EP1319764B1 - Syphon operating sump pit structure for manholes and the like - Google Patents
Syphon operating sump pit structure for manholes and the like Download PDFInfo
- Publication number
- EP1319764B1 EP1319764B1 EP02425755A EP02425755A EP1319764B1 EP 1319764 B1 EP1319764 B1 EP 1319764B1 EP 02425755 A EP02425755 A EP 02425755A EP 02425755 A EP02425755 A EP 02425755A EP 1319764 B1 EP1319764 B1 EP 1319764B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vessel
- sump pit
- open bottom
- pit structure
- manhole
- 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 - Lifetime
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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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0405—Gullies for use in roads or pavements with an odour seal
-
- 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
Definitions
- the present invention refers to a syphon operating sump pit structure for manholes, for preventing outflows of foul odours and exhalations generated in a sewer underlying a manhole.
- United States patent n. 4,254,512 disclose a sump pit comprising a surface grid inserted in a road manhole frame; a first vessel, supported by said road manhole frame or located therebelow, having a top inlet juxtaposed to the port of the surface grid, an open bottom and solid walls which occlude, with the exception of the open bottom, the entire manhole section; and a second vessel located below the open bottom of the first vessel, having a closed bottom and a top edge located at a level above the open bottom.
- the vessels are positioned in such way so that the filling up of the second vessel with water or other liquid does not obstruct the flow path of further liquid, concomitantly stemming any exhalation underlying the structure.
- the object of the present invention consists in providing a sump pit allowing to obviate to the drawbacks mentioned with reference to the known art.
- a sump pit comprising two vessels inserted the one into the other, characterized in that the two vessels have the shape of a frustum of cone or of a frustum of pyramid, with the smaller base facing downward, and inserted the one into the other, so that the larger base of the first vessel be engaged at the road manhole frame or located therebelow; the smaller base of the first vessel correspond to the open bottom thereof; the larger base of the second vessel be delimited by said top edge; and the smaller base of the second vessel make a closed bottom.
- the main advantage of the sump pit structure according to the present invention lies in serving as syphon in an extremely effective and practical way, without negatively affecting the discharge functionality of the manhole.
- the structure is remarkably compact and installable on-site as a whole.
- the second vessel is supported by the first vessel by virtue of fixed or removable connecting members.
- a sump pit structure is housed, generally indicated by 4, the grid 3 and the frame 2 being integral thereto.
- Such sump pit structure 4 comprises a first vessel 5, supported by said road manhole frame 2, which has a top inlet 6 juxtaposed to the port of the surface grid 3, an open bottom 7 and downward-converging solid walls 8 which occlude, with the exception of the open bottom 7, the entire section of the manhole 1.
- the first vessel 5 has a square frustum of pyramid shape, with the smaller base thereof facing downward, so that the larger base thereof be engaged at the road manhole frame 2 or located therebelow, and the smaller base thereof correspond to the open bottom 7 thereof.
- Such sump pit structure 4 comprises a second vessel 9 located below the open bottom 7 of the first vessel 5, which has a closed bottom 10 and a top edge 11 located at a level above the open bottom 7 of the first vessel 5 and delimiting another open inlet.
- the second vessel 9 has a square frustum of pyramid shape, with the smaller base thereof facing downward. Moreover, the larger base thereof is delimited by said top edge 11 and the smaller base thereof makes the closed bottom 10.
- the open bottom 7 of the first vessel 5 lies below the level of the top edge 11 of the second vessel, so that the filling up of the second vessel 9 with water or other liquid does not obstruct the flow path of further liquid, concomitantly stemming any exhalation underlying the structure 4.
- the two frustum-of-pyramid-shaped vessels are both located with their smaller base facing downward and are inserted the one into the other.
- the second vessel 9 is supported by the first vessel 5 by virtue of removable connecting members comprising blind threaded insertion holes 12 formed in the first vessel 5, and screws 13 engaging in openings 14 located in the second vessel 9 at the holes 12 of the first vessel 5 ( Figures 1 and 2).
- Said holes 12 may also be of a non-threaded type, having a different fastening system.
- the liquid contained in the second vessel 9 not only stems, by syphon effect, the underlying exhalations, but also prevents inletting of waste, like paper, packagings, leaves and the like, below the structure. Such waste will remain floating on the free surface of the liquid contained in the second vessel 9.
- Both vessels will be made of a suitable corrosion protection material, resistant to water and to atmospheric agents, as well as to other chemical aggressions.
- the connecting screws 13 could be made of an analogous material, e.g. stainless steel.
- the openings 14 could comprise sleeves 15 receiving the respective screws 13 and fitting the holes 12.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
- External Artificial Organs (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
- The present invention refers to a syphon operating sump pit structure for manholes, for preventing outflows of foul odours and exhalations generated in a sewer underlying a manhole.
- Known-art sump pits lack the functionality required by the context, and their use proved less than satisfactory.
- For example, United States patent n. 4,254,512 disclose a sump pit comprising a surface grid inserted in a road manhole frame; a first vessel, supported by said road manhole frame or located therebelow, having a top inlet juxtaposed to the port of the surface grid, an open bottom and solid walls which occlude, with the exception of the open bottom, the entire manhole section; and a second vessel located below the open bottom of the first vessel, having a closed bottom and a top edge located at a level above the open bottom.
- The vessels are positioned in such way so that the filling up of the second vessel with water or other liquid does not obstruct the flow path of further liquid, concomitantly stemming any exhalation underlying the structure.
- It is understood that usually such exhalations are found at a substantially atmospheric pressure, hence unable to cross the syphon determined by the combination of the two vessels by virtue of the pressure gradient, however minimal, determined by the level difference between the open bottom of the first vessel and the top edge of the second vessel. Although limiting the exhalations, such known-art sump pit are not enough functional and practical in their design.
- Therefore, the object of the present invention consists in providing a sump pit allowing to obviate to the drawbacks mentioned with reference to the known art.
- This object is achieved by a sump pit, comprising two vessels inserted the one into the other, characterized in that the two vessels have the shape of a frustum of cone or of a frustum of pyramid, with the smaller base facing downward, and inserted the one into the other, so that the larger base of the first vessel be engaged at the road manhole frame or located therebelow; the smaller base of the first vessel correspond to the open bottom thereof; the larger base of the second vessel be delimited by said top edge; and the smaller base of the second vessel make a closed bottom.
- The main advantage of the sump pit structure according to the present invention lies in serving as syphon in an extremely effective and practical way, without negatively affecting the discharge functionality of the manhole.
- Moreover, the structure is remarkably compact and installable on-site as a whole.
- Advantageously, in the structure of the present invention, the second vessel is supported by the first vessel by virtue of fixed or removable connecting members.
- The present invention will hereinafter be described according to a preferred embodiment thereof, given by way of a non-limiting example and with reference to the annexed drawings, wherein:
- * Figures 1 and 2 are perspective views illustrating a detail of the sump pit structure according to the present invention, in a disassembled and assembled configuration, respectively; and
- * Figure 3 is a cross sectional view of a manhole comprising a sump pit structure according to the present invention.
- Inside the manhole a sump pit structure is housed, generally indicated by 4, the grid 3 and the
frame 2 being integral thereto. - Such sump pit structure 4 comprises a
first vessel 5, supported by saidroad manhole frame 2, which has a top inlet 6 juxtaposed to the port of the surface grid 3, an open bottom 7 and downward-convergingsolid walls 8 which occlude, with the exception of the open bottom 7, the entire section of the manhole 1. - In particular, in the present embodiment the
first vessel 5 has a square frustum of pyramid shape, with the smaller base thereof facing downward, so that the larger base thereof be engaged at theroad manhole frame 2 or located therebelow, and the smaller base thereof correspond to the open bottom 7 thereof. - Such sump pit structure 4 comprises a
second vessel 9 located below the open bottom 7 of thefirst vessel 5, which has a closedbottom 10 and atop edge 11 located at a level above the open bottom 7 of thefirst vessel 5 and delimiting another open inlet. - In the present embodiment, the
second vessel 9 has a square frustum of pyramid shape, with the smaller base thereof facing downward. Moreover, the larger base thereof is delimited by saidtop edge 11 and the smaller base thereof makes the closedbottom 10. - With reference to the reciprocal location of the two
vessels first vessel 5 lies below the level of thetop edge 11 of the second vessel, so that the filling up of thesecond vessel 9 with water or other liquid does not obstruct the flow path of further liquid, concomitantly stemming any exhalation underlying the structure 4. - I.e., the two frustum-of-pyramid-shaped vessels are both located with their smaller base facing downward and are inserted the one into the other.
- Such exhalations are usually found at substantially atmospheric pressure, hence unable to cross the syphon determined by the combination of the two
vessels first vessel 5 and thetop edge 11 of thesecond vessel 9. - The
second vessel 9 is supported by thefirst vessel 5 by virtue of removable connecting members comprising blind threadedinsertion holes 12 formed in thefirst vessel 5, andscrews 13 engaging inopenings 14 located in thesecond vessel 9 at theholes 12 of the first vessel 5 (Figures 1 and 2). Saidholes 12 may also be of a non-threaded type, having a different fastening system. - Remarkably, the liquid contained in the
second vessel 9 not only stems, by syphon effect, the underlying exhalations, but also prevents inletting of waste, like paper, packagings, leaves and the like, below the structure. Such waste will remain floating on the free surface of the liquid contained in thesecond vessel 9. - Both vessels will be made of a suitable corrosion protection material, resistant to water and to atmospheric agents, as well as to other chemical aggressions.
- The connecting
screws 13 could be made of an analogous material, e.g. stainless steel. Theopenings 14 could comprisesleeves 15 receiving therespective screws 13 and fitting theholes 12. - It is understood that other than removable the connections between the vessels could also be fixed.
- To the abovedescribed sump pit structure a person skilled in the art, in order to satisfy further and contingent needs, may effect several further modifications and variants, all however encompassed by the protective scope of the present invention, as defined by the appended claims.
Claims (5)
- A syphon operating sump pit structure (4), for preventing outflows of foul odours and exhalations generated in a sewer underlying a manhole, having:* a surface grid (3) insertable in a road manhole frame (2);* a first vessel (5), supportable by said road manhole frame (2) or locatable therebelow, having a top inlet (6) juxtaposed to the port of the surface grid (3), an open bottom (7) and solid walls (8) which occlude, with the exception of the open bottom (7), the entire manhole section; and* a second vessel (9) located below the open bottom (7) of the first vessel (5), having a closed bottom (10) and a top edge (11) located at a level above the open bottom (7),so that in use, the filling up of the second vessel (9) with water or other liquid does not obstruct the flow path of further liquid, concomitantly stemming any exhalation underlying the sump pit structure (4),
characterized in that said vessels (5, 9) have the shape of a frustum of cone or a of frustum of pyramid, with the smaller base facing downward and inserted the one into the other, so that the larger base of the first vessel (5) can be engaged at the road manhole frame (2) or located therebelow; the smaller base of the first vessel (5) correspond to the open bottom (7) thereof; the larger base of the second vessel (9) be delimited by said top edge (11); and the smaller base of the second vessel (9) make a closed bottom (10). - The sump pit structure (4) according to claim 1, wherein the second vessel (9) is supported by the first vessel (5) by virtue of fixed or removable connecting members.
- The sump pit structure (4) according to claim 2, wherein the second vessel (9) is supported by the first vessel (5) by virtue of the removable connecting members comprising blind threaded or non-threaded insertion holes (12), formed in the first vessel (5), and screws (13) engaging in openings (14) located in the second vessel (9) at the holes (12) of the first vessel (5).
- The sump pit structure (4) according to claim 1, wherein both vessels are made of a suitable corrosion protection material, resistant to water and to atmospheric agents, as well as to other chemical aggressions.
- The sump pit structure (4) according to claim 3, wherein the connecting screws (13) are made of stainless steel and the openings (14) comprise sleeves (15) receiving the respective screws (13) and fitting the holes (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM20010224U | 2001-12-10 | ||
IT2001RM000224U ITRM20010224U1 (en) | 2001-12-10 | 2001-12-10 | COCKPIT STRUCTURE FOR TOMBINI AND SIMILAR, OPERATING IN A SIPHON. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1319764A2 EP1319764A2 (en) | 2003-06-18 |
EP1319764A3 EP1319764A3 (en) | 2004-03-17 |
EP1319764B1 true EP1319764B1 (en) | 2007-05-02 |
Family
ID=11455496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02425755A Expired - Lifetime EP1319764B1 (en) | 2001-12-10 | 2002-12-09 | Syphon operating sump pit structure for manholes and the like |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1319764B1 (en) |
AT (1) | ATE361399T1 (en) |
DE (1) | DE60219875T2 (en) |
ES (1) | ES2286220T3 (en) |
IT (1) | ITRM20010224U1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1016554A6 (en) * | 2005-03-18 | 2007-01-09 | Camerman Etienne | Floor buffer with integrated system drainage. |
DE202013011915U1 (en) * | 2012-05-04 | 2014-10-07 | ENREGIS GmbH | Storm water treatment device |
TWM514486U (en) * | 2015-09-07 | 2015-12-21 | Shuci-Tian Sie | Structure of drainage head |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE409589C (en) * | 1977-12-22 | 1984-04-09 | Soederstroem Gert | SEAL |
DE29906845U1 (en) * | 1999-04-22 | 1999-06-24 | Wedi, Stephan, 48282 Emsdetten | Drainage system for wet cells |
US6319397B1 (en) * | 2000-07-20 | 2001-11-20 | Shu-Yin Sun | Draining device adapted to be disposed within a drain port |
-
2001
- 2001-12-10 IT IT2001RM000224U patent/ITRM20010224U1/en unknown
-
2002
- 2002-12-09 ES ES02425755T patent/ES2286220T3/en not_active Expired - Lifetime
- 2002-12-09 EP EP02425755A patent/EP1319764B1/en not_active Expired - Lifetime
- 2002-12-09 DE DE60219875T patent/DE60219875T2/en not_active Expired - Lifetime
- 2002-12-09 AT AT02425755T patent/ATE361399T1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
EP1319764A2 (en) | 2003-06-18 |
DE60219875T2 (en) | 2007-12-20 |
ITRM20010224U1 (en) | 2003-06-10 |
ES2286220T3 (en) | 2007-12-01 |
EP1319764A3 (en) | 2004-03-17 |
ATE361399T1 (en) | 2007-05-15 |
ITRM20010224V0 (en) | 2001-12-10 |
DE60219875D1 (en) | 2007-06-14 |
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