EP0236557B2 - Dispositif d'aération - Google Patents

Dispositif d'aération Download PDF

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Publication number
EP0236557B2
EP0236557B2 EP86115982A EP86115982A EP0236557B2 EP 0236557 B2 EP0236557 B2 EP 0236557B2 EP 86115982 A EP86115982 A EP 86115982A EP 86115982 A EP86115982 A EP 86115982A EP 0236557 B2 EP0236557 B2 EP 0236557B2
Authority
EP
European Patent Office
Prior art keywords
section
extruded
flap
ventilator according
profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP86115982A
Other languages
German (de)
English (en)
Other versions
EP0236557A2 (fr
EP0236557B1 (fr
EP0236557A3 (en
Inventor
Eckhard Kucharczyk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siegenia Aubi KG
Original Assignee
Siegenia Frank KG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27510952&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0236557(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19863603686 external-priority patent/DE3603686A1/de
Priority claimed from DE3603591A external-priority patent/DE3603591C1/de
Priority claimed from DE8623856U external-priority patent/DE8623856U1/de
Priority claimed from DE19863631732 external-priority patent/DE3631732A1/de
Priority claimed from DE19863632349 external-priority patent/DE3632349A1/de
Priority to AT86115982T priority Critical patent/ATE71453T1/de
Application filed by Siegenia Frank KG filed Critical Siegenia Frank KG
Publication of EP0236557A2 publication Critical patent/EP0236557A2/fr
Publication of EP0236557A3 publication Critical patent/EP0236557A3/de
Publication of EP0236557B1 publication Critical patent/EP0236557B1/fr
Application granted granted Critical
Publication of EP0236557B2 publication Critical patent/EP0236557B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1406—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by sealing means
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1486—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges
    • 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
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F2007/0025—Ventilation using vent ports in a wall
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors

Definitions

  • the invention relates to a ventilation device for rooms with an elongated, rectangular housing, which is composed of several longitudinal extruded profiles and two end plates and in which each extruded profile can optionally consist of light metal or plastic, with an outer, essentially upright extruded profile optionally on one or several locations distributed over its length each has an air passage opening, while an opposite, likewise substantially upright, inner extrusion profile contains air passage openings arranged uniformly distributed over its entire length, which are either closable or by an additional, adjustable extrusion profile assigned to it within the housing can be released, the outer extruded profile and the inner extruded profile arranged by upper and lower, essentially lying.
  • Extruded profiles are in a holding connection with each other and the adjustable extruded profile within the housing as a flap hung pivotably about one of its longitudinal edges is executed, on which a hook profile formed along this longitudinal edge forms the suspension, which engages over a hook profile directed opposite to it on the inner extruded profile and thereby the hook profile of the flap itself is in turn supported and fixed by a web profile.
  • the peculiarity of this known ventilation device is that within the housing a flow channel is only present when the flap is open and therefore cold air outside can only act on areas of the housing cross section that are distant from the interior, so that a high thermal insulation capacity is achieved.
  • the ventilation device which has become known from DE-U-84 17 343 also has a similar configuration.
  • the invention aims at the creation of a ventilation device of the type mentioned at the outset, which makes it possible to assemble and disassemble all functional parts interacting in practical use with any possible interior. It is also the purpose of the invention to obtain a structurally particularly simple design of the ventilation device. On the one hand, this should be easily adaptable to a wide variety of installation needs, in particular installation lengths, and it is also the Possibility sought that the ventilation duct - possibly even later - can be designed with the simplest means as a sound insulation duct, the parts of which can be easily replaced and cleaned if necessary.
  • the inner extruded profile which is provided along its entire length with air passage openings arranged in the manner of a lattice hole, can be manually coupled and uncoupled with the extruded profile forming the flap by means of a hook-in connection, but at the same time it must be ensured that that when the inner extruded profile is attached to the housing, this hook-in connection is automatically and inevitably secured, and that in the closed position the flap is pressed evenly over its entire length against the inside of the inner extruded profile.
  • the web profile is located on the upper extruded profile of the housing, which carries or holds the inner extruded profile, and in that the extruded profile forming the flap contains a dovetail or C-shaped undercut guide profile on its longitudinal edge facing away from the hook profile, into which a locking rail or the like can be moved longitudinally and which is associated with abutments on both sides in the end plates of the housing, which form locking elements or interventions when the flap is in the closed position.
  • the light but reliable holding connection of the inner extruded profile at its two longitudinal edges can be brought about in an advantageous manner by means of C- or U-shaped locking claws, which can also be releasably locked and / or closed in C- or U-shaped locking claws of the two extruded profiles carrying it jammed.
  • the extruded profile forming the flap is a hollow profile which has at least on its inner longitudinal side retaining webs for a strip or block of sound absorbing material. In this way, the sound-absorbing material is kept detachably connected to the flap for cleaning purposes.
  • a design of the ventilation device which favors the air flow through the housing results according to the invention in that the outer extruded profile has a longitudinally extending, outwardly projecting and approximately trapezoidal profiled hollow rib, in the downward-pointing profile wall of which the air passage openings are incorporated, preferably this profile wall is protruding downwards from the drip nose.
  • a C-shaped or G-shaped profile made of sound-absorbing material is used in the housing, which on the one hand has at least one in its wall adjacent to the hollow rib of the outer extruded profile the hollow rib has an opening, while its slot-like longitudinal opening on the opposite wall is at least approximately at the level of the suspension of the rattles on the inner extruded profile.
  • the outer extruded profile is positively connected at its longitudinal edges with the interposition of coupling profile bars with the upper and the lower, horizontally arranged extruded profile, then all the extruded profiles can consist of a thin-walled light metal, while the coupling profile bars are made of heat-insulating plastic. These measures create a lightweight but stable and yet heat-insulating housing for a ventilation device.
  • a good cohesion of the housing is also ensured in that the coupling members made of complementary, undercut profiled webs and grooves, for example those with a circular arc-limited cross section, are provided on the coupling profile bars and the extruded profiles associated therewith.
  • the upper and lower extruded profiles each have two longitudinal webs or ribs projecting towards their inner side, each spaced from the main plane of the outer and inner extruded profile, and between them in the housing an air guide chamber formed from two molded parts symmetrical to a horizontal longitudinal center plane can be used, which delimits a tubular air passage towards the outer extruded profile, while still containing air passage openings directed from the opposite side.
  • This configuration makes it possible to first insert the two molded parts for the air guiding chamber into the housing independently of one another from the longitudinal side open when the internal extruded profile has been removed, and then to insert them in a mirror-inverted position to be brought into alignment or axial alignment within the housing by longitudinal displacement.
  • the air guiding chamber can also be displaced in the longitudinal direction as a whole within the housing and fixed in any desired relative position, for example simply by laterally inserting the sound-absorbing material profiles.
  • the longitudinal wall of the air guide chamber opposite the air passage forms a releasable connecting part for the two molded parts and the support for a blower, in particular an axial fan, which can be inserted into the air guide chamber.
  • a particularly simple embodiment is also achieved in that the cross-sectionally C-shaped profile made of sound-absorbing material is formed by a flat strip of material which is inserted transversely into the housing with a double kink in the longitudinal direction and is held therein under internal stress, and in that case only that the air guide chamber adjoining ends of the C-profiles are covered on their opening side by relatively short laminated tongues.
  • the desired high sound absorption effect can be achieved if the length of the laminate tongues corresponds approximately to the clear cross-sectional height of the C-profile, i.e. over most of its length towards the room side optional closing or opening of the air passage serving extrusion profile is provided completely open.
  • the invention proposes that the cross-sectionally C-shaped profile made of sound-absorbing material is preceded on the outside by a multilayer wall, the cover layers of which consist of relatively thin, sound-resistant material, e.g. hard plastic or sheet metal, while the intermediate layer consists of relatively thick sound-absorbing material is formed.
  • This multi-layer wall can also be easily removed and installed in the cuboid housing in such a way that it is effective as a support system for the web of the cross-sectionally C-shaped profile made of sound-absorbing material.
  • the sound insulation effect of the ventilation device is improved in a special way by this measure.
  • outer wall of the housing consists of three extruded profiles which can be connected or connected to one another by latching and / or clamping couplings, of which the middle one is interrupted one or more times to form the air passage openings.
  • the air passage openings can be easily determined in terms of their number and length simply by correspondingly different length dimensioning of the sections of the central extruded profile.
  • the length adjustment only requires simple separating cuts on the individual extruded profiles when building the housing.
  • the upper and the lower extruded profile of the outer wall each consist of light metal, while the central extruded profile is made of plastic.
  • Another design feature essential to the invention also consists in the fact that a sound-absorbing duct with a trapezoidal cross-section is formed in the housing, on the one hand by the central extruded profile and on the other hand by three mutually inclined insulation strips, e.g. is made of foam plastic or foam rubber.
  • the insulation strip of the soundproofing duct which is aligned parallel to the central extruded profile, can be coated on the outside with a plate made of weight material, e.g. Metal sheet, be occupied.
  • the insulation strip aligned parallel to the central extruded profile of the outer wall is preferably inserted into the housing in such a way that its plate made of weight material is still a relatively large distance from the inner wall of the housing and, in the available space here, the closing plate serving as a shut-off device between its closed position and its release position can be arranged adjustable.
  • the insulation strip aligned parallel to the central extrusion profile is perforated or divided in the longitudinal direction, the opening or interruption areas being offset laterally - with a gap - with respect to the air passage openings kept free from the central extrusion profile of the outer wall.
  • the insulation strips of the soundproofing duct between the longitudinal webs and / or strips on the inside of the housing can be held releasably with clamping tension, the insulation strips covered with weight material preferably being additionally secured in position by spring clips that have been blown in.
  • the use of a rotary drive and locking gear for is also advantageous the flap behind the end plate, which is arranged on the room side and is provided with air passage openings, in particular with grid perforations, of the cuboid housing, for example.
  • the flap which is pivotably mounted about one of its longitudinal edges, is in operative engagement with a control lever which is pivoted parallel to it, the control lever being pivotably mounted about an axis which is offset relative to the pivot bearing of the flap, both in the vertical and in the vertical direction, and one is curved in the pivot plane has curved stroke curve, which has a varying distance relative to the bearing axis over at least part of its length and engages on a projection at the end of the flap.
  • Such a swivel drive and locking gear is normally structurally designed so that it is supported at one end of the cuboid housing and only there between this housing and the flap is effective both for opening and closing and for locking the same.
  • a swivel drive and locking gear of this design has a locking effect at least at both ends of the flap in the closed position of the flap and thereby optimizes the tight closure of the ventilation device in the area of the air passage openings on the room side, it is therefore of particular advantage that the actuating lever has another, transverse to it Swing plane directed stroke curve with which a push rod serving as a locking bar is in engagement, which is displaceably guided on the flap at a distance parallel to its pivot bearing and has at least one locking piece that can be brought into and out of a retaining connection with a locking engagement on the housing side.
  • the swivel drive and locking gear according to the invention is particularly advantageous in so far as it can be easily adapted to any possible length of the ventilation devices, simply by cutting the push rod to a length that corresponds to the distance between the control lever mounted on one end of the housing and the latch engagement provided at the other end of the housing is adapted.
  • the locking of the flap located in the closed position is effected via the projection thereof which is in engagement with the first stroke curve, while at the opposite end of the ventilation device the push rod end immediately comes into holding connection with the locking engagement on the housing side.
  • one stroke curve is a curved slot or a curved nose in the side surface of the control lever, into which the projection of the flap protrudes sideways, while the second stroke curve is located in a recess formed in the same side surface, over the first stroke curve of the control lever there is an inevitable pivoting movement of the flap produced between their closed position and the open position, while the second stroke curve can at least move the push rod non-positively.
  • the trough or the second stroke curve is offset in the radial and circumferential directions from the first stroke curve in the side surface of the actuating lever, so that the projection of the flap interacting with the first stroke curve and the push rod guided thereon can be pushed radially can have a different distance from the pivot bearing of the flap.
  • the actuating lever is designed symmetrically to a plane intersecting its swivel axis at right angles, that is to say provided on both side surfaces with two lifting curves . If the actuating lever is mounted on the inside of an end plate of a housing, it can be in contact with one end of the push rod guided in the flap via the second lifting curve located in its side surfaces facing away from the end plate, while at least the other end of this push rod on the opposite end plate of the housing is assigned a bevel as bolt engagement and abutment.
  • the push rod is merely moved between its locking position and its unlocking position between the second stroke curve of the actuating lever and the bevel of the locking engagement or abutment, whereby it reaches the unlocking position depending on the opening-pivoting movement of the flap by the locking engagement or abutment associated end slides on the bevel.
  • the tightening slope with the bolt engagement or abutment is provided parallel to the plane of the end plate, preferably continuously, in an adjustable or adjustable manner, because in this way the closing pressure for the flap can be matched to the existing requirements at any time.
  • the positioning or. Adjusting member for the bolt engagement or the abutment formed by a screw spindle, which rotatably but axially immovable in the end plate, and on her exposed end is provided with a tool engagement.
  • the screw spindle can be actuated, for example, by a screwdriver.
  • the push rod consists of a wear-resistant plastic profile which is received in an undercut longitudinal groove on the flap which serves as a guide profile.
  • the plastic profile can have a flat, rectangular cross section and only act directly as a locking piece with its end facing away from the adjusting lever.
  • it could also have an approximately T-shaped cross-section, the T-web protruding from the longitudinal groove and having toothing which is uniformly distributed over its entire length and which can come into and out of operative connection with associated counter-toothing within the housing.
  • the locking engagement or the abutment which interacts with the free end of the push rod can be located in an insert which is held in a cutout of the end plate, but is fixed in a form-fitting manner.
  • the insert can also be used for optional right and left installation become.
  • the invention is also characterized in that the actuating lever carries a tooth segment at a point diametrically opposite the actuating cam protruding from the end plate, with which a drive pinion of an actuating motor can be brought into engagement, while in the area between the toothed segment and the actuating cam on the actuating lever can still sit a driver with which an electrical switching and / or regulating element for the shift motor of a blower can be brought into engagement.
  • a swivel drive and locking gear according to the invention can be used in a variety of ways, ie it can be used practically in one and the same design for ventilation devices which have the most varied of equipment.
  • the control lever can not only be operated directly via its actuating cam or manually by interposing a linkage, but it can also be moved by an electric actuator.
  • the control lever itself can also be used to switch an electric blower installed in the ventilation device on and off or to regulate its working speed.
  • a ventilation device can also be equipped with a fan that can be influenced by a speed controller and operated by an electric motor.
  • the invention provides that the speed controller has two coils inductively coupled to one another exclusively by a common, axially displaceable core, of which the primary coil is connected through a capacitor and possibly a resistor connected in parallel as a spark extinguisher a switch contact can be connected to the network, while the secondary coil with a diode, a capacitor, at least one resistor and a transistor and a bridge rectifier the speed control circuit for the electrom otor of the fan forms.
  • the invention provides that the axially displaceable core continuously penetrates the entire length of the secondary coil, while its operative position can be shifted between a maximum dimension and a minimum dimension relative to the primary coil.
  • the diameter of the core is approximately 15% smaller than the inside diameter of the coils, which e.g. at a length of 18 mm, have a resistance of 1200 ohms.
  • the core of the two coils consists of a welding wire alloy, while a MOS-FET transistor is proposed for use as a transistor.
  • a ventilation device 1 for rooms is shown, which is preferably suitable for installation in fixed frames or sashes of windows and doors, but which can also be used in slot-like wall openings if necessary.
  • This ventilation device 1 has an elongated, rectangular housing 2, which is composed of a plurality of longitudinally extruded profiles 3, 4, 5 and 6 and two end plates 7a and 7b.
  • extruded profiles 3, 4, 5 and 6 are preferably made of thin-walled light metal, while the two end plates 7a and 7b are made as injection-molded parts made of plastic.
  • the shape of the extruded profiles 3, 4, 5 and 6 can be seen in detail from FIGS. 2 and 3.
  • the result is that the outer extruded profile 3 of the housing 2 is arranged essentially upright and has a longitudinally extending, outwardly projecting and approximately trapezoidal profiled hollow rib 3a, which has a has upper, inclined profile wall 3b, a vertical profile wall 3c and a lower, inclined profile wall 3d, which is drilled downward in the same plane with the profile wall 3c by a drip nose 3e.
  • Air passage openings 8 which preferably have an elongated slot shape, can be punched out of the lower, inclined profile wall 3d distributed over the length of the hollow rib 3a, as can be clearly seen in FIGS. 4 and 4 '.
  • the inner extruded profile 4 of the housing 3, which is opposite the outer extruded profile 3, is likewise arranged essentially upright and has air passage openings 9 which are distributed uniformly over its entire length and which are arranged, for example, in three rows one above the other and form a grille perforation, as clearly shown in FIG 1 can be seen.
  • the connection between the outer extruded profile 3 and the inner extruded profile 4 is formed by the essentially horizontally arranged, two extruded profiles 5 and 6, which have the same profile cross section, but are arranged symmetrically to each other to a horizontal plane.
  • the two extruded profiles 5 and 6 each have a longitudinal, bead-shaped thickening 5a or 6a, with which a plastic profile rod 10 or 11 manufactured by extrusion can be brought into a form-fitting holding engagement via a complementary longitudinal groove 10a or 11a.
  • Each of the plastic profile bars 10 and 11 has on its longitudinal side opposite the undercut profile groove 10a or 11a an undercut profile bead 10b or 11b, which in turn can be brought into a positive locking connection with a complementary longitudinal groove 3f and 3g on both longitudinal edges of the outer extruded profile 3 .
  • the inner longitudinal edge of the extruded profiles 5 and 6 is provided with an approximately Z-shaped bend 5b or 6b, the free leg 5c or 6c of which interacts with the inner extruded profile 4 as an alignment and holding element.
  • the inner extruded profile 4 has a development 4a and 4b on each of its two longitudinal edges, which engages around the free leg 5c or 6c on the outside.
  • each latching claw 4c is provided with a longitudinal bead 4g which is latched behind by a likewise longitudinal bead 5d and 6d of the free leg 5c and 6c of the extruded profiles 5 and 6, respectively.
  • a claw-like profile 5e or 6e runs against the leg 5c or 6c, which overlaps the leg 4e of the inner extruded profile 4 and is kept in sealing contact with the round cord seal 10 .
  • the profiles 5e and 6e are in turn encompassed by the longitudinal web 4d of the locking claws 4c of the inner extruded profile 4, so that they form the outer longitudinal termination of the inner extruded profile 4 with respect to both extruded profiles 5 and 6.
  • a hook profile 4h is integrally formed above the air passage openings or lattice perforations 9, which has an upward, free hook leg 4i, which ends at a predetermined distance below the free leg 5c of the upper extruded profile 5.
  • an undercut longitudinal groove 4k is in turn formed in the rear of the inner extruded profile 4, each of which forms a holder for a rubber or plastic lip seal 13.
  • the rear of the inner extruded profile 4 is also pivotally associated with a flap 14 formed by an extruded profile, namely a hollow profile, its suspension consisting of a hook profile 14a integrally formed along its upper longitudinal edge, which has the upward leg 4i of the hook profile 4h on the inside Extruded profile 4 engages from above.
  • the hook profile 14a of the rattles 14 is simply hooked from above into the free leg 4i of the hook profile 4h on the inner extruded profile 4, its approximately triangularly profiled inner surface 14b being pivotally supported on the circular end surface of the hook leg 4i.
  • the hook profile 14a of the flap 14 is overlapped by the free leg 5c of the extruded profile 5 with little play, the leg 5c forming a securing web which one Unhooking the hook profile 14a counteracts, as long as the inner extruded profile 4 is held together by the snap connections with the extruded profiles 5 and 6.
  • the flap 14 with its hook profile 14a can easily be brought into and out of holding engagement with the hook profile 4h of the inner extruded profile 4.
  • the flap 14 formed from a hollow extruded profile, in its vertically depending position, blocks the air passage openings or grille perforations 9 of the inner extruded profile 4, the lip seals 13 each having a sealing fold 14c on the flap 14 in sealing engagement come. 5, the flap 14 can be pivoted about its hook profile 14a relative to the inner extruded profile 4a into the open position according to FIGS. 2 and 3, so that the air passage openings or grille perforations 9 are released towards the inside of the housing 2.
  • the extruded hollow profile forming the flap 14 has on its inner longitudinal side two hook-shaped holding webs 14d facing one another for a strip or block of sound-absorbing material 15, such that it is easily detachably connected to the flap 14 for cleaning purposes.
  • the flap 14 is also provided with a dovetail or C-shaped undercut profiled longitudinal groove 14e, in which a locking rail 16 can be moved, with the aid of which the flap 14 can be seen in FIG. 5 Locked position, preferably on the two end plates 7a and 7b of the housing 2 and can be fixed in abutments formed there.
  • the Fig. 2 can be seen that there is the possibility, in the housing 2 of the ventilation device 1, an approximately C or G-shaped profile 17 made of sound absorbing material, for. B. foam rubber or foam plastic.
  • this can have at least one opening 17b in its wall 17a adjacent to the hollow rib 3a of the outer extruded profile 3, while its slot-like longitudinal opening 17c in the opposite longitudinal wall 17d extends uninterruptedly over the entire length and - in the exemplary embodiment shown - approximately at the level of the suspension 14a, 4h of the flap 14 on the inner extruded profile 4.
  • an air-guiding and sound-absorbing channel 18a, 18b, 18c, 18d which is wound several times in its cross-sectional direction, is formed within the housing 2, which leads to the interior of the room both when the flap 14 is closed and when it is open, by means of the strip or block attached to it made of sound absorbing material 15 is limited.
  • the profile made of sound-absorbing material 17 only approximately C-shaped or U-shaped, the flap 14 with the strip or block of sound-absorbing material 15 then being assigned to the open cross-sectional side of this sound-absorbing profile.
  • an air guide chamber 19 can also be inserted into the housing 2 of the ventilation device 1.
  • the upper extruded profile 5 and the lower extruded profile 6 are each provided with two longitudinal webs 5f, 6f and 5g, 6g projecting towards their inner side, each of which has a distance from the main plane of the inner extruded profile 4 and the outer extruded profile 3.
  • the air guide chamber 19 can be inserted between these longitudinal webs 5f, 6f and 5g, 6g, as can be clearly seen in FIG. 3.
  • This air guide chamber 19 is formed by two molded parts 19b and 19c which are symmetrical with respect to a horizontal longitudinal center plane 19a-19a and by a connecting part 20 assigned to them.
  • the two molded parts 19b and 19c of the air guiding chamber 19 delimit a tubular air passage 19d towards the outer extruded profile 3, while they further determine passage openings 19e and 19f directed therefrom from opposite sides, as can be seen in FIGS. 3 and 4.
  • the two molded parts 19b and 19c can each be individually inserted into the housing 2 of the ventilation device with the inner extruded profile 4 removed and inserted between the longitudinal webs 5f, 5g and 6f, 6g in a mirror image position with respect to one another.
  • By mutually longitudinally displacing the two molded parts 19b and 19c they then come into coincidence with one another, as can be seen in FIGS. 3 and 4.
  • They can then be fixed relative to one another by inserting and fastening the releasable connecting part 20 forming the rear wall of the air guide chamber.
  • the position fixing of the air guide chamber 19 in the longitudinal direction of the housing 2 can be effected by means of the molded parts made of sound absorbing material 17, which can then be inserted into the housing 2 of the ventilation device 1 on both sides of the air guide chamber 19.
  • the tubular air passage 19d is in constant communication with the air passage openings 8 in the outwardly projecting, approximately trapezoidal profiled hollow rib 3a of the outer extruded profile 3, and possibly also over those length regions of the hollow rib 3a which are shielded inwardly by the sound absorbing material 17 2, 4 and 4 '.
  • the side-facing Passage openings 19e and 19f of the air duct chamber 19, on the other hand, are only connected to the air duct and sound absorption channels 18a, 18b, 18c, 18d within the sound absorption material 17.
  • the laterally directed sections of the air guide chamber 19 are provided with slot-shaped incisions 19g and 19h over their entire height, that is to say on both molded parts 19b and 19c, as can be seen in FIG. 4.
  • the slot-shaped incisions 19g are located on the side of the air guide chamber 19 facing the inner extruded profile 4, while the slot-shaped incisions 19h are assigned to the area of the housing 2 adjacent to the outer extruded profile 3.
  • slot-shaped incisions 19g While in each case only one slot-shaped incision 19g is formed on each side of the air guide chamber 19, the slot-shaped incisions 19h are each provided several at a distance in the direction of the depth of the air guide chamber 19.
  • the slot-shaped incisions 19g can extend over the entire height of the housing 2 of the ventilation device 1 air baffle 21 with one end 21a, while the other end 21b is brought into engagement with the profiles made of sound-absorbing material 17.
  • a similar air baffle 22 can be brought into engagement in any slot-like incision 19h with its one end 22a, while its other end 22b likewise engages with the profile made of sound-absorbing material 17.
  • the air is guided through the free space 23 between the two guide walls 21 and 22, the cross section of this free space 23 following the air guide chamber 19 being able to be varied to the extent that the various slot-like incisions 19h allow.
  • a blower 24 can also be installed in the air guide chamber 19, which is preferably designed as an axial fan.
  • the impeller or the propeller 24a of this axial fan 24 is received within the tubular air passage 19d, as can be seen from the dash-dotted lines in FIGS. 3 and 4.
  • the stator or drive motor 24b of this axial fan 24 projects rearward into the air guide chamber 19 and is fastened there on the wall forming the connecting part 20 between the two molded parts 19b and 19c.
  • the guide walls 21 and 22 between the air guide chamber 19 and the molded parts made of sound-absorbing material 17 can also be made significantly shorter, as shown in FIG. 4. It is in fact possible to design them so that the profiles are made of sound-absorbing material 17 connect practically immediately laterally to the air guide chamber 19, so that the guide walls 21 and 22 only slightly overlap their ends.
  • a ventilation device 1 makes it possible. To build installation cross sections with 80 to 100 millimeters cross-sectional side length of the housing 2, but still achieve a good air flow and good sound insulation.
  • a ventilation device 31 for rooms is shown, which is preferably suitable for installation in fixed frames or sashes of windows, doors or the like, but which may also be used in slot-like wall openings or placed in front of wall openings can be.
  • This ventilation device 31 has an elongated, rectangular housing 32 which is composed of a plurality of longitudinally extruded profiles 33, 34, 35 and 36 and two end plates 37a and 37b.
  • the extruded profiles 33, 34, 35 and 36 can preferably be made of thin-walled light metal, while the two end plates 37a and 37b are made of plastic as injection molded parts. However, all of these components can also consist of the same material, for example light metal or plastic.
  • the shape of the extruded profiles 33, 34, 35 and 36 can easily be seen in FIG. 7 of the drawing.
  • the outer extruded profile 33 of the housing 32 is provided with air passage openings 38 which are distributed over its length, as can be seen in FIG. 2 without any problems.
  • the inner extruded profile 34 of the housing 32 opposite the outer extruded profile 33 is arranged essentially upright and has air passage openings 39 which are distributed uniformly over its entire length and which are arranged, for example, in three rows one above the other and form a grille perforation, as clearly shown in FIG. 6 can be seen.
  • connection between the outer extruded profile 33 and the inner extruded profile 34 is formed by the essentially horizontally arranged, two extruded profiles 35 and 36, which have a matching profile cross-section, but are arranged symmetrically to one another with respect to a horizontal plane.
  • the two extruded profiles 35 and 36 each have a longitudinal, bead-shaped thickening 35a, 36a, with which a plastic profile rod 40 or 41 manufactured by extrusion has a complementary one Longitudinal groove 40a and 41a can be brought into positive engagement.
  • Each of the plastic profile bars 40 and 41 has on its longitudinal side opposite the undercut profile groove 40a or 41a an undercut profile bead 40b or 41b, which in turn is brought into a positive locking connection with a complementary longitudinal groove 33a or 33b on both longitudinal edges of the outer extruded profile 33 can.
  • the plastic profile bars 40 and 41 produce a heat-insulating holding connection between the outer extruded profile 33 and the upper extruded profile 35 and the lower extruded profile 36 of the housing 32 in this way.
  • the inner longitudinal edge of the extruded profile 35 and 36 is provided with an approximately Z-shaped bend 35b or 36b, the free leg 35c or 36c of which interacts with the inner extruded profile 34 as an alignment and holding element.
  • the inner extruded profile 34 has an angled portion 34a and 34b on each of its two longitudinal edges, which surrounds the free legs 35c and 36c on the outside.
  • a hook profile 34c is integrally formed on the rear side of the inner extruded profile 34 above the air passage openings or lattice perforations 39, which has an upward, free hook leg 34d which ends at a predetermined distance below the free leg 35c of the upper extruded profile 35.
  • the back of the inner extruded profile 34 is also pivotally associated with a flap 44 formed by an extruded profile, namely a hollow profile, its suspension consisting of a hook profile 44a integrally molded along its upper longitudinal edge, which on the inner side has the upwardly directed leg 34d of the hook profile 34c Extruded profile 34 engages from above.
  • the hook profile 44a of the flap 44 is simply hooked from above into the free leg 34d of the hook profile 34c on the inner extruded profile 34, its inner surface being pivotally supported on the circular end surface of the hook leg 34d.
  • the leg 35c forming a securing web which counteracts the hook profile 44a from being detached as long as the inner extruded profile 34 by the snap-in connections to the extruded profiles 35 and 36 is held together.
  • the flap 44 with its hook profile 44a can easily be brought into and out of holding engagement with the hook profile 34c of the inner extruded profile 34.
  • the extruded hollow profile forming the flap 44 has on its inner longitudinal side two hook-shaped holding webs 44b and 44c for a strip or block 45 made of sound-absorbing material, in such a way that it is easily detachably connected to the flap 44 for cleaning purposes.
  • Fig. 7 it can also be seen that in the housing 32 of the ventilation device 31 approximately C-shaped profiles 47 made of sound-absorbing material, e.g. Foam rubber or foam plastic, sit.
  • These profiles 47 are formed in the simplest way from a flat strip of material, which is inserted transversely into the housing 32 when the inner extruded profile 34 is removed and thereby receives a double kink 47a, 47b in the longitudinal direction, so that a profile web 47c with two on it subsequent profile legs 47d and 47e is formed.
  • the C-shaped profile 47 formed in this way is held exclusively under internal stress within the housing 32, the free end edges 47f and 47g of the legs 47d and 47e being securely supported against the inner surfaces of the vertical webs on the Z-shaped bends 35b and 36b.
  • the cross-sectionally C-shaped profiles 47 made of sound-absorbing material each enclose a sound-absorbing duct 48 on three sides within the housing 32, two such sound-absorbing ducts 48 originating from an air guide chamber 49, which is accommodated within the housing 32, as can be seen in FIG. 8.
  • the air guide chamber 49 has a tubular air passage 49a towards the outer extruded profile 33, while it also has through openings 49b and 49c directed from opposite sides thereof, to which the sound absorption channels 48 then connect.
  • the laminate tongues 50a and 50b are advantageously part of a plate 50 made of soundproof material, which can be detachably connected to the housing of the air guide chamber 49.
  • the length of the laminate tongues 50a and 50b is in each case dimensioned such that it corresponds approximately to the clear cross-sectional height of the C-profile 47 between its two legs 47d and 47e. It has been shown that such a, relatively small length dimension of the laminate tongues 50a and 50b is completely sufficient to work in conjunction with the Flow switch for the air-guiding chamber 49 and the sound-absorbing channels 48 adjoining its through openings 49b and 49c to achieve the high sound-absorbing effect that is worth striving for.
  • the sound absorption channels 48 formed by the C-shaped profiles 47 can remain completely open towards the flap 44 or to the air passage openings or grille perforations 39 without a reduction in the sound absorption effect. Cleaning and / or replacement work of the C-shaped profiles 47 formed from the flat strips of material are thereby considerably facilitated. After removal of the inner extruded profile 34 with the flap 44, they are easily accessible from the inside in the housing 32.
  • the two cover layers 51a and 51b of this multilayer wall 51 each consist of a relatively thin, sound-resistant material, for example of hard plastic and / or of metal sheet which acts as a weighting element.
  • the intermediate layer 51c is formed from relatively thick sound-absorbing material, for example cellular rubber, foam plastic or also a non-woven fabric.
  • the width of the multi-layer wall 51 is dimensioned such that it can be inserted into the housing 32 of the ventilation device 31 without any problems and its longitudinal edges can be fixed in position between the two extruded profiles 35 and 36, as can be seen from FIG. 7.
  • a fan can also be inserted into the air guide chamber 49 and possibly into its air passage 49a. This can be carried by the plate 50, which is releasably attached to the housing of the air guide chamber 49.
  • FIG. 9 shows the overall view of a ventilation device 61 for rooms, which is preferably suitable for installation in fixed frames or sashes of windows and doors, but which can also be used in slot-like wall openings if necessary.
  • the ventilation device 61 has an elongated, rectangular housing 62 which is composed of a plurality of longitudinally extruded profiles 63, 64, 65 and 66 and two end plates 67a and 67b.
  • the extruded profile 63 is formed by three extruded profile parts 63a, 63b and 63c, which are connected to one another by longitudinal locking and / or clamping couplings 63e and 63f.
  • the extruded profile parts 63a and 63b are preferably made of thin-walled Made of light metal, while the extruded profile part 63c consists of hard plastic.
  • the extruded profile parts 64, 65 and 66 can also advantageously be made from thin-walled light metal, while the end plates 67a and 67b are in turn made from plastic, for example as injection molded parts.
  • extruded profile 63 forming the outer wall of the housing 62 is arranged essentially upright and its extruded profile part 63a has a longitudinally extending, outwardly projecting and downwardly open hollow rib 63g, which has an upper, inclined profile wall 63h and a perpendicular Has profile wall 63i.
  • the hollow rib 63g completely overlaps the extruded profile part 63c from above, the lower edge of its profile wall 63i extending as a drip nose over the upper edge of the lower extruded profile part 63b.
  • the extruded profile 64 forms the inner wall of the housing 62 and is also arranged essentially upright. It has air passage openings 69 which are distributed uniformly over its entire length and which, for example, are arranged one above the other in three rows and form a grille perforation, as can be clearly seen in FIG. 9.
  • the connection between the outer extruded profile 63 and the inner extruded profile 64 is formed by the substantially horizontally arranged two extruded profiles 65 and 66, which have the same profile cross-section but are arranged symmetrically to a horizontal plane.
  • the two extruded profiles 65 and 66 each have a longitudinal, bead-shaped thickening 65a or 66a, with which a plastic profile rod 70 or 71 made by extrusion can be brought into a form-fitting holding engagement via a complementary longitudinal groove 70a or 71a.
  • Each of the plastic profile bars 70 and 71 has on its longitudinal side opposite the cut profile groove 70a or 71a an undercut profile bead 70b or 71b, which in turn can be brought into a positive locking connection with a complementary longitudinal groove 63k or 631 on both longitudinal edges of the extruded profile 63 .
  • the plastic profile bars 70 and 71 produce a heat-insulating holding connection between the outer extruded profile 63 and the upper extruded profile 65 and the lower extruded profile 66 of the housing 62 in this way.
  • the inner longitudinal edge of the extruded profiles 65 and 66 is provided with an approximately Z-shaped bend 65b to 66b, the free leg 65c or 66c of the same interacting with the inner extruded profile 64 as an alignment and holding element.
  • the inner extruded profile 64 has an angled portion 64a and 64b on each of its two longitudinal edges, which surrounds the free leg 65c and 66c on the outside.
  • a hook profile 64c is integrally formed above the air passage openings or lattice perforations 69, which has an upward, free hook leg 64d which ends at a predetermined distance below the free leg 65c of the upper extruded profile 65.
  • the back of the inner extruded profile 64 is also pivotally associated with a flap 72 formed by an extruded profile, namely a hollow profile, its suspension consisting of a hook profile 72a integrally molded along its upper longitudinal edge, which has the upward leg 64d of the hook profile 64c on the inside Extruded profile 64 engages from above, so that the flap 72 is pivotally held.
  • the flap 72 closes off the air passage openings or lattice perforations of the inner extruded profile 64, while in its opening position it assumes the inclined position shown in FIG. 10 and thereby releases the air passage openings or lattice perforations 69.
  • the back of the flap 72 is covered with a strip 73 made of soundproofing material, for example foam plastic or foam rubber.
  • air passage openings 68 in the extruded profiles 63 forming the outer wall of the housing 62 can be formed simply by dividing the central extruded profile part 63c into a larger number of longitudinal sections, the ends of which face each other after the connection with the two extruded profile parts 63a and 63b the desired distance from each other.
  • the number and length of the outer air passage openings 68 can therefore be matched to the most varied of needs in the simplest way and, if necessary, even be varied subsequently.
  • a sound insulation duct 74 within the housing 62 of the ventilation device.
  • This soundproofing duct 74 is delimited on the one hand by the central extruded profile part 63c of the extruded profile 63 and on the other hand by three insulating strips 75, 76 and 77, which can consist for example of foam plastic or foam rubber.
  • the insulation strips 75, 76 and 77 are relative arranged inclined relative to one another and also realistically with respect to the extruded profile part 63c in such a way that the sound insulation duct 74 has a trapezoidal cross section, as can be clearly seen from FIG. 10.
  • Each of the two insulation strips 75 and 76 is releasably or removably clamped on the longitudinal edge of the central extruded profile part 63c and on the other hand on longitudinal webs or strips 78 and 79 of the extruded profiles 65 and 66, as can be seen in FIG. 10.
  • the insulation strip 77 is also held between the longitudinal webs or strips 78 and 79 and is covered on its side facing away from the sound insulation duct 74 with a plate 80 made of weight material, for example sheet metal.
  • a plate 80 made of weight material for example sheet metal.
  • spring clips 81 are used, the ends of which are behind retaining webs 82 and 83 on the inside of the extruded profiles 65 and 66 are indented.
  • a free space 85 is maintained within the housing 62 of the ventilation device between the inner extruded profile 64 and the insulation strip 77 or the plate 80, within which the flap 72 is pivotally received.
  • the insulation strip 77 and also the plate 80 made of weight material carried by it are either provided with openings arranged in their longitudinal direction or they are formed by a plurality of longitudinally divided sections which keep air passages free between their mutually facing ends.
  • the air passages which are kept free in the area of the insulating material strip 77 or the plate 80 are arranged offset to the side relative to the air passage openings 68 in the outer extruded profile 63, with a gap.
  • the inner extruded profile 64 of the housing together with the flap 72 is provided so that it can be removed easily.
  • the interior of the housing 62 can be made easily accessible so that the insulating material strips 75, 76 and 77 enclosing the sound insulation duct 74 can be removed and cleaned or exchanged if necessary.
  • Fig. 12 of the drawing shows a ventilation device 101 for rooms in an overall view, which is preferably suitable for installation in fixed frames or sashes of windows and doors, but which, if required, can also be used in slot-like wall openings or placed on a wall.
  • the ventilation device 101 has an elongated, cuboid housing 102, which is composed of an outer or rear wall 103, an inner or front wall 104, a top wall 105, a bottom wall 106 and two end plates 107a and 107b. 10 that the outer wall 103, the front wall 104, the top wall 105 and the bottom wall 106 can each consist of thin-walled extruded profiles, which are preferably made of light metal.
  • the outer wall 103 is provided with air passage openings 108, which can be provided distributed over their entire length at greater intervals.
  • air passage openings 109 in the form of a grille perforation which extends uniformly over the entire length and consists of several, for example three, rows of curls one above the other.
  • the outer wall 103 is locked at its longitudinal edges via plastic profile bars 110 and 111 with the longitudinal edges of the top wall 105 and the bottom wall 106 facing it, the plastic profile bars 110 and 111 forming a cold bridge between the outer wall 103 on the one hand and the top wall 105 and the bottom wall 106 on the other hand.
  • Front wall 104 is a flap 112 pivotally suspended at 113, with the help of which the air passage openings or grille perforations 109 of the front wall 104 can be optionally released or closed.
  • the closure flap 112 is shown in its open pivot position.
  • the closure flap 112 On its longitudinal edge opposite the pivot bearing 113, the closure flap 112 is provided with a dovetail or C-shaped undercut longitudinal groove 114, in which a push rod 115 can be accommodated in a longitudinally movable manner, which in the exemplary embodiment according to FIG. 13 has a flat, rectangular cross section. However, if necessary, it can also have a T-shaped cross section, in which case the T-web protrudes from the opening gap of the longitudinal groove 114, as is indicated in FIG. 13 by dash-dotted lines.
  • the ventilation device 101 according to FIG. 12 is assigned a swivel drive and locking gear, of which only the actuating lever 116 can be seen in the area of the end plate 107b.
  • the end plate 107b has an outline shape which is exactly adapted to the cross section of the housing 102 of the ventilation device 101.
  • the end plate 107b has a cup-like shape, ie, web-like walls 118 protrude on one side along its boundary edges, which have at least one wall 103, 104, 105, 106 of the housing 102 have a covering course.
  • the various wall bars are therefore identified by the reference numerals 1183, 1184, 1185 and 1186.
  • the end plate 107b is provided with a cutout 119, in the area of which the actuating lever 116 of the pivot drive and locking gear projects at least with its actuating cam 120 from the housing 102.
  • the actuating lever 116 has a plate 121 with a bearing eye 122, which can be attached from the side to a bearing pin or a bearing sleeve 123, which protrudes from the inner surface of the end plate 107b in the same direction as the wall sections 1183 to, after its actuating cams 1186.
  • the plate 121 of the actuating lever 116 on the bearing pin or the bearing sleeve 123 can be pivoted in the cutout 119 between two end positions, one of which can be seen in FIG. 14 and the other in FIG. 15.
  • the actuating cam 120 of the actuating lever 116 lies at the upper end of the cutout 119 in the end plate 107b, while in the other pivoted position it is located at the lower end of this cutout 119.
  • the plate 121 adjusting lever 116 is designed so that it protrudes approximately segment-like from the cutout 119 in the pivoted position according to FIG. 11 with a circular arc-shaped surface 124, while it closes the cutout 119 flush with a flat surface 125 in the pivoted position according to FIG. 15 .
  • the plate 121 of the actuating lever 116 has a lifting curve 127 which is designed as a laterally open groove and has a varying distance relative to the bearing 122, 123 of the actuating lever 116 over at least part of its length .
  • the effective length of the lifting curve 127 is matched to the maximum pivoting angle of the actuating lever 116, the end region thereof having the greatest distance from the bearing 122, 123 extending concentrically to this bearing 122, 123 over a certain arc angle.
  • the subsequent length range of this stroke curve 127 approaches the bearing 122, 123 of the actuating lever 116 to a minimal distance on a circular arc, the radius of which corresponds to approximately a quarter of the radius of the concentric section.
  • a pin 128 or a similar projection is engaged, which is fastened to the end of the closure flap 112 adjacent to the actuating lever 116 in such a way that it engages with the bearing 113 one Can shift arc.
  • the pin 128 or similar projection of the closure flap 112 lies in the region of the lower end of the lifting curve 127, that is to say it is at its smallest distance from the bearing 122, 122 of the adjusting lever.
  • the closure flap 112 can be moved relative to the inner or front wall 104 of the housing 102 of the ventilation device 101 about the pivot bearing 113, whereby it comes from the open pivot position according to FIGS. 10 and 11 into the closed position according to FIG. 14 and vice versa.
  • the closure flap 112 is locked at one end by the interaction of the pin 128 or the like with the lifting curve 127.
  • the closure flap 112 is positively controlled in both possible directions of movement by the actuating lever 116 via the pin 128 or the like.
  • a trough 129 At least in the side surface 126 of the plate 121 facing away from the end plate 107b, both in the radial direction and in the circumferential direction with an offset in relation to the lifting curve 127, is formed a trough 129, which has a second lifting curve 130 which is inclined transversely to the pivoting plane of the adjusting lever 116 in the side surface 126 of the plate 121 runs out.
  • the end region of the lifting curve 130 that runs out into the side surface 126 lies in the vicinity of the actuating cam 120 for the actuating lever 116, as can be clearly seen in FIGS. 14 and 15.
  • the end 115 1 of the push rod 115 facing the swivel lever 115 of the swivel drive and locking mechanism cooperates with the recess 129, the stroke curve 130 emanating therefrom and the plate 121, which in the undercut profiled longitudinal groove 114 of the closure flap 112 is guided to be longitudinally movable.
  • the end 115 1 of the push rod 115 is received by the trough 129 in the side surface 126 of the plate 121, that is, it protrudes relatively far from the end of the closure flap 112 facing the end plate 107 b. If the adjusting lever 116 is removed from the swivel position according to FIG. 15 moves towards the pivot position according to FIG. 15, then the end 115 1 of the push rod 115 runs inside the trough 129 onto the lifting curve 130 inclined transversely to the pivot plane and is thereby gradually moved towards the end of the closure flap 112 adjacent to it until it 15 rests on the side surface 126 of the plate 121, as can be seen particularly clearly from FIG. 16.
  • the end 115 2 of the push rod 115 assigned to the other end of the closure flap 112 cooperates in the region of the end plate 107 a of the housing 102 as a locking piece with a locking engagement or abutment 131, the arrangement and design of which can be seen in FIGS. 17 and 18 of the drawing. 18 makes it clear that the bolt engagement or the abutment 131 has a bevel 132 which is arranged at an angle to the plane of the end plate 107a and also to the direction of movement of the push rod 115.
  • the pull-in slope 132 is placed such that when the push rod end 115 2 strikes it, the closing flap 112 guiding the push rod 115 is pressed in the direction of its closed position against the back of the inner or front wall 104 of the housing 102 and the air passage openings or grille perforations are flown 109 seals in this.
  • the locking engagement or the abutment 131 is provided parallel to the plane of the end plate 107 b, preferably continuously, adjustably or adjustably.
  • the bolt engagement or the abutment 131 with the bevel 132 consists of a metal bracket, preferably made of spring steel, which is received with its one leg 1311 and its web 1312 in a guide 136 of the insert 133, while its leg 1313 with the one starting from the web 1312 Tightening bevel 132 protrudes sideways out of the guide 136, as can be seen in FIG. 18.
  • the web 1312 of the locking engagement or abutment 131 contains a threaded hole 137 which is penetrated by the shaft of a screw 138, which is only rotatable with its head 139, but is axially immovable in a holder 140 on the wall 134 of the insert piece 133, in front of the Bracket 140 has a hole 141 in wall 134 through which a screwdriver can be engaged with the slot in screw head 139.
  • the push rod 115 can preferably be made of wear-resistant plastic, its end 1152 being subject to a certain elasticity of the leg 1313 with the bevel 132 on the locking engagement or abutment 131 and thereby also exerting a resilient pressing action on the closure flap 112.
  • the adjusting lever 116 is configured symmetrically transversely to its swivel plane, that is to say that it has stroke curves 127, troughs 129 and stroke curves 130 on both side surfaces 126 of its plate facing away from one another, as is clear from FIG. 16.
  • the insert piece 133 also has a symmetrical design with respect to a plane which runs parallel to the end plates 107a and 107b. As a result, it is readily and easily possible to assign both the adjusting lever 116 and the insert piece 133 either to the end plate 107a or to the end plate 107b.
  • the swivel drive and locking gear for the closure flap 112 can therefore be changed at any time, that is to say subsequently, in its installed position to the housing 102 of the ventilation device 101.
  • the plate 121 of the actuating lever 116 can be provided at a point approximately diametrically opposite the actuating cam 120 with a toothed segment 142 with which the pinion of an electric servomotor can be brought into engagement, if it is desired to actuate the swivel drive and locking gear by an electric servomotor which is then housed within the housing 102 of the ventilation device 101.
  • the plate 121 of the actuating lever 116 can also be equipped with a driver 143, for example in the form of a radial slot, with which an electrical switching and / or regulating element can be coupled if the ventilation device is equipped with an electrically driven fan.
  • the drive motor of the blower can be switched on and off, and its speed can also be regulated thereby, whereby the swivel angle of the adjusting lever 116 can be a measure of the working speed of the blower.
  • the push rod 115 T-shaped cross section T-bar 1153 protruding from the groove 114 can be provided with teeth running in its longitudinal direction. 13
  • a longitudinal toothed rail 44 is assigned to it on the inner or front wall 104, which can be inserted in the longitudinal direction, for example in an undercut groove 104 1 thereof. Due to the contraction of the T-web 1153 and the toothed rail 144, the closure flap 112 can then be locked and pressed on over its entire length in the closed position.
  • Fig. 19 of the drawing shows a ventilation device 20 for rooms in an overall view, which is preferably suitable for installation in fixed frames or sashes of windows and doors, but which can also be used in slot-like wall openings or placed on the wall if required.
  • the ventilation device 201 has an elongated, rectangular housing 202, which is composed of an outer or rear wall 203, an inner or front wall 204, a top wall 205, a bottom wall 206 and two end plates 207a and 207b. 20 that the outer wall 203, the front wall 204, the top wall 205 and the bottom wall 206 can each consist of thin-walled extruded profiles, which are preferably made of light metal.
  • the outer wall 203 is provided with air passage openings 208, which can be provided distributed over their entire length at greater intervals.
  • air passage openings 209 in the form of a grille perforation which extends uniformly over the entire length and consists of several, for example three, rows of curls one above the other.
  • the outer wall 203 is locked at its longitudinal edges via plastic profile bars 210 and 211 with the longitudinal edges of the top wall 205 and the bottom wall 206 facing it, the plastic profile bars 210 and 211 forming a cold bridge between the outer wall 203 on the one hand and the top wall 205 and the bottom wall 206 on the other hand.
  • Inside the housing 202 specifically at the rear of its inner or. Front wall 204 is a flap 212 pivotally suspended at 213, with the help of which the air passage openings or grille perforations 209 of the front wall 204 can optionally be released or closed.
  • the closure flap 212 is shown in its pivoted opening position.
  • the closure flap 212 On its longitudinal edge opposite the pivot bearing 213, the closure flap 212 is provided with a dovetail or C-shaped undercut longitudinal groove 214, in which a push rod 215 is accommodated in a longitudinally movable manner 20, which has a flat-rectangular cross section in the exemplary embodiment according to FIG. 20.
  • a push rod 215 is accommodated in a longitudinally movable manner 20, which has a flat-rectangular cross section in the exemplary embodiment according to FIG. 20.
  • it can also have a T-shaped cross section, in which case the T-web protrudes from the opening slot longitudinal groove 214, as is indicated in FIG. 20 by dash-dotted lines.
  • a swivel drive and locking gear is assigned to the ventilation device 201 according to FIG. 19, of which only the setting lever 216 can be seen in the area of the end plate 207b.
  • the end plate 207b has an outline shape which is exactly adapted to the cross section of the housing 202 of the ventilation device 201.
  • the end plate 207b has a cup-like shape, i.e., web-like walls 218 protrude along its boundary edges, which have at least one course that overlaps with the walls 203, 204, 205, 206 of the housing 202.
  • the various wall webs are therefore identified with the reference symbols 2183, 2184, 2185 and 2186.
  • the end plate 207b is provided with a cutout 219, in the area of which the actuating lever 216 of the swivel drive and locking gear projects at least with its actuating cam 220 from the housing 202.
  • the actuating lever 216 has a plate 221 following its actuating cam with a bearing eye 222 which can be attached from the side to a bearing pin or a bearing sleeve 223 which protrudes from the inner surface of the end plate 207b in the same direction as the wall sections 2183 to 2186.
  • the plate 221 of the adjusting lever 216 on the bearing pin or the bearing sleeve 223 can be pivoted in the cutout 219 between two end positions, one of which can be seen in FIG. 21 and the other in FIG. 22.
  • the actuating cam 220 of the actuating lever 216 lies at the upper end of the cutout 219 in the end plate 207b, while in the other pivoted position it is located at the lower end of this cutout 219.
  • the plate 221 of the actuating lever 216 is designed in such a way that in the pivoted position according to FIG. 21 it protrudes from the cutout 219 with an arcuate surface 224 approximately segment-like, while in the pivoted position according to FIG. 22 it has the cutout 219 flush with a flat surface 225 closes.
  • the plate 221 of the actuating lever 216 has a lifting curve 227 which is designed as a groove which is open to the side and has a varying distance relative to the bearing 222, 223 over at least part of its length of the adjusting lever 216.
  • the effective length of the lifting curve 227 is matched to the maximum pivoting angle of the actuating lever 216, wherein it runs in a straight line and at an angle between its two end regions, and approaches the bearing 222, 223 to a minimum distance.
  • the cam 227 in the plate 221 of the actuating lever 216 is engaged by a pin 228 or a similar projection which is fastened to the end of the closure flap 221 adjacent to the actuating lever 216 such that it moves with the bearing 213 on a circular arc can.
  • the pin 228 or similar projection of the closure flap 212 lies in the region of the lower end of the lifting curve 227, i.e. it is at its smallest distance from the bearing 222, 223 of the adjusting lever 216.
  • the pin 228 or similar projection of the closure flap 212 has reached the region of the upper end of the lifting curve 227, which has the greatest distance from the bearing 222, 223 for the adjusting lever 216.
  • the closure flap 212 can be moved relative to the inner or front wall 204 of the housing 202 of the ventilation device 201 about the pivot bearing 213, whereby it comes from the open pivot position according to FIGS. 20 and 21 into the closed position according to FIG. 22 and vice versa.
  • the closure flap 212 is locked at one end by the interaction of the pin 228 or the like with the lifting curve 227.
  • the closure flap 212 is positively controlled in both possible directions of movement via the adjusting lever 216 via the pin 228 or the like.
  • a trough 229 which has a second lifting curve 230 which is inclined transversely to the pivoting plane of the actuating lever 216 226 of the plate 221 leaks.
  • the end region of the lifting curve 230 that runs out into the side surface 226 lies in the vicinity of the actuating cam 220 for the actuating lever 216, as can be clearly seen in FIGS. 21 and 22.
  • the end 215 1 of the push rod 215 is received by the trough 229 in the side surface 226 of the plate 221, i.e. it protrudes relatively far from the end of the closure flap 212 facing the end plate 207b. If the adjusting lever 216 is moved from the pivot position according to FIG. 21 in the direction of the pivot position according to FIG. 22, then the end 215 1 of the push rod 215 runs inside the recess 229 onto the lifting curve 230 inclined transversely to the pivot plane and thereby gradually becomes on it 22 to the adjacent end of the closure flap until it rests in the pivoted position according to FIG. 22 on the side surface 226 of the plate 221, as can be seen particularly clearly from FIG. 23.
  • the end 2152 of the push rod 215 assigned to the other end of the closure flap cooperates in the region of the end plate 207a of the housing 202 as a locking piece with a locking engagement or abutment 231, the arrangement and design of which can be seen in FIGS. 24 and 25 of the drawing. 25 makes it clear that the bolt engagement or the abutment 231 has a bevel 232 which is inclined with respect to the plane of the end plate 207a and also against the direction of movement of the pushing days 215.
  • the pull-in slope 232 is laid so that when the push rod end 215 2 strikes the closing flap 212 guiding the push rod 215 in the direction of its closed position toward the rear of the inner or.
  • Front wall 204 of the housing 202 is pressed and consequently closes the air passage openings or grille perforations 209 in it in a sealing manner.
  • the locking engagement or the abutment 231 is provided parallel to the plane of the end plate 207b, preferably continuously adjustable or adjustable.
  • the bolt engagement or the abutment 231 with the bevel 232 consists of a metal bracket, preferably made of spring steel, which is received with its one leg 2311 and its web 2312 in a guide 236 of the insert 233, while its leg 2313 with that of the web 2312 outgoing bevel 232 sideways out of the guide 236 protrudes, as can be seen in FIG. 25.
  • the web 2312 of the bolt engagement or abutment 231 contains a threaded hole 237, which is penetrated by the shaft of a screw 238, which is only rotatable with its head 239 but axially immovable in a holder 240 on the wall 234 of the insert 233.
  • a screwdriver In front of the holder 240 there is a hole 241 in the wall 234 through which a screwdriver can be brought into engagement with the slot in the screw head 239.
  • the push rod 215 can preferably be made of wear-resistant plastic, its end 2152 being subject to a certain elasticity of the leg 2313 with the bevel 232 on the bolt engagement or abutment 231 and thereby also exerting a resilient impression on the closure flap 212.
  • the actuating lever 216 is designed symmetrically transversely to its pivoting plane, that is to say that it has lifting curves 227, troughs 229 and lifting curves 230 on both side surfaces 226 of its plate 221, as shown in FIG. 23.
  • the insert 233 also has a symmetrical design with respect to a plane that runs parallel to the end plates 207a and 207b. As a result, it is readily possible to assign both the setting lever 216 and the insert 233 either to the end plate 207a or to the end plate 207b.
  • the swivel drive and locking gear for the closure flap can therefore be changed at any time, that is to say subsequently, in its installed position for the housing 202 of the ventilation device 201.
  • the plate 221 of the actuating lever 216 can be provided at a point diametrically opposite the actuating cam 220 with a toothed segment 242 with which the pinion of an electric servomotor can be brought into engagement, if it is is desired to actuate the swivel drive and locking gear by an electric servomotor, which is then housed within the housing 202 of the ventilation device 201.
  • the plate 221 of the actuating lever 216 can also be equipped with a driver 243, for example in the form of a radial slot, with which an electrically safe switching and / or regulating element 244 can be coupled if the ventilation device 201 is equipped with an electrically driven fan 245.
  • the switching and / or regulating element 33 is indicated in FIGS. 21, 22 and 23 of the drawing by dash-dotted lines.
  • the drive motor of the blower 245 can not only be switched on and off; rather, its speed can also be regulated in this way, the pivoting angle of the adjusting lever 216 being a measure of the working speed of the fan 245.
  • the push rod 215 has a T-shaped cross section
  • its T-web 215 3 protruding from the groove 214 can be provided with teeth running in its longitudinal direction.
  • Front wall 204 assigned a longitudinal toothed rail 244 which, e.g. can be inserted in an undercut groove 204 1 thereof in the longitudinal direction.
  • the closure flap 212 can then be locked and pressed on over its entire length in the closed position.
  • the switching and / or regulating element 244 forms an essential component of a speed controller for the electric drive motor of the blower 245, the entire circuitry of which is shown in FIG. 26.
  • the switching and / or regulating element 244 has, as can be seen from FIGS. 21 and 22 as well as 25 and 26, two coaxial coils 247 and 248, one behind the other and inductively coupled only by a common, axially displaceable core 246, of which the Coil 247 forms a primary coil and coil 248 forms a secondary coil.
  • the core 246 is in constant coupling engagement with the driver 243 of the actuating lever 216 via a bent connecting arm 249, which can be seen in particular in FIG. 25.
  • the core 246 can therefore be axially displaced relative to the two coaxial coils 247 and 248 between the two end positions shown in FIGS. 21 and 22, with each pivoting angle of the actuating lever 216 having a very specific axial sliding position of the core 246 relative to coils 247 and 248.
  • the arrangement is such that the axially displaceable core 246 continuously passes through the secondary coil 248 over its entire length, while it is infinitely variable relative to the primary coil 247 in its operative position between a maximum dimension according to FIG. 21 and a minimum dimension according to FIG. 22 can be relocated.
  • the primary coil 247 none at all Can induce voltage in the secondary coil 248, the highest possible voltage is induced in the axial sliding position of the core 246 of FIG. 21 from the primary coil 247 into the secondary coil 248.
  • Both coils 247 and 248 have a matching design. It has proven useful to use both for the primary coil 247 and for the secondary coil 248, which have a maximum diameter of 8.5 mm and a resistance of 1200 ohms with a length of 18 mm.
  • the inner diameter of the coils 247 and 248 is preferably approximately 3.5 mm, while the outer diameter of the core 246 immersed in them is preferably approximately 15% smaller, that is to say approximately 3 mm. It has proven useful to use a material for the core 246 which is usually used as a welding wire alloy.
  • the primary coil 247 of the switching and / or regulating element 244 can be connected via a capacitor 250 and, if appropriate, a resistor 251 connected in parallel thereto as a spark extinguisher, by means of a switching contact 252 to the AC network of, for example, 220 volt voltage, as is readily shown in the figure. 26 can be removed.
  • a design is selected for the switching elements located in the primary circuit by means of which a maximum working voltage of 8.5 volts is established in the primary coil 247.
  • the capacitor 250 has a capacitance of 0.1 »F for this purpose.
  • the secondary coil 248 of the switching and / or control element 244 forms, with a diode 253, a capacitor 254, at least one, but preferably a plurality of resistors 255a, 255b and 255c, and a transistor 256 and a bridge rectifier 257, the actual speed control circuit for the electric motor of the fan 245.
  • the operating voltage of the speed control circuit used to control the permeability of the bridge rectifier 257 is in the present case between 0.0 and 4.0 volts.
  • MOS FET transistor 256 It has proven particularly useful if a so-called MOS FET transistor is used as transistor 256, because the built-in free-wheeling diode enables the speed controller to function optimally while avoiding voltage peaks.
  • the operating range of the transistor 256 is adjusted by the three resistors 255a, 255b and 255c, the resistor 255a being at the G terminal, the resistor 255b at the S terminal and the resistor 255c at the D terminal of the transistor 256.
  • the direction of rotation of the fan 245 can be influenced if necessary for the purpose of ventilation or venting operation of the ventilation device 201.
  • the switching and / or regulating element 244 of the speed controller which is equipped with the two coils 247 and 248 and the common core 246, works practically completely free of wear and, as a result, has a high long-term operational reliability with low production costs.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Duct Arrangements (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Ventilation (AREA)
  • Seal Device For Vehicle (AREA)
  • Liquid Crystal (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (29)

  1. Dispositif d'aération de loeaux comportant un boîtier allongé (2), en forme de prisme quadrangulaire, qui se compose de plusieurs éléments profilés longitudinaux extrudés (3,4,5,6) et de deux plaques de fermeture (7a,7b), et dans le cas duquel chacun des éléments profilés extrudés (3,4,5,6) peut être fait au choix de métal léger ou de matière synthétique, un élément profilé extrudé externe (3), qui se trouve en substance en position verticale, présentant, au choix en un ou en plusieurs endroits de sa longueur, une ouverture de passage d'air (8), tandis qu'un élément profilé extrudé interne (4), qui se trouve lut aussi en substance en position verticale et qui est opposé â l'élément profilé externe (3), présente des ouvertures de passage d'air (9) prévues en répartition régulière sur toute sa longueur, ouvertures de passage d'air qui peuvent ou bien être fermées, ou bien être rendues libres par un autre élément profilé extrudé (14) adjoint au second élément profilé vertical (4) à l'intérieur du boîtier (2) et pouvant être déplacé, l'élément profilé extrudé externe (3) et l'élément profilé extrudé interne (4) étant maintenus en liaison de retenue l'un avec l'autre par un élément profilé extrudé inférieur (6) se trouvant en substance en position horizontale et l'élément profilé extrudé (14) qui peut être déplacé â l'intérieur du boîtier (2) étant réalisé sous la forme d'un clapet (14) suspendu de telle façon qu'il puisse pivoter sur l'un de ses bords longitudinaux et sur lequel une partie profilée à profil de crochet (14a) formée le long du bord longitudinal qui vient d'être cité constitue la suspension, partie profilée à profil de crochet (14a) qui prend de dessus (14b,4i) une partie profilée à profil de crochet (4h) formée sur l'élément profilé extrudé interne (4) et dirigée dans le sens opposé à celui de la partie profilée à profil de crochet (14a), cette dernière partie (14a) du clapet (14) étant elle-même, à son tour, prise de dessus par une partie profilée sous forme de nervure (5c) à effet d'appui et de fixation, le dispositif d'aération de locaux étant caractérisé en ce que la partie profilée sous forme de nervure (5c) appartenant au boîtier (2) et portant, c'est-à-dire retenant l'élément profilé extrudé interne (4) et en ce que l'élément profilé extrudé formant le clapet (14) présente, à son bord longitudinal opposé à la partie profilée (14a) à profil de crochet, un creux profilé de guidage (14e) se présentant en contre-dépouille en forme de queue d'aronde ou en forme de C, dans lequel peut être placé, avec possibilité de déplacement dans le sens longitudinal, un rail de verrouillage (16) ou autre élément du même genre auquel sont adjoints, aux deux côtés, dans les plaques de fermeture (7a et 7b) du boîtier (2), des contre-appuis qui forment des éléments de verrouillage ou des prises de verrouillage lorsque le clapet (14) se trouve en position de fermeture.
  2. Dispositif d'aération suivant la revendication 1, caractérisé en ce que l'élément profilé extrudé interne (4) est, à ses deux bords longitudinaux (4a, 4b), à accrocher et / ou à bloquer de façon défaisable à l'aide de griffes d'arrêt (4c), en forme de C ou en forme de U, dans des contre-griffes d'arrêt (5c, 5d, 5e et 6c, 6d, 6e, respectivement) également en forme de C ou en forme de U, dont sont munis les deux éléments profilés extrudés (5 et 6) qui le porte (figure 5).
  3. Dispositif d'aération suivant l'une ou l'autre des revendications 1 et 2, caractérisé en ce que l'élément profilé extrudé qui forme le clapet (14) est un élément profilé creux qui présente, au moins à son côté longitudinal interne, des nervures de retenue (14d) pour une bande ou pour un bloc fait de matière absorbant le bruit (15).
  4. Dispositif d'aération suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que l'élément profilé extrudé externe (3) comporte une partie renflée creuse (3a) formant une nervure profilée à peu près en forme de trapèze, d' allure longitudinale,qui fait saillie vers l'extérieur et dans la partie de paroi descendante (3d) du profil de laquelle ont été formées les ouvertures de passage d'air (8), un jet d'eau (3e), dirigé vers le bas, dépassant avantageusement cette partie de paroi (3d) du profil (figures 2 et 3).
  5. Dispositif d'aération suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que dans le boîtier (2), il est prévu un élément profilé de section transversale à peu près en forme de G ou de C (17), fait de matière absorbant le son, qui, d'une part, dans sa partie de paroi (17a) voisine de la partie renflée creuse formant nervure (3a) de l'élément profilé extrudé externe (3), présente au moins une ouverture de passage (17b), débouchant dans la partie renflée creuse formant nervure, tandis que l'ouverture longitudinale sous forme de fente (17c) qu'il présente se trouve dans la partie de paroi (17d) opposée à la partie de paroi (17a), à peu près à hauteur du moyen de suspension (14a, 4h) du clapet (14) à l'élément profilé extrudé interne (4) (figure 2).
  6. Dispositif d'aération suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément profilé extrudé externe (3) est, à ses bords longitudinaux, fixé à l'élément profilé extrudé supérieur (5) et à l'élément profilé extrudé inférieur (6), qui occupent une position horizontale, avec adaptation de formes, une tringle profilée d'accouplement (10) étant intercalée entre l'élément profilé extrudé externe (3) et l'élément profilé extrudé supérieur (5) et une tringle profilée d'accouplement 11) étant intercalée entre l'élément profilé extrudé externe (3) et l'élément profilé extrudé inférieur (6) ( 3f, 3g, 10b, 11b, 10a, 11a, 5g, 6g, respectivement figures 2 et 3).
  7. Dispositif d'aération suivant la revendication 6, caractérisé en ce que tous les éléments profilés extrudés (3, 4, 5, 6) sont faits de métal léger de faible épaisseur, tandis que les tringles profilées d'accouplement (10, 11) ont été fabriquées en matière synthétique calorifuge.
  8. Dispositif d'aération suivant l'une ou l'autre des revendications 6 et 7, caractérisé en ce qu'aux tringles profilées d'accouplement (10 et 11) et aux éléments profilés extrudés (3, 5 et 6) correspondant à ces tringles profilées d'accouplement, il est prévu des moyens d'accouplement (10a, 10b et 11a, 11b, respectivement 3f et 3g, respectivement, et 5a et 6a, respectivement), formés par des nervures et des rainures profilées, à contre-dépouille, qui sont complémentaires les unes des autres, par exemple des nervures et des rainures à section transversale limitée en arc de cercle (figures 2 et 3).
  9. Dispositif d'aération suivant l'une quelconque des revendications 1 à 8, caractérisé en que l'élément profilé extrudé supérieur (5) et l'élément profilé extrudé inférieur (6) présentent chacun deux nervures longitudinales (5f, 5g et 6f, 6g respectivement) ou côtes longitudinales, faisant saillie vers leur côté interne, qui se trouvent à une certaine distance du plan principal de l'élément profilé extrudé externe (3) et de l'élément profilé extrudé interne (4) et entre lesquelles, il peut être formé, dans le boîtier (2), une chambre de guidage d'air (19) formées de deux parties moulées (19b et 19c) symétriques par rapport à un plan médian longitudinal horizontal (19a - 19a), chambre de guidage d'air (19) qui limite, en direction de l'élément profité extrudé externe (3), un passage d'air tubulaire (19d), tandis qu'elle présente en outre, partant de ce passage d'air tubulaire (19d), des ouvertures de passage d'air (19e et 19f), dirigés vers des côtés opposés (figures 3 et 4).
  10. Dispositif d'aération suivant la revendication 9, caractérisé en ce que la paroi longitudinale de la chambre de guidage d'air (19) qui se trouve en regard du passage d'air (19d) forme une partie de liaison défaisable (20) pour les deux parties moulées (19b et 19c), ainsi que le support d'un ventilateur (24) pouvant être placé dans la chambre de guidage d'air (19), en particulier un ventilateur à soufflage axial (figures 3 et 4).
  11. Dispositif d'aération suivant l'une quelconque des revendications 1 à 4 et 6 à 10, caractérisé en ce que dans le boîtier (32), il est prévu un élément profilé (47), de section transversale à peu près en forme de C, fait de matière absorbant le son, qui rejoint latéralement une chambre de guidage d'air (49) prévue dans le boîtier (32), en ce que l'élément profilé (47) de section transversale à peu près en forme de C est formé d'une bande plane de matière absorbant le son, qui, pliée deux fois (en 47a et en 47b) dans le sens longitudinal, est placée transversalement dans le boîtier (32) et qui est maintenue dans ce boîtier sous l'effet de sa propre tension (figure 7), et en ce que, de plus, uniquement les extrémités de l'élément profilé en C (47) qui rejoignent la chambre de guidage d'air (49) sont, à leur côté d'ouverture, couvertes par des pattes relativement courtes de matière en couche (50a et 50b, respectivement) (figure 8).
  12. Dispositif d'aération suivant la revendication 11, caractérisé en ce que la longueur des pattes de matière en couche (50a, 50b) correspond approximativement à la hauteur de la section transversale d'ouverture que présente l'élément profité en C (47) entre ses deux branches parallèles (47d, 47e).
  13. Dispositif d'aération suivant l'une ou l'autre des revendications 11 et 12, caractérisé en ce qu'à l'avant de l'élément profilé (47) de section transversale à peu près en forme de C, fait de matière absorbant le son, et au côté externe de cet élément profité, il est prévu une paroi (51) formée de plusieurs couches de matière, dont les couches de couverture (51a et 51b) sont faites de matière dure au son, d'épaisseur relativement mince, par exemple de matière synthétique dure et / ou de tôle de métal , tandis que la couche intérmédiaire (51c) est faite de matière absorbant le son, d'épaisseur relativement forte, par exemple de caoutchouc-mousse, de matière synthétique expansée ou de nappe de fibres.
  14. Dispositif d'aération suivant l'une quelconque des revendications 1 à 4 et 6 à 8, caractérisé en ce que la paroi externe (63) du boîtier (62) est formée de trois parties (63a, 63b et 63c) d'élément profilé extrudé pouvant être reliées et étant reliées entre elles par des accouplements à cran d'arrêt et / ou à serrage (63e, 63f), la partie médiane (63c) de l'élément profilé extrudé étant interrompue une ou plusieurs fois pour la formation des ouvertures de passage d'air (68) (figure 11).
  15. Dispositif d'aération suivant la revendication 14, caractérisé en ce que la partie supérieure (63a) et la partie inférieure (63b) de l'élément profilé extrudé de la paroi externe (63) sont faites de métal léger, tandis que la partie médiane (63c) de l'élément profilé extrudé a été fabriquée en matière synthétique.
  16. Dispositif d'aération suivant l'une ou l'autre des revendications 14 et 15, caractérisé en ce que dans le boîtier (62), il est formé un canal d'amortissment du son (74), de section transversale trapézoïdale, qui est limité, d'une part, par la partie médiane (63c) de l'élément profilé extrudé et, d'autre part, par trois bandes de matière d'amortissement (75, 76, 77) dont deux (75, 76) sont prévues inclinées par rapport à la troisième (77), bandes faites par exemple de matière synthétique expansée ou de caoutchouc mousse (figure 10).
  17. Dispositif d'aération suivant l'une quelconque des revendications 14 à 16, caractérisé en ce que la bande de matière d'amortissement (77) limitant le canal D'amortissement du son (74), bande de matière d'amortissement (77) qui est dirigée de façon a être parallèle à la partie médiane (63c) de l'élément profilé extrudé, est couverte, au côté externe, d'une plaque (80) faite d'une matière de poids, par exemple de tôle de métal (figure 10).
  18. Dispositif d'aération suivant l'une quelconque des revendications 16 à 17, caractérisé en ce que la bande de matière d'amortissement (77) qui est dirigée de façon à être parallèle à la partie médiane (63c) de l'élément profilé extrudé est interrompue ou divisée dans le sens longitudinal, les zones d'interruption ou de solution de continuité étant prévues décalées latéralement - avec intervalles - par rapport aux ouvertures de passage d'air (68) maintenues libres dans la partie médiane (63c) de l'élément profilé extrudé de la paroi externe (63).
  19. Dispositif d'aération suivant l'une quelconque des revendications 16 à 18, caractérisé en ce que les bandes de matière d'amortissement (75 à 77) qui limitent le canal d'amortissement du son (74) sont maintenues de façon défaisable par tension de serrage entre des nervures et / ou des baguettes moulurées longitudinales (78, 79) prévues au côté interne du boîtier (62), la bande de matière d'amortissement (77) couverte par la plaque (80) en matière de poids étant plus avantageusement assurée dans sa position par des brides de ressort (81) fixées (en 82, 83; figure 10).
  20. Dispositif d'aération suivant l'une ou l'autre des des revendications 1 et 5, caractérisé en ce qu'un mécanisme de commande de pivotement et de verrouillage se trouve en engagement d'actionnement (en 128) avec la clapet (112), qui est monté de façon à pouvoir pivoter (en 113) sur l'un de ses bords longitudinaux, à l'arrière de la plaque de fermeture (104), par exemple du boîtier (102) en forme de prisme quadrangulaire , prévue côté local, qui est percée des ouvertures de passage d'air (109), se présentant en particulier sous forme d'ouverture de grille, liaison d'actionnement qui est assurée par un levier de réglage (116) monté de façon à pouvoir pivoter sur un axe parallèle au clapet, le levier de réglage (116) étant monté de façon à pouvoir pivoter sur un axe (123) prévu décalé par rapport au support de pivotement (113) du clapet (112), tant dans le sens de la hauteur que dans le sens de la profondeur, et présentant une came de levée (127), incurvée dans le plan de pivotement , came qui, au moins sur une partie de sa longueur, se trouve à une distance variable par rapport à l'axe de support (123) et qui attaque une saillie (128) prévue à l'extrémité du clapet (112).
  21. Dispositif d'aération suivant la revendication 20, caractérisé en ce que le levier de réglage (116) présente une autre came de levée (129, 130, 126) dirigée transversalement par rapport à son plan de pivotement, avec laquelle se trouve en engagement de réglage (en 128), une barre de poussée (115) jouant le rôle de rail de verrouillage, qui est guidée avec possibilité de déplacement dans le sens longitudinal sur le clapet (112) parallèlement à distance du support de pivotement (113) du clapet et qui comporte au moins une pièce de verrouillage (115-2) qui peut être amenée à en entrer en liaison de retenue avec une prise de verrouillage ou un contre-appui (131, 132) prévu côté boîtier et à quitter cet état de liaison..
  22. Dispositif d'aération suivant l'une ou l'autre des revendications 20 et 21, caractérisé en ce que l'une (127) des cames de levée est constituée par une fente incurvée ou par une rainure incurvée prévue dans la face latérale (126) du levier de réglage (116, 121), fente ou rainure dans laquelle la saillie (128) du clapet (112) s'engagé latéralement, tandis que la seconde came de levée (129, 130, 126) se trouve dans un creux (129) formé dans la même face latérale (126), du levier de réglage (116, 121), le creux (129) et la seconde came de levée (129, 130, 126) se trouvant avec décalage angulaire, tant dans le sens radial que dans le sens périphérique , par rapport à la première came de levée (127), dans la face latérale (126) du levier de réglage (116, 121) (figures 14 et 15).
  23. Dispositif d'aération suivant l'une quelconque des revendications 20 à 22, caractérisé en ce que le levier de réglage (116) se présente symétriquement par rapport à un plan coupant à angle droit son axe de pivotement (122, 123), est donc muni, aux deux faces latérales (126), de deux cames de levée (127 et 129, 130, 136; figure 16), et est avantageusement monté au côté interne d'une plaque d'extrémité (107a, 107b, respectivement) d'un boîtier (102) et se trouve en contact, par la seconde came de levée (129, 130, 126) se trouvant à sa face latérale (126) opposée à la plaque d'extrémité (107a, 107b, respectivement), avec une extrémité (115-l) de la barre de poussée (115) guidée (en 114) dans le clapet (112), tandis qu'au moins à l'autre extrémité (115-2) de la barre de poussée (115), à la plaque d'extrémité opposée (107b, 107a, respectivement) du boîtier (102), il est adjoint une face d'entrée (132), comme prise de verrouillage et contre-appui (figures 17 et 18, 131), la face d'entrée (132), en oblique avec la prise de verrouillage ou le contre-appui (131) étant avantageusement prévue (figures 17 et 18) de telle façon que sa position puisse être corrigée et ajustée (en 137, 138, 139) parallèlement par rapport au plan de la plaque d'extrémité (107b, 107a, respectivement), avantageusement progressivement, et, éventuellement, l'organe de réglage ou d'ajustage (137, 138, 139) pour la prise de verrouillage ou le contre-appui (131) étant constitué par une tige filetée qui prend appui (en 140), avec possibilité de rotation, mais sans possibilité de déplacement dans le sens axial, dans la plaque d'extrémité (107b, 107a, respectivement), et présentant, à son extrémité libre (139), une prise pour un outil, par exemple une fente transversale.
  24. Dispositif d'aération suivant l'une ou l'autre des revendications 21 et 23, caractérisé en ce que la barre de poussée (115) est formée d'un élément profilé de matière synthétique résistant à l'usure qui est contenu dans une rainure longitudinale en contre-dépouille du clapet (112) servant de profil de guidage et en ce que la prise de verrouillage ou contre-appui (131) se trouve avantageusement dans une pièce intercalaire (133) qui est maintenue fixée (en 134, 135, 123) de façon défaisable, par adaptation de formes, dans une découpure (119) de la plaque d'extrémité (107b, 107a, respectivement), la pièce intercalaire (133) étant avantageuseusement formée en substance symétriquement par rapport à un plan médian parallèle à la plaque d'extrémité (107b, 107a, respectivement) et se prêtant à la fixation, au choix, à droite ou à gauche, tandis que la découpure (119) destinée à contenir le levier de réglage (116, 121) prévue dans les plaques d'extrémité (107b, 107a, respectivement) correspond judicieusement à la découpure (119) destinée à contenir la pièce intercalaire (133) et qu'éventuellement , le levier de réglage (116, 121) porte,en un endroit diamétralement opposé à la saillie d'actionnement (120) s'avançant à l'extérieur de la plaque d'extrémité (107b, 107a, respectivement), un segment denté (142) avec lequel peut être amené en prise un pignon de commande d'un servomoteur, tandis que dans la zone comprise entre le segment denté (142) et la saillie d'actionnement (120) se trouve un moyen d'entraînement (143) avec lequel peut être amené en prise un élément de commande et / ou de verrouillage électrique pour le moteur de commande d'un ventilateur.
  25. Dispositif d'aération de locaux suivant l'une quelconque des revendications 1 à 24, comportant un ventilateur actionné par un moteur électrique et pouvant être influencé par un régulateur de vitesse, caractérisé en ce que le régulateur de vitesse comporte deux enroulements (1247, 248) accouplés par induction exclusivement par un noyau commun (246) pouvant être déplacé dans le sens axial, enroulements dont l'enroulement primaire (247) peut être relié au réseau par un contact de commande (252), par l'intermédiaire d'un condensateur (250) et, éventuellement) d'une résistance (251) montée en parallèle au condensateur - comme extincteur d'étincelles - tandis que l'enroulement secondaire (248), avec une diode (253), un condensateur (254), au moins une résistance (255a, 255b, 255c) ainsi qu'avec un transistor (256) et un redresseur de pont (257), forme le circuit de réglage de vitesse pour le moteur électrique du ventilateur (245) (figure 26).
  26. Dispositif d'aération suivant la revendication 25, caractérisé en ce que le noyau (246) pouvant être déplacé dans le sens axial traverse l'enroulement secondaire (248) de façon continue sur toute sa longueur, tandis qu'il peut être déplacé par rapport à l'enroulement primaire (247), dans la position d'action, entre une mesure maximale (figure 21) et une mesure minimale (figure 22).
  27. Dispositif d'aération suivant l'une quelconque des revendications 25 et 26, caractérisé en ce que le diamètre du noyau (246) a été choisi d'une valeur inférieure de 15% à celle du diamètre d'ouverture des enroulements (247 et 248).
  28. Dispositif d'aération suivant l'une quelconque des revendications 25 à 27, caractérisé en ce que les enroulements (247 et 248) ont, pour une longueur de 18 mm, un diamètre externe de 8,5 mm et un diamètre d'ouverture de 3,5 mm, une résistance de 1200 ohms.
  29. Dispositif d'aération suivant l'une quelconque des revendications 25 à 28, caractérisé en ce que le noyau (246) des deux enroulements (247 et 248) est fait d'un alliage à fil à souder et en ce que le transistor (256) est par exemple un transistor MOS FET.
EP86115982A 1986-02-06 1986-11-18 Dispositif d'aération Expired - Lifetime EP0236557B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86115982T ATE71453T1 (de) 1986-02-06 1986-11-18 Lueftungsvorrichtung.

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
DE3603591A DE3603591C1 (en) 1986-02-06 1986-02-06 Pivoting-drive and locking mechanism for closure flaps of ventilation appliances
DE3603686 1986-02-06
DE19863603686 DE3603686A1 (de) 1986-02-06 1986-02-06 Lueftungsvorrichtung fuer raeume
DE3603591 1986-02-06
DE8623856U DE8623856U1 (de) 1986-09-05 1986-09-05 Lüftungsvorrichtung für Räume
DE8623856U 1986-09-05
DE19863631732 DE3631732A1 (de) 1986-09-18 1986-09-18 Lueftungsvorrichtung fuer raeume
DE3631732 1986-09-18
DE19863632349 DE3632349A1 (de) 1986-09-24 1986-09-24 Lueftungsvorrichtung fuer raeume
DE3632349 1986-09-24

Publications (4)

Publication Number Publication Date
EP0236557A2 EP0236557A2 (fr) 1987-09-16
EP0236557A3 EP0236557A3 (en) 1989-05-31
EP0236557B1 EP0236557B1 (fr) 1992-01-08
EP0236557B2 true EP0236557B2 (fr) 1995-03-29

Family

ID=27510952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115982A Expired - Lifetime EP0236557B2 (fr) 1986-02-06 1986-11-18 Dispositif d'aération

Country Status (4)

Country Link
EP (1) EP0236557B2 (fr)
AT (1) ATE71453T1 (fr)
DE (1) DE3683367D1 (fr)
ES (1) ES2029227T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1002145C2 (nl) * 1996-01-22 1997-07-29 Zwaan Adrianus J Geluiddempende ventilatie-inrichting met een langgerekt, doosvormig huis en een sleufvormig ventilatiekanaal.
FR2745070B1 (fr) * 1996-02-19 1998-04-10 Cerga Dispositif d'absorption acoustique pour entree d'air dans un local equipe d'un systeme de ventilation
EP0924476A1 (fr) * 1997-12-18 1999-06-23 Kestral Organisation Limited Buse rotative pour une fente de ventilation
GB9920883D0 (en) * 1999-09-03 1999-11-10 Titon Hardware Ventilation assemblies
EP1096097A1 (fr) * 1999-10-26 2001-05-02 CVA Aluproco Dispositif de ventilation avec valve détachable
BE1013930A3 (nl) * 2001-01-24 2002-12-03 Aralco Nv Verbeterd verluchtingsrooster.
CA2413294C (fr) 2002-12-02 2010-02-16 Bradley Keith Gemmer Appareils de transfert d'air
GB2398377B (en) * 2003-02-06 2006-04-12 Jurras Ltd Acoustically damped grille for a vent
NL1026296C2 (nl) * 2004-05-28 2005-11-30 Innosource B V Beluchtingsinrichting.
CN101899941B (zh) * 2010-07-29 2012-07-18 四川正升声学科技有限公司 一种具有通风、消声及阻热的多功能门窗型材
BE1020748A3 (nl) * 2012-06-08 2014-04-01 Renson Ventilation Nv Ventilatierooster en werkwijze voor het aanpassen van een ventilatierooster.
CN113329567A (zh) * 2021-05-24 2021-08-31 贵州明创慧远技术有限公司 一种隔爆兼本安型矿用广播通信装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE279874C (fr) *
DE1271950B (de) * 1963-12-23 1968-07-04 Herbert Eschke Dipl Ing Lueftungseinrichtung fuer Fenster
CH469950A (de) * 1966-02-14 1969-03-15 Luwa Ag Verteilkanal für übersättigte Luft von einer Lüftungs- und Klimaanlage
DE2815262A1 (de) * 1978-04-08 1979-10-18 Bau & Lufttechnik 18017 Schalldaemmendes lueftungselement
DE2937782A1 (de) * 1979-09-19 1981-04-02 Gottlieb 4950 Minden Link Schalldaemmende be- und entlueftungsvorrichtung
US4356438A (en) * 1980-08-29 1982-10-26 Aisin Seiki Company Limited Motor speed control system
DE3200210C2 (de) * 1982-01-07 1986-04-17 Heinz Georg Hünibach Thun Baus Lüftungseinrichtung
US4515069A (en) * 1984-01-20 1985-05-07 Acutherm, Ltd. Change-over diffuser
GB2158221B (en) * 1984-04-25 1987-07-15 Greenwood Airvac Ventilation Louvred ventilators
GB8416420D0 (en) * 1984-06-28 1984-08-01 Colt Int Ltd Ventilating

Also Published As

Publication number Publication date
EP0236557A2 (fr) 1987-09-16
ATE71453T1 (de) 1992-01-15
DE3683367D1 (de) 1992-02-20
EP0236557B1 (fr) 1992-01-08
EP0236557A3 (en) 1989-05-31
ES2029227T3 (es) 1992-08-01

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