EP2937571B1 - Pumpe mit heizelement - Google Patents

Pumpe mit heizelement Download PDF

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Publication number
EP2937571B1
EP2937571B1 EP15162316.2A EP15162316A EP2937571B1 EP 2937571 B1 EP2937571 B1 EP 2937571B1 EP 15162316 A EP15162316 A EP 15162316A EP 2937571 B1 EP2937571 B1 EP 2937571B1
Authority
EP
European Patent Office
Prior art keywords
jacket
orifice
pump
pump according
fastening portion
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.)
Active
Application number
EP15162316.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2937571A1 (de
Inventor
Tobias Albert
Uwe Kögel
Stefanie Roth
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Priority to SI201530707T priority Critical patent/SI2937571T1/sl
Priority to PL15162316T priority patent/PL2937571T3/pl
Publication of EP2937571A1 publication Critical patent/EP2937571A1/de
Application granted granted Critical
Publication of EP2937571B1 publication Critical patent/EP2937571B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4266—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps made of sheet metal
    • 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
    • F04D29/086—Sealings 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid 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
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater arrangements
    • 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 
    • D06F39/04—Heating arrangements
    • 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Definitions

  • the invention relates to a pump with a pump housing and a pump chamber therein, wherein the pump is designed in particular as an impeller pump.
  • the invention has for its object to provide an aforementioned pump, can be avoided with the problems of the prior art and in particular it is possible to build such a pump easier, more versatile and compact.
  • This object is achieved by a pump with the features of claim 1.
  • Advantageous and preferred embodiments of the invention are the subject of further claims and are explained in more detail below. The wording of the claims is incorporated herein by express reference.
  • the pump preferably as an impeller pump, has a pump housing in which a pump chamber is arranged.
  • the pump has a pump cover with an inlet into the pump chamber, wherein for use as an impeller pump, the inlet takes place centrally in the pump chamber or along a pump axis, in particular along an impeller axis of an impeller pump.
  • the pump has a pump bottom and a jacket between the pump bottom and the pump cover, wherein the shell has a jacket wall or is essentially formed by it.
  • the pump chamber is thus arranged substantially in the shell or within said shell wall and is bounded by, in addition of pump cover and pump bottom.
  • the jacket runs like a ring and continuously around the pump or around the pump chamber. It can be designed as a kind of pipe section, advantageously as a round cylindrical pipe section.
  • the jacket or the jacket wall carries at least one heating element which is permanently attached thereto.
  • a heating element can be known heating elements for heated pumps, that is to say be a tubular heater, alternatively and advantageously a thin-film or thick-film heating element designed in the manner of a layer.
  • the jacket has an opening or shell opening which forms an outlet from the pump chamber. This opening then passes into a discharge nozzle of the pump or this discharge nozzle is at the opening in the shell or in the shell wall, in a sealing manner, as will be explained later.
  • said opening for the discharge nozzle or jacket opening as an outlet from the pump chamber lies completely within the jacket wall of the jacket or does not reach or surmount an edge or an outer edge of the jacket or the jacket wall. This can be achieved that advantageously a discharge nozzle as a component for a circular all around and thus good sealable abuts the shell or the shell wall for a good seal and a stable permanent attachment.
  • the discharge nozzle rests as a component with its contact surface on the casing wall, including seals, around or around the opening on the casing wall.
  • the jacket is very intrinsically stable as a component. Further advantages result from the features explained below.
  • the jacket on at least one side towards the pump bottom or to the pump cover on a straight and / or lying in a plane end edge. The jacket or the jacket wall are so cut straight at least at one end, which facilitates both the manufacturability and a sealed connection with the pump base or pump cover.
  • this type of end edge can be provided in a plane at both ends or both sides, particularly advantageously the end edges run parallel.
  • the jacket made of metal, preferably in a constant thickness, for example made of sheet metal. It can be 0.5 mm to 2 mm thick, advantageously about 0.7 mm to 1.5 mm. Particularly advantageously, it may consist of corrosion-resistant metal such as stainless steel or high-alloy steel. Thus, for example, when used in a washing machine or dishwasher, it is resistant not only to the pumped water but also to the chemically and mechanically aggressive ingredients, especially in a dishwasher.
  • the casing has a connecting weld formed by its production, namely if it is made of a sheet-metal strip which is bent in the form of a pipe and is then welded at the ends to the pipe.
  • This joint weld interrupts the coat, so to speak.
  • the aforementioned opening for the outlet can be arranged either at a distance of less than 2 cm, advantageously at least 1 mm or 2 mm, from the joint weld.
  • the other area of the outer shell side remain free for further use, for example, be kept free for the arrangement of heating elements and / or connections or contacts.
  • the opening may also interrupt the joint weld, especially if a stable and durable design is provided, especially in the area of the interruption of the joint weld.
  • the jacket also has a connection weld seam mentioned.
  • connection fields and / or a contacting device for the at least one heating element are provided.
  • the discharge nozzle is fastened as a separately manufactured component, in particular made of plastic, advantageously with a fixing portion directly on the jacket.
  • a fixing portion directly on the jacket.
  • it can be glued to it on the one hand.
  • it can odgl by reaching into the opening fastener such as latching hooks. attached to it.
  • these fasteners do not engage through the one opening in the shell, but through separate openings, which are advantageously much smaller.
  • the attachment portion may, in particular with fastening means, a piece through the opening into the jacket or protrude through the shell wall. So a certain fixation against lateral forces can be achieved.
  • the attachment portion has retaining means which engage from the outside in the jacket for fastening the pressure port on the jacket.
  • these holding means do not engage in said opening for the outlet, but in retaining holes in the shell, which are separate from this opening or have a distance of at least 5 mm to 10 mm thereto.
  • the retaining holes should have a distance from the opening in the circumferential direction of the jacket, so that they can fasten the discharge nozzle on the jacket in a manner exciting over the roundness of the jacket and thus in some way also the opening for a secure, tight and permanent attachment.
  • One way to form the fasteners are latching hooks or the like. So they hold mechanically and can be solved under certain circumstances non-destructive.
  • attachment portion may abut the edge with a certain width on the outside of the shell or the shell wall. At this edge then sealing means are provided, which are advantageously at least partially recessed in the edge, so that they survive only slightly beyond the edge, for example, a maximum of 1 mm or 2 mm.
  • the sealing means may be separately applied, inlaid or applied sealants in the nature of rubber seals or ring seals. Alternatively, they may be manufactured together with the attachment portion or the discharge nozzle, advantageously by a multi-component injection molding process. It is possible that sealing means extend close to an outer edge of the edge of the fastening portion, advantageously with a distance of less than 3 mm to the outer edge, particularly advantageously from 0.5 mm to 2 mm or 3 mm.
  • the sealing means surround an opening in the discharge nozzle or the opening in the jacket.
  • the sealing means can also surround or enclose fastening means with which the fastening section Is attached to the jacket, in particular if they are fasteners that reach through the shell or cooperate with retaining holes or holes for attachment.
  • a circumferential sealing means which has a circumferential sealing edge. Its course corresponds approximately to the course of the edge of the opening in the jacket.
  • an outwardly facing groove is provided with a width which is between 50% and 150% of the material thickness of the shell. The depth of the groove may be the factor 1 to 10 or even 15 of the material thickness of the shell.
  • Such a sealant can then be fixed in the manner of an inner sleeve in the shell opening and thereby overlap both inside and outside the shell wall.
  • the fastening section is then pressed directly, alternatively with a further sealing means.
  • a circumferential projection is provided on the attachment portion, which has approximately or exactly the shape of the opening. This attachment portion protrudes into the opening, preferably with a height of at least 50% to 200% of the material thickness of the shell.
  • the projection may be provided on the attachment portion a collar which abuts the outside of the shell around the opening, when the projection just protrudes into the opening or is inserted.
  • the projection should not protrude too far through the jacket inwards or protrude into the pump chamber, since otherwise the flow behavior of the fluid being conveyed will be negatively affected to a great extent. Furthermore, this is not necessary for the aforementioned effect of fixation.
  • latching hooks or the like can protrude at the projection of the fastening section projecting through the opening into the jacket. be provided as a fastener.
  • the discharge nozzle is applied as a separately manufactured component by means of sealing means on the jacket around the opening therein.
  • the sealing means are not provided on the inside of the shell, but only on the outside of the shell. So negative flow influences can be prevented like previously mentioned.
  • the sealing means are optionally still provided on an inner edge of the opening in the jacket, but should just not protrude further into the pump chamber.
  • the discharge nozzle can be closed and tubular, wherein it can have an inlet opening on the region of the pressure nozzle to be connected to the casing. Furthermore, it has an outlet opening at the free or other end. Particularly advantageously, the inlet opening is designed as well as the opening in the jacket. The outlet opening of the pressure nozzle is advantageously circular.
  • the discharge nozzle can be elongated, in particular with a straight or at least partially straight extension, and here in the straight region have a central longitudinal axis.
  • This central longitudinal axis preferably points through the jacket or, as an extension of the pressure nozzle, passes through the jacket and does not pass it.
  • the central longitudinal axis may extend eccentrically to the jacket, that is, run past the central longitudinal axis of the jacket. In this case, it can bypass by an amount of about 50% to 80% of the radius of the shell on the longitudinal middle axis.
  • the discharge nozzle is here so quasi fixed laterally inclined to the jacket. This makes it possible for water conveyed in the pump to flow, as it were, almost tangentially out of the pump chamber into the discharge nozzle.
  • the opening in the jacket is a slot which has a longitudinal extent in the circumferential direction of the jacket.
  • the fastening is easier.
  • the outlet of the pumped fluid from the pump chamber can be more selectively influenced, namely only after several cycles in it.
  • the shell opening can advantageously have an oval shape and thus be elongate, particularly advantageously it can be as long as 1.5 to 3 times as wide.
  • the jacket can be made with a circular cross-section.
  • this can be done in the manner mentioned above from a flat sheet by round bending and welding together.
  • Fig. 1 is an exemplary pump 11 a shown with a pump housing 12 a, which has a pump chamber, not shown here in its interior. On top of this pump chamber sits a pump cover 16a with an inlet 17a in the form of a round pipe socket. Down the pump chamber is bounded by a pump bottom 15, below which according to the prior art, a drive motor is arranged, which carries and drives an impeller in the pump chamber.
  • a pump chamber is formed by a circumferential skirt 20a which, as shown, carries a plurality of strip-shaped or elongate heating elements 21, respectively.
  • the jacket 20a is formed as a circular pipe socket and has in each case at the top and bottom end edges 22a.
  • the discharge nozzle 25a is fastened, for example adhesively bonded, to the casing 20a by means of a fastening section 26a.
  • a fastening edge 28 extends, which can rest against the outside of the jacket 20a, advantageously in the manner of a wide strip, and provides enough space for a stable bonding.
  • the jacket 20a is shown and its shape as a circular pipe socket clearly visible. It can be seen that the pressure port 25a does not protrude into the interior or the pump chamber 14a formed therefrom. Furthermore, it can be seen how a weld 24a extends close to the discharge nozzle 25a.
  • This weld 24a is clearly exaggerated in order to better recognize it.
  • the weld 24a is because of this so close to the discharge nozzle 25a, since thus the remaining space on the outside of the shell 20a for the heating elements 21a is available. Otherwise, they would hardly be able to bridge the weld 24a.
  • the weld comes from the production of the tubular jacket 20a from a particular flat sheet with welding together, wherein a sheet thickness is between 0.3 mm and 2 mm.
  • the discharge port 25a is shown alone with a view of the attachment portion 26a and a fixing edge 28a formed thereon. The sticking or other pressing from the outside to the outside of the jacket 20a is easily conceivable for the skilled person.
  • a first embodiment of the invention is in the Fig. 4 shown, in which case a jacket 20b is also circular.
  • a pressure port 25b or its attachment portion 26b protrudes through a shell opening into the shell 20b, so that lateral attachment hooks 29b can engage behind the shell opening and bear against the inside of the shell 20b for attachment.
  • the pressure port 25b together with mounting hooks 29b shown again in magnification for better illustration.
  • Another alternative embodiment is in the Fig. 5 shown, also with a circular shell 20c with pump chamber 14c therein.
  • the discharge nozzle 25c is here attached from the outside with a mounting portion 26c.
  • the fastening hooks 29c on the left and on the right are, as the enlargement also makes clear on the right, designed in the manner of large angled arms. With their end they engage in each small holes as retaining holes in the jacket 20c, said retaining holes are spaced from a shell opening 23c, which is surrounded by the mounting portion 26c. A seal at these holding holes can be done by elastic seals, alternatively by gluing or the like ..
  • a discharge nozzle 25d is fixed with attachment portion 26d only from the outside.
  • a fastening edge 28d which can be seen on the right in the oblique view rests on the outside of the jacket 20d, together with sealing means, not shown here.
  • two separate fixing spreader 30d are used, which engage in corresponding retaining holes in the jacket 20d and so attach the discharge nozzle 25d thereto. This attachment can also be solved again.
  • Left out Fig. 6A It can be seen that the fastening spreaders 30d only slightly protrude inward and thus affect the flow conditions in the pump chamber 14d only minimally.
  • a sealing ring 31 ' is inserted.
  • FIG. 7 can be seen how instead of the separate attachment spreader of Fig. 6 Attachment hooks 29e are formed on an attachment edge 28e of a mounting portion 26e of a pressure port 25e. These engage in holding holes, not shown, of a jacket 20e shown on the left, similar to the aforementioned fastening spreaders, but they are not separate parts. It can be seen, however, that they can negatively influence the flow conditions in the interior of the jacket 20e or a pump chamber 14e by their protrusion.
  • Fig. 8 is a modification of the embodiment of Fig.
  • a discharge nozzle 25f shown with mounting portion 26f are provided on the slightly smaller fastening hooks 29f. These also engage in separate retaining holes outside a shell opening, which in turn must be sealed separately.
  • Yet another embodiment of the invention is based on Fig. 9 out with a discharge nozzle 25g, the mounting portion 26g is attached only from the outside to a jacket 20g.
  • rivets 33g are provided, which pass through the lateral outer ends of the mounting portion 26g and pass through corresponding small retaining holes in the shell 20g, to then be riveted to attach the pressure port 25g to the shell 20g.
  • a shell opening 23h is rectangular, wherein it extends at the edge of the shell 20h or, so to speak, along the left end edge 22h.
  • a discharge nozzle 25h is attached to a mounting portion 26h, wherein on the mounting portion 26h a fastening edge 28h is provided as the aforementioned sealing edge, in which a slot-like groove 34h is formed.
  • This groove 34h is as long as the shell opening 23h and engages over the shell 20h along this length on both sides, advantageously by 1 mm to 5 mm.
  • the groove 34h in the formation of the fastening portion 26h made of rigid plastic in the material thickness of the shell 20h correspond approximately so that it receives the jacket by clamping and / or sealing. Furthermore, it may be formed of elastically sealing material, for example, be sprayed onto the remaining pressure port 25h or the attachment portion 26h, whereby the sealing effect can be further improved can. Then the groove can be narrower and deform when inserting the shell 20h.
  • the fastening portion 26h sealingly abuts.
  • the groove 34h is also designed such that it overlaps the jacket 20h sealing and fixing here.
  • a discharge nozzle 25i has a mounting portion 26i, in which in a similar form as for Fig. 10 described a circumferential groove 34i is provided.
  • the inside of it located part of the mounting portion 26i is attached to the jacket 20i pressure port 25i within the shell 20i and the pump chamber 14i, so that the groove 34i circumferentially receives the edges of the shell opening and seals. Since this type of attachment to the shell 20i is not very easy, even if it subsequently seals very well, the attachment portion should 26i, in particular in the region of the groove 34i, made of elastic material. Alternatively, it could also be two parts, wherein the outer region of the attachment portion 26i is attached to the inserted from inside through the shell opening inner part.
  • a separate attachment portion 26j for the discharge nozzle 25j is formed elongated and rounded and in turn has a circumferential groove 34j.
  • the separate configuration of the attachment portion 26j of the discharge port 25j allows first the attachment portion 26j made of flexible material to be secured to the shell 20j, in particular covering and sealingly enclosing the inner edge of the shell opening with its groove 34j. Then, the discharge nozzle 25j is fixed to the attachment portion 26j, for example, slid over it slightly or inserted into it with a stepped projection. Another mechanical fixation can be done by rotating clamping means or other parts on the pump housing. Thus, a good sealing connection can be made to the jacket 20j.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP15162316.2A 2014-04-22 2015-04-02 Pumpe mit heizelement Active EP2937571B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201530707T SI2937571T1 (sl) 2014-04-22 2015-04-02 Črpalka z ogrevalnim elementom
PL15162316T PL2937571T3 (pl) 2014-04-22 2015-04-02 Pompa z elementem grzejnym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014207562.9A DE102014207562A1 (de) 2014-04-22 2014-04-22 Pumpe

Publications (2)

Publication Number Publication Date
EP2937571A1 EP2937571A1 (de) 2015-10-28
EP2937571B1 true EP2937571B1 (de) 2019-01-16

Family

ID=52807696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15162316.2A Active EP2937571B1 (de) 2014-04-22 2015-04-02 Pumpe mit heizelement

Country Status (7)

Country Link
EP (1) EP2937571B1 (pl)
JP (1) JP6570299B2 (pl)
DE (1) DE102014207562A1 (pl)
ES (1) ES2718881T3 (pl)
PL (1) PL2937571T3 (pl)
SI (1) SI2937571T1 (pl)
TR (1) TR201904773T4 (pl)

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CN107327399A (zh) * 2017-06-14 2017-11-07 余雷 一种自粘式防冻转换泵
DE102017124169A1 (de) * 2017-10-17 2019-04-18 Miele & Cie. Kg Sammeltopf für eine Geschirrspülmaschine
DE102017011086B4 (de) * 2017-11-30 2023-07-06 Eichenauer Heizelemente Gmbh & Co. Kg Beheiztes Pumpengehäuse
CN111140541B (zh) * 2019-12-31 2021-11-12 昆山匠联精密组件有限公司 汽车水泵壳体的生产方法
KR20240002849A (ko) 2022-06-30 2024-01-08 삼성전자주식회사 배수 어셈블리 및 가전기기
KR20240002843A (ko) * 2022-06-30 2024-01-08 삼성전자주식회사 배수 호스 및 가전기기

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Publication number Priority date Publication date Assignee Title
US20090214332A1 (en) * 2006-10-10 2009-08-27 Grundfos Pumps Corporation Multistage pump assembly having removable cartridge
EP2366905A2 (en) * 2010-03-18 2011-09-21 CALPEDA S.p.A. Improved tight multi-stage pump

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EP2937571A1 (de) 2015-10-28
DE102014207562A1 (de) 2015-10-22
SI2937571T1 (sl) 2019-05-31
ES2718881T3 (es) 2019-07-05
JP2015206363A (ja) 2015-11-19
TR201904773T4 (tr) 2019-05-21
JP6570299B2 (ja) 2019-09-04
PL2937571T3 (pl) 2019-07-31

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