EP0254023B1 - Einspül- und Dosiergerät - Google Patents

Einspül- und Dosiergerät Download PDF

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Publication number
EP0254023B1
EP0254023B1 EP87108563A EP87108563A EP0254023B1 EP 0254023 B1 EP0254023 B1 EP 0254023B1 EP 87108563 A EP87108563 A EP 87108563A EP 87108563 A EP87108563 A EP 87108563A EP 0254023 B1 EP0254023 B1 EP 0254023B1
Authority
EP
European Patent Office
Prior art keywords
cover
housing
cleaning material
sieve insert
sieve
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
EP87108563A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0254023A1 (de
Inventor
Kay Bödecker
Robert Scheurl
Hans-Erwin Strasser
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.)
Ecolab Engineering GmbH
Original Assignee
Lang Apparatebau 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 Lang Apparatebau GmbH filed Critical Lang Apparatebau GmbH
Priority to AT87108563T priority Critical patent/ATE57086T1/de
Publication of EP0254023A1 publication Critical patent/EP0254023A1/de
Application granted granted Critical
Publication of EP0254023B1 publication Critical patent/EP0254023B1/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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4436—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of a detergent solution made by gradually dissolving a powder detergent cake or a solid detergent block
    • 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 a device for the preparation of a suspension from a supply of powdered, granular or block-shaped cleaning material by spraying water by means of nozzles into a container containing the cleaning material and provided with a pivoting lid and a sieve for the metered addition of detergent, in particular for commercial dishwashers .
  • Devices for creating suspensions from a supply of cleaning material for metered addition of cleaning agent to commercial dishwashers have hitherto been known, in particular, for block-shaped cleaning material. These are generally adapted to certain dimensions of the cleaner and are not suitable for the use of powdered or granular detergent material. Powdery cleaning material cannot be dissolved in such devices in a targeted and metered manner and clumps in them. Therefore, it is still common today to feed small and medium-sized dishwashing detergent powder by manual metering, for example by adding powder directly from the packaging. Skin contact with the cleaning material cannot always be excluded. There is also the risk that when refilling cleaning material, residual amounts of suspension still present in the device will spray out.
  • block-shaped cleaning material for dishwashers is cast, for example, in cartridges which are relatively expensive to manufacture.
  • DE-U 8 405 194 discloses a induction pan for powdered detergent or dishwashing detergent for use in washing machines or dishwashers with a grille body which retains the powdery detergent or dishwashing detergent, in which the grille body acts as one in the induction pan insertable detergent or detergent receptacle is formed, which is separated from the induction pan wall by a gap.
  • the object of the invention is to provide a solution which enables the cleaning material to be conveniently and easily handled during filling, as well as a good and safe dissolution and rinsing out of the cleaning material.
  • this object is achieved according to the invention by a sieve insert receiving the cleaning material, at least one sieve insert with the cover being swung open from its horizontal position of use against the inside of the spring element pivoting outwards with respect to the vertical housing axis and at least a arranged on the pivotable cover closure element which, when the cover is pivoted into the closed position, grasps the sieve insert and pivots it against the force of the spring element into its horizontal use position and holds it there.
  • the device according to the invention enables the operator to receive a convenient and simple filling with powder, granular or block-shaped cleaning material when the screen insert inclines the operator when the lid is swung open.
  • the invention provides two cross-sectionally substantially nose-shaped closure elements which, when the cover is pivoted into the closed position, capture side webs formed on the screen insert and, in the closed position, rest on the side webs with at least a portion of their edge surface facing away from the lid.
  • this special design ensures problem-free pivoting of the lid and the sieve insert.
  • it makes a contribution to securing the cover against unintentional opening, since due to the fact that the edge surfaces on the side webs facing away from the lid fit during the opening process, the tips of the closure elements first slide along the side webs before they are lifted off by the pivoting movement of the lid. The resulting frictional force counteracts the opening movement of the cover.
  • the invention provides that the cover has a step and in the area of its extent essentially two thirds the width of the top of the housing and essentially one fifth the height of the front of the housing. This configuration results in a sufficiently large fill opening for a convenient filling of the device with cleaning material when the lid is pivoted open.
  • the invention provides above the cleaner material in the region of the housing top wall which is not formed by the cover at an angle a of 5 to 10 °, with respect to the vertical housing axis, and arranged injectors which are aligned with the cleaner material.
  • injectors which are aligned with the cleaner material.
  • the device has a liquid level limiter arranged in the area of a drain opening with a lower opening in the bottom area of the housing and an upper opening approximately at the level of the maximum fill level of the cleaning material, as is further provided by the invention. This prevents
  • the invention provides in a further embodiment that the housing base has a gradient of 5 to 15 ° to the drain opening from at least three housing sides with respect to the horizontal positioning level of the sieve insert and the sieve insert is arranged above this housing base area. This avoids that about a suspension residue remains in the device, in the liquid level of which the bottom of the sieve insert is immersed, which could lead to splashing out of liquid when filled with cleaning material.
  • a sieve insert with a mesh size of 0.25 mm is advantageous for filling the device with conventional powdered cleaning material.
  • this mesh size prevents too much powder material from trickling through the sieve insert during filling and thereby hindering even suspension formation, but on the other hand ensures that there are sufficiently large water passage openings for spraying from the nozzle.
  • the invention further provides a sieve insert with mesh sizes of 0.25 mm or round holes from 0.6 to 0.8 mm in diameter.
  • the invention provides, in a further embodiment, an element arranged in the edge region of the cover and protruding into the housing interior or a chamber, in particular a magnet Hall element, for conveying the closed cover position to a device influencing the water supply.
  • the device according to the invention is characterized in a further embodiment by a chamber formed in the housing for receiving a circuit board which influences the water supply and is actually connected to a conductivity measurement and is equipped with electronic components.
  • the device designated overall by 1 consists of a housing 2 with a cover 3 which can be swung open.
  • the housing 2 and the cover 3 enclose a housing interior 4 for the preparation of the suspension.
  • a chamber 5 for the water supply 6 and a chamber 7 for receiving a circuit board 9 equipped with electronic components 8 and a power supply 10 are formed in the housing 2.
  • a removable insert 11 Arranged in the interior 4 of the housing is a removable insert 11 which can be tilted in the direction of the front wall 12 of the housing 2.
  • the sieve insert (11) is open on the side which faces the removal opening of the housing 2 which can be closed by the cover 3, whereas its remaining side surfaces are limited by a sieve (not shown here) with a mesh size of 0.25 mm.
  • the sieve insert 11 is filled with a block-shaped cleaning material 13.
  • the sieve insert 11 lies on the bottom on the bottom 14 of the housing interior 4 and on supports 15.
  • the support points are aligned so that the bottom of the screen insert 11 is horizontally aligned in the use position.
  • the bottom surface 16 of the sieve insert 11 is essentially flat.
  • the sieve insert 11 may be made of stainless steel, but it may also consist of heat and chemical resistant plastic.
  • the housing base 14 has a drain opening 17, towards which the housing base 14 is oriented from three sides of the housing interior 4 with a gradient of 5 to 15 ° .
  • a connecting nipple 18 is arranged in the drain opening 17.
  • the supports 15 are arranged so that the sieve insert is always above the inclined housing bottom.
  • a spring element 20, which transmits a force to the side wall 21 of the sieve insert 11, is arranged on the rear wall 19 of the housing. This spring force tilts the sieve insert 11 when the cover 3 is pivoted open against the inside 22 of the front wall 12 of the housing, against which the sieve insert contacts an area 23 of one of its side faces.
  • two narrow, cross-sectionally nose-shaped closure elements 24 are arranged which, when the cover 3 is closed, grasp the side webs 25 of the sieve insert 11 and press it from the filling position shown in FIG. 1 into its horizontal use position and press the sieve insert 11 in during the suspension creation process hold on to this situation.
  • the closure elements 24 rest with partial regions 26 of their edge surfaces 27 facing away from the cover on the horizontal surfaces of the side webs 25.
  • the tips of the closure elements first slide along the surfaces of the side webs 25 before they are lifted off by the pivoting movement of the cover. The frictional force that occurs initially counteracts the opening movement of the cover. For this reason, closure elements are also mentioned here.
  • the side webs 25 are at the same time designed as handles for removing the sieve insert 11.
  • the cover 3 has a continuous step 28 and forms two thirds of the width B of the top of the housing and one fifth of the height H of the front of the housing in the area of its extension.
  • the orifices of the injection nozzles 31 point in the direction of the cleaning material 13.
  • the injection nozzles 31 are flat jet nozzles, the spray angles of which are indicated in FIG. 2 by the dash-dotted lines.
  • a liquid level limiter 32 protruding into the housing interior 4 is arranged above the drain opening 17.
  • This is an essentially cylindrical body which has a lower opening 33 in the region of the housing base 14 and an upper opening 34 which is approximately at the level of the maximum fill level 35 of the cleaning material 13.
  • an element 36 protruding into the chamber 5 is formed, which cooperates with a device 37 influencing the water supply.
  • a device 37 influencing the water supply In the example shown here, this may be the combination of a magnet 37 with a Hall element 36.
  • the element 36 and the device 37 act on a solenoid valve 38 arranged in the chamber 5, by means of which the water supply to the device 1 is controlled.
  • the housing 2 has two light indicators 39 in the area of the chamber 7 in the front wall thereof, which are optionally illuminated by lamps 40 or diodes arranged in the chamber 7.
  • the device 1 To fasten the device 1 to a wall or a machine part to which it is to be assigned, the device 1 has a plurality of fastening elements 41. These are partially designed as floating bearings in order to be able to compensate for any thermal expansion of the device 1.
  • the housing 2 and the cover 3 of the device consist of chemical and temperature resistant plastic, preferably of polyurethane foam.
  • the sieve insert 11 is filled with the powder, granule or block-shaped cleaning material 13. Subsequently, the device 1 is closed by pivoting back the cover 3, the closure elements 24 gripping the side webs 25 and sliding along them pushing the sieve insert 11 into its horizontal position of use on the housing base 14 and the supports 15. If a suspension is now to be created, the solenoid valve 38 opens the water inlet, whereupon water reaches the injection nozzles 31 in a manner not shown here and is sprayed onto the cleaning material 13 by means of the latter. Both hot water at a temperature of approximately 80 to 90 ° C. and cold water can be fed to the device. The cleaning material 13 dissolves in the water and forms the suspension with it.
  • a conductivity measuring device is preferably arranged, which measures the conductivity of the washing liquor in the dishwasher.
  • This conductivity measuring device interacts with the solenoid valve 38 and the circuit board 9 equipped with electronic components 8 in such a way that when a certain conductivity value in the washing liquor of the dishwasher is reached, the water supply to the injection nozzles 31 is interrupted and the water supply is opened again when a further conductivity value is reached.
  • the suspension flows along the housing base 14 to the lower opening 33 of the fill level limiter 32 and, in the case of high water supply, also through the upper opening 34, so that overflow and leakage of the suspension from the housing interior 4 is avoided.
  • the element 36 and the device 37 act in combination on the solenoid valve 38 such that the water supply to the device 1 is already present when the cover 3 is not completely closed is interrupted.
  • a transparent sight glass for observing the suspension in the housing interior 4 can be embedded in the front 12.
  • the closure elements can also be designed as brackets or molded projections arranged on the cover.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
EP87108563A 1986-06-21 1987-06-13 Einspül- und Dosiergerät Expired - Lifetime EP0254023B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108563T ATE57086T1 (de) 1986-06-21 1987-06-13 Einspuel- und dosiergeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3620900 1986-06-21
DE19863620900 DE3620900A1 (de) 1986-06-21 1986-06-21 Einspuel- und dosiergeraet

Publications (2)

Publication Number Publication Date
EP0254023A1 EP0254023A1 (de) 1988-01-27
EP0254023B1 true EP0254023B1 (de) 1990-10-03

Family

ID=6303463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108563A Expired - Lifetime EP0254023B1 (de) 1986-06-21 1987-06-13 Einspül- und Dosiergerät

Country Status (6)

Country Link
US (1) US4735228A (enrdf_load_stackoverflow)
EP (1) EP0254023B1 (enrdf_load_stackoverflow)
JP (1) JPS633832A (enrdf_load_stackoverflow)
AT (1) ATE57086T1 (enrdf_load_stackoverflow)
BR (1) BR8703083A (enrdf_load_stackoverflow)
DE (2) DE3620900A1 (enrdf_load_stackoverflow)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3804302A1 (de) * 1988-02-12 1989-08-24 Henkel Kgaa Verfahren zur einbringung eines reinigungsmittels in eine haushaltsgeschirrspuelmaschine und dafuer geeignete vorrichtungen
SE467608B (sv) * 1988-05-30 1992-08-17 Electrolux Ab Doseringsanordning foer flytande behandlingsmedel i en diskmaskin
JPH0374590U (enrdf_load_stackoverflow) * 1989-11-22 1991-07-26
JP3142602B2 (ja) * 1991-07-03 2001-03-07 株式会社ユポ・コーポレーション ラベルの付着した中空容器の製造方法
BR9107324A (pt) * 1991-10-25 1996-01-02 Diversey Corp Sistema de distribuição de detergente
DE19540608C2 (de) * 1995-10-31 2003-04-30 Bsh Bosch Siemens Hausgeraete Vorrichtung zur Reinigerzugabe für Geschirrspülmaschinen
US6915814B2 (en) * 2002-09-04 2005-07-12 Dara Cheng Transparent pipe trap with means of enhancing the biodegradation of sink effluents
DE10331464A1 (de) * 2003-05-21 2004-12-16 Aweco Appliance Systems Gmbh & Co. Kg Haushaltsmaschinenreiniger
DE102004063286B4 (de) 2004-12-29 2023-04-20 BSH Hausgeräte GmbH Geschirrspülmaschine mit einer Auflösungskammer
US7832417B2 (en) * 2006-04-20 2010-11-16 Maytag Corporation Dispenser for a drawer-type dishwasher
US7749335B2 (en) * 2006-04-20 2010-07-06 Maytag Corporation Dispenser rinse system for a drawer-type dishwasher
US20080013402A1 (en) * 2006-07-07 2008-01-17 Carl Kelley System and assembly for dissolving powders and/or diluting concentrated liquids to obtain a solution having desired concentrations of a plurality of solutes
DE102006061082A1 (de) * 2006-12-22 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einer Zugabevorrichtung für Reinigungsmittel
WO2013178686A1 (en) 2012-05-30 2013-12-05 Arcelik Anonim Sirketi A dishwasher comprising a detergent dispenser
AT514640B1 (de) 2013-07-22 2015-05-15 Hagleitner Hans Georg Messvorrichtung zur Erfassung wenigstens eines Parameters einer Flüssigkeit
US10736484B2 (en) 2015-08-31 2020-08-11 Electrolux Appliances Aktiebolag Detergent dispensing device for a dishwasher
US9936822B2 (en) * 2016-07-20 2018-04-10 Tablecraft Products Company, Inc. Garnish dispenser
EP3305969B1 (de) * 2016-10-06 2019-05-22 Miele & Cie. KG Vorratsbehälter zur anordnung in einer dosiereinrichtung eines reinigungsgeräts
PL3305970T3 (pl) 2016-10-06 2019-06-28 Miele & Cie. Kg Urządzenie dozujące
EP3473765A1 (en) * 2017-10-18 2019-04-24 Electrolux Laundry Systems Sweden AB Nozzle for supply of water to a washing machine
PL3813627T3 (pl) 2018-06-26 2022-06-06 Electrolux Appliances Aktiebolag Zmywarka do naczyń
EP3897338B1 (en) 2018-12-21 2025-06-25 Electrolux Appliances Aktiebolag Dishwasher with detergent dispenser
AU2019447499A1 (en) 2019-05-23 2021-11-04 Electrolux Appliances Aktiebolag Dishwasher with improved detergent dispenser
EP4221969B1 (en) * 2020-09-29 2025-08-20 Blackall Station Pty Ltd Dewatering apparatus
CN116212709B (zh) * 2023-02-26 2024-10-22 西北工业大学 一种制备高聚物减阻溶液的装置、方法及应用

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US3094134A (en) * 1961-03-02 1963-06-18 Fulbright Lab Inc Dispersing device
DE1956400U (de) * 1966-09-05 1967-03-02 Rowenta Metallwarenfab Gmbh Vorrichtung zum zufuehren von spuelmitteln und klarspuelmitteln oder aehnlichen zusaetzen bei geschirrspuelmaschinen.
DE1710530A1 (de) * 1967-01-21 1971-12-09 Candy Spa Verbesserung an Waschmaschinen und dergleichen Maschinen und entsprechend verbesserte Maschinen
US3912627A (en) * 1972-09-01 1975-10-14 Olin Corp Dissolving and dispensing water soluble material containing available chlorine to a swimming pool
GB1403874A (en) * 1974-03-15 1975-08-28 Eisenthal J Water mixing device
US3999750A (en) * 1975-12-08 1976-12-28 Perkins Willis E Artificial snowfall producing apparatus
US4063663A (en) * 1975-12-15 1977-12-20 Economics Laboratory, Inc. Powdered detergent dispenser
US4208376A (en) * 1978-03-13 1980-06-17 Olin Corporation Water treatment chemical dispenser with control tube
ATE11212T1 (de) * 1978-12-05 1985-02-15 Economics Laboratory, Inc. Verteiler fuer in fester blockform vorliegendes reinigungsmittel.
GB2092902B (en) * 1981-02-13 1985-01-03 Berelson Rudolf Spray mixing apparatus
DE8405194U1 (de) * 1984-02-21 1984-05-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einspuelwanne fuer pulverfoermiges wasch- oder spuelmittel zur verwendung in wasch- oder geschirrspuelmaschinen
DE8523042U1 (de) * 1985-08-09 1985-09-26 Bosch-Siemens Hausgeräte GmbH, 8000 München Haushalt-Geschirrspülmaschine

Also Published As

Publication number Publication date
JPS633832A (ja) 1988-01-08
DE3620900A1 (de) 1987-12-23
EP0254023A1 (de) 1988-01-27
DE3620900C2 (enrdf_load_stackoverflow) 1989-08-10
US4735228A (en) 1988-04-05
DE3765335D1 (de) 1990-11-08
BR8703083A (pt) 1988-03-08
ATE57086T1 (de) 1990-10-15

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