WO2020057812A1 - Réservoir de fluide - Google Patents

Réservoir de fluide Download PDF

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Publication number
WO2020057812A1
WO2020057812A1 PCT/EP2019/069928 EP2019069928W WO2020057812A1 WO 2020057812 A1 WO2020057812 A1 WO 2020057812A1 EP 2019069928 W EP2019069928 W EP 2019069928W WO 2020057812 A1 WO2020057812 A1 WO 2020057812A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
fluid tank
slosh
tank
wall
Prior art date
Application number
PCT/EP2019/069928
Other languages
German (de)
English (en)
Inventor
Juergen Hanneke
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2020057812A1 publication Critical patent/WO2020057812A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • 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
    • B60K15/03177—Fuel tanks made of non-metallic material, e.g. plastics, or of a combination of non-metallic and metallic material
    • 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
    • B60K2015/0344—Arrangements or special measures related to fuel tanks or fuel handling comprising baffles
    • 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
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • B60K2015/0775—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation for reducing movement or slash noise of fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1426—Filtration means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to a fluid tank for storing a fluid, in particular a fluid reducing agent.
  • a liquid reducing agent G, fluid in particular a urea water solution, is often used
  • Ad Blue “®” injected into the exhaust system of the internal combustion engine using an injection system.
  • the nitrogen oxides contained in the exhaust gases react with the reducing agent and are reduced in nitrogen and water.
  • the reducing agent is kept in a fluid tank.
  • the reducing agent can contain foreign bodies and / or dirt particles that can damage and / or clog the injection system.
  • a fluid tank can be provided for storing demineralized water.
  • Demineralized water can be injected together with the fuel into the combustion chamber of the internal combustion engine in order to reduce the combustion temperature and thus the thermal load on the components.
  • the water also binds any soot particles generated during combustion.
  • Movements of the fluid tank e.g. in a moving vehicle can cause the fluid to spill up in the fluid tank. This can have the consequence that there is temporarily no fluid at the removal point of the fluid tank and the fluid supply to the injection system is interrupted.
  • a fluid tank limits a tank volume which is provided for storing a fluid, in particular a fluid reducing agent or demineralized water.
  • a fluid in particular a fluid reducing agent or demineralized water.
  • There is at least one slosh wall in the tank volume which is designed to prevent or at least reduce sloshing and wave movements of the fluid, as can be caused in particular by movements and fluid noise in the fluid tank resulting therefrom.
  • at least one filter element is arranged, which is designed to filter fluid flowing through.
  • the injection system having a metering module arranged on an exhaust duct of the exhaust line and a fluid tank according to the invention.
  • the metering module is designed to inject the reducing agent into the exhaust gas duct
  • the fluid tank is designed to store the fluid to be injected into the exhaust gas duct.
  • Injection system reliably filtered fluid can be provided even when the tank is moved.
  • At least one filter window is formed in the at least one slosh wall, and the at least one filter element is arranged in the at least one filter window.
  • the filter elements can be arranged particularly easily in the at least one slosh wall.
  • the filter elements can be removably arranged in the filter windows, so that the filter elements can be easily removed and cleaned or replaced if necessary.
  • the at least one slosh wall can also be designed such that it can be easily removed from the fluid tank and reinserted, for example for maintenance purposes.
  • Filter element at a distance of at least 15 mm, for example at a distance of 15 mm to 25 mm, in particular 20 mm, from a bottom of the fluid tank.
  • the at least one slosh wall divides this
  • Injection system filtered clean fluid can be provided.
  • a sedimentation stage is formed on a side of the at least one slosh wall facing the dirt area, which supports the separation of sediment at the bottom of the dirt area and thereby reduces the risk of clogging and / or blocking of the at least one filter element by separated sediments.
  • the at least one filter element is linear, i.e. formed as a substantially planar plate. In an alternative embodiment, the at least one filter element is cylindrical. The at least one filter element can be particularly easy to handle and
  • the at least one slosh wall can also be linear, i.e. be designed as an essentially planar plate, accordion-shaped or cylindrical.
  • the surface available for filtering the fluid can be made with the same dimensions of the fluid tank compared to a linear one by means of a cylindrical or zigzag-shaped swash wall
  • Slosh wall can be enlarged.
  • the maximum possible fluid flow through the filter elements, and thus the maximum possible withdrawal amount per Unit of time, can be increased in this way without increasing the dimensions of the fluid tank.
  • the fluid tank has at least two slosh walls, in each of which at least one filter element is arranged.
  • the at least two slosh walls divide the tank volume of the fluid tank into a dirt area, a first clean area and a second clean area. More than two slosh walls can also be provided, which form more than two clean areas.
  • Filter elements in the various slosh walls can have different mesh sizes / pore sizes.
  • the filter elements can be designed in such a way that the fluid flows in sequence through filter elements with decreasing mesh sizes / pore sizes before it reaches the last clean area (clean area).
  • Particles of different sizes can be filtered out of the fluid in stages. In this way, particularly pure fluid can be provided in the clean area without the risk that the filter elements, in particular the filter elements with a small mesh size / pore size, clog too quickly.
  • the fluid tank has at least one protective element, for example a protective wall.
  • the at least one protective element is arranged and formed on at least one side of the at least one slosh wall, the slosh wall and in particular the at least one
  • the protective element can be made of the same material as the at least one slosh wall or of a different material.
  • Protective element can in particular be made of an elastic and / or porous material, for example a PU foam, which is suitable for elastically absorbing mechanical effects / impacts in order to prevent mechanical damage to the protective element and / or the slosh wall.
  • an elastic and / or porous material for example a PU foam, which is suitable for elastically absorbing mechanical effects / impacts in order to prevent mechanical damage to the protective element and / or the slosh wall.
  • the at least one protective element is at a distance of 5 mm to 10 mm from the at least one slosh wall arranged.
  • a distance in a range of 5 mm to 10 mm has proven to be particularly suitable for protecting the swash wall from damage.
  • At least one groove for receiving the at least one slosh wall is formed in / on a limitation of the tank volume, for example in / on a wall, a floor and / or a ceiling of the fluid tank.
  • the slosh wall can be inserted into such a groove in order to detachably fix the slosh wall to a limitation of the tank volume.
  • the at least one slosh wall is glued or welded to at least one limitation of the tank volume, around which
  • a slosh wall extending between at least two limits of the tank volume gives the fluid tank additional rigidity.
  • the at least one filter element is interchangeable, i.e. it is easily removable from the slosh wall, making it easy
  • the at least one filter element can be replaced if it is clogged and / or damaged.
  • the at least one filter element can also be replaced at regular intervals in order to prevent clogging and / or damage.
  • the at least one slosh wall and / or the at least one filter element can be heated in order to thaw frozen fluid and / or to prevent the fluid from freezing.
  • the slosh walls and / or the filter elements can each be equipped with at least one heating element, in particular an electrical heating element.
  • the electrical heating element can be, for example, an ohmic heating element, for example a heating coil, or a PTC heating element.
  • a large-scale heating effect can be achieved by heating the slosh walls and / or the filter elements. So even at low ambient temperatures after a short Time a quantity of thawed fluids are available, which is sufficient for the operation of the injection system.
  • Figure 1 shows an exhaust line of an internal combustion engine with a metering module for injecting a reducing agent into an exhaust duct of the
  • Figure 2 shows a schematic side sectional view of a fluid tank according to an embodiment of the invention.
  • Figure 3 shows a schematic section along the line C-C shown in Figure 2.
  • FIG. 4 shows a plan view of a region of a fluid tank according to a further exemplary embodiment of the invention.
  • FIG. 5 shows a side view of the area shown in FIG. 4.
  • Figure 6 shows a plan view of a fluid tank according to another
  • FIG. 7 shows a plan view of an area of a fluid tank with a
  • Slosh wall and a protective element arranged in front of the slosh wall are Slosh wall and a protective element arranged in front of the slosh wall.
  • FIG. 8 shows a plan view of an area of the fluid tank according to a further exemplary embodiment of the invention in the vicinity of the swash wall.
  • Figure 9 shows a section through the slosh wall shown in Figure 8.
  • FIG. 1 shows an exhaust line 52 of an internal combustion engine 54 with an injection system 55 for injecting a reducing agent 3 into an
  • the injection system 55 comprises a metering module 51, which in the flow direction of the exhaust gases 50 of the internal combustion engine 54 between the
  • the dosing module 51 contains an injection valve 56, which is designed to inject a fluid reducing agent 3 into the exhaust gas duct 53.
  • the reducing agent 3 to be injected is removed from a fluid tank 2 by a feed pump 58 and fed to the metering module 51.
  • the dosing module 51 injects the reducing agent 3 into the exhaust duct 53 of the exhaust line 52 with increased pressure.
  • the injected reducing agent 3 mixes with the exhaust gases 50 flowing through the exhaust duct 53 and reacts in the SCR catalytic converter 57 arranged downstream of the metering module 51 with those contained in the exhaust gases 50
  • Nitrogen oxides (NO x ), which are reduced to N 2 and H2O.
  • Figure 2 shows a schematic side sectional view of a fluid tank 2 according to an embodiment of the invention.
  • Figure 3 shows one
  • the fluid tank 2 shown in FIGS. 2 and 3 comprises an upper tank shell 6a and a lower tank shell 6b.
  • the two tank shells 6a, 6b are connected to one another along a connecting line 7, for example by a welding or adhesive connection.
  • the upper tank shell 6a and the lower tank shell 6b delimit a tank volume 4a, 4b which is used to store a fluid 3, in particular a fluid reducing agent 3, e.g. an aqueous urea solution, or of demineralized water is provided and suitable.
  • a fluid reducing agent 3 e.g. an aqueous urea solution, or of demineralized water is provided and suitable.
  • a slosh wall 8 in the tank volume 4a, 4b.
  • the slosh wall 8 extends from a bottom 18 of the fluid tank 2 to a ceiling 20 of the fluid tank 2.
  • the slosh wall 8 divides the tank volume 4a, 4b into a dirt area 4a shown on the left in FIGS. 2 and 3 and a clean area 4b shown on the right in FIGS. 2 and 3.
  • a filler neck 10 is formed in the ceiling 20 of the fluid tank 2, which makes it possible to fill fluid (reducing agent or demineralized water) 3 into the dirt region 4a of the fluid tank 2.
  • a removal device 12 which in particular contains the feed pump 58 and enables fluid 3 to be removed from the clean area 4b of the tank volume 4a, 4b and to be fed to the metering module 51.
  • the removal device 12 can contain a filter 60 and / or a heater 62.
  • Openings / windows 14 are formed in the slosh wall 8, in each of which a filter element 16 is arranged. Fluid 3 can flow through the filter elements 16 from the dirt area 4a into the clean area 4b of the tank volume 4a, 4b. Fluid 3, which flows through the openings / windows 14, is filtered by the filter elements 16. Dirt particles 17 which are larger than the mesh size / pore size of the filter elements 16 are filtered out of the fluid 3 and cannot get into the clean area 4b of the tank volume 4a, 4b.
  • Filtered / clean fluid 3 is therefore available in the clean area 4b and can be removed from the clean area 4b by the removal device 12 and fed to the metering module 51.
  • the openings / windows 14 are arranged at a distance (at a height) d of at least 15 mm from the bottom 18 of the fluid tank 2. Due to this increased arrangement of the openings / windows 14, a sedimentation area 15 is formed in front of the slosh wall 8 on the bottom 18 of the dirt area 4a, in which a sediment of dirt particles 17 can collect without clogging the filter elements 16.
  • An opening 22 is formed in the ceiling 20 of the tank 2, through which the filter elements 16 can be removed, cleaned and / or replaced if necessary can be.
  • the opening 22 can be closed in a fluid-tight manner by a removable cover 24.
  • FIG. 4 shows a plan view of a region of a fluid tank 2 in the
  • FIG. 5 shows a side view of the slosh wall 8 from the viewing direction R shown in FIG. 4.
  • the slosh wall 8 extends between two side walls 19a, 19b of the fluid tank 2.
  • the slosh wall 8 is designed in the manner of an accordion and comprises a plurality of slosh wall segments 81-84 which are at obtuse angles 01 , 2 , 3 , ie at angles ai , 2 , 3 > which are greater than 90 °, are arranged to each other.
  • the angles 01 , 2 , 3 between the swash wall segments 81-84 can be identical or different.
  • two openings / windows 16 are formed in each of the slosh wall segments 81-84, in each of which a filter element 18 is arranged (see FIG. 5).
  • a filter element 18 is arranged in each of the slosh wall segments 81-84.
  • more or less than two openings / windows 16 can also be formed and more or less than two filter elements 18 can be arranged.
  • a groove 26 is formed in each of the side walls 19a, 19b or in the ceiling 20 and in the bottom 18 of the fluid tank 2, into which the slosh wall 8 is inserted (see FIG. 4) in order to fix the slosh wall 8.
  • the grooves 26 and the slosh wall 8 can in particular be designed such that the width b of a gap between the slosh wall 8 and the
  • Slosh wall 8 with the filter elements 16 can nevertheless be easily replaced by pulling them out of the grooves 26.
  • the slosh wall 8 can be glued or welded in the grooves 26.
  • FIG. 6 shows a top view of a fluid tank 2 according to a further exemplary embodiment of the invention.
  • two slosh walls 8a, 8b with sedimentation areas 15a, 15b formed in front of them are arranged in the tank volume 4a, 4b, 4c of the fluid tank 2.
  • the two slosh walls 8a, 8b divide the tank volume 4a, 4b, 4c of the fluid tank 2 into a dirt area 4a, a first clean area 4b and a second clean area (clean area) 4c.
  • the filler neck 10 makes it possible to fill fluid 3 into the dirt area 4a, and the
  • Fluid extraction device 12 is arranged in the second clean area (clean area) 4c.
  • the filter elements 16b arranged in the second slosh wall 8b in particular have a smaller mesh size / pore size than the filter elements 16a arranged in the first slosh wall 8a.
  • Filter elements 16a arranged in slosh wall 8a thus effect a first (pre) filtering, through which coarse particles are filtered out of fluid 3.
  • the filter elements 16b arranged in the second slosh wall 6b effect a second (fine) filtering, by means of which fine particles, which could pass through the first filter element 16a, are removed from the already coarsely filtered fluid 3.
  • Such a combination of filter elements 16a, 16b with different mesh sizes / pore sizes enables even fine particles to be reliably removed from the fluid 3 without the risk that the filter elements 16a, 16b, in particular those arranged in the second slosh wall 6b (fine -) Filter elements 16b, clog in a short time.
  • FIG. 7 shows a plan view of an area of a fluid tank 2 with a slosh wall 8 and a protective element 28 arranged in front of the slosh wall 8.
  • the protective element 28 is arranged on the side of the slosh wall 8 which faces the dirt region 4a of the tank volume 4a, 4b.
  • the protective element 28 extends essentially parallel to the slosh wall 8 and is arranged, for example, at a distance a of 5 mm to 10 mm in front of the slosh wall 8.
  • the protective element 28 is formed, the
  • the protective element 28 extends in particular almost completely over the width and over the height of the slosh wall 8 in order to protect it almost completely.
  • a protective element 28 (not shown) can also be arranged on the other side of the slosh wall 8, which faces the clean area 4b of the tank volume 4a, 4b.
  • the protective element 28 can be made of the same material as the slosh wall 8 or of a different material.
  • the protective element 28 can in particular be made of an elastic and / or porous material, for example a PU foam.
  • FIGS. 8 and 9 show a further exemplary embodiment of a fluid tank 2 according to the invention.
  • FIG. 8 shows a plan view of a region of the fluid tank 2 in the vicinity of the slosh wall 8
  • FIG. 9 shows a section through the slosh wall 8 shown in FIG. 8.
  • Filter element 16 is designed as a cylindrical filter element 16.
  • the cylindrical filter element 16 can be particularly lightweight
  • replaceable filter cartridge 16 may be formed.
  • the axis A of the cylindrical filter element 16 can be aligned in particular in the horizontal or in the vertical direction.
  • the axis A of the filter element 16 is aligned in the vertical direction.
  • the underside of the filter element 16 lies on a sedimentation stage 30 formed on the bottom 18 of the fluid tank 2.
  • the sedimentation stage 30 has, for example, a height h of at least 15 mm from the bottom 18 mm.
  • annular filter element fixation 35 in order to fix the filter element 16 to the bottom 18 of the fluid tank 2.
  • a fluid opening 32 is formed in the underside 34 of the filter element 16.
  • the fluid opening 32 is in fluid communication with a fluid channel 36 which is formed in the bottom 18 of the fluid tank 2.
  • Fluid 3 which has passed through the side wall 33 designed as a filter and forms the jacket of the cylindrical filter element 16 from the dirt area 4a of the fluid tank 2 into a central area 37 of the filter element 16, flows through the bottom area 34 of the filter element 16 formed fluid opening 32 and the fluid outlet channel 36 from the filter element 16 into the clean area 4b of the fluid tank 2.
  • a semicircular fluid inlet channel 9 is formed, which allows fluid 3 from the dirt area 4a, along the entire circumference, in particular also from the (rear side of the filter element 16, which faces the slosh wall 8, through which Side wall 33 of the filter element 16 in the central region 37 of the
  • An upper end of the filter element 16 is enclosed by a cover 38.
  • the cover 38 has an internal thread 40 which can be screwed to a corresponding external thread 42 which is formed on the ceiling 20 of the fluid tank 2. This makes it possible to screw the filter element 16 to fix the cover 38 in the fluid tank 2 and to close the fluid tank 2 in a fluid-tight manner.
  • A can be between the cover 38 and the fluid tank 2
  • Seal ring 39 may be provided.
  • the opening 22 is for
  • the slosh walls 8, 8a, 8b and / or the filter elements 16, 16a, 16b can each be equipped with at least one heating element 44 which it
  • a large-area heating effect can be achieved by heating the slosh walls 8, 8a, 8b and / or the filter elements 16, 16a, 16b. This can thaw a large amount in a short time
  • Fluids 3 are provided.
  • heating elements 44 can also be used in combination with planar filter elements 16, as shown in FIGS. 2 to 7.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

La présente invention concerne un réservoir de fluide (2) comprenant un volume (4a, 4b) pour stocker un fluide (3) et ayant au moins une paroi anti-débordement (8, 8a, 8b) qui est conçue pour réduire les mouvements de débordement et d'ondulation du fluide (3). Dans la ou les parois anti-débordement (8, 8a, 8b) est disposé au moins un élément filtrant (16, 16a, 16b) conçu pour filtrer le fluide (3).
PCT/EP2019/069928 2018-09-19 2019-07-24 Réservoir de fluide WO2020057812A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018215902.5A DE102018215902A1 (de) 2018-09-19 2018-09-19 Fluidtank
DE102018215902.5 2018-09-19

Publications (1)

Publication Number Publication Date
WO2020057812A1 true WO2020057812A1 (fr) 2020-03-26

Family

ID=67439227

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006048721A1 (de) * 2006-10-16 2008-04-17 Robert Bosch Gmbh Katalytische Reduktionseinrichtung für eine katalytische Reduktion von Stickoxiden in Abgasanlagen
DE102010014314A1 (de) * 2010-04-09 2011-10-13 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel
DE102011112325A1 (de) * 2011-09-02 2013-03-07 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006048721A1 (de) * 2006-10-16 2008-04-17 Robert Bosch Gmbh Katalytische Reduktionseinrichtung für eine katalytische Reduktion von Stickoxiden in Abgasanlagen
DE102010014314A1 (de) * 2010-04-09 2011-10-13 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel
DE102011112325A1 (de) * 2011-09-02 2013-03-07 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel

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