EP1491694A1 - Drain water sump - Google Patents
Drain water sump Download PDFInfo
- Publication number
- EP1491694A1 EP1491694A1 EP20040102959 EP04102959A EP1491694A1 EP 1491694 A1 EP1491694 A1 EP 1491694A1 EP 20040102959 EP20040102959 EP 20040102959 EP 04102959 A EP04102959 A EP 04102959A EP 1491694 A1 EP1491694 A1 EP 1491694A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sump
- tank
- compartment
- vessel
- chamber
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/024—Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0412—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface
- E03F2005/0413—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface for height adjustment
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
- E03F2005/0417—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a valve
Definitions
- the present invention relates to a drain water sump.
- a sanitary fixture drain water sump comprises a vessel, usually made of plastic material, installed in the floor, and having an inner chamber with a top access opening covered with a grid; and in a lateral wall of the vessel are formed one or more service holes, through which the drain water from respective sanitary fixtures is collected, and a drain hole, through which the water collected in the sump is fed to a drain pipe.
- Known sumps have various drawbacks. In particular, they do not always provide for effectively disposing of large amounts of drain water, so that the sump may collect more water than it can dispose of, with the result that the water accumulates inside the sump and leaks out through the top grid into wherever the sump is installed.
- drain water often being foamy
- large amounts of foam tend to accumulate in the sump, even if the water is disposed of properly through the drain hole, and known sumps do not always succeed in preventing foam from accumulating in the inner chamber and seeping out through the grid.
- known sumps do not always provide for effectively preventing backflow phenomena.
- Another particular object of the invention is to provide a sump which, while disposing of large amounts of water, also prevents foam seepage and any other undesired backflow phenomena.
- the sump according to the invention is thus cheap and easy to produce, while at the same time disposing of much larger amounts of water than sumps of similar size and in the same operating conditions.
- the sump according to the invention also provides for effectively preventing foam seepage and any other undesired backflow phenomena.
- Number 1 in Figures 1 and 2 indicates as a whole a domestic sump for collecting drain water from sanitary fixtures.
- Sump 1 comprises a vessel 2, preferably made of plastic material and box-shaped, and having an inner chamber 3.
- Vessel 2 comprises a generically cylindrical portion 4 and a substantially prismatic portion 5, which are contiguous and communicate internally to define chamber 3; and, inside chamber 3, portions 4 and 5 are bounded by a partition 7.
- vessel 2 comprises a substantially flat top wall 8 and a substantially flat bottom wall 9 parallel to each other; and a lateral wall 10 extending perpendicularly between top wall 8 and bottom wall 9.
- Lateral wall 10 comprises a curved, substantially semicircular portion 11; and a C-shaped portion 12 in turn comprising a rear wall 13, and two lateral sides 14 connected to portion 11.
- partition 7 is defined by a flat wall parallel to rear wall 13 and perpendicular to top wall 8 and bottom wall 9.
- Top wall 8 has an opening 15 for access to chamber 3; and opening 15 is bounded by a circular peripheral edge 16 having a radially inner flange 17 recessed slightly with respect to top wall 8 to define an annular shoulder 18.
- Top wall 8 has a cylindrical collar 19 surrounding opening 15, and in which an extension sleeve 21 is inserted with the interposition of a sealing ring 20; and sleeve 21 is closed at the top by a grid 22 supported by a flange 23.
- drain hole 25 associated with a sleeve 26; and a number of service holes 27 spaced circumferentially along lateral wall 10 and associated with respective sleeves 28 projecting radially from lateral wall 10. Drain hole 25 is connected, in use, to a drain pipe, while service holes 27 are connected to respective sanitary fixtures, and the unused service holes 27 are closed by plugs 29.
- a tank 30 is inserted inside chamber 3 to divide chamber 3 into a first and second compartment 31, 32 communicating through an outflow opening 33. More specifically, tank 30 is inserted radially inside vessel 2 to define a substantially annular channel 35 between tank 30 and vessel 2, so that compartment 31 is defined inside tank 30, and compartment 32 is radially outwards with respect to compartment 31 and is substantially defined by channel 35.
- tank 30 comprises a substantially cylindrical cup-shaped body 36 having a bottom end 37 closed by a bottom wall 38, and an open top end 39; end 39 has a substantially annular, radially outer seating edge 40 which rests on shoulder 18; and seating edge 40 is substantially flush with the outer surface of top wall 8.
- Tank 30 comprises a top portion 41 having seating edge 40 and bounded by a flared lateral wall 42; and a bottom portion 43 having bottom wall 38 and bounded by a substantially cylindrical lateral wall 44.
- Bottom wall 38 is oblique with respect to lateral wall 44; and bottom portion 43 is smaller in diameter than top portion 41, and is connected to the top portion by an annular flange 45.
- Tank 30 is inserted through opening 15, and projects vertically inside chamber 3; and bottom wall 38 is positioned facing and a predetermined distance from bottom wall 9 of vessel 2, and slopes with respect to bottom wall 9.
- Lateral wall 44 of bottom portion 43 has a flat portion 46, through which is formed outflow opening 33, which is substantially circular and bounded by a peripheral edge 47; and a fluidtight seat 48 is defined inside outflow opening 33.
- Outflow opening 33 is associated with a non-return valve 50 allowing fluid flow in one direction only, outwards of tank 30, i.e. from compartment 31 to compartment 32.
- valve 50 comprises a rocking shutter 51 cooperating with fluidtight seat 48; shutter 51 comprises a flap 52 hinged at the top to two supports 53 on the outside of tank 30, and which is only movable outwards of tank 30; and flap 52 has two pins 54 fitted to and rotating freely on supports 53, and clicked inside respective seats 55 formed in supports 53.
- Flap 52 comprises a plug portion 56 insertable inside outflow opening 33; and a radially outer portion 57 which rests against peripheral edge 47 of outflow opening 33.
- Sump 1 also comprises a siphon 59 ( Figure 2) connecting compartment 32 to drain hole 25.
- partition 7 defines inside chamber 3 a third compartment 60 adjacent to compartment 32 and communicating with compartment 32 through an auxiliary hole 61 formed through partition 7, close to bottom wall 9 of vessel 2; and drain hole 25 and auxiliary hole 61 are located at different heights to define siphon 59.
- Partition 7 also has an inspection hole 63 which is located close to top wall 8 of vessel 2, is substantially aligned with drain hole 25, and is closed by a removable plug 64.
- the drain water from the various sanitary fixtures connected to service holes 27 is collected inside compartment 32, and flows inside annular channel 35 and siphon 59 to drain hole 25.
- Annular channel 35 is sized to impart substantially laminar flow to the water flowing through, and backflow of water and/or foam from compartment 32 to compartment 31 is prevented by non-return valve 50, which also keeps insects and small animals out of compartment 31.
Abstract
Description
- The present invention relates to a drain water sump.
- Generally speaking, a sanitary fixture drain water sump comprises a vessel, usually made of plastic material, installed in the floor, and having an inner chamber with a top access opening covered with a grid; and in a lateral wall of the vessel are formed one or more service holes, through which the drain water from respective sanitary fixtures is collected, and a drain hole, through which the water collected in the sump is fed to a drain pipe.
- Known sumps have various drawbacks. In particular, they do not always provide for effectively disposing of large amounts of drain water, so that the sump may collect more water than it can dispose of, with the result that the water accumulates inside the sump and leaks out through the top grid into wherever the sump is installed.
- Moreover, drain water often being foamy, large amounts of foam tend to accumulate in the sump, even if the water is disposed of properly through the drain hole, and known sumps do not always succeed in preventing foam from accumulating in the inner chamber and seeping out through the grid. In other words, known sumps do not always provide for effectively preventing backflow phenomena.
- It is therefore an object of the present invention to provide a drain water sump designed to eliminate the aforementioned drawbacks of the known art.
- In particular, it is an object of the invention to provide a sump which is fully effective in any operating condition, and which, more specifically, provides for disposing of large amounts of water, while at the same time being cheap and easy to produce.
- Another particular object of the invention is to provide a sump which, while disposing of large amounts of water, also prevents foam seepage and any other undesired backflow phenomena.
- According to the present invention, there is provided a drain water sump as claimed in the accompanying Claim 1.
- The sump according to the invention is thus cheap and easy to produce, while at the same time disposing of much larger amounts of water than sumps of similar size and in the same operating conditions.
- Even when dealing with large amounts of water, the sump according to the invention also provides for effectively preventing foam seepage and any other undesired backflow phenomena.
- A preferred, non-limiting embodiment of the invention will be described purely by way of example with reference to the accompanying drawings, in which:
- Figure 1 shows an exploded view in perspective of a drain water sump in accordance with the invention;
- Figure 2 shows a section of the Figure 1 sump assembled;
- Figure 3 shows a larger-scale view in perspective of a component part of the Figure 1 sump;
- Figures 4 and 5 show a larger-scale view in perspective and a larger-scale side view respectively of a further component part of the Figure 1 sump.
- Number 1 in Figures 1 and 2 indicates as a whole a domestic sump for collecting drain water from sanitary fixtures.
- Sump 1 comprises a
vessel 2, preferably made of plastic material and box-shaped, and having aninner chamber 3.Vessel 2 comprises a genericallycylindrical portion 4 and a substantiallyprismatic portion 5, which are contiguous and communicate internally to definechamber 3; and, insidechamber 3,portions partition 7. More specifically,vessel 2 comprises a substantially flat top wall 8 and a substantiallyflat bottom wall 9 parallel to each other; and alateral wall 10 extending perpendicularly between top wall 8 andbottom wall 9.Lateral wall 10 comprises a curved, substantiallysemicircular portion 11; and a C-shaped portion 12 in turn comprising arear wall 13, and twolateral sides 14 connected toportion 11. Andpartition 7 is defined by a flat wall parallel torear wall 13 and perpendicular to top wall 8 andbottom wall 9. - Top wall 8 has an
opening 15 for access tochamber 3; and opening 15 is bounded by a circular peripheral edge 16 having a radiallyinner flange 17 recessed slightly with respect to top wall 8 to define anannular shoulder 18. - Top wall 8 has a
cylindrical collar 19 surroundingopening 15, and in which anextension sleeve 21 is inserted with the interposition of asealing ring 20; andsleeve 21 is closed at the top by agrid 22 supported by aflange 23. - Through
lateral wall 10, close to top wall 8, are formed adrain hole 25 associated with asleeve 26; and a number ofservice holes 27 spaced circumferentially alonglateral wall 10 and associated withrespective sleeves 28 projecting radially fromlateral wall 10.Drain hole 25 is connected, in use, to a drain pipe, whileservice holes 27 are connected to respective sanitary fixtures, and theunused service holes 27 are closed byplugs 29. - A
tank 30 is inserted insidechamber 3 to dividechamber 3 into a first andsecond compartment outflow opening 33. More specifically,tank 30 is inserted radially insidevessel 2 to define a substantiallyannular channel 35 betweentank 30 andvessel 2, so thatcompartment 31 is defined insidetank 30, andcompartment 32 is radially outwards with respect tocompartment 31 and is substantially defined bychannel 35. - With reference also to Figure 3,
tank 30 comprises a substantially cylindrical cup-shaped body 36 having abottom end 37 closed by abottom wall 38, and an opentop end 39;end 39 has a substantially annular, radiallyouter seating edge 40 which rests onshoulder 18; andseating edge 40 is substantially flush with the outer surface of top wall 8. -
Tank 30 comprises atop portion 41 havingseating edge 40 and bounded by a flaredlateral wall 42; and abottom portion 43 havingbottom wall 38 and bounded by a substantially cylindricallateral wall 44.Bottom wall 38 is oblique with respect tolateral wall 44; andbottom portion 43 is smaller in diameter thantop portion 41, and is connected to the top portion by anannular flange 45. -
Tank 30 is inserted throughopening 15, and projects vertically insidechamber 3; andbottom wall 38 is positioned facing and a predetermined distance frombottom wall 9 ofvessel 2, and slopes with respect tobottom wall 9. -
Lateral wall 44 ofbottom portion 43 has aflat portion 46, through which is formedoutflow opening 33, which is substantially circular and bounded by aperipheral edge 47; and afluidtight seat 48 is defined insideoutflow opening 33. -
Outflow opening 33 is associated with anon-return valve 50 allowing fluid flow in one direction only, outwards oftank 30, i.e. fromcompartment 31 tocompartment 32. - With reference also to Figures 4 and 5,
valve 50 comprises a rockingshutter 51 cooperating withfluidtight seat 48;shutter 51 comprises aflap 52 hinged at the top to two supports 53 on the outside oftank 30, and which is only movable outwards oftank 30; andflap 52 has twopins 54 fitted to and rotating freely onsupports 53, and clicked insiderespective seats 55 formed insupports 53. -
Flap 52 comprises aplug portion 56 insertable insideoutflow opening 33; and a radiallyouter portion 57 which rests againstperipheral edge 47 ofoutflow opening 33. - Sump 1 also comprises a siphon 59 (Figure 2) connecting
compartment 32 todrain hole 25. - More specifically,
partition 7 defines inside chamber 3 athird compartment 60 adjacent tocompartment 32 and communicating withcompartment 32 through anauxiliary hole 61 formed throughpartition 7, close tobottom wall 9 ofvessel 2; anddrain hole 25 andauxiliary hole 61 are located at different heights to definesiphon 59. -
Partition 7 also has aninspection hole 63 which is located close to top wall 8 ofvessel 2, is substantially aligned withdrain hole 25, and is closed by aremovable plug 64. - In actual use, the drain water from the various sanitary fixtures connected to
service holes 27 is collected insidecompartment 32, and flows insideannular channel 35 andsiphon 59 to drainhole 25.Annular channel 35 is sized to impart substantially laminar flow to the water flowing through, and backflow of water and/or foam fromcompartment 32 tocompartment 31 is prevented bynon-return valve 50, which also keeps insects and small animals out ofcompartment 31.
Claims (13)
- A drain water sump (1) comprising a vessel (2) having an inner chamber (3) having at least one access opening (15) and at least one drain hole (25), and characterized by comprising a tank (30) inserted inside said chamber (3) to divide the chamber into a first and a second compartment (31, 32) communicating through an outflow opening (33).
- A sump as claimed in Claim 1, characterized in that the first compartment (31) is defined inside the tank (30), and the second compartment (32) is radially outer with respect to the first compartment (31).
- A sump as claimed in Claim 1 or 2, characterized in that the tank (30) is inserted radially inside the vessel (2) to define a substantially annular channel (35) between the tank (30) and the vessel (2).
- A sump as claimed in one of the foregoing Claims, characterized in that the access opening (15) is formed in a top wall (8) of the vessel (2), and the tank (30) is inserted through the access opening (15) and projects vertically inside the chamber (3).
- A sump as claimed in Claim 4, characterized in that the tank (30) comprises a substantially annular seating edge (40) which rests on a shoulder (18) formed on the top wall (8) of the vessel (2) and defining the access opening (15).
- A sump as claimed in any one of the foregoing Claims, characterized in that the outflow opening (33) is associated with a non-return valve (50) permitting fluid flow in one direction only, outwards of the tank (30).
- A sump as claimed in Claim 6, characterized in that the non-return valve (50) comprises a rocking shutter (51) cooperating with a fluidtight seat (48) formed in the outflow opening (33).
- A sump as claimed in Claim 7, characterized in that the outflow opening (33) is formed through a lateral wall (44) of the tank (30), and the shutter (51) comprises a flap (52) hinged at the top to the outside of the tank (30) and movable outwards of the tank (30).
- A sump as claimed in Claim 8, characterized in that the shutter (51) comprises a plug portion (56) insertable inside the outflow opening (33); and a radially outer portion (57) which rests on a peripheral edge (47) of the outflow opening (33).
- A sump as claimed in one of the foregoing Claims, characterized by comprising siphon means (59) connecting the second compartment (32) to the drain hole (25).
- A sump as claimed in one of the foregoing Claims, characterized by comprising a partition (7) inside the chamber (3) to define a third compartment (60) adjacent to the second compartment (32) and communicating with the second compartment (32) via an auxiliary hole (61) formed through the partition (7).
- A sump as claimed in the foregoing Claims, characterized in that the drain hole (25) and the auxiliary hole (61) are located at different heights to define a siphon (59).
- A sump as claimed in Claim 11 or 12, characterized in that the partition (7) comprises an inspection hole (63) closed by a removable plug (64).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001324A ITMI20031324A1 (en) | 2003-06-27 | 2003-06-27 | WASTE WATER COLLECTION COCKPIT. |
ITMI20031324 | 2003-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1491694A1 true EP1491694A1 (en) | 2004-12-29 |
EP1491694B1 EP1491694B1 (en) | 2015-08-12 |
Family
ID=30131320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04102959.6A Active EP1491694B1 (en) | 2003-06-27 | 2004-06-25 | Drain water sump |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1491694B1 (en) |
IT (1) | ITMI20031324A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011082970A1 (en) | 2010-01-08 | 2011-07-14 | Kelly, John | Gully arrangement |
CN102518200A (en) * | 2011-12-26 | 2012-06-27 | 上海市城市建设设计研究总院 | Slab culvert sewage intercepting well |
CN102587486A (en) * | 2012-03-27 | 2012-07-18 | 上海市城市建设设计研究总院 | Hidden-buried sewage interception facility inside river bank |
CN106592726A (en) * | 2016-12-08 | 2017-04-26 | 安卡精密机械(天津)股份有限公司 | Liquid leakage hopper for urinal |
CN107254908A (en) * | 2017-08-14 | 2017-10-17 | 湖北易木同层排水科技股份有限公司 | The zero drop flat floor drain of plate |
CN113832803A (en) * | 2021-10-12 | 2021-12-24 | 胡祥斌 | Garden road |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3124558A1 (en) * | 1981-06-23 | 1982-12-30 | Helmut 6101 Modautal Klenk | Gulley having an odour seal in the form of a removable water column |
EP0124888A2 (en) * | 1983-05-05 | 1984-11-14 | Passavant-Werke Ag | Removable siphon for horizontal floor drains |
US5826609A (en) * | 1997-04-11 | 1998-10-27 | Le-Ron Plastics Inc. | Sewer inspection chamber with back-flow prevention valve and method and apparatus for installing valve in sewer inspection chamber |
EP0979902A1 (en) * | 1998-08-11 | 2000-02-16 | Uli Lippuner | Well water collection chamber and sedimentation tank therefor |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3112141A1 (en) * | 1981-03-27 | 1982-10-07 | Fa. Helmuth Dallmer, 5760 Arnsberg | Inspection shaft for a sewer for buildings |
-
2003
- 2003-06-27 IT IT001324A patent/ITMI20031324A1/en unknown
-
2004
- 2004-06-25 EP EP04102959.6A patent/EP1491694B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3124558A1 (en) * | 1981-06-23 | 1982-12-30 | Helmut 6101 Modautal Klenk | Gulley having an odour seal in the form of a removable water column |
EP0124888A2 (en) * | 1983-05-05 | 1984-11-14 | Passavant-Werke Ag | Removable siphon for horizontal floor drains |
US5826609A (en) * | 1997-04-11 | 1998-10-27 | Le-Ron Plastics Inc. | Sewer inspection chamber with back-flow prevention valve and method and apparatus for installing valve in sewer inspection chamber |
EP0979902A1 (en) * | 1998-08-11 | 2000-02-16 | Uli Lippuner | Well water collection chamber and sedimentation tank therefor |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011082970A1 (en) | 2010-01-08 | 2011-07-14 | Kelly, John | Gully arrangement |
CN102518200A (en) * | 2011-12-26 | 2012-06-27 | 上海市城市建设设计研究总院 | Slab culvert sewage intercepting well |
CN102587486A (en) * | 2012-03-27 | 2012-07-18 | 上海市城市建设设计研究总院 | Hidden-buried sewage interception facility inside river bank |
CN106592726A (en) * | 2016-12-08 | 2017-04-26 | 安卡精密机械(天津)股份有限公司 | Liquid leakage hopper for urinal |
CN107254908A (en) * | 2017-08-14 | 2017-10-17 | 湖北易木同层排水科技股份有限公司 | The zero drop flat floor drain of plate |
CN113832803A (en) * | 2021-10-12 | 2021-12-24 | 胡祥斌 | Garden road |
CN113832803B (en) * | 2021-10-12 | 2022-12-27 | 胡祥斌 | Garden road |
Also Published As
Publication number | Publication date |
---|---|
ITMI20031324A1 (en) | 2004-12-28 |
ITMI20031324A0 (en) | 2003-06-27 |
EP1491694B1 (en) | 2015-08-12 |
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