EP0476531A1 - Closoir de ventilation pour faîte de toiture - Google Patents

Closoir de ventilation pour faîte de toiture Download PDF

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Publication number
EP0476531A1
EP0476531A1 EP91115514A EP91115514A EP0476531A1 EP 0476531 A1 EP0476531 A1 EP 0476531A1 EP 91115514 A EP91115514 A EP 91115514A EP 91115514 A EP91115514 A EP 91115514A EP 0476531 A1 EP0476531 A1 EP 0476531A1
Authority
EP
European Patent Office
Prior art keywords
fan cap
cap according
openings
chimney
air guide
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.)
Granted
Application number
EP91115514A
Other languages
German (de)
English (en)
Other versions
EP0476531B1 (fr
Inventor
Willy Gillmann
Fritz Gödl
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.)
SCHEFFLER GMBH & CO. KG
Original Assignee
Norm AMC AG
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 Norm AMC AG filed Critical Norm AMC AG
Publication of EP0476531A1 publication Critical patent/EP0476531A1/fr
Application granted granted Critical
Publication of EP0476531B1 publication Critical patent/EP0476531B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E04D13/174—Ventilation of roof coverings not otherwise provided for on the ridge of the roof

Definitions

  • the invention relates to a fan cap for rear ventilation of roofs in the ridge area, with a fastening area and an edge area, between which there is a chimney-like elongated hole opening for air passage (see. German Offenlegungsschrift 39 03 157).
  • the chimney-like design of the oblong hole openings ensures that even with a small flow against the chimney-shaped oblong hole openings, a vacuum is formed on the underside of the fan cap, which causes good roof ventilation.
  • the problem of the present invention is to further improve the vacuum formation on the underside of the fan cap for more effective roof ventilation.
  • the air guide webs provided according to the invention, which are arranged in the area between the individual elongated hole openings in such a way that an air flow through the water drainage areas is prevented, the air flow is also deflected in this area in such a way that it contributes significantly to the formation of negative pressure.
  • a first practical embodiment of the invention is characterized in that the height of the air guide bar essentially corresponds to the height of an adjacent, upwardly extending chimney wall of the associated slot opening. This simple measure ensures that the air flow influenced by the air guide webs contributes particularly effectively to the formation of negative pressure.
  • the effect of the air flowing into the fan cap can be further improved in that the height of the chimney wall of the elongated hole openings adjacent to the edge area, based on the top of the central area, is approximately twice as large as the height of the chimney wall adjacent to the fastening area.
  • a water drainage channel is provided between the air guide web and the chimney walls of the adjacent elongated holes, which preferably has a width of approx. 1 mm to 2 mm.
  • a particularly suitable material for the production of the fan cap according to the invention is polypropylene.
  • FIG. 1 shows a fan cap with a fastening area 10, a central area 11 and an edge area 13, the individual areas merging into one another via kinks. By dividing this cap in the middle, cap halves are created which can be used in the same way as the overall cap.
  • the fastening area 10 is provided on the edge with a gradation 19, for example, about 1 mm, the width of which is selected so that the non-stepped fastening area 10 is about 30 mm and the entire fastening area is about 50 mm, so that adapted supports are created for different bar strips.
  • the central region 11 of the plastic material, for. B. polypropylene, existing fan cap has chimney-like slot openings 12, which are particularly important for the desired suction function.
  • the chimney-shaped elongated hole openings 12 are surrounded by a chimney wall 16, the height hi of which on the side facing the fastening area 10 is approximately half the height h 2 of the chimney wall 16 on the side of the elongated hole openings 12 facing the edge area 13.
  • the height h i the chimney wall 16 on the side of the fastening area 10 is z. B. 3 to 4 mm, while the height h 2 of the chimney wall 16 on the other side of the slot opening 12 is approximately 6 to 10, preferably 8 mm.
  • the mouth plane 20 of the elongated hole openings 12 is inclined at a small angle a to the plane 21 of the fastening area 10.
  • the angle a is approximately between 5 ° and 10 °.
  • the air guide webs 14 are arranged in the common end area of two immediately successive elongated hole openings 12, which forms a water drainage area 15. Between the air guiding webs 14 and the adjacent chimney walls 16 of the elongated hole openings 12, water drainage channels 17 are provided, which have a width of approximately 1 to 2 mm and make it possible for the water which has accumulated on the upper chimney wall 16 to flow off via the water drainage area 15 can.
  • the length 1 of the air guide webs 14 corresponds approximately to 1.2 times to 2 times the distance a between two successive slot openings 12.
  • the elongated hole openings 12 arranged in the middle in the central region 11 have a width b that corresponds approximately to half the width B of the central region 11.
  • Support bumps 18 are arranged in the edge area 13 of the fan cap, which are formed from the material of the edge area 13 by corresponding deformation.
  • the support bumps 18 can have a different height depending on the respective application; in the described embodiment, however, it is preferably provided that all the support bumps 18 have the same height.
  • Brushes 22 are arranged on the outer edge 13 'of the edge region 13 and are inserted with holding strips 23 into a holding groove 24 which is provided between a clamp 25 and the outer edge 13' of the edge region 13.
  • the fan cap which is shown in FIGS. 2 and 3 b, differs from the fan cap according to FIGS. 1 and 3 a only in the arrangement of the air guide webs 14, which in this embodiment on the side of the slot openings 12 facing the edge region 13 is arranged. With this arrangement, air flowing from the edge area 13 against the chimney walls 16 and the air guide webs 14 is deflected evenly upwards over the entire length of the fan cap, so that an improved suction effect is achieved at the slot openings 12.
  • the arrangement of the support bumps 18 with respect to the elongated hole openings 12 can be chosen as desired in the elongated hole cap according to the invention, as is indicated by the different arrangement of the support bumps 18 in the fan caps according to FIGS. 3a and 3b, since the support bumps 18 are not essential Have an influence on the incoming air.

Landscapes

  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Soil Working Implements (AREA)
  • Superstructure Of Vehicle (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Air-Flow Control Members (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
EP91115514A 1990-09-14 1991-09-13 Closoir de ventilation pour faîte de toiture Expired - Lifetime EP0476531B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9013108U 1990-09-14
DE9013108U DE9013108U1 (de) 1990-09-14 1990-09-14 Lüfterkappe zur Hinterlüftung von Dächern im Firstbereich

Publications (2)

Publication Number Publication Date
EP0476531A1 true EP0476531A1 (fr) 1992-03-25
EP0476531B1 EP0476531B1 (fr) 1994-01-05

Family

ID=6857519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115514A Expired - Lifetime EP0476531B1 (fr) 1990-09-14 1991-09-13 Closoir de ventilation pour faîte de toiture

Country Status (7)

Country Link
EP (1) EP0476531B1 (fr)
AT (1) ATE99761T1 (fr)
DE (2) DE9013108U1 (fr)
DK (1) DK0476531T3 (fr)
ES (1) ES2048545T3 (fr)
FI (1) FI96984C (fr)
NO (1) NO180391C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657598A1 (fr) * 1993-12-10 1995-06-14 GEHRING, Manfred, Dr. Recouvrement de faîte et/ou d'arête de toits ainsi que procédé pour la réalisation de recouvrement de faite et/ou d'arête
GB2408755A (en) * 2003-12-04 2005-06-08 Norm Amc Ag A ventilation strip for a hip, ridge or valley of a roof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244283A1 (de) * 1992-12-28 1994-06-30 Mage Dsi Gmbh Werke Fuer Kunst First- und/oder Gratabdeckung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073235A (en) * 1959-02-26 1963-01-15 Smith Roof ventilators
DE8416540U1 (de) * 1984-09-06 Knoche, Alfons, 5758 Fröndenberg Firstentlüftung an Dächern
DE8712892U1 (de) * 1987-09-24 1987-12-17 Norm A.M.C. Ag, Erstfeld Lüfterkappe für First- und Gratabdeckungen
DE3703885A1 (de) * 1987-02-09 1988-08-18 Alfons Knoche Zwischen die dacheindeckung und die firsteindeckung von satteldaechern einfuegbares dichtungselement
EP0330746A1 (fr) * 1988-03-02 1989-09-06 Klöber, Johannes Closoir de faîtage
DE3829408A1 (de) * 1988-08-30 1990-03-01 Norm Amc Ag Vorrichtung zur hinterlueftung von daechern
WO1991005927A1 (fr) * 1989-10-11 1991-05-02 Mage - Dsi Gmbh Werke Für Kunststoff- Und Metallverarbeitung Ventilation faitiere

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8416540U1 (de) * 1984-09-06 Knoche, Alfons, 5758 Fröndenberg Firstentlüftung an Dächern
US3073235A (en) * 1959-02-26 1963-01-15 Smith Roof ventilators
DE3703885A1 (de) * 1987-02-09 1988-08-18 Alfons Knoche Zwischen die dacheindeckung und die firsteindeckung von satteldaechern einfuegbares dichtungselement
DE8712892U1 (de) * 1987-09-24 1987-12-17 Norm A.M.C. Ag, Erstfeld Lüfterkappe für First- und Gratabdeckungen
EP0330746A1 (fr) * 1988-03-02 1989-09-06 Klöber, Johannes Closoir de faîtage
DE3829408A1 (de) * 1988-08-30 1990-03-01 Norm Amc Ag Vorrichtung zur hinterlueftung von daechern
WO1991005927A1 (fr) * 1989-10-11 1991-05-02 Mage - Dsi Gmbh Werke Für Kunststoff- Und Metallverarbeitung Ventilation faitiere

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657598A1 (fr) * 1993-12-10 1995-06-14 GEHRING, Manfred, Dr. Recouvrement de faîte et/ou d'arête de toits ainsi que procédé pour la réalisation de recouvrement de faite et/ou d'arête
GB2408755A (en) * 2003-12-04 2005-06-08 Norm Amc Ag A ventilation strip for a hip, ridge or valley of a roof

Also Published As

Publication number Publication date
FI96984B (fi) 1996-06-14
FI914318A0 (fi) 1991-09-13
DE59100807D1 (de) 1994-02-17
ATE99761T1 (de) 1994-01-15
FI96984C (fi) 1996-09-25
EP0476531B1 (fr) 1994-01-05
ES2048545T3 (es) 1994-03-16
DE9013108U1 (de) 1990-11-15
NO913618D0 (no) 1991-09-13
NO180391B (no) 1996-12-30
NO180391C (no) 1997-04-09
DK0476531T3 (da) 1994-03-14
NO913618L (no) 1992-03-16
FI914318A (fi) 1992-03-15

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