EP3030764A1 - Procédé de fabrication d'un module de transfert à intégrer dans un réservoir - Google Patents

Procédé de fabrication d'un module de transfert à intégrer dans un réservoir

Info

Publication number
EP3030764A1
EP3030764A1 EP14741833.9A EP14741833A EP3030764A1 EP 3030764 A1 EP3030764 A1 EP 3030764A1 EP 14741833 A EP14741833 A EP 14741833A EP 3030764 A1 EP3030764 A1 EP 3030764A1
Authority
EP
European Patent Office
Prior art keywords
tank
ptc heater
temperature
delivery module
housing
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.)
Pending
Application number
EP14741833.9A
Other languages
German (de)
English (en)
Inventor
Wilfried Müller
Egbert ZIENICKE
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive 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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP3030764A1 publication Critical patent/EP3030764A1/fr
Pending legal-status Critical Current

Links

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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2896—Liquid catalyst carrier
    • 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
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • 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
    • B60K2015/03427—Arrangements or special measures related to fuel tanks or fuel handling for heating fuel, e.g. to avoiding freezing
    • 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
    • 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 method for producing a conveyor module with an electric PTC heater, which can be installed in a tank.
  • the delivery module is particularly suitable for tanks in which a liquid additive (in particular urea-water solution) is stored.
  • Electric heaters have the advantage that they can provide a large amount of heating energy even very shortly after the start of operation of a motor vehicle.
  • heated coolant and exhaust heat are available only after a longer period of operation of an internal combustion engine.
  • electrical energy must be able to be supplied in sufficient quantity from an energy store (for example an accumulator or a capacitor).
  • an energy store for example an accumulator or a capacitor.
  • the possibility of providing electrical energy in a motor vehicle is limited on the one hand with regard to the total amount of energy available. For example, a total of only a certain amount of energy (for example, 1 or 2 megajoules) can be made available for heating.
  • the liquid additive can be chemically influenced by excessive heating.
  • the urea-water solution is chemically converted to ammonia or unwanted intermediates when a limit temperature is exceeded. This should not happen in the delivery module and tank because the ammonia could attack and damage components of the delivery unit.
  • Heaters that are automatically deactivated when a maximum temperature is exceeded are therefore particularly advantageous.
  • These are electrical heating elements which have a particular dependence of the electrical resistance on the temperature. In the case of various PTC heating elements, there is in each case a characteristic and / or material-specific switching temperature at which the electrical resistance increases abruptly.
  • a material that has the described PTC properties and make up most of the PTC heating elements is, for example, barium titanate (BaTiCte). It should be noted, however, that the available large number of different PTC materials that can be used here, are also different costs.
  • a method for producing a conveyor module with an electrical PCT heater and a correspondingly produced conveyor module are to be specified, which allow a particularly advantageous operation of the heating system with the lowest possible power loss and the most uniform possible heating power.
  • the invention relates to a method for producing a conveyor module with an electric PTC heater for installation in a tank for storing a liquid additive, comprising at least the following steps:
  • the delivery module preferably has a housing in which (active or controllable) components for conveying the liquid additive are located, and which can be inserted into an opening in the bottom of a tank.
  • the components for conveying the liquid additive comprise, in particular, a pump with which a delivery of the liquid additive and optionally also a metering of the liquid additive can take place.
  • a line for the liquid additive passes through the conveyor module. On / in this line, the pump is arranged.
  • the liquid additive is removed from the tank by the pump at a point of suction and provided at a supply port of the delivery module.
  • the structure of the conveyor module should not be specified here in all details, because the expert can make numerous adjustments here according to the structure of the tank and / or the delivery rates of the delivery module. Later, however, two special embodiments of a conveyor module will be presented by way of example, which can be produced by the described method.
  • the maximum electrical power (Wmax) which is determined in step a) can be defined, for example, by the cross-section of an electrical supply line via which the delivery module is supplied with electrical energy.
  • An available supply voltage in a motor vehicle is, for example, 12 V [volts], 24 V or even 48 V. Depending on the cross section of the electrical supply line, the available supply voltage results in a maximum electrical power which can be transmitted via the supply line. It is also possible that the maximum electric power is determined by a specification of the motor vehicle manufacturer. Also, the maximum electric power can be determined by a power supply in a motor vehicle (for example, an accumulator and / or an alternator of the Motor vehicle) only a limited electrical power can provide.
  • a motor vehicle regularly has, in addition to the delivery module for the liquid additive, further electrical consumers which optionally limit the available maximum electrical power for the heating at the time of commissioning of the delivery module or its heating.
  • the method is particularly advantageous when the maximum electrical power for step a) is set to a value between 100 watts and 200 watts, in particular to a value between 110 watts and 130 watts, and very particularly preferably to (about) 120 watts ,
  • a maximum electrical power is to be considered, which is permanently provided to the conveyor unit and retrieved by the conveyor unit during operation of the conveyor unit, ie at least for a predetermined time interval of, for example, at least 5 minutes or even at least 10 minutes.
  • electrical services that the delivery unit retrieves for very short time intervals immediately after the electrical PTC heater has been switched on.
  • Switching on the electric PTC heater may result in short term inrush currents (peak currents) that may cause the conveyor unit to exceed 250 watts, in particular, for very short time intervals of, for example, less than 2 minutes, or even less than 1 minute even gets more than 350 watts.
  • peak currents short term inrush currents
  • This electrical power can usually be made available in a motor vehicle for a delivery module for liquid additive, without any impairment of the operation of the other components of the motor vehicle occurs.
  • a thermal conductivity of the delivery module from a location of the electric PTC heater is detected in the tank.
  • the (specified) location ultimately also indicates the (actual or later) position within the conveyor module on which the electric PTC heater is mounted.
  • the thermal conductivity is Usually defined as the quotient of the power and the temperature (W / Kelvin).
  • the thermal conductivity indicates how much heat energy is transferred from the place of heating into the tank when there is a temperature difference of 1 K between the place of heating and the tank. As the temperature differential between the location of the heater and the tank increases, the amount of heat transferred increases proportionally.
  • the thermal conductivity depends on the construction (material, arrangement, etc.) of the conveyor module.
  • the thermal conductivity in particular the distance from the location to the interior of the tank and the materials used between the location and the interior of the tank (in particular the material of the housing of the conveyor module) are relevant. It is generally unproblematic for the person skilled in the art (possibly using conventional calculation aids), starting from a concrete construction of the delivery module and the desired location of installation for the heater, to determine the amount of the corresponding thermal conductivity towards the interior of the tank.
  • the method is particularly advantageous when the thermal conductivity is determined in step b) with a finite element simulation of the conveyor module.
  • a finite element simulation FEM simulation
  • the thermal behavior of the materials of the conveyor module and in particular the material of the housing of the conveyor module and all components and components within the housing of the conveyor module, which between the location of the heater and the tank or the interior of the tank are simulated.
  • a model of the conveyor module is used, with the heat conductivities of the housing and the components and components mentioned (individually) being deposited.
  • the finite element simulation can be performed with a simplified two-dimensional model of the structure of the conveyor module.
  • a two-dimensional model for example, from a cross section through the conveyor module consist.
  • a two-dimensional model makes sense if the delivery module is at least approximately symmetrical, because only then can the values for the thermal conductivity determined on a two-dimensional model make a realistic assessment of the actual thermal conductivity in the third dimension possible. It is therefore particularly preferred that a three-dimensional finite element simulation is carried out, in which the model used for the finite element simulation corresponds to the actual structure of the conveyor module and also takes into account three-dimensional peculiarities which are distinguished by a (possibly symmetrical) The basic form of the conveyor module deviate.
  • the method is advantageous if the thermal conductivity (CC module ) in
  • Step b) is determined with an experiment in which a first temperature at the PTC heater and a second temperature in the tank are set in the tank and an amount of heat flowing from the PTC heater into the tank is determined Thermal conductivity is calculated from the difference of the first temperature and the second temperature and the amount of heat.
  • the fixing of the first temperature and the second temperature can be effected, for example, by arranging in each case a heat exchanger which adjusts a specific temperature and this temperature on a surface of the conveyor module which is in communication with the tank and at the location of the PTC heater regardless of the amount of heat that is supplied or removed via the respective heat exchanger in order to maintain the temperature.
  • a heat exchanger may for example be a liquid heat exchanger through which a large amount of liquid flows, which has exactly the first temperature and the second temperature.
  • the amount of heat flowing between the location of the PTC heater and the tank due to the difference between the first temperature and the second temperature may be determined by sensors on the delivery module.
  • the amount of heat is determined by an energy balance at the respective heat exchangers.
  • this only applies if no power loss occurs.
  • power losses may be taken into account, if appropriate, by a comparison of the amount of heat supplied or removed at the first heat exchanger and the amount of heat removed or supplied at the second heat exchanger.
  • thermal conductivity is advantageous because no expensive FEM model needs to be created to calculate the thermal conductivity.
  • FEM model needs to be created to calculate the thermal conductivity.
  • this approach even with particularly complex designs of a delivery module, it is possible to determine the actual thermal conductivity relatively accurately.
  • a switching temperature (Tschalt) of the PTC heater is calculated from the maximum electrical power and the thermal conductivity. This calculation can be done, for example, with a mathematical formula that represents the relationship between the switching temperature, the electrical power and the thermal conductivity.
  • the method is particularly advantageous if, in step c), a maximum temperature (Tmax, HWL) is taken into account which may occur in the tank without the liquid additive changing chemically. This maximum temperature is preferably between 50 ° C and 90 ° C [degrees Celsius], preferably between 70 ° C and 80 ° C. By taking this maximum temperature into consideration in step c), the liquid additive in the tank can be prevented from being chemically converted by the use of the PTC heater.
  • a minimum temperature (T min, HWL) is assumed that can occur in the tank, the minimum temperature being less than or equal to -11 ° C. From the minimum temperature usually depends on the maximum possible temperature difference between the location of the PTC heater or the PTC heater and the tank.
  • the minimum temperature may for example be determined by the lowest temperature that may occur in the environment of a motor vehicle and / or to which the liquid additive in the tank may theoretically be subcooled when frozen. This minimum temperature may vary by region, for example significantly lower in northern countries such as Sweden or Norway than in southern countries such as Spain or Italy.
  • the minimum temperature is for example between -20 ° C and -50 ° C.
  • the minimum temperature can be used as the lower limit temperature of a working range of the PTC element.
  • At least one PTC material based on barium titanate is mounted in step d).
  • Barium titanate (BaTiCte) is a mixed oxide of barium and titanium. At about 120 ° C, a phase change of the barium titanate takes place, which leads to a sudden increase in the electrical resistance. This effect can be used as switching temperature. By different material additives, the desired switching temperature of the PTC material to the calculated in step c) switching temperature may still be adjusted exactly.
  • Barium titanate-based PTC material can be provided as a mixture of barium carbonate and titanium oxide. Usually, a powdery mixture of Barium carbonate and titanium oxide sintered at high temperatures. This produces the barium titanate. Material additives can be added to the powdery mixture. Due to the ratio of barium carbonate and titanium oxide in the powdery mixture and the additional material additives, the electrical properties and in particular the switching temperature of the PTC material can be adjusted.
  • a PTC material is mounted which has a substantially constant electrical resistance in the region between the switching temperature and a lower limit temperature.
  • the electrical resistance of the PTC material varies within a working temperature range between the lower limit temperature and the switching temperature by less than 30 percent, preferably even less than 20 percent, and more preferably less than 10 percent. This makes it possible for the heating power absorbed by the PTC element to be substantially constant over the entire operating temperature range, without the need for additional measures for influencing the heating power. For example, an additional control resistor for controlling the PTC heating can be omitted.
  • a plurality of PTC heaters is mounted at a plurality of (predetermined) locations, with PTC heaters being suitably provided in accordance with their switching temperature. Accordingly, the plurality of PTC heaters may have the same and / or different switching temperatures, in particular with the aim of the fastest possible heating of the in-tank (frozen) additive.
  • a conveyor module for installation in a tank which was prepared according to a described method, wherein the conveyor module has a housing which can be inserted into the bottom of the tank, and wherein the housing has a first interior of the conveyor module from a second interior of the Tanks disconnects and the electric PTC heater in the first Interior of the conveyor module is arranged and the switching temperature of the electrical PTC heater between 80 ° C and 150 ° C.
  • the delivery module if it has a heat dissipation structure, which is arranged in the first interior of the housing and is adapted to transfer heat from the PTC heater to the housing.
  • the housing of such a conveyor module is preferably formed (predominantly) with plastic.
  • the heat distribution structure can be made of aluminum, for example.
  • the thermal conductivity of the PTC heater in the tank then depends largely on the housing and in particular on the shape of the housing, the (wall) thickness of the housing and the material of the housing. In particular, a uniform and / or targeted distribution of the heat within the first interior of the housing is achieved by the heat distribution structure.
  • a housing which can be inserted into the bottom of a tank, wherein the electric PTC heater is arranged in a hood, which housing surrounds, and the switching temperature of the PTC heater between 50 ° C and 90 ° C, preferably between 70 ° C and 80 ° C, is located.
  • the switching temperature is selected so that the outside of the hood a predetermined maximum temperature between 50 ° C and 90 ° C, in particular between 70 ° C and 80 ° C is applied.
  • a hood is in particular bell-shaped.
  • the hood surrounds the housing only in the areas in which the housing is in contact with a second interior of the tank.
  • the hood is preferably (predominantly) made of a plastic material.
  • the location of the PTC heater is in / on the hood.
  • the at least one PTC heating element may be cast into the hood and / or injected. It is also possible that heat distribution structures are provided in the hood, which have a very good thermal conductivity and with In contact with the location of the PTC heater to distribute the heat of the PTC heater in the bell.
  • a motor vehicle comprising a combustion engine and an exhaust gas treatment device for cleaning the exhaust gases of the internal combustion engine, a tank for storing a liquid additive and a described delivery module, which is adapted to supply the exhaust gas treatment device, the liquid additive from the tank.
  • an SCR catalyst is arranged, are converted / reduced at the nitrogen oxide compounds in the exhaust gases of the internal combustion engine.
  • 3 shows a first embodiment of a described conveyor module in a tank
  • 4 shows a second variant of a described conveyor module in a tank
  • Fig. 5 a motor vehicle, comprising a described conveyor module.
  • FIG. 2 shows a PTC curve 18 plotted in a diagram on a resistance axis 16 over the temperature axis 17. It can be seen from the PTC curve 18 that at low temperatures the electrical resistance applied to the resistance axis 16 is relatively low. At a switching temperature 4, the electrical resistance according to the PTC curve 18 abruptly increases to a high value. Therefore, from reaching the switching temperature 4, the electric current flowing through a PTC heater abruptly decreases. It can also be seen a lower limit temperature 22 for the operation of a conveyor module. Between the lower limit temperature 22 and the switching temperature 4 is a working temperature range 23.
  • FIGS. 3 and 4 each show a tank 3 in which a delivery module 2 is inserted.
  • the delivery module 2 comprises in each case a housing 5, in which components for conveying the liquid additive are arranged, in particular a pump 19.
  • the pump 19 removes liquid additive from the tank 3 via the line 14 at a suction point 25 and provides the liquid additive over the Line 14 again (with an increased pressure) at a supply port 26 ready.
  • FIG. 1 In the embodiment according to FIG.
  • the PTC heater 1 is arranged at a location 21 in a first interior 7 of the housing 5.
  • the PTC heater 1 is here combined with a heat distribution structure 20.
  • the heat distribution structure 20 distributes the heat generated by the PTC heater 1 in the housing 5 and in particular on the wall of the housing 5. The heat can pass from the first interior 7 of the housing 5 through the housing 5 into the second interior 8 of the tank 3 ,
  • a hood 9, which partially surrounds the housing 5, is arranged on the conveyor module 2.
  • the interior 8 of the tank 3 facing side of the housing 5 is surrounded by the hood 9, or covered.
  • At least one PTC heater 1 is integrated into the hood 9 at least at one location 21. The heat produced by the PTC heater 1 only has to be transported through the material of the hood 9 in order to reach the second interior 8 of the tank.
  • Fig. 5 shows a motor vehicle 10, comprising an internal combustion engine 11 and an exhaust treatment device 12 for cleaning the exhaust gases of the combustion engine 11 in the exhaust gas treatment device 12, an SCR catalyst 13 is arranged, which is supplied by an adding device 15 with liquid additive for exhaust gas purification.
  • the adding device 15 receives the liquid additive (urea-water solution) by means of the delivery module 2 from a tank 3, wherein the liquid additive is conveyed out of the tank 3 and provided via a line 14 to the adding device 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Resistance Heating (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un module de transfert (2) qui comporte un dispositif (1) de chauffage électrique à coefficient de température positif, ce module étant destiné à être intégré dans un réservoir (3) servant à stocker un additif liquide. Dans une étape de procédé a), on détermine une puissance électrique maximale qui est fournie au module de transfert (2). Dans une étape de procédé b), on détecte une conductibilité thermique du module de transfert (2) à partir d'un emplacement (21) du dispositif (1) de chauffage électrique à coefficient de température positif dans le réservoir (3). Dans l'étape c), on calcule une température de commutation (4) du dispositif (1) de chauffage électrique à coefficient de température positif à partir de la puissance électrique maximale et de la conductibilité thermique. Dans l'étape d), on monte à l'emplacement (21) une matière à coefficient de température positif ayant une température de commutation correspondante (4) pour le dispositif (1) de chauffage électrique à coefficient de température positif.
EP14741833.9A 2013-08-07 2014-07-14 Procédé de fabrication d'un module de transfert à intégrer dans un réservoir Pending EP3030764A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108501.6A DE102013108501A1 (de) 2013-08-07 2013-08-07 Verfahren zur Herstellung eines Fördermoduls zum Einbau in einen Tank
PCT/EP2014/065006 WO2015018604A1 (fr) 2013-08-07 2014-07-14 Procédé de fabrication d'un module de transfert à intégrer dans un réservoir

Publications (1)

Publication Number Publication Date
EP3030764A1 true EP3030764A1 (fr) 2016-06-15

Family

ID=51212818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14741833.9A Pending EP3030764A1 (fr) 2013-08-07 2014-07-14 Procédé de fabrication d'un module de transfert à intégrer dans un réservoir

Country Status (7)

Country Link
US (1) US9920677B2 (fr)
EP (1) EP3030764A1 (fr)
JP (1) JP2016535196A (fr)
KR (1) KR20160040291A (fr)
CN (1) CN105612321A (fr)
DE (1) DE102013108501A1 (fr)
WO (1) WO2015018604A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9682628B2 (en) * 2014-11-14 2017-06-20 GM Global Technology Operations LLC Fuel vapor canister heater control and diagnostic systems and methods
LU92720B1 (en) * 2015-05-12 2016-11-14 Iee Int Electronics & Eng Sa Heater device for failsafe warming up of temperature-critical materials
DE102016211175A1 (de) * 2016-06-22 2017-12-28 Robert Bosch Gmbh Heizvorrichtung für einen Tank, Tankvorrichtung für ein Abgasnachbehandlungssystem, Abgasnachbehandlungssystem
DE102017201867B4 (de) 2017-02-07 2023-03-02 Robert Bosch Gmbh Vorrichtung und Verfahren zum Betrieb einer Heizung für eine Abgasreinigungsanlage
DE102017222301A1 (de) 2017-12-08 2019-06-13 Continental Automotive Gmbh SCR-Dosiereinheit zur Förderung und Bereitstellung eines flüssigen Abgasreinigungsadditivs
DE102018216929A1 (de) * 2018-10-02 2020-04-02 Continental Automotive Gmbh Heizvorrichtung zum Einbau in einen Fahrzeugtank für Reduktionsmittel und Fahrzeugtank
DE102019217693A1 (de) * 2019-11-18 2021-05-20 Mahle International Gmbh Heizmodul
CN116348665A (zh) * 2020-10-23 2023-06-27 康明斯电力公司 柴油机尾气处理液罐加热系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61237919A (ja) * 1985-04-15 1986-10-23 Kyocera Corp セラミツクグロ−プラグ
JP3298493B2 (ja) * 1997-03-18 2002-07-02 株式会社デンソー 車両暖房用熱交換器
US6358487B1 (en) * 1997-08-28 2002-03-19 Mitsubishi Chemical Corporation Carbon black and process for producing the same
DE102005037201A1 (de) * 2005-08-06 2007-02-22 Eichenauer Heizelemente Gmbh & Co. Kg Heizsystem
DE102005046029A1 (de) * 2005-09-26 2007-03-29 Dbk David + Baader Gmbh Kaltstartheizung zur Abschmelzung der für einen Flüssigkeitsverbraucher bestimmten Flüssigkeit in Kraftfahrzeugtanks
DE102008005196A1 (de) * 2008-01-18 2009-07-23 Dbk David + Baader Gmbh Tankentnahmesystem mit elektrischer und fluidischer Heizvorrichtung
DE102009047647B4 (de) * 2009-12-08 2023-06-29 Robert Bosch Gmbh Heizsystem für einen Tankbehälter
DE102010004612A1 (de) * 2010-01-13 2011-07-14 Emitec Gesellschaft für Emissionstechnologie mbH, 53797 Vorrichtung mit einem Tank und einer Fördereinheit für Reduktionsmittel
DE102010014314A1 (de) 2010-04-09 2011-10-13 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel
DE102010020200A1 (de) 2010-05-12 2011-11-17 Emitec Gesellschaft Für Emissionstechnologie Mbh Tank zur Bevorratung eines Betriebsstoffs
DE102010024022A1 (de) * 2010-06-16 2011-12-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Förderung von flüssigem Reduktionsmittel
DE102010024021A1 (de) * 2010-06-16 2011-12-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung eines Reduktionsmittels mit Systemheizung
DE102011012441A1 (de) * 2011-02-25 2012-08-30 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Heizen eines Fördersystems
DE102011075726A1 (de) * 2011-05-12 2012-11-15 Robert Bosch Gmbh Vorratstank und Funktionseinheit hierzu

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2015018604A1 *

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CN105612321A (zh) 2016-05-25
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WO2015018604A1 (fr) 2015-02-12
DE102013108501A1 (de) 2015-03-05
JP2016535196A (ja) 2016-11-10
US20160186633A1 (en) 2016-06-30

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