EP0330893B1 - Lüftungsvorrichtung - Google Patents

Lüftungsvorrichtung Download PDF

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Publication number
EP0330893B1
EP0330893B1 EP89102408A EP89102408A EP0330893B1 EP 0330893 B1 EP0330893 B1 EP 0330893B1 EP 89102408 A EP89102408 A EP 89102408A EP 89102408 A EP89102408 A EP 89102408A EP 0330893 B1 EP0330893 B1 EP 0330893B1
Authority
EP
European Patent Office
Prior art keywords
ventilation
housing
flap
ventilation flap
shaped section
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
EP89102408A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0330893A2 (de
EP0330893A3 (en
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.)
DUSCHOLUX GMBH
Altura Leiden Holding BV
Original Assignee
Duscholux GmbH
Altura Leiden Holding BV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6348422&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0330893(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Duscholux GmbH, Altura Leiden Holding BV filed Critical Duscholux GmbH
Priority to AT89102408T priority Critical patent/ATE76683T1/de
Publication of EP0330893A2 publication Critical patent/EP0330893A2/de
Publication of EP0330893A3 publication Critical patent/EP0330893A3/de
Application granted granted Critical
Publication of EP0330893B1 publication Critical patent/EP0330893B1/de
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
    • F24F7/02—Roof ventilation
    • F24F7/025—Roof ventilation with forced air circulation by means of a built-in ventilator

Definitions

  • the invention relates to a ventilation device with a mountable on a roof housing according to the features specified in the preamble of claim 1.
  • Such a ventilation device is known from US-A-3 877 357, the housing of which contains a fan wheel in an interior.
  • the fan motor is arranged outside the housing below a lower profile part designed as a floor by means of a console.
  • the fan wheel has a larger diameter than an opening in the profile part, so that removal, in particular for maintenance purposes, is not readily possible.
  • a ventilation flap is articulated, which is pivoted outwards in order to open it in front of the interior.
  • This previously known ventilation device does not have any special means for actuating or sealing the ventilation flap with respect to the housing. Due to the arrangement of the fan motor outside the interior, not only is a correspondingly large space required, but additional measures must be taken with regard to electrical safety.
  • a ventilation device is known from US-A-4 633 769, the fan motor of which is arranged inside the housing.
  • the housing roof is designed as a lid that can be opened upwards.
  • the housing has a flange with holes for screws for attachment to the surface of the roof.
  • An additional frame is to be inserted from the underside of the roof structure, which is also screwed to the underside of the roof attach is.
  • the fan motor is suspended from struts in the area of the top edge of the housing. Repairs are to be carried out from the outside of the roof, first opening the cover that can be opened upwards.
  • the cover must also be swung open for normal operation and a lever is provided for this purpose, which can be operated via a worm gear by means of a handwheel.
  • the installation and handling of this ventilation device requires a considerable amount of effort. There is also the risk of malfunctions if, for example, small branches are pinched between the swing-open cover and the housing and prevent the cover from closing completely, so that rainwater can
  • a ventilation device is known from GB-A-12 75 048, the housing of which is composed of a large number of individual parts, the housing having comparatively large dimensions.
  • This ventilation device contains two blinds that are coupled to one another, in order to select either recirculation mode or exhaust air mode.
  • the slats of the blinds are held in special guides and are pivotally arranged there, which means that a not inconsiderable manufacturing effort is required.
  • the installation in greenhouses or the like is not easily possible due to the large volume and weight.
  • the invention has for its object to develop the ventilation device of the type mentioned with little design effort in such a way that maintenance or repair measures can be carried out in a simple manner and a functionally reliable seal is made possible when the ventilation flap is closed.
  • the proposed ventilation device is characterized by a compact design and a functionally reliable construction.
  • the fan motor with the fan wheel is detachably arranged in the interior of the housing by means of a holding device and thus form an assembly which can be assembled in a simple manner.
  • the manufacture and assembly of the holding device which has a base plate and a bracket, on the underside of which the fan motor is fastened, is small.
  • the assembly can be connected in a simple manner to the lower profile part, which is provided with a bottom opening, and can be detached for maintenance purposes if necessary.
  • the design effort is low and the production can also be carried out in large numbers without any problems, the mounting of the ventilation device on the roof of a winter garden or the like not posing any particular difficulties.
  • the base plate with the fan motor and the fan wheel can be inserted into the interior of the housing at night, which makes installation easier.
  • the ventilation flap can be actuated in a functionally reliable manner with little construction effort.
  • the geared motor and also the fan motor are arranged in the interior and are therefore protected from external influences, and electrical danger to a person by touching can also be reliably avoided.
  • the actuating device is also after the release of the holding device Accessible inside the greenhouse or the like, without a fitter having to go to the roof from the outside.
  • the ventilation flap and also the profile parts of the housing can be manufactured without difficulty in different lengths, specifically according to the respective installation conditions, while the holding device and the actuating device and the associated components are used unchanged.
  • several fan wheels and fan motors can also be arranged in one housing on one or more holding devices distributed over the length of the housing.
  • a special development of the ventilation device is specified in claim 5.
  • the assembly with the geared motor for actuating the ventilation flap can be prefabricated without any problems, which means that the assembly effort is not insignificantly reduced.
  • the connection to the side wall of the housing ensures stable fastening and power transmission for actuating the ventilation flap.
  • the schematic view according to FIG. 1 shows a lower profile part 2 and an upper profile part 4, which are connected at the ends to side walls (not shown further here) and form the housing of the ventilation device.
  • the profile parts 2, 4 can, as shown, made of aluminum sheets or the like and be bent accordingly or consist of extruded profile rails, wherein more than two profile rails can be provided if necessary.
  • the lower profile part 2 has an opening 6 through which the leading edge 8 of the fan wheel 10 can be seen.
  • the lower profile part 2 lies in the assembled state on a plate or the roof of a greenhouse or the like and is connected to it in a suitable manner.
  • the outer contour of the housing essentially corresponds to a parallelogram, an upper rear wall 12 and a ventilation flap 14 being present between the two profile parts 2, 4.
  • the upper profile part 4 has a downwardly projecting part 16 to which the ventilation flap 14 is articulated.
  • the ventilation flap 14 and the projecting part 16 have hinge-like projections and curved hooks, which are not shown here.
  • the projecting part 16 is arranged and extended that no rain can penetrate into the interior 18 of the housing when the ventilation flap 14 is open.
  • the profile parts 2, 4 and the rear wall 12 and also the ventilation flap 14 are lined in the interior 18 with sound and / or thermal insulation material, which is not shown here.
  • the ventilation device is also inclined according to the inclination of a roof.
  • the ventilation flap 14 lies essentially in a horizontal plane.
  • the pivot axis 31 of the ventilation flap 14 is arranged corresponding to the projecting part 16 and the angle part 30 in relation to the stop part 28 such that the pivot axis 31 and the stop part 28 lie essentially in a horizontal plane in the required installation position. It is understood that with the usual roof pitches in the range between 20 and 60 degrees with respect to the horizontal, the common plane for the stop part and the pivot axis 31 is also varied within a predetermined angle range.
  • an actuating device for the ventilation flap 14 which has a geared motor 20 and a lever 22.
  • the lever is shown on the outside of the geared motor 20, but this lever 22 is expediently located between the geared motor 20 and the fan wheel 10.
  • the lever 22 can be pivoted about an axis 24 and, on the one hand, has an eccentrically arranged pin 26 of the Geared motor and on the other hand coupled to the ventilation flap 14.
  • the gear motor turns on switched, the lever 22 pivots about the axis 24 with the result that the ventilation flap 14 is opened or closed again.
  • the profile part 2 has an upwardly angled stop part 28 for the ventilation flap 14.
  • the upper profile part 4 or its projecting part 16 has an angular part 30 which is angled downwards and serves to improve the protection against splashing water when it rains.
  • a wire mesh, ventilation grille or the like is arranged in the interior or in front of the ventilation flap 14.
  • Fig. 2 shows a view of another embodiment, namely in the direction of view of the closed ventilation flap 14.
  • a side wall 32, 34 is arranged, wherein a fixed connection is made by means of screws.
  • the lower profile part 2 is mounted on a frame or roof plate 54 which is fastened in a manner not shown to the glass roof of a winter garden or the like.
  • the ventilation device has a low overall height 38, which according to the invention is expediently only between 6 and 12 cm in size between 7 and 10 cm. The ventilation device can therefore be easily arranged between two rafters of a roof of the winter garden.
  • a second ventilation device which is otherwise designed to match, is partially indicated.
  • the two ventilation devices are arranged at a lateral distance 40 of a few centimeters, so that rainwater can flow through the channel between the two ventilation devices, leaves also being easily taken along.
  • the duct 41 is closed at the top with a cover 43, which may reach over the adjacent ventilation devices. This prevents the formation of a "swamp" on the rear walls. Furthermore, the drainage of rainwater is made possible by the parallelogram-shaped design and inclination of the rear wall enables and the accumulation of a "swamp" due to leaves, etc. is prevented.
  • the fan motor 42 with the fan wheel 10 of a radial fan is detachably arranged in the interior 18 by means of a holding device 44.
  • the holding device 44 contains a base plate 46 and a bracket 48, on the underside of which the fan motor 42 is attached.
  • the holding device 44 or its base plate 46 is screwed to the lower profile part 2, which contains a base opening 47.
  • the holding device 44 and consequently also the fan motor 42 can be removed after loosening the screw connection in the direction of arrow 50 downwards, that is to say into the interior of the winter garden.
  • a ring 51 which forms the flow channel, is arranged on the base plate 46.
  • the fan wheel 10 is designed according to the invention as a radial fan in order to suck in the air from below in the direction of the longitudinal axis 53 and to blow it out radially into the interior of the housing and from there via the housing opening to which the ventilation flap 14 is assigned. Due to the design as a radial fan, a very low overall height 38 can be achieved with the same high fan output. It is important in this respect that the housing opening and also the fan flap extend practically over the entire length of the housing. Due to the large housing opening, the flow resistance is very small when the fan flap is open. Furthermore, adverse deflections, disruptive edges, which cause eddies, or even narrow passage openings are avoided for the free flow of air.
  • the geared motor 20 of the actuating device for the ventilation flap 14 is fastened to the side wall 34.
  • the lever 22 is located between the geared motor 20 and the fan wheel 10 in the interior 18. Due to the eccentric arrangement of the pin 26 and the articulation of the lever 22, the fan flap 14 is opened and closed with the same direction of rotation of the geared motor 20.
  • Fig. 3 shows a plan view in the direction of the upper profile part 4, wherein the rear wall 12 can also be seen.
  • the axis 24 for the lever 22 is arranged on the side wall 34 by means of a holder 52.
  • the lower profile part 2 contains the rectangular bottom opening 47, which is closed with the somewhat larger bottom plate 46 of the holding device.
  • the bracket 48 can be clearly seen, on the underside of which the fan motor 42 is fastened by means of screws.
  • the bracket 48 is fastened to the base plate 46, which in turn is screwed to the lower profile part 2 from below.
  • the base plate 46 has the opening mentioned above, through which the air can be sucked in by the fan wheel 10.
  • the lower profile part 2 is attached to a roof plate 54, which is part of the roof structure of the winter garden.
  • This roof panel 54 like the other parts of the roof from the conservatory, is anchored in a suitable frame construction.
  • the housing is designed in the manner of a parallelogram, the rear wall 12 being arranged at an acute angle 56 to the lower profile part 2.
  • This angle 56 is predetermined in such a way that the drainage of water through the rear wall 12 is not impeded in the case of the usual roof slopes. Due to the protruding part 16 of the upper profile part 4, the penetration of rainwater into the interior 18 is prevented even when the ventilation flap 14 is open.
  • An elastic element 58 made of rubber or the like is provided between the angle part 30 and the ventilation flap 14 in order to seal and avoid noises. Corresponding elements are also present on the other edges of the ventilation flap 14. If necessary, a weather protection grille can be arranged between the part 16 and the profile part 2 in front of the ventilation flap.
  • the ventilation flap 14 contains a projection 57, the outer surface of which largely corresponds to an arc of a circle.
  • the upper profile part 4 and its projecting part 16 contains two curved hooks 59 which grip around the projection 57 of the ventilation flap 14 in such a way that the pivoting movement of the ventilation flap is possible.
  • the projection can also be provided on the upper profile part 4, the hooks being correspondingly arranged on the ventilation flap 14.
  • the pivot axis 31 is defined by the cylindrical outer surface of the projection 57.
  • the projection 57 and the hook 59 are integral components of the ventilation flap 14 and the upper profile part 4 and are produced during the manufacture of the profile rails, from which the profile parts and the ventilation flap are cut to size. For assembly, the ventilation flap is inserted from the long side into the joint designed in this way.
  • FIG. 5 shows the actuating device arranged on the side wall 34 with the geared motor 20, the holder 52 and the lever 22.
  • the lever 22 has at one end an elongated hole 60 for the eccentrically arranged pin 26 of the geared motor. At the other end, the lever 22 is guided in a longitudinal groove 62 of a component connected to the ventilation flap 14.
  • the ventilation flap in the partially open position is indicated by dash-dotted lines.
  • the dashed lines 66 indicate the insulating band on the inside of the profile part 4, with no insulating material being present in the pivoting area of the ventilation flap 14. In the open state of the ventilation flap, these ventilation flap 14 and the insulating material are practically on the same level, so that, according to the invention, the ventilation flap is not blown back and adverse flow noises are avoided.
  • FIG. 6 shows the side wall 34 with the holder 52 of the lever 22.
  • a disk 64 with the eccentrically arranged pin 26 is fastened on the shaft of the geared motor 20.
  • FIG. 7 A further embodiment of the drive arrangement for the ventilation flap 14 is shown schematically in FIG. 7.
  • the Ventilation flap 14 is connected to motor 70 via a cable 68.
  • the cable 68 is connected on the one hand to the ventilation flap 14 and on the other hand to the shaft of the motor and can be wound onto this shaft when the motor is rotating.
  • a bolt 72 is pivoted about an axis 74 on the upper profile part 4.
  • a roller 76 is also expediently rotatable about said axis 74, over which the cable 68 is guided.
  • the latch 72 has a further roller 78 adjacent to the lower profile part 2, via which the cable 68 is also guided.
  • the roller 78 is arranged at a distance with respect to a connecting line 80 between the said upper axis 74 and the shaft of the motor 70.
  • the bolt 72 contains an end part 84 assigned to the ventilation flap 14. In the illustrated position of the bolt 72, the ventilation flap 14 is held in the illustrated closed position by means of the bolt end 84.
  • the locking end 84 is expediently provided with a knob or the like 86 made of an elastically resilient material in order to prevent disadvantageous wind or rattling noises.
  • the stop part 28, which extends over the entire length of the ventilation flap 14 or the lower profile part 2, is either itself formed from an elastically resilient material or at least in the contact area of the ventilation flap 14 in such a way that a good seal is achieved, due to the elastically resilient material property is also a damping for the stop of the ventilation flap 14.
  • the motor can be designed as a direct current motor which is still live even after the ventilation flap has been swung open.
  • the engine 70 is here designed for overload protection so that even if the motor is actuated for a long time, the motor is not heated excessively or short-circuit currents occur. This eliminates the need for special monitoring devices, in particular limit switches, which were required to switch off the drive motor as soon as the ventilation flap was fully opened.
  • the ventilation flap 14 is kept open via the cable 68.
  • the motor 70 only has to be switched off.
  • the ventilation flap 14 is now moved back into the closed position by means of the spring 86.
  • a small compression spring 88 also acts on the bolt 17 in order to pivot it back against the direction of the arrow 82 as soon as the closure flap has passed the front bolt end 84. The control effort for operating the ventilation flap is therefore extremely low.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Ventilation (AREA)
  • Compressor (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Greenhouses (AREA)
EP89102408A 1988-02-29 1989-02-11 Lüftungsvorrichtung Expired - Lifetime EP0330893B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89102408T ATE76683T1 (de) 1988-02-29 1989-02-11 Lueftungsvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3806391 1988-02-29
DE3806391A DE3806391A1 (de) 1988-02-29 1988-02-29 Lueftungsvorrichtung

Publications (3)

Publication Number Publication Date
EP0330893A2 EP0330893A2 (de) 1989-09-06
EP0330893A3 EP0330893A3 (en) 1990-09-19
EP0330893B1 true EP0330893B1 (de) 1992-05-27

Family

ID=6348422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89102408A Expired - Lifetime EP0330893B1 (de) 1988-02-29 1989-02-11 Lüftungsvorrichtung

Country Status (3)

Country Link
EP (1) EP0330893B1 (enrdf_load_stackoverflow)
AT (1) ATE76683T1 (enrdf_load_stackoverflow)
DE (2) DE3806391A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023494C2 (de) * 1990-07-24 1998-12-24 Altura Leiden Holding Lüftungsvorrichtung
DE29611518U1 (de) * 1996-07-02 1997-11-06 Siegenia-Frank Kg, 57074 Siegen Lüftungsvorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB908367A (en) * 1960-05-18 1962-10-17 Greenwood S And Airvac Ventila Improvements in ventilators for windows
FR1344040A (fr) * 1963-01-09 1963-11-22 Dispositif d'aération notamment pour fenêtres ou portes
DE1271950B (de) * 1963-12-23 1968-07-04 Herbert Eschke Dipl Ing Lueftungseinrichtung fuer Fenster
GB1115791A (en) * 1964-06-22 1968-05-29 Colt Ventilation & Heating Ltd Improvements in or relating to ventilators
GB1107726A (en) * 1964-07-07 1968-03-27 Sound Attenuators Ltd Improved centrifugal fan or blower and a ventilator embodying the same
GB1275048A (en) * 1968-08-01 1972-05-24 Colt Internat Ltd Improvements relating to ventilating
DE6813611U (de) * 1968-12-30 1969-04-30 Jaeger Kg Frank Lueftungsvorrichtung zum einbau in einen lueftungsspalt, insbesondere ueber einem fenster oder einer fensterscheibe
US3877357A (en) * 1973-01-02 1975-04-15 John V Felter Hinged door structure and ventilators incorporating the same
GB1518928A (en) * 1974-07-02 1978-07-26 Greenwood Airvac Ventilation Ventilators for windows
DE2557762A1 (de) * 1975-12-20 1977-06-30 Buettner Schilde Haas Ag Dachluefter fuer waagerechten ausblas
DE2703207C3 (de) * 1977-01-27 1985-05-30 Siegenia-Frank Kg, 5900 Siegen Lüftungsvorrichtung für Räume
DE2719144A1 (de) * 1977-04-29 1978-11-02 Siegenia Frank Kg Schalldaemmende lueftungsvorrichtung fuer raeume
DE3111360C2 (de) * 1981-03-23 1987-01-29 Siegenia-Frank Kg, 5900 Siegen Lüftungsvorrichtung für Räume mit zwei getrennten Strömungswegen zur Be- und Entlüftung
US4633769A (en) * 1985-10-15 1987-01-06 Milks Stephen A Roof vent fan assembly

Also Published As

Publication number Publication date
EP0330893A2 (de) 1989-09-06
EP0330893A3 (en) 1990-09-19
DE3806391A1 (de) 1989-09-07
ATE76683T1 (de) 1992-06-15
DE58901512D1 (de) 1992-07-02
DE3806391C2 (enrdf_load_stackoverflow) 1991-11-21

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