US3815748A - Universal basin for use in a sewer system - Google Patents

Universal basin for use in a sewer system Download PDF

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Publication number
US3815748A
US3815748A US00292316A US29231672A US3815748A US 3815748 A US3815748 A US 3815748A US 00292316 A US00292316 A US 00292316A US 29231672 A US29231672 A US 29231672A US 3815748 A US3815748 A US 3815748A
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Prior art keywords
basin
inlet
chamber
outlet
universal
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Expired - Lifetime
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US00292316A
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English (en)
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J Johannessen
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
    • 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
    • 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
    • E03F5/021—Connection of sewer pipes to manhole shaft
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/105—Accessories, e.g. flow regulators or cleaning devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers

Definitions

  • PATENTEBJuu 1 1 m4 SHEET 6 0F 7 UNIVERSAL BASIN FOR USE IN A- SEWER SYSTEM v BACKGROUND OF THE INVENTION 7 which different types of grates and covers or combinations thereof can be mounted.
  • these devices since these devices must have a relatively small outlet dimension so as to produce a retarding effect on the outflow as the water rises in the basin, and they should preferably not be any obstruction to inspection and/or cleaningof the pipe system from the basin in case of emergency.
  • the basin according to the invention is characteristic thereby that the draining device is designed as a cover, consisting of a housing with end walls, of which the wall facing the basin has a submerged inlet opening, and that the wall facing the piping system is provided with a centrally located outlet opening, the said housing containing an outlet chamber, with a circular or helical sidewall, along which an inlet tube opens tangentially into the outlet chamber, fastening means being furthermore formed along the periphery of the housing for securing the cover to the outlet opening of the basin.
  • the combined cover and. drainingdevice is of a robust and reliable design, without moving parts, and water flowing into the outlet chamber when the water level in the basin rises, is caused to circulate in the chamber in such a manner that itworks as a centrifugal brake on the waterflow.
  • Thedraining device ensures for the'surface water (rain water) the necessary time of retardation in the universal basin for effectively removing impurities by straining, sedimentation and seperation simultaneously providingthe necessary minimum velocity of flow through the outlet to keep this self cleaning.
  • the outlet chamber is separated from an'inlet chamber by a partition, and.
  • chambers are in connection with each other through an inlet strainer (grate) and a bottom chamber which forms a trap, and which is in connection with the outlet chamber through a delivery tube the discharge end of which forms the inlet opening. to the outlet chamber.
  • inlet strainer grate
  • bottom chamber which forms a trap
  • delivery tube the discharge end of which forms the inlet opening.
  • the bottom of the universal basin is provided with a groove or a hinge parallel to theplane of the draining device, in which a protective cover with submerged openings is mounted so that it can be opened and so as to cover the draining device, simultaneously forming a sedimentationand clarification chamber in front of the draining device.
  • the protective cover which, for example, may be provided with a vertical partition located on its underside to prevent rotation of the liquid beneath the cover, may easily be swung aside when access to the sewer pipe is desired.
  • the draining device itself may easily be removed when, as is the casein one embodiment of the invention, it is mountedin a groove by means of a sealing and locking ring, which at its lower end on the side facing the basin has a bow attached by means of a strap.
  • a tool or, for example, a boat-hook By means of a tool or, for example, a boat-hook; the said bow may easily be grasped and the sealingring pulled off, by which the draining device may be removed;
  • draining device according to the invention may be mounted on spacers cast in the basin in the draining device, whereupon the outlet area is immediately substantially increased.
  • the universal basin may be provided with an emergency overflow which will function during very heavy rain falls and thereby reduce the quantity of water dammed up and the duration of damming up.
  • This overflow may consist of a vertical pipe with a combined basket and ball float attached to the top end of the pipe.
  • a preferred embodiment of the draining device according to the invention is characteristic thereby that such wall of the draining device housing as is facing the basin forms a protective cover with an inlet opening at its bottom edge that is submerged at lowest water level and with a vertical venting tube, the lower end of which opens into the upper part of the basin at a point close to the center of the end wall, whereas its upper end opens at the top of the inlet chamber.
  • the end wall facing the piping system is provided with a central outlet opening, communicating with a downwardly directed outlet tube where the outlet chamber forms a centrifugal brake with a circular or helical side wall and is in connection with the inlet chamber through a bottom chamber and an inlet tube, which together form a trap.
  • the outlet tube forms together with the inlet tube to the centrifugal brake a syphon system, in which the lower end of the inlet tube that projects into the bottom chamber is located at a level abovev the lower end of the outlet tube.
  • the draining device is provided with an outlet opening of maximum size and the protective cover on the inlet side forms at lowest occouring water level a sufficiently submerged inlet, so that a certain amount of oil or petrol can be separated off in the universal basin above the inlet.
  • the bottom chamber which is filled with water before its installation, functions as a trap at low water level in the basin. When the water in the basin at rising water level is blocking the bottom opening of the air venting tube, air will be trapped and pressurized in the upper part of the inlet chamber.
  • This pressure acts on the water level in the bottom chamber and forces the water up through the inlet tube until the water level in the bottom chamber has reached a level below the bottom edge of the inlet tube, whereupon the air will suddenly penetrate below the water column in the inlet tube and into the centrifugal brake formed by the outlet chamber.
  • the pressure drop in the inlet chamber causes a heavy water flow from the basin into this chamber and further into the bottom chamber and the outlet chamber where the water quickly rises to above the outlet opening so that air is trapped and pressurized in the upper part of the outlet chamber.
  • the outlet tube now functions as the outlet of a syphon.
  • an inwardly directed projection may according to the invention be provided on the side wall of the centrifugal brake, behind which the air may at the beginning be partly sheltered until the rotational velocity of the water is sufficient to hurl out the remaining air, whereby the full braking effect is established.
  • a strainer at such a distance from the wall of the draining device, that larger typical longitudinal solids are not able to turn and pass through the strainer.
  • the universal basin can be provided with an emergency overflow which, when the basin is almost filled, constitutes a bypass bypassing the draining device.
  • a simple embodiment of the draining device may be used in cases where the outlet opening has to be of a size sufficient to eliminate any major risk of clogging.
  • the said draining device consists of an undivided double conical housing with a number ofsubmerged inlets provided in the bottom part of one wall of the housing and opening into an internal inlet tube extending tan- 4 gentially to the housing, and with an external outlet tube directed downwardly from the outlet which is centrally provided in the other wall of the housing.
  • FIGS. 1 and 2 show vertical and horizontal sections of a universal basin with a draining device
  • FIG. 3 shows a vertical section of a gully and supplementing basin
  • FIG. 4 shows a vertical section of a gully for street and space drainage
  • FIG. 5 shows a vertical section of a gully for roof drainage
  • FIGS. 6-9 show on different scales a vertical sectio and plan the draining device shown in FIGS. '1 and 2,
  • FIG. 10 shows the outlet flow characteristic of the draining device according to the invention
  • FIGS. 11 and 12 show in front elevation and vertical section a draining device of simple embodiment
  • FIG. 13 shows a draining device'mounted in a larger cover.
  • the universal basin 1 shown in vertical and horizontal section in FIGS. 1 and 2 replaces a gully and/or a manhole, and is provided at places, where these are normally located.
  • the pipe lead-in or connection (2) may be provided, as shown in principle by the dotted lines.
  • the pipe lead-in or connection (2) is through a cleaning and inspection opening (3) in connection with the inside of the universal basin.
  • a groove (4) of reverse conical shape in relation to the directionof mounting may be cast or formed (for details see FIG. 6), in which the draining device (5) can be mounted by means of a sealing and locking ring (6).
  • a groove (7) in the bottom of the universal basin is provided with a protective cover (8) that can be opened.
  • the said cover has at either end an inlet opening (9), which is submerged at lowest water level, and a handle (10).
  • the protective cover divides the bottom of the universal basin into a sedimentation chamber (11) and a clarification chamber 12).
  • the basin may be provided with an emergency overflow in the form of a pipe (30) which at its upper end carries a combined basket and ball float (28) and at its lower end opens at the outside of the draining device (5).
  • FIG. 3 is a vertical section of a gully and supplementing basin used as a supplement to the volume of the universal basin in case the latter togetherwith the outlet is insufficient to drain the desired area.
  • the outlet leads to the universal basin.
  • FIGS. 4 and 5 show in vertical section a gully 'for street and space drainage and a gully for roof drainage bowl (14) forms in combination with an internal bowl (16) an outlet chamber, which constitutes a centrifugal brake provided with an outlet opening (15) which together with the centrifugal brake (16), an air stabilizer (17), an outlet tube (18) and the pressure head occurring in the universal basin at any time determines the flow velocity through the outlet as the basin is filled and drained.
  • the centrifugal brake 16) is in addition to the air stabilizer (17) provided with an inlet tube (19) which together with the outlet tube (18) constitutes a syphon.
  • the lower end of the inlet tube (19) opens into a bottom chamber (20) forming a trap with same.
  • the bottom chamber (20) as viewed from line VIII-VIII inFlG. 6.
  • the top of the bottom chamber wall is designed as an inlet strainer (21) which is located at such a distance from the wall of the centrifugal brake that larger typically longitudinal solids are unable to turn and pass through the inlet strainer whose inlet openings have a slightly smaller cross-section than the inlet tube (19), the outlet opening l5) and the outlet tube (18).
  • the bowl (13) which forms an inlet chamber is at its upper end provided with a venting opening (22), a venting tube (23) and two submerged inlet openings (24).
  • the embodiment disclosed the draining device (5) is secured in an integrally cast reverse conical groove (4) by a sealing and locking ring (6).
  • the said conical groove is at the side facing the pipe system provided with combined anchors and spacers (25), which when the sealing and locking ring (6) is removed ensure an outlet slit along the periphery of the draining device housing.
  • the sealing and locking ring (6) has at its lower end a removing ring (27) provided with a strap (26). When this ring is pulled upwards the sealing and locking ring (6) and thereupon the draining device (5) may be removed.
  • the universal basin and the draining device in which the bottom chamber (20) is filled with water prior to its installation operates as follows:
  • the rain water is flowing into the universal basin (1) it has normally, after passing a downpipe or a grate passed a strainer, in which the larger impurities are caught.
  • the water then flows into the sedimentation chamber 11) in which entrained sand and smaller impurities settle before the water flows through the submerged inlet openings (9) into the clarification chamber (12).
  • the remaining suspension of particles in the water are precipitated before they reach the inlet strainer (21) owing to the very quiet and slow water flow below the protective cover (8).
  • the slow water flow below the protective cover ensures together with the submerged inlet openings (24) and the small outlet that oil and petrol washed down by the rain water, have time to be separated from the water before the water reaches the piping system.
  • the inlet velocity through the inlet tube (19) will increase, causing the water level in the centrifugal brake to rise in the side at which the inlet is located, by which the water surface will adopt a position inclining towards the outlet opening. Conversely the water level at the other side of the chamber will fall slightly, so that a small portion of the trapped air may escape through the outlet opening.
  • the inlet velocity increases so that the water is caused to rotate along the periphery of the centrifugal brake, and the trapped air is hurled out as small bubbles, while the water starts rotating in front of the outlet opening and the centrifugal braking effect begins to operate.
  • a projection (17) is provided in the upper part of the centrifugal brake (16). This projection (17) serves as an air stabilizer as the air may be partly sheltered behind it until the pressure and consequently the rotational velocity of the water, increases so much that the remaining air is at last hurled out, thereby establishing full braking effect.
  • FIG. 10 shows the outlet flow characteristic for the draining device according to the invention, the outflowing water quantity in litres per second being indicated as a function of the pressure head in water column metres.
  • the quantity of outflowing water at a certain pressure head is indicated at point a, and the quantity will increase to point b at increasing pressure head, whereupon the centrifugal braking effect is established as the water in front of the outlet opening starts to rotate.
  • the rotational velocity of the water will increase and thereby cause an increased braking effect, so that the quantity outflowing per second in spite of increasing pressure head remains substantially constant until point e is reached.
  • point e is reached, all air in the centrifu gal brake (16) will be displaced, and full braking eiTect is established.
  • FIGS. 11 and 12 show a more simple embodiment of a draining device which may replace that shown in FIGS. 6-9 in cases where the outlet and consequently the outlet opening have to be of such size that it involves no appreciable risk of clogging under available conditions.
  • the said draining device is installed and dismantled in the same way as that shown in FIGS. 6-9. However, there is no trap to be filled with water before installation.
  • the draining device shown is constructed as a double conical housing, consisting of two bowls (13 and 14') facing each other and joined by means of a flange joint, and with their total volume functioning as a centrifugal brake.
  • the bowl (13') is at its bottom provided with a number of inlet openings (24') and an inlet tube (19).
  • the bowl (14') is provided with an outlet opening (15) and an outlet tube (18') which together with the bowl (13') at top is provided with a projection (17').
  • the draining device shown in FIGS. 11 and 12 and installed in a universal basin operates as follows: When the water level in the universal basin rises owing to inflowing water, the water flows through the inlet openings (24') into the inlet tube (19') which directs the water into the draining device along its internal periphery. When the water has reached the outlet opening (15') it flows into the pipe system through the outlet tube (18') which is filled by and by and will function as the outlet of a syphon. Accordingly, the trapped air above the outlet opening will be subjected to pressure and thereby prevent further rising of the water level between the bowls (13' and 14).
  • the outlet flow characteristic is equal to that shown in FIG. 10, except starting at zero.
  • the draining device may be installed in many ways differing from that shown in FIG. 6. For instance it may, as shown in FIG. 13, be mounted in a groove (4) surrounding an opening in a larger cover (31) covering a large inspection opening in the basin.
  • a tight and closed sewer piping system is provided, which for instance, in addition to water draining may be used to carry off smoke or fumes, for instance, through the pipe (2)in FIG. 2, connected to flues from boilers such as central heating boilers in residential buildings.
  • Universal basin for use in a sewer system, such as a manhole, gully, sedimentation basin, equalizing basin,
  • draining device mounted in said discharge opening for draining off an approximately constant amount of water through the discharge opening per unit of time
  • said draining device comprising a cover having spaced end walls and an annular well connecting said end walls defining a hollow housing, a first one of said end walls facing toward said basin having a submerged inlet opening formed therein, the other of said end walls having a centrally located outlet opening communicating with an outlet piping system, an outlet chamber being provided in said housing having a curved side wall portion, an inlet tube extending along said side wall portion and opening tangentially into said outlet chamber; and fastening means being formed along the periphery of said housing for securing said cover to the discharge opening of said basin.
  • Universal basin as claimed in claim 1, said housing having an inlet chamber, a partition separating said inlet chamber and said outlet chamber, an inlet strainer interconnecting said chambers, a bottom chamber forming a trap, and said inlet tube connecting said bottom chamber and said outlet chamber, said inlet tube having a discharge end forming the inlet opening to said outlet chamber.
  • Universal basin as claimed in claim 1 including a groove in the bottom of said basin in parallel with the plane of the draining device, a protective cover having submerged openings being mounted in said groove so as to cover the draining device while simultaneously forming a sedimentationand clarification chamber between said device and the protective cover.
  • Universal basin as claimed in claim 1 comprising a conical annular groove encompassing said discharge opening and tapering in relative to the direction of installation of said draining device in said openings, a sealing and locking ring engaged in a recess in said groove retaining said draining device in said opening; and a removal ring fastened to the lower end of said sealing and locking ring facing said basin adapted to facilitate removal of the latter from said groove.
  • Universal basin as claimed in claim 2 said end wall facing the basin forming a protective cover, said inlet opening in said end wall being at its bottom edge that is submergedat lowest water level, a vertical venting tube .at the basin side of said end wall, having bottom end thereof open to the basin at a point proximate the center of said end wall and the top end of said venting tube opening into the upper end of said inlet chamber, a downwardly directed outlet tube communicating with the centrally located outlet opening in said other end wall, said outlet chamber having a helical side wall and forming a centrifugal brake, said inlet chamber, bottom chamber and inlet tube together forming a trap, and said outlet tube and the inlet tube of the centrifugal brake forming a syphon system in which the lower end of the inlet tube projecting into the bottom chamber is located at a level above the bottom end of the outlet tube.
  • Universal basin as claimed in claim 6, comprising an air stabilizer in said outlet chamber forming said centrifugal brake, said air stabilizer being in the shape of a projection directed radially inwardly from the helical side wall.
  • Universal basin as claimed in claim 6, comprising an inlet strainer located between said inlet chamber and said bottom chamber.
  • Universal basin as claimed in claim 1 comprising an emergency overflow including a substantially vertical pipe in said basin, the upper end of said pipe opening proximate the top of the basin, and a combined basket and ball float supported on the upper end of, and said pipe, the lower end of the pipe opening on the side of the draining device remote from the basin.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
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US00292316A 1971-09-28 1972-09-26 Universal basin for use in a sewer system Expired - Lifetime US3815748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK470571AA DK135904B (da) 1971-09-28 1971-09-28 Aggregat til regulering af afløbet fra en brønd.

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US3815748A true US3815748A (en) 1974-06-11

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US00292316A Expired - Lifetime US3815748A (en) 1971-09-28 1972-09-26 Universal basin for use in a sewer system

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CA (1) CA994680A (enExample)
DE (1) DE2215556A1 (enExample)
DK (1) DK135904B (enExample)
GB (1) GB1407836A (enExample)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419232A (en) * 1981-10-01 1983-12-06 Arntyr Oscar Sven Filtering and collecting device for water drains
WO1988003201A1 (en) * 1986-10-23 1988-05-05 Mogens Christensen A device for water drains and a filter means for use with same
US5004534A (en) * 1988-05-16 1991-04-02 Vincenzo Buzzelli Catch basin
USD316594S (en) 1987-11-13 1991-04-30 Yuen David Y Shower drain hair-trap
US5284580A (en) * 1992-08-04 1994-02-08 Shyh Shyh Yuan Refuse collecting frame for sewer
US5643445A (en) * 1995-08-28 1997-07-01 Billias; Charles Removable storm water screen and overflow device
US5733445A (en) * 1996-07-25 1998-03-31 Fanelli; Anthony T. Storm sewer catch basin filter
US5759415A (en) * 1991-10-02 1998-06-02 Vortechnics, Inc. Method and apparatus for separating floating and non-floating particulate from rainwater drainage
US5904842A (en) * 1995-08-28 1999-05-18 Billias; Charles Removable storm water devices
US6082925A (en) * 1999-06-29 2000-07-04 Raasch; Jason J. Storm sewer overflow control device
US6086758A (en) * 1998-11-13 2000-07-11 Pactec, Inc. Storm drain liner
US6200484B1 (en) 2000-03-16 2001-03-13 Mcinnis Stephen J. Surface water filtration apparatus
US6337025B1 (en) 1998-08-03 2002-01-08 Environmental Filtration, Inc. Filter canister for use within a storm water sewer system
US6374858B1 (en) 1998-02-27 2002-04-23 Hydro International Plc Vortex valves
US6406216B1 (en) 2000-07-07 2002-06-18 Jason J. Raasch Storm sewer overflow control device
US20020113025A1 (en) * 2000-12-11 2002-08-22 Gauldin Patrick W. Filtration system for storm water catch basins
US6793811B1 (en) * 2002-04-10 2004-09-21 Charles R. Fleischmann Runoff drain filter with separately removable cartridges
GB2405157A (en) * 2003-08-22 2005-02-23 Hydro Int Plc Pre-fabricated vortex valve unit
WO2005093179A1 (en) * 2004-03-15 2005-10-06 Anders Persson Swirl chamber with movable non-return valve and air injector for prevention of sedimentation in storm water and waste water drains
US20060016767A1 (en) * 2004-07-23 2006-01-26 I.S.C. Environmental, Inc. Fluid filter system and related method
US20060075697A1 (en) * 2004-10-13 2006-04-13 Oates James H Floor tile debris interceptor and transition plenum in a nuclear power plant
US20080169228A1 (en) * 2007-01-12 2008-07-17 Gianni Ventura Filter assembly
US20090173699A1 (en) * 2008-01-08 2009-07-09 Todd Wacome Treating Runoff
US20090266767A1 (en) * 2008-04-23 2009-10-29 Cleanway Environmental Partners, Inc. Runoff Water Filtration Apparatus and System
US20110155672A1 (en) * 2009-12-30 2011-06-30 Mcinnis Stephen J Surface Water Filtration Device
CN104929233A (zh) * 2015-07-02 2015-09-23 朱建强 玻璃钢窨井安全滤芯
US10570604B2 (en) 2017-11-22 2020-02-25 Clean Way Services, Inc. Curb inlet catch basin apparatus and method
US10626592B2 (en) 2008-01-16 2020-04-21 Contech Engineered Solutions LLC Filter for removing sediment from water
US20220167609A1 (en) * 2020-12-02 2022-06-02 Denis Friezner Vector Control Screen For Stormwater Treatment Systems

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DE3233535A1 (de) * 1982-09-10 1984-03-15 Rolf 2000 Hamburg Stahn Verfahren und einrichtung zur abflussregelung durchstroemter behaelter
SE457121B (sv) * 1986-05-07 1988-11-28 Mosbaeck Handelsbolag I Helsin Floedesregulator

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US1005371A (en) * 1911-02-17 1911-10-10 Frank L Union Catch-basin.
US1079593A (en) * 1912-12-06 1913-11-25 John J Donovan Floor-drain trap.
US2796988A (en) * 1954-04-30 1957-06-25 Loffler Walther Valved catch basin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1005371A (en) * 1911-02-17 1911-10-10 Frank L Union Catch-basin.
US1079593A (en) * 1912-12-06 1913-11-25 John J Donovan Floor-drain trap.
US2796988A (en) * 1954-04-30 1957-06-25 Loffler Walther Valved catch basin

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419232A (en) * 1981-10-01 1983-12-06 Arntyr Oscar Sven Filtering and collecting device for water drains
WO1988003201A1 (en) * 1986-10-23 1988-05-05 Mogens Christensen A device for water drains and a filter means for use with same
USD316594S (en) 1987-11-13 1991-04-30 Yuen David Y Shower drain hair-trap
US5004534A (en) * 1988-05-16 1991-04-02 Vincenzo Buzzelli Catch basin
US5759415A (en) * 1991-10-02 1998-06-02 Vortechnics, Inc. Method and apparatus for separating floating and non-floating particulate from rainwater drainage
US5284580A (en) * 1992-08-04 1994-02-08 Shyh Shyh Yuan Refuse collecting frame for sewer
US5643445A (en) * 1995-08-28 1997-07-01 Billias; Charles Removable storm water screen and overflow device
US5904842A (en) * 1995-08-28 1999-05-18 Billias; Charles Removable storm water devices
US5733445A (en) * 1996-07-25 1998-03-31 Fanelli; Anthony T. Storm sewer catch basin filter
US6374858B1 (en) 1998-02-27 2002-04-23 Hydro International Plc Vortex valves
US6337025B1 (en) 1998-08-03 2002-01-08 Environmental Filtration, Inc. Filter canister for use within a storm water sewer system
US6086758A (en) * 1998-11-13 2000-07-11 Pactec, Inc. Storm drain liner
US6082925A (en) * 1999-06-29 2000-07-04 Raasch; Jason J. Storm sewer overflow control device
US6200484B1 (en) 2000-03-16 2001-03-13 Mcinnis Stephen J. Surface water filtration apparatus
US6406216B1 (en) 2000-07-07 2002-06-18 Jason J. Raasch Storm sewer overflow control device
US20020113025A1 (en) * 2000-12-11 2002-08-22 Gauldin Patrick W. Filtration system for storm water catch basins
US6793811B1 (en) * 2002-04-10 2004-09-21 Charles R. Fleischmann Runoff drain filter with separately removable cartridges
GB2405157B (en) * 2003-08-22 2007-03-21 Hydro Int Plc Pre-fabricated vortex valve unit
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Also Published As

Publication number Publication date
DE2215556A1 (de) 1973-04-05
DK135904C (enExample) 1977-12-05
GB1407836A (en) 1975-09-24
DK135904B (da) 1977-07-11
CA994680A (en) 1976-08-10

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