EP0931198B1 - Strahlregler - Google Patents

Strahlregler Download PDF

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Publication number
EP0931198B1
EP0931198B1 EP97910434A EP97910434A EP0931198B1 EP 0931198 B1 EP0931198 B1 EP 0931198B1 EP 97910434 A EP97910434 A EP 97910434A EP 97910434 A EP97910434 A EP 97910434A EP 0931198 B1 EP0931198 B1 EP 0931198B1
Authority
EP
European Patent Office
Prior art keywords
jet
flow
pins
perforated plate
controller according
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
Application number
EP97910434A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0931198A1 (de
Inventor
Hermann Grether
Christoph Weis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neoperl GmbH
Original Assignee
Dieter Wildfang GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Dieter Wildfang GmbH filed Critical Dieter Wildfang GmbH
Publication of EP0931198A1 publication Critical patent/EP0931198A1/de
Application granted granted Critical
Publication of EP0931198B1 publication Critical patent/EP0931198B1/de
Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084—Jet regulators with aerating means
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices

Definitions

  • the invention relates to a jet regulator with a jet splitting device as well as with a distance in the direction of flow downstream and the outlet end of the Jet regulator forming jet regulator, the has a perforated plate on the outlet side, which at least in at least one portion of it designed as a perforated field several plate plane oriented transversely to the flow direction Has flow holes, their adjacent flow holes separating and approximately in the direction of flow extending guide walls each have a wall thickness have a fraction of the clear hole diameter a flow hole delimited by the guide walls is, the beam splitting device and the beam regulating device in a jet regulator housing of the jet regulator are arranged.
  • a jet regulator is already known from EP 0 721 031 A1 known type mentioned in his jet regulator housing a beam splitter and a spaced apart and the outlet-side end face of the jet regulator Has jet regulating device. While the upstream Beam splitting device is formed by a disc that one oriented in the radial direction to the flow openings has labyrinthine flow, is the downstream Beam regulating device designed as a perforated plate, the one Has a plurality of flow holes.
  • the jet regulator previously known from EP 0 721 031 A1 has the disadvantage that its serving as a jet regulating device Perforated plate, which in the jet cutting device isolated water jets after aerating in the jet regulator to form a homogeneous soft water jet, is comparatively thick.
  • a thick one Perforated plate not only complicates the manufacture of such Jet regulator when demoulding the injection molded part Perforated plate and the design of this jet regulator in standardized dimensions; rather it forms such a thickness Perforated plate also has a long path from which the water jets predominantly flow out as single jets.
  • a jet regulator is already known from DE 30 00 799 C2, the one in its jet regulator housing is designed as a perforated plate Has beam splitting device.
  • This beam splitter is a jet regulator on the outlet side subordinate.
  • the inflowing water is in the jet separation device divided into individual water jets, which in the jet regulating device again to a homogeneous, sparkling-soft Water jet are bundled.
  • the jet regulating device of the known jet regulator from several, slightly spaced wire screens formed that have a different mesh size and their sieve openings serve as flow holes.
  • a jet regulator is already known from US Pat. No. 2,744,738 A, which is a pot-shaped jet cutting device with several has circumferential or frontal flow holes.
  • the jet cutting device is a jet regulating device in the direction of flow at a distance, consisting of at least one, there is a star-shaped corrugated metal sleeve, the Sleeve opening is oriented in the direction of flow.
  • Downtown An outer metal sleeve can also be an inner one Metal sleeve can be arranged, which is also a star-shaped has a corrugated cross section.
  • the one in the water tap for Jet regulator flowing water jet is in the jet splitting device divided into several individual beams, which then in the between the outer mouthpiece and the metal sleeves formed guide channels mixed with the inflowing air become.
  • a mixer tap is already known from GB 2 104 625 A, where the hot water pipe and the cold water pipe in one common mouthpiece ends.
  • the mouthpiece has several Flow holes on, essentially on circular paths are arranged and each a segment of a circle Cross section. While on the inner circular path arranged flow holes, for example the hot water pipe are assigned flows through on the outer circular path arranged flow holes the cold water.
  • By the separate Cold water and hot water flow to the mouthpiece are also undesirable cross flows avoided in the event of fluctuations in water pressure.
  • the creation of a sparkling, soft water jet in the also comparatively high mouthpiece of the previously known In contrast, mixer tap is not easily possible.
  • a jet regulator is already known from EP 0 496 033 A, whose jet splitting device consists of two, in the direction of flow spaced apart perforated plates.
  • the outlet side The face of this known jet regulator also form here - Similar to DE 30 00 799 C2 - three - mentioned at the beginning Jet regulating screens that serve as jet regulating devices.
  • the already high one with the installation of the jet regulating screens Manufacturing effort is due to the assembly and alignment the jet cutting device consisting of two perforated plates increased even further.
  • the jet regulator known from EP 0 496 033 A has one Attachment sieve, as in a similar form from DE 43 33 549 A is known.
  • Such front screens only serve as Protective sieves around the flow openings in the jet separation device and the jet regulating device in the direction of flow subsequent jet regulator before clogging To protect dirt particles.
  • the jet regulators mentioned are not such attachment screens beam-shaping functions assigned.
  • the inventive solution to this problem consists in the Jet regulators of the type mentioned at the outset, in particular in that the ratio h: D between the height h of the guide walls and the overall diameter D of the jet regulating device is smaller 3:21, and that at the flow exit end of the jet regulator housing a constriction of the housing behind the jet regulating device is provided for beam bundling.
  • the water flowing to the jet regulator according to the invention becomes divided into individual beams in its beam splitting device, which then, if necessary after air mixing, in the jet regulating device to a homogeneous soft Total beam can be summarized.
  • This jet regulator of the jet regulator according to the invention has on the outlet side a perforated plate, at least in one as a perforated field trained portion of their plate level several flow holes Has. While usual jet regulating screens incoming individual beams at most over the thickness of their Can lead wire diameter, have the flow holes in the jet regulating device of the jet regulator according to the invention with its guide walls, on the other hand, a greater longitudinal extension, so that due to it the individual water jets the longer-lasting adhesive forces are easier to shape.
  • the perforated plate is also dimensioned so that the ratio h: D between the height H of the guide walls and the overall diameter D of the jet regulating device is smaller 3:21, the perforated plate is so thin and are the guide walls designed so short that the formation of a pearl soft Total beam is promoted.
  • the good merging of the individual rays and the bundling of these individual rays this creates a closed cylindrical total jet favors that at the flow exit end of the jet regulator housing a constriction of the housing behind the jet regulating device is provided for beam bundling.
  • the perforated plate of this jet regulating device for example as an injection molded or extruded part made of plastic or manufacture any other suitable material inexpensively. Due to its homogeneous structure, the perforated plate of the invention tends Jet regulator less for calcification or soiling through the ingredients carried in the water, which makes the Functional reliability of the jet regulator according to the invention is significantly favored.
  • the perforated plate Around the water flow on the largest possible wall surface the guide walls provided in the perforated plate optimal To be able to shape, it is useful if the perforated plate has as many flow openings as possible.
  • the flow holes the perforated plate a round, rounded, segment-like or have an angular flow cross-section.
  • a preferred further development according to the invention of its own of protection importance provides that the flow holes a hexagonal one at least in the central area of the perforated plate Flow cross-section and that the perforated plate preferably essentially over their entire plate level as particular honeycomb-like perforated field is formed.
  • Such, from hexagonal flow holes formed like a honeycomb cell Perforated plate is particularly good at shaping the water jet, without a disturbing flow resistance at the same time to oppose.
  • the perforated plate in an outer Ring zone has circular segment-shaped flow holes, these outer ring zone a honeycomb-like perforated field bounded by hexagonal flow holes.
  • the perforated plate of a jet regulator according to the invention can be used by anyone usual jet cutting system can be connected.
  • the jet regulating device one or more jet regulating screens Jet regulating sieves has which of the perforated plate upstream are connected upstream.
  • Jet regulator can not only be the result of beam shaping improved, but also the number of needed Jet regulating screens are reduced, which is the manufacture of a such jet regulator significantly simplified.
  • the perforated plate is an integral part of a jet regulator housing and if the perforated plate is added preferably connected in one piece to the jet regulator housing is.
  • the perforated plate in which the perforated plate is provided which has a positioning opening on the one element of the jet regulator, into which one is provided on the other element Positioning projection can be used.
  • the two Installation parts can be arranged practically coaxially with each other. It can be advantageous if at least one spacer at the same time as a positioning projection or as an ejector point or is provided as an ejector molding.
  • the positioning opening can have an out-of-round cross-section to which the positioning projection is form-matched.
  • a particularly advantageous embodiment according to the invention provides that the jet regulating device transversely to the flow direction has extending webs or pins, which the Perforated plate are upstream of the jet regulating device.
  • the individual jets flowing out of the jet splitting device can between those running transversely to the flow direction Bridges or pins are effectively slowed down to them then downstream in the flow direction Bundle the perforated plate into a soft, homogeneous overall jet.
  • the webs, which run transversely to the flow direction tend or pins of the jet regulating device less to one Calcification, as is the case with conventional jet regulating screens especially at the crossing points of the grid structure of the individual sieves are created.
  • a jet regulator with air intake particularly good and effective jet regulation achieve when in particular arranged parallel to each other Pins preferably rust-like in at least one across Flow-oriented plane arranged side by side are and if in particular several pin positions in each other spaced planes one above the other in the flow direction are arranged. While doing that the beam splitter facing pin positions the generated by the jet cutting plate
  • the pins can tear open individual jets for air mixing spaced apart in a downstream pin position be that a functionally impaired calcification avoided and possibly one that closes the aerator Can form water layer, with which the calcification also preventing on the upstream pin positions Can achieve air exclusion.
  • a preferred embodiment which is characterized by a special distinguishes effective beam guidance and beam pre-regulation, provides that at least two adjacent pin layers crossways have laterally offset pins to the flow direction and that the pins of a downstream pin position in by the pins of an upstream pin layer formed flow path are arranged. Doing so controlled and even jet regulation favors, if the distance between adjacent pins is the same as a pin position is.
  • the distance from the inflow side arranged, adjacent pin positions is smaller than that Distance from neighboring pin positions arranged downstream and if the pin position on the outlet side has pins a center distance to each other and to pins of the neighboring Pin position of preferably more than 0.8 mm.
  • the pens are one rounded or the like aerodynamic cross-sectional profile have and preferably a circular or one with their longer cross-sectional extent in the flow direction oriented, oval, teardrop-shaped or the like elongated Have cross-sectional profile.
  • a particularly effective beam pre-regulation can be reach if the perforated plate of the jet regulator several pin positions, preferably three pin positions, connected upstream are.
  • the passage openings in the Jet separating plate conically narrowing in the direction of flow are formed and preferably an inlet radius on the inflow side or have an inlet cone. Through this inlet radius or inlet cone becomes an undesirable stall counteracted.
  • the conically narrowing design of the Passages in the jet disassembly plate favor one clear sharp water jet, its speed in the range the rows of pens is reduced and which goes particularly well with Allows air to accumulate.
  • An effective and compact design of the jet regulating device is favored when the pens of inflow side first pin position approximately in the direction of escape to the Hole axes of the passage openings in the jet cutting plate are arranged.
  • the jet regulators 10, 20, 30 shown in FIGS. 40, 70 and 80 have a jet regulating device 1 which has a perforated plate 2 on the outlet side.
  • the perforated plate 2 is each essentially over the entire, transverse to the direction of flow oriented plate level formed like a honeycomb cell.
  • the honeycomb cell structure that used in the jet regulators 10 to 80 Perforated plate 2 formed by a plurality of flow holes 3, their adjacent and approximately in the direction of flow extending guide walls 4 each have a wall thickness s have a fraction of the clear hole diameter w of a flow hole delimited by the guide walls 4 3 is.
  • the outlet side of the Flow regulators 10 to 80 each essentially by the Perforated plate 2 formed.
  • the guide walls 4 are on their Inflow side with sharp edges; on the downstream side are the guide walls rounded or chamfered to a Favor merging of water jets.
  • the ratio h: D between the height h of the guide walls and the total diameter D (cf. FIG. 1b) of the jet regulating devices 10, 20, 30, 40, 70 and 80 is less than 1.
  • a ratio h: D becomes smaller 3:21, preferably in the range 1.5: 15 to 2:21.
  • the flow holes 3 of the Perforated plates 2 have a clear hole diameter or a corner dimension w from 0.5 mm to 2.5 mm.
  • the Guide walls 4 of the jet regulator 10 to shown here 80 each have a wall thickness s of approximately 0.25 mm the flow holes have a clear hole diameter w of about 1.25 mm. This hole diameter is dimensioned so that the the dirt holes carried in the water the flow holes 3 do not happen and the function of the jet regulating device 1 can affect.
  • the flow holes 3 can be a round, rounded (for example elliptical), segment-like or angular Have hole cross-section.
  • An embodiment is preferred where the hole cross sections of the flow holes - as here - are hexagonal, the sides of each other adjacent flow holes arranged approximately parallel to each other are.
  • Flow holes 3 have due to the guide walls delimiting them 4 such a longitudinal extent, which the individual Water jets due to the longer acting adhesive forces better shape. Since the flow holes 3 at the same time are separated from each other only by the thin guide walls 4 and accordingly close to each other, they unite Single jets after passing through the jet regulating device 1 into a homogeneous, sparkling-soft, non-splashing full Water jet.
  • the perforated plate 2 of the jet regulating devices can thereby be used 1 for example as an injection molded or extruded part Plastic or any other suitable material inexpensively produce. While according to the jet regulators 10, 30 and 80 1, 3 and 6, the perforated plate 2 in one piece with the Jet regulator housing 5 is connected and its outlet side Forms the end face, is the case with the jet regulators 20, 40 and 70 2, 4 and 5, the perforated plate 2 as a separate Installation part used in the jet regulator housing 5. On the inside for this purpose, the housing jacket of the jet regulator housing 5 is a Ring flange 6 provided support on which the Perforated plate 2 from the upstream housing opening is attachable. To handle such a separate To facilitate perforated plate, it is advantageous if the Perforated plate 2 an unperforated outer and serving as a holding area Ring zone.
  • the simple manufacture of the perforated plate 2 is made even easier, if the perforated plate 2 in the area of its honeycomb cell Hole field several - not shown here - ejector points or ejector formations, which preferably circular and especially at equal distances from each other are arranged.
  • a spacer 7th is provided, which is the distance between the perforated plate 2 and the element adjacent to the direction of flow backs up. Because the upstream elements kept at a defined distance by further spacers and there the first element on the inflow side at the edge of the mouth the outlet fitting, not shown here, can the elements used in the jet regulator housing 5 including the perforated plate 2 in the jet regulators 20, 40 and 70 not inadvertently counter to the direction of flow be pressed at the top.
  • perforated plate 2 secures the perforated plate 2 used as a separate installation part corresponding jet regulators 20, 40 and 70 against unauthorized persons Manipulations.
  • Fig. 5 it is shown that the on the perforated plate 1st provided three ejector formations simultaneously as Serve spacers 7. These ejector formations, of which 5 only two can be seen are on a circular path evenly spaced from each other on the inflow side of the Perforated plate 2 arranged.
  • the perforated plate 2 of the in Fig. 5th The jet regulator 70 shown can also be made in one piece if required be molded onto the jet regulator housing 5.
  • the jet regulator shown in FIGS. 1, 2, 3, 4, 5 and 6 10, 20, 30, 40, 70 and 80 each have a beam splitting device 9 on which the incoming water in a variety divides individual water jets. These individual jets of water are then, after having the over the housing openings 11 penetrating air were mixed in the downstream jet regulating device 1 a pearly-soft, homogeneous overall jet.
  • the jet regulators 10 to 40 shown in FIGS. 1 to 6 as well as 70 and 80 are provided with air admixture.
  • the Perforated plate 2 of the jet regulating device 1 is also, however in such jet regulators and the like sanitary outlet devices can be used advantageously without air admixture to have.
  • the jet splitting device 9 designed as a baffle system, the has a cylindrical recess 13 on the inflow side.
  • This cylindrical recess 13 is in an axial Direction extending ring wall 14, which is star-shaped arranged and open through-openings 15 Has. These through openings 15 open into an outer Ring zone area 16 through which the water jets to the jet regulating device 1 can flow.
  • the jet regulator 80 according to FIG. 6 has a baffle-free perforated plate system designed beam splitting device 9. While for the beam splitter according to Fig. 5 shows an effective tearing of the water flow the jet cutting device is characteristic 6 by a standard-compliant low noise out.
  • the jet splitting device 9 of the jet regulator 80 according to FIG. 6 has a jet disassembly plate 17 designed as a perforated plate, in the plate plane arranged transversely to the direction of flow a large number of evenly distributed and round through openings 18 are provided.
  • the perforated plate 2 of the jet regulating device 1 preferably a plurality of jet regulating screens 19 are connected upstream.
  • the jet regulating device 1 the jet regulator 30 and 40 according to FIGS. 3 and 4 two of each other and jet regulating screens 19 spaced from the perforated plate 2 on that a pre-regulation and an even division of individual rays.
  • the jet regulator 80 provides one preferred embodiment.
  • the jet regulating device 1 pins 21 running transversely to the flow direction or webs, which the perforated plate 2 of the jet regulating device 1 are connected upstream. These are parallel to each other Arranged pins 21 are rusty in three, transverse to Flow-oriented levels arranged side by side.
  • the pins 21 of the three pin layers are transverse to the direction of flow laterally offset, the pins 21 of the each downstream pin position in the by the Pins 21 of an upstream adjacent pin layer are formed Flow path are arranged. The distance is closer Pins 21 a pin position about the same.
  • the pins 21 have a rounded, streamlined Cross-sectional profile, with the pins 21 of the top two Pin positions have an elongated cross-sectional profile.
  • the pins 21 are the upstream first pin position in the direction of escape to the hole axes of the openings provided in the jet disassembly plate 18 arranged.
  • the passage openings 18 in the jet disassembly plate 17 are conically narrowing in the flow direction trained and have an inlet radius or Inlet cone on. They can also be used for pre-regulation serving pins 21 with the jet regulator housing 5 in one piece connected and also be made of plastic.
  • the jet regulator 80 shown in FIG. 6 can thus only be made from a material and can be easily disposed of accordingly and fed to a recycling of the plastic material become.
  • FIGS. 1 to 4 and 6 those shown there Aerators 10 to 40 and 80 on an additional screen 22, the upstream side in front of the jet regulating device 1 and the beam splitting device 9 is arranged.
  • This front screen 22 should be the dirt particles that may be carried in the water filter and the function of the aerators 10 to 40 as well Secure 80.
  • the jet regulators 10 to 80 shown here are included comparatively easy to produce. Due to the perforated plate 2 of its jet regulating device, which is designed like a honeycomb cell 1 are characterized by the aerators 10 to 80 particularly good beam shaping and high functional reliability out.
  • the jet regulators shown here have a round one Cross section on. Such outlet devices are also possible with an oval or the like rounded, one to produce a segment of a circle or a square outline.
  • at least one honeycomb cell can be used Perforated field can be provided in the perforated plate 2, which a round, rounded, segment-like or angular outline Has.
  • the perforated plate 2 in Fig. 7 is the outlet-side jet regulating device serving perforated plate 2 of an otherwise not shown sanitary outlet device shown.
  • the perforated plate 2 in Fig. 7 has flow holes 3, which are a segment of a circle have a clear flow cross-section.
  • the circle segment-like Flow holes 3 are on several concentric ring areas arranged. The are evenly spaced from each other Flow holes 3 through thin guide walls 4 separated, whose wall thickness is only a fraction of the inside Hole diameter of a limited by the guide walls 4 Flow hole 3 is.
  • the perforated plate 2 is a sanitary outlet device shown here an elongated rounded Outline.
  • the perforated field of the perforated plate 2 in Fig. 8 formed by flow holes 3, which in the central region A Perforated plate 2 have a rectangular flow cross section, while in the semicircular end regions B and C the Perforated plate 2 provided flow holes a segment of a circle Flow cross-section.
  • outlet device shown can be a wide jet of water be formed, which is homogeneous over its entire beam width and is sparkling-soft.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Nozzles (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Surgical Instruments (AREA)
  • Domestic Plumbing Installations (AREA)
  • Confectionery (AREA)
  • Valve Device For Special Equipments (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Saccharide Compounds (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)
  • Endoscopes (AREA)
  • Flow Control (AREA)
EP97910434A 1996-10-11 1997-10-10 Strahlregler Expired - Lifetime EP0931198B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE29617719U 1996-10-11
DE29617719 1996-10-11
PCT/EP1997/001221 WO1998016693A1 (de) 1996-10-11 1997-03-11 Sanitäre auslaufvorrichtung
WOPCT/EP97/01221 1997-03-11
PCT/EP1997/005595 WO1998016694A1 (de) 1996-10-11 1997-10-10 Strahlregler

Publications (2)

Publication Number Publication Date
EP0931198A1 EP0931198A1 (de) 1999-07-28
EP0931198B1 true EP0931198B1 (de) 2001-12-19

Family

ID=8030465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97910434A Expired - Lifetime EP0931198B1 (de) 1996-10-11 1997-10-10 Strahlregler

Country Status (11)

Country Link
US (1) US6126093A (https=)
EP (1) EP0931198B1 (https=)
JP (1) JP3975241B2 (https=)
KR (1) KR100523050B1 (https=)
AT (1) ATE211206T1 (https=)
AU (2) AU1926797A (https=)
BR (1) BR9713257A (https=)
DE (3) DE29704286U1 (https=)
DK (1) DK0931198T3 (https=)
ES (1) ES2170369T3 (https=)
WO (2) WO1998016693A1 (https=)

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AU4781697A (en) 1998-05-11
KR20000049069A (ko) 2000-07-25
AU1926797A (en) 1998-05-11
US6126093A (en) 2000-10-03
DE29704286U1 (de) 1997-04-30
AU713927B2 (en) 1999-12-16
WO1998016693A1 (de) 1998-04-23
BR9713257A (pt) 1999-11-03
KR100523050B1 (ko) 2005-10-21
JP3975241B2 (ja) 2007-09-12
DK0931198T3 (da) 2002-04-15
ATE211206T1 (de) 2002-01-15
WO1998016694A1 (de) 1998-04-23
DE29718727U1 (de) 1997-11-20
EP0931198A1 (de) 1999-07-28
JP2001502026A (ja) 2001-02-13
DE59705910D1 (de) 2002-01-31
ES2170369T3 (es) 2002-08-01

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