CN1215446A - Device for draining rainwater from the roof surface of a building - Google Patents
Device for draining rainwater from the roof surface of a building Download PDFInfo
- Publication number
- CN1215446A CN1215446A CN97193509.2A CN97193509A CN1215446A CN 1215446 A CN1215446 A CN 1215446A CN 97193509 A CN97193509 A CN 97193509A CN 1215446 A CN1215446 A CN 1215446A
- Authority
- CN
- China
- Prior art keywords
- container
- fin
- section
- conical wall
- cross
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims abstract description 3
- 239000004576 sand Substances 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 9
- 102000010637 Aquaporins Human genes 0.000 claims description 6
- 108010063290 Aquaporins Proteins 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 201000011666 conjunctival pterygium Diseases 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 101001031591 Mus musculus Heart- and neural crest derivatives-expressed protein 2 Proteins 0.000 description 10
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Building Environments (AREA)
- Sewage (AREA)
- Soil Working Implements (AREA)
- Building Awnings And Sunshades (AREA)
- Sink And Installation For Waste Water (AREA)
- Tents Or Canopies (AREA)
- Nozzles (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
A device including a vertical discharge pipe (1) on top of which a receptacle (2) flush with the roof surface and with a larger cross-section than that of the pipe is provided, and an anti-vortex device (5) with a cross-section greater than that of the pipe (1) and lesser than that of the receptacle (2) mounted inside said receptacle over the inlet end of the discharge pipe (1), characterised in that the anti-vortex device has a solid tapering wall (6) with peripheral axial wings (7) engaging the bottom portion of the receptacle surrounding the discharge pipe inlet and defining, with said bottom portion, radial channels for conducting water towards the discharge pipe, and in that the tapering wall (6) is aligned with a frustoconical portion (3) of the receptacle wall so as to form therewith a water passage (6a).
Description
The present invention relates to building roof surface rain drainage device, it in particular concerns sealing or siphon overflow eduction gear.
The characteristics of this overflow are that the conduit that water flows therein is water-filled, do not carry air.
We recognize a kind of conduit that is used to collect and drain building roof surface rainwater according to FR 2337237, and conduit comprises the excretory duct that its upper end is equipped with collection container, and the cross section of container is greater than the cross section of excretory duct arrival end opening.The upper edge of container is provided with to such an extent that be higher than above-mentioned opening.
The entity lid of cross section between the cross section of the cross section of opening and container is fixed on the opening top, and is equipped with the metal screen that its wall surrounds excretory duct inlet opening.This net hole that gets beat up, the area in hole is big like this, and promptly the ratio in the cross section of the filter screen perforated wall circulation gross area and excretory duct is defined between 2.5 and 3.5.
The diameter of considering the common excretory duct that uses for this device is 75 millimeters, and the diameter that should be connected container on the excretory duct or alms bowl shape thing is too big, therefore is necessary to realize on the roof reinforcing bracket of an eduction gear drain hole.
This class Unit Installation cost increases.
The present invention seeks to eliminate the above-mentioned defective of known devices by creating a kind of dewatering installation, it definitely be simple structure and can:
-on roof, obtain the lowest water level that can reach with its equipment, and under any circumstance, the water level during normal discharge all is lower than 55 millimeters.
-use diameter less than 200 millimeters container or alms bowl shape thing, build carriage to avoid on being arranged at the roof, being used in the hole of catching device, when the size in this hole surpassed 200 millimeters, according to the DTU standard, such joist was necessary.
The chip that-interception is carried by rainwater; Particularly peel off, can stop up the tablet of minor diameter horizontal duct from some composite coating.
Of the present invention to liking building roof surface rain drainage device, it comprise the vertical excretory duct that container is housed its top with and cross section being arranged in the said vesse, being positioned at the vortex eliminator of excretory duct upper end between the container section of tube section, the cross section of container is greater than the cross section of excretory duct, container is pre with roof surface and flushes, it is characterized in that: vortex eliminator comprises the taper solid wall that is provided with the axial fin of periphery, and fin contacts with the container bottom that surrounds excretory duct.And with the fixed radial passage of the above-mentioned lowest limit, so that current direction excretory duct, and its conical wall is settled with respect to the frustoconical part of chamber wall, so that form an aquaporin with the latter, the ratio of the cross section of aquaporin and the cross section of excretory duct is approximately 1, and aquaporin is limited between the conical wall and container frusto-conical wall part of vortex eliminator.
The present invention can be better understood in description below reading, and these descriptions provide as just example, and with reference to the accompanying drawings, in the accompanying drawings:
-Fig. 1 is the rain drainage device cross-sectional elevational view according to the invention that is positioned at original position in the roof flat board;
-Fig. 2 is vortex eliminator and has the lid of the mounting rod of extracting out from container or the exploded view of rough sand protector.
In Fig. 1, represented to place the rain drainage device of the present invention of original position on the dull and stereotyped D in roof.
It mainly comprises a vertical excretory duct (1), is also referred to as stub, and a roughly cylindrical circular container or alms bowl shape thing (2) are equipped with in its upper end, and its cross section is greater than the cross section of pipe (1), and it is linked on the pipe by frusto-conical wall part (3).Alms bowl shape thing (2) comprises a chassis that roughly is square (4) in its end that flushes with dull and stereotyped D, and chassis (4) place on the dull and stereotyped D, guarantees the sealing that is connected dull and stereotyped and eduction gear.
In alms bowl shape thing 2, settled a vortex eliminator that comprises conical entity awl wall 6, the conical end that is connected to the pipe 1 on the alms bowl shape thing 2 of pointing to.Conical wall 6 is arranged facing to frusto-conical wall portion 3, and is formed a passage that leads to excretory duct 1 together with it.At the periphery of conical wall 6, be provided with the axial fin 7 of regular distribution.Eduction gear has been equipped with cap or the rough sand protection body 8 that is centered on by a breakage-proof chip system 9, system 9 is installed on the chassis 4 and is used for stopping most of fragment or tablet, some overburden peels off from the roof for these fragments or tablet, and may stop up those horizontal ducts of rain drainage facility.
As seeing in Fig. 2, fin 7 is being connected on the middle part of their length on the conical wall 6, and is preferably relative in twos, and points to the center of conical wall 6 along its width.Therefore those end points of the fin 7 of the concave face that is positioned at conical wall 6 of fin 7 turn to the end points on the band chassis 4 of taking alms bowl shape thing 2, are connected to each other by adding garter spring 10.The other end opposite with above-mentioned ring of fin 7 then ends at tip 11, and by these tips 11, vortex eliminator 5 is built up on the bottom 12 of encirclement excretory duct 1 of alms bowl shape thing 2.
Vortex eliminator 5 has one by conical walls 6 in the top of frusto-conical wall 6 like this, the formed annular fence 14 of part that adds garter spring 10 and the fin 7 that the two couples together with this, and have rake shape grid below frusto-conical wall, rake shape grid are used for making water circulating between the part of fin 7 below the frusto-conical wall 6 and that contact with the end 12 of alms bowl shape thing 2.
Upper, annular fence 14 prevents to produce vortex in the box that is formed by conical wall 6, is prevented from equally to produce vortex in the current that enter pipe 1 and constitute rake shape grid by the end that has tip 11 of fin 7.
In Fig. 2, see in addition, vortex eliminator 5 comprise some space hexagonal angles and settle and each all constitute the contact chip that centers of a projection with respect to an axial fin 7.
Be connected to the identical circle of a diameter and alms bowl shape thing or container 2 in those contact chips 16, and thereby guarantee vortex eliminator centering in alms bowl shape thing.
The appearance of fin 7 produce one radially current by periphery to alms bowl shape thing center flow, and thereby prevent the formation of vortex fully, vortex can be brought air in excretory duct or the stub 1 into.
The cap or the rough sand protector 8 of device have the shape of heaving, and comprise roughly some slits 20 radially.It has the diameter that a diameter with alms bowl shape thing 2 adapts, and some axial fins 22 that contact with alms bowl shape thing 2 edges along its peripheral regular distribution are arranged.Such as, there is one in the middle of per two fins and comprises the finger 24 that centers, be used for contacting with alms bowl shape thing or container 2 inwalls.The number that is provided with the axial fin of the finger that centers can be elected difference as.
Fin 22 defines a passage 25 that makes rainwater flow into alms bowl shape thing 2 jointly with the chassis 4 of alms bowl shape thing.
The frusto-conical wall 6 of vortex eliminator 5 and cap or rough sand protector be a center drilling separately.The bar 26 that is slidingly connected inserts in this perforate, and it comprises a head 27, and squeezes flat back in bar 26 end opposite and support a fixing ring washer 28.
This bar can make rough sand protector 8 with respect to vortex eliminator 5 a little distance that moves axially be arranged, and is beneficial to:
-vortex eliminator 5 is good location in alms bowl shape thing 2.
-when strong wind is arranged, the rough sand protector is remained on original position.
-under the situation that does not adopt bolt, will prevent that by the low pressure that forms the whirlpool device remains on original position and fixes during work, and be fixed in position by center-pole 26 when not working.
Ratio between the section S 2 of the section S 1 of passage 6a and above-mentioned excretory duct (Fig. 1) approximately elects 1 as according to the present invention, passage 6a be limited at the conical wall 6 of vortex eliminator 5 and frusto-conical wall 3 that excretory duct 1 and alms bowl shape thing 2 are coupled together between.
With respect to the cross section of excretory duct, can use the relatively little vortex eliminator in cross section, and can use the skewback of reasonable size for this reason with good flow rates characteristic.
It is made of the punching iron sheet ring 30 that the edge 31 of intercepting and capturing fragment is housed.It equally can by metal or fabric web eye thimble or or even foamed material constitute.
For the light rain of the water level that is lower than filter height that produces on the roof, mesh stops tablet, but does not block water.
When water began to spin around skewback, the upper plane of strainer flange or flange 31 just were used for blocking floatable tablet.
For heavy rain, water and tablet have flooded strainer, prevent tablet strainer 9 thereby have a height corresponding with water level, on this water level, skewback (thereby also being pipe-line system) begins from siphon mode work, thereby can not stopped up (water Ex-all) by tablet again.
Claims (10)
1. building roof surface rain drainage device, it comprise the vertical excretory duct (1) that container (2) is housed its top with and cross section being arranged in the said vesse between container (2) cross section in pipe (1) cross section, be positioned at the vortex eliminator (5) of excretory duct (1) upper end, the cross section of container (2) is greater than the cross section of excretory duct, container (2) is pre with roof surface and flushes, it is characterized in that: vortex eliminator comprises the taper solid wall (6) that is provided with the axial fin (7) of periphery, fin (7) contacts with the container bottom that surrounds excretory duct, and with the fixed radial passage of the above-mentioned lowest limit, so that current direction excretory duct, and its conical wall (6) is settled with respect to the frustoconical part (3) of chamber wall, so that form an aquaporin (6a) with the latter, the ratio of the cross section of aquaporin (6a) and the cross section of excretory duct is approximately 1, and aquaporin is limited between the conical wall and container frusto-conical wall (3) part of vortex eliminator.
2. according to the described eduction gear of the claim of front, it is characterized in that: conical wall (6) is in the middle part and axial fin (7) of fin length, be connected, the end that is positioned at conical wall (6) concave surface one side of fin couples together by adding garter spring (10), so that form fence (14) with the awl wall, prevention produces vortex in the basin that is formed by conical wall, and the end that is positioned at conical wall (6) tip one side of fin and conical wall (6) and container bottom (12) that wing tip contacted limit rake shape grid, prevent to produce vortex in the current of inflow pipe (1).
3. according to the described eduction gear of claim 2, it is characterized in that the fin (7) of vortex eliminator (5) points to the center of conical wall (6) along its width.
4. according to claim 2 or 3 central described eduction gears, it is characterized in that, vortex eliminator comprises the contact that centers (16), and the contact constitutes a projection with respect to an axial fin (7) separately, and in connect circle of equal diameters of a diameter and container (2).
5. according to any one described eduction gear in the claim 1 to 4, it is characterized in that, container (2) it be used for have the roof with end that roof surface flushes and be connected sealed chassis (4) with one of eduction gear.
6. according to any one described device in the claim 1 to 5, it is characterized in that, it also has the shape of heaving cap or rough sand protector (8), cap or rough sand protector have and the suitable diameter of container (2) diameter, and have some axial fins (22) on container (2) edge of being bearing in along its peripheral regular distribution, at least some above-mentioned fin (22) comprises the finger that centers (24), be used for contacting with the inwall of container (2), above-mentioned support flap defines the passage that water flows into container (2).
7. according to the described eduction gear of claim 6, it is characterized in that, each all comprises a central opening vortex eliminator (5) and cap or rough sand protector (8), the sliding bar that vortex eliminator (5) and cap (8) are coupled together inserts in the above-mentioned perforate, above-mentioned bar (26) comprises a head (27), and, after being crushed, bar (26) respective end supports a fastening pad (28) at the opposite end of its headstock portion.
8. according to a described eduction gear in the middle of claim 6 and 7, it is characterized in that, it also comprises a filtration system of surrounding above-mentioned cap or rough sand protector (8), and above-mentioned filtration system is used for stopping fragment, such as the tablet that peels off from some roof covering layer.
9. according to the described eduction gear of claim 8, it is characterized in that filtration system is a punching iron sheet ring (30), ring be equipped with stop fragment, the edge (31) that stops fragment on the be positioned over container chassis (4) of (2).
10. according to the described eduction gear of claim 8, it is characterized in that filtration system is metal or fabric web eye thimble, or the foamed material ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9604355A FR2747144B1 (en) | 1996-04-05 | 1996-04-05 | DEVICE FOR DRAINING RAINWATER FROM THE SURFACE OF A BUILDING ROOF |
| FR96/04355 | 1996-04-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215446A true CN1215446A (en) | 1999-04-28 |
| CN1114020C CN1114020C (en) | 2003-07-09 |
Family
ID=9490989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97193509.2A Expired - Fee Related CN1114020C (en) | 1996-04-05 | 1997-04-02 | Device for draining rainwater from the roof surface of a building |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0891461B1 (en) |
| CN (1) | CN1114020C (en) |
| AT (1) | ATE195992T1 (en) |
| DE (1) | DE69702971T2 (en) |
| DK (1) | DK0891461T3 (en) |
| ES (1) | ES2150242T3 (en) |
| FR (1) | FR2747144B1 (en) |
| GR (1) | GR3034207T3 (en) |
| HK (1) | HK1018088A1 (en) |
| NO (1) | NO311146B1 (en) |
| PT (1) | PT891461E (en) |
| TR (1) | TR199801995T2 (en) |
| WO (1) | WO1997038184A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906854A (en) * | 2010-08-24 | 2010-12-08 | 北京泰宁科创科技有限公司 | Snow-melting pressure flow rain hopper |
| CN102439347A (en) * | 2009-03-10 | 2012-05-02 | 法尔塞有限公司 | Water drain assembly, in particular for siphonic roof drainage systems |
| CN105421572A (en) * | 2015-12-16 | 2016-03-23 | 江苏南方雄狮建设工程有限公司 | Anti-blocking and easy-to-clean floor drain |
| CN107923182A (en) * | 2015-05-25 | 2018-04-17 | Tac-M有限公司 | Lid for flow inlet |
| CN109276939A (en) * | 2017-07-19 | 2019-01-29 | 简佑家 | Fluid circuit radome fairing and fluid circuit rectifier stack |
| CN114809467A (en) * | 2022-07-01 | 2022-07-29 | 江苏禹润水务研究院有限公司 | Siphon rainwater fill for building drainage |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19748590A1 (en) * | 1997-09-20 | 1999-03-25 | Norddeutsche Seekabelwerk Gmbh | Drain cover particularly for flat roofs |
| GB2347451B (en) * | 1999-03-01 | 2002-10-30 | Marley Alutec Ltd | Drainage assembly and anti-vortex fins therefor |
| FR2791722B1 (en) * | 1999-04-01 | 2001-04-27 | Pont A Mousson | DEVICE FOR DRAINING RAINWATER WITH REGULATED FLOW |
| DE10026842A1 (en) * | 2000-05-30 | 2002-01-03 | Moeck Gmbh & Co Kg Geb | Device for roof drainage |
| FR2862676B1 (en) | 2003-11-21 | 2006-01-20 | Saint Gobain Pont A Mousson | LIQUID EXHAUST DEVICE AND CORRESPONDING LIQUID GUIDE DEVICE |
| DE10361532B3 (en) * | 2003-12-23 | 2005-04-21 | Axel Bohatsch | Control valve with sand and leaf trap for drain in street or roadway has air access openings in sides of housing and float closing air valve when valve chamber is full of water |
| FR2927638A1 (en) * | 2008-02-15 | 2009-08-21 | Eroa Sarl | DEVICE FOR REGULATING THE EVACUATION OF RAW WATER FROM A ROOF SURFACE |
| CN104088405B (en) * | 2014-07-04 | 2016-07-06 | 南通沪望塑料科技发展有限公司 | A kind of dewatering in siphon type collects reutilization system |
| CN111997281B (en) * | 2020-07-17 | 2021-08-17 | 北京天艺科创雨水利用科技有限公司 | Siphon rainwater fill for building drainage |
| CN115341719A (en) * | 2022-09-09 | 2022-11-15 | 山西二建集团有限公司 | Roof siphon drainage and filter screen collecting system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1791512A (en) * | 1929-10-17 | 1931-02-10 | Schurman John | Roof sump |
| US2079269A (en) * | 1936-03-23 | 1937-05-04 | David S Williams | Drain |
| CH437153A (en) * | 1965-12-24 | 1967-05-31 | Etasa Ag | Drainage inlet shaft |
| DE6903939U (en) * | 1969-02-01 | 1969-05-22 | Dynamit Nobel Ag | WATER DRAIN FOR FLAT ROOFS |
| US4505814A (en) * | 1983-04-18 | 1985-03-19 | Tyler Pipe | Adjustably extensible roof drain receptacle |
| GB2269402B (en) * | 1992-08-07 | 1996-05-01 | Fullflow Systems Ltd | Drain outlet for a syphonic or full flowing drainage system |
| GB9302475D0 (en) * | 1993-02-09 | 1993-03-24 | Harmer Holdings Ltd | High flow drains |
-
1996
- 1996-04-05 FR FR9604355A patent/FR2747144B1/en not_active Expired - Fee Related
-
1997
- 1997-04-02 AT AT97919468T patent/ATE195992T1/en not_active IP Right Cessation
- 1997-04-02 PT PT97919468T patent/PT891461E/en unknown
- 1997-04-02 EP EP97919468A patent/EP0891461B1/en not_active Expired - Lifetime
- 1997-04-02 WO PCT/FR1997/000593 patent/WO1997038184A1/en active IP Right Grant
- 1997-04-02 CN CN97193509.2A patent/CN1114020C/en not_active Expired - Fee Related
- 1997-04-02 DK DK97919468T patent/DK0891461T3/en active
- 1997-04-02 ES ES97919468T patent/ES2150242T3/en not_active Expired - Lifetime
- 1997-04-02 TR TR1998/01995T patent/TR199801995T2/en unknown
- 1997-04-02 DE DE69702971T patent/DE69702971T2/en not_active Expired - Lifetime
-
1998
- 1998-10-05 NO NO19984652A patent/NO311146B1/en not_active IP Right Cessation
-
1999
- 1999-07-15 HK HK99103055A patent/HK1018088A1/en not_active IP Right Cessation
-
2000
- 2000-08-31 GR GR20000401788T patent/GR3034207T3/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439347A (en) * | 2009-03-10 | 2012-05-02 | 法尔塞有限公司 | Water drain assembly, in particular for siphonic roof drainage systems |
| CN101906854A (en) * | 2010-08-24 | 2010-12-08 | 北京泰宁科创科技有限公司 | Snow-melting pressure flow rain hopper |
| CN101906854B (en) * | 2010-08-24 | 2012-02-22 | 北京泰宁科创雨水利用技术股份有限公司 | Snow-melting pressure flow rain hopper |
| CN107923182A (en) * | 2015-05-25 | 2018-04-17 | Tac-M有限公司 | Lid for flow inlet |
| CN107923182B (en) * | 2015-05-25 | 2020-05-15 | Tac-M有限公司 | Cover for water inlet |
| CN105421572A (en) * | 2015-12-16 | 2016-03-23 | 江苏南方雄狮建设工程有限公司 | Anti-blocking and easy-to-clean floor drain |
| CN109276939A (en) * | 2017-07-19 | 2019-01-29 | 简佑家 | Fluid circuit radome fairing and fluid circuit rectifier stack |
| CN114809467A (en) * | 2022-07-01 | 2022-07-29 | 江苏禹润水务研究院有限公司 | Siphon rainwater fill for building drainage |
| CN114809467B (en) * | 2022-07-01 | 2022-09-13 | 江苏禹润水务研究院有限公司 | Siphon rainwater fill for building drainage |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69702971D1 (en) | 2000-10-05 |
| DE69702971T2 (en) | 2000-12-28 |
| WO1997038184A1 (en) | 1997-10-16 |
| CN1114020C (en) | 2003-07-09 |
| ATE195992T1 (en) | 2000-09-15 |
| HK1018088A1 (en) | 1999-12-10 |
| DK0891461T3 (en) | 2000-12-18 |
| GR3034207T3 (en) | 2000-11-30 |
| NO984652D0 (en) | 1998-10-05 |
| FR2747144A1 (en) | 1997-10-10 |
| EP0891461A1 (en) | 1999-01-20 |
| EP0891461B1 (en) | 2000-08-30 |
| ES2150242T3 (en) | 2000-11-16 |
| NO984652L (en) | 1998-10-05 |
| PT891461E (en) | 2001-01-31 |
| TR199801995T2 (en) | 1999-01-18 |
| NO311146B1 (en) | 2001-10-15 |
| FR2747144B1 (en) | 1998-05-15 |
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