EP3433118A1

EP3433118A1 - Air vent

Info

Publication number: EP3433118A1
Application number: EP17712105.0A
Authority: EP
Inventors: Olaf Uhlenbusch; Thomas Grünbeck; Markus Langbein; Bernd Hüttel; Gerhard Endres
Original assignee: Dr Schneider Kunststoffwerke GmbH
Current assignee: Dr Schneider Kunststoffwerke GmbH
Priority date: 2016-03-21
Filing date: 2017-03-20
Publication date: 2019-01-30
Also published as: KR20180093868A; US10682899B2; US20190001792A1; JP6646141B2; DE102016119547A1; CN107921845A; CN107921845B; KR102127617B1; WO2017162562A1; JP2018529573A

Abstract

The invention relates to an air vent with a housing which consist of at least two parts. Furthermore, at least one opening for supplying an airflow and an opening for discharging the supplied airflow are provided. The airflow can be supplied to the air vent from an air supply shaft or from an air supply line in heating, ventilating, or air-conditioning systems, in particular for passenger compartments in motor vehicles. The housing of the air vent can be inserted into a wall opening or can be assembled behind such a wall opening and secured there via one of the at least two parts of the housing. In the non-use state of the air vent, one of the at least two parts of the housing lies in or over the other part of the housing. The airflow, which is supplied via the opening, is conducted in the housing and flows via the opening in order to be discharged. During the operation of the air vent, the at least one part of the housing lying in or over the at least one other part of the housing can be moved, drawn, or slid out of the other part or displaced, moved, or slid away from the other part.

Description

air vents

description

The present invention relates to an air vent with the features of claim 1.

Air vents, especially those for motor vehicles, are well known.

It is known from DE 10 2011 100 059 AI a ventilation arrangement for a motor vehicle. The ventilation arrangement has a console with a console surface, in which a receptacle is formed and comprises a movable on the console air outlet. The air vent can into a

Opening position in which the Luftausströmöffnung protrudes from the receptacle, and in a closed position in which the

Air vents at least partially sunk in the recording, are moved. In addition, a plurality of

Air guide provided, at least in part

are slidably mounted, the sliding

Air guide elements are displaceable in the open position, and in the closed position by cooperation with at least one console-fixed stop in the rest position are displaced. From DE 10 2010 000 802 AI is a Luftausströmer a

Heating and ventilation or air conditioning of a

Motor vehicle known. The air vent includes

at least one Luftauslassdüse with a connected to an air line nozzle housing and mounted in the nozzle housing, provided with air slots, nozzle insert, wherein the nozzle housing has a pivot axis for the nozzle insert, so that this around itself between a

Luftausströmstellung and a beverage stop position

is rotatable.

A disadvantage of the aforementioned prior art is that the known Luftausströmer is not completely in the

Dashboard or sink in their installed position, so when not in use, a virtually smooth and even

Surface arises and that depending on the desired amount of air that is discharged from the air vent, in

corresponding different positions relative to the

Non-use from the surface into which the air vent is installed, can be moved out and can produce a diffused as well as directed air flow.

It is therefore an object of the present invention, the

Disadvantages of the prior art remedy and a

Air vents show that circumvents the aforementioned disadvantages and solves. This task is accomplished by an air vent with the

Characteristics of claim 1 solved. Further advantageous developments of the invention are specified in the subclaims, the further description and in particular the description based on specific embodiments.

The invention shows an air vent with a housing consisting of at least two parts. There is also at least one opening for supplying an air flow and an opening for discharging the supplied air flow. The airflow is the air vent from an air supply duct or from an air supply duct in

Heating, ventilation or air conditioning installations, in particular for passenger compartments in motor vehicles, can be fed, and the

Air vent can be used with the housing via one of the at least two parts of the housing in a wall opening or mounted behind such and fastened there. When the air vent is in the idle state, one of the at least two parts of the housing lies in or over the other parts of the housing. The supplied via the opening

Air flow is guided in the housing and flows out through the opening for the discharge of an air flow. When operating the

Luftausströmers is the at least one lying in or over the at least another part of the housing part out of this herausfahrbar or herausschiebbbar or herausziehbbar or away from it, wegfahbar or wegschiebbar.

In the embodiment of the invention according to claim 2 it is provided that the at least one part lying in at least the other part of the housing is the second part of the housing and can be used in a wall opening or behind Such a mountable and at least attachable there at least a part of the housing is the first part of the housing.

In the embodiment of the invention according to claim 3 it is provided that in the second part of the housing, a second part of the housing continuous breakthrough is arranged with a wall which on one side of the opening the

Opening for discharging the supplied air flow is formed and on the opposite side at least one

Forming outlet, which discharges the air flow from the second part of the housing and directs the air flow to the opening for discharging an air flow, wherein the opening for discharging the supplied air flow and the

opposite side of the opening in the outer wall of the second part of the housing has the shape of a circle of an oval or a stadium shape.

In the embodiment of the invention according to claim 4, it is provided that the at least one exit region forms a gap which extends from the wall of the second part of the

Housing and the wall of the opening is formed, wherein the wall of the second part of the housing the gap in

Direction of the opening for the discharge of the supplied

Air flow survives, whereby the air flow after the

Leaving the gap is directed and accelerated.

In the embodiment of the invention according to claim 5 it is provided that the wall of the aperture has a concave shape and extends from the opening for the discharge of the supplied air flow to the opposite side. In the embodiment of the invention according to claim 6 it is provided that the gap has a gap width between one and four millimeters and the wall of the second part of the housing in the gap projecting region has a radius between half a millimeter up to three millimeters.

In the embodiment of the invention according to claim 7, it is provided that the at least one exit region is arranged with the gap in the entire opening region.

In the embodiment of the invention according to claim 8, it is provided that a threaded spindle is arranged in the housing, by means of which the second part of the housing from the first part of the housing can be moved out or into the first part of the housing, and wherein in the

Center longitudinal axis of the threaded spindle a continuous

Cavity is present, in which a pipe is used. In the embodiment of the invention according to claim 9 is provided, the threaded spindle is mounted within the first part of the housing via a bearing and on the

Threaded spindle is arranged in a gear which is in a

Gear wheel engages.

In the embodiment of the invention according to claim 10 it is provided that the tube consists of electrically conductive material and / or the tube two from each other galvanically

separate, the entire length of the tube passing

having electrically conductive regions, wherein disposed over the pipe a in the second part of the housing

Lighting unit is electrically contacted and / or that at the upper end in the region of the second part of the housing, the tube has at least one opening which extends into the

Interior of the second part of the housing opens, so that perfumes can be supplied via the pipe to the air flow and / or that in the pipe a cable can be arranged by means of which an electrical unit in or on the second part of the housing is electrically contacted.

In the embodiment of the invention according to claim 11 it is provided that an electric motor with the gear roller is connectable, so that the second part of the housing by means of the threaded spindle during operation of the electric motor, in

Depending on the direction of the electric motor, is movable, and wherein a coupling between the electric motor and the gear roller is arranged.

The following is an air vent using concrete

Embodiments described. The following

Description based on the concrete exemplary embodiments does not represent a limitation of the invention to one of these concrete exemplary embodiments.

1 shows a perspective schematic representation of a

Air vent;

2 shows another perspective schematic

Representation of an air vent according to the invention;

3 shows a section through an air vent; 4 shows a section through an air vent;

5 shows a section through a further air vent;

6 is a perspective view of another

Air vent;

7 shows a schematic representation of another

Air vent; and

8 shows a further schematic representation of another

Air vent.

In the figures, the same components and / or components are provided with the same reference numerals. These parts and / or

Components corresponding to the essential one another, unless otherwise specified.

1 shows a schematic perspective view of an air vent 1 is shown. The air vent 1 has a housing 4. The housing 4 consists of a first part 41 and a second part 42. The second part 42 of the housing 4 is in the first part 41 of the housing 4th

insertable and / or. can be pushed out of this.

In Figure 1, the second part 42 of the housing 4 is extended from the first part 41 of the housing 4 and provides a

Operating position of the air vent 1 is.

It is the second part 42 of the housing 4 in its circumference or dimensions configured slightly smaller than the first Part 41 of the housing 4, so that the second part 42 of

Housing 4 is almost completely inserted into the first part 41 of the housing 4. In an alternative embodiment of the invention, the second part 42 of the housing 4 in its dimension or

Sizing slightly larger than the first part 41 of the

Housing 4, so that the second part of the housing 4 via the first part 41 of the housing 4 is displaced or displaced.

The housing 4 has an air supply opening 7. The

Air supply opening 7 is preferably arranged on the first part 41 of the housing 4. The arrangement takes place in such a way that an air flow supplied via the air supply opening 7 does not pass directly into the housing 4, but is introduced slightly laterally, slidingly along the inner wall of the housing 4. According to the embodiment in FIG. 1, the air supply is realized in the form of a pipe or pipe socket flanged laterally to the first part 41 of the housing 4.

The housing 4 has gem. 1 shows a cylindrical basic shape with a bottom 2, so that the air flowing through the opening 7 for supplying an air flow, when flowing into the housing 4, a vortex passes through the housing 4 and spirally wound to the opening 8 for discharging an air flow extends.

The opening 8 for discharging an air flow is arranged in the second part 42 of the housing 4. The first part 41 of the housing 4 has an edge web 15 which revolves at the upper end of the first part 41 of the housing 4. This part serves for fastening the housing 4 in or on a dashboard of a motor vehicle.

On the bottom, at the bottom 2, an electric motor 3 can be arranged on the first part 41 of the housing 4. The electric motor 3 drives a gear roller 15. This is about a not visible in FIG 1 gear 13, which is arranged on a threaded spindle 10, also not shown in FIG. 1, in FIG

Active compound.

Centrally located in the housing 4 a straight, standing pipe 11 is arranged. About this tube 11, the threaded spindle 10 in the first part 41 of the housing 4 is movable up and down.

In Figure 2 is another perspective schematic

Representation of the air vent 1 shown. 2, the second part 42 of the housing 4 is almost completely retracted into the first part 41 of the housing 4 or

inserted. It can be seen that the upper side of the second part 42 of the housing 4 projects slightly over the edge web 15.

It is the threaded spindle 10, with the gear 13 in

Active compound is shown. The gear 13 is fixedly arranged at the bottom of the threaded spindle 10. In an advantageous embodiment of the invention, the threaded spindle 10 is made of thermoplastic material made and the gear 13 is in this case molded onto the threaded spindle 10.

Inside the threaded spindle 10, this is in their

Longitudinal axis centrally running, a cavity present in which in the position shown in FIG 2, the tube 11 is located. The

Screw 10 is about the gear 13 with the

Gear roller 14 in mechanical connection. The

Threaded spindle 10 has on the outside a the

Threaded spindle in the form of a spiral circumferential groove 16. The threaded spindle 10 is supported via not shown in FIG 2 webs 19 in the housing 4. The webs 19 form a bearing 12, in which the threaded spindle 10 is rotatably mounted. In an advantageous embodiment of the invention, the bearing 12 is designed as a ball bearing.

The bearing 12 is in this case designed such that upon rotation of the threaded spindle 10 about its longitudinal axis, the threaded spindle 10 via the groove 16 in the bearing 12 upwards or downwards screws and thus the second part 42 of the housing 4 relative to the second part 41 of Housing 4 shifts or relocates. Depending on the direction of rotation of the electric motor 3 this drives the

Gear roller 14 at. This transmits the rotational movement via the gear 13 to the threaded spindle 10, which then moves up or down and the second part 42 of the housing 4 relative to the first part 41 of the housing 4 shifts or relocated. 3 shows a section through an air vent 1, the second part 42 of the housing 4 being pushed out of the first part 41 of the housing 4. The

Lead screw 10, with the gear 13, has arrived in this position at the upper end of the gear roller 14. Thus, the maximum position of pushing out the second part 42 of the housing 4 from the first part 41 of the housing 4th

reached . In the cavity in the threaded spindle 10 is the tube 11. The tube 11 passes through the entire length of the first part 41 of the housing 4 and extends beyond the bottom of the housing 4 also. The threaded spindle 10 is supported on the webs 19, which are not shown in FIG 3, and the bearing 12. Upon rotation of the threaded spindle 10 about the central longitudinal axis, the threaded spindle 10 by means of the groove 16 which is introduced into the outside of the threaded spindle 10 in the form of a spiraling from bottom to top, via the bearing 12 upwards or downwards, depending on the direction of rotation , screwed or moved and it is so that the second part 42 of the housing 4, which is connected to the bottom side with the upper end of the threaded spindle 10, pushed out of the first part 41 of the housing 4 or drawn into this. The tube 11 has in the upper end an opening which opens into the interior of the second part 42 of the housing 4. About this opening is through the tube 11 a fragrance or

Fragrances can be introduced and metered into the interior of the second part 42 of the housing 4. The air flow in the interior of the housing 4, as already described, generates a

Turbulence and so are the perfumes of the airflow taken and delivered to the environment when leaving the Luftausströmers 1.

Between the first part 41 of the housing 4 and the second part 42 of the housing 4, a felt layer 17 is provided. This serves to avoid any possible grinding noise when moving out of the second part 42 of the housing 4 from the first housing part 41 of the housing 4. In addition, grinding noise when rotating the second part 42 of the housing 4 relative to the first part of the housing 4th

diminished or suppressed or subdued. At the same time, the felt layer 17 effects a seal between the first part 41 of the housing 4 and the second part 42 of the housing 4. The second part 42 of the housing 4 is rotatably mounted and arranged relative to the first part 41 of the housing 4 around the central longitudinal axis of the air vent 1 and also out of the first part 41 of the housing 4 can be moved out or

into it, as already described.

The second part 42 of the housing 4 is rotatable relative to the first part 41 of the housing 4, so that the opening 8 for discharging the air flow in any direction is adjustable, and thus from the opening 8 to

Outlet of the airflow exiting airflow is adjustable in any desired direction.

In addition, not shown in FIG 3, are

Air guide elements provided, the orientation of the

Air flow can additionally influence. In the second part 42 of the housing 4, optical fibers 18

brought in. These light guides 18 are connected to a

Lighting unit connected, which emits light, wherein the lighting unit is preferably a light emitting diode or LED. The light guides 18 are provided to the from the

Lighting unit emitted light along the

To direct and distribute Luftausströmers 1. Thus, the air vent 1 can be illuminated. In a further advantageous embodiment of the invention, it is provided to illuminate the air vent via the light guide 18 with blue light when the exiting the air vent 1 air is cooler than the air in the interior of the vehicle. The illumination takes place with red light when the air emerging from the air vent 1 is warmer than the air in the interior of the motor vehicle, the

Illumination takes place with white light when the out of the

Air vents 1 leaking air in about the same

Temperature possesses, like the air in the interior of the

Motor vehicle and the lighting is done with green light, if the exiting the air vent 1 air by means of a filter or by the use of ozone before entering the interior of the motor vehicle a

Has undergone cleaning process.

The supply of the lighting unit with electrical

Energy is advantageously via a cable that is routed in the pipe 11 or directly through the pipe 11 itself. In this case, the supply via the pipe 11 itself, the tube 11 is preferably made of electrically conductive material. Thus, power can be conducted. In a further advantageous embodiment of the invention, the Tube 11 two galvanically separated, electrically conductive areas on which the tube in the longitudinal axis

go through, so that the tube 11 can serve as a conductor for supplying and discharging electrical current. It can thus be omitted a cable or a laying of a cable.

The gear 13 is fixedly arranged on the underside of the threaded spindle 10. The gear roller 14 is offset from the axis of rotation of the threaded spindle 10 but arranged so that the gear 13 is in operative connection with the gear roller 14. The

Gear roller 14 is rotatably mounted at the top and bottom in the first part 41 of the housing 4 about the longitudinal axis and is mechanically in operative connection with the electric motor. In an advantageous embodiment of the invention, a slip clutch is arranged between the electric motor 3 and the gear roller 14.

4 shows a further section through an air vent 1 is shown. There are the webs 19, which form the bearing 12 and support the threaded spindle 10, connected to the inside of the first part 41 of the housing 4. Upon rotation of the threaded spindle 10 about its longitudinal axis, the threaded spindle 10 moves by means of the groove 16 which engages in an arrangement on a support 19, depending on the direction of rotation, down or up. The threaded spindle 10 is connected at its upper end to the second part 42 of the housing 1, which is thus coupled to the threaded spindle 10 and its vertical movement. However, the threaded spindle 10 is connected in such a way with the second part 42 of the housing 1 or

connected, that the second part 42 of the housing 4 is rotatable about the spindle. FIG. 5 shows a section through a further embodiment of an air vent 1 according to the invention; 6 shows a perspective view of such a Luftausströmers 1 is shown.

According to the embodiment according to FIG. 5 and FIG. 6, however, the housing shape of the first part 41 of the housing 4 and of the second part 42 of the housing 4 is no longer geometrically the same but different. But it is the second part 42 of the housing 4 from the first part 41 of the housing 4 herausschiebbbar or retractable in this.

The threaded spindle 10 can be omitted. The tube 11 is still available. The tube 11 is supported by webs 19.

There is a first electric motor 31, which engages over a gear 311 that in recesses 312, which are arranged on the second part 42 of the housing 4, and pushes the second part 42 of the housing 4 from the first part 41 of the housing 4 or in push this in, depending on

Direction of rotation of the electric motor 31.

In addition, a second electric motor 32 is present, which via a gear 321 on a gear rim 322 fixed in the inside of the second part 42 of the housing 4

is arranged, and that engages the second part 42 of the

Housing 4 relative to the first part 41 of the housing 4 rotates about the central axis. The electric motor 32 is connected to the second part 42 of the housing 4 and is moved with this over the first electric motor 31 up and down. In addition, a third electric motor 33 is present, which is in operative connection with a gear 331. This gear 331 acts on fins 333, 334 which influence the orientation of the air flow. There are horizontally arranged fins 333, which are in the second part 42 of the housing 4 and vertically arranged fins 334 provided in the wall of the second part 42 of the housing. 4

are introduced and are there. The opening for discharging the air flow 8 is gem. of the

Embodiment according to FIG 5 and 6 provided above, but in addition, the vertically arranged fins 334, the

are also adjustable via the electric motor 33 and open or close an opening in the wall of the second part 42 of the housing 4. This can also exude air laterally, which is also influenced by means of the fins 334 in their orientation.

In Figure 7, a housing 4 of a Luftausströmers 1 is schematically shown with pushed out of the first part 41 of the housing 4 second part 42 of the housing 4. The opening 8 for discharging the air flow is designed in the form of a through opening which completely passes through the second part 42 of the housing 4.

However, it is, in order to direct the air flow, the air vent 1 is designed as Spaltausströmer.

In FIG 8, a horizontal section through the second part 42 of the housing 4 is shown. On the opening 8 to

Outflow of the airflow opposite side is one Opening 9 is present, which forms a gap 91. The

Opening 9 runs around almost the entire opening.

The gap 91 is formed by the wall 6 of the opening 5, the second part 42 of the housing 4 completely

passes. On the side of the opening 5, which faces the opening 8 for discharging the supplied air flow, the outlet region 9 is arranged, which forms the gap 91. About this exit area 9 is the the

Air outlet 1 supplied air discharged and directed in the direction of the opening 8 for discharging the air flow

spent. For this purpose, the gap 91, which forms between the wall 6 of the opening 5 and the wall of the second part 42 of the housing 4, is provided, wherein in

Area of the gap 91, the wall of the second part 42 of the housing 4 projects beyond the wall 6 of the opening 5 to the inside.

The opening 5 has the shape of a circle, an oval or a so-called stadium form.

As already stated, the outlet region 9 forms the gap 91, which is formed by the wall of the second part 42 of the housing 4 and the wall 6 of the aperture 5, wherein the wall of the second part 42 of the housing 4 the gap 91 in the direction of the opening 8 for the discharge of

supplied air flow, so that the air flow is directed after leaving the gap 91 in the direction of the opening 8.

Through the gap 91 and its shape, the air flow is accelerated. The wall 6 of the opening 5 has a concave shape and extends from the opening 8 for discharging the supplied air flow to the opposite side.

In an advantageous embodiment, this shape is also designed as a paraboloid.

The gap 91 has a gap width between one and four millimeters. The wall of the second part 42 of the housing 4 advantageously has a radius of between half a millimeter and three millimeters in the region projecting beyond the gap 91. The second part 42 of the housing 4 has in the upper region a wall of the second part 42 of the housing 4th

circumferential light guide 18. In a further embodiment of the invention, the light guide surrounds the opening 8 for discharging the air flow.

In an advantageous embodiment of the invention, instead of an electric motor, a crank is provided which drives the threaded spindle. In a further advantageous embodiment of the invention, the electric motors 3, 31, 32, 33 can be controlled via an operating unit.

In a further advantageous embodiment of the invention, the second part 42 of the housing 4 is rotatable about the central axis about the spindle drive, so that the opening 8 for

Outflow of the air flow and thus the air flow is variable. By turning the second part 42 of the housing 4, the Luftausströmrichtung can be adjusted in different directions. It can be directed, for example, into the interior, or on the windshield, or on the side windows.

In a further advantageous embodiment of the invention, it is provided that the electric motors 3, 31, 32, 33 are controlled via the control unit such that the second part 42 of the housing 4 and / or the fins 333, 334

occupy various presettable positions, so that an optimal air distribution in the interior of the vehicle can be made. It can be set to a Defrosterstellung, in which the air flow is almost completely directed to the windscreen, it can also be a special

Air conditioning function are selected for the interior, in which case the second part 42 of the housing 4th

continuously changed in its orientation, so that the entire vehicle interior is ventilated.

In an advantageous embodiment of the invention, the electric motor 3 and the threaded spindle 10 are arranged on the outside of the housing 4. As a result, the air flow in the interior of the housing 4 is not influenced by the associated components.

If, for example, at least one inventive air vent 1 is arranged in the dashboard of a motor vehicle on the driver's side and passenger side, it is provided in an advantageous embodiment of the invention, that by means of the control unit, the air vents 1 are driven in their orientation of the second part 42 of the housing 4 in such a way that they rotate about their own axes, the orientation of the air outlet openings, however, are always counter-oriented, so that the individual

Directly do not cover and / or extinguish air flows, so that there is always an air flow in the motor vehicle.

LIST OF REFERENCE NUMBERS

1 air vent

2 floor

3 electric motor

31 electric motor

32 electric motor

33 electric motor

311 gear

321 gear

332 gear

312 wells

322 gear wreath

333 lamella

334 fins

4 housing

41 first part (of the housing)

42 second part (of the housing)

421 wall of the second part (of the housing)

5 breakthrough

6 wall (breakthrough)

7 Air flow supply port 8 Air flow discharge port

9 exit area

91 gap

10 threaded spindles

11 pipe

12 bearings

13 gear

14 gear roller

15 edge bridge groove

Felt layer light guide webs

Claims

claims

1. Air vent (1) with a housing (4) made of

at least two parts (41, 42), with at least one opening (7) for supplying an air flow and an opening (8) for discharging the supplied air flow, wherein the

Air flow to the air vents (1) from an air supply shaft or from an air supply line in heating, ventilation or air conditioning systems, in particular for passenger compartments in

Motor vehicles, can be fed, and the air vent (1) with the housing (4) via one of the at least two parts (41, 42) of the housing (4) can be inserted into a wall opening or mounted behind such a wall and fastened, wherein in the non-operating Condition of the air vent (1) of one of the at least two parts (42) of the housing (4) in or over the other parts (41) of the housing (4), guided in the housing (4) via the opening (7) supplied air flow is and via the opening (8) for discharging an air flow and during operation of the Luftausströmers (1) at least one in or over the at least other part (41) of the housing (4) lying part (42) can be moved out of this or herausschiebbbar or herausziehbbar or displaced away from this, wegfahbar or wegschiebbar.

2. air vent (1) according to claim 1, characterized

in that the at least one part (42) of the housing (42) lying in at least one other part (41) of the housing (4) second part (42) of the housing (4) and in a

Wall breakthrough deployable or behind such

mountable and there fastened at least a part (41) of the housing (4) is the first part of the housing (4).

3. air vent (1) according to claim 1 or 2, characterized in that in the second part (42) of the housing (4) a the second part (42) of the housing (4) continuous

Breakthrough (5) with a wall (6) is arranged, on one side of the opening (5) the opening (8) for

Forming discharge of the supplied air flow and on the opposite side at least one outlet region (9) which discharges the air flow from the second part (42) of the housing (4) and directs the air flow to the opening for discharging an air flow (8), wherein Opening (8) for discharging the supplied air flow and the

opposite side of the opening (5) in the

Outer wall of the second part (42) of the housing (4) has the shape of a circle of an oval or a stadium form.

4. air vent (1) according to claim 3, characterized

characterized in that the at least one exit region (9) forms a gap (91) which extends from the wall of the second part (42) of the housing (4) and the wall (6) of the housing

Breakthrough (5) is formed, wherein the wall of the second part (42) of the housing (4) the gap (91) in the direction of the opening (8) for discharging the supplied air flow

survives, whereby the air flow after leaving the

Gaps (91) is directed and accelerated.

5. air vent (1) according to claim 3 or 4, characterized in that the wall (6) of the opening (5) a has concave shape and that of the opening (8) for discharging the supplied air flow to the

extends opposite side.

6. air vent (1) according to claim 4, characterized

characterized in that the gap (91) has a gap width between one and four millimeters and the wall of the second part (42) of the housing (4) in the gap (91) projecting region has a radius between half a millimeter to three millimeters.

7. Luftausströmer (1) one of the preceding claims 3, 6 or 6, characterized in that the at least one outlet region (9) with the gap (91) throughout

Opening area is arranged.

8. Air vent (1) according to one of the preceding

Claims 1 to 3, characterized in that in the housing (4) a threaded spindle (10) is arranged, by means of which the second part (42) of the housing (4) from the first part (41) of the housing (4) can be moved out or in the first part (41) of the housing (4) is movable into, and wherein in the central longitudinal axis of the threaded spindle (10) a

continuous cavity is present, in which a tube (11) can be inserted.

9. air vent (1) according to claim 8, characterized

characterized in that the threaded spindle (10) is mounted within the first part (41) of the housing (4) via a bearing (12) and on the threaded spindle (10) a toothed wheel (13) is arranged, which is inserted into a toothed wheel roller (14). attacks.

10. air vent (1) according to claim 8, characterized

in that the tube (11) consists of electrically conductive material and / or the tube (11) has two electrically isolated regions running through the entire length of the tube (11), one via the tube (11) in the second Part (42) of the housing (4) arranged lighting unit is electrically contacted and / or that the tube (11) at the upper end in the region of the second part (42) of the housing (4) has at least one opening in the interior of the second Part (42) of the

Housing (4) opens, so that via the pipe (11) the air flow fragrances can be supplied and / or that in the pipe (11) a cable can be arranged by means of which an electrical unit in or on the second part (42) of the housing (4) electrically is contactable.

11. Air vent (1) according to one of the preceding

Claims, characterized in that a

Electric motor (3) with the gear roller (14) is connectable, so that the second part (42) of the housing (4) by means of the threaded spindle (2) during operation of the electric motor (3), depending on the direction of the electric motor (3)

is movable, and wherein a coupling between the

Electric motor (3) and the gear roller (14) is arranged.

12. Air vent (1) according to one of the preceding

Claims, characterized in that the second part (42) of the housing (4) is rotatable about its longitudinal axis, wherein the rotational movement via the electric motor (3) and second part (42) of the housing (4) in the contact area to the first part ( 41) of the housing (4) has a felt layer (17) or the Felt layer (17) on the second part (42) of the housing (4) is arranged.

13. Air vent (1) according to one of the preceding

Claims, characterized in that the second part (42) of the housing (4) in the upper region of one of the wall of the second part (42) of the housing (4) encircling

Light guide (18) is surrounded and / or the light guide (18) surrounds the air outlet opening (8).

14. Air vent (1) according to one of the preceding

Claims, characterized in that the opening (7) for supplying an air flow from a laterally to the first part (41) of the housing (4) flanged pipe or stub pipe is formed.