DE3526462A1 - Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle - Google Patents

Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle

Info

Publication number
DE3526462A1
DE3526462A1 DE19853526462 DE3526462A DE3526462A1 DE 3526462 A1 DE3526462 A1 DE 3526462A1 DE 19853526462 DE19853526462 DE 19853526462 DE 3526462 A DE3526462 A DE 3526462A DE 3526462 A1 DE3526462 A1 DE 3526462A1
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Germany
Prior art keywords
vehicle
outside
air
sensor
signal
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.)
Granted
Application number
DE19853526462
Other languages
German (de)
Inventor
Heinz Dipl Ing Hoelter
Heinrich Dipl Ing Igelbuescher
Heinrich Ing Grad Gresch
Heribert Dipl Ing Dewert
Hanns Ing Grad Rump
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19843422778 external-priority patent/DE3422778A1/en
Priority claimed from DE19843446082 external-priority patent/DE3446082A1/en
Application filed by Individual filed Critical Individual
Priority to DE19853526462 priority Critical patent/DE3526462A1/en
Publication of DE3526462A1 publication Critical patent/DE3526462A1/en
Granted legal-status Critical Current

Links

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
    • B60H1/00642—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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • B60H3/0085—Smell or pollution preventing arrangements
    • 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
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H2003/0683—Filtering the quality of the filter or the air being checked

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention describes further design possibilities for sensor-controlled ventilation possibilities for vehicle interior cabins with the aim of optimizing the air quality in the vehicle interior by selective control of the flaps.

Description

In der Anmeldung P 34 22 778.4 wird ein Verfahren und eine Vorrichtung angegeben mit dem Zweck, die Schadstoffe in der Atemluft im Fahrzeuginnenraum zu verkleinern.In the application P 34 22 778.4 there is a procedure and a device specified with the purpose of Pollutants in the breathing air in the vehicle interior too downsize.

Erfindungsgemäß erfolgt das, indem ein schadstoffempfindlicher Sensor stets die Außenluft überwacht und mit Hilfe einer nachgeschalteten Auswerte- und Steuerelektronik insbesondere den Fahrzeugventilator dann abschaltet, wenn die Schadstoffkonzentrationen außen gesundheitsschädliche Werte annehmen.According to the invention, this is done by a sensitive to pollutants Sensor always monitors the outside air and with the help of a downstream evaluation and Control electronics in particular the vehicle fan then turns off when the pollutant concentrations assume harmful values outside.

Durch diese Maßnahme wird verhindert, daß schadstoffbefrachtete Luft weiter ins Fahrzeuginnere geleitet wird.This measure prevents pollutants  Air directed into the vehicle interior becomes.

In einer weiteren Ausgestaltung wird in der Anmeldung P 34 31 372.9 beschrieben, daß das Sensorsignal auf die Steuerung der sogenannten Umluftklappe im Fahrzeug dergestalt einwirkt, daß bei erhöhten Schadstoffkonzentrationen die Außenluftzufuhr unterbunden wird.In a further embodiment, the Application P 34 31 372.9 described, that the sensor signal on the control of the so-called Air circulation flap acts in the vehicle in such a way that with increased pollutant concentrations the outside air supply is prevented.

Weiter ist in P 34 31 372.9 vorgeschlagen, automatisch dafür zu sorgen, daß bei erhöhter Schadstoffbelastung außerhalb des Fahrzeuges automatisch und servo-elektrisch das Schiebedach und die Fenster geschlossen werden.It is also proposed in P 34 31 372.9 to automatically ensure that with increased pollution outside the vehicle automatically and servo-electric the sunroof and the windows getting closed.

Um bei langandauernder Konzentration der Schadstoffe zu verhindern, daß die Innenluft des Fahrzeuges sich auf Dauer verbraucht, ist in P 34 46 082.9 vorgeschlagen, die Frischluftzufuhr nach Ablauf einer frei wählbaren, vorgegebenen Zeit zwangsweise zu ermöglichen. To with long-lasting concentration of pollutants to prevent the inside air of the vehicle used in the long term is suggested in P 34 46 082.9, the fresh air supply after a freely selectable, predetermined time enable.  

Es hat sich jedoch gezeigt, daß durch verschiedene Einflußgrößen wie Anzahl der Fahrzeuginsassen, Undichtigkeiten der Karosserie, Fahrtgeschwindigkeit diese Zeiträume sehr stark variabel sind.However, it has been shown that through various Influencing factors such as the number of vehicle occupants, Body leaks, driving speed these periods are very variable.

Außerdem hat sich gezeigt, daß nicht ausgeschlossen werden kann, daß die Zeit ausgerechnet dann abläuft, wenn das Fahrzeug sich im Bereich einer besonders intensiven Schadstoffzone befindet.It has also been shown that not excluded can be that the time runs out of all times if the vehicle is in the area of a particular intensive pollution zone.

Aus diesem Grunde wird erfindungsgemäß vorgeschlagen, daß zusätzlich zum außerhalb des Fahrzeuges angebrachten Sensor sich ein weiterer Sensor im Fahrzeuginnenraum befindet.For this reason, the invention proposes that in addition to being mounted outside the vehicle Sensor is another sensor in the vehicle interior located.

Erfindungsgemäß arbeitet der Außenluftsensor wie folgt:
Bei Überschreiten eines frei wählbaren Schadstoffpegels werden die Umluftklappen (Frischluftklappen) entweder auf Umluft (100%) geschaltet, bzw. zumindest geschlossen. According to the invention, the outside air sensor works as follows:
If a freely selectable pollutant level is exceeded, the air recirculation flaps (fresh air flaps) are either switched to air recirculation (100%) or at least closed.

Diese Maßnahme kann ergänzt werden durch einen Schaltimpuls auf Schiebedach und Außenfenster.This measure can be supplemented by a Switching impulse on the sunroof and outside window.

Selbstverständlich ist erfindungsgemäß an alle verschließbaren Öffnungen gedacht.Of course, according to the invention to everyone closable openings.

Der Innenraumsensor soll erfindungsgemäß die Luftgüte im Inneren des Fahrzeuges überwachen und ist demzufolge an einem Ort angebracht, der als repräsentativ für die Qualität der Luft im Innenraum zu gelten hat.According to the invention, the interior sensor is intended to be the air quality monitor inside the vehicle and is consequently placed in a place that is representative apply to the quality of the air in the interior Has.

Ist der Alarmvorgang ausgelöst, d. h. der Schadstoffpegel der Außenluft hat einen vorgegebenen Wert überschritten, wird der Wert des Innenraumsensors logisch mit dem Wert verglichen, den der Außenluftsensor angibt. Wird die Luftgüte im Fahrzeuginneren schlechter als die Luftgüte außerhalb des Fahrzeuges, wird der Vorgang reversiert, d. h. die Klappen werden auf Außenluftzufuhr geschaltet. If the alarm process is triggered, i. H. the pollutant level the outside air has exceeded a predetermined value, the value of the indoor sensor becomes logical compared with the value that the outdoor air sensor indicates. If the air quality inside the vehicle becomes worse than the air quality outside the vehicle, the Process reversed, d. H. the flaps will open Outside air supply switched.  

Zusätzlich wird erfindungsgemäß vorgeschlagen, den Fahrzeugventilator nach dem Öffnen der Klappen für eine frei wählbare, begrenzte Zeit auf volle Leistung zu schalten, um möglichst schnell die Luft im Fahrzeuginneren auszutauschen. Die Nachlaufzeit richtet sich nach der Größe der Fahrzeugkabine.In addition, the invention proposes that Vehicle fan after opening the flaps for a freely selectable, limited time to full Switch power to get the air out as quickly as possible to be exchanged inside the vehicle. The run-on time depends on the size of the vehicle cabin.

Weiter hat die Erfahrung gezeigt, daß bei stehendem Fahrzeug, insbesondere durch Verdampfen von Kraftstoff etc. sich bei großer Wärme schädliche und geruchsbelästigende Kohlenwasserstoffdämpfe im Fahrzeuginnenraum bilden können.Experience has also shown that when standing Vehicle, in particular by evaporating fuel etc. harmful and high heat odorous hydrocarbon vapors in the Can form vehicle interior.

Erfindungsgemäß wird daher vorgeschlagen, den Vergleich von Außenluft und Innenluft durch die beiden Sensoren auch bei stehendem und abgestelltem Fahrzeug permanent zu betreiben und bei Erreichen hoher Schadstoffkonzentrationen intervallweise den Lüfter zu betätigen. Auf diese Weise kann, insbesondere bei Kurzhalt, gesichert werden, daß die Fahrzeuginsassen ein erträglich belüftetes Fahrzeug besteigen. According to the invention it is therefore proposed that Comparison of outside air and inside air by the both sensors, even when the sensor is stationary and switched off To operate the vehicle permanently and at Reaching high concentrations of pollutants at intervals to operate the fan. In this way, especially in the case of short stops, be ensured that the vehicle occupants climb a tolerably ventilated vehicle.  

Selbstverständlich ist die Erfindung nicht auf die vorstehend im einzelnen beschriebenen Ausbildungsformen beschränkt, sondern es sind zahlreiche Abänderungen und Ergänzungen möglich, ohne jedoch von dem Grundgedanken der Erfindung abzuweichen, die Frischluftzufuhr in Abhängigkeit von der Qualität der Außenluft zu steuern, das Rückschalten in Abhängigkeit von der Qualität der Innenluft unter Berücksichtigung der Qualität der Außenluft zu steuern und durch Verwenden des Innensensors die Konzentration von Schadgasen bei Parkaufenthalt im Fahrzeuginneren zu unterbinden.Of course, the invention is not limited to that Forms of training described above in detail limited, but there are numerous changes and additions possible, but without to deviate from the basic idea of the invention, the fresh air supply depending on the Control the quality of the outside air, the downshift depending on the quality of the Indoor air considering the quality of the Control outside air and by using the indoor sensor the concentration of harmful gases when parked to prevent inside the vehicle.

Claims (5)

Anspruch 1
Apparat und Verfahren zur gesteuerten Zuführung von Außenluft in Fahrzeugkabinen in Abhängigkeit vom Schadstoffgehalt der Außenluft, dadurch gekennzeichnet, daß bei erhöhtem Schadstoffpegel ein vom Sensor initiiertes Signal die Frischluftzufuhr von außen unterbindet, indem insbesondere servo-elektrisch bzw. servo-pneumatisch die Eintrittsöffnungen für Frischluft geschlossen werden.Claim 1
Apparatus and method for the controlled supply of outside air in vehicle cabins as a function of the pollutant content of the outside air, characterized in that when the pollutant level is increased, a signal initiated by the sensor prevents the supply of fresh air from the outside, in particular by servo-electric or servo-pneumatic closing the inlet openings for fresh air will. Anspruch 2
Apparat und Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die nach Anspruch 1 beschriebene Verschließung der Eintrittsöffnungen vom Signal eines Sensors abhängig gemacht wird, der im Fahrzeuginnenraum angebracht ist, und dessen Signal mit dem Signal des Außensensors derart verglichen wird, daß ein Rücksetzvorgang erst dann möglich wird, wenn der Schadstoffgehalt im Fahrzeuginnenraum größer ist als der außerhalb des Fahrzeuges.Claim 2
Apparatus and method according to Claim 1, characterized in that the closure of the inlet openings described in accordance with Claim 1 is made dependent on the signal from a sensor which is mounted in the vehicle interior, and the signal of which is compared with the signal from the outside sensor in such a way that a reset process takes place only then becomes possible if the pollutant content in the vehicle interior is greater than that outside the vehicle. Anspruch 3
Apparat und Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß schaltungstechnisch nach Öffnen der Frischluftzufuhr der Förderventilator auf maximale Leistung gestellt wird.Claim 3
Apparatus and method according to claims 1 and 2, characterized in that, in terms of circuitry, the feed fan is set to maximum output after opening the fresh air supply. Anspruch 4
Apparat und Verfahren nach Anspruch 1-3, dadurch gekennzeichnet, daß bei abgestelltem Fahrzeug eine Schaltung aktivierbar ist, derzufolge bei hohen Schadstoffansammlungen im Fahrzeuginnenraum im Vergleich zur Luftqualität außerhalb des Fahrzeuges intervallartig der Ventilator bei abgestelltem Fahrzeug automatisch eingeschaltet wird. Diese Funktion ist zuschaltbar.Claim 4
Apparatus and method according to Claims 1-3, characterized in that a circuit can be activated when the vehicle is parked, so that when the pollutant is high in the vehicle interior, the fan is automatically switched on at intervals compared to the air quality outside the vehicle when the vehicle is parked. This function can be activated. Anspruch 5
Apparat und Verfahren nach Anspruch 1-4, dadurch gekennzeichnet, daß der Vorgang, wie unter Anspruch 4 beschrieben, dann außerkraftgesetzt wird und auch die Sensoren ausgeschaltet werden, wenn die Batteriespannung einen einstellbaren Wert unterschreitet mit dem Ziel, eine unzulässige Entladungstiefe der Batterie zu verhindern.Claim 5
Apparatus and method according to claims 1-4, characterized in that the process, as described in claim 4, is then overridden and the sensors are also switched off when the battery voltage falls below an adjustable value with the aim of preventing an inadmissible discharge depth of the battery .
DE19853526462 1984-06-20 1985-07-24 Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle Granted DE3526462A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853526462 DE3526462A1 (en) 1984-06-20 1985-07-24 Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19843422778 DE3422778A1 (en) 1984-06-20 1984-06-20 Method and device for reducing pollutants in the motor vehicle interior
DE19843446082 DE3446082A1 (en) 1984-06-20 1984-12-18 Process for controlling fresh-air flaps in vehicle cabins
DE19853526462 DE3526462A1 (en) 1984-06-20 1985-07-24 Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle

Publications (1)

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DE3526462A1 true DE3526462A1 (en) 1987-01-29

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DE19853526462 Granted DE3526462A1 (en) 1984-06-20 1985-07-24 Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742024A1 (en) * 1987-12-11 1989-06-22 Hoelter Heinz Device for the sensor-controlled partitioning off of vehicle interiors by reversing the direction of rotation of the fan when increased pollutant concentrations are sensed outside the vehicle
DE3806307A1 (en) * 1988-02-27 1989-09-14 Bosch Gmbh Robert REDUCTION OF POLLUTANTS IN THE VEHICLE INTERIOR
DE3813548A1 (en) * 1988-04-22 1989-11-09 Daimler Benz Ag Ventilation device, in particular a heating or air-conditioning system, for the interior of a vehicle, in particular motor vehicle
EP0386495A2 (en) * 1989-03-04 1990-09-12 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle with a security system
DE4014499A1 (en) * 1990-05-07 1991-11-14 Webasto Ag Fahrzeugtechnik Engine-independent vehicular heater responsive to air compsn. - incorporates controller for maintenance of safe levels of concn. as well as regulation of temp.
DE4015026A1 (en) * 1990-05-10 1991-11-14 Priesemuth W Vehicular ventilation system with variable cross=section filter - pivoted about axis in fresh air inlet by vacuum actuator controlled by pollution detectors
EP0501127A2 (en) * 1991-02-27 1992-09-02 Mercedes-Benz Ag Ventilation control device of a passenger compartment in particular for motor vehicles
DE4105724A1 (en) * 1991-02-23 1992-09-10 Daimler Benz Ag VENTILATION DEVICE FOR THE INTERIOR OF A VEHICLE, IN PARTICULAR HEATING OR AIR CONDITIONING FOR A MOTOR VEHICLE
FR2691678A1 (en) * 1992-05-26 1993-12-03 Bosch Gmbh Robert A method of controlling a ventilation system of the passenger compartment of a motor vehicle, according to at least one switching threshold of the concentration of harmful components.
FR2691677A1 (en) * 1992-05-26 1993-12-03 Bosch Gmbh Robert A method of controlling a ventilation device of the interior of a motor vehicle, depending on the pollutant concentrations of the outside air and the interior.
DE19509495C1 (en) * 1995-03-16 1996-04-04 Daimler Benz Ag Ventilation control for motor vehicle interior
DE10254496A1 (en) * 2002-11-22 2004-06-09 Bayerische Motoren Werke Ag Process for combating odors and / or pollutants in the vehicle interior
DE10355827B3 (en) * 2003-11-28 2004-12-09 Adam Opel Ag Motor vehicle with at least one ventilation channel has circulation air flap moved from closed to open position when wheel movement condition detected with reverse gear engaged
DE10355824A1 (en) * 2003-11-28 2005-06-30 Adam Opel Ag Ventilating arrangement for the interior of a motor vehicle has a control unit that switches the ventilation to recirculation during startup and driving off of the vehicle
FR2872195A1 (en) * 2004-06-29 2005-12-30 Dav Sa Motorized closing device for e.g. sunroof, has pollution sensor connected to control module for closing opening frames of motor vehicle when level of detected pollutants exceeds predetermined threshold
DE102006046983A1 (en) * 2006-10-04 2008-04-10 Siemens Ag Method for operating an internal combustion engine, apparatus for obtaining thermal energy and motor vehicle
US7521018B2 (en) 2003-12-20 2009-04-21 Robert Bosch Gmbh Device and method for detecting harmful gases using a carbon dioxide sensor
CN103726738A (en) * 2013-11-18 2014-04-16 青岛盛嘉信息科技有限公司 Method for automatically controlling vehicle window
DE102016002804A1 (en) 2016-03-08 2016-08-18 Daimler Ag Method for operating a motor vehicle
GB2543936A (en) * 2015-10-20 2017-05-03 Ibm Intelligent automotive air-quality assessment and management
CN108162717A (en) * 2018-01-04 2018-06-15 东北大学 A kind of new-energy automobile vehicle-mounted air purification system and control method
US20180319256A1 (en) * 2017-05-05 2018-11-08 Carl Freudenberg Kg Ventilation system in a mobile structure and method for operating a ventilation system in a mobile structure

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JPS598518A (en) * 1982-07-07 1984-01-17 Nippon Denso Co Ltd Controller of car air conditioner
JPS59167312A (en) * 1983-03-15 1984-09-20 Yazaki Corp Compartment air purifying system
US4478049A (en) * 1981-09-15 1984-10-23 Nippondenso Co., Ltd. Air-conditioning control for a motor vehicle

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Publication number Priority date Publication date Assignee Title
DE2634713A1 (en) * 1976-08-02 1978-02-09 Kaessbohrer Fahrzeug Karl Bus interior heating and ventilating system - has manually controlled air supply to drivers cab separate from that to passengers compartment which is controlled by thermostatic valve
DE2817297A1 (en) * 1978-04-20 1979-10-31 Rockwell Golde Gmbh ARRANGEMENT FOR GENERATING POSITIONING MOVEMENTS ON VEHICLE VENTILATION DEVICES
US4478049A (en) * 1981-09-15 1984-10-23 Nippondenso Co., Ltd. Air-conditioning control for a motor vehicle
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Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742024A1 (en) * 1987-12-11 1989-06-22 Hoelter Heinz Device for the sensor-controlled partitioning off of vehicle interiors by reversing the direction of rotation of the fan when increased pollutant concentrations are sensed outside the vehicle
DE3806307A1 (en) * 1988-02-27 1989-09-14 Bosch Gmbh Robert REDUCTION OF POLLUTANTS IN THE VEHICLE INTERIOR
DE3813548A1 (en) * 1988-04-22 1989-11-09 Daimler Benz Ag Ventilation device, in particular a heating or air-conditioning system, for the interior of a vehicle, in particular motor vehicle
EP0386495A2 (en) * 1989-03-04 1990-09-12 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle with a security system
DE3907049A1 (en) * 1989-03-04 1990-09-13 Bayerische Motoren Werke Ag VEHICLE WITH A SECURITY SYSTEM
EP0386495A3 (en) * 1989-03-04 1991-07-31 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle with a security system
DE4014499A1 (en) * 1990-05-07 1991-11-14 Webasto Ag Fahrzeugtechnik Engine-independent vehicular heater responsive to air compsn. - incorporates controller for maintenance of safe levels of concn. as well as regulation of temp.
DE4015026A1 (en) * 1990-05-10 1991-11-14 Priesemuth W Vehicular ventilation system with variable cross=section filter - pivoted about axis in fresh air inlet by vacuum actuator controlled by pollution detectors
US5256103A (en) * 1991-02-23 1993-10-26 Mercedes-Benz Ag Ventilation arrangement for the interior of a vehicle, in particular a heating and/or air-conditioning unit for a motor vehicle
DE4105724A1 (en) * 1991-02-23 1992-09-10 Daimler Benz Ag VENTILATION DEVICE FOR THE INTERIOR OF A VEHICLE, IN PARTICULAR HEATING OR AIR CONDITIONING FOR A MOTOR VEHICLE
EP0501127A2 (en) * 1991-02-27 1992-09-02 Mercedes-Benz Ag Ventilation control device of a passenger compartment in particular for motor vehicles
US5259813A (en) * 1991-02-27 1993-11-09 Mercedes-Benz Ag Device for controlling the ventilation of an internal space, particularly in motor vehicles
EP0501127A3 (en) * 1991-02-27 1994-07-20 Daimler Benz Ag Ventilation control device of a passenger compartment in particular for motor vehicles
FR2691678A1 (en) * 1992-05-26 1993-12-03 Bosch Gmbh Robert A method of controlling a ventilation system of the passenger compartment of a motor vehicle, according to at least one switching threshold of the concentration of harmful components.
FR2691677A1 (en) * 1992-05-26 1993-12-03 Bosch Gmbh Robert A method of controlling a ventilation device of the interior of a motor vehicle, depending on the pollutant concentrations of the outside air and the interior.
DE19509495C1 (en) * 1995-03-16 1996-04-04 Daimler Benz Ag Ventilation control for motor vehicle interior
DE10254496A1 (en) * 2002-11-22 2004-06-09 Bayerische Motoren Werke Ag Process for combating odors and / or pollutants in the vehicle interior
EP1422089A3 (en) * 2002-11-22 2004-09-22 Bayerische Motoren Werke Aktiengesellschaft Method for preventing odours and/or pollutants in the passenger compartment of a vehicle
DE10254496B4 (en) * 2002-11-22 2007-07-19 Bayerische Motoren Werke Ag A method for controlling odors and / or pollutants in the vehicle interior
DE10355827B3 (en) * 2003-11-28 2004-12-09 Adam Opel Ag Motor vehicle with at least one ventilation channel has circulation air flap moved from closed to open position when wheel movement condition detected with reverse gear engaged
DE10355824A1 (en) * 2003-11-28 2005-06-30 Adam Opel Ag Ventilating arrangement for the interior of a motor vehicle has a control unit that switches the ventilation to recirculation during startup and driving off of the vehicle
DE10355824B4 (en) * 2003-11-28 2008-02-21 Adam Opel Ag Ventilation device for an interior of a motor vehicle
US7521018B2 (en) 2003-12-20 2009-04-21 Robert Bosch Gmbh Device and method for detecting harmful gases using a carbon dioxide sensor
EP1621714A1 (en) * 2004-06-29 2006-02-01 Dav Motorised closing device for vehicle closures, in particular open roof and window raiser
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