EP1042983A1 - Machine à laver vaisselle du type à tunnel - Google Patents

Machine à laver vaisselle du type à tunnel Download PDF

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Publication number
EP1042983A1
EP1042983A1 EP99107759A EP99107759A EP1042983A1 EP 1042983 A1 EP1042983 A1 EP 1042983A1 EP 99107759 A EP99107759 A EP 99107759A EP 99107759 A EP99107759 A EP 99107759A EP 1042983 A1 EP1042983 A1 EP 1042983A1
Authority
EP
European Patent Office
Prior art keywords
spray
wash
tanks
spray zone
sprayed
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.)
Withdrawn
Application number
EP99107759A
Other languages
German (de)
English (en)
Inventor
Jürgen Dr. Staffeldt
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.)
Chemische Fabrik Dr Weigert GmbH and Co
Original Assignee
Chemische Fabrik Dr Weigert GmbH and Co
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
Priority claimed from EP99106626A external-priority patent/EP1040785A1/fr
Application filed by Chemische Fabrik Dr Weigert GmbH and Co filed Critical Chemische Fabrik Dr Weigert GmbH and Co
Priority to EP99107759A priority Critical patent/EP1042983A1/fr
Publication of EP1042983A1 publication Critical patent/EP1042983A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors

Definitions

  • a belt dishwasher and a method of the aforementioned Art are known from EP-A-282 214.
  • pre-cleaned dishes pass through the spray zone in which concentrated Detergent solution is fogged up. After a certain This cleaning solution will take effect in the following Washed wash tank.
  • the invention has for its object a belt dishwasher as well as a method of the type mentioned at the beginning create that improved cleaning performance and / or have reduced cleaning agent and / or water consumption.
  • this task becomes solved in that in the spray zone in the direction of the Belt behind the first sprayer and before the following one Wash tank arranged a second spray device is for spraying fresh water and / or one of the subsequent washing or rinsing tanks of the removed fleet is formed, and that control devices are available, the one running off in the spray zone from the objects to be cleaned Liquid placed in front of the spray zone Lead the wash tank.
  • the solution is to that the sprayed cleaning solution is still in the spray zone and before the items enter the subsequent wash tank by spraying with fresh water and / or one of the subsequent washing or rinsing tanks of the removed fleet is at least partially washed off again and that the in the spray zone from the objects to be cleaned Liquid into a wash tank located in front of the spray zone is directed.
  • a belt dishwasher is a machine for cleaning dishes or the like in which the objects on a conveyor belt or a comparable one Transport device can be arranged and different treatment areas or zones of the machine.
  • the conveyor belt conveys the objects continuously through the machine.
  • this includes Also includes a so-called box transport machine, in which the dishes are discontinuously one after the other individual treatment zones.
  • wash tank denotes an area of the machine in which the objects with a large amount of liquid rinsed, in particular splashed.
  • a wash tank one below the conveyor level of the dishes arranged collection container in which there are so-called Wash liquor (also called abbreviated fleet).
  • Wash liquor also called abbreviated fleet.
  • This wash liquor is made with the help of a pump and pressure side spray nozzles connected to the pump in one area sprayed onto the dishes above the collecting container and runs from the dishes back into the container.
  • the fleet is pumped inside the wash tank constantly circulated.
  • Wash tank fleet in an amount of about 500 to 1500 l / min (often about 1000 l / min) circulated and onto the dishes sprayed.
  • wash tank is used within the To understand the invention broadly and includes such areas the machine in which a circulation of fleet to carry out a first rough pre-cleaning (a so-called Pre-clearing) or rinsing with clear or only slight contaminated water is carried out.
  • the machine according to the invention comprises a spray zone with a first spray device for spraying cleaning solution.
  • “Spraying” includes anything within the scope of the invention Apply to substantially the entire surface of the objects by means of the spray device. It can be a fine, mist-like spraying, a gush-like spraying or spraying with hard spray jets.
  • the amount of detergent solution sprayed by the spray device is usually compared to the circulated fleet amount in the wash tanks is low and is preferably about 0.2 to 10 l / min, more preferably 0.4 to 5 l / min, particularly preferably about 0.5 to 1 l / min.
  • cleaning solution actually refers to the solution brought into contact with the dishes, as a rule is obtained by diluting a cleaner with water.
  • the Detergent solution can be prepared in a ready to use in one Storage containers are present and without further dilution be brought into contact with the dishes, as a rule however, the solution from a cleaner (usually a liquid concentrate) by dilution with water.
  • the spraying device preferably sprays concentrated cleaning solution with a content of more than 0.5 wt .-% cleaning-active Components, this concentration is preferably in the range of about 1 to 10%.
  • a second spray device in the spray zone arranged the fresh water and / or one of the fleet removed from subsequent washing or rinsing tanks sprayed and in this way at least a part of that of the first spray device applied by washes the surface of the dishes again.
  • Fresh water is taken directly from the water pipe and possibly pretreated (e.g. fully demineralized) water.
  • control device denotes any facility or combination of facilities that active or passive the dripping liquid from the dishes still catch in the spray zone and in one in front Lead the wash tank.
  • the simplest passive guidance system is one in the spray zone above the liquid level arranged in front of it in the conveying direction of the belt Washer tanks arranged baffle that to the front of the spray zone located wash tank is inclined. Draining Liquid is caught by this sheet and flows in the wash tank against the transport direction of the belt.
  • a other control device can, for example, a separate collecting tank comprise from which the collected liquid either through Gravity or with the help of a separate pump in a front the spray zone arranged wash tank is directed.
  • pre-cleaning refers to the main cleaning upstream process, which is not necessarily the first Process step must be.
  • a first pre-cleaning step (Pre-rinse) to remove coarse dirt be provided.
  • Pre-rinsing or clearing advantageously takes place only with water without the addition of Detergents instead.
  • Wash liquor from subsequent cleaning cycles can be used.
  • main cleaning refers to pre-cleaning subsequent process in which the objects (the Dishes) showered and / or washed around by a washing solution become.
  • Detergents can be added to the wash liquor, the usual ingredients such as surfactants, enzymes, disinfectants and usual additives and auxiliaries such as solubilizers, Defoamers, fragrances, dyes, thickeners, Preservatives and hardness dispersants included.
  • Rinsing includes all of the Main cleaning subsequent cleaning and / or rinsing steps. In the context of the invention, it is conceivable that Main cleaning is another main cleaning step with a other cleaner connects. This second main cleaning the usual rinsing and / or rinsing then follows. As a rule, however, the main cleaning is done immediately Rinse aid (usually with a normal rinse aid), if necessary also a (further) rinse with water follow. All these Variants are included in the term "rinsing”.
  • the essence of the invention is that the sprayed cleaning solution together with the loosened dirt not in the Spray zone subsequent wash tank is washed off and the Accordingly, dirt does not circulate in the tank Fleet contaminated, but that means still in the spray zone a second spray device at least a not insignificant Part of the sprayed-on cleaner concentrate together with loosened dirt is rinsed off again and by means of Guide device arranged in front of the spray zone Wash tank is returned.
  • the separation of the dishwasher into one The "clean” and “unclean” side leads to improved overall hygiene.
  • the wash tanks located behind the spray zone circulated fleet is only relatively small contaminated, which counteracts contamination.
  • the dishes is a kind of final cleaning with only still subjected to little germ-contaminated water.
  • the invention also creates the possibility of "pure” and "impure” part of the machine using different cleaners use different spectrum of activity.
  • a highly alkaline concentrated Detergent solution are sprayed. This concentrate together
  • the loosened dirt is removed by the second spray device largely rinsed, through the control device in the "impure” wash tanks returned in the in these tanks fleet is a correspondingly smaller Detergent concentration.
  • this alkaline liquor With this alkaline liquor the pre-cleaning and / or pre-clearing carried out.
  • Enzymatic cleaner works usually at pH values in weakly acidic to weakly alkaline Area, it is therefore of particular advantage that the Alkaline detergents already largely washed off in the spray zone becomes. If either by cascading overflow of fleet with enzymatic cleaner from the "clean" in the "impure" machine part or by use the enzyme-containing washing liquor in the second spray system this enzymatic cleaner into the impure area with highly alkaline cleaner is entered, this disturbs the Cleaning effect of the highly alkaline cleaner is not.
  • the pH value of the liquor provided with a highly alkaline cleaner is with the weakly acidic or weakly alkaline fleet with enzymatic cleaner not or only slightly changed, Enzymes are usually deactivated in a highly alkaline environment.
  • the fresh water or sprayed from the second spray system The amount of liquor is adjusted so that the desired effect, namely rinsing off at least part of the sprayed Detergent solution and the dirt is reached.
  • the desired effect namely rinsing off at least part of the sprayed Detergent solution and the dirt is reached.
  • at least 0.5 l / min fresh water must be used for this purpose or fleet from the following tanks are sprayed.
  • a preferred spray rate is between 1 and 1.5 l / min.
  • it may be advantageous preheat when spraying fresh water e.g. to temperatures of 50 to 70 ° C, preferably 40 to 60 ° C.
  • the maximum amount of water or liquor from the second spray device can be sprayed according to the water balance of the entire dishwasher.
  • the whole Fresh water consumption during a normal belt dishwasher continuous operation can range, for example, in the range from 300 to 400 l / h. It is possible to feed all of this in operation First use fresh water for rinsing and spray on the dishes. The water is then in the As a rule, first of all in a collecting container arranged in the rinse zone caught and circulated again by means of a pump and sprayed onto the dishes from the rinse tank it runs gradually over cascade-shaped overflows the direction of transport of the dishes in the arranged in front Wash tanks. Runs in the first wash tank or pre-cleaning tank it overflow into the sewers.
  • the second spray device does not contain fresh water, but sprayed fleet from the subsequent tank, can be provided that this second spraying device the entire Fleet sprayed, which otherwise over the cascade Overflow overflow in the wash tank run in front of it would.
  • the maximum sprayable amount of liquor corresponds then the fresh water consumption of the machine, that is 300 to 400 l / h (5 to 6.66 l / min).
  • the invention generally prefers the supply of the second Spray system with (if necessary heated fresh water).
  • This The fresh water portion flows into the Tanks of the "impure" machine area. That part of the fresh water supplied to the machines as a whole is fed as rinse water and cascades to the the front tank of the machine overflows, is then accordingly the amount supplied via the second spray system is reduced.
  • E.g. can with a total fresh water consumption of the belt dishwasher of 300 l / h a partial flow of 80 l / h (1.333 l / min) of the second spray device.
  • the remaining partial flow of 220 l / h is then as Rinse water fed, again a part of it can, as described above, if necessary from the rinse zone branched off and bypassing the other wash tanks directly to be cleared.
  • the cascade of the "pure” in accordingly, the amount of fleet overflowing the "impure” machine part needs less cleaner to maintain the desired detergent concentration in the tank fleet or the tanks behind the spray zone.
  • the cleaning solution sprayed on in the spray zone initially undisturbed for a period of 2 to 100 s can act before being sprayed by the second sprayer is rinsed off again.
  • "Undisturbed" means that during spraying with cleaning solution can be continued, for example, the dishes by the Spray cone of the corresponding spray device passes through, but that the wetted surface is not, or at most insignificant with fresh water or liquor from the second spray device is sprayed, which washes the cleaning solution again. It is therefore preferred that the spray cone first and second spray device with each other or overlap only marginally.
  • a conveyor belt 2 runs through a stainless steel housing 1 the objects to be cleaned (dishes or the like) to be ordered.
  • the conveyor belt can, as in the state known in the art, suitable holding devices for the objects exhibit.
  • the belt dishwasher has six zones on, this is the pre-clearing in the direction of the dishes (Removal of coarse dirt), the first wash tank (Pre-cleaning), the spray zone, the second wash tank, one Rinse zone and a drying zone. These zones are in the Drawing marked accordingly.
  • At 3 indicated flexible Curtains can be used to separate individual zones from each other are provided. Feeding a partial flow of The dishwasher is supplied with fresh water through the pipe 4 to the rinse nozzles 5.
  • the line 4 supplied water in a not shown in the drawing Heating heated to a temperature of 80 to 85 ° C.
  • the draining water is in a collecting container 6 caught and by means of the pump 7 the second rinse nozzle set 8 fed.
  • the rinse water used flows in the Counterflow to the direction of the dishes over at 9, 10 and 11 indicated baffles in the collecting container 12, 13 or 14 of the second and first wash tanks and the pre-clearing tank.
  • the pre-clearing water 14 becomes the pre-clearing water discharged into the sewage system by means of the overflow 15 and possibly reprocessed.
  • the first and second wash tanks is the in the associated receptacles 12, 13 and 14 located Fleet using powerful pumps 16, 17, 18 and nozzle sets 19, 20, 21 circulated and in hard rays on the in dishes are injected into the respective tank.
  • the performance each pump 16, 17 and 18 and thus the amount of circulated Water in each tank is around 1000 l / min.
  • first spray device 22 In the spray zone are a first spray device 22 and a second spray device 23 is arranged.
  • the first spray device 22 sprayed so-called application solution (aqueous Active cleaner solution with a content of 0.5 to 10 wt .-% Cleaning components) in an amount of about 0.5 l / min.
  • application solution aqueous Active cleaner solution with a content of 0.5 to 10 wt .-% Cleaning components
  • the spray nozzles of this first spray device 22 are preferred trained so that they have a fine operation Let the spray come out and thus what passes beneath them Wet dishes.
  • the second spray device 23 sprays (possibly heated) Fresh water in an amount of 1.33 l / min.
  • Liquid dripping from the dishes is removed from the baffle 10 caught and flows into the container 13 of the first Wash tanks.
  • the one sprayed by the first spray device 22 Cleaner is therefore also used in the fleets of tanks 13 and 14 for establishing a certain detergent concentration used, if necessary, additional detergent can be metered into the tank 13 are used to produce a higher concentration.
  • the dishes When the machine is operating, the dishes first run through the Pre-clearing in which it comes from the nozzles 21 with liquor from the Collection container 14 is sprayed. This leaves coarse food scraps away.
  • a first cleaning takes place in the subsequent first wash tank with circulated liquor from the collecting tank 13 instead of.
  • the speed of the conveyor belt 2 is set so that the cycle time of the dishes through the spray zone is a total of about 20 s.
  • the first spray device 22 continuously sprays the so-called Application solution. This can last for a period of act on the wetted surface of the dishes for about 10 s, before the dishes in the spray cone which is also continuous spraying second spray device 23 occurs. A large part of the sprayed-on cleaner together with the dissolved Dirt is removed from the second spray device 23 rinsed off again, the flowing liquid flows by means of the guide plate 10 in the collecting container 13 of the first Wash tanks back. The dishes leave the spray zone in a relatively clean condition.
  • This wash tank is again in the conventional way Cleaning with circulated liquor from the collection container 12 performed.
  • a separate, Device cleaner not shown in the drawing dosed in a desired concentration. It can act on the same cleaner as it was from the first Spray device 22 is sprayed, alternatively one can Use another cleaner that is particularly good for removal the remaining dirt residue is suitable.
  • the possibility a combination of highly alkaline and enzymatic Cleaner has already been described above.
  • the finally cleaned dishes then go through the Rinsing and the drying zone.
  • the entire Fresh water supply divided into two sub-flows the rinsing nozzles 5 on the one hand and the second spray device 23 on the other hand is supplied.
  • the amount of water supplied to the second spray device 23 will usually remain unchanged.

Landscapes

  • Washing And Drying Of Tableware (AREA)
EP99107759A 1999-03-31 1999-04-19 Machine à laver vaisselle du type à tunnel Withdrawn EP1042983A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99107759A EP1042983A1 (fr) 1999-03-31 1999-04-19 Machine à laver vaisselle du type à tunnel

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99106626A EP1040785A1 (fr) 1999-03-31 1999-03-31 Procédé pour laver des objets
EP99106626 1999-03-31
EP99107759A EP1042983A1 (fr) 1999-03-31 1999-04-19 Machine à laver vaisselle du type à tunnel

Publications (1)

Publication Number Publication Date
EP1042983A1 true EP1042983A1 (fr) 2000-10-11

Family

ID=26152950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99107759A Withdrawn EP1042983A1 (fr) 1999-03-31 1999-04-19 Machine à laver vaisselle du type à tunnel

Country Status (1)

Country Link
EP (1) EP1042983A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004030003A1 (de) * 2004-06-22 2006-01-12 Premark Feg L.L.C. (N.D.Ges.D. Staates Delaware), Wilmington Spülmaschinen-Betriebsverfahren und Transportspülmaschine
DE102004030010A1 (de) * 2004-06-22 2006-01-12 Premark Feg L.L.C., Wilmington Spülmaschinen-Betriebsverfahren und Transportspülmaschine
DE102005030720A1 (de) * 2005-07-01 2007-01-04 Premark Feg L.L.C., Wilmington Transportgeschirrspülmaschine und Betriebsverfahren hierfür
WO2007021577A1 (fr) * 2005-08-18 2007-02-22 Premark Feg L.L.C. Lave-vaisselle à convoyeur
EP1586263A3 (fr) * 2004-04-12 2007-12-05 Matsushita Electric Industrial Co., Ltd. Procédé de nettoyage et lave-vaisselle utilisant ce procédé
DE102007025434B3 (de) * 2007-05-31 2009-01-08 Meiko Maschinenbau Gmbh & Co.Kg Geschirrspülmaschine mit Wasserwechsel
DE102007062953A1 (de) * 2007-12-21 2009-06-25 Premark Feg L.L.C., Wilmington Geschirrspülmaschine in Form eines Programmautomaten und Verfahren zu deren Betrieb
WO2009152048A1 (fr) * 2008-06-13 2009-12-17 Premark Feg L.L.C. Lave-vaisselle à transporteur, en particulier lave-vaisselle à transporteur de panier commercial, et son procédé de fonctionnement
DE102009024569A1 (de) * 2009-06-08 2011-04-07 Premark Feg L.L.C., Wilmington Transportspülmaschine zum Spülen von Spülgut sowie Verfahren zum Betrieb einer derartigen Transportspülmaschine
US7938913B2 (en) 2005-07-29 2011-05-10 Premark Feg L.L.C. Conveyor dishwasher and operating method for same
US8342194B2 (en) 2005-08-20 2013-01-01 Premark Feg L.L.C. Conveyor ware washer
EP2545839A1 (fr) * 2011-07-15 2013-01-16 Comenda Ali S.p.A. Station de rinçage à plusieurs étages améliorée pour lave-vaisselle à tunnel, et lave-vaisselle à tunnel équipé d'une telle station
CN104352209A (zh) * 2004-06-22 2015-02-18 浦瑞玛柯Feg有限责任公司 传送带式餐具清洗机及其运行方法
US10390675B2 (en) 2015-06-01 2019-08-27 Illinois Tool Works Inc. Warewash machine cleaning notification and in-situ dilution process
DE202022105026U1 (de) 2022-09-07 2024-01-12 Stockmeier Chemie Gmbh & Co. Kg Bandspülmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH526948A (de) * 1972-01-27 1972-08-31 Hildebrand Ed Ing Ag Verfahren zum Waschen von Geschirr
EP0838190A2 (fr) * 1996-10-25 1998-04-29 Premark FEG L.L.C. Machine à laver la vaisselle type tunnel et procédé pour nettoyer la vaisselle et/ou les plateaux
US5846339A (en) * 1993-11-20 1998-12-08 Diversey Lever, Inc. Machine dishwashing process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH526948A (de) * 1972-01-27 1972-08-31 Hildebrand Ed Ing Ag Verfahren zum Waschen von Geschirr
US5846339A (en) * 1993-11-20 1998-12-08 Diversey Lever, Inc. Machine dishwashing process
EP0838190A2 (fr) * 1996-10-25 1998-04-29 Premark FEG L.L.C. Machine à laver la vaisselle type tunnel et procédé pour nettoyer la vaisselle et/ou les plateaux

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1586263A3 (fr) * 2004-04-12 2007-12-05 Matsushita Electric Industrial Co., Ltd. Procédé de nettoyage et lave-vaisselle utilisant ce procédé
US7699938B2 (en) 2004-04-12 2010-04-20 Panasonic Corporation Cleaning method and dishwasher using same
DE102004030003A1 (de) * 2004-06-22 2006-01-12 Premark Feg L.L.C. (N.D.Ges.D. Staates Delaware), Wilmington Spülmaschinen-Betriebsverfahren und Transportspülmaschine
WO2006007235A1 (fr) * 2004-06-22 2006-01-19 Premark Feg L.L.C. Lave-vaisselle a convoyeur et procede pour le faire fonctionner
WO2006007234A3 (fr) * 2004-06-22 2006-03-02 Premark Feg Llc Lave-vaisselle a convoyeur et procede pour le faire fonctionner
WO2006007234A2 (fr) * 2004-06-22 2006-01-19 Premark Feg L.L.C. Lave-vaisselle a convoyeur et procede pour le faire fonctionner
CN104352209B (zh) * 2004-06-22 2018-01-05 浦瑞玛柯Feg有限责任公司 传送带式餐具清洗机及其运行方法
CN104352209A (zh) * 2004-06-22 2015-02-18 浦瑞玛柯Feg有限责任公司 传送带式餐具清洗机及其运行方法
CN1972620B (zh) * 2004-06-22 2013-05-29 浦瑞玛柯Feg有限责任公司 传送带式餐具清洗机及其运行方法
DE102004030010A1 (de) * 2004-06-22 2006-01-12 Premark Feg L.L.C., Wilmington Spülmaschinen-Betriebsverfahren und Transportspülmaschine
US8092614B2 (en) 2004-06-22 2012-01-10 Premark Feg L.L.C. Conveyor dishwasher comprising a plurality of final-rinse liquid spray jets and method of use thereof
DE102005030720A1 (de) * 2005-07-01 2007-01-04 Premark Feg L.L.C., Wilmington Transportgeschirrspülmaschine und Betriebsverfahren hierfür
US7938913B2 (en) 2005-07-29 2011-05-10 Premark Feg L.L.C. Conveyor dishwasher and operating method for same
WO2007021577A1 (fr) * 2005-08-18 2007-02-22 Premark Feg L.L.C. Lave-vaisselle à convoyeur
US8342194B2 (en) 2005-08-20 2013-01-01 Premark Feg L.L.C. Conveyor ware washer
DE102007025434B3 (de) * 2007-05-31 2009-01-08 Meiko Maschinenbau Gmbh & Co.Kg Geschirrspülmaschine mit Wasserwechsel
US7892359B2 (en) 2007-12-21 2011-02-22 Premark Feg L.L.C. Dishwasher in the form of a programmable machine and its operating method
DE102007062953A1 (de) * 2007-12-21 2009-06-25 Premark Feg L.L.C., Wilmington Geschirrspülmaschine in Form eines Programmautomaten und Verfahren zu deren Betrieb
WO2009152048A1 (fr) * 2008-06-13 2009-12-17 Premark Feg L.L.C. Lave-vaisselle à transporteur, en particulier lave-vaisselle à transporteur de panier commercial, et son procédé de fonctionnement
DE102009024569A1 (de) * 2009-06-08 2011-04-07 Premark Feg L.L.C., Wilmington Transportspülmaschine zum Spülen von Spülgut sowie Verfahren zum Betrieb einer derartigen Transportspülmaschine
EP2545839A1 (fr) * 2011-07-15 2013-01-16 Comenda Ali S.p.A. Station de rinçage à plusieurs étages améliorée pour lave-vaisselle à tunnel, et lave-vaisselle à tunnel équipé d'une telle station
EP2881028A1 (fr) * 2011-07-15 2015-06-10 Comenda Ali S.p.A. Module de rinçage multi-étages amélioré pour lave-vaisselle tunnel et lave-vaisselle tunnel équipé d'un tel module
EP2881028B1 (fr) 2011-07-15 2016-06-29 Comenda Ali S.p.A. Module de rinçage multi-étages amélioré pour lave-vaisselle tunnel et lave-vaisselle tunnel équipé d'un tel module
EP2545839B2 (fr) † 2011-07-15 2022-04-27 Ali Group S.r.l. Station de rinçage à plusieurs étages améliorée pour lave-vaisselle à tunnel, et lave-vaisselle à tunnel équipé d'une telle station
US10390675B2 (en) 2015-06-01 2019-08-27 Illinois Tool Works Inc. Warewash machine cleaning notification and in-situ dilution process
DE202022105026U1 (de) 2022-09-07 2024-01-12 Stockmeier Chemie Gmbh & Co. Kg Bandspülmaschine

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