EP4003129A1 - Haushalts-geschirrspülmaschine - Google Patents
Haushalts-geschirrspülmaschineInfo
- Publication number
- EP4003129A1 EP4003129A1 EP20744000.9A EP20744000A EP4003129A1 EP 4003129 A1 EP4003129 A1 EP 4003129A1 EP 20744000 A EP20744000 A EP 20744000A EP 4003129 A1 EP4003129 A1 EP 4003129A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray arm
- rotation
- axis
- household dishwasher
- drive shaft
- 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.)
- Granted
Links
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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
-
- 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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
-
- 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
-
- 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
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
-
- 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
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/20—Spray nozzles or spray arms
-
- 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
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/02—Pressurised cleaning liquid delivered by a pump
Definitions
- the present invention relates to a domestic dishwasher.
- a dishwasher comprises a washing container in which items to be cleaned can be accommodated.
- a rotating spray arm can be provided inside the washing compartment to apply washing solution and / or fresh water to the items to be washed.
- This spray arm can either be driven with the help of the pressure from spray nozzles of the spray arm exiting wash liquor and / or fresh water or with the help of an active drive, in particular special with the help of an electric motor.
- sensors can be provided on the spray arm, which allow a determination of the angular position of the same.
- one object of the present invention is to provide an improved household dishwasher available.
- a household dishwasher with a washing container, a spray arm for applying washing liquor and / or fresh water to items to be washed in the washing container, a drive device for actively driving the spray arm and a pump sump on which the spray arm is rotatably mounted about an axis of rotation .
- the spray arm comprises a rib geometry running around the axis of rotation, which has a coding groove running along the axis of rotation, the pump sump comprising a coding rib corresponding to the coding groove and running along the axis of rotation, which during assembly and disassembly of the spray arm along the axis of rotation can be passed through the coding groove, so that the spray arm can be mounted on and removed from the pump sump in precisely one angular position.
- the washing container is preferably cuboid.
- the washing container comprises a floor, a ceiling arranged opposite the floor, a door, a rear wall arranged opposite the closed door, and two side walls.
- Washware receptacles for receiving the washware can be provided in the wash compartment.
- an upper basket, a lower basket and a cutlery drawer are provided.
- the spray arm can be arranged below the lower basket.
- the spray arm can in particular be rotatably mounted on the floor.
- washing liquor can be understood to mean water mixed with a cleaning agent.
- the wash liquor can comprise dirt detached from the wash ware.
- the fact that the spray arm is “actively” driven is to be understood as meaning that the drive device applies a torque to the spray arm.
- An “active” drive should therefore not include, in particular, that the spray arm is set in rotation with the aid of spray nozzles.
- the drive device comprises a drive element, in particular an electric motor.
- the rib geometry “revolves” around the axis of rotation is to be understood in particular as meaning that the rib geometry has a disk-like shape that is constructed rotationally symmetrical to the axis of rotation.
- the rib geometry is interrupted.
- the rib geometry is interrupted by the coding groove along the axis of rotation.
- the fact that the coding rib "corresponds" to the coding groove is to be understood in the present case in particular as meaning that the coding rib can be guided through the coding groove along the axis of rotation.
- the coding groove and the coding rib can either touch each other or they can also be guided through without contact.
- the spray arm can be pulled out of the pump sump along the axis of rotation and pushed back into it.
- the spray arm is oriented so that the coding rib can be passed through the coding groove.
- the rib geometry with the coding groove on the boom, in particular on a bearing tube of the boom, is provided.
- the drive device comprises a drive element with a drive shaft which is rotatable about an axis of rotation.
- the drive element can be an electric motor.
- the drive shaft is in particular passed through a bore provided in a base section of the pump sump and is sealed off from the latter.
- the drive element can thus be positioned outside of a wet area of the domestic dishwasher.
- a watertight embodiment of the drive element can therefore be dispensed with.
- the axis of rotation of the spray arm and the axis of rotation of the drive shaft are arranged parallel to one another and at a distance from one another.
- the axis of rotation of the spray arm and the axis of rotation of the drive shaft are arranged “at a distance from one another” is to be understood here in particular as meaning that the two axes of rotation are arranged at a distance from one another.
- the axis of rotation of the drive shaft and the axis of rotation of the spray arm do not coincide in particular with one another.
- the axis of rotation of the spray arm is in particular the axis of rotation of the aforementioned boom.
- the domestic dishwasher further comprises a gear mechanism that bridges a distance between the axis of rotation of the spray arm and the axis of rotation of the drive shaft.
- the gear bridges the distance between the axis of rotation of the spray arm and the axis of rotation of the drive shaft
- the gear unit is suitable for transmitting a torque from the axis of rotation to the spray arm.
- the transmission can comprise a large number of gear wheels, a belt drive, a chain drive or other suitable elements for transmitting a torque.
- the drive shaft comprises an engaging section which is designed to intervene positively in a corresponding counterpart grip section of a gear so that the gear can be mounted on the drive shaft in exactly one angular position.
- the engagement section can in particular be a lateral milling or flattening of the drive shaft.
- the counter-engagement portion is accordingly a on the gear wheel, in particular on a central bore of the gear, provided protrusion, which engages positively in the engagement portion.
- a positive connection is created by the interlocking or interlocking of at least two connection partners, in the present case in the engagement section and the counter-engagement section.
- the transmission comprises a plurality of gear wheels, one of which is mounted on the drive shaft and another gear wheel engages positively in a spray arm toothing of the spray arm.
- the transmission can include three gears.
- the number of gears is basically arbitrary.
- the spray arm toothing is provided in particular on the outside of the bearing tube of the boom.
- the spray arm toothing preferably has an involute shape.
- the rib geometry viewed along the axis of rotation of the spray arm, is arranged at a distance from the spray arm toothing.
- the rib geometry is positioned between the spray arm toothing and arms of the boom.
- the rib geometry is particularly preferably positioned above the spray arm toothing.
- the rib geometry and the spray arm toothing represent different components or sections of the spray arm. However, this does not preclude the rib geometry and / or the spray arm toothing from being formed in one piece, in particular in one piece, with the spray arm, in particular with the bearing tube of the boom.
- the arms of the boom are made, for example, from polypropylene (PP), in particular glass fiber reinforced.
- the storage tube can be made of polyoxymethylene (POM).
- the bearing tube can also be used as a POM Bearing tube or POM bearing part. That is, the bearing tube and the arms can be made of different plastic materials. For example, the arms and the bearing tube can be firmly connected to one another in a plastic injection molding process with the aid of an overmolding of the different plastic materials.
- the drive element comprises a sensor device for detecting an angular position of the drive shaft.
- the sensor device can for example comprise a fork light barrier with a perforated disk, a cam disk with a switching contact or a Hall sensor.
- the spray arm can be assembled and disassembled in only one angular position, the angular position of the spray arm can be detected with the aid of the sensor device of the drive element. As mentioned above, this means that separate sensors for the spray arm can be dispensed with.
- the sensor device can in particular be positioned outside the wet area of the household dishwasher.
- the pump sump comprises a tubular pump sump dome on which the spray arm is rotatably mounted about its axis of rotation, the coding rib being provided on the inside of the pump sump dome.
- the bearing tube of the boom of the spray arm is received in the pump sump dome.
- the coding rib extends on the inside from the pump sump dome in the direction of the bearing tube.
- the coding rib does not make contact with the bearing tube.
- the coding rib can, for example, be rectangular or triangular in cross section. Accordingly, the coding groove can also have a rectangular or triangular geometry.
- the geometry of the coding rib can, however, also be based on the involute shape of the spray arm toothing or be designed in a very similar manner. The coding groove is then designed to correspond to it.
- the spray arm comprises a boom mounted rotatably on the pump sump, which is actively driven by the drive device, and a spray arm satellite rotatably mounted on the boom.
- the spray arm satellite is not actively driven, but is driven by rinsing liquor and / or fresh water exiting from spray nozzles of the spray arm satellite.
- "Recoil drives” in the present case means that the rinsing solution and / or the fresh water emerges from the spray nozzles of the spray arm satellite, causing it to rotate.
- Special drive spray nozzles can also be provided.
- the spray arm satellite can have multiple arms.
- the spray arm system preferably comprises three arms which are arranged offset from one another by 120 °.
- the spray arm satellite can, however, also comprise only two arms or more than two arms.
- FIG. 1 shows a schematic perspective view of an embodiment of a household dishwasher
- Fig. 2 shows a schematic sectional view of an embodiment of a Sprühvorrich device for the household dishwasher according to FIG. 1;
- FIG. 3 shows a further schematic sectional view of the spray device according to the section line III-III in FIG. 2.
- FIG. 1 shows a schematic perspective view of an embodiment of a domestic dishwasher 1.
- the domestic dishwasher 1 comprises a washing compartment 2 which can be closed, in particular watertight, by a door 3.
- a sealing device can be provided between the door 3 and the washing container 2.
- the washing container 2 is preferably cuboid.
- the washing container 2 can be arranged in a housing of the household dishwasher 1.
- the washing compartment 2 and the door 3 can form a washing area 4 for washing items to be washed.
- the door 3 is shown in FIG. 1 in its open position.
- the door 3 can be closed or opened by pivoting about a pivot axis 5 provided at a lower end of the door 3.
- a loading opening 6 of the washing compartment 2 can be closed or opened.
- the washing compartment 2 has a floor 7, a ceiling 8 arranged opposite the floor 7, a rear wall 9 arranged opposite the closed door 3 and two side walls 10, 11 arranged opposite one another.
- the floor 7, the ceiling 8, the rear wall 9 and the side walls 10, 11 can be made of stainless steel sheet, for example.
- the bottom 7 can be made of a plastic material.
- the domestic dishwasher 1 also has at least one washware receptacle 12 to 14.
- the washware receptacle 12 being a lower washware receptacle or a lower basket
- the washware receptacle 13 an upper washware receptacle or an upper basket
- the washware receptacle 14 a cutlery drawer.
- the items to be washed 12 to 14 are arranged one above the other in the washing compartment 2.
- Each washware receptacle 12 to 14 can optionally be moved into or out of the wash container 2.
- each washware receptacle 12 to 14 can be pushed or moved into the washing container 2 in a pushing direction E and can be pulled out or pulled out of the washing container 2 in a pull-out direction A counter to the insertion direction E.
- FIG. 2 shows a schematic sectional view of an embodiment of a Sprühvor device 15 for the household dishwasher 1.
- FIG. 3 shows a schematic Sectional view of the spray device 15 according to the section line III-III of FIG. 2. Subsequently, reference is made to FIGS. 2 and 3 simultaneously.
- the spray device 15 is arranged inside the washing compartment 2. In particular, the spray device 15 is positioned below the washware receptacle 12.
- the Sprühvorrich device 15 can be positioned on the floor 7.
- the spray device 15 comprises a spray arm 16 for applying washing liquor and / or fresh water F to the items to be washed (not shown) in the washing compartment 2.
- the spray arm 16 comprises a boom 17, which is actively driven, as well as a rotatably mounted on the boom 17 Spray arm satellite 18.
- the spray arm satellite 18 may have multiple arms. For example, the spray arm satellite 18 can have three arms which are arranged offset from one another at an angle of 120 °.
- the boom 17 may have Sprühdü sen, not shown.
- the spray arm satellite 18 is not actively driven. This means that the spray arm satellite 18 does not have its own drive device.
- the spray arm satellite 18 is recoil-driven with the aid of the washing liquor and / or the fresh water F.
- "recoil-driven” is to be understood as meaning that the spray arm satellite 18 has several spray nozzles not shown, through which the washing liquor and / or the fresh water F can exit from the spray arm satellite 18 and set it in rotation.
- the boom 17 is actively driven. Alternatively, however, the boom 17 can also be recoil driven.
- the boom 17 comprises a first arm 19 on which the spray arm satellite 18 is rotatably mounted, as well as a second arm 20.
- the arms 19, 20 can have spray nozzles (not shown). Two such arms 19, 20 are preferably provided.
- the number of arms 19, 20 is arbitrary. Exactly one arm 19, 20 or more than two arms 19, 20 can also be provided.
- Both the spray arm satellite 18 and the boom 17 are hollow so that the washing liquor and / or the fresh water F can flow through the boom 17 and the spray arm satellite 18.
- the arms 19, 20 of the boom 17 are connected to a venturi tube or bearing tube 21.
- the bearing tube 21 is a venturi tube or can be referred to as a venturi tube.
- the bearing tube 21 can also be referred to as a bearing part will.
- the bearing tube 21 is suitable for supplying the washing solution and / or the fresh water F to the arms 19, 20.
- the bearing tube 21 can have a conical shape.
- On the outside of the bearing tube 21 there is provided a spray arm toothing 22 with a plurality of teeth.
- the arms 19, 20 are made, for example, of polypropylene (PP), in particular glass fiber reinforced.
- the bearing tube 21, however, can be made of polyoxymethylene (POM). Accordingly, the bearing tube 21 can also be referred to as a POM bearing tube or POM bearing part. That is, the bearing tube 21 and the arms 19, 20 can be made of different plastic materials ien. For example, the arms 19, 20 and the bearing tube 21 can be firmly connected to one another in a plastic injection molding process with the aid of an overmolding of the various plastic materials.
- POM polyoxymethylene
- the arms 19, 20 can be designed in one piece, in particular in one piece of material. "One part” means here that the arms 19, 20 form a common component and are not composed of different components. "One-piece material” means in the present case that the arms 19, 20 are made entirely of the same material. Accordingly, the bearing tube 21 and the spray arm toothing 22 can also be formed in one piece, in particular in one piece of material.
- the bearing tube 21 comprises a conical or conical cavity 23 through which the washing solution and / or the fresh water F can flow into cavities 24, 25 of the arms 19, 20.
- the spray arm 16, in particular the boom 17, is assigned a rotation axis 26 about which the spray arm 16, in particular the boom 17, can be rotated.
- a rib geometry 27 running around the axis of rotation 26 is provided on the spray arm 16, in particular on the boom 17.
- the rib geometry 27 is provided in particular on the bearing tube 21.
- the rib geometry 27 is formed in one piece, in particular in one piece, with the bearing tube 21.
- the rib geometry 27 runs around the axis of rotation 26 in the form of a disk.
- the rib geometry 27 is arranged between the spray arm toothing 22 and the arms 19, 20.
- the rib geometry 27, viewed along the axis of rotation 26, is positioned at a distance from the spray arm toothing 22.
- the rib geometry 27 includes a coding groove 28 running along the axis of rotation 26, the function of which will be explained below.
- the coding groove 28 is one that runs along the axis of rotation 26 ok
- the rib geometry 27 is an interruption of the rib geometry. This means that the rib geometry 27 runs completely around the bearing tube 21, except for the coding groove 28.
- the spray device 15 further comprises a pump sump 29.
- the pump sump 29 is preferably a plastic injection-molded component.
- the pump well 29 has a disk-shaped base section 30. In the orientation of FIG. 2 on the top side, a tubular pump well dome 31 extends out of the base section 30. The pump well dome 31 extends in the direction of the ceiling 8.
- the bearing tube 21 is received and rotatably mounted. The type of mounting of the bearing tube 21 in the pump well dome 31 is not shown in FIG. 2, however.
- the pump well dome 31 comprises a radial opening 32.
- "Radial” is to be understood here in relation to a radial direction R of the pump well dome 31.
- the radial direction R is oriented away from the axis of rotation 26 and perpendicular to it.
- the opening 32 thus breaks through the pump sump dome 31 in the radial direction R.
- the opening 32 can be rectangular.
- the pump well dome 31 further comprises a coding rib 33 corresponding to the coding groove 28.
- the coding rib 33 extends on the inside out of the tubular pump well dome 31 in the direction of the bearing tube 21 without contacting it.
- the coding rib 33 runs along the axis of rotation 26.
- the coding rib 33 can be passed along the axis of rotation 26 through the coding groove 28 during a Mon day and dismantling of the spray arm 16, in particular the boom 17, so that the spray arm 16, in particular the Cantilever 17, can be mounted in only one angular position on the pump well 29 and can be removed from it again.
- the coding rib 33 can have a rectangular or triangular geometry.
- the geometry of the coding rib 33 can, however, also be based on an involute shape of the spray arm toothing 22 or be designed in a very similar manner.
- the coding groove 28 is then designed correspondingly to it.
- the spray device 15 further comprises a drive device 34 for actively driving the spray arm 16.
- the drive device 34 comprises a drive element 35, in particular an electric motor, with a drive shaft 36, which is in operation of the drive drive device 34 rotates about an axis of rotation 37.
- “actively driven” thus means that the spray arm 16 is set in rotation with the aid of the drive element 35 and not with the aid of spray nozzles.
- the axis of rotation 37 of the drive shaft 36 and the axis of rotation 26 of the spray arm 16 are arranged parallel to one another and spaced apart by a distance a from one another.
- the drive element 35 comprises a sensor device 38 with the aid of which an angular position of the drive shaft 36 can be detected.
- the sensor device 38 can comprise, for example, a fork light barrier and a perforated disk or a cam disk and a switching contact or a Hall sensor.
- the type of configuration of the Sen sor arthritis 38 is arbitrary. Any type of sensor is suitable for the sensor device 38, with the aid of which the angular position of the drive shaft 36 can be detected.
- the drive shaft 36 is passed through a bore 39 provided in the base section 30 of the pump sump 29.
- the drive shaft 36 is sealed with the aid of a sealing element 40, in particular with the aid of a shaft sealing ring, in a fluid-tight manner with respect to a cylindrical receiving section 41 of the pump sump 29.
- the drive device 34 also includes a gear 42 for torque transmission from the drive shaft 36 to the spray arm 16, in particular to the spray arm toothing 22 of the boom 17.
- the gear 42 can also be referred to as a gear box, gear module or gear unit.
- the transmission 42 can include straight or helical toothed gears 43 to 45, a bevel gear, a belt drive or a chain drive.
- the gears 43 to 45 bridge the distance a between the drive shaft 36, in particular the axis of rotation 37, and the spray arm 16, in particular the axis of rotation 26.
- the number of gears 43 to 45 is basically arbitrary.
- the transmission 42 comprises a transmission housing 46 in which the gears 43 to 45 are rotatably mounted. So a first gear 43 is rotatably mounted about the axis of rotation 37 in the gear housing 46, a second gear 44 is rotatably mounted about an axis of rotation 47 in the gear housing 46 and a third gear 45 is rotatably mounted about an axis of rotation 48 in the gear housing 46.
- the first gear 43 is rotationally coupled to the drive shaft 36.
- the drive shaft 36 has an engaging section 49 in the form of a lateral flattening or milling.
- the first gear 43 has a counter-engagement section 50 which corresponds to the engagement section 49.
- the engagement portion 49 and the counter-engagement portion 50 engage with each other in a form-fitting manner.
- a positive connection is created by the interlocking or interlocking of at least two connection partners, in the present case the engagement section 49 and the counter engagement section 50.
- the A handle section 49 and the counter engagement section 50 can, however, also be a Keilwel steering contour with a corresponding coding tooth.
- the third gear 45 meshes with the spray arm toothing 22, the second gear 44 being arranged between the gear wheels 43, 45.
- the axes of rotation 26, 37, 47, 48 are arranged parallel to one another and at a distance from one another.
- the spray arm satellite 18 rotates about an axis of rotation 51 on the boom 17.
- the axes of rotation 26, 51 are arranged at a distance b from one another.
- the axes of rotation 26, 51 are positioned parallel to one another.
- the pump well 29 is also assigned a screen system 52, under which the gear 42 is arranged. That is, the gear 42 is positioned between the base portion 30 of the pump well 29 and the strainer system 52. In this way, contamination of the transmission 42 can be prevented.
- the sieve system 52 can be in several parts and include a fine sieve and a coarse sieve.
- the spray device 15 When the household dishwasher 1 is in operation, the washing liquor and / or the fresh water F is conveyed with the aid of a circulating pump (not shown) and supplied to the spray arm 16.
- the rinsing solution and / or the fresh water F is fed to the Sprüharmsa satellite 18 via the boom 17.
- This is set in rotation about the axis of rotation 51 by the washing liquor and / or fresh water F emerging from the spray nozzles (not shown).
- the spray arm 16 itself is set in rotation about the axis of rotation 26 with the aid of the drive device 34.
- the speed of the boom 17 can be set as desired.
- the speed of the boom 17 can also change during a wash program.
- the boom 17 can also remain in a preselected position so that an intensive wash zone can be implemented, which is acted upon with washing liquor and / or fresh water F with the help of the spray arm satellite 18 without the boom 17 rotating.
- the spray arm 16 can only be pulled out of the pump sump dome 31 in a withdrawal direction AR along the axis of rotation 26 if, as shown in FIG. 3, the coding rib 33 is viewed along the axis of rotation 26 is positioned exactly above the coding groove 28.
- the angular position of the drive shaft 36 of the drive element 35 can be detected with the aid of the sensor device 38. That is, the position of the intermeshing gears 43 to 45 is also known.
- the spray arm 16 can only be reassembled when the Ko diernut 28 is located exactly above the coding rib 33. Only then can the spray arm 16 be pushed or introduced into the pump sump dome 31 in an insertion direction ER in such a way that the spray arm toothing 22 engages with the third gear 45 in a form-fitting manner.
- the spray arm 16 can always be positioned at 6 o'clock for assembly and disassembly purposes. It is therefore possible to determine the angle and position control of the spray arm 16 via the sensor device 38 of the drive element 35.
- Additional sensors for detecting the angular position of the spray arm 16, in particular the boom 17, can be dispensed with.
- sensors in the domestic dishwasher 1 can be dispensed with in the wet area.
- a clear assembly and disassembly is possible in only one position.
- a poka-yoke solution can thus be achieved.
- Multi-stage gears including translations in the gears 43 to 45 are also possible.
- Positioning is also possible using other types of torque transmission, for example with the aid of a V-belt or a toothed belt.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019211403.2A DE102019211403A1 (de) | 2019-07-31 | 2019-07-31 | Haushalts-Geschirrspülmaschine |
| PCT/EP2020/070116 WO2021018614A1 (de) | 2019-07-31 | 2020-07-16 | Haushalts-geschirrspülmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4003129A1 true EP4003129A1 (de) | 2022-06-01 |
| EP4003129B1 EP4003129B1 (de) | 2024-09-18 |
Family
ID=71741781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20744000.9A Active EP4003129B1 (de) | 2019-07-31 | 2020-07-16 | Haushalts-geschirrspülmaschine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11696667B2 (de) |
| EP (1) | EP4003129B1 (de) |
| CN (1) | CN114206188B (de) |
| DE (1) | DE102019211403A1 (de) |
| WO (1) | WO2021018614A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021205923A1 (de) * | 2021-06-11 | 2022-12-15 | BSH Hausgeräte GmbH | Haushalts-Geschirrspülmaschine und Verfahren |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10351785A1 (de) * | 2003-11-06 | 2005-06-09 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur Ansteuerung von Sprühkanälen in Geschirrspülmaschinen |
| DE102010042576A1 (de) * | 2010-10-18 | 2012-04-19 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit zumindest einer Sprüheinrichtung |
| DE102011089319B3 (de) | 2011-12-20 | 2013-03-14 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit in Längsrichtung beweglichem Sprüharm |
| US9763554B2 (en) * | 2012-02-14 | 2017-09-19 | Premark Feg L.L.G. | Warewash machine with removable rotating arm and related method |
| ITTO20120200A1 (it) * | 2012-03-08 | 2013-09-09 | Bitron Spa | Dispositivo per la movimentazione di giranti di lavaggio per dispositivi di lavaggio e o asciugatura. |
| US9220393B2 (en) * | 2012-09-13 | 2015-12-29 | Whirlpool Corporation | Dishwasher with controlled rotation of lower spray arm |
| WO2015090461A1 (en) * | 2013-12-20 | 2015-06-25 | Electrolux Appliances Aktiebolag | Arrangement for a dishwasher for creating a wash zone with selectable position |
| US9655494B2 (en) * | 2014-06-05 | 2017-05-23 | Wolf Appliance, Inc. | Dishwasher filtration system |
| CN104523208B (zh) * | 2015-01-08 | 2017-08-25 | 佛山市顺德区美的洗涤电器制造有限公司 | 喷臂装置及洗碗机 |
| CN106821251B (zh) * | 2015-02-02 | 2019-11-26 | Lg电子株式会社 | 洗碗机 |
| US9687137B2 (en) * | 2015-06-15 | 2017-06-27 | Haier Us Appliance Solutions, Inc. | Diverter for selective fluid flow in a dishwashing appliance |
| KR101737845B1 (ko) * | 2015-08-03 | 2017-05-19 | 엘지전자 주식회사 | 식기세척기 |
| CN206473287U (zh) * | 2016-10-20 | 2017-09-08 | 珠海格力电器股份有限公司 | 洗碗机喷淋装置及洗碗机 |
| IT201700031111A1 (it) * | 2017-03-21 | 2018-09-21 | Candy Spa | Macchina lavastoviglie con braccio spruzzatore roto-traslante |
| KR102527574B1 (ko) * | 2018-02-12 | 2023-04-28 | 엘지전자 주식회사 | 식기세척기 |
-
2019
- 2019-07-31 DE DE102019211403.2A patent/DE102019211403A1/de active Pending
-
2020
- 2020-07-16 US US17/427,932 patent/US11696667B2/en active Active
- 2020-07-16 EP EP20744000.9A patent/EP4003129B1/de active Active
- 2020-07-16 CN CN202080055873.6A patent/CN114206188B/zh active Active
- 2020-07-16 WO PCT/EP2020/070116 patent/WO2021018614A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US11696667B2 (en) | 2023-07-11 |
| CN114206188A (zh) | 2022-03-18 |
| EP4003129B1 (de) | 2024-09-18 |
| US20220087501A1 (en) | 2022-03-24 |
| WO2021018614A1 (de) | 2021-02-04 |
| DE102019211403A1 (de) | 2021-02-04 |
| CN114206188B (zh) | 2024-01-26 |
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