EP0168781B1 - Beimischgerät zur Abgabe von löslichen Zusatzstoffen - Google Patents

Beimischgerät zur Abgabe von löslichen Zusatzstoffen Download PDF

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Publication number
EP0168781B1
EP0168781B1 EP85108663A EP85108663A EP0168781B1 EP 0168781 B1 EP0168781 B1 EP 0168781B1 EP 85108663 A EP85108663 A EP 85108663A EP 85108663 A EP85108663 A EP 85108663A EP 0168781 B1 EP0168781 B1 EP 0168781B1
Authority
EP
European Patent Office
Prior art keywords
valve
admixer
valve body
liquid
inlet port
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
EP85108663A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0168781A3 (en
EP0168781A2 (de
Inventor
Kress + Kastner Gmbh Gardena
Original Assignee
Gardena Kress and Kastner 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
Application filed by Gardena Kress and Kastner GmbH filed Critical Gardena Kress and Kastner GmbH
Priority to AT85108663T priority Critical patent/ATE52940T1/de
Publication of EP0168781A2 publication Critical patent/EP0168781A2/de
Publication of EP0168781A3 publication Critical patent/EP0168781A3/de
Application granted granted Critical
Publication of EP0168781B1 publication Critical patent/EP0168781B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/316—Injector mixers in conduits or tubes through which the main component flows with containers for additional components fixed to the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • B01F21/22—Dissolving using flow mixing using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4891—With holder for solid, flaky or pulverized material to be dissolved or entrained

Definitions

  • the invention relates to an admixing device for dispensing soluble additives to flowing liquids, with a liquid inlet into and a liquid outlet from the device, a receptacle for the additive and a valve for the optional dispensing of additive-free and additive-containing liquid, the rotatable valve body of which has a closure section for closing a valve inlet opening and controls a liquid guide for the direct connection of the valve inlet opening to the liquid outlet and a second liquid guide for connecting the valve inlet opening to the receptacle.
  • Such an admixing device is known from DE-A-32 30 783.
  • the rotatable valve body must be able to cover both a valve inlet opening in a cylinder surface and an inlet opening in the receptacle, which is arranged in the end wall of the cylinder.
  • the valve body thus has two sealing surfaces.
  • the valve body must be inserted into the valve housing from above, after which a cover must be placed and a rotary knob attached.
  • a washing brush with a valve with the aid of which both pure water and water provided with liquid detergent can be passed into the washing brush (DE-A-20 38 625).
  • the valve is in turn a rotary valve, and there is also an opening in both the cylindrical wall of the valve housing and in the end face of the valve housing, which opening must be sealed by the valve body.
  • the receptacle for the additive is located on the side next to the rotatable valve body.
  • a similar device is known from US-A-16 77 645.
  • a rotatable valve is provided, which has two separate passages and must be sealed against a total of four bores.
  • the invention has for its object to provide an admixer for dispensing soluble additives to a flowing liquid, which still works safely with a simple and uncomplicated structure and provides a good valve control option.
  • the liquid guide to the receptacle for the additive is designed as a closed channel arranged inside the valve body, which begins in the peripheral surface of the valve body and opens into the receptacle.
  • valve body need only have one opening that can be sealed by the valve body, namely the inlet opening.
  • the outlet opening for the pure water need not be sealed any more than the outlet opening of the additional channel in the receptacle for the additive.
  • the liquid outlet from the receptacle opens into the liquid outlet of the admixing device downstream of the valve. This ensures that no backflow of pure water can occur in the receptacle, so that the valve is very simple for this reason.
  • valve has a circular cylindrical valve housing, in which the valve inlet opening is arranged, and the cylindrical valve body has at least one control edge cooperating with the valve inlet opening.
  • the valve body can advantageously be arranged transversely to the direction of the liquid flow and the receptacle can be arranged in an extension of the axis of rotation of the valve body. This results in an extremely simple construction, since the liquid channel for the additive can be designed as a bore lying in the axis of rotation, which is hit by a radial bore.
  • valve body is formed in one piece with a rotary knob and can be snapped into the valve housing. Due to the circular cylindrical design of the interior of the valve housing, the valve body can be easily snapped in, and it can engage with a shoulder on the underside of the valve housing.
  • valve body has an O-ring inserted into a groove, which lies in the area of the closure section below the valve inlet opening and in the remaining area above the valve inlet opening or vice versa.
  • O-ring inserted into a groove, which lies in the area of the closure section below the valve inlet opening and in the remaining area above the valve inlet opening or vice versa.
  • the invention further proposes that the channel leading into the receptacle for the additive is extended in a tube-like manner.
  • This type of formation of the additive enables the surface to remain essentially constant despite the tablet being worn.
  • the receptacle has an annular space, preferably radially outside the valve housing, from which the liquid is led out. This leads to an even removal of the additive.
  • the tubular extension of the channel extends into the area of the opposite container wall.
  • the container wall can preferably have a swirling device, which also ensures that the removal of the additive takes place as evenly as possible.
  • the invention proposes that the admixing device can have a handle so that it can be held in the hand of the operator. Due to the measures proposed by the invention, the admixing device can be so small and light that it can be smaller than the handle as a portable device.
  • the invention provides that it has a coupling nipple for connection to another device.
  • the opening of the additional channel in the peripheral surface of the valve body has a smaller cross section than the valve insert opening and is tubular. This allows part of the inflowing water to flow past the side of the pipe and directly to the outlet of the device.
  • the admixing device shown in FIG. 1 contains a housing 11 made of plastic, which has on its left side in FIG. 1 an attachment 13 provided with a thread 12. Through the hollow extension 13, the water can flow into the device to the valve arranged in the middle. In the thread 12 of the projection 13, a connecting nipple 15 is screwed in with the interposition of a sealing ring 14, which is designed for connection to a hose.
  • a valve housing 16 which has approximately the shape of a circular cylinder ring, is arranged within the device housing 11. On its side facing the extension 13, the valve housing has a valve inlet opening 17 which widens in a funnel shape in the direction of the extension 13.
  • a pipe socket 18 is attached, the interior of which is connected to the interior of the valve housing 16 via an opening 19, see FIG. 3.
  • the pipe socket 18 extends into the liquid outlet of the admixer.
  • the valve housing 16 has on its underside an inwardly projecting edge 20 which forms a slight reduction in the diameter of the valve housing 16.
  • a one-piece valve body 21 which can be rotated about the longitudinal axis of the cylindrical valve housing 16.
  • the valve body has an annular groove 22, 23 in its upper edge area and in its lower area, in each of which an O-ring 24 is arranged.
  • the two O-rings 24 rest on the smooth inner wall of the valve housing 16 and serve to seal the valve body.
  • the valve body is penetrated centrally by a tube 25 which is open in the direction of a receiving container 29 and runs concentrically to the axis of rotation of the valve body 21.
  • a likewise tubular extension 26 is attached from the outside of the valve body 21, which extends approximately radially and merges into the tube 25.
  • the tubular extension 26 forms an opening 27 which can be brought into alignment with the valve inlet opening 17 by rotating the valve body 21.
  • the valve body 21 On its lower side, the valve body 21 has a tubular extension 28, which is arranged in the extension of the tube 25. The water flowing into the opening 27 passes through the tubular extension 26, the tube 25 and the extension 28 down into a container 29 for receiving the additive.
  • the device housing 11 has in this area an internal thread 30 into which the container lid 31 is screwed, a seal 32 ensuring a liquid-tight seal.
  • the flat middle wall 33 of the container lid 31 has a swirling device consisting of four mutually perpendicular wings 34, which is arranged in the extension of the tube 25. The water emerging from the extension 28 is thereby swirled by the wings 34.
  • An annular space 35 is arranged outside the lower edge 20 of the valve housing 16, from which the water can pass through an opening 36 shown in FIG. 3 to the liquid outlet of the admixing device.
  • valve body 21 On the side opposite the extension 28, the valve body 21 contains a rotary knob 37 with a plate 38 which closes off the valve housing at the top.
  • a plate 38 On the underside of the plate 38, in the area of the tip 39 of the rotary knob 37, an attachment 40 is attached, which together with a housing element can serve to limit the rotary movement of the rotary knob 37.
  • FIG. 2 shows the shape of the valve body 21 again particularly clearly.
  • the first annular groove 22 with the seal 24 arranged therein.
  • a closure section 41 can be seen in FIG. 2, which is delimited by an approximately V-shaped groove 42.
  • a vertical wall 43 can be seen, in which the tube 26 with its opening 27 is contained.
  • An O-ring is inserted into the groove 42, which follows the groove 42.
  • the groove runs directly below the groove 22 and parallel to it, so that the O-ring there runs essentially parallel to the O-ring 24.
  • valve body 21 has an outwardly projecting rib 44 with an adjoining beveled shoulder 45.
  • the upper edge of the rib 44 runs approximately perpendicular to the longitudinal axis of the valve body 21, so that the rib 44 is located below the lower edge of the valve housing 16 can set.
  • the inclined shoulder 45 facilitates the insertion of the valve body.
  • the closing section 41 is arranged such that it closes the valve inlet opening 17.
  • valve body 21 If the valve body 21 is rotated such that the closure section 41 reaches the right in FIG. 2, the water flowing through the inlet opening 17 can flow past the left-hand side of the seal contained in the groove 42 and through the opening 19 visible in FIG. 3 flow out of the valve housing, the opening 19 in the valve housing need not be sealed.
  • the opening 27 of the tube 26 gradually comes into correspondence with the valve inlet opening 17, so that the water through the openings 17 and 27, the tube 25 and the extension 28 into the container 29 for gets the additive. From there, the water with the dissolved additive passes through the annular space 35 and the opening into the outer nozzle 46, which forms the liquid outlet of the admixer.
  • Fig. 3 shows in section the circular cylindrical valve housing 16 without the valve body.
  • the valve inlet opening 17 and the outlet opening 19 are arranged in the inner wall of the valve housing 16.
  • the outlet opening 19 continues in a pipe socket 18 which leads into the socket 46.
  • the valve housing 16 is surrounded by a likewise approximately circular-cylindrical wall 47, an approximately funnel-shaped line 48 establishing the fluid connection between the attachment 13 and the opening 17.
  • the liquid that passes through the valve into the container 29 for the additive can also pass from there through the annular space 35 and the opening 36 into the outlet connection 46.
  • FIG. 4 to 6 show sections through the valve housing 16 with the valve body inserted.
  • the valve body is rotated counterclockwise until the closure portion 41 has completely passed the valve inlet opening 17.
  • the water can pass directly from the opening 17 through the free space of the valve body 21 into the outlet opening 19.
  • the opening 27 of the tubular extension 26 is closed.
  • valve inlet opening is slowly closed until the position shown in FIG. 5 is reached, in which the valve inlet opening 17 is completely closed by the closure section 41.
  • the admixer is blocked.
  • the opening 27 of the extension 26 gradually reaches the area of the valve inlet opening 17 until the position shown in FIG. 6 is reached, in which the entire opening 27 lies within the valve inlet opening 17.
  • the water essentially flows through the neck 26, the pipe 25 and the extension 28 into the receptacle 29 for the additive.
  • the additive has the shape of a cylindrical tablet 53 with a longitudinal bore which is slightly larger than the diameter of the extension 28.
  • the liquid flows past both the inside and the outside of the cylinder ring, so that the surface essentially does not change when the additive is removed.
  • FIG. 7 shows a top view of the admixing device proposed by the invention.
  • a handle 49 with which the admixer can be held.
  • the handle 49 is provided with a tube 50 which is made of metal and can have a connecting nipple for attaching a further device.
  • the admixing device proposed by the invention can be used, for example, to add detergents to car wash brushes, fertilizers to fertilizers and other cleaning additives to other cleaning devices.

Landscapes

  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Detergent Compositions (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Closures For Containers (AREA)
  • Valve Housings (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Domestic Plumbing Installations (AREA)
  • Cephalosporin Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nozzles (AREA)
EP85108663A 1984-07-19 1985-07-11 Beimischgerät zur Abgabe von löslichen Zusatzstoffen Expired - Lifetime EP0168781B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85108663T ATE52940T1 (de) 1984-07-19 1985-07-11 Beimischgeraet zur abgabe von loeslichen zusatzstoffen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3426576 1984-07-19
DE3426576A DE3426576A1 (de) 1984-07-19 1984-07-19 Beimischgeraet zur abgabe von loeslichen zusatzstoffen

Publications (3)

Publication Number Publication Date
EP0168781A2 EP0168781A2 (de) 1986-01-22
EP0168781A3 EP0168781A3 (en) 1986-12-30
EP0168781B1 true EP0168781B1 (de) 1990-05-23

Family

ID=6241012

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108663A Expired - Lifetime EP0168781B1 (de) 1984-07-19 1985-07-11 Beimischgerät zur Abgabe von löslichen Zusatzstoffen

Country Status (11)

Country Link
US (1) US4671311A (xx)
EP (1) EP0168781B1 (xx)
JP (1) JPS6135833A (xx)
AT (1) ATE52940T1 (xx)
AU (1) AU578296B2 (xx)
CA (1) CA1257581A (xx)
DE (2) DE3426576A1 (xx)
DK (1) DK323485A (xx)
ES (1) ES8608611A1 (xx)
NO (1) NO159811C (xx)
ZA (1) ZA855420B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924368A1 (de) * 1999-05-27 2000-11-30 Henkel Ecolab Gmbh & Co Ohg Tensidhaltige Reinigungsformkörper

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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SE461765B (sv) * 1986-07-10 1990-03-26 Haessle Ab Anordning foer frisaettning av substans
GB2236259B (en) * 1989-09-29 1993-08-11 Phostrogen Ltd Entrainment device
GB9312843D0 (en) * 1993-06-22 1993-08-04 Spirax Sarco Ltd Condensate traps
GB2291953B (en) * 1994-08-05 1998-02-25 Spirax Sarco Ltd Condensate traps
KR0138704B1 (ko) * 1994-11-11 1998-06-15 김광호 회전분사부를 구비한 세제용해장치
US6068023A (en) * 1996-02-09 2000-05-30 Potter; Andrew M. Valve for clearing air conditioning drain lines
US5771930A (en) * 1996-12-10 1998-06-30 Fleming Sales Company, Inc. Sprinkler and root feeder valve assembly
DE19737490A1 (de) * 1997-08-28 1999-03-04 Gardena Kress & Kastner Gmbh Verfahren zum Betreiben einer Hochdruckvorrichtung, insbesondere eines Hochdruckreinigers und Hochdruckvorrichtung
US20040256489A1 (en) * 2003-03-28 2004-12-23 Grady John E. Sprinkler and root feeder assembly
ITMI20040606A1 (it) * 2004-03-29 2004-06-29 Enrico Sanvittore Dispositivo idro-miscelatore applicabile ad erogatori di acqua particolarmente di impianti igienico-sanitari per l'additivazione dell'acqua con sostanze isrosolubili
US7674313B2 (en) * 2004-09-20 2010-03-09 Dysart Corporation Controlled release fertilizer and system and method
DE202005002496U1 (de) * 2005-02-15 2005-05-04 Tisatec Gmbh Dosiereinheit für Boden- oder Pflanzenverbesserungsmittel
NZ562573A (en) * 2007-10-16 2010-02-26 Methven Ltd A dispenser and a method of filling a liquid additive container
ITMI20080200A1 (it) * 2008-02-08 2009-08-09 Enrico Sanvittore Dispositivo idro-miscelatore applicabile ad erogatori di acqua, particolarmente di impianti igienico-sanitari, per l'additivazione dell'acqua con sostanze idrosolubili.
DE102020128386A1 (de) 2020-10-28 2022-04-28 Endress+Hauser Conducta Gmbh+Co. Kg Reinigungsvorrichtung, Reinigungsmodul, Sensorsystem, Reinigungsmittel und Reinigungsverfahren
WO2024069164A1 (en) * 2022-09-29 2024-04-04 Alan David Somerfield Mixing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924368A1 (de) * 1999-05-27 2000-11-30 Henkel Ecolab Gmbh & Co Ohg Tensidhaltige Reinigungsformkörper

Also Published As

Publication number Publication date
DK323485D0 (da) 1985-07-16
ES545345A0 (es) 1986-06-16
US4671311A (en) 1987-06-09
NO159811C (no) 1989-02-08
JPS6135833A (ja) 1986-02-20
AU578296B2 (en) 1988-10-20
NO159811B (no) 1988-10-31
AU4489385A (en) 1986-01-23
NO852863L (no) 1986-01-20
CA1257581A (en) 1989-07-18
EP0168781A3 (en) 1986-12-30
DE3426576A1 (de) 1986-01-30
DK323485A (da) 1986-01-20
DE3577810D1 (de) 1990-06-28
ES8608611A1 (es) 1986-06-16
ATE52940T1 (de) 1990-06-15
EP0168781A2 (de) 1986-01-22
ZA855420B (en) 1986-03-26

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