WO2003093080A1 - Contenant a liquide pouvant etre chauffe pour vehicule automobile - Google Patents

Contenant a liquide pouvant etre chauffe pour vehicule automobile Download PDF

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Publication number
WO2003093080A1
WO2003093080A1 PCT/DE2003/001313 DE0301313W WO03093080A1 WO 2003093080 A1 WO2003093080 A1 WO 2003093080A1 DE 0301313 W DE0301313 W DE 0301313W WO 03093080 A1 WO03093080 A1 WO 03093080A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
heating device
liquid
heating
energy source
Prior art date
Application number
PCT/DE2003/001313
Other languages
German (de)
English (en)
Inventor
Jochen Bauck
Matteo Piazzi
Original Assignee
Seeber Ag & Co. Kg
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 Seeber Ag & Co. Kg filed Critical Seeber Ag & Co. Kg
Priority to AU2003236777A priority Critical patent/AU2003236777A1/en
Priority to EP03735265A priority patent/EP1494904A1/fr
Priority to DE10391856T priority patent/DE10391856D2/de
Priority to US10/481,223 priority patent/US20050036771A1/en
Publication of WO2003093080A1 publication Critical patent/WO2003093080A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/50—Arrangement of reservoir
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/487—Liquid supply therefor the liquid being heated
    • B60S1/488—Liquid supply therefor the liquid being heated electrically

Definitions

  • the invention relates to a container with a wall for receiving a liquid to be heated for a vehicle, the container having a heating device.
  • Containers of this type are known for supplying a device in a motor vehicle, for example an automobile, with a liquid, in particular a liquid for a washing system for washing the windshield or rear windows or the front headlights or signal lights of a motor vehicle.
  • a liquid in particular a liquid for a washing system for washing the windshield or rear windows or the front headlights or signal lights of a motor vehicle.
  • the driver is dependent on providing a clear view by actuating the windscreen wiper system, and there is also a desire to melt frozen washing liquid by means of suitable measures in order to ensure that the temperature drops below 0 ° C or even lower, in which a washing liquid provided with an additive lowering the melting point is frozen, so that it can melt again.
  • DE 44 25 214 A1 discloses a container for a windshield washer device with a chamber for holding a washing liquid.
  • the known container is characterized in that it has at least one further chamber which is separate from the washing liquid chamber and through which a heating medium, for example heated engine cooling water, flows according to the principle of the heat exchanger.
  • the chamber can also have the shape of a channel or, for example, several channels or lines for the heating medium can run through the container.
  • the heating medium chamber is preferably connected to the engine cooling circuit, so that Heating medium is provided with the engine running to thaw the frozen washing liquid.
  • the heating medium chamber is formed, for example, on the bottom of the container, where it is located between the bottom wall of the container and a partition which separates it from the washing liquid chamber located above. This means that the heat exchanger is located just below the pump, among other things, so that this area is melted faster than the rest.
  • this object is achieved in a container of the type mentioned in the introduction in that the heating device is fed by an electrical energy source.
  • the invention relates to the heating of all types of liquids, including the cooling water for the engine, the fuel which, in the case of diesel fuel, tends to flocculate at temperatures below freezing, particularly without the addition of volatile hydrocarbons.
  • the liquid can also be an engine or hydraulic oil that loses the desired viscosity below certain temperatures and becomes viscous.
  • the liquid is intended for cleaning windows, headlights or other signal lights of the vehicle.
  • Liquids can also be provided on or in the vehicle for cleaning other objects. Because the liquid is heated by an electrical / energy source, it can be brought to the desired temperature regardless of the working time of the internal combustion engine or the time at which it is ignited. Just shortly after the vehicle has started, the driver wishes to clear the windows of precipitation, in particular frozen precipitation, and contaminants. In the case of windshield wiper systems according to the prior art, it is dependent on the engine cooling water already being heated.
  • Washing fluid flowing heat is needed after starting the engine while it is still cold. Even with low-consumption engines, even a small loss of heat delays the heating of the engine that it does not reach the optimal operating temperature as quickly as desired.
  • the invention remedies this by heating the liquid electrically.
  • the starter battery of a vehicle or an additional battery, such as is present in vehicles with auxiliary heaters serves as the electrical energy source for this.
  • electrical heating of a liquid, in particular the windshield washer liquid is possible in the vehicle.
  • a container heater according to the invention can thus be activated either together with the auxiliary heater at a point in time before the internal combustion engine starts. Or the container heating can be switched on at the same time as the combustion engine.
  • a frozen liquid is thawed in a short time.
  • rapid wiping water heating to 35 ° C is achieved, as is common in contemporary automobiles.
  • the invention is suitable to replace the known systems for heating a liquid based on the heat exchanger principle and to propose the design of a heatable container for vehicles which guarantees a quick reaction to the start of the engine, regardless of the operating state of the engine and others Systems for heating within the vehicle are not affected.
  • the vehicle battery is advantageously used as an energy source, because this means that no additional battery has to be inserted into the vehicle. Taking into account the additional function of heating one or more liquids, it can be provided that a vehicle battery with a higher capacity than that normally used for the respective vehicle type is used.
  • the heating device is firmly connected to the wall of the container.
  • the container can also be formed in two parts, so that the heater can be easily connected to a lower container part. This results in constructive simplifications when assembling and installing the container in the motor vehicle.
  • the heater occupies the entire wall of a liquid container or the bottom region and the region of the side walls or only the bottom region or a part of the bottom of the container, it is ensured that the heater heats a large surface of the liquid in a short time.
  • the heating can also take place in the immediate vicinity of feed pumps, which can be arranged in particular in the region of the bottom or the side walls, in which a removal of the liquid is possible at the same time.
  • a washer fluid reservoir is equipped, for example, with three feed pumps, each of which is provided for the front window, the rear window and the front lamps and signaling devices of the vehicle.
  • the heating device is designed as a thick-film heater with a resistance element
  • a technique can be used which has been tried and tested in the construction of kettles or kitchen machines.
  • Such a kitchen machine is known, for example, from DE 102 26 939 A1.
  • the container is equipped with a heating device which projects through an opening in the wall of the container.
  • a particular advantage of this solution is that an opening that is present anyway and is usually used as a filling opening only for refilling the used liquid serves a dual purpose.
  • a heating rod, a heating plate, a heating coil, a heating spiral or the like is attached to the lid, which are preferably each dimensioned such that complete removal of the lid from the container for refilling the liquid is not hindered.
  • care is taken that the heating device takes up as large an area as possible. This can be achieved in particular with a heating plate which is advantageously placed in the vicinity of one pump or a plurality of pumps, provided that there are several pumps in the vehicle.
  • the lid is connected to the container, for example via a screw, a bayonet or a snap lock. Wires are connected to the outside of the cover, through which wires the heating device is connected through the cover to the electrical energy source.
  • the heating device can be designed in various forms; it is preferably at least partially designed as a rod or as a plate. In an advantageous embodiment of the invention, the heating device is of helical or spiral design.
  • a container is advantageously used in which the heating device comprises a rod and a plate attached to a free end of the rod.
  • the heating device is arranged at least partially in the vicinity of a feed pump for conveying the liquid out of or into the container. In the latter case, this prevents inflow lines connected to the pumps from becoming clogged by broken chunks or particles of the liquid.
  • an electrical battery arranged on board a motor vehicle is used as the energy source.
  • the vehicle is connected to the electrical network of the garage or a building via an electrical cable while it is standing in the garage, for example.
  • the heating device arranged in the container is part of a circuit which also includes the energy source, in which a first switch, in particular a relay, which can be activated by an ignition device for igniting an internal combustion engine, is arranged between the heating device and the energy source , This is switched with the onset of the current in the circuit when, for example, the battery current begins to flow when the motor key is inserted into the motor lock or when the motor is switched on. It is also advantageous if a control device, in particular a second switch, which can be controlled by the fill level of the liquid, is arranged in a circuit comprising the heating device and the energy source. Overheating of the heating device and the associated risk of an electrical short circuit can thereby be prevented.
  • a first thermostat for setting the temperature is advantageously present.
  • the first thermostat is advantageously designed such that it opens or interrupts the supply line above a certain temperature value.
  • a desirable temperature value is 35 ° C as it is is sought today in many automobiles.
  • the liquid is heated as long as the temperature is below 35 ° C. Because the heating is independent of the motor, there is no risk of malfunction.
  • the heating is switched off.
  • the first thermostat is preceded by a second thermostat serving as a safety thermostat and that it switches the control device on or off, in particular opens or closes the switch, when a certain temperature value is exceeded.
  • This temperature value is advantageously chosen at 50 ° C.
  • a display can also be provided, for example on the dashboard, which shows the driver that the control thermostat of the vehicle has failed.
  • a level sensor can be provided in the container, which interrupts the heating if the liquid level is too low. This information can be passed on to the driver and displayed to him, for example, on the dashboard.
  • the container is advantageously produced as a plastic blow molded part or as a plastic injection molded part.
  • the container has a lower and an upper part and that the heating device is arranged at least in the lower part. It is advantageous if at least one, in particular a helical, electrical heating wire is embedded in the wall of the lower part.
  • a level sensor can also be provided in the container.
  • lines for conveying the liquid and nozzles to which the liquid is transported are also heated.
  • Fig. 1 is an electrical circuit diagram for a heater
  • FIG. 1 schematic views of containers with a heating device.
  • a container 1 (FIG. 1) for a liquid to be heated in a vehicle contains an electrical coil 2 which is connected via a line 3 to one of the poles 4 of an electrical energy source 5, the other pole 6 of which is connected to the other via a different line Connection of the heating coil or coil 2 is connected.
  • Another electrical line 8 which serves as a control line, also originates from the electrical energy source 5. It is connected to a relay 9, which is in a connecting line 7 to close it when the relay 9 is switched, for. B. when starting the engine with the onset of battery power.
  • a level sensor 10 is also arranged in the circuit of the line 8, which actuates an interrupter 11 when the liquid in the container 1 falls below a predetermined level, in order to prevent the liquid in the container 1 from overheating and thus also preventing heat damage to the latter.
  • a display unit 12 is connected to the interrupter 11, which indicates to the driver that the liquid level is too low.
  • a safety thermostat 14 is interrupted to the thermostat 13, which drops and opens the connection of the electrical line 8 when a certain one Temperature is exceeded.
  • This temperature is very much higher than the temperature set on the control thermostat 13. This temperature can e.g. B. can be set to 50 ° C.
  • a heating device 16 introduced into a container 15 made of plastic has a cover plate 17 on the outside of a wall 18 of the container 15.
  • the cover plate 17 projects beyond an opening (not shown) in the wall 18 through which a heating element 19 is put through.
  • the cover plate 17 and, in the area adjacent to the wall 18, also the heating element 19 consist of a thermally and electrically insulating material, so that the plastic of the wall 18 cannot be heated or melted.
  • the container 15 is at least partially filled with a liquid to be heated, which is pumped out via pumps 20, 21, 22 attached to the bottom of the container 15 and conveyed via supply lines to the washing devices of the front and rear windows and the front lights and headlights of the vehicle can be.
  • the proximity of the plate 23 to the pumps 20 to 22 ensures that these and the lines connected to them for transporting the liquid do not become clogged with frozen particles of the liquid.
  • heating devices are provided on the lines themselves and / or on the outlet-side nozzles of the lines, from which the liquid is sprayed onto the panes or headlights.
  • the liquid is heated both by the heating rod 19 and by a plate 23 attached to its lower end.
  • the heating rod 19 and the plate 23 are traversed by a continuous heating wire 24, which is additionally arranged helically in the plate 23 and forms an ohmic resistance heater.
  • the heating wire 24 is embedded in an electrically insulating mass 25 within the heating element 19 and the plate 23.
  • a loop-shaped heating element 26 is present in the container 15, which is likewise introduced into the container 15 via the cover plate 17 through an opening. It goes without saying that instead of a single loop, a plurality of loops in the manner of an immersion heater can be present.
  • a container 27 has a lid 28 and a lower part 29.
  • the cover 28 has a projection 30 through which it is connected to other structural parts of the vehicle.
  • An inlet nozzle 31 is also provided for refilling the liquid.
  • the container 27 In its lower part 29, the container 27 has a wall made of an electrically insulating and heat-resistant material, inside which a heating wire 32 (shown in the broken part of the lower part 29) is present to heat the liquid in the container 27.
  • the outside of the wall of the lower part 29 and preferably also of the cover 28 is preferably made of a thermally insulating material in order to prevent the heat from flowing out of the interior of the container 27 and undesirable heating of the surroundings of the container 27 in the vehicle.
  • the heater introduced into the wall of the container 27 is constructed approximately in the manner of a thick-film heater with a resistance heating element, in which thin heating tracks are printed on an enamelled stainless steel plate facing the interior of the container 27.
  • a protective varnish which is applied to the heating tracks, is used for passivation.
  • the paint is covered by another layer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un contenant (15) comportant une paroi, destiné à recevoir un liquide à chauffer dans un véhicule. Ce contenant (15) est pourvu d'un dispositif de chauffage (16) et il se caractérise en ce que ce dispositif de chauffage (16) est alimenté par une source d'énergie électrique.
PCT/DE2003/001313 2002-04-18 2003-04-22 Contenant a liquide pouvant etre chauffe pour vehicule automobile WO2003093080A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2003236777A AU2003236777A1 (en) 2002-04-18 2003-04-22 Heatable liquid container for a motor vehicle
EP03735265A EP1494904A1 (fr) 2002-04-18 2003-04-22 Contenant a liquide pouvant etre chauffe pour vehicule automobile
DE10391856T DE10391856D2 (de) 2002-04-18 2003-04-22 Beheizbarer Flüssigkeitsbehälter für ein Kraftfahrzeug
US10/481,223 US20050036771A1 (en) 2002-04-18 2003-04-22 Heatable liquid container for a motor vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002BZ000020A ITBZ20020020A1 (it) 2002-04-18 2002-04-18 Serbatoio per liquido riscaldabile per veicoli.
ITBZ2002A000020 2002-04-18

Publications (1)

Publication Number Publication Date
WO2003093080A1 true WO2003093080A1 (fr) 2003-11-13

Family

ID=29287857

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/001313 WO2003093080A1 (fr) 2002-04-18 2003-04-22 Contenant a liquide pouvant etre chauffe pour vehicule automobile

Country Status (6)

Country Link
US (1) US20050036771A1 (fr)
EP (1) EP1494904A1 (fr)
AU (1) AU2003236777A1 (fr)
DE (1) DE10391856D2 (fr)
IT (1) ITBZ20020020A1 (fr)
WO (1) WO2003093080A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006971A1 (de) * 2007-02-13 2008-08-14 Hella Kgaa Hueck & Co. Behälter zur Aufnahme eines flüssigen Mediums
EP2080874A2 (fr) 2008-01-18 2009-07-22 DBK David + Baader GmbH Système d'extraction de réservoir à l'aide d'un dispositif de chauffage électrique et fluidique
DE102009041719A1 (de) 2009-09-16 2011-03-17 Daimler Ag Behälteranordnung für ein Fahrzeug

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8206656B2 (en) * 2008-07-30 2012-06-26 Ford Global Technologies, Llc Freezable-liquid dispenser for motor vehicles
WO2014068896A1 (fr) * 2012-10-29 2014-05-08 三洋電機株式会社 Système de batterie sur véhicule

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455411A1 (de) * 1974-11-22 1976-05-26 Gerhard Bender Vorrichtung zur verhinderung des einfrierens einer scheibenwascheinrichtung fuer ein kraftfahrzeug
DE4319920A1 (de) * 1993-06-16 1994-12-22 Harry E Bertrandt Wasserdruck + Heizungseinsatz für Wasch- Wasserbehälter
DE4425214A1 (de) 1994-07-16 1996-01-18 Geiger Plastic Verwaltung Behälter mit Wärmetauscher für eine Scheibenwascheinrichtung
CH686717A5 (de) * 1992-05-11 1996-06-14 Rashpal Bains Thermobehaelter fuer eine Scheibenwaschanlage fuerein Fahrzeug.
US6164564A (en) * 1998-11-06 2000-12-26 Micro-Heat, Inc. Apparatus for cleaning or de-icing a vehicle window
DE10226939A1 (de) 2001-06-29 2003-01-16 Vorwerk Co Interholding Küchengefäß mit einem Heizboden

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808793A (en) * 1986-11-13 1989-02-28 Everhot Corporation Tankless electric water heater with instantaneous hot water output
US5352862A (en) * 1992-11-09 1994-10-04 Five Star Manufacturing Company High wattage surface contact resistance heater
DE19856174A1 (de) * 1998-12-05 2000-06-15 Mannesmann Vdo Ag Scheibenreinigungsanlage für ein Kraftfahrzeug
US6912357B2 (en) * 2002-01-29 2005-06-28 Valeo Electrical Systems, Inc. Fluid heater

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455411A1 (de) * 1974-11-22 1976-05-26 Gerhard Bender Vorrichtung zur verhinderung des einfrierens einer scheibenwascheinrichtung fuer ein kraftfahrzeug
CH686717A5 (de) * 1992-05-11 1996-06-14 Rashpal Bains Thermobehaelter fuer eine Scheibenwaschanlage fuerein Fahrzeug.
DE4319920A1 (de) * 1993-06-16 1994-12-22 Harry E Bertrandt Wasserdruck + Heizungseinsatz für Wasch- Wasserbehälter
DE4425214A1 (de) 1994-07-16 1996-01-18 Geiger Plastic Verwaltung Behälter mit Wärmetauscher für eine Scheibenwascheinrichtung
US6164564A (en) * 1998-11-06 2000-12-26 Micro-Heat, Inc. Apparatus for cleaning or de-icing a vehicle window
DE10226939A1 (de) 2001-06-29 2003-01-16 Vorwerk Co Interholding Küchengefäß mit einem Heizboden

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006971A1 (de) * 2007-02-13 2008-08-14 Hella Kgaa Hueck & Co. Behälter zur Aufnahme eines flüssigen Mediums
DE102007006971B4 (de) * 2007-02-13 2017-02-09 Hella Kgaa Hueck & Co. Behälter zur Aufnahme eines flüssigen Mediums
EP2080874A2 (fr) 2008-01-18 2009-07-22 DBK David + Baader GmbH Système d'extraction de réservoir à l'aide d'un dispositif de chauffage électrique et fluidique
DE102008005196A1 (de) 2008-01-18 2009-07-23 Dbk David + Baader Gmbh Tankentnahmesystem mit elektrischer und fluidischer Heizvorrichtung
US8301020B2 (en) 2008-01-18 2012-10-30 Dbk David + Baader Gmbh Tank withdrawal system with electric and fluidic heating device
DE102009041719A1 (de) 2009-09-16 2011-03-17 Daimler Ag Behälteranordnung für ein Fahrzeug

Also Published As

Publication number Publication date
EP1494904A1 (fr) 2005-01-12
DE10391856D2 (de) 2005-03-10
AU2003236777A1 (en) 2003-11-17
US20050036771A1 (en) 2005-02-17
ITBZ20020020A1 (it) 2003-10-20

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