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EP0208958A2 - Dispositif d'étranglement pour régulateur de jet - Google Patents

Dispositif d'étranglement pour régulateur de jet Download PDF

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Publication number
EP0208958A2
EP0208958A2 EP86108626A EP86108626A EP0208958A2 EP 0208958 A2 EP0208958 A2 EP 0208958A2 EP 86108626 A EP86108626 A EP 86108626A EP 86108626 A EP86108626 A EP 86108626A EP 0208958 A2 EP0208958 A2 EP 0208958A2
Authority
EP
European Patent Office
Prior art keywords
throttle device
channels
insert part
flow
insert
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
Application number
EP86108626A
Other languages
German (de)
English (en)
Other versions
EP0208958B1 (fr
EP0208958B2 (fr
EP0208958A3 (en
Inventor
Dieter Wildfang
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6275680&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0208958(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dieter Wildfang GmbH filed Critical Dieter Wildfang GmbH
Priority to AT86108626T priority Critical patent/ATE47183T1/de
Publication of EP0208958A2 publication Critical patent/EP0208958A2/fr
Publication of EP0208958A3 publication Critical patent/EP0208958A3/de
Publication of EP0208958B1 publication Critical patent/EP0208958B1/fr
Application granted granted Critical
Publication of EP0208958B2 publication Critical patent/EP0208958B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E03C2001/026—Plumbing installations for fresh water with flow restricting devices

Definitions

  • the invention relates to a throttle device for or provided with at least one built-in jet regulator of sanitary outlet fittings.
  • Known jet regulators still have a number of disadvantages. They are divided into different flow classes, which are identified with letters (C, B, S, A, Z). Depending on the pressure conditions prevailing in a pipeline network, a suitable jet regulator with a predetermined volume flow is selected for a desired flow rate per unit time. However, this requires appropriate specialist knowledge. Selling in so-called self-service shops is therefore problematic, in particular because a subsequent change in the flow rate per unit of time is practically impossible and also not provided.
  • Jet regulators that are equipped with a throttle device are also known.
  • a throttle insert is usually provided there, which has a disk which, depending on the desired throttling effect, has a more or less large bore.
  • additional throttling beyond the jet regulator can be achieved; it has been found, however, that these known combinations of jet regulators and additional throttles result in increased valve noise, which u. U. exceeds the permissible maximum noise level. Therefore, provided Strahlre can g ler not for very low flow rates with simultaneous adherence to the permissible limit for the noise to be used with such throttling devices.
  • the additional throttle plate can only be replaced with difficulty and can be carried out with an auxiliary tool, which also requires appropriate knowledge and skill.
  • the object of the present invention is in particular to provide a throttle device of the type mentioned at the outset which, on the one hand, can be easily connected to known jet regulators,
  • this throttle device should be constructed so that it can be used practically universally, even retrospectively, in connection with different jet regulators.
  • Relevant jet regulators are e.g. B. already known from DE-GM 81 33 875.
  • the throttle device according to the invention is intended to enable a simple change in the volume flow in the unit of time in such or similar jet regulators, without the aforementioned disadvantages occurring. In particular, simple installation and removal should be possible and a substantial increase in valve noise should be avoided.
  • the solution to this problem according to the invention consists essentially in that the throttle device as with its throttle cross-sections at least approximately in the flow direction in front of the further built-in parts of the jet regulator, these built-in parts overlapping hat-like and supportable against the dynamic pressure; interchangeable insert for the jet regulator is formed.
  • Such throttling devices provided with correspondingly large throttle cross sections, can be accommodated in jet regulators as a replaceable insert and can be exchanged if necessary without practically increasing the noise level.
  • Such an insert part is expediently provided with an annular wall and a cover part opposing the direction of flow, and the throttle cross sections of the insert part are arranged in the region of the annular wall and preferably cut obliquely at their mouths.
  • Such an insert part is not only particularly easy to manufacture, but the diagonally cut out mouths of the passage channels result in comparatively large outlet cross sections. It has been found that with such training good throttling effect the noise can be kept particularly low. This applies in particular to the interaction with jet regulators. It is namely particularly advantageous if the jet can atomize when exiting from mouths which are larger than the passage channels of the insert part, inter alia because of this area enlargement, and not as a closed jet, e.g. B. is guided in the area of a jet regulator pre-screen on its beam circumference.
  • a jet regulator for connection to sanitary fittings in which a cover part of its jet splitter has disassembly holes oriented in the direction of flow, which are delimited in the inflow-side surface by essentially two cone surfaces open annular gap-like guide channel, which in turn widens somewhat in terms of its cross section in the flow direction.
  • the above-mentioned disassembly holes of this jet regulator have outlet cross sections which are oblique to the disassembly holes due to the conical design of the top of the adjoining guide channel and which are thus also larger than the disassembly hole cross sections.
  • these disassembly holes with an oblique outlet cross section which are known from the jet regulator according to DBGM 81 33 875, cannot be compared with the passage channels and orifices of the throttle device according to the invention.
  • they are located in the jet splitter of the known jet regulator itself, so they did not belong to a throttle device which is to be connected upstream of such a jet splitter.
  • the guide channel into which the disassembly holes open and the lower, frustoconical side of which is an uninterrupted baffle surface still represents an annular guide channel which is closed on all sides and which is only in Flow direction seen in the air intake device of the jet regulator has an annular mouth.
  • Known means, not to be discussed here, in this known jet regulator then suck in air and mix the split jets with it. Such a mode of operation is neither aimed at nor achieved with the insert part of the throttle device according to the invention.
  • an insert part sieve which can be plugged onto the insert part is provided on the inlet side to cover the passage channels of this insert part.
  • DE utility model 84 36 202 already discloses a coarse sieve which can be fixed in an undercut in an aerator for faucet mouthpieces and which is there to protect the free holes in a plate base against blockage.
  • the application part sieve according to the application is intended to protect the passage channels on the throttle device from clogging and thereby indirectly help to promote the most uniform possible jet supply to the actual jet regulator even when a throttle device is installed.
  • a generally designated 1 jet regulator is connected to the end of an outlet fitting 2.
  • jet regulators 1 are used, in particular, to let water coming from a sanitary outlet fitting 2 flow out in a uniform water jet, often with mixing the water with air.
  • 1 shows a necessary air intake and jet disassembly device belonging to the jet regulator 1, which is combined there as an assembly 3 and is only shown schematically. On the flow inlet side one can see a regulator screen 4, which closes the assembly 3 and belongs to the jet regulator 1, as well as air slots 5 provided in the side wall of this assembly 3.
  • Such or similar jet regulators have a throttling effect on the water jet flowing through according to their design and design, which often does not match the throttling effect that is in detail case is desired at the given application site. Accordingly, the invention has created a throttle device which can be easily assembled or disassembled by non-specialists without special auxiliary tools and is designated as a whole by 20, which can be seen from FIGS. 7 and 8 on its own and in the installed state and provided with an insert sieve 21 from FIG 2 is recognizable.
  • the throttle device 20 is now designed with its throttle cross-sections (through channels 7) at least approximately in the flow direction (Pf 1) in front of the further built-in parts (3, 4, etc.) of the jet regulator, this interchangeable insert part 6 which is hat-shaped and can be supported against the dynamic pressure .
  • this interchangeable insert part 6 which is hat-shaped and can be supported against the dynamic pressure .
  • FIGS. 2 and 1 show that even less trained persons can particularly easily insert or remove or replace them in an existing jet regulator 1.
  • the flow rate can be reduced in the existing jet regulator with a fixed flow class so that the effect of the flow regulator 1 is a different flow class.
  • the insert part 6 of the throttle device 20 is provided with an annular wall 9 and a cover part 10 opposite the flow direction Pf 1.
  • the throttle cross sections are see-e by the clear widths of the arranged in the region of the annular wall 9 through passages 7 prior g, which are preferably cut obliquely at their mouths.
  • the passage cross section of the channels 7 in the flow direction Pf 1 has the same dimensions and shape. Usually they are round bores.
  • the area 8 of the mouths of these channels 7 is larger than the channel cross section, so that the projection the mouth surface on an imaginary plane running perpendicular to the longitudinal axes L of the channels 7 corresponds to the channel cross section.
  • the mouths 8 of the channels 7 lie on an inside region 11 of the insert part 6, which is oriented obliquely downwards and outwards.
  • the cylindrical ring wall 9 of the insert part 6 is arranged at least approximately parallel to its longitudinal axis A and the passage channels 7 are likewise arranged at least substantially parallel to this longitudinal axis and at equal distances from one another.
  • annular wall 9 and these channels 7 could also be designed with inclinations with respect to the longitudinal axis A of the jet regulator 1 or its insert part 6, the aforementioned preferred configurations with an axially parallel annular wall 9, axially parallel channels 7 and through channels 7 arranged at equal distances from one another do the advantages of particularly easy to manufacture. This also applies to the same cross-sections of the passage channels 7, which also favors a uniform water distribution in the outlet area of the egg replacement part 6.
  • throttling that is to say a deliberate reduction in the flow rate in the time unit, and a relatively uniform inflow to the regulating sieve 4 are obtained without any noticeable increase in the noise formation of the unit composed of the jet regulator and throttle device.
  • tread channels 7, here also called “channels 7" for short, are located in the outer peripheral region of the cover part 10 and continue along the ring wall 9.
  • the orifices 8 of these channels 7 lie on the inside 11 of the annular wall 9. In the exemplary embodiment, this is arranged obliquely to the longitudinal axis A of the throttle device 20, so that there is an oblique cut and thus the desired shape of the orifice 8 on the inside 11 of the annular wall 9 .
  • the passage channels 7 can also deviate somewhat from the parallel position to the longitudinal axis A, although the opening area which is enlarged compared to a vertical cross section is still present.
  • the intersection angle S (see FIGS. 3 to 5) between the longitudinal axis L of the channel can, for. B. are approximately in the range between 10 and 45 °, preferably 20 ° are provided.
  • the design with channels 7 oriented to the longitudinal axis A of the throttling device 20 is preferred, as already mentioned, because of its ease of manufacture, especially if the insert 6 of the throttling device designated as a whole by 20 is preferably made of plastic, expediently by an injection molding process is.
  • Deviations from the preferred embodiment shown in particular in FIGS. 7 and 8 are shown in FIGS. 4 to 6.
  • the inside 11 a is aligned straight or parallel to the longitudinal axis A of the throttle device and the passage channels 7 run at an angle S thereto.
  • the inside 11b is curved, with the intersection angle S between the tangent in the mouth region of the longitudinal axis L of the channel.
  • the passage cross section of the channels 7 has constant dimensions in the flow direction.
  • a preferably circular cross section is provided, which is simple in terms of production technology can be produced. Such insert parts made of plastic can also be easily removed from the mold.
  • FIGS. 3 to 6 show a modified embodiment of the throttle device 20, in which the cross section of the channels widens conically towards the mouth 8.
  • the various exemplary embodiments of the throttle device 20 according to FIGS. 3 to 6 can be used depending on the existing environmental conditions or also depending on the intended manufacturing method for the insert part 6.
  • the channels 7 can also polygonal, z. B. have square cross sections.
  • eighteen circular channels with a clear diameter of 0.9 mm are preferably provided in the insert part 6.
  • a flow rate corresponding to the flow class Z can be achieved largely independently of the respectively predefined flow class of the jet regulator 1 in which this throttle device 20 is used.
  • the cover part 10 of the insert part 6 is designed as a flat plate and comparatively thick-walled and thus rigid. As a result, natural vibrations occur even at different pressure ratios could lead to noise. If necessary. the cover part 10 can also be shaped conically against the direction of flow.
  • the annular wall 9 with the inclined inner side 11 also provides good stability with comparatively small wall thicknesses, so that vibrations or the resulting noise generation are also avoided here.
  • the hat-shaped insert part 6 of the throttle device 20 has an outwardly facing, circumferential flange 13 at the outlet end (lower in the drawing). This serves in particular as a support and as a holding part and also for centering the insert part 6.
  • this flange 13 stabilizes the ring wall 9 which is narrower in the transition region to the flange 13 and thereby stabilizes the entire insert part 6.
  • the ring wall 9 of the insert part 6 has at its end facing away from the inflow direction Pf 1 there is a bevelled support, which is approximately matched to the shape of an adjacent installation part of the jet regulator 1, in particular to the shape of the regulator screen 4.
  • the z. B upward curved surface of the regulator sieve 4 or the like.
  • Protective sieve of the jet regulator 1 is arranged approximately parallel and preferably at a distance from the mouths 8 of the channels 7 (cf. FIGS. 1 and 2). Then there is a corresponding space between the mouths 8 on the one hand and the top of the regulator screen 4 on the other hand such that the distribution of the throttled medium flowing in takes place relatively evenly.
  • the ring wall 9 or the flange 13 have an inclined support slope. In the embodiment of the insert part 6 shown in FIG. 2, this is supported, as mentioned, on the upper side of the there conical regulator sieve 4 and there is usually a distance between the mouths 8 to the regulator sieve surface, in which favorable flow conditions arise.
  • the peripheral surface of the flange has a shoulder 15 with a centering bevel 16.
  • the extension 15 is offset inwards relative to the outer circumference of the stop flange 13 and the centering bevel 16 adjoins this extension 15 on the outside. This edge formation of the flange 13 enables the insert part 6 to be held in an embodiment of a jet regulator 1 shown in FIG. 1.
  • the insert part 6 is supported with the attachment 15 approximately radially on a press ring 17 belonging to the assembly 3, the centering bevel 16 Axial support and centering of the insert 6 results simultaneously.
  • a sealing ring 18 rests on the flange 13 and seals between the outlet fitting 2 and the jet regulator 1.
  • the outer edge of the flange .13 of the insert 6 lies on the inside against the sealing ring 18.
  • the distance from the cover part 10 thereof and the distance between the mouths 8 of the channels 7 from the support slope can be dimensioned such that a dome-shaped part of the control screen 4 fits into the insert part 6 or this insert part 6 can be slipped over the regulator screen, but between the Regulator screen 4 and the orifices 8 of the insert part 6 a distance remains in the desired manner.
  • the hat-shaped insert part 6 can well be provided with such external dimensions that allow it to be inserted into the connection area of a jet regulator 1.
  • the space available there which is partly stipulated by standardization, is in itself cramped. Nevertheless, the throttle device according to the invention can still be easily accommodated there without changes to the jet regulator.
  • the throttle device 20 has an insertable insert sieve 21 on its inlet part 6 on the inlet side to cover the passage channels 7 of this insert part 6. Then the channels 7 of the insert part 6 are largely protected against contamination, which also contributes to a uniform and quiet operation of the throttle device 20.
  • the assembly of the throttle device 20 can be carried out particularly easily, since it can be placed as the first part in the flow direction Pf 1 on the subsequent installation parts 3 or 4 etc.
  • the throttle device 20 is thus directly suitable for removal or for a change even after the jet regulator 1 has been unscrewed from the outlet fitting 2.
  • the special shape of the throttle device 20 results in a suitable dimensional adjustment of the insert part 6 on the usually available space in jet regulators 1 and by the design of the fastening and supporting parts of the insert part 6 of the throttle device 20, a throttle device suitable for various applications with largely universal usability Jet regulators on the market 1.
  • the jet must be operated in accordance with the regulations regarding valve noise regulator 1, even if it is additionally equipped with a throttle device 20, in particular possible through the inventive design of this throttle device 20.

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)
  • Nozzles (AREA)
  • Pipe Accessories (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Massaging Devices (AREA)
  • Safety Valves (AREA)
EP86108626A 1985-07-13 1986-06-25 Dispositif d'étranglement pour régulateur de jet Expired - Lifetime EP0208958B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86108626T ATE47183T1 (de) 1985-07-13 1986-06-25 Drosselvorrichtung fuer strahlregler.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3525031 1985-07-13
DE19853525031 DE3525031A1 (de) 1985-07-13 1985-07-13 Strahlregler

Publications (4)

Publication Number Publication Date
EP0208958A2 true EP0208958A2 (fr) 1987-01-21
EP0208958A3 EP0208958A3 (en) 1987-07-29
EP0208958B1 EP0208958B1 (fr) 1989-10-11
EP0208958B2 EP0208958B2 (fr) 1992-09-16

Family

ID=6275680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86108626A Expired - Lifetime EP0208958B2 (fr) 1985-07-13 1986-06-25 Dispositif d'étranglement pour régulateur de jet

Country Status (3)

Country Link
EP (1) EP0208958B2 (fr)
AT (1) ATE47183T1 (fr)
DE (2) DE3525031A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0733748A1 (fr) * 1995-03-24 1996-09-25 DIETER WILDFANG GmbH Jeu des parties incorporées placé dans un embout de robinet

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023102083A1 (de) * 2023-01-27 2024-08-01 Neoperl Gmbh Strahlregler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417924A (en) * 1967-02-15 1968-12-24 Elie P. Aghnides Aerator with variable proportioning
US3623670A (en) * 1970-06-17 1971-11-30 Waterbury Pressed Metal Co The Aerator and spray device
EP0033313A2 (fr) * 1980-01-24 1981-08-05 American Standard Inc. (a Delaware corporation) Dispositif pour contrôler le courant d'un liquide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633824A (en) * 1969-07-08 1972-01-11 Elic P Aghnides Spray-producing device in which the output jets are aerated
DE2060751C3 (de) * 1970-12-10 1973-11-08 Mannesmann& Keppel Electronics, 5630 Remscheid Flüssigkeitsmengenregler
DE2332437C3 (de) * 1972-06-26 1979-02-22 Elie P. New York N.Y. Aghnides (V.St.A.) Brausekopf
US4000857A (en) * 1974-07-17 1977-01-04 Moen Alfred M Flow control aerator
DE7611891U1 (de) * 1976-04-14 1980-09-11 Dieter Wildfang Kg, 7840 Muellheim Durchflussbegrenzer fuer in leitungen stroemende medien
DE8133875U1 (de) * 1981-11-20 1983-05-05 Dieter Wildfang KG, 7840 Müllheim "strahlregler zum anschluss an sanitaer-armaturen o.dgl."
DE3208530A1 (de) * 1982-03-10 1983-09-22 TA Rokal GmbH, 4054 Nettetal Ventileinsatz
DE8436202U1 (de) * 1984-12-11 1985-03-14 Ramspott, Friedhelm, 5780 Bestwig Luftsprudler fuer wasserhahnmundstuecke

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417924A (en) * 1967-02-15 1968-12-24 Elie P. Aghnides Aerator with variable proportioning
US3623670A (en) * 1970-06-17 1971-11-30 Waterbury Pressed Metal Co The Aerator and spray device
EP0033313A2 (fr) * 1980-01-24 1981-08-05 American Standard Inc. (a Delaware corporation) Dispositif pour contrôler le courant d'un liquide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0733748A1 (fr) * 1995-03-24 1996-09-25 DIETER WILDFANG GmbH Jeu des parties incorporées placé dans un embout de robinet
US5769326A (en) * 1995-03-24 1998-06-23 Dieter Wildfang Gmbh Detachable accessory fitting for installation in a discharge orifice

Also Published As

Publication number Publication date
EP0208958B1 (fr) 1989-10-11
DE3525031A1 (de) 1987-01-22
DE3525031C2 (fr) 1987-06-11
EP0208958B2 (fr) 1992-09-16
DE3666253D1 (en) 1989-11-16
EP0208958A3 (en) 1987-07-29
ATE47183T1 (de) 1989-10-15

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