WO2001074613A1 - Heating system for a motor vehicle - Google Patents
Heating system for a motor vehicle Download PDFInfo
- Publication number
- WO2001074613A1 WO2001074613A1 PCT/EP2001/003762 EP0103762W WO0174613A1 WO 2001074613 A1 WO2001074613 A1 WO 2001074613A1 EP 0103762 W EP0103762 W EP 0103762W WO 0174613 A1 WO0174613 A1 WO 0174613A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heating
- heating system
- heat
- vehicle
- motor vehicle
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
- B60H1/2206—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners controlling the operation of burners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
Definitions
- the present invention relates to a heating system for a motor vehicle.
- a problem with conventional motor vehicle heating systems in which warm air is generated by means of heat exchange with the engine cooling water is that after the engine is started, it takes a certain amount of time until the cooling water has warmed up sufficiently to implement a heating function. Furthermore, in particular with consumption-optimized engines, even when the engine has warmed up, the case may arise that the heat given off by the engine to the cooling water is not sufficient, for example, to implement an adequate heating function at very low outside temperatures.
- the problem of creating a heating system that is at least partially independent of the engine temperature is usually addressed by providing an additional electrical heater or a combustion heater that burns fuel in order to heat air to be conducted into the vehicle interior.
- a heating system is known in which a combustion heater is provided which heats a heat exchanger which is provided upstream of the cooling water heat exchanger in the air flow which is supplied to the vehicle interior. In this way, air to be supplied to the vehicle interior is already preheated by the combustion heater before it enters the cooling water heat exchanger.
- heating systems are known in which an additional electrical heater is arranged downstream of the cooling water heat exchanger in the air supply duct to the interior in order to heat air emerging from the cooling water heat exchanger.
- a disadvantage of these known heating systems is that, on the one hand, the heating power of an individual heating device can only be varied within relatively narrow limits and, on the other hand, the heating power can only be introduced selectively into the coolant system or the heating air.
- This object is achieved according to the invention by a heating system according to claim 1.
- a heating system according to claim 1 it is advantageous that a high flexibility in the spatial distribution and the total amount of the heating power is made possible with simple operability. Furthermore, better efficiency can be achieved than with a single heating module.
- a heating system for a motor vehicle three spatially separate heating modules are provided, namely a blower and burner unit 10 and two electric heaters 12 and 14.
- the burner unit 10 burns fuel or gas to produce hot combustion gases and thereby a plurality of heat exchangers 16 to supply with heat, which are provided in order to heat air that is supplied to the vehicle interior or that is already in the vehicle interior at several separate locations.
- the heat exchangers 16 may serve to coolant to heat in the coolant circuit of the vehicle engine.
- the heat supply from the burner unit 10 to the heat exchangers 16 can take place either directly by supplying the hot combustion gases or indirectly by providing a medium that circulates through the heat exchangers and is heated by the hot combustion gases in order to supply the individual heat exchangers 16 with heat , As indicated in the figure, the heat exchangers 16 can be connected in parallel and / or in series.
- the heat exchangers 16 and the electric heaters 12 and 14 are arranged as close as possible to the points at which the heating heat is to be provided. This can be, for example, the area under the respective vehicle seats or the air entry area into the vehicle interior.
- the electric heaters 12 and 14 can optionally also be provided for heating the coolant.
- the electric heaters 12 and 14 are preferably connected in such a way that electrical energy is only applied to them when the vehicle generator supplies the power required to conserve the vehicle battery.
- the heating modules 10, 12 and 14 are controlled by a common control device 18, wherein the heating power of each heating module 10, 12 and 14 can be controlled individually. In this way, simple operation of the heating system is ensured, but a more flexible control of the heating power and a higher degree of efficiency can be achieved than would be the case if only a single heating module were used.
- the heating system shown in the figure is provided in addition to the conventional vehicle heating system by means of waste heat from the coolant circuit, provided that the vehicle has a coolant-cooled engine.
- the motor vehicle is preferably a car, a commercial vehicle or a camping vehicle.
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a heating system for a motor vehicle which is provided with several interspaced heating modules each having its own device (10, 12, 14) for generating heat, whereby a common control device (18) is provided for controlling the heat output of each heating module.
Description
Heizsystem für ein Kraftfahrzeug Heating system for a motor vehicle
Die vorliegende Erfindung betrifft ein Heizsystem für ein Kraftfahrzeug.The present invention relates to a heating system for a motor vehicle.
Ein Problem bei üblichen Kraftfahrzeug-Heizsystemen, bei welchen Warmluft mittels Wärmeaustausch mit dem Motorkühlwasser erzeugt wird, besteht darin, dass nach dem Starten des Motors ein gewisser Zeitraum erforderlich ist, bis sich das Kühlwasser hinreichend erwärmt hat, um eine Heizungsfunktion zu realisieren. Ferner kann insbesondere bei verbrauchsoptimierten Motoren selbst bei warmgelaufenem Motor der Fall eintreten, dass die vom Motor an das Kühlwasser abgegebene Wärme nicht ausreichend ist, um beispielsweise bei sehr niedrigen Außentemperaturen eine hinreichende Heizungsfunktion zu realisieren.A problem with conventional motor vehicle heating systems in which warm air is generated by means of heat exchange with the engine cooling water is that after the engine is started, it takes a certain amount of time until the cooling water has warmed up sufficiently to implement a heating function. Furthermore, in particular with consumption-optimized engines, even when the engine has warmed up, the case may arise that the heat given off by the engine to the cooling water is not sufficient, for example, to implement an adequate heating function at very low outside temperatures.
Das Problem der Schaffung eines mindestens zum Teil motortemperaturunabhängigen Heizsystems wird üblicherweise mittels des Vorsehens einer elektrischen Zusatzheizung bzw. einer Verbrennungsheizung angegangen, welche Kraftstoff verbrennt, um in den Fahrzeuginnenraum zu leitende Luft zu erwärmen. Aus der DE-PS 975 062 ist ein Heizsystem bekannt, bei welchem ein Verbrennungsheizgerät vorgesehen ist, welches einen Wärmetauscher heizt, welcher stromauf des Kühlwasserwärmetauschers in dem Luftstrom vorgesehen ist, welcher dem Fahrzeuginnenraum zugeführt wird. Auf diese Weise wird dem Fahrzeuginnenraum zuzuführende Luft mittels des Verbrennungsheizgeräts bereits vorgewärmt, bevor sie in den Kühlwasserwärmetauscher eintritt.The problem of creating a heating system that is at least partially independent of the engine temperature is usually addressed by providing an additional electrical heater or a combustion heater that burns fuel in order to heat air to be conducted into the vehicle interior. From DE-PS 975 062 a heating system is known in which a combustion heater is provided which heats a heat exchanger which is provided upstream of the cooling water heat exchanger in the air flow which is supplied to the vehicle interior. In this way, air to be supplied to the vehicle interior is already preheated by the combustion heater before it enters the cooling water heat exchanger.
Aus DE 197 29 899 C1 und DE 37 15 194 sind Heizsysteme bekannt, bei welchen eine elektrische Zusatzheizung stromab des Kühlwasserwärmetauschers im Luftzufuhrkanal zum Innenraum angeordnet ist, um aus dem Kühlwasserwärmetauscher austretende Luft zu erwärmen.
Nachteilig bei diesen bekannten Heizsystemen ist, dass einerseits die Heizleistung eines einzelnen Heizgeräts nur in relativ engen Grenzen variiert werden kann und andererseits die Heizleistung nur punktuell in das Kühlmittelsystem oder die Heizluft eingebracht werden kann.From DE 197 29 899 C1 and DE 37 15 194 heating systems are known in which an additional electrical heater is arranged downstream of the cooling water heat exchanger in the air supply duct to the interior in order to heat air emerging from the cooling water heat exchanger. A disadvantage of these known heating systems is that, on the one hand, the heating power of an individual heating device can only be varied within relatively narrow limits and, on the other hand, the heating power can only be introduced selectively into the coolant system or the heating air.
Es ist Aufgabe der vorliegenden Erfindung, ein Heizsystem für ein Kraftfahrzeug zu schaffen, dessen Heizleistung flexibler gesteuert und besser verteilt werden kann.It is an object of the present invention to provide a heating system for a motor vehicle, the heating power of which can be controlled more flexibly and distributed better.
Diese Aufgabe wird erfindungsgemäß gelöst durch ein Heizsystem gemäß Anspruch 1. Bei dieser erfindungsgemäßen Lösung ist vorteilhaft, dass bei einfacher Bedienbarkeit eine hohe Flexibilität bei der räumlichen Verteilung und dem Gesamtbetrag der Heizleistung ermöglicht wird. Ferner kann ein besserer Wirkungsgrad als bei einem einzigen Heizmodul erzielt werden.This object is achieved according to the invention by a heating system according to claim 1. In this solution according to the invention it is advantageous that a high flexibility in the spatial distribution and the total amount of the heating power is made possible with simple operability. Furthermore, better efficiency can be achieved than with a single heating module.
Bevorzugte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Preferred embodiments of the invention are specified in the subclaims.
Im folgenden wird die Erfindung anhand der beigefügten Zeichnung beispielhaft näher erläutert, welche schematisch den Aufbau eines erfindungsgemäßen Heizsystems zeigt.In the following, the invention is explained in more detail by way of example with reference to the accompanying drawing, which schematically shows the structure of a heating system according to the invention.
Gemäß der einzigen Figur sind bei einem Heizsystem für ein Kraftfahrzeug drei räumlich voneinander getrennte Heizmodule vorgesehen, nämlich eine Gebläse- und Brennereinheit 10 sowie zwei elektrische Heizer 12 und 14. Die Brennereinheit 10 verbrennt Kraftstoff oder Gas, um heiße Verbrennungsgase zu erzeugen und dadurch mehrere Wärmetauscher 16 mit Wärme zu versorgen, welche vorgesehen sind, um dem Fahrzeuginnenraum zugeführte oder bereits im Fahrzeuginnenraum befindliche Luft an mehreren voneinander getrennten Stellen zu erwärmen. Alternativ können zumindest einige der Wärmetauscher 16 dazu dienen, Kühlmittel
im Kühlmittelkreislauf des Fahrzeugmotors zu erwärmen. Die Wärmezufuhr von der Brennereinheit 10 zu den Wärmetauschern 16 kann entweder direkt durch Zuleiten der heißen Verbrennungsgase oder indirekt dadurch erfolgen, dass ein durch die Wärmetauscher zirkulierendes Medium vorgesehen ist, welches von den heißen Verbrennungsgasen erwärmt wird, um die einzelnen Wärmetauscher 16 mit Wärme zu versorgen. Die Wärmetauscher 16 können, wie in der Figur angedeutet, parallel und/oder seriell geschaltet sein. Die Wärmetauscher 16 sowie die elektrischen Heizer 12 und 14 sind möglichst nahe an den Stellen angeordnet, an welchen die Heizwärme bereitgestellt werden soll. Dabei kann es sich beispielsweise um den Bereich unter den jeweiligen Fahrzeugsitzen oder um den Eintrittsbereich der Luft in den Fahrzeuginnenraum handeln. Falls die Wärmetauscher 16 oder ein Teil der Wärmetauscher 16 Kühlmittel im Kühlmittelkreislauf des Fahrzeugmotors erwärmen sollen, sollte auch hier die Platzierung der Wärmetauscher möglichst nahe an den Stellen erfolgen, an denen die Wärmezufuhr am zweckmäßigsten ist. Auch die elektrischen Heizer 12 und 14 können gegebenenfalls zur Kühlmittelbeheizung vorgesehen werden. Vorzugsweise sind die elektrischen Heizer 12 und 14 so beschaltet, dass sie nur dann mit elektrischer Energie beaufschlagt werden, wenn der Fahrzeuggenerator die erforderliche Leistung liefert, um die Fahrzeugbatterie zu schonen.According to the single figure, in a heating system for a motor vehicle, three spatially separate heating modules are provided, namely a blower and burner unit 10 and two electric heaters 12 and 14. The burner unit 10 burns fuel or gas to produce hot combustion gases and thereby a plurality of heat exchangers 16 to supply with heat, which are provided in order to heat air that is supplied to the vehicle interior or that is already in the vehicle interior at several separate locations. Alternatively, at least some of the heat exchangers 16 may serve to coolant to heat in the coolant circuit of the vehicle engine. The heat supply from the burner unit 10 to the heat exchangers 16 can take place either directly by supplying the hot combustion gases or indirectly by providing a medium that circulates through the heat exchangers and is heated by the hot combustion gases in order to supply the individual heat exchangers 16 with heat , As indicated in the figure, the heat exchangers 16 can be connected in parallel and / or in series. The heat exchangers 16 and the electric heaters 12 and 14 are arranged as close as possible to the points at which the heating heat is to be provided. This can be, for example, the area under the respective vehicle seats or the air entry area into the vehicle interior. If the heat exchangers 16 or part of the heat exchangers 16 are to heat coolant in the coolant circuit of the vehicle engine, the placement of the heat exchangers should also take place as close as possible to the points at which the heat supply is most expedient. The electric heaters 12 and 14 can optionally also be provided for heating the coolant. The electric heaters 12 and 14 are preferably connected in such a way that electrical energy is only applied to them when the vehicle generator supplies the power required to conserve the vehicle battery.
Die Heizmodule 10, 12 und 14 werden von einem gemeinsamen Steuergerät 18 gesteuert, wobei die Heizleistung eines jeden Heizmoduls 10, 12 bzw. 14 einzeln gesteuert werden kann. Auf diese Weise wird eine einfache Bedienung des Heizsystems gewährleistet, wobei dennoch eine flexiblere Steuerung der Heizleistung sowie ein höherer Wirkungsgrad erzielbar ist, als dies bei Verwendung nur eines einzelnen Heizmoduis der Fall wäre.The heating modules 10, 12 and 14 are controlled by a common control device 18, wherein the heating power of each heating module 10, 12 and 14 can be controlled individually. In this way, simple operation of the heating system is ensured, but a more flexible control of the heating power and a higher degree of efficiency can be achieved than would be the case if only a single heating module were used.
Es versteht sich, dass das in der Figur gezeigte Heizsystem zusätzlich zu dem üblichen Fahrzeug-Heizsystem mittels Abwärme aus dem Kühlmittelkreislauf vorgesehen ist, sofern das Fahrzeug einen kühlmittelgekühlten Motor aufweist.
Vorzugsweise handelt es sich bei dem Kraftfahrzeug um einen Pkw, ein Nutzfahrzeug oder ein Camping-Fahrzeug.
It goes without saying that the heating system shown in the figure is provided in addition to the conventional vehicle heating system by means of waste heat from the coolant circuit, provided that the vehicle has a coolant-cooled engine. The motor vehicle is preferably a car, a commercial vehicle or a camping vehicle.
Claims
1. Heizsystem für ein Kraftfahrzeug, mit mehreren räumlich voneinander getrennten Heizmodulen, die jeweils eine eigene Einrichtung (10, 12, 14) zum Erzeugen von Wärme aufweisen, wobei ein gemeinsames Steuergerät (18) vorgesehen ist, um die Heizleistung jedes Heizmoduls zu steuern.1. Heating system for a motor vehicle, with a plurality of spatially separate heating modules, each having its own device (10, 12, 14) for generating heat, a common control device (18) being provided to control the heating power of each heating module.
2. Heizsystem gemäß Anspruch 1 , dadurch gekennzeichnet, dass mindestens eines der Heizmodule von einem elektrischen Heizer (12, 14) gebildet wird.2. Heating system according to claim 1, characterized in that at least one of the heating modules is formed by an electric heater (12, 14).
3. Heizsystem gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass mindestens eines der Heizmodule von einer Verbrennungseinrichtung (10) gebildet wird, die Kraftstoff oder Gas verbrennt, um heiße Verbrennungsgase zu erzeugen und mindestens einen Wärmetauscher (16) mit Wärme zu versorgen.3. Heating system according to claim 1 or 2, characterized in that at least one of the heating modules is formed by a combustion device (10) which burns fuel or gas in order to generate hot combustion gases and to supply at least one heat exchanger (16) with heat.
4. Heizsystem gemäß Anspruch 3, dadurch gekennzeichnet, dass die Verbrennungseinrichtung (10) eine Mehrzahl von räumlich voneinander getrennten Wärmetauschern (16) versorgt.4. Heating system according to claim 3, characterized in that the combustion device (10) supplies a plurality of spatially separate heat exchangers (16).
5. Heizsystem gemäß Anspruch 4, dadurch gekennzeichnet, dass die Wärmetauscher (16) möglichst nahe an den Stellen angeordnet sind, an welchen die Heizwärme bereitgestellt werden soll.5. Heating system according to claim 4, characterized in that the heat exchangers (16) are arranged as close as possible to the points at which the heating heat is to be provided.
6. Heizsystem gemäß Anspruch 4 oder 5, dadurch gekennzeichnet, dass jeder Wärmetauscher (16) im Austausch mit dem Fahrzeuginnenraum zuzuführender Luft oder mit Kühlmittel im Kühlmittelkreislauf des Fahrzeugmotors steht. 6. Heating system according to claim 4 or 5, characterized in that each heat exchanger (16) is in exchange with the air to be supplied to the vehicle interior or with coolant in the coolant circuit of the vehicle engine.
7. Heizsystem gemäß Anspruch 3 bis 6, dadurch gekennzeichnet, dass die Verbrennungseinrichtung (10) die Wärmetauscher (16) direkt mit heißen Verbrennungsgasen versorgt.7. Heating system according to claim 3 to 6, characterized in that the combustion device (10) supplies the heat exchanger (16) directly with hot combustion gases.
8. Heizsystem gemäß Anspruch 3 bis 6, dadurch gekennzeichnet, dass die Verbrennungseinrichtung (10) mittels heißer Verbrennungsgase ein zirkulierendes Medium erwärmt, welches die Wärmetauscher (16) mit Wärme versorgt.8. Heating system according to claim 3 to 6, characterized in that the combustion device (10) heats a circulating medium by means of hot combustion gases, which supplies the heat exchanger (16) with heat.
9. Heizsystem gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es sich bei dem Kraftfahrzeug um einen Pkw, ein Nutzfahrzeug oder ein Campingfahrzeug handelt. 9. Heating system according to one of the preceding claims, characterized in that the motor vehicle is a car, a commercial vehicle or a camping vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10016694.6 | 2000-04-04 | ||
| DE10016694A DE10016694C1 (en) | 2000-04-04 | 2000-04-04 | Heating system for motor vehicle has several spatially separate heating modules, each with its own device for generating heat, common controller for controlling heating power of each module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001074613A1 true WO2001074613A1 (en) | 2001-10-11 |
Family
ID=7637529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2001/003762 WO2001074613A1 (en) | 2000-04-04 | 2001-04-03 | Heating system for a motor vehicle |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE10016694C1 (en) |
| WO (1) | WO2001074613A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10222073A1 (en) * | 2002-05-17 | 2003-12-04 | Daimler Chrysler Ag | Heating and / or air conditioning with additional heating |
| DE102013001749A1 (en) * | 2013-01-31 | 2014-07-31 | Volkswagen Aktiengesellschaft | Method and device for selecting one or more heat sources of an interior heating system of a motor vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975062C (en) | 1953-01-01 | 1961-07-27 | Wilhelm Baier K G | Heating and ventilation system for motor vehicles |
| DE3715194A1 (en) | 1987-05-07 | 1988-11-24 | Kromberg & Schubert | Heating arrangement for the passenger compartment of motor vehicles |
| US5299631A (en) * | 1992-01-31 | 1994-04-05 | Valeo Thermique Habitacle | Heating and ventilating apparatus for the cabin of a motor vehicle having a low heat loss motor |
| DE19637020A1 (en) * | 1996-09-12 | 1998-03-26 | Eberspaecher J Gmbh & Co | Fuel powered heater for motor vehicle |
| DE19647935A1 (en) * | 1996-11-20 | 1998-05-28 | Heinrich Schuermann | Electrical interior heating for vehicles, trailers, containers and craft |
| DE19729899C1 (en) | 1997-07-12 | 1998-10-01 | Daimler Benz Ag | Heating- or air-conditioning plant for motor vehicle passenger space with heat-exchanger |
| JPH10309934A (en) * | 1997-05-13 | 1998-11-24 | Nippon Soken Inc | Vehicular heating system |
| US5934073A (en) * | 1997-05-21 | 1999-08-10 | Degussa Aktiengesellschaft | Auxiliary heating for motor vehicles with internal combustion engines |
| DE19922388A1 (en) * | 1998-05-18 | 2000-02-03 | Kurt Michael Desch | Parking and auxiliary heater for motor vehicle has base body and heat exchanger as extruded aluminium section in which are constructed shafts to accommodate inserted catalyser elements |
-
2000
- 2000-04-04 DE DE10016694A patent/DE10016694C1/en not_active Expired - Lifetime
-
2001
- 2001-04-03 WO PCT/EP2001/003762 patent/WO2001074613A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975062C (en) | 1953-01-01 | 1961-07-27 | Wilhelm Baier K G | Heating and ventilation system for motor vehicles |
| DE3715194A1 (en) | 1987-05-07 | 1988-11-24 | Kromberg & Schubert | Heating arrangement for the passenger compartment of motor vehicles |
| US5299631A (en) * | 1992-01-31 | 1994-04-05 | Valeo Thermique Habitacle | Heating and ventilating apparatus for the cabin of a motor vehicle having a low heat loss motor |
| DE19637020A1 (en) * | 1996-09-12 | 1998-03-26 | Eberspaecher J Gmbh & Co | Fuel powered heater for motor vehicle |
| DE19647935A1 (en) * | 1996-11-20 | 1998-05-28 | Heinrich Schuermann | Electrical interior heating for vehicles, trailers, containers and craft |
| JPH10309934A (en) * | 1997-05-13 | 1998-11-24 | Nippon Soken Inc | Vehicular heating system |
| US5934073A (en) * | 1997-05-21 | 1999-08-10 | Degussa Aktiengesellschaft | Auxiliary heating for motor vehicles with internal combustion engines |
| DE19729899C1 (en) | 1997-07-12 | 1998-10-01 | Daimler Benz Ag | Heating- or air-conditioning plant for motor vehicle passenger space with heat-exchanger |
| DE19922388A1 (en) * | 1998-05-18 | 2000-02-03 | Kurt Michael Desch | Parking and auxiliary heater for motor vehicle has base body and heat exchanger as extruded aluminium section in which are constructed shafts to accommodate inserted catalyser elements |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 1999, no. 02 26 February 1999 (1999-02-26) * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10016694C1 (en) | 2001-09-20 |
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