EP0103861B1 - Ventilateur de toit - Google Patents

Ventilateur de toit Download PDF

Info

Publication number
EP0103861B1
EP0103861B1 EP83109156A EP83109156A EP0103861B1 EP 0103861 B1 EP0103861 B1 EP 0103861B1 EP 83109156 A EP83109156 A EP 83109156A EP 83109156 A EP83109156 A EP 83109156A EP 0103861 B1 EP0103861 B1 EP 0103861B1
Authority
EP
European Patent Office
Prior art keywords
ventilation
dampers
guide surfaces
roof ventilator
overlapping
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
Application number
EP83109156A
Other languages
German (de)
English (en)
Other versions
EP0103861A2 (fr
EP0103861A3 (en
Inventor
Wilhelm Fritz Morschheuser
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.)
Rogal Gesellschaft fur Angewandte Lufttechnik Mbh
Original Assignee
ROBERTSON GAL GESELLSCHAFT fur ANGEWANDTE LUFTTECHNIK MBH
Robertson Gal Gesellschaft fur Angewandte Lufttechnik Mbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ROBERTSON GAL GESELLSCHAFT fur ANGEWANDTE LUFTTECHNIK MBH, Robertson Gal Gesellschaft fur Angewandte Lufttechnik Mbh filed Critical ROBERTSON GAL GESELLSCHAFT fur ANGEWANDTE LUFTTECHNIK MBH
Publication of EP0103861A2 publication Critical patent/EP0103861A2/fr
Publication of EP0103861A3 publication Critical patent/EP0103861A3/de
Application granted granted Critical
Publication of EP0103861B1 publication Critical patent/EP0103861B1/fr
Expired 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
    • 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
    • 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
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • 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

Definitions

  • the invention relates to a roof fan, in which the ventilation flaps release a shaft opening in their open position and this in their closed position, in which their front and rear edge areas close overlapping one another, with the ventilation flaps being associated with guiding surfaces inclined to the main direction of the ventilation flow, behind which , Seen in the main direction of the ventilation flow, the ventilation flaps can be pivoted from their opening position approximately parallel to the main direction in their closed position about axes running in the front area of the ventilation flaps into their closed position.
  • Such a roof fan is known from DE-A 27 08 774.
  • the ventilation flaps can be pivoted about axes running behind the edge regions of the guide surfaces, as seen in the direction of the ventilation flow, so that the latter lie both in the area of action of the ventilation flow and at least in the open state in the precipitation area. Since the edge regions mentioned are angled to form a channel profile, they cause an increased flow resistance for the ventilation flow. In the long term, the wetness of precipitation also causes corrosion.
  • the invention has for its object to design the roof fan so that the ventilation flow meets as little resistance as possible in the area of the guide surfaces and ventilation flaps, and that an increased protection from precipitation is created.
  • the structural design of the roof fan is to be improved.
  • the overlapping edge zones each form supports for the adjacent ventilation flaps in their closed position.
  • the edge zones mentioned are designed as curved lugs, a risk of damage when closing the ventilation flaps is also avoided in the long term.
  • the roof fan designed according to the invention also leads to increased sound insulation because of the backdrop-like effect of the guide surfaces and the ventilation flaps.
  • Figure 1 shows a shaft opening 12 within a flat roof, which is bordered by an entry frame 13 and is further provided with shaft walls 14.
  • the space 11 to be vented is connected to the surroundings via the shaft opening 12.
  • the shaft opening 12 defines an opening plane 15, to which the main direction 2 of the ventilation flow is perpendicular.
  • the ventilation flaps 1 can be pivoted about axes 9 in the upper, rear edge region of the guide surfaces 4. In the normal position, there is an angle of approximately 90 ° between the ventilation flaps 1 and the guide surfaces 4, the guide surfaces 4 forming an angle of 45 ° with the main direction 2 of the ventilation flow.
  • the front, lower edge 5 of the guide surfaces are provided with rain gutters 7. These have a curved cross section, so that the flow resistance is reduced.
  • the upper, rear edge edges 6 of the guide surfaces 4 are designed with edge zones 10 curved in the direction of the associated ventilation flaps i. These edge zones 10 cover on the one hand the axes 9 and also the joints of the ventilation flaps 1, so that these parts are largely protected from precipitation. On the other hand, these edge zones form 10 supports for the ventilation flaps in the closed position. In the middle part of FIG. 1, one of the ventilation flaps 1 is shown in the closed position.
  • the upper, rear marginal edges of the ventilation flaps 1 are expediently also angled somewhat, so that an extensive closure is achieved when resting on the curved marginal zones 10 of the guide surfaces 4.
  • the guide surfaces 4 and the ventilation flaps 3 are made in one piece.
  • this embodiment shown enlarged, recognizes one that the aforementioned parts are double-skinned and that they are perforated on their side facing the room 11 to be vented. This achieves very good sound absorption, which, in conjunction with sound reflection, guarantees particularly high sound insulation.
  • the rain gutters 7 are arranged in such a way that their projection in the main direction 2 of the ventilation flow strikes further rain gutters 8 of the adjacent guide surfaces arranged above.
  • the closed position there is a largely closed outer surface, in which the upper ventilation flaps 3 engage in the rain gutters 8 with angled end sections.
  • sound-absorbing backdrops can additionally be introduced into the path of the venting flow, which expediently run parallel to the main direction of the venting flow mentioned. Thanks to this sound-absorbing backdrop provided below the guide surfaces 4, a sound insulation effect of up to a total of 17 dB can be achieved together with the guide surfaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Air-Flow Control Members (AREA)

Claims (3)

1. Ventilateur de toit sur lequel les volets de ventilation (1, 3) dégagent en position ouverte une cheminée (12) et l'obturent en position fermée, dans laquelle leurs zones marginales avant et arrière se recouvrent, des écrans (4) en pente par rapport au sens principal (2) du courant de ventilation étant affectés aux volets de ventilation (1, 3) et derrière lesquels écrans, vu dans le sens principal du courant de ventilation, les volets de ventilation sont pivotables à partir de la position ouverte approximativement parallèle au sens principal, autour d'axes (9) passant dans la zone avant des volets de ventilation (1,3), jusqu'en position fermée,
caractérisé en ce que
les zones marginales arrière des écrans (4) recouvrent les axes de pivotement (9) par des zones marginales (10) allant dans le sens des volets de ventilation (1) respectifs.
2. Ventilateur de toit selon la revendication 1,
caractérisé en ce que
les zones marginales (10) de recouvrement sont placées sur les écrans (4) sous forme de saillies cintrées.
3. Ventilateur de toit selon une des revendications 1 ou 2,
caractérisé en ce gué
les zones marginales (10) de recouvrement font office de butée pour les volets de ventilation (1) respectifs voisins en position fermée.
EP83109156A 1982-09-17 1983-09-16 Ventilateur de toit Expired EP0103861B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3234518 1982-09-17
DE19823234518 DE3234518A1 (de) 1982-09-17 1982-09-17 Dachluefter

Publications (3)

Publication Number Publication Date
EP0103861A2 EP0103861A2 (fr) 1984-03-28
EP0103861A3 EP0103861A3 (en) 1984-11-14
EP0103861B1 true EP0103861B1 (fr) 1987-05-20

Family

ID=6173491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109156A Expired EP0103861B1 (fr) 1982-09-17 1983-09-16 Ventilateur de toit

Country Status (2)

Country Link
EP (1) EP0103861B1 (fr)
DE (2) DE3234518A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8902977A (nl) * 1989-12-01 1991-07-01 Rmtd Int Bv Ventilatie systeem.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456312A (en) * 1945-05-24 1948-12-14 Bertie K Paget Ventilator
DE2708774A1 (de) * 1977-03-01 1978-09-07 Colt Int Gmbh Entlueftungsvorrichtung fuer gebaeude
DE7835499U1 (de) * 1978-11-30 1979-03-15 Voith Getriebe Kg, 7920 Heidenheim Selbsttaetige dachjalousie
DE8010220U1 (de) * 1980-04-15 1981-05-27 Heinrich Nickel Gmbh, 5240 Betzdorf Lamellengitter fuer luftdurchtrittsoeffnungen von lufttechnischen anlagen u.dgl.

Also Published As

Publication number Publication date
EP0103861A2 (fr) 1984-03-28
EP0103861A3 (en) 1984-11-14
DE3371688D1 (en) 1987-06-25
DE3234518A1 (de) 1984-03-22

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