EP3414460A1 - Wäschepflegegerät mit einem dichtelement - Google Patents
Wäschepflegegerät mit einem dichtelementInfo
- Publication number
- EP3414460A1 EP3414460A1 EP17700101.3A EP17700101A EP3414460A1 EP 3414460 A1 EP3414460 A1 EP 3414460A1 EP 17700101 A EP17700101 A EP 17700101A EP 3414460 A1 EP3414460 A1 EP 3414460A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump housing
- pump
- laundry care
- sealing element
- sealing
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 141
- 239000004033 plastic Substances 0.000 claims abstract description 46
- 229920003023 plastic Polymers 0.000 claims abstract description 46
- 238000005406 washing Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 27
- 229920006342 thermoplastic vulcanizate Polymers 0.000 claims description 10
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 8
- -1 Polypropylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000011796 hollow space material Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 235000019589 hardness Nutrition 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 244000007645 Citrus mitis Species 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
Definitions
- the present invention relates to a laundry care device with a sealing element.
- pumps are used to deliver wash fluid into fluid carrying conduits of the laundry care appliance, such as e.g. a drain line of a drain system or Umpump réelle a pumping system to pump.
- conventional pumps have different components, e.g. a filter element, a pump motor, or fluid-carrying lines, which are arranged in the pump housing of the pump, or are fluidly connected to the pump in order to ensure effective operation of the pump in the laundry care device.
- sealing elements such as e.g. Sealing rings or gaskets used, which are mounted during assembly of the pump between the pump housing and the different components.
- DE 10 2004 047 200 A1 discloses a composite of polyacetal and a thermoplastic vulcanizate (TPV) elastomer, wherein the composite body can be used in the automotive industry.
- TPV thermoplastic vulcanizate
- the object is achieved by a laundry care device with a pump for pumping washing liquid, wherein the pump has a pump housing with a cavity, wherein the laundry care device has a component which is accommodated in the cavity, wherein on an inner side of the cavity the pump housing, a sealing element made of plastic is arranged, wherein the sealing element is integrally connected to the pump housing, and wherein the sealing element, the pump housing and the component is pressurized to ensure a fluidic sealing between the pump housing and the component.
- the laundry care device may comprise a plurality of components, which are received in the drain pump, wherein further sealing elements between the pump housing and the plurality of components are arranged.
- the plurality of components may include a filter element, a pump motor, a pump cover, and a fluid-carrying conduit, such as e.g. Pumping hose, include.
- sealing elements and damping elements such as seals, flat gaskets, damping bushes are used, which are introduced during assembly of the pump and pump connection between the pump housing and the different components of the pump and pump connection to an effective fluidic sealing between the pump housing and to ensure the different components or a noisy decoupling between the pump and to achieve the device.
- the conventional sealing elements and damping elements are not materially connected to the pump housing, these are manually arranged between the pump housing and the different components prior to assembly of the pump, which depending on the position of the sealing elements in the pump housing to an increased assembly costs and loss of seals a safety hazard can result from leakage.
- a non-materially connected to the pump housing sealing element may optionally not ensure a complete fluidic sealing, so if necessary, further seals must be arranged on the different components to prevent the escape of washing liquid from the pump.
- the material-bonded connection according to the invention between the sealing element and the pump housing an effective fluidic sealing between the pump housing and the component is ensured.
- the integral connection of the sealing element with the pump housing can be carried out particularly advantageously in the production of the pump, for example in the context of a two-component injection molding process in which different materials for the pump housing and for the sealing element are used.
- a seal can already be provided during the manufacture of the pump housing.
- a laundry care appliance is understood to mean a device which is used for laundry care, such as e.g. a washing machine or a tumble dryer.
- a laundry care appliance is understood as a household laundry care appliance. So a laundry care device, which is used in the context of household management, and is treated with the laundry in normal household quantities.
- the component comprises a filter element, in particular a foreign body trap, which is received in the cavity, wherein the sealing element, the pump housing and the filter element pressurized to ensure a fluidic seal between the pump housing and the filter element.
- the technical advantage is achieved that it is ensured by the fluidic sealing between the pump housing and the filter element that no washing liquid exits from the interior of the pump during operation of the pump.
- the filter element can be effectively received in the cavity of the pump housing without requiring further seals on the filter element.
- the pump has a suction chamber and a pressure chamber, wherein the pump has a second plastic sealing element, which is arranged between the suction chamber and the pressure chamber, and wherein the second sealing element presses the pump housing and the filter element, to ensure a fluidic seal between the pump housing and the filter element.
- the technical advantage is achieved that is made possible by the arrangement of the second sealing element between the suction chamber and the pressure chamber, an effective fluidic sealing between the filter element and the pump housing and a fluidic separation of the suction chamber of the pressure chamber, without costly materials, the extreme elongation behavior allow to use.
- this fluidic seal is usually realized without an additional sealing element, in which usually allows a very flexible plastic panel function-preserving fluidic sealing between the suction chamber and the pressure chamber.
- the pump housing has a second cavity
- the laundry care device has a second component
- the second component comprises a pump motor, which is accommodated in the second cavity, wherein on an inner side of the second cavity, a third sealing element made of plastic is arranged, wherein the third sealing element is integrally connected to the pump housing, and wherein the third sealing element, the pump housing and the pump motor is pressurized to ensure a fluidic seal between the pump housing and the pump motor.
- the pump housing has a further cavity, the laundry care appliance having a further component, wherein the further component comprises a fluid-carrying line, which is accommodated in the further cavity, wherein on a inner side of the further cavity, a fourth sealing element Plastic is arranged, wherein the fourth sealing element is integrally connected to the pump housing, and wherein the fourth sealing element, the pump housing and the fluid-carrying line pressurized to ensure a fluidic seal between the pump housing and the fluid-carrying line.
- the fluid-carrying line may, in particular, comprise a pressure line which is effectively fluidly connected to a discharge nozzle of the pump housing of the pump.
- the laundry care device has a device housing and a number of damping elements, wherein the damping elements are materially connected to an outer side of the pump housing, wherein the damping elements abut against the device housing to ensure effective vibration damping of the pump to the device housing, and wherein the damping elements in particular comprise a plastic.
- the technical advantage is achieved that is ensured by the cohesively connected to the outside of the pump housing damping elements which rest against the device housing, a particularly effective vibration damping of the pump to the device housing.
- Cohesively coupled with the pump housing damping elements allow a shortened and thus simplified installation, and ensure during operation of the pump that a noticeable noise reduction occurs.
- the inside of the pump housing in particular the inside of the pressure chamber, an elastically deformable coating, wherein the elastically deformable coating comprises in particular a plastic.
- the technical advantage is achieved that an effective protection of the inside of the pump housing, in particular the inside of the pressure chamber, is ensured against damage by the elastically deformable coating.
- Foreign objects entrained with the washing liquid e.g. Lime particles, which often impinge on the pump housing with a high kinetic energy, in particular in the annular or spiral housing of the pressure chamber, are decelerated or damped by the elastically deformable coating.
- This can prevent damage to the pump housing and the life of the pump housing can be improved, so that over the life of the tub pump constant pump performance can be ensured, since in particular lye pumps with surface damaged pressure chambers over the life of a significant flow reduction.
- the sealing element, the second sealing element, the third sealing element, the fourth sealing element, and the damping elements are integrally connected to the pump housing, and the inside of the pressure chamber has an elastically deformable coating.
- the technical advantage is achieved that by the plurality of materially connected to the pump housing sealing elements, or damping elements, and the Protective coating of the pressure chamber, a technological manufacturing process advantage of the drain pump is made possible because the entire components can be combined on the pump housing.
- the pump housing comprises a plastic, in particular polypropylene, wherein the plastic in particular comprises an additive.
- the technical advantage is achieved that a particularly stable pump housing is ensured by the plastic, in particular polypropylene.
- the plastic may in particular contain an additive, e.g. Talc or chalk, to provide advantageous properties of the pump housing.
- the plastic of the sealing elements, the damping elements and / or the elastically deformable coating comprises a thermoplastic elastomer (TPE) or a thermoplastic vulcanizate (TPV).
- TPE thermoplastic elastomer
- TPV thermoplastic vulcanizate
- thermoplastic elastomer TPE
- TPV thermoplastic vulcanizate
- a thermoplastic elastomer and / or a thermoplastic vulcanizate (TPV) can be particularly materially connected to the pump housing of the pump materially.
- the plastic comprises ethylene-propylene-diene rubber and polypropylene.
- the technical advantage is achieved that particularly advantageous properties of the sealing elements, the damping elements and / or the elastically deformable coating can be ensured by the selected plastics.
- the plastic comprises a plasticizer.
- the technical advantage is achieved that by the addition of different plasticizers, or different amounts of plasticizer, different elastic properties of the sealing elements, the damping elements and / or the elastically deformable coating can be effectively adjusted to the plastic.
- the plastic By adding one or more plasticizers to the plastic, the plastic can be made more elastic, and thus more deformable, and thus the material properties of the plastic can be optimized.
- the plastic is formed as an elastic plastic and has a Shore hardness of 10 to 95, in particular from 20 to 80, the Shore hardness is determined according to DIN EN ISO 7619-1.
- the technical advantage is achieved that can be ensured by the elastic plastic, or by the selected Shore hardness advantageous properties of the plastics of the sealing elements, the damping elements and / or the elastically deformable coating.
- the sealing elements are designed as annular sealing elements, which are peripherally connected to the inside of the cavities of the pump housing cohesively.
- the annular sealing elements have a plurality of annular portions to an effective fluidic sealing between the pump housing and the component, in particular between the pump housing and the filter element, the pump housing and the pump motor, and the pump housing and the fluid-carrying line to ensure.
- the technical advantage is achieved that a particularly effective fluidic sealing between the pump housing and the component, or the components, is made possible by the plurality of annular portions of the sealing elements, for example, two sections of a double ring.
- the sealing elements are designed as sealing elements that seal off radially and axially fluidly.
- the technical advantage is achieved that a particularly effective fluidic sealing is ensured by the radially and axially fluid-sealing sealing elements, whereby leakage of washing liquid from the pump can be prevented.
- the pump is connected to a drain line of the laundry care device, and is designed to pump washing liquid from a tub of the laundry care device through the drain line from the laundry care device, or the pump is connected to a pumping line of the laundry care device and is formed, washing liquid To pump out or umzupumpen a tub of the laundry care device through the Umpump effet, and again supply the pumped wash liquor through the Umpump effet the tub.
- the technical advantage is achieved that the pump can be used both in a pumping system for pumping liquor in the tub, as well as in a pump-down system for pumping wash liquor from the laundry care device.
- Fig. 1 is a schematic view of a laundry care device
- Fig. 2 is a schematic view of a pump of the Wäschenostiticians in sectional view
- Fig. 3 is a schematic view of a pump of Wäschewitetzs in a sectional view.
- Fig. 1 shows a schematic view of a general laundry care device 100, such as e.g. a washing machine.
- the laundry care device 100 comprises an induction bowl 101, into which detergent or other liquid substances can be introduced.
- the laundry care appliance 100 comprises a door 103 for loading the laundry care appliance 100 with laundry.
- Fig. 2 shows a schematic view of a pump of Wäschenostiticians in a sectional view.
- the laundry care device 100 comprises a pump 105 for pumping washing liquid.
- the pump 105 may be connected to a drain line of the laundry care device 100 to pump washing liquid through the drain line from the laundry care device 100.
- the pump 105 may alternatively be connected to a pumping line of the laundry care device 100 in order to pump washing liquid out of a tub of the laundry care device 100 through the pumping line, and to supply the pumped washing liquor to the tub again.
- the pump 105 has a pump housing 107 with an inner side 108, the pump housing 107 defining a pump interior 109.
- the pump interior 109 is subdivided into a suction chamber 11 and into a pressure chamber 13.
- a pressure port 1 15 is arranged, through which the pressure chamber 1 13 can be fluidly connected to a pressure line, not shown in Fig. 2.
- the pump housing 107 defines a cavity 1 17, a second cavity 1 19 and another cavity 121.
- the cavity 1 17, the second cavity 1 19 and the further cavity 121 each have a first opening 123, a second opening 125 and a further opening 127 to the outside of the pump 105.
- the cavities 1 17, 1 19, 121 can each be taken a component, wherein the components in Fig. 2 are not shown.
- the component may comprise a filter element, which is received in the cavity 1 17.
- filter element is on an inner side
- the sealing member 129 pressurizes the pump housing 107 and the filter element to ensure a fluidic seal between the pump housing 107 and the filter element.
- the sealing element 129 comprises in particular a rubber flat gasket, which is crowned on its radial lateral surface, in order to supplement a radial sealing principle in addition to the axial sealing effect.
- the axial- and radial-acting seal ensures that no escape of washing liquid from the pump interior
- a second sealing element 131 made of plastic, in particular on the inner side 108 of the pump housing 107, can be arranged, which is materially connected to the pump housing 107.
- the second sealing member 131 is disposed between the suction chamber 1 1 1 and the pressure chamber 1 13 and pressurizes the pump housing 107 and the filter element with pressure to ensure a fluidic seal between the pump housing 107 and the filter element.
- the filter element separates the suction chamber 1 1 1 of the pressure chamber 1 13 by the axial compression of a plate spring in a shoulder of the pump housing 107.
- This compression of the diaphragm spring is realized by extreme component expansions, which can be achieved only by the use of costly materials .
- a molded second sealing element 131 between the suction chamber 1 1 1 and pressure chamber 1 13 can be dispensed with this extreme, functionally necessary component elongation and it can be selected for the filter element cost-effective materials in component design.
- the component may comprise a pump motor, which is received in the second cavity 1 19.
- a third sealing element 133 made of plastic, arranged.
- the third sealing element 133 is formed as an annular third sealing element 133, which is materially connected to the pump housing 107.
- the third seal member 133 pressurizes the pump housing 107 and the pump motor to ensure a fluidic seal between the pump housing 107 and the pump motor.
- the component may comprise a fluid-carrying line, in particular a pressure hose, which is received in the further cavity 121.
- a fourth sealing element 135 made of plastic, which is materially connected to the pump housing 107, is arranged on an inner side 108 of the further cavity 121.
- the fourth sealing element 135 is shown only schematically in FIG. 2 and pressurizes the pump housing 107 and the fluid-carrying line in order to ensure a fluid-tight seal between the pump housing 107 and the fluid-carrying line.
- Compressing and / or other geometric sealing contours is sealed. This can be done, for example, by using a
- vibration damped rubber molded parts are usually provided, which are preassembled on a device housing the laundry care device 100, and on or in which the pump 105 is attached, but with no direct contact between the device housing, the pump housing 107 and the screw itself may arise.
- damping elements 137 are used, which with an outside of the Pump housing 107 are materially connected, and wherein the damping elements 137 abut against the device housing to ensure effective vibration damping of the pump 105 to the device housing.
- Embossed damping elements 137 allow for a shortened installation effort.
- the inside 108 of the pump housing 107, in particular the pressure chamber 1 13, may have an elastically deformable coating 139.
- the elastically deformable coating 139 may include a soft component and protects the pressure chamber 1 13 from damage and a resulting roughening with flow reduction.
- the elastically deformable coating 139 reduces the kinetic energy of foreign bodies in the washing liquid and thus prevents irreversible damage to the lateral surface of the annular or spiral housing of the pump pressure chamber.
- the toughness of the soft component of the elastically deformable coating 139 is advantageous in order to increase the service life of the pump 105.
- the soft components of the plastic-containing elastically deformable coating 139, and the sealing elements 129, 131, 133, 135 are selected such that different Shore hardnesses are introduced, the Shore hardness is determined according to DIN EN ISO 7619-1 , Advantageous properties of the sealing plastics of the sealing elements 129, 131, 133, 135, the damping elements 137 and / or the elastically deformable coating 139 can be ensured by the different Shore hardnesses of the plastics.
- the damping element 137 may have optimum noise decoupling with a low deflection and the desired rigidity.
- an optimal seal is important to prevent water leakage.
- the first and second seals 129, 131 should have low friction, so that no high assembly forces occur.
- the material of the elastically deformable coating 139 must be chosen so that during the life of the pump 105, the wear due to abrasion is minimized.
- the sealing elements 129, 131, 133 and 135 are manufactured in a two-component injection molding process. Due to the different requirements for the sealing elements 129, 131, 133, 135, it may be useful to a Three-component or four-component injection molding process for the production of the pump 105 to use.
- a two-component injection molding process can advantageously be carried out in the pump housing 107, since most of the soft components can be imaged here. Due to the two-component injection molding process, up to eight functional elements can be imaged in an additional, automated manufacturing step. For all these additional features, the same material can be used in a single work process. The use of this production technology saves the storage, transport and assembly of the previously uninsulated individual components.
- the cohesive, molded sealing elements 129, 131, 133, 135 in comparison to insertable sealing elements, or insertable damping elements a secure existence in the manufacturing process. Assembly error by the non-inserted sealing elements 129, 131, 133, 135, or damping elements 137 and Thus, a loss of function can thus be virtually ruled out.
- the pump housing 107 can be made with a soft but tough elastically deformable coating 139 directly in the two-component injection molding process.
- the pump housing 107 is thus better protected against roughening, as entrained by the washing liquid hard lime chips are decelerated by the elastic but tough surface of the elastically deformable coating 139 and thus no longer can damage the surface of the pressure chamber 1 13.
- the pump 105 is additionally optimized for noise especially when conveying foreign bodies.
- the discharge nozzle-discharge hose sealing concept can be simplified because the sealing surface is imaged in the pump housing 107.
- the design scope for a production and assembly force-optimized connection concept between the discharge nozzle 1 15 and drain hose is greater.
- the assembly force can be greatly reduced here and it can be dispensed with the use of sliding and mounting means in the production in the connection of lines with the pump 105.
- the costs for the damped pump connection can be reduced.
- the damping elements 137 can be performed directly as buffer elements and molded with to decouple the pump 105 of noise.
- the cost, as well as the time and assembly costs for the installation of the pump 105 are reduced. Due to the constructive incorporation of a further molded sealing surface between pump suction and pressure side can be selected for the filter insert a cheaper material, such as polypropylene instead of polyoxymethylene.
- the additionally molded sealing elements 129, 131, 133, 135 assume the sealing function, which previously had to be realized by more expensive materials with better permanently elastic material properties.
- Fig. 3 shows a schematic view of a pump of Wäschenostiwies in a sectional view in a rotated in comparison to FIG. 2 view.
- the pump 105 has a pump housing 107 with an inner side 108, which delimits a pump interior 109, which in turn is subdivided into a suction chamber 11 and into a pressure chamber 13.
- a pressure port 1 15 is arranged on the pump housing 107.
- the pump housing 107 defines a cavity 1 17, a second cavity 1 19 and another cavity 121.
- the cavity 1 17, the second cavity 1 19 and the further cavity 121 each have a first opening 123, a second opening 125, and a third Opening 127 to the outside of the pump 105.
- a filter element is received in the cavity 1 17, wherein with the inside 108 of the cavity 1 17 a first sealing element 129 made of plastic materially connected.
- a second sealing element 131 is disposed between the suction chamber 1 1 1 and the pressure chamber 1 13 and is materially connected to the pump housing 107.
- a pump motor is received in the second cavity 1 19, with the inside 108 of the second cavity 1 19, a third sealing element 133 made of plastic materially connected to ensure an effective fluidic sealing between the pump housing 107 and the pump motor.
- a fluid-carrying line is received in the further cavity 121, wherein with the inside 108 of the further cavity 121, a fourth sealing element 135 made of plastic materially connected to ensure an effective fluidic sealing between the pump housing 107 and the fluid-carrying line.
- damper elements 137 and an elastically deformable coating 139 are arranged on the pump housing 107.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016201969.4A DE102016201969A1 (de) | 2016-02-10 | 2016-02-10 | Wäschepflegegerät mit einem Dichtelement |
PCT/EP2017/050048 WO2017137173A1 (de) | 2016-02-10 | 2017-01-03 | Wäschepflegegerät mit einem dichtelement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3414460A1 true EP3414460A1 (de) | 2018-12-19 |
EP3414460B1 EP3414460B1 (de) | 2020-09-16 |
Family
ID=57755305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17700101.3A Active EP3414460B1 (de) | 2016-02-10 | 2017-01-03 | Wäschepflegegerät mit einem dichtelement |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3414460B1 (de) |
CN (1) | CN109072932B (de) |
DE (1) | DE102016201969A1 (de) |
WO (1) | WO2017137173A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017011086B4 (de) | 2017-11-30 | 2023-07-06 | Eichenauer Heizelemente Gmbh & Co. Kg | Beheiztes Pumpengehäuse |
DE102019208727A1 (de) | 2019-06-14 | 2020-12-17 | BSH Hausgeräte GmbH | Pumpenimpeller, laugenpumpe, haushaltsgerät und verfahren zum herstellen des pumpenimpellers |
DE102022207152A1 (de) * | 2022-07-13 | 2024-01-18 | BSH Hausgeräte GmbH | Pumpe für ein Wäschepflegegerät |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19718027C5 (de) * | 1997-04-29 | 2005-07-21 | Miele & Cie. Kg | Synchronpumpe, insbesondere Laugenpumpe für Waschmaschinen und Geschirrspülmaschinen |
DE102004047200B4 (de) | 2004-09-29 | 2010-06-02 | Ticona Gmbh | Verbundkörper aus Polyacetal und thermoplastischem Vulkanisat-Elastomer |
KR20070102056A (ko) * | 2006-04-13 | 2007-10-18 | 삼성전자주식회사 | 배수펌프를 구비하는 세탁기 |
KR100786680B1 (ko) * | 2006-04-20 | 2007-12-21 | 삼성전자주식회사 | 세탁기용 배수장치 및 이를 갖는 세탁기 |
KR101375717B1 (ko) * | 2011-01-21 | 2014-03-19 | 삼성전자주식회사 | 세탁기 및 이에 구비되는 펌프필터 |
DE102011054320A1 (de) * | 2011-10-07 | 2013-04-11 | Uwe Würdig | Kreiselpumpe und Anordnung zur Spaltabdichtung |
DE102011086173A1 (de) | 2011-11-11 | 2013-05-16 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Haushaltsgerät |
EP2631345B1 (de) * | 2012-02-27 | 2019-09-04 | Electrolux Home Products Corporation N.V. | Waschwanneneinheit und Waschmaschine |
CN204532983U (zh) * | 2015-03-20 | 2015-08-05 | 江门市地尔汉宇电器股份有限公司 | 一种能降低水泵噪音的泵盖及排水泵 |
-
2016
- 2016-02-10 DE DE102016201969.4A patent/DE102016201969A1/de not_active Ceased
-
2017
- 2017-01-03 WO PCT/EP2017/050048 patent/WO2017137173A1/de active Application Filing
- 2017-01-03 EP EP17700101.3A patent/EP3414460B1/de active Active
- 2017-01-03 CN CN201780010971.6A patent/CN109072932B/zh active Active
Also Published As
Publication number | Publication date |
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CN109072932A (zh) | 2018-12-21 |
DE102016201969A1 (de) | 2017-08-10 |
EP3414460B1 (de) | 2020-09-16 |
WO2017137173A1 (de) | 2017-08-17 |
CN109072932B (zh) | 2020-11-03 |
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