ultrasonic waves respectively opposite a reference reflector (16), located at a known distance (D) from the associated cell, and from the top surface (14) of the liquid, and processing means for determining the level of liquid by operating on the respective propagation times of the ultrasounds emitted by each of the two cells (10, 12). The invention is characterised in that it comprises means for defining, after the device has been charged, an initialising phase (1100, 1100 bis) during which the control means control the piezoelectric cells (10, 12) such that the ratio between the excitation rate of the reference cell (12) and that of the level-measuring cell (10) is higher than the ratio between those same rates during the subsequent stabilised measuring phase (1300).

Abstract: The invention provides a jet pump comprising a housing containing a nozzle into which an injected fluid is introduced, the housing also possessing a suction orifice, the pump comprising, upstream from the outlet of the nozzle, an auxiliary chamber associated with two sealing elements, each sealing element being adapted to open when the pressure of the injected fluid exceeds a predetermined level, the first sealing element opening at a first pressure level, the second sealing element opening at a second pressure level greater than or equal to the first.

Abstract: The present invention relates to a fuel-drawing assembly for a motor vehicle tank, the assembly comprising a main pump (110) associated with a pressure regulator (170) and a reserve bowl (150) fed by a jet pump (160) and from which the main pump (110) draws fuel, the assembly being characterized by the fact that the jet pump (160) is integrated in the outlet from the pressure regulator (170), and that the jet pump and regulator (160 and 170) subassembly formed in this way is secured to a module (100) comprising the main pump (110) and the reserve bowl (150), a portion of the housing (171) for the pressure regulator (170) being integrated in the wall constituting the reserve bowl (150).

Abstract: The assembly comprises a module supported in the reservoir by side plate, with outlet to fuel tank, return inlet and electrical power socket. The module housing, with end cap, forms an intermediate reservoir for the liquid, which is collected there by the venturi pump activated by flow in the return line from the main tank when pressure in the outlet is exceeded. The main pump is horizontally mounted and preferably electrically-driven. The pump is secured in the holder with side engaging clips.

Abstract: The present invention relates to a pump device for a gas oil tank of a motor vehicle, the device comprising a pump (10) and a filtering strainer (20) placed at the intake of the pump (10), and being characterized by the fact that it includes a valve (100) disposed in a passage (22) formed through the strainer (20) so as to close said passage (22) in normal operation, the valve (100) being adapted to open automatically when the pressure difference between the outside of the strainer (20) and the inside thereof exceeds a threshold because of the strainer (20) becoming clogged.

Abstract: The present invention relates to a jet pump, in particular for transferring fuel in a motor vehicle fuel tank, the pump being characterized by the fact that it comprises a main nozzle (20) and a core (30) mounted to move relative to the outlet bore of the main nozzle (20) and downstream therefrom.

Abstract: The invention concerns a fuel drawing device for a motor vehicle tank comprising a housing (100) bearing a drawing pump (190) and a filter (180) arranged on the pump (190) outlet conduit, characterized in that the filter is ring-shaped and is arranged in a chamber radially external to the housing (100) and the pump (190) is arranged in the filter (180) central space.

Abstract: A fuel gauging system for a motor vehicle fuel tank, including a housing (100) supporting a resistive element (200), an arm (300) pivotally mounted on the housing (100) and comprising at least one cursor (350) engaging the resistive element (200), and a lever (400) provided with a float connected to the arm (300) for monitoring the movements thereof. The system includes a housing (100) and an arm (300) which comprise complementary rotational guides (120, 310) and structure (316, 317, 318, and 319) to enable translation of the arm (300) on the housing (100). The arm (300) is combined with an L-shaped lever (400) so that one of the sections (420) defines the pivot axis of the device.