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
  • E04D13/08—Down pipes; Special clamping means therefor
• • 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
  • E04D13/08—Down pipes; Special clamping means therefor
  • E04D2013/086—Filters
• • 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
  • E04D13/08—Down pipes; Special clamping means therefor
  • E04D2013/0866—Access opening for cleaning; Devices for avoiding cumulation of debris

Definitions

• the present invention relates to a device for placing in a substantially vertically directed pipe and intended for separating solid material particles out of a liquid flow running through the pipe, the device comprising a chamber of greater cross section than the pipe in which it is placed, and the chamber displaying an outlet aperture at a side portion, and an interiorly disposed grid which substantially fills out the through flow area of the chamber and which inclines downwards in such a manner that its lower portion connects to the lower region of the outlet aperture of the chamber.
• the device according to the present invention is primarily intended to separate leaves, barks, twigs and the like from a liquid flow in a downpipe which is connected to a rainwater system, whereby blocking of the system may be prevented.
• the present invention has for its object to obviate the problems inherent in prior art technology and to propose a device by means of which solid material particles may be led off in an extremely efficient manner from a pipe in which the device is fitted. This has been made possible by means of the device as disclosed by way of introduction, which is characterized by the combination of the following features:
• the grid is provided with a plurality of parallel ribs which are oriented in substantially the same direction as the direction of inclination of the grid;
• the ribs of the grid are disposed such that a considerable cavity area is created between the ribs;
• the grid displays a liquid tight portion in its upper region, which implies that a powerful liquid flow is generated in the plane of the grid, this assisting in flushing out the solid particles.
• Figs 1-3 show different embodiments of the device according to the present invention.
• Fig. 4 is a section through the device according to Fig. 1, fitted on a downpipe;
• Fig. 5 shows a grid according to the present invention, seen in the direction of the arrow P in Fig. 4.
• this Drawing shows a first embodiment of the device according to the invention.
• This embodiment 1 comprises a circular, upper pipe connection 2 and a circular, lower pipe connection 3.
• the pipe connections have been given generous length in order to ensure reliable and tight fit between connecting pipes.
• a chamber 4 is disposed between these pipe connections and displays a cross section which is larger than the cross section of the pipe or pipes in which the device is intended to be fitted.
• An aperture 5 is provided in one side portion of the chamber 4. In such instance, the aperture is intended to face out away from the building facade where the device is intended to be located.
• the lower portion of a grid 6 is secured in the side wall of the chamber at the lower region of the aperture 5. This grid is disposed in a direction which slopes downwards, whereby solid material particles will be able to slide along the grid and out through the aperture 5. As a result, the device according to the present invention will be self -cleaning.
• Fig. 2 shows a second embodiment 7 which is of the same type as the device shown in Fig. 1, but with the difference that the upper and lower pipe connections 8 and 9, respectively, are of rectangular cross section. Otherwise, both the devices according to Fig. 1 and 2 display a guard or hood 10, 11 placed over the grid.
• Fig. 3 shows a third embodiment 12 of the device according to the invention which displays an upwardly open chamber 13.
• this embodiment will be more economical to manufacture than the embodiments according to Figs. 1 and 2, since these embodiments display a chamber which is upwardly covered.
• Fig. 4 shows a section through the device according to Fig. 1, its upper pipe connection 2 being secured to a downpipe 14, while its lower pipe connection 3 is secured to a drainpipe 15 which is in communication with a rainwater sewerage system.
• the downpipe 14 is inserted in the upper pipe connection 2, while the pipe connection 3 is inserted in the top of the drainpipe 15.
• the upper region of the grid 6 rests against the wall of the chamber 4, while the lower region of the grid 6 is secured in the lower edge of the chamber aperture 5 by means of a snap connection device 16.
• the grid may readily be replaced.
• the snap connection 16 has a portion 17 which projects up a distance above the longitudinal plane of the grid. This portion 17 effectively prevents water from running out over the lower edge of the outlet aperture 5, which prevents water leaking out over the outside of the device according to the present invention.
• a major feature of the present invention is the design of the grid 6 which is shown in greater detail in Fig. 5.
• the grid displays a plurality of parallel ribs 21 which are oriented in the direction of inclination of the grid and are disposed in well adapted mutual spaced apart relationship.
• the ribs 21 are preferably of oval cross section, which facilitates passage of the water through the grid.
• the parallel longitudinal ribs 21 are united at suitable points by means of transverse ribs 22 which are disposed on the underside of the grid.
• the grid 6 In its upper region, the grid 6 displays a liquid-tight, closed portion 23 whose purpose is to create a powerful water flow in the plane of the grid at the upper region of the grid, this assisting in flushing out solid matter trapped by the grid, through the chamber aperture 5.
• the device according to the invention is primarily intended to be manufactured from a suitable, weatherproof plastic material, but may of course also be manufactured from other materials such as sheet metal.
• the grid in a sheet metal construction may be designed of round bar, pressed profile sheet, or plastic.
• the present invention is naturally not restricted to the above disclosed and illustrated embodiments, but may be modified without departing from the spirit and scope of the appended Claims.
• the upper and lower pipe connections may be in the form of mountable sections with varying pipe dimensions as desired.
• the chamber may be of two-part design, with a horizontal or oblique joint. In such instance, the parts may be assembled together by a simple snap action, or possibly by gluing.
• the chamber may be designed with a guard or hood over the grid, in the form of a lid which may be permanently fixed in place or be dismountable.

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Farming Of Fish And Shellfish (AREA)
• Sewage (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=20391868

Family Applications (1)

Country Status (4)

Families Citing this family (4)

Family Cites Families (2)

• 1993
  • 1993-11-24 SE SE9303895A patent/SE501869C2/sv not_active IP Right Cessation
• 1994
  • 1994-11-23 AU AU11259/95A patent/AU1125995A/en not_active Abandoned
  • 1994-11-23 EP EP95902372A patent/EP0730697A1/de not_active Withdrawn
  • 1994-11-23 WO PCT/SE1994/001118 patent/WO1995014832A1/en not_active Ceased

Non-Patent Citations (1)

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