Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
  • E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
  • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
  • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
  • F24F11/745—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity the air flow rate increasing with an increase of air-current or wind pressure
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
  • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
  • F24F13/18—Air-flow control members, e.g. louvres, grilles, flaps or guide plates specially adapted for insertion in flat panels, e.g. in door or window-pane
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
  • E06B2007/145—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash for glass façade, e.g. curtain wall
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses

Definitions

• the invention relates to a ventilation device for placing on a
• Cover frame of window elements for the purpose of generating a self-regulating forced ventilation depending on the prevailing wind pressure, with a ventilation profile for spaced attachment to the cover frame, an air passage path being formed between the outside and room side of the window element between the ventilation profile and the frame and within the air passage path thus formed
• Control element is arranged, by means of which the cross section of the air passage path can be changed depending on the prevailing wind pressure.
• the known ventilation device has a control element in the form of a pendulum-like flap which can be pivoted about the fixed pendulum axis and which can change the flow cross section through the ventilation profile more or less depending on the wind pressure.
• a disadvantage of this known ventilation device is that the control by means of the suspended, fixed flap is not always satisfactory and, in particular, that the flow cross section is not always satisfactorily guaranteed after the release of very high wind pressures.
• the known device is susceptible to contamination, since the dust entrained in the ventilation air attaches to the flap and obstructs the movement and cleaning of the ventilation device is difficult because of the disassembly.
• the invention has the task of proposing a ventilation device of the type mentioned, which enables a particularly simple and permanently reliable control of the forced ventilation depending on the prevailing wind pressure, which is simple and therefore inexpensive to manufacture, and above is also insensitive to dirt and easy to clean.
• the invention proposes that the control element is arranged loosely and variably within the air passage path and can be moved back and forth between two end positions depending on the wind pressure, the control element having a maximum cross section of the air passage path in one end position and in the another end position releases a minimal cross section of the air passage.
• the control element according to the invention is inserted loosely into the air passage and is now pressurized in accordance with the prevailing wind pressure and moves freely in one direction or the other, the cross section of the Air passage path is reduced or enlarged according to the respective position of the control element.
• the loose control element arranged in the air passage path is replaced by the ventilation device with increasing wind pressure and the associated increasing air speed
• Aeration device moving air masses moved from a the maximum
• a minimal residual cross section of the air passage path is preferably maintained, so that always a minimal one
• a floor part to be placed on the window frame is provided, and between the ventilation profile and the floor part a continuous cavity as
• the ventilation profile can be designed as an L-shaped profile with a cover part running essentially parallel to the base part and an outer leg guided at a distance from the outer frame on the outside.
• an inner part, releasably connectable to the bottom part and / or ventilation profile can be provided in such a way that the air passage is guided in a U-shape over the frame.
• the ventilation profile itself in one piece, that is to say in a U-shape, with the ceiling part, outer leg and inner leg.
• the control element can be moved from the outside to the room side of the window element into the end position which releases the minimum cross section of the air passage path.
• a roller roller or a board-shaped loose flap is preferably provided as the control element, each of which is arranged with its longitudinal axis transverse to the air passage.
• the guidance of the loose control element within the air passage path is predetermined by side walls of the base part and / or the ventilation profile.
• a further preliminary stage for an intermediate position of the control element, formed by means of a stop is formed with a predeterminable remaining cross section of the air passage path.
• the roller roll be moved on an inclined plane from its lower end position, which releases the maximum cross section of the air passage path, up the inclined plane, reducing the cross section, to an upper, second end position, which releases the minimum cross section of the air passage path is.
• This movement of the roller roller up the inclined plane is easily caused by the air masses flowing through the ventilation device according to the invention with increasing wind pressure, so that a reliable control is given up to the release of the minimum cross section of the air passage path depending on the prevailing wind pressure.
• the size of the rolling movement in the direction of the first or second end position always depends on the wind pressure applied to the ventilation device according to the invention at the respective time.
• the inclined plane is advantageously provided on the base part, which can be placed on the frame. In order to facilitate rolling on the inclined plane and to reduce the friction, it is proposed to equip the inclined plane with roller webs or channels that are spaced apart and extend in the direction of movement of the roller.
• the ventilation device according to the invention can be produced in a simple manner from the ventilation profile, the base part and the inserted control element and, if appropriate, also an inner part which can be attached to the ventilation profile on the inside of the window element.
• the ventilation profile with an essentially L-shaped cross-section has two legs, one leg of which forms an outer leg projecting beyond the outer frame to form an air passage and the other leg forms a ceiling part which covers the outer frame and forms the air passage.
• the air passage through the ventilation device according to the invention can be created, for example, in that the base part can be connected to the ceiling part of the ventilation profile at a distance from one another by means of projecting webs or plug pins, and the outer and inner legs can be held at a distance from the frame, so that the air passage path through the ventilation profile and the base part can be formed, the roller roller which serves to regulate the cross section of the air passage path being arranged on the inclined plane of the base part between the latter and the cover part.
• the regulating activity of the roller roller proposed according to the invention can also be increased in that the inclined plane is formed with rolling webs projecting beyond its surface, which extend in the direction of movement
• Roll roller extend and on which the roller rolls.
• the rolling motion of the Roll roller thus takes place only on the protruding webs and not on the entire plane surface of the inclined plane, so that the rolling friction between the inclined plane and the roller is considerably reduced, which improves the mobility of the roller depending on the prevailing wind pressure.
• the roller roller is less sensitive to dust deposits and dirt that are carried along, for example, by the air flow flowing through the ventilation device according to the invention.
• the dust particles can be entrained by the air flow in the areas between two adjacent roller webs between the roller and the plane surface of the inclined plane, so that the deposition of dust and similar contaminants in the ventilation device according to the invention is prevented.
• Each of the two end positions of the roller is advantageously assigned a stop.
• This stop at each end position of the roller roller not only enables an exact release of the maximum or minimum cross-section of the air passage path by abutment of the roller roller against this stop, but also requires an exact angular alignment of the roller roller against a stop in one of the two end positions Roll roller, so that any deviations from the straight running of the same that occur during the movement of the roller roller are automatically corrected when a stop is reached, which increases the operational safety of the ventilation device according to the invention.
• the stop assigned to the lower end position of the rolling roller can be formed, for example, on the ceiling part of the ventilation profile, for example by forming a correspondingly projecting web on this ceiling part.
• the upper stop for the roller roller is preferably formed in an extension of the inclined plane and, according to an advantageous development of the invention, can be designed with two stages, the roller roller reducing the air passage path to a predetermined residual cross-section when it stops at the first stage and further increasing wind pressure strikes the second stage of the graduated upper stop. In In this second stage, the roller then releases the minimum cross section of the air passage and limits the forced ventilation by the ventilation device according to the invention at very high wind pressures.
• Cover part of the ventilation profile in the region of the upper end position of the roller roller is formed a sealing web protruding in the direction of the base part, which together with the upper stop determines the passage cross section of the ventilation path, the roller roller in its upper end position both at the upper stop of the inclined plane and on Sealing web of the ceiling part rests. At very high wind pressures, a seal is created on the sealing web and on the top
• Stop causes, so that with appropriate dimensioning of the roller, either a complete seal of the ventilation device and closure of the ventilation path or also the release of a minimal passage cross section of the ventilation path takes place.
• the latter can be ensured by the roller being slightly narrower with respect to its lateral guidance, i.e. is finished with some distance in front of the side walls of the bottom part, so that between these side walls and the end faces of the roller roller a limited residual air flow can flow through the ventilation device according to the invention.
• This residual air flow depends on the prevailing structural conditions and can, for example, allow an air passage of eight to twelve m 3 / hour at a pressure difference of 100 pa between the outside and inside of the window element. In order to be able to clean the ventilation device and the
• the control element To allow air passage path including the control element, it is proposed to provide an inner part adjoining the ventilation profile to the room side of the window element with an inner leg spaced apart from the frame, in such a way that the air passage path runs downward from the ventilation profile to the inner part on the room side. It is provided that the inner part is detachable with the ventilation profile and / or to connect the base part, so that the control element can be removed after removal of the inner part.
• a particularly advantageous embodiment of the invention proposes that the inner part has a web projecting in the direction of the bottom part, and at the free end of the web the upper stop is designed for the rolling roller which can be moved on the inclined plane of the bottom part. In this way, a particularly simple construction of the ventilation device according to the invention is made possible.
• the web of the inner part is preferably provided with openings for the passage of air.
• the roll roller proposed according to the invention is preferably made of a very light material, such as aluminum or also a suitable thermoplastic, for example PVC, and is preferably hollow.
• a very light material such as aluminum or also a suitable thermoplastic, for example PVC, and is preferably hollow.
• PVC thermoplastic
• Flap is proposed to put the flap on its lower longitudinal edge on the base part and to allow the flap to move between the two end positions due to the prevailing wind pressure around this longitudinal edge as the pivot axis, the longitudinal edge resting on a support element arranged on the base part.
• the flap in its position which releases the maximum cross section of the air passage path is arranged so as to protrude obliquely upwards in the direction of the outside of the window element and can be supported on at least one support element.
• the flap In its end position which releases the minimum cross section of the air passage path, the flap is arranged in a position slightly inclined from the vertical towards the outside of the window element.
• the flap With at least one opening form, which always ensures a minimal remaining cross section of the air passage.
• the soundproofing element can be inserted between the inner leg and the rear wall of the inner part in the air passage.
• fleece mats can be used as the sound insulation element.
• FIG. 1 a and 1 b show the view of a window equipped with the ventilation device according to the invention from the inside of the room with and without the inner part
• FIG. 2a shows the section according to A - A through the ventilation device according to FIG. 1,
• FIG. 2b shows the section according to H - H through the ventilation device according to FIG. 1, FIGS. 3a, b, c the top view of the bottom part of the ventilation device and the sections C - C and D - D according to FIG. 3a, FIG. 4 shows the top view of the bottom part according to FIG Figure 3a with
• FIG. 8 a schematic representation of a ventilation device with a loose flap viewed in cross-section as in FIG. 2a
• FIG. 9 extracts the details of FIG. 8 in enlarged form
• Figure 1 excerpt perspective view of the bottom part with attached flap.
• Figure 1 a is the structure of a window element, which in a
• Masonry is embedded, such as a window or door, apparently or with fixed glazing with a frame 1, as well as sash 2 shown. in the
• a of the frame 1 is a ventilation device B with a ventilation profile
• the ventilation profile 3 is preferred
• Ventilation device B is placed centrally on the upper cross member 1 a of the frame 1, its length corresponding to the length of the cross member 1 a or, as shown here, less than the length of the cross member 1 a.
• a ventilation device B which is an L-shaped
• Vents ventilation profile 3 which clears the air passage path via the slot opening 9 to the interior of the window element.
• An inner part can be added here.
• FIG. 2a shows the construction of the ventilation device B according to FIG. 1a using an exemplary embodiment.
• the ventilation device B comprises a bottom part 6, which is placed on the upper cross member 1 a of the frame 1, and an L-shaped ventilation profile 3, which is guided at a distance from the bottom part 6 over the frame, which on the ventilation profile 3 and the bottom part 6 the inner space 31 of the frame 1 adjoining the inner part 31 and the roller roller 7 arranged as a control element in the cavity 30 formed between the base part 6 and the ventilation profile 3.
• the ventilation profile 3 and the inner part 31 are arranged spaced from the frame 1, so that a U-shaped air passage path above the frame 1, see arrows L is formed by the spaced arrangement of the ventilation profile 3 and the inner part 31.
• the roller roller 7 is arranged within this air passage path in the cavity 30 so as to be freely movable and movable. She lies with hers Longitudinal axis transverse to the air passage path L.
• the air flow can take place in both directions, depending on the wind pressure conditions, through the ventilation device from the outside entrance 320 to the inside exit 310 and vice versa.
• the roller 7 is taken from a first position shown here in dashed lines in FIG. 2a to a second position or vice versa.
• the ventilation profile 3 has an L-shaped cross section with an outer leg 300 which at least partially overlaps the upper cross member 1 a of the frame 1 and a ceiling part 302 covering the upper cross member 1 a of the frame.
• the outer leg 300 has side walls 301 which are directed towards the frame 1 and thus form an air duct.
• 300 support ribs 301 a are integrally formed on the inside of the outer leg for support on the frame.
• the ceiling part 302 has, on its inside facing the frame 1, a plurality of projections 303, 305, 306 running in the longitudinal direction, which force the ventilation path L to run in a zigzag shape, as a result of which a higher sound insulation is achieved.
• blind holes 303a, 304 in the form of bushings 303b, 304b are formed on the inside of the ceiling part 302, which serve to fix the bottom part 6, which is equipped with corresponding plug pins 63a, 63b for insertion into the blind holes of the ceiling part.
• an inclined plane 61 is formed from the end position E1 towards the end position E2 .
• the inclined plane 61 is provided on the bottom part 6.
• the first end position E1 is arranged closer to the outside of the frame and defined by the stop 10.
• the second end position E2, which determines the minimum cross section of the air passage path, is defined by the stop of the rolling roller 7 at the upper end of the inclined plane 61 in connection with the counter bearing through the sealing web 306 of the ceiling part 302 of the ventilation profile 3, as shown in FIG. 2a , 2b can be seen.
• the minimum cross section of the air passage path is adjacent to the room side of the window element.
• the base part 6 is shown in more detail in FIGS. 3a, 3b, 3c.
• the plug pins 63a, 63b in each case in one axis in the longitudinal extension of the base plate, i. H. arranged transversely to the air passage path, as well as side walls 65 for delimiting the air passage path and for guiding the roller roller 7.
• the inclined plane 61 is formed here by roller webs 62 projecting over the base plate 60 of the base part 6, on which the roller roller 7, see FIG. 4 , rests and can be easily moved back and forth in the direction of arrow P with the air flow.
• the roller roller 7 is spherical on its end faces 70 in order to avoid tilting, the side walls 65 also serving as guides.
• the lower end position which corresponds to the end position E1, is also defined here by the plug pins, the plug pins 63b having a base 63c corresponding to the diameter of the bushes 304b.
• the roller roller 7 also lies in its longitudinal axis X transversely to the air passage path on the inclined plane of the base plate 6.
• the inclined plane is inclined by 5 °.
• the base plate 6 also has lateral screw holes 66 for fastening the inner part 31.
• the fastening points with the screw holes 66 have stop surfaces 64 on the other side, which can also serve as the upper end position for the roller 7.
• the inner part 31 according to FIGS. 2a and 2b is shown in detail in FIGS. 6a, 6b.
• the inner part 31 has an angled outer inner leg 31 1, which adjoins the top part 302 essentially horizontally and then runs angled downward.
• the inner leg 31 1 ends at a distance in front of the frame and forms the outlet opening 310 of the air passage.
• the inner part 31 there is a projecting web extending in the direction of the frame profile 1 and parallel to the bottom part 6 314 formed on the inner leg 31 1 so that a passage opening 321 for the air passage in the direction of arrow L is formed between the web 314 and the connection of the inner part 31 to the ventilation profile 3.
• the web has recesses 31 8 within the air passage path formed by the inner leg 31 1.
• the web 314 is at its front edge with a detent 31 5 for positioning on the bottom part 6 and a projecting oblique gradation with two edges 31 6a, 31 6b as stops to limit the rolling path of the roller 7 in the upper end position E2 on the oblique Level formed at the top.
• the inner part 31 is fastened to the ventilation device B, as can be seen from FIG. 1 a, by means of screws 8 which are screwed into the bores 66 of the base part 6.
• the inner leg 31 1 is also spaced from the upper cross member 1 a of the frame 1, so that an air passage path, see FIGS. 2a, 2b according to the arrows L, is made possible by the ventilation device B in both directions from the outside to the room side.
• Ventilation device B a control device is provided with which an automatic control of the forced ventilation depending on the prevailing
• the control element according to FIGS. 2a and b is the
• Ventilation device a loosely inserted roller 7 is provided.
• the roller roller 7 is inclined from a dashed first end position E1 shown at the lower end
• End position E2 at the upper end of the inclined plane 61 can be moved upwards by rolling movement about its longitudinal axis X, wherein in this second upper end position E2 it clears the minimum passage cross section of the air passage path.
• the mode of operation of the control device operating by means of roller 7 is shown schematically in several positions in FIGS. 7a to 7c.
• the roller 7 is in its lower end position E1, d. H. corresponding to the dashed representation in Figure 2a, in which it releases the maximum passage cross section of the air passage path for the passage of air according to arrows L.
• the roller 7 bears against a lower stop 10, which is formed by a boundary wall of the bush 304b of the ceiling part 302 receiving the fastening pin 63.
• the air moving through the air passage path flows according to the arrows L between the bushings 304b and the plug pins 63b inserted therein and meets the roller roller 7, which it flows past in the further course of the air passage path , so that ventilation of the inside of the room RS with a maximum cross section of the air passage path is made possible.
• the wind pressure increases and the wind pressure increases
• Ventilation device B strongly flowing air masses according to the arrows 1 1, the roller roller 7 is moved along the inclined plane 61 in the direction of arrow P from the air masses in the direction of arrow P, the passage cross section for the air passage path being continuously reduced.
• the web 314 has a protruding nose 31 5 on its front edge, which engages in a corresponding groove in a projection 69 of the base part 6.
• the projecting web 314 is provided with a plurality of openings 31 8 for the air passage, see in particular FIGS. 6a, b.
• the stepped stop positioned in this way, according to FIGS. 7b and 7c, together with a protruding sealing web 306 of the ceiling part 302, determines the effective passage cross section of the air passage path through the ventilation device B.
• E2 arrives, in which it is located on the second subsequent stop level 31 6b and both on the second upper stop level 31 6b and on
• Sealing web 306 is present and only the minimum passage cross section of the
• this minimum passage cross section can be zero or one to
• Maintaining the forced ventilation represent the desired residual cross-section, which can be achieved, for example, in that the roller 7 is made slightly narrower than the interior of the ventilation device B, so that a lateral space remains through which a residual volume of air for
• Ventilation of the room interior RS can flow past.
• the inclined plane 61 is also formed with rolling webs 62 projecting beyond the plane surface, which is shown in FIGS. 4, 7a. Only on these rolling webs 62, which extend in the direction of movement P of the rolling roller 7, this rolls depending on the prevailing wind pressure, so that the area responsible for the frictional rolling resistance between the rolling roller 7 and the inclined plane 61 is considerably reduced and the rolling roller 7 is particularly smooth is movable.
• the roller webs 62 increase the insensitivity of the roller roller 7 to dirt and dust particles carried along by the entering air according to arrows L, since these flow under the roller roller 7 following the air flow according to arrows L through the ventilation device B according to arrow S in FIG. 7a can, without the mobility of the roller 7 disturbing deposits can occur.
• the roller is always aligned each time one of its end positions and the resulting stops at the lower stop 1 0 or at one of the upper stops 31 6a, 31 6b, so that tilting of the roller 7 on the inclined plane 61 is avoided. In any case, it is ensured that, regardless of the current position, the longitudinal axis X of the roller roller runs parallel to the longitudinal axis M of the upper cross member 1 a of the frame 1 according to FIG. 1 a.
• the ventilation device B is very dirty, it may be necessary to remove an obstacle to the mobility of the roller 7 by cleaning it. This can be done easily in that the inner part 31 of the ventilation device B is removed from the inside of the room RS.
• the fastening screws 8, with which the inner part 31 is fastened to the bottom part 6 in the manner described above, are unscrewed.
• the projecting web 314 is also removed from its position in the extension of the inclined plane 61 of the base part 6 from the ventilation device B, so that the passage cross section of the air passage path through the step stop now removed from the web 31 4 of the inner part 31 so is greatly enlarged that the roller 7 can be easily removed from the ventilation device B to the room side RS and cleaned.
• the inclined plane on which the roller 7 moves is easily accessible for cleaning. In this way, the ventilation device explained above achieves a very high level of functional reliability even with a high degree of air pollution. To also meet the requirements of adequate
• a sound-absorbing, air-permeable sound insulation element for example made of a suitable non-woven material, can be used in the area of the air passage for sound insulation.
• a sound insulation element 5 is inserted from the room side RS into the inner part 31 between its inner leg 31 1 and the upper cross member 1 a of the frame 1, so that the air flowing through the ventilation device B before it enters the sound insulation element 5 must pass into the interior of the room RS, as a result of which a high sound insulation is achieved in relation to the outside of the window element.
• the ventilation device in which a board-like flap 7a is provided as a loose, movable control element in the ventilation path L instead of a roller roller.
• the ventilation device is formed by the bottom part 6, which rests on the upper cross member 1 a of the frame and a U-shaped ventilation profile 3 is spaced above the bottom part with its cover part 302, the outer leg 300 spaced from the frame on the outside AS runs and the inner leg 31 a at a distance in front of the frame on the inside of the room RS, whereby a U-shaped cavity 30 and thus air passage L is formed from the outside to the room side and vice versa.
• the board-like loose flap 7a sits with its one longitudinal edge 71a on the bottom part 6.
• the movement path in the direction of the room side is limited by means of the support element 67, which projects from the base part 6 into the air passage path L.
• the flap 7a lies with its longitudinal edge 71a in the region of the angle formed between the support element 67 and the base part and can be moved back and forth about this longitudinal edge 71a as a pivot axis SW in the direction of arrow P, see FIG. With its other longitudinal edge 71b, the flap 7a lies in its maximum
• the second end position E2 of the flap 7a is still inclined towards the outside of the window element with respect to the vertical V, at a small angle between 3 to 10 °, so that the flap 7a in the direction when the wind pressure decreases
• the outside and the support element 68 also move back and fall due to their own weight, as a result of which the cross section of the air passage path is increased again.
• FIG. 10 shows the board-like design of the flap 7a, which can be moved back and forth between its intended end positions E1 and E2 around its longitudinal edge 71a at the support points 67 in accordance with the prevailing wind pressure conditions and the air flow in the air passage path L.
• the flap 7a In the end position E2 shown in FIG. 9, the flap 7a practically completely closes the cross section of the air passage path.
• the opening thus forms a residual cross-section for the air passage path when the flap 7a is in the end position E2, which also enables the desired low forced ventilation at high wind pressures.
• Other options are also possible to allow minimal residual ventilation even under high wind pressures.

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• Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Chemical & Material Sciences (AREA)
• Mechanical Engineering (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
• Window Of Vehicle (AREA)
• Ventilation (AREA)
• Building Environments (AREA)
• Details Of Aerials (AREA)
• Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

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• 1997
  • 1997-09-17 DE DE59711266T patent/DE59711266D1/de not_active Expired - Lifetime
  • 1997-09-17 AU AU46233/97A patent/AU4623397A/en not_active Abandoned
  • 1997-09-17 EP EP97944884A patent/EP1005621B1/fr not_active Expired - Lifetime
  • 1997-09-17 AT AT97944884T patent/ATE258668T1/de not_active IP Right Cessation
  • 1997-09-17 WO PCT/EP1997/005077 patent/WO1999009357A1/fr active IP Right Grant

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