EP0060540B1 - Vorrichtung zur Bildung einer Vielzahl von belüfteten Strahlen, insbesondere Brausekopf - Google Patents

Vorrichtung zur Bildung einer Vielzahl von belüfteten Strahlen, insbesondere Brausekopf Download PDF

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Publication number
EP0060540B1
EP0060540B1 EP82102033A EP82102033A EP0060540B1 EP 0060540 B1 EP0060540 B1 EP 0060540B1 EP 82102033 A EP82102033 A EP 82102033A EP 82102033 A EP82102033 A EP 82102033A EP 0060540 B1 EP0060540 B1 EP 0060540B1
Authority
EP
European Patent Office
Prior art keywords
jet
individual
section
obstacles
jets
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
Application number
EP82102033A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0060540A1 (de
Inventor
Werner Finkbeiner
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.)
Hansgrohe SE
Original Assignee
Hansgrohe SE
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
Application filed by Hansgrohe SE filed Critical Hansgrohe SE
Priority to AT82102033T priority Critical patent/ATE9919T1/de
Publication of EP0060540A1 publication Critical patent/EP0060540A1/de
Application granted granted Critical
Publication of EP0060540B1 publication Critical patent/EP0060540B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads

Definitions

  • the invention relates to a device for forming a plurality of aerated jets, in particular a shower head, with a device for generating unventilated individual jets, at least one space underneath for the access of air and a plurality of through-channels with obstacles for disassembly protruding into the path of the individual jets the single rays.
  • Known devices for producing aerated water jets generally have a perforated plate, under which at least one wire screen is arranged at a distance, which causes the individual jets emerging from the perforated plate to be separated and mixed with the air.
  • the mesh size of the sieve is kept so that the sieve openings are smaller than the holes in the perforated plate, so that dirt particles carried along from the line get caught in the sieve and cause a disturbance in the jet pattern or a reduction in water penetration.
  • the calcification works in the same sense, which progresses very quickly in the case of narrow-mesh sieves and, in the case of calcareous water, quickly leads to a flow reduction in which it is no longer possible to draw in a sufficient amount of air.
  • a hand shower with devices for forming aerated jets is also known.
  • a plate-like beam splitter element with a concave surface the diameter of which is a multiple of the diameter of the outlet opening for the single jet, is introduced axially into the path of the single jet as an obstacle to the decomposition of a single jet in a through-channel, so that the jet impinges directly on the plate and is reflected by it.
  • the invention is therefore based on the object of providing a device for forming aerated water jets which does not require a sieve and in which the water jets are nevertheless braked as little as possible.
  • the object is achieved in that at least two individual jets are directed onto each channel 7, the channels 7 have an essentially central passage opening in the axial direction, the clear diameter of which is larger than that of an unvented single jet, the exit direction of at least one single jet offset from the axis the passage opening is directed into the channel and the obstacles 14; 20; 27, 28; 37, 38; 48, 49 protrude laterally from the channel wall into the path of at least one individual beam to split the individual beams.
  • the result of this is that the individual beam is not reflected when it is decomposed, but is merely deflected, that is to say at least partially retains its original direction of movement, but is nevertheless decomposed to such an extent that satisfactory air absorption and mixing with air take place.
  • the section of the channel that divides the individual beams preferably has discontinuous, in particular abrupt, cross-sectional reductions that can run in a step-like manner.
  • the impact surface of the obstacles is preferably inclined perpendicular to the beam direction or in the beam direction. If it is perpendicular to the beam direction, then the obstacle preferably projects only so far into the path of a single beam that it is only partially detected. Since several individual jets are used to generate a single aerated jet, the deflected individual jets mutually influence one another at the same time, which further promotes the mixing of the intake air. Furthermore, beam guiding elements are advantageously provided according to the invention, by means of which the aerated jets can still be influenced.
  • At least one beam swirling section is advantageously provided subsequent to the section serving to split the beams, which section preferably has at least one cross-sectional expansion, which can be abrupt and z. B. can be formed as an undercut provided on the channel wall.
  • a shaping section is advantageously provided which has at least one cylindrical section.
  • the beam shaping section preferably has step-shaped and / or conical cross-sectional reductions, which are advantageously provided in front of the cylindrical section (viewed in the beam direction).
  • the devices are the ones that generate the individual beams Holes of the device are arranged eccentrically with respect to the axis or the axes of the beam guiding elements and are deflected by the likewise eccentrically arranged obstacles in the direction of the longitudinal axes of the beam guiding elements.
  • This allows friction losses to be kept low.
  • the passage cross section through the beam guiding elements is not adjusted by the obstacles, which are generally arranged at the edge of the openings, as is the case with the known shower device. Rather, the clear cross section of the beam guiding elements, in particular the diameter of the straight free passage through the entire channel, is always several times larger than the diameter of the beam-forming holes, as a result of which a risk of clogging is avoided.
  • the ventilated jet is also always influenced further from the outer edge, in particular with the aid of cross-sectional expansions and / or constrictions of various designs.
  • the holes for forming the individual beams generally have a diameter of approximately 0.5 mm to 2.5 mm and can have different cross-sectional shapes. It can also be advantageous to provide, in a manner known per se, a disruptive element for the individual jets in order to unsettle the jet or to give it a twist, for example in the bore itself or at the inlet of the water into the corresponding bore or passage opening. As a rule, three to ten holes are provided for individual beams per channel.
  • the height of the air space between the nozzles or holes forming the individual jets and the obstacles dividing the individual jets can vary within wide limits and is generally 0.5 mm to 5 mm, preferably up to 3 mm, but can also be considerably larger.
  • the outlet cross section of the aerated jet or the inside diameter of a jet former that may be provided for this purpose can also be varied within wide limits and is generally 2 mm to 15 mm, preferably approximately 4 mm to 6 mm.
  • the input cross section or input diameter of the beam guiding elements or of a passage channel formed by them, which is provided for receiving the individual beams to be divided, is generally larger and normally has a clear width of 4 mm to 20 mm, preferably 6 mm to 12 mm.
  • Step-shaped cross-sectional constrictions which can serve to form the obstacles, but also step-shaped cross-sectional enlargements or undercuts are preferably in the order of 5% to 25%, preferably 10% to 20%, of the clear width of the adjacent guide elements or sections of the channel, of course several constrictions and / or extensions can follow one another.
  • conical extensions and / or constrictions in which the angle of inclination to the longitudinal axis of the individual beams is generally approximately 30 ° to 60 °, preferably approximately 45 °.
  • a shower head or another nozzle body In general, at least 5, preferably 10 to 50, individual devices for generating a ventilated jet are combined in a shower head or another nozzle body.
  • the individual beams can emerge inclined to one another, in particular diverging.
  • the depth of the obstacles with which they protrude laterally into the passage channel or protrude behind a preceding obstacle or wall part is normally 1/4 to three times, preferably 1/2 to the simple, the clear width of a beam-forming hole.
  • the steps are preferably connected to one another so that they represent closed stairs, the step steps being able to be connected from the front edge to the rear edge or from the rear edge to the rear edge.
  • a shower head 1 does not have any other shown shower or massage devices on a device for generating ventilated rays.
  • a plurality of parallel water jet-forming holes 4 are provided in the shower body 2, which is provided with a switchable water inlet 3, which are arranged on an arc-shaped ring 5.
  • a switchable water inlet 3 which are arranged on an arc-shaped ring 5.
  • Each passage channel 7 has a beam splitting section 8, a swirling section 9 and a calming section 10, each of which is formed by correspondingly shaped openings in rings 11, 12 and 13 lying one on top of the other.
  • the beam generating section 8 has an eccentric, step-like four arc-shaped steps 14, which is similar to an amphitheater and has a step 15, which lies below the holes 4 of the ring 5 assigned to it and forms an obstacle to the full individual beams emerging through the holes 4 and divides them and deflects them laterally, whereby the entire cross section of the passage 7 is filled and the sucked air is entrained in the form of bubbles.
  • the swirling section 9 formed by the openings in the ring 12 has a conical taper 16 with an adjoining substantially identical conical widening, whereby, what is important, the input cross section of the opening of the swirling section 9 is larger than the output cross section of the beam splitting section 8, so that an undercut 17 forms at the transition of the two sections.
  • This undercut ensures good turbulence and mixing of air and water, which is further promoted by the taper in the vortex section.
  • the input cross-section of the subsequent calming section 10 essentially corresponds to the output cross-section of the vortex section 9, ie following the narrowing of the vortex section, the flow velocity of the aerated jet is somewhat slowed down by the cross-sectional widening, so that calming already occurs here.
  • the section of the passage channel 7 which forms the calming section and which, like the swirl section, is constructed essentially rotationally symmetrically, has two step-shaped cross-sectional constrictions 18, to which a longer cylindrical section 19 adjoins.
  • the aerated jet is thus initially accelerated somewhat again by the constrictions 18 and then shaped in the cylindrical section 19, so that it emerges as an aerated jet with a substantially constant cross section, which is able to hold the mixed-in air over a long distance.
  • the distance between the outlet openings of the passage channels 7 is kept sufficiently large that the aerated water jets do not touch each other.
  • two disc-shaped rings 23, which lie one on top of the other, are preferably provided, which, if desired, can also have radial ventilation bores in the area of their constrictions 21, 22 for additional ventilation of the aerated jet.
  • the section 10 of the passage 7 that forms the calming section also has a step-like gradation, but the adjoining cylindrical section 19 is somewhat shorter than in the embodiment according to FIG. 1.
  • each passage channel 7 is in turn assigned to three water jet-forming holes 24, which, like in FIG. 1, are oriented in such a way that the jets emerging from them strike the individual steps 20 in different ways.
  • groups of three holes 24 are provided, each group of holes lying on an arc that roughly corresponds to the arc of the second or third stage 20 of the beam splitting section 8, but the center of which is somewhat offset to the outside compared to the axis of rotation of the beam splitting section.
  • the sections 8, 9 and 10 of the passage 7 are also slightly offset from one another.
  • the beam splitting section 8 of the passage 7 essentially corresponds to that of the embodiment according to FIG. 1.
  • the swirling section 9 has two conical constrictions 21 and 22 and is in turn two disc-shaped rings 23 formed.
  • the section 10 forming the calming section has a conical constriction 25 instead of a step-like gradation, to which only one constricts short cylindrical section 26 connects.
  • the input cross-section of the cone 25 is larger than the output cross-section of the swirling section 9, so that there is again an undercut between the two sections, which leads to a further increased swirling before the aerated jet in the cone 25 and in the subsequent cylindrical section 26 is calmed.
  • the beam splitting section 10 of the passage 7 has a conical taper 27 and two adjoining cylindrical sections with an intermediate step 28.
  • the shape of the vortex section 9 corresponds essentially to that of FIG. 1 and the section 10 forming the calming section to that of FIG. 6, but no undercut is provided here between sections 9 and 10. Rather, the output cross section of section 9 and the input cross section of section 10 are of the same size and shape.
  • the axes of rotation of the three sections 8, 9 and 10 also coincide in this embodiment.
  • each passage channel 7 is in turn assigned three water jet-forming holes.
  • these lie on a circular arc that intersects the axes of the passage channels 7.
  • the middle hole 29 opens into the passage 7 along the longitudinal axis thereof, so that the water jet formed by it could pass through the passage 7 without hindrance if it did not receive water jets from the other two holes 30 that hit the cone 27 or the stairs 28 hit, disturbed and would also be divided.
  • holes 29 and 30 are not combined into groups of three, but are arranged at equal intervals along an arc. The inlet openings of the passage channels 7 are so close together that they essentially touch each other and are essentially free of a web separating them.
  • FIGS. 9 and 10 show a particularly preferred embodiment of the invention. This is very simple and still shows a good spray pattern.
  • a shower head 31 has a plurality of holes 33 in a perforated plate 32, which are combined into groups of four, the four holes 33 each lying on a circular arc which is arranged symmetrically to a passage 34 and whose diameter is slightly smaller than the input diameter of the Passage channel 34.
  • To form the passage channel 34 two disk-shaped rings 35 and 36 are provided, which are provided with corresponding openings.
  • the opening in the ring 35 forming the beam splitting section 8 has three diameter steps, the diameter and height of which decrease from top to bottom.
  • the diameters are 8 mm, 7 mm and 5.5 mm and the respective heights 2.5 mm, 1.5 mm and 1 mm.
  • the holes 33 in the perforated plate 32 are aligned in such a way that the individual jets emerging from them strike the edge of the shoulder 37 between the upper and the middle diameter step and are broken there. A further refraction takes place on the shoulder 38 between the middle and the lower diameter step.
  • the entire cross section of the passage is filled again and air is sucked in via an air vent 39 into an air space 40 located under the perforated plate.
  • no longitudinal section formed by a special part is provided for the formation of a vortex section.
  • the initial cross-section of the opening in the disk-shaped ring 35 is smaller than the entrance cross-section of the subsequent ring 36, so that an undercut 41 with a sudden increase in cross-section is formed at the transition.
  • the opening in the disk-shaped ring 36 has two diameter steps, namely an upper one with a diameter of 6 mm and a lower one with a diameter of 4.5 mm, the height of the upper diameter step being approximately 2.5 mm slightly less than that of the lower with about 3 mm. Overall, this embodiment has a low overall height. You can therefore easily with other facilities of a shower head, for. B. combine a massage device or a conventional shower head without large and bulky designs.
  • the perforated plate 32 and the disc-shaped rings 35 and 36 with their openings can also be easily produced by injection molding and aligned by molding or recessing appropriate stops in a simple manner so that the axially aligned arrangement of the individual plates or disks and their Breakthroughs are possible in a simple manner.
  • the holes 33 in the perforated plate 32 generally have a diameter of 1 mm. Five holes are also possible.
  • a shower head has a perforated plate 32 with holes 33, which are arranged on an arc of a circle similar to the embodiment according to FIGS. 1 to 3. Is located below the perforated plate 32 an air space 6 with channels, not shown in the drawing, for the air inlet.
  • the air passages 7 adjoin the air space, which in turn are arranged eccentrically, that is to say outwardly offset under the holes 33, as in the embodiment according to FIGS. 1 to 3.
  • three holes are assigned to a passage channel.
  • the holes have a diameter of approximately 1.2 mm.
  • the passage channels are again formed by openings of three disks or rings 42, 43 and 44 lying one above the other.
  • the opening in the upper ring 42 forming the beam splitting section has essentially the shape as described in connection with the description of the embodiment according to FIGS. 1 to 3, the staircase formed by arch sections, however, having only three diameter steps 45, 46, 47 with two has intermediate step edges 48 and 49.
  • the disk or ring 43 Following the diameter step 47 with the smallest diameter is the disk or ring 43, the opening of which, however, is not restricted to a single passage 7, but initially has an annular groove 50, which forms a cross-connection of all passage 7.
  • the width of the annular groove 50 is larger than the diameter of the diameter step 47, so that the resulting undercut promotes the swirling of the aerated water jet.
  • the annular groove 50 has a bevelled bottom, to which each passage channel is adjoined by a substantially cylindrical bore 51, the diameter of which is smaller than the diameter of the smallest diameter step 47 of the beam splitting section 8.
  • the cylindrical bore 51 has at its end facing the lower ring 44 a slight constriction 52, which has a sharp inner edge, which, together with the input cross section of the underlying disc 44, in turn forms an undercut.
  • the disk 44 in turn has an encircling annular groove 53 on its input side, which connects all of the calming sections of the passage channels 7 to one another.
  • This annular groove 53 is in turn followed by a cylindrical section 54, the diameter of which essentially corresponds to the cylindrical section 51 in the ring 43 or is slightly smaller.

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)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Ventilation (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
EP82102033A 1981-03-16 1982-03-13 Vorrichtung zur Bildung einer Vielzahl von belüfteten Strahlen, insbesondere Brausekopf Expired EP0060540B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82102033T ATE9919T1 (de) 1981-03-16 1982-03-13 Vorrichtung zur bildung einer vielzahl von beluefteten strahlen, insbesondere brausekopf.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813110029 DE3110029A1 (de) 1981-03-16 1981-03-16 Vorrichtung, insbesondere brausekopf, zur bildung von beluefteten wasserstrahlen
DE3110029 1981-03-16

Publications (2)

Publication Number Publication Date
EP0060540A1 EP0060540A1 (de) 1982-09-22
EP0060540B1 true EP0060540B1 (de) 1984-10-17

Family

ID=6127371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102033A Expired EP0060540B1 (de) 1981-03-16 1982-03-13 Vorrichtung zur Bildung einer Vielzahl von belüfteten Strahlen, insbesondere Brausekopf

Country Status (7)

Country Link
US (1) US4474329A (da)
EP (1) EP0060540B1 (da)
AT (1) ATE9919T1 (da)
DE (2) DE3110029A1 (da)
DK (1) DK157737C (da)
ES (1) ES8303586A1 (da)
NO (1) NO820840L (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017203577A1 (de) 2016-03-07 2017-09-07 Hansgrohe Se Brausekopf für belüfteten Brausestrahl

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404662A1 (de) * 1984-02-10 1985-08-14 Hans Grohe Gmbh & Co Kg, 7622 Schiltach Wasserstrahlbeluefter fuer sanitaer-armaturen und dergleichen
US5292030A (en) * 1990-08-06 1994-03-08 Kateman Family Limited Partnership Method and apparatus for producing and dispensing aerated products
DE9217300U1 (da) * 1992-02-13 1993-03-04 Tremmel, Helmut, 8498 Arnbruck, De
DE19806704A1 (de) * 1998-01-08 1999-07-22 Ingwa Umwelttechnik Gmbh Verfahren und Vorrichtung zur Durchflußmengenverringerung von Flüssigkeiten
DE19852411A1 (de) 1998-11-13 2000-05-18 Grohe Kg Hans Wasserstrahlbelüfter
DE102008038727B4 (de) * 2008-08-12 2010-10-28 Neoperl Gmbh Sanitärer Wasserauslauf
DE202008010717U1 (de) 2008-08-12 2009-12-24 Neoperl Gmbh Sanitärer Wasserauslauf
WO2011039647A2 (en) * 2009-09-29 2011-04-07 Jmi Group Limited Shower head
DE102013002235B4 (de) * 2013-02-11 2020-01-16 Grohe Ag Luftansaugvorrichtung für eine Sanitärbrause

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510396A (en) * 1948-04-07 1950-06-06 Wrightway Engineering Co Aerating device
US2565554A (en) * 1949-04-30 1951-08-28 Wrightway Engineering Co Aerating shower head
US2670942A (en) * 1949-11-29 1954-03-02 Elie P Aghnides Aerator
DE1076582B (de) * 1949-12-29 1960-02-25 Elie P Aghnides Vorrichtung zum Belueften von unter Druck fliessendem Wasser
US2950063A (en) * 1953-12-21 1960-08-23 Jr Glenn Q Ripley Aerating shower head
DE1081838B (de) * 1955-02-03 1960-05-12 Karl Seidl Vorrichtung zur Belueftung des Wasserstrahles von Wasserauslaeufen
US2832577A (en) * 1957-01-15 1958-04-29 Wrightway Engineering Co Aerating device
GB818206A (en) * 1957-01-15 1959-08-12 Wrightway Engineering Co Aerating device
AT228723B (de) * 1962-06-29 1963-08-12 Ferdinand Schulz Zerstäubungsdüse und Düsenkopf
US3799450A (en) * 1972-11-24 1974-03-26 C Braukman Aerator for hose type irrigation system
US4082225A (en) * 1976-11-05 1978-04-04 Haynes Kenneth H Constant volume aerated showerhead apparatus
DE2821195A1 (de) * 1978-05-13 1979-11-15 Guenther Rathsack Ingenieurtec Handbrause
DE7902130U1 (de) * 1979-01-26 1980-07-03 Christophery Gmbh, 5860 Iserlohn An einen Wasserauslauf ansetzbarer Brausekopf mit einer Verstelleinrichtung für zwei Strahlarten
US4379097A (en) * 1981-04-03 1983-04-05 Leggett Wilbur P Hydrotherapy jet unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017203577A1 (de) 2016-03-07 2017-09-07 Hansgrohe Se Brausekopf für belüfteten Brausestrahl

Also Published As

Publication number Publication date
DE3110029A1 (de) 1982-09-30
NO820840L (no) 1982-09-17
DK115782A (da) 1982-09-17
ES510431A0 (es) 1983-02-01
ATE9919T1 (de) 1984-11-15
DK157737B (da) 1990-02-12
DE3110029C2 (da) 1988-05-19
DE3260987D1 (en) 1984-11-22
US4474329A (en) 1984-10-02
ES8303586A1 (es) 1983-02-01
DK157737C (da) 1990-07-30
EP0060540A1 (de) 1982-09-22

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