DE102008042856A1 - Ventilation system for passenger car, has control flap arranged in air filter, and outside air duct and recirculation air duct, which end in air supply duct, and another air filter arranged in air supply duct - Google Patents

Ventilation system for passenger car, has control flap arranged in air filter, and outside air duct and recirculation air duct, which end in air supply duct, and another air filter arranged in air supply duct Download PDF

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Publication number
DE102008042856A1
DE102008042856A1 DE102008042856A DE102008042856A DE102008042856A1 DE 102008042856 A1 DE102008042856 A1 DE 102008042856A1 DE 102008042856 A DE102008042856 A DE 102008042856A DE 102008042856 A DE102008042856 A DE 102008042856A DE 102008042856 A1 DE102008042856 A1 DE 102008042856A1
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Prior art keywords
air
duct
filter
air duct
ventilation system
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DE102008042856A
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German (de)
Inventor
Volker Scheer
Rainer Vogt
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Ford Global Technologies LLC
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Ford Global Technologies LLC
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Priority to DE102008042856A priority Critical patent/DE102008042856A1/en
Priority to CN200910161569A priority patent/CN101722816A/en
Publication of DE102008042856A1 publication Critical patent/DE102008042856A1/en
Ceased legal-status Critical Current

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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
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H3/0608—Filter arrangements in the air stream
    • 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
    • B60H1/008—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 the input being air quality
    • 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
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00835—Damper doors, e.g. position control
    • B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside air
    • 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
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H3/0608—Filter arrangements in the air stream
    • B60H3/0625—Filter arrangements in the air stream with provisions for by-passing the filter element
    • 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
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H2003/0683—Filtering the quality of the filter or the air being checked

Abstract

The system (1) has an outside air duct (3) supplying outside air into a vehicle cabin (2). A recirculation air duct (6) supplies interior air from the cabin, and an air supply duct (7) is provided in the vehicle cabin. The air supply duct is provided with a control flap (8) to adjust amount of recirculation air proportional to the amount of outside air. A ventilator (9) is arranged in the control flap, and a cooling and/or heating duct (10) is provided in the system. The outside air and recirculation air ducts end in the supply duct, and an air filter (11) is arranged in the supply duct.

Description

Die Erfindung betrifft ein Kraftfahrzeug-Belüftungssystem, insbesondere für Personenkraftwagen, mit einem Außenluftkanal zum Zuführen von Außenluft in die Fahrzeugkabine, der mit einem Filter und einer steuerbaren Überbrückungsklappe versehen ist, so dass die Außenluft wahlweise gefiltert oder ungefiltert (Bypass Betrieb) angesaugt wird, mit einem Umluftkanal zum Zuführen von Innenluft aus der Fahrzeugkabine, und mit einem Zuluftkanal in die Fahrzeugkabine, der mit einer Steuerklappe versehen ist, um die Umluftmenge im Verhältnis zur Außenluftmenge einzustellen, und in dem ein Lüfter angeordnet ist und eine Abkühl- und Erwärmungsvorrichtung (Klimaanlage) vorgesehen ist, wobei der Außenluftkanal und der Umluftkanal in den Zuluftkanal münden.The Invention relates to a motor vehicle ventilation system, in particular for passenger cars, with an outside air duct for supplying outside air into the vehicle cabin, the one with a filter and a controllable lock-up flap is provided so that the outside air can be filtered or filtered unfiltered (bypass operation) is sucked in, with a recirculation channel for supplying indoor air from the vehicle cabin, and with a supply air duct in the vehicle cabin, with a control flap is provided to the amount of circulating air in relation to the amount of outside air set, and in which a fan is arranged and a cooling and warming device (air conditioning) is provided, wherein the outer air passage and the recirculation passage open into the supply air duct.

Insassen eines Kraftfahrzeugs, insbesondere eines Personenkraftwagens, werden über das Belüftungssystem üblicher Weise der Umgebungsluft ausgesetzt. Im Verkehr ist diese Umgebungsluft mit den Abgasen kontaminiert, so dass die Insassen gegebenenfalls mit hohen Konzentrationen der in den Abgasen enthaltenen Stickoxide, Kohlenmonoxid, Kohlenwasserstoffe, Staub und so weiter belastet werden.inmates a motor vehicle, in particular a passenger car, are about the ventilation system exposed to the usual way the ambient air. In traffic, this ambient air is contaminated with the exhaust gases, so that the occupants may be exposed to high concentrations of nitrogen oxides, carbon monoxide, hydrocarbons contained in the exhaust gases Dust and so on.

Daher ist es in modernen Fahrzeugen üblich Gasfilter und Partikelfilter für diese Luftverunreinigungen in den Belüftungssystemen vorzusehen. Dabei werden auch Luftsensoren vorgesehen, um die Qualität oder Luftgüte zu bestimmen und entsprechend das Fahrzeuginnere mit mehr oder weniger oder gar keiner Außenluft zu versehen. Das vollständige abschließen des Innenraums ist jedoch auf Dauer nicht möglich, da immer Frischluft zugeführt werden muss, oder ein zu hohes Ansteigen der Kohlendioxidkonzentrationen zu vermeiden. Andererseits ist es schwierig, eine gute Filtration der Luft zu erreichen, da immer ein Kompromiss zwischen Filtereffizienz bei kleinem Filter, da die Einbaumaße in Fahrzeugen beschränkt sind, und höheren Luft-Strömungsraten bei kleinem Druckabfall über den Filter gefunden werden muss.Therefore It is common in modern vehicles gas filters and particle filters for these air pollutants in the ventilation systems provided. It also air sensors are provided to the quality or air quality and according to the vehicle interior with more or less or no outside air. The complete completing of the interior is but not possible in the long run, as always supplied fresh air or too high a rise in carbon dioxide levels to avoid. On the other hand, it is difficult to get a good filtration to reach the air, as always a compromise between filter efficiency with a small filter, since the mounting dimensions are limited in vehicles are, and higher air flow rates at lower Pressure drop across the filter must be found.

Aus der DE 24 168 05 A ist eine Einrichtung zur Belüftung des Innenraums eines PKW bekannt. Die Einrichtung umfasst einen Außenluftkanal, der mit einem großvolumigen Filter und einer Steuerklappe versehen ist, so dass die Außenluft wahlweise gefiltert oder ungefiltert (Bypass Betrieb) angesaugt wird. Die Einrichtung umfasst ferner einen Umluftkanal, der ebenfalls mit einem Filter und einer Steuerklappe versehen ist, so dass die Umluftmenge im Verhältnis zur Außenluftmenge einstellbar ist. Beide Kanäle münden in einen Zuluftkanal ins Innere des Fahrzeugs, in dem noch der notwendige Lüfter bzw. das Gebläse angeordnet ist und auch eine Abkühl- und Erwärmungsvorrichtung (Klimaanlage) vorgesehen ist.From the DE 24 168 05 A a device for ventilating the interior of a car is known. The device comprises an outside air duct, which is provided with a large-volume filter and a control flap, so that the outside air is sucked either filtered or unfiltered (bypass operation). The device further comprises a recirculating air channel, which is also provided with a filter and a control flap, so that the circulating air quantity is adjustable in relation to the amount of outside air. Both channels open into a supply air duct into the interior of the vehicle, in which the necessary fan or blower is still arranged and also a cooling and heating device (air conditioning) is provided.

Aus der DE 195 46 550 A1 ist eine Belüftungsvorrichtung für Fahrzeuge bekannt, insbesondere in Verbindung mit einer Heizungs- oder Klimaanlage von Kraftfahrzeugen, das mit einem Gebläse, das eingangsseitig an einem Ansauggehäuse und ausgangsseitig an einem Druckstutzen angeschlossen ist, mit einem im Ansauggehäuse angeordneten Staubfilter, mit einem im Luftstrom stromabwärts des Staubfilters angeordneten Schadstoffilter, mit einem den Schadstoffilter umgehenden Bypass, dessen Bypassöffnung von einer um eine Schwenkachse schwenkbaren Bypassklappe wahlweise verschließ- und freigebbar ist, und mit einer mit dem Fahrzeuginnenraum in Verbindung stehenden Umluftöffnung im Ansauggehäuse, die mit einer um eine Schwenkachse schwenkbaren Umluftklappe wahlweise verschließ- und freigebbar ist, versehen ist. Die Umluftöffnung ist als Besonderheit in Luftströmungsrichtung gesehen, zwischen dem Staubfilter und dem Schadstoffilter angeordnet.From the DE 195 46 550 A1 a ventilation device for vehicles is known, in particular in connection with a heating or air conditioning of motor vehicles, which is connected to a fan, the input side to a suction housing and the output side to a discharge nozzle, with a suction arranged in the dust filter, with a downstream in the air flow Dust filter arranged pollutant filter, with a pollutant bypassing the bypass, the bypass opening of a pivotable about a pivot axis bypass flap is optionally closed and released, and with a communicating with the vehicle interior recirculation opening in the intake, which optionally closes with a pivotable about a pivot axis recirculation damper - and is releasable, is provided. The recirculation opening is seen as a special feature in the air flow direction, disposed between the dust filter and the pollutant filter.

Demgegenüber besteht die Aufgabe der vorliegenden Erfindung daher darin, ein Belüftungssystem für Kraftfahrzeuge, insbesondere Pkw, bereitzustellen, mit denen eine höhere Filtrationseffizienz bei langer Verwendungsdauer der Filter und niedriger Schadstoffkonzentration im Fahrzeuginnenraum erreichbar ist.In contrast, The object of the present invention therefore consists in a Ventilation system for motor vehicles, in particular Passenger cars, with which provide a higher filtration efficiency with long use of the filters and low pollutant concentration can be reached in the vehicle interior.

Diese Aufgabe wird durch das in Anspruch 1 wiedergegebene Belüftungssystem für Kraftfahrzeuge gelöst.These The object is achieved by the recited in claim 1 ventilation system solved for motor vehicles.

Dadurch, dass in dem Zuluftkanal ein weiterer Luftfilter angeordnet ist, ist es möglich, bei normalem Betrieb die Lüftung mit partieller Umluft zu betreiben, d. h. es wird weniger Frischluft angesaugt, womit ein geringerer Durchfluss über den Außenluftzufuhrfilter gewährleistet ist, mit den Vorteilen einer höheren Effizienz für eine Partikelfilterung, insbesondere auch Dieselruß, und Gasen, insbesondere auch Stickoxide, sowie weiterhin einer längeren Filterstandzeit.Thereby, in that a further air filter is arranged in the supply air duct, It is possible, in normal operation, the ventilation operate with partial recirculation, d. H. it gets less fresh air sucked, resulting in a lower flow through the outside air intake filter is guaranteed, with the benefits of a higher Efficiency for particulate filtering, especially Diesel soot, and gases, in particular nitrogen oxides, as well continue a longer filter life.

Bevorzugt ist der weitere Luftfilter in Luftströmungsrichtung hinter dem Lüfter und vor der Abkühl- und Erwärmungsvorrichtung angeordnet. Damit wird ein Verschmutzen der Abkühl- und Erwärmungsvorrichtung durch die Innenluft- und/oder die im Bypass-Betrieb angesaugte Außenluft verhindert.Prefers is the other air filter in the air flow direction behind the fan and before the cooling and heating device arranged. This is a contamination of the cooling and Heating device by the Innenluft- and / or the Outside air sucked in by-pass operation is prevented.

Der Umluftkanal sollte sinnvoller Weise an der Steuerklappe in den Zuluftkanal münden. Auch der Außenluftkanal sollte sinnvoller Weise an der Steuerklappe in den Zuluftkanal münden.Of the Recirculating air duct should make sense on the control flap in the supply air duct lead. The outside air duct should make more sense Open way at the control flap in the supply air duct.

Vorzugsweise ist der Filter im Außenluftkanal ein HE-Filter. Diese sogenannten High Efficiency Filters (HE Filter) weisen eine besonders hohe Filterwirkung auf und können fast alle in der gefilterten Luft vorhandenen Partikel ausfiltern. Bauartbedingt weisen HE-Filter einen hohen Strömungswiderstand auf und/oder benötigen ein großes Einbauvolumen. Beides ist für den Einsatz in Kraftfahrzeugen hinderlich. Mittels des erfinderischen Kraftfahrzeug-Belüftungssystems kann trotzdem ein HE-Filter eingesetzt werden. Da durch den vorhandenen Bypass-Betriebsmodus der HE-Filter für eine geringe Luftmenge ausgelegt werden kann, sind die benötigten Einbaumaße des HE-Filters gering. Im Bypass-Betrieb wird der HE-Filter umgangen, so dass bei Bedarf auch eine hohes Außenluftvolumen in kurzer Zeit angesaugt werden kann. Durch den weiteren Luftfilter wird die Außenluft ausreichend gefiltert, zumindest für kurze Zeit. Im längerfristigen Betrieb wird wieder die Außenluft mit geringem Ansaugvolumen über den HE-Filter angesaugt.Preferably, the filter is in the outside air duct a HE filter. These so-called high efficiency filters (HE filters) have a particularly high filtering effect and can filter out almost all particles present in the filtered air. Due to the design, HE filters have a high flow resistance and / or require a large installation volume. Both are hindering for use in motor vehicles. Nevertheless, an HE filter can be used by means of the inventive motor vehicle ventilation system. Since the HE filter can be designed for a small amount of air due to the existing bypass operating mode, the required installation dimensions of the HE filter are low. In bypass operation, the HE filter is bypassed so that, if required, a high volume of outside air can be sucked in within a short time. The additional air filter sufficiently filters the outside air, at least for a short time. In longer-term operation, the outside air is drawn in again via the HE filter with a low intake volume.

Wenn ein Luftgütesensor in dem Zuluftkanal vorgesehen ist, kann eine verbesserte Umluftklappensteuerung im Zusammenwirken mit einem so genannten Air Quality Sensor (Luftgütesensor) durchgeführt werden. Für Extremsituationen, z. B. für den kurzfristigen Abbau des Scheibenbeschlages, wird die Überbrückungsklappe benötigt, die einen hohen Ansaugluftstrom von Außenluft erlaubt. Der Luftgütesensor ist daher vorteilhafter Weise zur Ansteuerung der Steuerklappe des Umluftkanals ausgebildet.If an air quality sensor is provided in the supply air duct can an improved recirculation damper control in cooperation with a so-called Air Quality Sensor (air quality sensor) performed become. For extreme situations, eg. B. for the short-term Dismantling of the disc fitting, the lock-up flap requires a high intake air flow from outside air allowed. The air quality sensor is therefore advantageous designed for controlling the control flap of the circulating air channel.

Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der einzigen Zeichnung, in der schematisch ein Kraftfahrzeug-Belüftungssystem gezeigt ist.Further Details, features and advantages of the invention will become apparent the following description of an embodiment using the single drawing, in which schematically a motor vehicle ventilation system is shown.

In der Figur ist ein Kraftfahrzeug-Belüftungssystem 1 eines Personenkraftwagens gezeigt, das mit einem Außenluftkanal 3 zum Zuführen von Außenluft in die Fahrzeugkabine 2, der mit einem Filter 4 und einer steuerbaren Überbrückungsklappe 5 versehen ist, so dass die Außenluft wahlweise gefiltert oder ungefiltert (Bypass Betrieb) angesaugt werden kann, versehen ist.In the figure is a motor vehicle ventilation system 1 of a passenger car, with an outside air duct 3 for supplying outside air into the vehicle cabin 2 that with a filter 4 and a controllable lock-up flap 5 is provided so that the outside air can be either filtered or filtered unfiltered (bypass operation) is provided.

Das Kraftfahrzeug-Belüftungssystem 1 umfasst ferner einen Umluftkanal 6 zum Zuführen von Innenluft aus der Fahrzeugkabine 2 und einen Zuluftkanal 7, der in die Fahrzeugkabine 2 führt, der mit einer Steuerklappe 8 versehen ist, um die Umluftmenge im Verhältnis zur Außenluftmenge einzustellen. Im Zuluftkanal 7 sind ferner ein Lüfter 9, ein weiterer Luftfilter 11 und eine Abkühl- und Erwärmungsvorrichtung (Klimaanlage) 10 vorgesehen.The automotive ventilation system 1 further comprises a recirculating air duct 6 for supplying indoor air from the vehicle cabin 2 and a supply air duct 7 in the vehicle cabin 2 that leads with a control flap 8th is provided to adjust the amount of circulating air in proportion to the amount of outside air. In the supply air duct 7 are also a fan 9 , another air filter 11 and a cooling and warming device (air conditioning) 10 intended.

Der weitere Luftfilter 11 ist dabei in Luftströmungsrichtung hinter dem Lüfter 9 und vor der Abkühl- und Erwärmungsvorrichtung 10 angeordnet. Sowohl der Umluftkanal 6 als auch der Außenluftkanal 3 münden an der Steuerklappe 8 in den Zuluftkanal 7. Der Filter 4 im Außenluftkanal ist ein HE-Filter.The other air filter 11 is in the air flow direction behind the fan 9 and before the cooling and heating device 10 arranged. Both the recirculation channel 6 as well as the outside air duct 3 lead to the control flap 8th in the supply air duct 7 , The filter 4 in the outside air duct is an HE filter.

Zusätzlich ist ein Luftgütesensor 12 in dem Zuluftkanal 3 vor der Überbrückungklappe 5 vorgesehen, die zur Ansteuerung der Steuerklappe 8 ausgebildet ist. Somit ist es nun möglich, sowohl eine gute Filtrierung der Gase und Partikel aus der Luft zu erreichen und gleichzeitig die Qualität oder Luftgüte zu bestimmen und entsprechend das Fahrzeuginnere mit mehr oder weniger oder gar keiner Außenluft zu versehen. So können die Insassen des Personenkraftwagens über das Belüftungssystem einer geringeren Menge Luftverunreinigungen und schädliche Gasen ausgesetzt werden.In addition, an air quality sensor 12 in the supply air duct 3 in front of the lock-up flap 5 intended to control the control flap 8th is trained. Thus, it is now possible to achieve both a good filtration of the gases and particles from the air and at the same time to determine the quality or air quality and accordingly to provide the vehicle interior with more or less or no outside air. Thus, the occupants of the passenger car can be exposed through the ventilation system of a smaller amount of air pollution and harmful gases.

11
Kraftfahrzeug-BelüftungssystemMotor vehicle ventilation system
22
Fahrzeugkabinecabin
33
AußenluftkanalOutdoor air duct
44
Filterfilter
55
Überbrückungsklappebridging flap
66
Umluftkanalreturn air duct
77
Zuluftkanalsupply air duct
88th
Steuerklappecontrol flap
99
LüfterFan
1010
Abkühl- und Erwärmungsvorrichtung (Klimaanlage)cooling and warming device (air conditioning)
1111
Luftfilterair filter
1212
LuftgütesensorAir quality sensor

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • - DE 2416805 A [0004] - DE 2416805 A [0004]
  • - DE 19546550 A1 [0005] - DE 19546550 A1 [0005]

Claims (7)

Kraftfahrzeug-Belüftungssystem, insbesondere für Personenkraftwagen, mit einem Außenluftkanal (3) zum Zuführen von Außenluft in die Fahrzeugkabine (2), der mit einem Filter (4) und einer steuerbaren Überbrückungsklappe (5) versehen ist, so dass die Außenluft wahlweise gefiltert oder ungefiltert (Bypass-Betrieb) angesaugt wird, mit einem Umluftkanal (6) zum Zuführen von Innenluft aus der Fahrzeugkabine (2), und mit einem Zuluftkanal (7) in die Fahrzeugkabine (2), der mit einer Steuerklappe (8) versehen ist, um die Umluftmenge im Verhältnis zur Außenluftmenge einzustellen, und in dem ein Lüfter (9) angeordnet ist und eine Abkühl- und Erwärmungsvorrichtung (10) vorgesehen ist, wobei der Außenluftkanal (3) und der Umluftkanal (6) in den Zuluftkanal (7) münden, dadurch gekennzeichnet, dass im Zuluftkanal (7) ein weiterer Luftfilter (11) angeordnet ist.Motor vehicle ventilation system, in particular for passenger cars, having an outside air duct ( 3 ) for supplying outside air into the vehicle cabin ( 2 ), with a filter ( 4 ) and a controllable lock-up flap ( 5 ), so that the outside air is sucked either filtered or unfiltered (bypass operation), with a recirculation channel ( 6 ) for supplying indoor air from the vehicle cabin ( 2 ), and with a supply air duct ( 7 ) in the vehicle cabin ( 2 ), which is equipped with a control flap ( 8th ) to adjust the amount of circulating air in relation to the amount of outside air, and in which a fan ( 9 ) and a cooling and heating device ( 10 ) is provided, wherein the outside air duct ( 3 ) and the recirculating air duct ( 6 ) in the supply air duct ( 7 ), characterized in that in the supply air duct ( 7 ) another air filter ( 11 ) is arranged. Kraftfahrzeug-Belüftungssystem nach Anspruch 1, dadurch gekennzeichnet, dass der weitere Luftfilter (11) in Luftströmungsrichtung hinter dem Lüfter (9) und vor der Abkühl- und Erwärmungsvorrichtung (10) angeordnet ist.Motor vehicle ventilation system according to claim 1, characterized in that the further air filter ( 11 ) in the air flow direction behind the fan ( 9 ) and before the cooling and heating device ( 10 ) is arranged. Kraftfahrzeug-Belüftungssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Umluftkanal (6) an der Steuerklappe (8) in den Zuluftkanal mündet.Motor vehicle ventilation system according to claim 1 or 2, characterized in that the recirculating air duct ( 6 ) on the control flap ( 8th ) opens into the supply air duct. Kraftfahrzeug-Belüftungssystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Außenluftkanal (3) an der Steuerklappe (8) in den Zuluftkanal (7) mündet.Motor vehicle ventilation system according to one of claims 1 to 3, characterized in that the outside air duct ( 3 ) on the control flap ( 8th ) in the supply air duct ( 7 ) opens. Kraftfahrzeug-Belüftungssystem nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Filter (4) im Außenluftkanal (3) ein HE-Filter ist.Automotive ventilation system according to one of claims 1 to 4, characterized in that the filter ( 4 ) in the outside air duct ( 3 ) is an HE filter. Kraftfahrzeug-Belüftungssystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass ein Luftgütesensor (12) im Zuluftkanal (7) vorgesehen ist.Motor vehicle ventilation system according to one of claims 1 to 5, characterized in that an air quality sensor ( 12 ) in the supply air duct ( 7 ) is provided. Kraftfahrzeug-Belüftungssystem nach Anspruch 6, dadurch gekennzeichnet, dass der Luftgütesensor (12) zur Ansteuerung der Steuerklappe (8) ausgebildet ist.Motor vehicle ventilation system according to claim 6, characterized in that the air quality sensor ( 12 ) for controlling the control flap ( 8th ) is trained.
DE102008042856A 2008-10-15 2008-10-15 Ventilation system for passenger car, has control flap arranged in air filter, and outside air duct and recirculation air duct, which end in air supply duct, and another air filter arranged in air supply duct Ceased DE102008042856A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102008042856A DE102008042856A1 (en) 2008-10-15 2008-10-15 Ventilation system for passenger car, has control flap arranged in air filter, and outside air duct and recirculation air duct, which end in air supply duct, and another air filter arranged in air supply duct
CN200910161569A CN101722816A (en) 2008-10-15 2009-08-04 Automotive ventilation system

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Application Number Priority Date Filing Date Title
DE102008042856A DE102008042856A1 (en) 2008-10-15 2008-10-15 Ventilation system for passenger car, has control flap arranged in air filter, and outside air duct and recirculation air duct, which end in air supply duct, and another air filter arranged in air supply duct

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DE102008042856A1 true DE102008042856A1 (en) 2010-04-22

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CN (1) CN101722816A (en)
DE (1) DE102008042856A1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
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FR3052235A1 (en) * 2016-06-03 2017-12-08 Peugeot Citroen Automobiles Sa DEVICE AND METHOD FOR CONTROLLING PARAMETERS OF AIR DEPOLLUTION MEANS OF AN ENCLOSURE
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