EP0626485A1 - Regenwasserablaufvorrichtung - Google Patents

Regenwasserablaufvorrichtung Download PDF

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Publication number
EP0626485A1
EP0626485A1 EP94810298A EP94810298A EP0626485A1 EP 0626485 A1 EP0626485 A1 EP 0626485A1 EP 94810298 A EP94810298 A EP 94810298A EP 94810298 A EP94810298 A EP 94810298A EP 0626485 A1 EP0626485 A1 EP 0626485A1
Authority
EP
European Patent Office
Prior art keywords
flow
drainage
opening
calibrated openings
water
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.)
Withdrawn
Application number
EP94810298A
Other languages
English (en)
French (fr)
Inventor
Samuel Feuz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0626485A1 publication Critical patent/EP0626485A1/de
Withdrawn legal-status Critical Current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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet

Definitions

  • the present invention relates to a device for draining rainwater collected on a substantially horizontal surface of a slab or a roof, as described in the preamble of claim 1.
  • the flow rate can be extremely variable, so that, for example during thunderstorms, rainwater pours very quickly and in large quantities directly into the public collectors, which often causes floods, floods and considerable damage to infrastructure equipment.
  • the object of the invention is to allow regulation of the flow rate of rainwater collected on a slab or on a roof, so as to allow this water to be evacuated slowly, the flow peaks being absorbed by a water retention phenomenon on the roof.
  • the device according to the invention comprises the means described in the characterizing part of claim 1. Particular embodiments of this device are described in claims 2 to 7.
  • FIG. 1 a rainwater flow device is represented schematically by the reference 1, this device being placed on a substantially horizontal surface 6 of a slab or roof.
  • Rainwater of which different levels are indicated by the references 25, 7 and 24, flows through the device 1 to be discharged via a flow line 5.
  • FIG. 2 is a perspective view of this same arrangement.
  • Figs 3 and 4 show the structure of this flow device 1.
  • a base plate 8 There is, at the center of a base plate 8, a flow opening 16 surrounded by a water retaining frame 10, itself surrounded by a gravel guard 9.
  • the latter consists of a set of perforated side walls, this set can have a square shape as in Figs 3 and 4 or, for example, a circular shape.
  • the perforations are dimensioned so as to retain the gravel outside the device, as shown schematically in FIG. 5 by reference 23, and allowing rainwater to pass, the flow of which is illustrated diagrammatically by the arrows in FIGS. 3 and 4.
  • the water retaining frame 10 is also constituted by a set of side walls which have one or more calibrated openings 15, through which the water must pass to reach the flow opening 16, as long as the level of the the water collected on the slab does not exceed the level 7 illustrated in Figs 1 and 5 and which corresponds to the height of the retaining frame 10.
  • the calibrated openings 15 can be made directly in the side walls or be cut from interchangeable plates, such as the plates 14 shown in Figs 3 and 4.
  • the shape and dimensions of these openings 15 are adapted to the particular conditions of a given installation, so as to obtain the desired reduction in flow rate as a function of the water level above the surface of the plate 8.
  • these calibrated openings have a triangular shape, the base of the triangle being parallel to the plate 8, so that the increase in the flow becomes lower as the water level rises.
  • the surface water level 25 will lead to a normal flow without any restraint and reducing action by the device. If the amount of rainwater collected is greater than the outgoing flow, the water level outside the retaining frame 10 rises to stabilize at an intermediate level, such as 27, or continues to rise to the maximum level 7. The difference between levels 25 and 7 defines the volume of retention which must make it possible to absorb all the predicted storm surges for a given installation. However, if the quantity of rainwater is exceptionally high, the water level can rise to the overflow level 24 and, in this case, the water pours over the retaining frame 10, the device then acting as too full of security.
  • the height of the water retention frame 10 thus corresponds to the maximum retention height which is generally between 6 and 25 cm depending on the retention volume that is to be obtained and the place where the device is placed, preferably at the lowest point of a roof.
  • Fig. 3 illustrates, more particularly, the case of the use of interchangeable plates which allows easy adaptation of the reduction in flow in a given device.
  • the walls of the retaining frame 10 have openings such as 2, in front of which the plates such as 14 can be inserted into a frame 13, and have the calibrated openings 15.
  • These can have a circular, oval, square or rectangular shape, the preferred shape being the triangular shape mentioned above.
  • the gravel keeper 9 is preferably covered with a perforated cover 17, as shown in FIG. 5.
  • the various elements of the device can be made of aluminum, copper, stainless steel, plasticized steel or even a plastic material, such as PVC, polypropylene or polyethylene.
  • a device according to the invention has been illustrated diagrammatically, it being understood that this device can be provided both for existing installations and to be fully integrated in the case of new embodiments.
  • a roofing slab 19 at the location of a rainwater outlet 3.
  • the latter is surrounded by a flow insulation 28 and opens onto a flow pipe 5.
  • the roof is provided with an insulation 20 and covered with a sealing layer 21, the base plate of the flow device being further surrounded by a sealing flap 22.
  • the roofing gravel is indicated by 23.
  • the invention makes it possible to obtain a reduction in the discharge rate of the water collected on the surface of a slab or roof, the dimensions of the calibrated openings being able to be determined as a function of the maximum desired discharge rate and the restraint height.
  • the rate of reduction of flow compared to a decennial rainfall density can go up to a ratio of 15 to 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP94810298A 1993-05-24 1994-05-24 Regenwasserablaufvorrichtung Withdrawn EP0626485A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH155293A CH689085A5 (fr) 1993-05-24 1993-05-24 Dispositif d'écoulement d'eau pluviale.
CH1552/93 1993-05-24

Publications (1)

Publication Number Publication Date
EP0626485A1 true EP0626485A1 (de) 1994-11-30

Family

ID=4213088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94810298A Withdrawn EP0626485A1 (de) 1993-05-24 1994-05-24 Regenwasserablaufvorrichtung

Country Status (2)

Country Link
EP (1) EP0626485A1 (de)
CH (1) CH689085A5 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155015A (en) * 1999-09-09 2000-12-05 Kirby; Mark E. Method for making a sloped floor
US7774998B2 (en) * 2004-03-15 2010-08-17 Sunpower Corporation Ventilated photovoltaic module frame
EP2982810A1 (de) * 2014-08-08 2016-02-10 Optigrün international AG Wasserabflusssystem mit automatisch regelbarer abflussmenge
CH720614A1 (de) * 2023-03-17 2024-09-30 Profilsager Ag Rückhalteelement zur Rückhaltung eines Schüttguts enthaltend ein Profilelement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1121288A (en) * 1965-11-20 1968-07-24 Wade Internat Ltd Drain head suitable for a roof downpipe
DE1658180A1 (de) * 1967-10-16 1970-06-25 Beme Gmbh Metallerzeugnisse Einlaufkorb fuer Flachdaecher
GB1200990A (en) * 1968-02-15 1970-08-05 Wade Internat Ltd Roof drain
US5051175A (en) * 1989-12-20 1991-09-24 Roof Accessories, Inc. Drain guard

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1121288A (en) * 1965-11-20 1968-07-24 Wade Internat Ltd Drain head suitable for a roof downpipe
DE1658180A1 (de) * 1967-10-16 1970-06-25 Beme Gmbh Metallerzeugnisse Einlaufkorb fuer Flachdaecher
GB1200990A (en) * 1968-02-15 1970-08-05 Wade Internat Ltd Roof drain
US5051175A (en) * 1989-12-20 1991-09-24 Roof Accessories, Inc. Drain guard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155015A (en) * 1999-09-09 2000-12-05 Kirby; Mark E. Method for making a sloped floor
US7774998B2 (en) * 2004-03-15 2010-08-17 Sunpower Corporation Ventilated photovoltaic module frame
EP2982810A1 (de) * 2014-08-08 2016-02-10 Optigrün international AG Wasserabflusssystem mit automatisch regelbarer abflussmenge
CH720614A1 (de) * 2023-03-17 2024-09-30 Profilsager Ag Rückhalteelement zur Rückhaltung eines Schüttguts enthaltend ein Profilelement

Also Published As

Publication number Publication date
CH689085A5 (fr) 1998-09-15

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