EP2181010A1 - Dispositif pour col de remplissage d'un réservoir de véhicule - Google Patents

Dispositif pour col de remplissage d'un réservoir de véhicule

Info

Publication number
EP2181010A1
EP2181010A1 EP07825445A EP07825445A EP2181010A1 EP 2181010 A1 EP2181010 A1 EP 2181010A1 EP 07825445 A EP07825445 A EP 07825445A EP 07825445 A EP07825445 A EP 07825445A EP 2181010 A1 EP2181010 A1 EP 2181010A1
Authority
EP
European Patent Office
Prior art keywords
filler neck
failsafe
arrangement according
carrier
failsafe means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07825445A
Other languages
German (de)
English (en)
Inventor
François PETTORELLI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault Trucks SAS
Original Assignee
Renault Trucks SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renault Trucks SAS filed Critical Renault Trucks SAS
Publication of EP2181010A1 publication Critical patent/EP2181010A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
    • B60K2015/03348—Arrangements or special measures related to fuel tanks or fuel handling for supplying additives to fuel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K2015/0458—Details of the tank inlet
    • B60K2015/0483—Means to inhibit the introduction of too small or too big filler nozzles

Definitions

  • the present invention relates to an arrangement for a filler neck of a liquid tank.
  • Road vehicles are equipped with a fuel tank.
  • the fuel tank On industrial vehicles such as trucks, the fuel tank is often located on the side of the chassis frame.
  • Mounting brackets are attached to the chassis frame and the substantially parallelepiped fuel tank rests on the said brackets while straps surround the fuel tank and secure the fuel tank onto the chassis frame.
  • a fuel tank can be fitted on each side of the chassis frame.
  • the fuel tank is provided with an inlet port that is closed by a fuel tank cap.
  • the fuel inlet port is located on the top face of the fuel tank and generally adjacent to the external face of the fuel tank.
  • the fuel tank is often covered with a fairing.
  • the fairing can suitably be provided with an access hatch.
  • the clearance between the top face of the fuel tank and the truck body can be very tight. This is especially true for vehicles having so called low body or very low body.
  • road vehicles and especially freight trucks can be further equipped with a further tank for an additive liquid.
  • diesel powered vehicles can be fitted with an SCR (Selective Catalytic Reduction) catalytic converter.
  • Urea stored in a separate tank is sprayed into the exhaust gas prior to undergoing a depollution treatment in the SCR catalytic converter.
  • urea is the essential agent in the depollution treatment
  • petrol stations are equipped with an infrastructure to store and dispense urea.
  • Urea is dispensed by a specific filler nozzle that cooperates with a specific refilling system. It is of the utmost importance that only urea is introduced into the urea tank and that urea is not accidentally put into the fuel tank.
  • the urea tank is located next to the fuel tank using mounting brackets similar to those supporting the fuel tank, secured onto the vehicle chassis frame. There is therefore a possibility of accidentally filling a tank with an inappropriate liquid.
  • the urea dispenser nozzle is equipped with a magnetic switch that interacts with a magnetic ring which is found inside the urea tank refilling system.
  • the magnet switch prevents misfilling as the magnet switch is not activated.
  • the insertion of a fuel dispenser nozzle into the urea tank is prevented by providing the urea tank refilling system with a small inlet diameter and in any case smaller than the diameter of the fuel filling nozzle.
  • the urea tank refilling system has therefore a specific design that is matched by a specific urea dispenser nozzle. A consequence is that the urea dispenser nozzle demands more clearance to fit in a refilling neck than a fuel refilling nozzle.
  • failsafe means having a magnetic interface which, to be operative requires the smallest possible radial clearance between a first magnetic element embedded in the filler neck and a second magnetic element that is carried by the liquid dispensing nozzle.
  • the limited radial clearance combined with the length of the magnetic interface therefore does not authorise a misalignment of the liquid dispensing nozzle of more than a few degrees.
  • the difference between the external diameter of the external diameter of a urea dispensing nozzle and the internal diameter of a matching magnetic failsafe means is less than 2 mm and preferably less than 0.5 mm.
  • the available space between the top surface of the urea tank and the truck body can be very limited; this means that the usual clearance between a fuel tank and a vehicle body can prove to be insufficient to permit access of a urea refilling nozzle to a urea tank refilling system.
  • the present invention regards an arrangement for a filler neck of a liquid tank positioned on a motor vehicle, the said filler neck having a longitudinal axis and incorporating a failsafe means having a geometric and/or functional interface capable of cooperating with a liquid dispensing nozzle having a compatible geometric and/or functional interface; the said arrangement further includes means for attaching the failsafe means onto the filler neck authorizing at least one degree of freedom of the said failsafe means relative to the filler neck.
  • the refilling arrangement according to the invention allows a degree of freedom of the failsafe means that are inserted within the filler neck of the liquid tank.
  • the liquid dispensing nozzle is introduced into the filler neck according to an inserting angle that is set by the failsafe means.
  • the insertion of the liquid dispensing nozzle into the failsafe means can occur with at least one degree of freedom; with the invention, the failsafe means can have at least an angular tilt within the filler neck so as to allow the liquid dispensing nozzle to enter the failsafe means with at least one degree of adjustment. This can prove useful for positioning the liquid dispensing nozzle in the liquid tank environment that usually provides little space.
  • the means for attaching the failsafe means onto the filler neck authorizes at least one rotation of the said failsafe means around at least one axis of rotation perpendicular to the axis of the filler neck. It can be noted that it is important to ensure that the failsafe means can rotate at least within a vertical plane of the fuel tank; since the liquid tank filler neck is located on the top surface of the liquid tank, since the free space between the top surface of the fuel tank and a vehicular structural component such as a vehicle body can be limited and since the liquid dispensing nozzle equipped with an interface compatible with the interface of the failsafe means can be bulky, the complete introduction of the liquid dispensing nozzle into the failsafe means is made possible by the degree of freedom that is afforded to the failsafe means.
  • the rotation that is afforded to the failsafe means in the arrangement according to the invention makes it possible to adjust the inserting angle according to which the liquid dispensing nozzle is introduced into the neck filler.
  • the axis of rotation of the failsafe means is parallel to the vehicle longitudinal axis.
  • the failsafe means are able to tilt within a vertical plane and within a plane that is perpendicular to the vehicle.
  • the filler neck is positioned on the top surface of the liquid tank. The free space between the top surface of the liquid tank and a vehicle body can be tight.
  • a user holding the liquid dispensing nozzle to refill the liquid tank has therefore to insert the liquid dispensing nozzle in the neck filler and engage the geometrical and/or functional interface of the liquid dispensing nozzle into the geometric and/or functional interface of the failsafe means to authorize the flow of liquid.
  • the user can be hampered in the action of introducing the liquid dispensing nozzle into the filler neck and into the proof fooling means by the lack of space above the liquid tank and by a liquid tank fairing to a point where the nozzle cannot be fully inserted into the failsafe means and therefore the liquid cannot be delivered in the liquid tank.
  • the refilling system of the invention should at least offer an angular displacement within a plan that is vertical and perpendicular to the vehicle axis as an angular adjustment within this plan is the most appropriate as angularly adjusting the position of the liquid dispensing nozzle is the most obvious and intuitive adjustment for the user and, for most industrial vehicles, an angular adjustment according to this plan makes it possible to insert the liquid dispensing nozzle firstly in the filler neck and secondly in the failsafe means.
  • the means for attachment can include a carrier capable of at least one degree of freedom relative the filler neck onto which the failsafe means are connected.
  • the carrier can include a spherical portion capable of rotating relative to the filler neck.
  • the filling arrangement according to the invention can receive the liquid dispensing nozzle whatever the inserting angle might be.
  • the filling arrangement in this embodiment proves to be very tolerant with regard to the inserting angle of the liquid dispensing nozzle.
  • the carrier can seat on an inwardly pointing annular rib provided in the neck filler and on a retaining ring that is axially secured into the filler neck. This allows the carrier to rotate within the neck filler while axially maintaining within the filler neck the carrier and the failsafe means that are onboard the carrier.
  • the retaining ring includes a cylindrical portion that in engaged in a tight fit way on the internal surface of the filler neck and a hemi toroidal portion whereon the carrier seats.
  • the carrier can include a conical portion whereon rests a conical portion provided on the failsafe means.
  • an elastic carrier is interposed between the internal surface of the filler neck and the failsafe means.
  • the failsafe means can angularly adjust its position according to the inserting angle of the liquid dispensing nozzle.
  • the elastic carrier can have a tapered cross section pointing towards the failsafe means to provide more flexibility towards the failsafe means.
  • the failsafe means can be comprised of a sleeve having a specific geometry and that incorporates a functional interface.
  • a liquid nozzle In order to match the failsafe means that are engaged within the filler neck, a liquid nozzle has therefore to match the geometry of the failsafe means and has to be with a functional interface that matches the functional interface of the failsafe means.
  • the functional interface can for example be of the magnetic type; thus a magnetic ring can be interposed between the internal part and the internal part.
  • the sleeve can be comprised of an external and an internal concentric parts between which the functional interface is interposed.
  • the sleeve can jut out of the carrier so as to limit the angular displacement of the carrier.
  • the disposition proves useful insofar as it maintains the upper aperture of failsafe means pointing towards the upper aperture of the filler neck.
  • the carrier can rotate within a cone having an included angle of around 10° to 15°.
  • Fig. 1 is a longitudinal section of an arrangement according to a first embodiment of the invention in a non refilling position
  • Fig. 2 is a longitudinal section of the arrangement of Fig 1 in a refilling position
  • Fig. 3 is a longitudinal section of an arrangement according to another embodiment of the invention
  • Fig. 4 depicts a tank equipped with a liquid refilling system according to Figs 1-2 or according to Fig. 3.
  • Fig 4 shows the environment within a vehicular XYZ frame that surrounds a liquid tank 20 that can, for example, be filled with urea.
  • the urea tank 20 is located next to a vehicle fuel tank using mounting brackets 21 similar to those supporting the fuel tank, secured onto the vehicle chassis frame 22.
  • a filler neck 2 is inserted in the liquid tank 20.
  • the filler neck 2 of a liquid tank 20 is comprised of a portion of cylindrical pipe.
  • the filler neck 2 is, for example, at least partially inserted into the liquid tank 20; the dotted line 3 of Fig.
  • the filler neck 2 divides the filler neck 2 into an upper part which includes an upper aperture that emerges from the liquid tank 20 and the lower part that includes a lower aperture that is enclosed within the liquid tank 20.
  • the upper part of the filler neck 2 is provided with means for attachment for a tank cap (not shown on the drawing).
  • the filler neck 2 can suitably be provided with two or more ramps 4 on which two or more bayonets provided in the tank cap can be locked.
  • An arrangement 1 is located in the filler neck 2; the arrangement 1 is comprised of a failsafe means and of a means for attachment of the said failsafe means onto the internal surface of the filler neck 2.
  • the failsafe means is comprised of a hollow cylindrical sleeve 6 that has a specific geometry and which fulfils a specific function.
  • the internal geometry of the sleeve 6 is such that a liquid dispensing nozzle 230 having a matching geometry can be inserted in the sleeve 6.
  • a specific liquid dispensing nozzle based on a specific geometry is required to fill up the tank.
  • the sleeve 6 carries a magnetic ring 7.
  • the sleeve 6 can be made of two concentric parts i.e. an internal part 8 and an external part 9 that fit into each other.
  • the magnetic ring 7 is interposed between the said internal and external part that form the sleeve 6.
  • the part of the sleeve 6 that points outwards from the liquid tank 20 can suitably be provided with a chamfer to facilitate the introduction of the nozzle in the sleeve 6.
  • the external part 9 of the sleeve 6 can be provided with a conical portion as depicted on Fig. 1. According to the invention, the sleeve 6 is secured onto the filler neck 2 by means for attachment that allows at least one degree of freedom relative to the said sleeve 6.
  • the degree of freedom that is granted to the failsafe means is rotation.
  • the sleeve 6 is inserted into a carrier 10 that is provided with an external spherical portion.
  • the carrier 10 includes an internal conical surface whereon the conical portion of the sleeve 6 is engaged.
  • the filler neck 2 is provided with an inward annular rib 12 and a retaining ring 13 is inserted into the filler neck 2.
  • the retaining ring 13 is engaged within the filler neck 2 in a tight fit way.
  • the retaining ring 13 can suitably include a cylindrical portion 13a and hemi toroidal portion 13b; the spherical portion of the carrier 10 rests onto the annular rib 12 and onto the retaining ring 13.
  • the rib 12 and the retaining ring 13 are spaced apart along the filler neck axis A and that the widest diameter of the spherical portion of the carrier 10 is placed between the rib 12 and the annular ring 13 so as to block the carrier 10 in two axial and radial directions in the filler neck 2.
  • the carrier 10 is thus unable to have any translation displacement with regard to the filler neck 2 but can rotate on the annular rib 12 provided in the filler neck 2 and on the hemi toroidal portion of the retaining ring. Rotation of the carrier 10 within the filler neck 2 is however limited by the part of the sleeve 6 pointing towards the tank.
  • the sleeve 6 juts out of the carrier 10 towards the tank; the part of the sleeve 6 that emerges from the carrier 10 works as a stop that limits the angular displacement of the carrier 10.
  • the carrier can rotate within a cone having an included angle ⁇ of around 10° to 15°.
  • a user can refill the fuel tank and can refill other liquid tanks such as, for example, a urea tank 20 in the case of vehicles fitted with a SCR exhaust treatment system.
  • the space that surrounds the liquid tank 20 where urea can be stocked can be extremely limited.
  • the arrangement according to the invention proves to be particularly useful.
  • the refilling operation of the liquid tank 20 occurs as follows.
  • a user holding a liquid dispensing nozzle 23, moves the liquid dispensing nozzle 23 closer to the filler neck 2 and inserts the tip of the liquid dispensing nozzle 23 into the filler neck 2.
  • the said liquid dispensing nozzle 23 reaches the failsafe means; in the illustrated embodiment of the invention are comprised of a sleeve 6 having a diameter that matches the diameter of the liquid dispensing nozzle 23 and that incorporate a magnetic ring 7. The liquid dispensing nozzle 23 is then inserted into the sleeve 6.
  • the failsafe sleeve 6 can tilt and can receive the liquid dispensing nozzle 23.
  • Fig 2 shows the failsafe sleeve 6 in a tilted position. It is important to point out that the radial clearance between the liquid dispensing nozzle 23 and the sleeve 6 is very limited to ensure that the magnetic switch that is onboard the liquid dispensing nozzle 23 does interact with the magnetic ring 7. The liquid dispensing nozzle 23 can therefore fully enter the failsafe sleeve 6 up to a point where the magnet switch that is onboard the liquid dispensing nozzle 23 interacts with the magnet ring of failsafe sleeve 6.
  • Fig. 3 shows another embodiment of the invention wherein the means for attachment that connects the failsafe sleeve 6 to the internal surface of the filler neck 2 is comprised of an elastic carrier 15.
  • the elastic carrier 15 can be made at least partly of rubber or of any other elastomeric material that is compatible with the liquid stored in the tank.
  • the filler neck 2 can be provided with two inward pointing annular ribs 12; the elastic ring 15 can, for example, be glued onto the internal surface of the filler neck 2 between the said two annular rings.
  • the failsafe sleeve 6 can be similar to the failsafe sleeve 6 of Figs. 1 and 2 or can have different details provided it includes the geometrical and functional interface that is compatible with the liquid dispensing nozzle 23.
  • the degree of freedom of the failsafe sleeve 6 is granted by the elastic ring 15.
  • the failsafe means can rotate around different axis; these embodiments of the invention are therefore very tolerant vis-a-vis the entering angle of the liquid dispensing nozzle 23 in the filler neck 2.
  • the failsafe means can move according to a single rotation about an axis that is parallel to the vehicle longitudinal axis X.
  • the liquid tank 20 is secured onto the chassis frame and the filler neck emerges laterally from the liquid tank 20. Therefore, a user tends to introduce the liquid dispensing nozzle 23 perpendicularly to the liquid tank 20 as illustrated on Fig. 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne un dispositif pour col de remplissage (2) d'un réservoir de liquide (20) placé dans un véhicule à moteur, ledit col de remplissage (2) ayant un axe longitudinal (A) et incorporant des moyens à sécurité intégrée ayant une interface géométrique et/ou fonctionnelle capable de coopérer avec une buse de distribution de liquide (23) ayant une interface géométrique et/ou fonctionnelle compatible, ledit dispositif comprenant en outre des moyens pour fixer les moyens à sécurité intégrée sur le col de remplissage (2), autorisant au moins un degré de liberté desdits moyens à sécurité intégrée par rapport au col de remplissage (2). Par conséquent, les moyens à sécurité intégrée peuvent avoir au moins une inclinaison angulaire à l'intérieur du col de remplissage de façon à permettre à la buse de distribution de liquide d'entrer dans les moyens à sécurité intégrée avec au moins un degré de réglage. Ceci peut s'avérer utile pour placer la buse de distribution de liquide dans l'espace du réservoir de liquide qui est habituellement assez petit.
EP07825445A 2007-07-23 2007-07-23 Dispositif pour col de remplissage d'un réservoir de véhicule Withdrawn EP2181010A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2007/003147 WO2009013558A1 (fr) 2007-07-23 2007-07-23 Dispositif pour col de remplissage d'un réservoir de véhicule

Publications (1)

Publication Number Publication Date
EP2181010A1 true EP2181010A1 (fr) 2010-05-05

Family

ID=39277129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07825445A Withdrawn EP2181010A1 (fr) 2007-07-23 2007-07-23 Dispositif pour col de remplissage d'un réservoir de véhicule

Country Status (2)

Country Link
EP (1) EP2181010A1 (fr)
WO (1) WO2009013558A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029362A1 (de) 2009-09-11 2011-03-24 Erhard & Söhne GmbH Behaelter zur Aufnahme eines Kraft- und/oder Betriebsstoffes fuer Fahrzeuge
EP2316685A1 (fr) 2009-10-21 2011-05-04 Inergy Automotive Systems Research (Société Anonyme) Système de remplissage amélioré pour conteneur fluide véhiculaire
DE202010016319U1 (de) * 2010-12-04 2012-03-19 Reutter Gmbh Einsatz für einen Einfüllstutzen eines Harnstoffbehälters
DE102012016084A1 (de) * 2012-08-14 2014-05-15 Illinois Tool Works Inc. Führungseinrichtung für eine Kraftstoffzapfpistole
EP2900510A4 (fr) * 2012-09-25 2016-06-08 Volvo Constr Equip Ab Agencement, procédé et programme informatique pour commander le remplissage d'un réservoir
WO2014172087A1 (fr) * 2013-04-16 2014-10-23 Illinois Tool Works Inc. Système anti-insertion de pistolet de distribution de carburant incorrect
US9815365B2 (en) 2013-11-29 2017-11-14 Volvo Truck Corporation Filler neck assembly and a liquid tank equipped with such a filler neck assembly
DE102016221504A1 (de) * 2016-11-02 2018-05-03 Bayerische Motoren Werke Aktiengesellschaft Anordnung zum Einfüllen einer Flüssigkeit in einen Tank

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Publication number Priority date Publication date Assignee Title
FR2609670B1 (fr) * 1987-01-19 1989-05-12 Peugeot Embout d'un conduit de remplissage d'un reservoir de carburant d'un vehicule automobile
JP2002370552A (ja) * 2001-06-13 2002-12-24 Om Kogyo Kk 燃料給油管
AT7933U1 (de) * 2004-07-16 2005-11-15 Tesma Motoren Getriebetechnik Füllrohr für den treibstofftank eines kraftfahrzeuges mit selektiver öffnung
DE202005011575U1 (de) * 2005-07-13 2006-11-23 Reutter Metallwarenfabrik Gmbh Einfüllstutzen für einen Behälter

Non-Patent Citations (1)

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Title
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