EP2281774A1 - Dispositif de remplissage d'un récipient avec un liquide - Google Patents

Dispositif de remplissage d'un récipient avec un liquide Download PDF

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Publication number
EP2281774A1
EP2281774A1 EP10169423A EP10169423A EP2281774A1 EP 2281774 A1 EP2281774 A1 EP 2281774A1 EP 10169423 A EP10169423 A EP 10169423A EP 10169423 A EP10169423 A EP 10169423A EP 2281774 A1 EP2281774 A1 EP 2281774A1
Authority
EP
European Patent Office
Prior art keywords
filling
tube
centering
sensor
liquid
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Withdrawn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
EP10169423A
Other languages
German (de)
English (en)
Inventor
Peter Apel
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.)
Apel Helga
Original Assignee
Apel Helga
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
Priority claimed from DE202009009646U external-priority patent/DE202009009646U1/de
Application filed by Apel Helga filed Critical Apel Helga
Publication of EP2281774A1 publication Critical patent/EP2281774A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/425—Filling nozzles including components powered by electricity or light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • B67D7/46—Filling nozzles automatically closing when liquid in container to be filled reaches a predetermined level
    • B67D7/465—Electrical probes sensing the level of the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour

Definitions

  • the invention relates to a device for filling a container with a liquid, in particular urea solution.
  • the tank in question must be refilled regularly. It should be noted, however, that the urea solution used is a chemically quite aggressive substance, so that a safe and clean filling should be guaranteed.
  • the device according to the invention is provided to fill a container, namely, in particular, a tank of a passenger vehicle, which has a connection piece element, with a liquid, namely in particular with urea solution.
  • the device according to the invention has a connecting hollow body, a filling and venting element arranged therein with a filling tube and a centering tube and a valve element provided at the tip of the filling tube.
  • the filling tube serves to supply the liquid, preferably at its tip exit.
  • the operation of the valve element is such that it opens at sufficient flow pressure of the liquid in the filling tube, but is closed when falling below a pressure threshold, that has the function of a check valve.
  • the valve element may, for example, be designed as a ball check valve with a spring-loaded ball.
  • the valve may be replaceable provided, for example. With a screw thread.
  • the pressure threshold that is, the filling pressure necessary to open the valve can be adjustable up to, for example, 3.0 bar.
  • the check valve By the check valve, and in particular by its arrangement at the top of the filling tube, defined states are ensured when filling the container.
  • the intended filling takes place.
  • the valve closes, so that after-running or dripping is prevented, regardless of the position of the filling tube. It can thus be ensured that the volume of the filling tube is always filled with the liquid and it does not come to a void volume. Due to the arrangement of the valve at the tip of the filling tube, the trailing volume, i. H. the volume of liquid remaining after the filling process has been reduced to a minimum.
  • a liquid-tight filling between the filling device, in particular the filling nozzle collar and the connecting piece element is preferred. This ensures that the liquid, in particular urea solution, can not escape to the outside.
  • the filling with the liquid on the one hand and the discharge of air displaced from the container during the filling process on the other hand is ensured by the filling and venting element, which can be designed, for example, as a filling and venting hollow body element.
  • the connecting hollow body can be arranged to be rotatable about the filling and venting element and a thread or a lock (for example, bayonet closure) can be provided on the filler neck collar for connection to the connecting piece element.
  • a thread or a lock for example, bayonet closure
  • the filling and venting element With the filling and venting element, at least one level sensor in the connection hollow body are arranged, which can be led out at least partially with a filling length of the filling nozzle element.
  • the level sensor detects whether the container is already filled. By means of a corresponding sensor length, it and the filling and venting element can project at least partially into the connecting piece and thus enable the liquid level to be detected before reaching the upper edge of the connecting piece element.
  • the sensor length can be, for example, 5-500 mm.
  • the fill level sensor is preferably a liquid sensor which emits an electrical sensor signal when wetted with liquid.
  • the fill level sensor can be, for example, an optical measuring element and / or a conductive measuring element. Particularly preferably, it is a heated liquid sensor in which the cooling by contact with the liquid triggers the sensor signal. For example. a heated PTC or NTC element can be used here.
  • the level sensor can be guided to the end of the centering tube.
  • the fill level sensor can have a plug system as an electrical connection. This makes it possible to electrically disconnect the level sensor during disassembly of the device.
  • the filling and venting element has a centering tube and arranged therein a filling tube.
  • the centering tube then serves to center the filling tube, which can be done, for example, with filling tube rib elements arranged between the tubes and / or with an end cap. Between the centering tube and the filling tube remains a gap through which the venting during filling is possible.
  • the end of the filling tube protrudes further from the Grestutzenkragen than the end of the Zentrierrohres, that extends deeper into the connection piece, so that the displaced air in the upper, liquid-free area enter the centering tube and can be vented from there, without liquid entering the venting path.
  • the centering tube except the opening at the end has at least one venting recess, preferably a plurality of venting recesses, which are spaced from each other.
  • You can around the circumference of the pipe around be distributed and, for example, rectangular, round, oval or formed in other shapes.
  • they can be arranged in rows parallel to the longitudinal axis of the centering tube, wherein a plurality of these rows can be distributed side by side on the circumference. This ensures that even with a liquid level that already extends to the top of the centering tube and beyond, there is no suction of the liquid through the vent paths, but still a vent on the higher-lying vent recesses is possible.
  • the level sensor is arranged between the filling tube and the centering tube and there particularly preferably is guided to the top of the centering tube. It is further preferred that for this purpose a stop on the filling tube or on the centering tube is provided, up to which the preferably elongated, for example. Rod-shaped level sensor is advanced during assembly and positioned in line with the stop.
  • a closure cap is provided on the centering tube or on the filling tube, which may be formed as a separate part or integrally with the centering tube or the filling tube.
  • the end cap preferably has a recess through which the filling tube is centered.
  • a defined, fixed arrangement of the filling tube within the centering tube is possible.
  • in the end cap of the level sensor is held, for example.
  • the filling level sensor within the recess has a small distance of, for example, at least 0.1 mm, that is, it does not lie directly against it.
  • a splash guard is also provided, preferably in the region of the end of the filling tube.
  • the splash guard should serve to prevent the liquid from spattering onto the areas of the filling device behind the splash guard, in particular the filling level sensor and / or the ventilation paths.
  • the splash guard may, for example, be provided on the filling tube or centering tube; According to a preferred embodiment, it is provided on the valve element, for example as a circulating common edge bridge. This avoids that during the filling process splashes of the liquid wet the level sensor and it comes to error detections.
  • a splash guard also provided on the filling tube stop web can be used for positioning the level sensor.
  • At least one splash guard labyrinth element can be arranged around the filling neck or filling hose. It may have ventilation holes.
  • vent body In the vent body several vent channels can be introduced. Their number and cross section determine the venting effect.
  • the level sensor can be maintained.
  • the robust venting body ensures an excellent grip for the sensor.
  • the vent body may have at least one hose connection pin for venting.
  • a hose can be attached to it in a liquid-tight manner.
  • At least one Verg cordausNeillung be introduced in a rear lid of the filling.
  • Verg mangniteausNeillung casting resin and / or a thermoplastic can be filled through which the individual components can be securely locked and sealed.
  • the led out of the filling nozzle element filling length of the Greelements can be bent, angled, multiple cranked formed.
  • a hollow connecting body can be bent, angled, repeatedly cranked.
  • the filling angle does not always contribute 90 °. Rather, it can be inclined from 30 °. Therefore, the terminal hollow body, the level sensor and the filling tube can at least partly made of an elastic material.
  • At least the elastic part of the filling tube may be held in spaced guide bodies.
  • the elastic part of the guide element may have bending regions between the guide bodies. As a result, all filling lines can be followed.
  • the terminal hollow body, the Zentrierrohrhalteelement, the centering tube, the filling tube, the lid member and the hose connection element may be made of plastic, metal or the like. It is particularly preferable to produce the filling tube and the centering tube from metal and therefore to provide a connecting hollow body made of plastic.
  • the filling tube and / or the centering tube can be formed in one piece or several pieces.
  • Fig. 1 shows a filler neck 14 and a front mounted filling device 10, which is connected via a connecting pipe 36 with a supply line (not shown).
  • the filling device 10 is a tank (not shown) on board a motor vehicle be filled. The filling takes place via the fuel tank connected to the socket 14, to which the filling device 10 is placed.
  • the filling device 10 has a rotatable connection hollow body 18, which tapers in the front to a filling nozzle collar 20 with an internal thread 22. From the Grestutzenkragen 20 protrudes a filling and venting element 24 by a length L.
  • the filling device 10 As in Fig. 4 shown mounted on the filler neck 14, wherein the protruding filling and venting element 24 is inserted into the tank neck 14.
  • the filling device 10 is then attached by screwing the Grestutzenkragens 20 sealingly on the filler neck 14. Subsequently, the urea solution is filled by the filling and venting element 24, the structure of which is explained in more detail below, and at the same time the air displaced thereby from the tank is removed.
  • a filling tube 26 is arranged, to which in the rear region of the filling device 10, a feed tube (or hose) 28 is mounted.
  • a valve element 30 is provided at the top of the filling tube 26, so that hereby the urea solution is passed to the tip of the filling tube 26, where it is discharged through the formed as a ball check valve member 30 at the front openings in the tank neck 14.
  • the front region of the filling tube 26 is in this case arranged within a centering tube 32 which has a number of elongate holes 34.
  • the centering tube 32 serves for guiding and centering the filling tube 26 and at the same time for venting, ie for discharging the displaced during the filling of urea solution from the tank air. This gets as in Fig. 4 indicated by the double-dotted / dashed line, through the holes 34 in the interior of the centering tube 32 and is there in the space between the centering tube 32 and the filling tube 26 arranged therein in the rear region of the filling device 10, where it is discharged through a arranged around the feed tube 28 vent tube 36.
  • Fig. 7 shows how the individual elements of the filling device 10 are composed substantially concentric.
  • the connecting tube 36 is attached to the rear with the concentrically disposed therein feed tube 28.
  • a Zentrierrohrhalteelement 40 is placed over the filling tube 26, in which the centering tube 32 is inserted so that the front part of the filling tube 26 extends in the interior of the centering tube 32.
  • the valve element 30 is screwed onto the tip of the filling tube 26.
  • the connecting hollow body 18 is finally slipped over the centering tube 32 and Zentrierrohrhalteelement 40 and held by a latching connection so that it is axially fixed but rotatably mounted.
  • an end cap 27 is provided, which may be formed integrally with the filling tube 26 or the centering tube 32, in the preferred example shown but is provided as a separate part made of plastic.
  • the end cap 27 has a central recess through which the filling tube 26 passes. Outwardly, the end cap 27 is supported, as from the magnification in Fig. 6 clearly visible on the centering tube 32 from. It thus centers the filling tube 26 accommodated in its central recess within the centering tube 32, so that the tubes are positioned relative to one another.
  • 32 may be provided between the filling tube 26 and the centering tube longitudinally extending rib members (not shown) supporting and centering the filling tube 26 within the centering tube 32, while leaving a gap for the venting in the longitudinal direction.
  • the rib elements come to lie between the arranged in rows holes 34 in the centering tube 32, so that they are not covered.
  • the filling device 10 has two sensors, with which the operation is monitored, namely a level sensor 42, with which it can be determined whether the liquid level the liquid filled in the filler neck 14 has already reached the filling and venting element 24 and a position sensor 44 with which it can be determined whether the filling device 10 is correctly connected to the filler neck 14.
  • the rod-shaped level sensor 42 is mounted within the centering tube 32 adjacent to the fill tube 26 and extends parallel thereto.
  • the actual sensor element is here in the top, which, as in Fig. 6 is shown in enlargement, arranged at the front of the filling and venting element 24, but covered with respect to the opening of the valve 30 by a splash guard 46.
  • the splash guard is formed as a circumferential ring on the housing of the valve 30.
  • the end of the sensor 42 is, as in the magnification in Fig. 6 represented centered in a recess of the end cap 27, so that a defined position of the sensor between the filling tube 26 and the centering tube 32 is ensured.
  • the sensor 42 is designed as a liquid sensor, in the illustrated preferred example as a heated PTC sensor.
  • the sensor element 42 is heated to an elevated temperature of, for example. 80 ° C and monitors the resistance of the PTC element. Upon contact with liquid, the temperature drops abruptly, whereby a change of the resistance value as a sensor output signal becomes measurable.
  • the sensor 42 is, for example, from Fig. 3 .
  • Fig. 4 can be seen, connected via an electrical cable 43, to which a plug device (not shown) may be provided.
  • the sensor element 42 is arranged such that the liquid level rising in the filler neck 14 at the end of the filling process reaches the sensor element 42 before it arrives at the upper edge of the filler neck 14 itself.
  • the filling process can be controlled by the sensor signal.
  • the arrangement of the sensor 42 above the filling opening in the valve 30 and by the additionally provided splash guard 46 prevents the sensor 42 from being wetted when filling liquid.
  • the in Fig. 5 shown in magnification position sensor 44 serves to determine the correct position of the filling device 10 on the filler neck 14.
  • the sensor 44 is an optical sensor with a superior light guide part 48.
  • the position sensor 44 is connected via a cable connection 45.
  • the filling device 10 is connected via the supply pipe 28 and the connecting pipe 36 or via corresponding hoses with a stationary refueling device (not shown), in which also an electrical control is provided, to which the sensors 42, 44 are connected via the cable connections 43, 45 are.
  • a tapping point for urea solution (not shown) is installed with a storage tank, a liquid pump and an electronic controller for this purpose.
  • the filler neck 14 is first opened, the filling device 10 connected via the pump to the storage tank is fitted and screwed by rotation of the connecting hollow body 10, so that, as in Fig. 4 shown, the filling and venting element 24 comes to rest inside the tank nozzle 14. Only when the signal is received from the position sensor 44, that the filler neck 14 in the correct position - and thus sealing - is connected to the filling device 10, the filling can start, for example. By pressing a release button or other control.
  • urea solution is then supplied via the supply pipe 28 to the filling pipe 26, the non-return valve 30 being opened by the pressure of the pumped solution.
  • the tank of the car is filled via the filler neck 14 (dotted line in Fig. 4 ).
  • the signal of the level sensor 42 is monitored.
  • the inflowing urea solution wets due to the splash guard 46 does not touch the sensor 40. But as soon as within the fuel nozzle 14, the liquid level rises so much that the sensor 42 is wetted, this is detected as a corresponding sensor signal, so that the control device switches off the pump and the Filling process so finished.
  • the separation of the filling device 10 from the filler neck 14 by unscrewing the connecting hollow body 18 is preferably carried out only after a dripping time.
  • the filling tube 26, the centering tube 34 and the valve element 30 are made of metal, here in particular stainless steel.
  • the remaining parts of the construction of the filling element 10, d. H. in particular the connecting hollow body 18 and the Zentrierrohrhalteelement 40 are made of plastic and are preferably produced by plastic injection molding.
  • the centering tube 32 and / or the filling tube 26 can be made of plastic.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP10169423A 2009-07-13 2010-07-13 Dispositif de remplissage d'un récipient avec un liquide Withdrawn EP2281774A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009009646U DE202009009646U1 (de) 2009-02-17 2009-07-13 Befüllstutzen zum Befüllen mit Harnstoff-Lösung
DE200920013012 DE202009013012U1 (de) 2009-09-28 2009-09-28 Harnstoffbefüllkopf

Publications (1)

Publication Number Publication Date
EP2281774A1 true EP2281774A1 (fr) 2011-02-09

Family

ID=43243697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10169423A Withdrawn EP2281774A1 (fr) 2009-07-13 2010-07-13 Dispositif de remplissage d'un récipient avec un liquide

Country Status (2)

Country Link
EP (1) EP2281774A1 (fr)
DE (1) DE202009013012U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2515025A1 (fr) 2011-04-19 2012-10-24 Walter Söhner Gmbh & Co. Kg Tête de remplissage destinée au remplissage d'un liquide dans un manchon de citerne
ITVR20120252A1 (it) * 2012-12-28 2014-06-29 Piusi Spa Apparecchiatura per il rifornimento di liquidi additivi antinquinamento per veicoli a motore diesel.
EP2927191A3 (fr) * 2012-02-28 2015-12-09 Walter Söhner Gmbh & Co. Kg Système et procédé de ravitaillement
ITUA20164425A1 (it) * 2016-06-16 2017-12-16 Piusi Spa Apparecchiatura per l'erogazione di soluzioni acquose di urea per il trattamento dei gas di scarico in veicoli a motore diesel.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1420358A (en) * 1973-03-05 1976-01-07 Bjoerklund Curt Arnold Valve
WO1988001601A1 (fr) * 1986-09-01 1988-03-10 Raolert Pty. Limited Ajutage distributeur
DE3710952C1 (en) * 1987-04-01 1988-07-28 Karlheinz Ehlers Automatic nozzle for the fuel-delivery hose of a service station petrol pump
EP0719728A1 (fr) * 1994-12-28 1996-07-03 Hoechst Aktiengesellschaft Pistolet de distribution de carburant
US5765609A (en) * 1992-12-07 1998-06-16 Dover Corporation Spout constructions for fuel dispensing nozzles and methods for making same
US20060283508A1 (en) * 2005-06-17 2006-12-21 1102167 Alberta Ltd. Storage tank filling device
DE102005052681A1 (de) * 2005-11-04 2007-05-10 Daimlerchrysler Ag Betriebsstoffversorgungssystem für eine Brennkraftmaschine und Befüllvorrichtung für eine Betankungsanlage
US7228870B1 (en) * 2002-12-02 2007-06-12 Sutera Janet M Fuel saving valve assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19535413C1 (de) 1995-09-23 1996-10-02 Rasmussen Gmbh Rohrartiger Stutzen
DE10164408A1 (de) 2001-12-28 2003-07-17 Degussa Flüssigkeits- oder dampfführendes System mit einer Fügezone aus einem coextrudierten Mehrschichtverbund
DE202004001186U1 (de) 2004-01-27 2005-06-09 Deutsche Bp Aktiengesellschaft Tankpistole
US7607459B2 (en) 2006-08-08 2009-10-27 Treen Jr John S Liquid dispenser nozzle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1420358A (en) * 1973-03-05 1976-01-07 Bjoerklund Curt Arnold Valve
WO1988001601A1 (fr) * 1986-09-01 1988-03-10 Raolert Pty. Limited Ajutage distributeur
DE3710952C1 (en) * 1987-04-01 1988-07-28 Karlheinz Ehlers Automatic nozzle for the fuel-delivery hose of a service station petrol pump
US5765609A (en) * 1992-12-07 1998-06-16 Dover Corporation Spout constructions for fuel dispensing nozzles and methods for making same
EP0719728A1 (fr) * 1994-12-28 1996-07-03 Hoechst Aktiengesellschaft Pistolet de distribution de carburant
US7228870B1 (en) * 2002-12-02 2007-06-12 Sutera Janet M Fuel saving valve assembly
US20060283508A1 (en) * 2005-06-17 2006-12-21 1102167 Alberta Ltd. Storage tank filling device
DE102005052681A1 (de) * 2005-11-04 2007-05-10 Daimlerchrysler Ag Betriebsstoffversorgungssystem für eine Brennkraftmaschine und Befüllvorrichtung für eine Betankungsanlage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2515025A1 (fr) 2011-04-19 2012-10-24 Walter Söhner Gmbh & Co. Kg Tête de remplissage destinée au remplissage d'un liquide dans un manchon de citerne
US20120267007A1 (en) * 2011-04-19 2012-10-25 Walter Soehner Gmbh & Co. Kg Filling head for filling in a fluid into a filler neck of a tank
DE102011051842A1 (de) 2011-04-19 2012-10-25 Walter Söhner GmbH & Co. KG Befüllkopf zum Einfüllen einer Flüssigkeit in einen Tankstutzen
US8539997B2 (en) * 2011-04-19 2013-09-24 Walter Söhner GmbH & Co. KG Filling head for filling in a fluid into a filler neck of a tank
EP2927191A3 (fr) * 2012-02-28 2015-12-09 Walter Söhner Gmbh & Co. Kg Système et procédé de ravitaillement
ITVR20120252A1 (it) * 2012-12-28 2014-06-29 Piusi Spa Apparecchiatura per il rifornimento di liquidi additivi antinquinamento per veicoli a motore diesel.
EP2749525A1 (fr) * 2012-12-28 2014-07-02 PIUSI S.p.A. Appareil permettant de fournir des liquides d'additif contre la pollution pour véhicules à moteur diesel
RU2640659C2 (ru) * 2012-12-28 2018-01-11 Пьюзи С.П.А. Устройство для подачи предотвращающих загрязнение добавочных жидкостей для транспортных средств с дизельным двигателем
ITUA20164425A1 (it) * 2016-06-16 2017-12-16 Piusi Spa Apparecchiatura per l'erogazione di soluzioni acquose di urea per il trattamento dei gas di scarico in veicoli a motore diesel.
EP3257807A1 (fr) * 2016-06-16 2017-12-20 PIUSI S.p.A. Appareil de distribution de solutions aqueuses d'urée pour le traitement de gaz d'échappement dans des véhicules à moteur diesel

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