EP3751150B1 - Pompe de chauffage et appareil de lavage - Google Patents

Pompe de chauffage et appareil de lavage Download PDF

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Publication number
EP3751150B1
EP3751150B1 EP17935583.9A EP17935583A EP3751150B1 EP 3751150 B1 EP3751150 B1 EP 3751150B1 EP 17935583 A EP17935583 A EP 17935583A EP 3751150 B1 EP3751150 B1 EP 3751150B1
Authority
EP
European Patent Office
Prior art keywords
ring body
heating tube
annular heating
pump
annular
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
EP17935583.9A
Other languages
German (de)
English (en)
Other versions
EP3751150A4 (fr
EP3751150A1 (fr
Inventor
Wenhai GU
Song Wang
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.)
Foshan Welling Washer Motor Manufacturing Co Ltd
Original Assignee
Foshan Welling Washer Motor Manufacturing Co Ltd
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
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Publication of EP3751150A1 publication Critical patent/EP3751150A1/fr
Publication of EP3751150A4 publication Critical patent/EP3751150A4/fr
Application granted granted Critical
Publication of EP3751150B1 publication Critical patent/EP3751150B1/fr
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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
    • 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
    • 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
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
    • 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
    • F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
    • 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

Definitions

  • the present invention relates to the field of household appliances, in particular to a heating pump and a washing appliance with the same
  • the traditional treatment method is generally to provide both a heating device and a fluid device, such that the equipment is complex, bulky, which is inconvenient for family use.
  • the heating device and the fluid device are integrated together, but the heating element is mounted in an outer recess formed by protruding toward the fluid side, that is, a protrusion is formed on the inner side of the pump housing. The larger friction area between the protrusion and the fluid creates a significant obstruction to the pumped fluid, resulting in lower pumping efficiency and greater energy consumption.
  • Heating pumps are known from CN 203 516 209 U , CN 104 456 917 A , US 2006/236999 A1 , EP1 595 489 A1 , US 2010/119360 A1 and US 2016/334133 A1 .
  • An object of the present invention is to overcome the problems in prior arts that the heating and pumping structures are complicated or the pumping efficiency is low, and to provide a heating pump that can simultaneously heat and pump with a simple structure and a high pumping efficiency.
  • Another object of the present invention is to provide a washing appliance including the heating pump.
  • the heating pump includes a pump housing and a pump cover assembly.
  • the pump housing includes an opening or outlet and a side wall extending around the outlet.
  • the pump cover assembly includes an annular support portion covering the outlet and a heating element thermal-conductively mounted on the support portion, the support portion separates the heating element from fluid in the heating pump, and a surface of the support portion in contact with the fluid is flat.
  • the support portion includes a plate-shaped support ring body extending around a center line of the outlet in a plane perpendicular to the center line, a fixing ring body in connection with an outer periphery of the support ring body and configured for fixing to the top of the side wall; and a bent ring body in connection with an inner periphery of the support ring body and configured for connecting to an external pipe, where the heating element are mounted on the support ring body.
  • the heating element includes an annular heating tube with a gap and first and second electrodes respectively disposed at both ends of the gap of the annular heating tube;
  • the annular heating tube includes a bottom surface in contact with the support ring body and a side surface connected to the bottom surface and extending in the circumferential direction of the support ring body, and
  • the pump cover assembly includes a thermal conductive plate in heat conduction connection with the side surface and the support ring body.
  • the thermal conductive plate includes a first ring body and a second ring body connected to the first ring body, where the first ring body and the second ring body are in surface contact with the support ring body and the side surface of the annular heating tube, respectively.
  • the first ring body and the second ring body are respectively connected to the support ring body and the side surface of the annular heating tube by welding.
  • the pump cover assembly includes a temperature controller connected to the first electrode, the second ring body includes a main ring body having an opening and being in contact with the annular heating tube, and a stepped portion located at the opening, both sides of the stepped portion in the circumferential direction are respectively spaced from both ends of the opening of the main ring body, the stepped portion includes a vertical portion spaced from the annular heating tube and a horizontal portion located above the annular heating tube with a distance between the horizontal portion and the annular heating tube, the temperature controller is mounted on the horizontal portion, and the temperature controller includes a first temperature-sensitive surface being in contact with the stepped portion.
  • a distance between the horizontal portion and the annular heating tube e is at least 1 mm; and/or the minimum distance between the temperature controller and the first electrodes has an arc length of 5-15 mm on the annular heating tube.
  • the pump cover assembly includes a fuse connected to the second electrode, the fuse includes a second temperature-sensitive surface, the second temperature-sensitive surface is in contact with the annular heating tube; the annular heating tube includes a top surface and two opposite side surfaces connected between the top surface and the bottom surface, the area of the bottom surface is larger than the area of the top surface, and the fuse is supported and mounted on the top surface.
  • the pump cover assembly includes an insulation socket, and the temperature controller, the fuse, and the insulation socket are connected in series between the first electrode and the second electrode.
  • the pump cover assembly includes a protective cover on the top of the annular heating tube, the temperature controller, the fuse and the insulation socket; and/or, the top of the side wall is provided with a stepped flange protruding outward, the fixing ring body is provided with a grooved flange that can be snap-fixed to an outside of the stepped flange, and the pump cover assembly includes a sealing ring disposed between the stepped flange and the grooved flange to seal the side wall and the support portion.
  • the present invention provides a washing appliance.
  • the washing appliance includes the above heating pump.
  • the heating element is thermal-conductively mounted on the support portion, the support portion separates the heating element from the fluid in the heating pump, the fluid can be heated while being pumped, the structure is simple, the volume is small, and the surface of the support portion in contact with the fluid is flat, such that the friction between the fluid and the support portion is reduced, hindering the movement of the fluid can be avoided, the pumping efficiency is significantly improved and the energy consumption can be reduced, and thus better able to meet user needs.
  • the directional terms such as up, down, left and right generally refer to the up, down, left and right as shown in the drawings, and the term “inner” or”outer” refers to the inside or outside of the contour of each component itself, unless otherwise stated.
  • the present invention provides a heating pump including a pump housing 1 and a pump cover assembly 2.
  • the pump housing 1 includes an opening or outlet and a side wall 11 extending around the outlet.
  • the pump cover assembly 2 includes an annular support portion 21 covering the outlet and a heating element 22 thermal-conductively mounted on the support portion 21.
  • the support portion 21 is configured to separate the heating element 22 from the fluid in the heating pump, and the surface of the support portion 21 in contact with the fluid is flat.
  • the heating element 22 is thermal-conductively mounted on the support portion 21.
  • the support portion 21 separates the heating element 22 from the fluid in the heating pump.
  • the fluid can be heated while pumping.
  • the structure is simple and the volume is small.
  • the surface of the support portion 21 in contact with the fluid is flat, which can reduce the friction between the fluid and the support portion, avoid hindering the movement of the fluid, significantly improve the pumping efficiency and reduce the energy consumption, so as to better meet user needs.
  • the support portion 21 includes a plate-shaped support ring body 211 extending around a center line of the outlet in a plane perpendicular to the center line, a fixing ring body 212 connected with an outer periphery of the support ring body 211 and configured to be fixed on the top of the side wall 11, and a bent ring body 213 connected with an inner periphery of the support ring body 211 and configured for connecting an external pipe, where the heating element 22 is mounted on the support ring body 211.
  • the support portion 21 may be stamped and formed from a stainless steel plate, and the connection portion of the support ring body 211 and the fixing ring body 212 and the bent ring body 213 may be rounded. In this way, more than 90% of the area of the support part in contact with the fluid hasa plane surface, avoiding the obstruction to the fluid and significantly improving the pumping efficiency.
  • the heating element 22 includes an annular heating tube 221 with a gap and a first electrode 222 and a second electrode 223 respectively disposed at two ends of the gap in the annular heating tube 221.
  • the annular heating tube 221 may include an outer sleeve in which a resistance wire may be mounted, and a thermal-conductive insulating material may be filled between the outer sleeve and the resistance wire.
  • the outer sleeve may be an aluminum tube
  • the thermal-conductive insulating material may be MgO.
  • the annular heating tube 221 includes a bottom surface in thermal contact with the support ring body 211 and a side surface connected to the bottom surface and extending in a circumferential direction of the support ring body 211.
  • the pump cover assembly 2 includes a thermal conductive plate 23 that thermal-conductively connects the side surface with the support ring body 211. In this way, the heat radiated from the side of the annular heating tube 221 can be transferred to the support ring body 211 through the thermal conductive plate 23, so that the heating efficiency of the annular heating tube 221 can be significantly improved.
  • the thermal conductive plate 23 includes a first ring body 231 and a second ring body 232 connected to the first ring body 231.
  • the first ring body 231 and the second ring body 232 are in surface contact with the support ring body 211 and the side surface of the annular heating tube 221, so that the contact area is larger which facilitates a rapid and maximum transmission of the heat dissipated from the side of the annular heating tube 221 to the support ring body 211.
  • the first ring body 231 and the second ring body 232 are respectively connected with the support ring body 211 and the side surfaces of the annular heating tube 221 via welding.
  • the thermal conductive plate 23 may be stamped and formed from an aluminum plate.
  • the pump cover assembly 2 includes a temperature controller 24 connected to the first electrode 222, and to facilitate the installation of the temperature controller 24 while making the structure compact, as shown in FIGS. 3 and 4 , the second ring body 232 includes a main ring body 2321 having an opening and in contact with the annular heating tube, and a stepped portion 2322 located at the opening. Both sides of the stepped portion 2322 in the circumferential direction are respectively spaced apart from both ends of the opening of the main ring body 2321, The stepped portion 2322 includes a vertical portion with an interval relative to the annular heating tube 221 and a horizontal portion located above the annular heating tube 221. The temperature controller 24 is disposed on the horizontal portion.
  • the temperature controller 24 includes a first temperature-sensitive surface in contact with the stepped portion. Such that the influence of the annular heating tube 221 and the main ring body 2321 in contact with the annular heating tube 221 on the measurement result of the temperature controller 24 can be minimized.
  • a distance between the horizontal portion and the annular heating tube 221 is preferably at least 1 mm, so that the heat transferred to the stepped portion 2322 is mostly from the fluid, and the accuracy of the measurement result of the temperature controller 24 is ensured.
  • the minimum distance between the temperature controller 24 and the first electrode 222 has an arc length of 5-15mm on the annular heating tube 221. This location is generally the position with the lowest heat dissipated by the annular heating tube 221, which can further improve the accuracy of the measurement result of the temperature controller 24.
  • the pump cover assembly 2 includes a fuse 25 connected to the second electrode 223, and the fuse 25 includes a second temperature-sensitive surface, and the second temperature-sensitive surface is in contact with the annular heating tube 221.
  • the annular heating tube 221 includes a top surface and two opposite side surfaces connected between the top surface and the bottom surface, the area of the bottom surface is greater than that of the top surface. The fuse 25 is supported and mounted on the top surface.
  • the cross section of the annular heating tube 221 may be trapezoidal or approximately trapezoidal, for example, the aluminum heating tube may be pressed into an approximately trapezoidal shape by high pressure, and the wider bottom surface of the trapezoid is in a thermal-conductive connection with the support ring body 211 by welding. This can increase the heat transfer area on one surface (bottom surface), so that more heat can be transferred to the support ring body 211.
  • the pump cover assembly 2 includes an insulation socket 26.
  • the temperature controller 24, the fuse 25 and the insulation socket 26 are connected in series between the first electrode 222 and the second electrode 223, such that the overall structure is simple and convenient for assembly.
  • the pump cover assembly 2 includes a protective cover 27 disposed on top of the annular heating tube 221, the temperature controller 24, the fuse 25 and the insulation socket 26.
  • the structure of the protective cover 27 can be flexibly designed according to the arrangements of the temperature controller 24, the fuse 25 and the insulation socket 26, as shown in FIG. 1 , when the temperature controller 24, the insulation socket 26 and the fuse 25 are sequentially arranged on the side of the annular heating tube 221, the temperature controller 24 may be connected to the first electrode 222 through a short wire L1, and the fuse 25 may be connected to the second electrode 223 through a long wire L2.
  • the protective cover 27 may include an inner ring disposed above the first ring body 231 of the thermal conductive plate 23, a sector portion connected to the inner ring, and at least two bent plate bodies, the sector portion is located above the other side of the annular heating tube 221.
  • the long wiring L2 may be located above the sector portion.
  • the two bent plate bodies may be configured to fix the temperature controller 24 and the fuse 25 respectively, and in order to facilitate installation and fixation, the sector and the edge of the bent plate body can be bent and fixed on an outside of a grooved flange 2121 to be described below.
  • the protective cover 27 may be made of metal.
  • the top of the side wall 11 is provided with a stepped flange 111 protruding outward
  • the fixing ring body 212 is provided with a grooved flange 2121 capable of snapping and fixing to the outside of the stepped flange 111, that is, the outer periphery of the fixing ring body 212 can be stamped with a tongue to be riveted to the pump housing 1, and in order to improve the sealing performance between the pump cover assembly 2 and the pump housing 1, the pump cover assembly 2 includes a sealing ring 28 disposed between the stepped flange 111 and the grooved flange 2121 which seals the side wall 11 and the support portion 21 .
  • the present invention provides a washing appliance which includes the heating pump described above.
  • the washing appliance may be a dishwasher or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Textile Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Resistance Heating (AREA)

Claims (7)

  1. Pompe chauffante, comprenant :
    un boîtier de pompe (1), comprenant :
    une ouverture ; et
    une paroi latérale (11) s'étendant autour de l'ouverture ; et
    un ensemble couvercle de pompe (2), comprenant :
    une portion de support (21) annulaire recouvrant l'ouverture ; et
    un élément chauffant (22) monté avec conductivité thermique à la portion de support (21) ;
    l'élément chauffant (22) étant séparé du fluide dans la pompe chauffante par la portion de support (21), et une surface de la portion de support (21) en contact avec le fluide est plate ;
    un corps annulaire de support (211) en forme de plaque de la portion de support (21) s'étendant autour d'une ligne centrale de l'ouverture dans un plan perpendiculaire à la ligne centrale ;
    un corps annulaire de fixation (212) de la portion de support (21) se trouvant en connexion avec une périphérie externe du corps annulaire de support (211) et étant conçu pour la fixation au sommet de la paroi latérale (11) ;
    un corps annulaire fléchi (213) de la portion de support (21) se trouvant en connexion avec une périphérie interne du corps annulaire de support (211) et étant conçu pour le raccordement à une conduite externe ;
    l'élément chauffant (22) étant monté sur le corps annulaire de support (211) ;
    l'élément chauffant (22) comprenant un tube de chauffage annulaire (221) ayant un espace et une première électrode (222) et une seconde électrode (223) disposées aux deux extrémités de l'espace du tube de chauffage annulaire (221), respectivement ;
    le tube de chauffage annulaire (221) comprenant une surface inférieure en contact thermique avec le corps annulaire de support (211) et une surface latérale raccordée à la surface inférieure et s'étendant dans le sens de la circonférence du corps annulaire de support (211) ;
    l'ensemble couvercle de pompe (2) comprenant une plaque conductrice thermique (23) conçue pour raccorder avec conductivité thermique la surface latérale et le corps annulaire de support (211) ;
    la plaque conductrice thermique (23) comprenant un premier corps annulaire (231) et un second corps annulaire (232) raccordé au premier corps annulaire (231) ;
    le premier corps annulaire (231) et le second corps annulaire (232) se trouvant en contact de surface avec le corps annulaire de support (211) et la surface latérale du tube de chauffage annulaire (221), respectivement ;
    l'ensemble couvercle de pompe (2) comprenant un dispositif de commande de température (24) en connexion avec la première électrode (222) ;
    le second corps annulaire (232) comprenant un corps annulaire principal (2321) ayant une ouverture et se trouvant en contact avec le tube de chauffage annulaire (221) et une portion à gradins (2322) localisée au niveau de l'ouverture, les deux côtés de la portion à gradins (2322) dans le sens de la circonférence étant respectivement espacés des deux extrémités de l'ouverture du corps annulaire principal (2321) ;
    la portion à gradins (2322) comprenant une portion verticale espacée du tube de chauffage annulaire (221) et une portion horizontale localisée au-dessus du tube de chauffage annulaire (221) avec une distance entre la portion horizontale et le tube de chauffage annulaire (221) ; et
    le dispositif de commande de température (24) étant monté sur la portion horizontale, et le dispositif de commande de température (24) comprenant une première surface sensible à la température en contact avec la portion à gradins (2322).
  2. Pompe chauffante selon la revendication 1, le premier corps annulaire (231) et le second corps annulaire (232) étant respectivement conçus pour être raccordés au corps annulaire de support (211) et à la surface latérale du tube de chauffage annulaire (221) par soudage.
  3. Pompe chauffante selon la revendication 1, la distance entre la portion horizontale et le tube de chauffage annulaire (221) étant d'au moins 1 mm ; et/ou
    la distance minimale entre le dispositif de commande de température (24) et la première électrode (222) ayant une longueur d'arc de 5 à 15 mm sur le tube de chauffage annulaire (221).
  4. Pompe chauffante selon l'une des revendications 1 à 3, l'ensemble couvercle de pompe (2) comprenant un fusible (25) en connexion avec la seconde électrode (223), le fusible (25) comprenant une seconde surface sensible à la température se trouvant en contact avec le tube de chauffage annulaire (221) ;
    le tube de chauffage annulaire (221) comprenant une surface supérieure et les deux surfaces latérales opposées raccordées entre la surface supérieure et la surface inférieure, la superficie de la surface inférieure étant plus grande que la superficie de la surface supérieure, et le fusible (25) étant supporté et monté sur la surface supérieure.
  5. Pompe chauffante selon la revendication 4, l'ensemble couvercle de pompe (2) comprenant une douille isolante (26), le dispositif de commande de température (24), le fusible (25) et la douille isolante (26) étant connectés en série entre la première électrode (222) et la seconde électrode (223).
  6. Pompe chauffante selon la revendication 5 :
    l'ensemble couvercle de pompe (2) comprenant un couvercle protecteur (27) localisé sur le sommet du tube de chauffage annulaire (221), le dispositif de commande de température (24), le fusible (25) et la douille isolante (26) ; et/ou
    le sommet de la paroi latérale (11) étant pourvu d'une collerette à gradins (111) faisant saillie vers l'extérieur, et le corps annulaire de fixation (212) étant pourvu d'une collerette rainurée (2121) capable d'être ajustée par pression à un extérieur de la collerette à gradins (111) ; l'ensemble couvercle de pompe (2) comprenant une bague d'étanchéité (28) disposée entre la collerette à gradins (111) et la collerette rainurée (2121) pour sceller la paroi latérale (11) et la portion de support (21).
  7. Appareil de lavage comprenant la pompe chauffante selon l'une quelconque des revendications 1 à 6.
EP17935583.9A 2017-12-19 2017-12-28 Pompe de chauffage et appareil de lavage Active EP3751150B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711377633.4A CN108167230B (zh) 2017-12-19 2017-12-19 加热泵及洗涤电器
PCT/CN2017/119554 WO2019119507A1 (fr) 2017-12-19 2017-12-28 Pompe de chauffage et appareil de lavage

Publications (3)

Publication Number Publication Date
EP3751150A1 EP3751150A1 (fr) 2020-12-16
EP3751150A4 EP3751150A4 (fr) 2021-02-17
EP3751150B1 true EP3751150B1 (fr) 2024-04-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17935583.9A Active EP3751150B1 (fr) 2017-12-19 2017-12-28 Pompe de chauffage et appareil de lavage

Country Status (3)

Country Link
EP (1) EP3751150B1 (fr)
CN (1) CN108167230B (fr)
WO (1) WO2019119507A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN112294219B (zh) * 2019-07-29 2022-07-12 佛山市威灵洗涤电机制造有限公司 加热泵及具有其的家用电器
CN111706520B (zh) * 2020-06-19 2021-08-27 佛山市威灵洗涤电机制造有限公司 电泵的壳体组件、电泵和洗碗机
CN116696833B (zh) * 2022-03-16 2024-03-19 贝克电热科技（深圳）有限公司 一种刀片加热式的加热泵盖及加热泵
CN114738321B (zh) * 2022-04-07 2022-11-22 贝克电热科技（深圳）有限公司 一种刀片式加热泵盖及加热泵
CN115150725A (zh) * 2022-06-29 2022-10-04 歌尔股份有限公司 喇叭和电子设备

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US20100119360A1 (en) * 2008-11-13 2010-05-13 Daniel Bredl Heatable part of a pump housing
US20160334133A1 (en) * 2014-01-20 2016-11-17 I.R.C.A. S.P.A. Industria Resistenze Corassale e Affini Heater for household appliances

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EP3751150A4 (fr) 2021-02-17
EP3751150A1 (fr) 2020-12-16
CN108167230A (zh) 2018-06-15
CN108167230B (zh) 2020-03-31

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