WO2024088632A1 - Dispositif de ventilation pour l'intérieur d'un véhicule - Google Patents

Dispositif de ventilation pour l'intérieur d'un véhicule Download PDF

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Publication number
WO2024088632A1
WO2024088632A1 PCT/EP2023/074597 EP2023074597W WO2024088632A1 WO 2024088632 A1 WO2024088632 A1 WO 2024088632A1 EP 2023074597 W EP2023074597 W EP 2023074597W WO 2024088632 A1 WO2024088632 A1 WO 2024088632A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air flow
air outlet
outlet opening
ventilation device
Prior art date
Application number
PCT/EP2023/074597
Other languages
German (de)
English (en)
Inventor
Joachim Currle
Original Assignee
Mercedes-Benz Group AG
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 Mercedes-Benz Group AG filed Critical Mercedes-Benz Group AG
Publication of WO2024088632A1 publication Critical patent/WO2024088632A1/fr

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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
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/242—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the front area
    • 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
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00564—Details of ducts or cables of air ducts

Definitions

  • Ventilation device for the interior of a motor vehicle
  • the invention relates to a ventilation device for an interior of a motor vehicle according to the preamble of patent claim 1. Furthermore, the invention relates to a method.
  • Ventilation devices for interior spaces in particular footwell ventilation systems or similar devices for generating an air flow within an interior space, are already known from the prior art.
  • the respective air flow from, for example, an air conditioning system or from an air conditioning box is directed via ducts or air ducts and via outlet openings to specific areas of the interior, so that these areas are tempered by means of warm air or cold air transported by the air flow.
  • DE 10 2014 113 471 B4 discloses a device for directing air for an air conditioning system of a motor vehicle.
  • the air conditioning system has air outlets.
  • the device is designed to enclose a volume and at least one air duct is formed within the volume, running from an inlet to an outlet.
  • the device is arranged to be infinitely displaceable in one direction between two end positions, with the device closing an air outlet in each of the end positions.
  • the air is blown into the footwell, for example, and into the passenger compartment via openings in the dashboard, and is also guided directly to the windshield via outlets.
  • the object of the invention is to further develop a ventilation device in such a way that energy-efficient ventilation of an interior of a motor vehicle, in particular a footwell area, is made possible.
  • One aspect of the invention relates to a ventilation device for an interior of a motor vehicle, in particular a passenger car, with an air space and with an air flow channel arranged on the air space, which has an air inlet opening directed towards the air space.
  • the air space is arranged in particular within an instrument panel of the motor vehicle and coupled to at least one device that generates an air flow, so that the air flow can flow into the air flow channel.
  • the air flow channel also has at least one first air outlet opening for the direct flow of the air flow into a footwell of the interior and at least one second air outlet opening that is different from the first air outlet opening.
  • the air flow flows from the air space into the air flow channel via the air inlet opening and out of the air flow channel into the footwell via the respective air outlet openings.
  • the ventilation device should be coupled to an air conditioning system, for example, after which the air flow is generated by the air conditioning system and guided to the air outlet openings via the air flow channel.
  • the ventilation device can have a fan and a temperature control device, which are designed to generate a temperature-controlled air flow.
  • a temperature-controlled air flow with warm air or an air flow with cold air should be conveyed through the air flow channel, with warm air in particular being provided according to the invention for heating the interior of the motor vehicle, in particular for heating the footwell.
  • the air flow channel is divided by a bulkhead into a first area having the first air outlet opening and a second area having the second air outlet opening.
  • a bulkhead is meant a partition, a separating element or the like, whereby the spatial separation of the areas is provided.
  • the second area in particular only has the second air outlet opening, from which the second air flow portion flows out into the footwell.
  • a cross section of the air inlet opening is smaller than a cross section of the air flow channel, so that a cross-sectional area of the air inlet opening is a region of a cross-sectional area of the air flow channel.
  • the air flow channel is rectangular, with an elongated extension direction of the air flow channel extending essentially in the transverse direction of the vehicle and being arranged in a region above the feet of the occupant.
  • the air flow channel also has the air inlet opening on a side directed towards the middle of the instrument panel, which is coupled to the air space arranged in the instrument panel for the air flow to flow through.
  • a ratio of respective air flow components of the air flow into the respective areas of the air flow channel can be adjusted by means of a first flap that can close the air inlet opening and pivot about a first axis.
  • a pivotable first flap which is designed to pivot about a first axis, is arranged on the air inlet opening, in particular between the air flow channel and the air space, after which the adjustment of the flap or the turning and/or rotation of the first flap about the first axis enables a change in the air flow quantity or air flow dimensions of the air flow from the air space into the air flow channel and thus into the two areas. This means that by pivoting the first flap, the ratio of the air flow entering or flowing into the areas can be adjusted.
  • the first axis is arranged essentially centrally on the air inlet opening, with a shifted
  • the axis can be offset to the left or right, meaning that the symmetry of the flap structure on the air flow channel can also be changed.
  • the first flap can have two wings of equal length, or one longer and one shorter, which work together to close the air inlet opening and open or close the air inlet opening when the first flap is pivoted.
  • the ratio is adjusted by pivoting the first flap in one direction. Due to the flow conditions within the air space, the area whose wing is pivoted into the air space is supplied with a larger proportion of air flow than the area where the wing is pivoted within the area.
  • the first flap By pivoting the first flap by a predetermined angle about the first axis, it is possible, for example, to let one third of the air exit through the first air outlet opening and two thirds out of the second air outlet opening, with the ratio being adjustable according to the specifications or wishes of the occupant or the OEM or a preset control.
  • the pivoting of the first flap about the first axis is possible by means of an actuator arranged on the ventilation device, which controls the angle of adjustment of the first flap.
  • the air flow portion flowing out of the first air outlet opening is directed essentially downwards in the vertical direction of the vehicle and the air flow portion flowing out of the second air outlet opening is directed essentially rearward in the longitudinal direction of the vehicle.
  • the exit direction of the air flow portion exiting the second air outlet opening is directed essentially horizontally and rearward in the longitudinal direction of the vehicle, whereby the air flow or the air flow portion is directed directly at the legs of the occupant. This means that the air flow is directed not only at the feet, but also at the legs and thus at the buttocks and the lower back area of the occupant.
  • the outflowing air flow portion exits the second air outlet opening horizontally and can be directed upwards along an instrument panel, after which the direction of the air flow changes at least partially curves upwards in the vertical direction of the vehicle.
  • This makes it possible to allow the air flow to flow out only in the footwell area or in a lower area of the interior, whereby due to thermodynamics the heat rises from the footwell into the interior, in particular into an upper area of the interior. This makes it possible to heat up the entire interior in an energy-saving manner by warming up the footwell.
  • the ventilation device it is possible to use the ventilation device to heat the interior in an energy-saving manner depending on the seat occupancy of the occupants in the interior.
  • the front seats should be occupied, after which the air conditioning or the air flow into the interior is made possible by the air flow into the front footwell.
  • the two people sitting in the front of the motor vehicle can be air-cooled and thus warmed up by the ventilation device according to the invention.
  • the second air outlet opening is elongated.
  • the elongated extension direction of the second air outlet opening should be directed essentially along the transverse direction of the vehicle, with the length of the second air outlet opening also being adapted to a width of the motor vehicle.
  • the air flow channel it is possible, for example, to design the air flow channel in such a way that it extends essentially along the entire instrument panel and thus proportionally to a width of the motor vehicle.
  • the second air outlet opening which is adapted in the elongated extension direction to the now elongated design of the air flow channel, is also elongated. This makes it possible to supply air to the two front seats through a single air outlet opening. The entire footwell is thus supplied with air flow through the elongated second outlet opening, so that the front row of seats can be tempered by the air flow.
  • an embodiment of the invention is advantageous in which a further second flap that can be pivoted about a second axis is arranged on the second air outlet opening.
  • the second flap is also elongated to correspond to the elongated second outlet opening and can close it by pivoting in such a way that no air flow can escape.
  • the second flap can rotate about a second axis, which is arranged, for example, on an upper edge of the second outlet opening.
  • a coordinated control can enable the flow of air into the footwell depending on the seat occupancy.
  • a further embodiment of the invention is also advantageous, in which the flaps can be automatically controlled by vehicle-side sensors.
  • the ventilation device has at least one control device for this purpose, on which the sensors are arranged or on which at least one sensor device having the sensors is arranged.
  • the control device can in particular automatically start a temperature control, which is made possible by moving the first flap and pivoting the second flap.
  • the control device transmits a signal to the respective actuators, which carry out the predetermined pivoting movements by the predetermined angles and thus enable the flow to the footwell and thus the temperature of the footwell and the interior.
  • the flaps can be manually adjusted by an operator intervention by the occupant.
  • the flaps are connected to one another via a mechanism or are mechanically coupled to one another, so that an operation or an operator intervention by the occupant enables the respective flaps to be adjusted about the respective axes.
  • slide controls or buttons or rotary controls to provide or adjust the respective flaps according to the occupant's wishes in such a way that the desired air flow to the feet or to the lower footwell area of the interior is made possible.
  • a control device is arranged to control different settings of the ventilation device for ventilating the footwell.
  • control device should be electronically coupled to the respective components of the ventilation device so that control of all components is possible.
  • the occupant for example, to select a preset setting by means of which the ventilation device at least partially automatically starts the flow and thus the temperature of the footwell or the temperature of the interior.
  • the control device is connected to a display device, in particular to a touch display, on which the occupant can make the inputs or the settings, so that a signal is sent to the control device via the display device, by means of which the setting is started.
  • the control device is therefore designed to change all actuators of the flaps in such a way that the predetermined setting is carried out.
  • control device it is also possible to couple the control device to the air conditioning system or to an inlet opening and a closure of the inlet opening so that the air flow can also be regulated and controlled at least partially.
  • control device it is also possible to couple the control device with a voice control system, so that a voice input from the occupant already leads to an adjustment of the ventilation system.
  • the respective outlet openings have pivotable slats.
  • the slats can be pivoted about respective axes in such a way that an exit direction from the respective outlet openings can be changed.
  • an adjustment of the slats by means of an actuator should lead to the exit direction being adjusted according to the wishes of the user or occupant.
  • this can also be manually adjustable, whereby the slats on the second outlet opening can also replace the second flap, whereby the outflow can be stopped.
  • a further aspect of the invention relates to a method for operating a ventilation device for an interior of a motor vehicle, with an air space and with an air flow channel arranged on the air space, which has an air inlet opening directed towards the air space, at least one first air outlet opening for directly flowing an air flow into a footwell of the interior and at least a second air outlet opening that is different from the first air outlet opening, wherein the air flow from the air space flows out into the air flow duct via the air inlet opening and out of the air flow duct into the footwell via the air outlet openings.
  • the air flow duct is divided by a bulkhead into a first area having the first air outlet opening and a second area having the second air outlet opening.
  • the method is intended to use an existing air flow to ventilate or temper a foot area within the interior, wherein rising warm air tempers the interior, in particular heats it, and results in energy savings, since no further tempering or heating is necessary in the interior, in particular in a front area of the interior.
  • Fig. 1 is a perspective view of a possible embodiment of a ventilation device according to the invention in an interior of a motor vehicle;
  • Fig. 2 is a further perspective view of the design of the ventilation device according to the invention.
  • Fig. 3 is a further perspective view of the design of the ventilation device according to the invention with a focus on an arranged air flow channel
  • Fig. 4 is a further perspective view of the design of the ventilation device according to the invention with a focus on a further design of the arranged air flow channel.
  • Fig. 1 shows a perspective view of an embodiment of a ventilation device 10 according to the invention in an interior 12 of a motor vehicle, in which an occupant 14 uses the ventilation device 10 to warm his feet by heating a footwell 16 of the interior 12.
  • the footwell 16 located within the interior 12 is to be used by means of the ventilation device 10 to specifically warm the feet of the occupant 14.
  • cooling is also possible, after which a predetermined temperature can be set.
  • the temperature of the footwell 16 is provided by means of the ventilation device 10.
  • a region of the interior 12 or of a vehicle cabin with a front seat 18 with the occupant 14 sitting on it and an instrument panel 20 with side and center nozzles 22a, 22b is shown in simplified form.
  • the feet of the occupant 14 are located in the footwell 16 and are to be tempered, in particular heated with warm air, by means of an air flow L provided by the ventilation device 10.
  • the instrument panel 20 already has the side and center nozzles 22a, 22b, from which the air flow L also flows out, with an air space 23 already arranged for this purpose within the instrument panel 20.
  • Air space 23 means a room or a space that is already present for ventilating the interior 12, for example an air conditioning box or a room of an air conditioning system containing the air flow L.
  • an air duct system with air ducts for directing the air flow L is also present, on which at least one nozzle generating the air flow L and a tempering device for tempering the air flow L are arranged.
  • the ventilation device 10 In order to subject the footwell 16 to the air flow L or to direct the air flow L from the air space 23 into the footwell 16 and to flow therethrough, i.e. to allow the air flow L to flow out into the footwell 16, the ventilation device 10 has an air flow channel 24 with a first air outlet opening 26 and with a second air outlet opening 28.
  • Fig. 2 shows a further perspective view of the design of the ventilation device 10 according to the invention.
  • the air flow channel 24 is elongated and extends in the elongated extension direction essentially axially to the vehicle transverse direction y.
  • the air flow channel 24 is elongated, in particular rectangular or cuboid-shaped with three square openings shown in Fig. 2, from which the air flow L flows downwards in the vehicle vertical direction z in order to temper the footwell 16, in particular to heat it.
  • Further embodiments of the air flow channel 24 are also possible, wherein the outflow direction of the air flow L from the first air outlet opening 26 is, according to the invention, essentially downwards in the vertical direction z of the vehicle.
  • a change in direction is possible, for example by means of air guiding elements such as slats arranged on the first air outlet opening 26.
  • the invention provides that the air flow L is discharged rearwardly at the second air outlet opening 28 in the vehicle longitudinal direction x.
  • the second air outlet opening 28 is elongated in contrast to the first air outlet opening 26 or in contrast to the plurality of first air outlet openings 26.
  • the elongated extension direction of the second air outlet opening 28 is designed to correspond to the elongated extension direction of the air flow channel 24 and thus also extends substantially in the vehicle transverse direction y.
  • FIG. 2 shows the ventilation device 10 for the interior 12, wherein in particular the air space 23 and the air flow channel 24 arranged on the air space 23 are visible.
  • the air flow channel 24 has an air inlet opening 25 directed towards the air space 23 but not visible.
  • the air flow channel 24 also has at least one first air outlet opening 26 for direct air flow into the footwell 16 downwards in the vehicle vertical direction z and the second air outlet opening 28 for direct air flow into the footwell 16, in particular a seating area towards the rear in the vehicle longitudinal direction x, wherein the air flow L from the air space 23 enters the air flow channel 24 via the air inlet opening 25 and from the air flow channel 24 into the footwell 16 via the air outlet openings 26, 28.
  • the air flow L led from the air space 23 into the air flow channel 24 is divided into respective air flow components L1, L2, with the air flow components L1, L2 flowing out of the respective air outlet openings 26, 28 and with the air flow component L1 flowing out of the first air outlet opening 26 being directed essentially downwards in the vehicle's vertical direction x and the air flow component L2 flowing out of the second air outlet opening 28 being directed essentially rearwards in the vehicle's longitudinal direction x.
  • the air flow components L1, L2 meet again and essentially form the entire air flow L again, which tempers, in particular heats, the footwell 16.
  • the air flow L in particular the warm air flow L or the warm air provided by the air flow L in the footwell 16, rises due to thermodynamics and thus tempers an area located above the footwell 16, so that the occupant 14 experiences a tempering of his body.
  • This ventilation and/or temperature control has the particular advantage that no further exposure to additional nozzles on the body of the occupant 14 is necessary, thus providing an energy-efficient measure.
  • the ventilation device according to the invention is intended to supply the air flow L to the various air outlet openings 26, 28 of the air flow channel 24 depending on the seat occupancy, i.e. depending on the number of occupied seats within the motor vehicle, so that efficient ventilation and temperature control can be set, particularly in the case where only the front seats 18 are occupied.
  • This allows the thermal output required for vehicle air conditioning to be significantly reduced and the electric range to be increased in the case of a motor vehicle designed as an electric vehicle.
  • the footwell ventilation of the front footwell 16, made possible by the ventilation device 10, is thus carried out by the Air flow channel 24, which uses air outlet openings 26, 28 to distribute the air flow L with warm air from an air conditioning box and thus directs it in a targeted manner, in particular, to a predetermined area of the footwell 16.
  • the at least one air outlet opening 26 is located approximately in a horizontal plane and the heated air flow L is essentially discharged downwards in the vertical direction z of the vehicle into the respective footwell 16.
  • two of the air outlet openings 26 are positioned such that the outflowing air flow L with warm air directly hits the feet of the occupant 14 and, in the case of a cold motor vehicle, these are heated up very quickly.
  • the two air flow components L1, L2 meet in the footwell 16 and rise along the underside of the instrument panel 20 and again form the entire air flow L, which flows upwards due to buoyancy forces along a flow arrow 30 shown in Fig. 2 and thereby releases the heat of the warm air of the air flow L over a large area to the occupant 14 sitting on the front seat 18.
  • Fig. 3 shows a further perspective view of the design of the ventilation device 10 according to the invention with a focus on the arranged air flow duct 24, which has the air inlet opening 25, at which in turn the air flow L coming from the air conditioning box of a vehicle air conditioning system enters with warm air.
  • a demand-based distribution of the warm air or a distribution of the air flow L in different directions between the air outlet openings 26, 28 can be carried out, for example, with a flap 32 located in the area of the air inlet opening 25 of the air flow duct 24 in cooperation with a bulkhead 34, which separates a first air flow duct area 36 with the first air outlet opening 26 from a second air flow duct area 38 with the second air outlet opening 28.
  • the first flap 32 which can be rotated about a first axis A1
  • the incoming air flow L can be distributed in different quantities to the two air flow channel areas 36, 38 and thus to the air outlet openings 26, 28, depending on the ventilation case.
  • the entire warm air of the air flow L or the majority of it can be directed via the air flow channel 24 to the air outlet openings 26, 28 in order to enable rapid heating of the feet of the occupant 14 by warming up the footwell 16.
  • this setting can essentially be retained.
  • the first flap 32 can be rotated for the purpose of a particularly energy-efficient zonal ventilation setting so that a substantial part of the air flow L, in particular the air flow components L1, L2 of the air flow L with warm air, are directed to the air outlet openings 26, 28.
  • the first flaps 32 can be controlled and/or regulated depending on vehicle-side sensor signals such as seat detection, a target/actual value deviation of an interior temperature sensor or an outside temperature. Alternatively, the flap 32 can also be adjusted mechanically or electronically by the occupant 14 by pressing a control button.
  • the inflow of respective air flow components L1, L2 into the respective air flow channel areas 36, 38 is controlled and/or regulated via the adjustable flap 32, in particular via the flap 32 pivotable about a first axis A1 on the air inlet opening 25.
  • the respective air flow components L1, L2 thus flow out of the respective air outlet openings 26, 28 with the respective outlet directions into the footwell 16.
  • Fig. 4 shows a further perspective view of the design of the ventilation device 10 according to the invention, with a focus on a further design of the arranged air flow channel 24, in which, instead of the bulkhead 34, a further second flap 40 is arranged that can be rotated about a second axis A2, by means of which the air distribution of the air flow L between the air outlet openings 26, 28 can be adjusted even more precisely depending on the ventilation case.
  • the invention provides that the second flap 40 is designed as a closure element of the second air outlet opening 28, i.e. that pivoting the second flap 40 can cause the second air outlet opening 28 to close and thus close.
  • the air flow L can be guided via the air inlet opening 25 and then via the air outlet openings 26, 28, wherein the second flap 40, which can be pivoted about the second axis A2, controls and/or regulates a distribution of the air flow L into the respective outflowing air flow portions L1, L2 between the air outlet openings 26, 28.
  • an adjustment or rotation of the second flap 40 about the second axis A2 can be carried out via an actuator, which can be electronically controlled via a control device, for example; alternatively, the rotation can also take place manually via a rotary mechanism.
  • the flaps 32, 40 so that they can be automatically controlled by vehicle-side sensors. wherein the flaps 32, 40 can also be manually adjustable by an operator intervention of the occupant 14.
  • the ventilation device 10 has a control device for controlling different settings of the ventilation device 10 for ventilating the footwell 16.
  • the respective air outlet openings 26, 28 with pivotable slats in order to control a change in direction of the escaping air flow components L1, L2.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention concerne un dispositif de ventilation (10) pour l'intérieur d'un véhicule automobile, ledit dispositif de ventilation comprenant : une chambre à air (23) ; et un conduit d'écoulement d'air (24) qui est situé au niveau de la chambre à air (23) et qui présente une ouverture d'entrée d'air dirigée vers la chambre à air (23), au moins une première ouverture de sortie d'air (26) pour l'écoulement direct d'un flux d'air dans une cave à pieds de l'intérieur, et au moins une seconde ouverture de sortie d'air (28) qui est différente de la première ouverture de sortie d'air (26), le flux d'air pouvant s'écouler hors de la chambre à air (23) par l'intermédiaire de l'ouverture d'entrée d'air dans le conduit d'écoulement d'air (24) et par l'intermédiaire des ouvertures de sortie d'air (26, 28) hors du conduit d'écoulement d'air (24) dans la cave à pieds, et le conduit d'écoulement d'air (24) étant divisé par une cloison en une première région qui présente la première ouverture de sortie d'air (26) et une seconde région qui présente la seconde ouverture de sortie d'air (28).
PCT/EP2023/074597 2022-10-25 2023-09-07 Dispositif de ventilation pour l'intérieur d'un véhicule WO2024088632A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022003960.5A DE102022003960A1 (de) 2022-10-25 2022-10-25 Belüftungseinrichtung für einen Innenraum eines Kraftwagens
DE102022003960.5 2022-10-25

Publications (1)

Publication Number Publication Date
WO2024088632A1 true WO2024088632A1 (fr) 2024-05-02

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PCT/EP2023/074597 WO2024088632A1 (fr) 2022-10-25 2023-09-07 Dispositif de ventilation pour l'intérieur d'un véhicule

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DE (1) DE102022003960A1 (fr)
WO (1) WO2024088632A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19854537A1 (de) * 1998-11-26 2000-06-08 Daimler Chrysler Ag Belüftungsvorrichtung für Fahrzeuge
JP2009173161A (ja) * 2008-01-24 2009-08-06 Denso Corp 車両用空調装置の空調ユニット
US20180134120A1 (en) * 2016-11-16 2018-05-17 Calin Marginean Vehicle hvac system
DE102014113471B4 (de) 2014-09-18 2021-09-02 Hanon Systems Vorrichtung zum Leiten von Luft für ein Klimatisierungssystem eines Kraftfahrzeugs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019930A1 (de) 1990-06-22 1992-01-02 Bayerische Motoren Werke Ag Luftausstroemorgan fuer den innenraum von kraftfahrzeugen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19854537A1 (de) * 1998-11-26 2000-06-08 Daimler Chrysler Ag Belüftungsvorrichtung für Fahrzeuge
JP2009173161A (ja) * 2008-01-24 2009-08-06 Denso Corp 車両用空調装置の空調ユニット
DE102014113471B4 (de) 2014-09-18 2021-09-02 Hanon Systems Vorrichtung zum Leiten von Luft für ein Klimatisierungssystem eines Kraftfahrzeugs
US20180134120A1 (en) * 2016-11-16 2018-05-17 Calin Marginean Vehicle hvac system

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DE102022003960A1 (de) 2024-04-25

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