WO2014121902A1 - Dispositif d'aspiration d'air pour douchette d'installation sanitaire - Google Patents

Dispositif d'aspiration d'air pour douchette d'installation sanitaire Download PDF

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Publication number
WO2014121902A1
WO2014121902A1 PCT/EP2014/000209 EP2014000209W WO2014121902A1 WO 2014121902 A1 WO2014121902 A1 WO 2014121902A1 EP 2014000209 W EP2014000209 W EP 2014000209W WO 2014121902 A1 WO2014121902 A1 WO 2014121902A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
air
section
water
opening
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.)
Ceased
Application number
PCT/EP2014/000209
Other languages
German (de)
English (en)
Inventor
Eckhard Gransow
Jan Philipp TÜSHAUS
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.)
Grohe AG
Original Assignee
Grohe AG
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 Grohe AG filed Critical Grohe AG
Publication of WO2014121902A1 publication Critical patent/WO2014121902A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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

Definitions

  • the invention relates to a device for the suction of air to the shower head of a sanitary shower guided water according to the preamble of claim 1 and a shower head of a sanitary shower with such a device according to claim 10.
  • a sanitary shower the supplied water is mixed with air by means of the Venturi principle , The addition of up to 30% air reduces water consumption and also softens the water jet leaving the shower head.
  • DE 10 2004 059 328 A1 discloses a shower head for a sanitary shower, in which the air intake takes place directly in the shower head.
  • a generic device for the suction of air for the shower head of the sanitary shower guided water is known.
  • the device is not integrated directly in the shower head, but rather is arranged upstream of the shower head.
  • the addition of air takes place in the manner of a water jet pump, in which the water is injected at high speed from an outlet opening into a downstream cavity in which a negative pressure is generated.
  • the cavity is in fluid communication with an air nozzle in connection, is sucked through the air into the cavity.
  • the air nozzle has mutually adjustable first and second nozzle channels. In an open position, the two nozzle channels are aligned with their mutually facing mouth sections, whereby a maximum air passage is formed.
  • the two nozzle body can manually between an open position and a Closed position to be postponed. In the closed position, the air passage of the air nozzle is blocked.
  • the two mutually facing mouth sections of the air channels are in DE 199 01 704 A1 in about the same size and have approximately diameter, which are only a few millimeters in size.
  • the travel of the adjustable nozzle body between the open position and the closed position is very short, with a correspondingly steeply extending actuating characteristic. In this way, a sensible fine adjustment of the addition of air between the open position and the closed position is not possible.
  • the sensation and cleaning effect of differently aerated jets of water is different, such adjustment of the aeration is of great importance to the user.
  • the object of the invention is to provide a device for the intake of air for the shower head led to a sanitary shower water, in which the user can easily set different amounts of air for admixture with the water.
  • the invention is based on the fact that in the prior art, the mutually facing mouth sections of mutually adjustable nozzle channels of the air nozzle are dimensioned so that between a closed and an open position, a characteristic curve is extremely steep, whereby no fine adjustment of the enclosed amount of air is possible , against this background, at least one of the two nozzle channels is under formation a throttle chamber extended to its mouth opening. In an intermediate position between the closed position and the open position, the throttle chamber can connect the two nozzle channels at least partially with each other. In this way, in the intermediate position, a free air passage cross section is adjustable, with which the amount of air to be added to the water can be manually varied by the user in a simple manner.
  • the two nozzle channels of the air nozzle can be aligned in the open position in alignment with each other.
  • the mouth cross section at the mouth of the nozzle channel provided with the throttle chamber is composed of the opening cross section of the nozzle channel and from the opening cross section of the throttle chamber.
  • the opening cross section of the nozzle channel provided with the throttle chamber without the opening cross section of the throttle chamber, be aligned with the opening cross section of the opposite orifice of the other nozzle channel.
  • the opening cross sections of the two nozzle channels can be identical, for example of the same diameter.
  • the mouth openings of the two nozzle channels of sealing surfaces can be completely covered airtight.
  • the expanded by means of the throttle chamber orifice of a nozzle channel may be partially covered and indeed to form a free passage cross-section which is smaller than the passage cross-section in the above-mentioned open position.
  • the first and the second nozzle channel may each be formed in a first and in a second nozzle body.
  • the two nozzle bodies can each be integrated directly in the shower head. Alternatively, the two nozzle bodies may also be integrated in a separately thereof in the water supply line, that is to say in the shower hose, upstream of the shower head.
  • the two nozzle body can be moved in particular transversely to a channel axis by means of an adjusting movement about a travel between the open position and the closed position.
  • the appropriate air admixture can be adjusted in the intermediate positions.
  • the throttle chamber can protrude from the first nozzle channel by a predetermined throttle path and merge into a sealing surface.
  • the throttle chamber In an intermediate position, the throttle chamber is directly facing the opposite orifice opening of the second nozzle channel.
  • the mouth opening of the second nozzle channel is covered by the above-mentioned sealing surface of the first nozzle body in order to minimize or completely block the addition of air.
  • the throttle chamber may also have a chamber cross-section, which is reduced stepwise or continuously over the aforementioned throttle section in the direction of the sealing surface.
  • the first nozzle channel and / or the second nozzle channel may each be designed as a circular, hollow cylindrical bore, wherein the diameter of which may be approximately the same size.
  • the first nozzle channel can also open at an inlet opening in the throttle chamber.
  • the throttle chamber is limited by a, introduced in the first nozzle body wedge-shaped groove.
  • the groove may preferably extend approximately with a ramp-shaped groove bottom to the sealing surface. This means that their groove depth decreases starting from the inlet opening to the sealing surface down to zero.
  • the second nozzle channel can open at its air outlet side in a second mixing chamber, which is flowed through by the supplied water for air intake in the manner of a water jet pump. In this way, results in the mixing chamber, a negative pressure with which the air is sucked into the mixing chamber.
  • the device for air intake may be an adapter arranged upstream of the shower head, which is interposed, for example, at the transition between the shower hose and a handle of the shower head.
  • the above-mentioned first nozzle body may in this case be a rotationally adjustable, radially outer adjusting sleeve, while the second nozzle body is a radially inner connecting piece, through which water flows.
  • the adjusting sleeve is mounted rotatably on the radially inner connecting piece, the water flowing under acceleration through a Venturi nozzle within the connecting piece and injected as a water jet through a downstream mixing chamber, which is fluidically connected to the air nozzle.
  • the device for air intake can be integrated directly in the shower head.
  • the shower head may have a housing formed with a water supply line.
  • a jet disk can be provided with water outlet possibilities.
  • the first nozzle body can be arranged to be manually rotatable in the housing, while the second nozzle body is arranged in a rotationally fixed manner in the housing.
  • Figure 1 is a partial side view of a shower head of a sanitary shower.
  • Figures 2 to 4 are detail views of the device for air intake; 5 shows an actuating characteristic of the device;
  • FIG. 6 is a sectional view of an adapter element for a
  • FIG. 7 is an enlarged partial sectional view along the sectional plane D-D of FIG .. 6
  • hose facing away from a shower head is shown in a schematic representation.
  • the shower head is roughly shown schematically and shown only insofar as it is necessary for understanding the invention. Moreover, for reasons of clarity, further essential elements of the shower head have been omitted.
  • the shower head shown in FIG. 1 has, for example, a two-part housing 1, with one, the housing bottom forming adjusting disk 3 and a circumferential housing wall 5.
  • the adjusting disk 3 is the user to adjust an air admixing about a central axis A of the housing 1 rotatably mounted, as described later.
  • a rotatably arranged with the adjusting disc 3 upper part 7 and a fixedly arranged in the housing 1 lower part 9 is provided in the two-part housing 1.
  • the housing 1 is at its water outlet side in a conventional manner with a rotatable about the central axis A on the lower part of the 9th mounted jet disk 11 with indicated water outlet 13 closed.
  • FIG. 1 the flow path of the guided water in the shower head is shown with arrows. Accordingly, the water from the shower hose, not shown, fed into a provided in the rotatable upper part 7 water pipe 15 and forwarded to a horizontal flow channel 17 in the lower part 9.
  • the flow channel 17 has on its outlet side a Venturi nozzle 19, through which the water enters with acceleration as a water jet in a mixing chamber 21. Downstream of the venturi 19, an air nozzle 23 is provided for mixing air into the water jet.
  • the air nozzle 23 has first and second channels 25, 27 through which, as described later, air is sucked into the mixing chamber 21 acting as a water jet pump.
  • the mixing chamber 21 is shown in FIG. 1 in flow communication with a flat outlet chamber 29, from which the water is ejected through the jet disk 11.
  • the air nozzle 23 has first and second nozzle channels 25, 27. These are each formed in an integrally formed on the upper part 7 upper first nozzle body 31 and in an integrally formed on the lower part 9 second nozzle body 33.
  • the two nozzle channels 31, 33 are aligned with each other, that is, the mutually facing mouth openings 35, 37 overlap.
  • the first upper nozzle channel 31 in FIG. 1 is fluidically connected to the environment via assembly spaces 38 formed on the edge side between the upper and lower parts 7, 9 and the outer housing 1 and an annular gap 39 between the jet disk 11 and the housing jacket 5.
  • the air nozzle 23 is shown in a detail view. Accordingly, the first nozzle channel 25 is expanded to form a throttle chamber 41 in the axial direction to its mouth opening 35.
  • the throttle chamber 41 is defined in the figures by a wedge-shaped groove which is introduced into a lower sealing surface 43 of the nozzle body 31.
  • the first nozzle channel 31 merges at an inlet opening 45 into the laterally projecting groove 41.
  • the groove 41 extends over a throttle section l D (Fig. 3) until the sealing surface 43, wherein the Forward cross-section of the groove 41 continuously up to the sealing surface 43 decreases towards.
  • the air nozzle 23 is shown in its open position I. In the open position I, the two diameter-identical, cylindrical nozzle channels 31, 33 aligned with each other, whereby a maximum amount of air can be sucked into the mixing chamber 21.
  • the adjustable nozzle body 31 is displaced by a travel s from the open position I to the closed position II. In the closed position II, the mouth opening 37 of the second nozzle channel 27 is completely covered by the sealing surface 43. In this case, no air intake takes place in the mixing chamber 21.
  • FIG. 3 shows the first nozzle body 31 in an intermediate position III, which is located at half the travel s between the open position I and the closed position II. Accordingly, the air flow, not shown in FIG. 3, is first conducted from the first nozzle channel 25 via the inlet opening 45 in the wedge-shaped groove 41 and guided under throttling to the mouth opening 37 of the second nozzle channel 33. In this way, there is a sucked air amount that corresponds to about half of the maximum intake air volume.
  • the actuating characteristic of the indicated in Fig. 1 to 4 air nozzle 23 is illustrated in the diagram of Fig. 5, wherein on the X-axis of the travel is plotted and on the Y-axis, the suctionable air flow m Lu ft is plotted.
  • the air nozzle 23 is closed, that is, no air is sucked.
  • the actuating characteristic between the closed and open positions I, II is comparatively flat, whereby a simple adjustment of the admixed amount of air is made possible in a simple manner.
  • the air intake is not directly in the shower head, but rather upstream of the shower head in an adapter element 45 for the indicated shower hose 47.
  • the adapter 45 is connected directly to an indicated handle 49 of the shower head.
  • the structure and operation of the adjustable air nozzle 23 is substantially identical to the illustrated with reference to FIGS. 1 to 5 air nozzle 23. Therefore, reference is made to the above description.
  • the first nozzle body 31 is a rotationally adjustable adjusting sleeve and the second nozzle body is a radially inner connecting piece with an internal thread 51 which can be screwed to the handle 49 of the shower head.
  • the fitting 33 also operates as a water jet pump where supplied water is injected via a venturi 19 into a mixing chamber 21. Downstream of the venturi nozzle 19, a mouth opening 53 is provided, which is fluidically connected to the second nozzle channel 33 formed in the connecting piece 33.
  • the keyway acting as throttle chamber 41 extends, starting from the inlet opening 45, at an angle of rotation of approximately 90 [deg.] About the inner circumference of the adjusting sleeve 31.
  • Adjustment angle of about 90 ° between the open position I and the closed position II, which are conveniently adjustable by the user intermediate positions III.

Landscapes

  • Bathtubs, Showers, And Their Attachments (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un dispositif destiné à aspirer de l'air dans l'eau conduite en direction du pommeau d'une douchette d'installation sanitaire, comprenant une buse à air (23) qui peut être mise en communication avec l'eau amenée, et qui comprend un premier et un second conduit (25, 27) de buse dont les orifices (35, 37) en regard sont superposés lorsque la buse à air (23) est en position ouverte (I), et sont décalés l'un par rapport à l'autre lorsque la buse à air est en position fermée (II). Selon l'invention au moins un des deux conduits de buse (25, 27) est évasé jusqu'à son orifice de sortie (35, 37), de manière à former une chambre de retenue (41) qui, dans une position intermédiaire (III) entre la position fermée (II) et la position ouverte (I),relie les deux conduits (25, 27) de buse.
PCT/EP2014/000209 2013-02-11 2014-01-28 Dispositif d'aspiration d'air pour douchette d'installation sanitaire Ceased WO2014121902A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013002235.5 2013-02-11
DE102013002235.5A DE102013002235B4 (de) 2013-02-11 2013-02-11 Luftansaugvorrichtung für eine Sanitärbrause

Publications (1)

Publication Number Publication Date
WO2014121902A1 true WO2014121902A1 (fr) 2014-08-14

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ID=50023526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/000209 Ceased WO2014121902A1 (fr) 2013-02-11 2014-01-28 Dispositif d'aspiration d'air pour douchette d'installation sanitaire

Country Status (2)

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DE (1) DE102013002235B4 (fr)
WO (1) WO2014121902A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108999993A (zh) * 2017-06-06 2018-12-14 邓鸣镛 节水器
DE102019105945A1 (de) * 2019-03-08 2020-09-10 Neoperl Gmbh Strahlregler

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB736131A (en) * 1952-09-29 1955-08-31 August Harder Improvements in spray guns
EP0060540A1 (fr) * 1981-03-16 1982-09-22 Hans Grohe GmbH & Co. KG Dispositif pour la formation d'une pluralité de jets d'eau aérée, en particulier pomme de douche
WO1998002250A1 (fr) * 1996-07-17 1998-01-22 Newteam Limited Dispositif d'aeration conçu, par exemple, pour une tete de douche
DE19901704A1 (de) 1999-01-18 2000-08-03 Hansgrohe Ag Sanitärgegenstand, insbesondere Handbrause, mit einer Umschalteinrichtung zur Beeinflussung einer Flüssigkeitsströmung
US6557785B1 (en) * 1998-11-19 2003-05-06 Masco Corporation Showerhead for delivering an aerated water stream by use of the venturi effect
DE102004059328A1 (de) 2004-12-01 2006-06-08 Hansgrohe Ag Brausekopf für eine Sanitärbrause
EP2351888A1 (fr) * 2010-01-11 2011-08-03 Cimplasta Srl Pommeau de douche et capsule insérable ou comprimé soluble

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1969593U (de) 1967-05-09 1967-09-28 Baiersdorf & Co Ag P Vorrichtung zum einbringen fluessiger substanzen in einen wasserstrom einer dusche.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB736131A (en) * 1952-09-29 1955-08-31 August Harder Improvements in spray guns
EP0060540A1 (fr) * 1981-03-16 1982-09-22 Hans Grohe GmbH & Co. KG Dispositif pour la formation d'une pluralité de jets d'eau aérée, en particulier pomme de douche
WO1998002250A1 (fr) * 1996-07-17 1998-01-22 Newteam Limited Dispositif d'aeration conçu, par exemple, pour une tete de douche
US6557785B1 (en) * 1998-11-19 2003-05-06 Masco Corporation Showerhead for delivering an aerated water stream by use of the venturi effect
DE19901704A1 (de) 1999-01-18 2000-08-03 Hansgrohe Ag Sanitärgegenstand, insbesondere Handbrause, mit einer Umschalteinrichtung zur Beeinflussung einer Flüssigkeitsströmung
DE102004059328A1 (de) 2004-12-01 2006-06-08 Hansgrohe Ag Brausekopf für eine Sanitärbrause
EP2351888A1 (fr) * 2010-01-11 2011-08-03 Cimplasta Srl Pommeau de douche et capsule insérable ou comprimé soluble

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108999993A (zh) * 2017-06-06 2018-12-14 邓鸣镛 节水器
DE102019105945A1 (de) * 2019-03-08 2020-09-10 Neoperl Gmbh Strahlregler

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Publication number Publication date
DE102013002235A1 (de) 2014-08-14
DE102013002235B4 (de) 2020-01-16

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