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EP3011187B1 - Pumpe mit einer heizeinrichtung - Google Patents

Pumpe mit einer heizeinrichtung Download PDF

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Publication number
EP3011187B1
EP3011187B1 EP14727560.6A EP14727560A EP3011187B1 EP 3011187 B1 EP3011187 B1 EP 3011187B1 EP 14727560 A EP14727560 A EP 14727560A EP 3011187 B1 EP3011187 B1 EP 3011187B1
Authority
EP
European Patent Office
Prior art keywords
pump
pump chamber
impeller
heating device
heating
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
EP14727560.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3011187A1 (de
Inventor
Stefanie Roth
Uwe Kögel
Tobias Albert
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 PL14727560T priority Critical patent/PL3011187T3/pl
Publication of EP3011187A1 publication Critical patent/EP3011187A1/de
Application granted granted Critical
Publication of EP3011187B1 publication Critical patent/EP3011187B1/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
    • 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
    • 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

Definitions

  • the invention relates to a pump, preferably impeller pump or radial pump, with a heating device.
  • a pump preferably impeller pump or radial pump
  • the heater is tubular and forms part of an outer wall of a pump chamber.
  • heating means in the form of Dick Anlagenleitern are provided.
  • the circulating water flows out of the pump chamber along its path from the impeller to the outlet.
  • the heating elements are designed as thick-film heating.
  • the invention has for its object to provide a pump provided with a heater with which problems of the prior art can be avoided and it is particularly possible to make a heater suitable for use and with the highest possible heating power to water when pumping or conveying to heat as well as possible.
  • the heating device is arranged in a pump with pump housing and pump chamber in this pump chamber, which serves as a boundary of the pump chamber in the radial direction.
  • the heating device forms a circumferential outer wall of the pump chamber of the pump.
  • the heating device has a carrier as a kind of tube with a round cross-section around a longitudinal axis of the heating device around.
  • the carrier protrudes at at least one end with a projection region over a plane perpendicular to the longitudinal axis, or the carrier is longer at this peripheral region than at another. At this supernatant area, the carrier is thus longer than usual, so to speak. Furthermore, the carrier has a shorter area or shelter area with which it runs along this plane or even below this plane. Thus, the shelter area can define the actual length of the beam along the longitudinal axis, especially if the shelter area is longer or larger. At the supernatant region, the carrier projects with an area or a distance, so to speak, and is therefore longer here.
  • the heater may be longer in some areas where they do not necessarily have to have a single and uniform length.
  • it can be better fitted in a pump housing or in a pump chamber.
  • thereby a kind of enlargement of the surface of the heater and thus also the heating power can be achieved. This will be explained in more detail below.
  • the carrier may have different heights or different lengths in the axial direction of said longitudinal axis. It can be provided that it has exactly one supernatant region and at least one shelter area, preferably also exactly one shelter area. Essentially, it depends on the fact that the carrier or the heating device is just longer in one area, namely the supernatant area, and protrudes from the other shape.
  • the other end of the carrier is cut straight.
  • such a section is parallel to the said plane perpendicular to the longitudinal axis or perpendicular itself, because it is relatively easy to perform on the one hand.
  • an adaptation of the carrier or the heating device to a flat side of the pump chamber can take place.
  • a truncation of the heater or the carrier can advantageously be done with laser.
  • the protrusion region can be formed so that the carrier is simply cut off at one end at an angle. This results in a cutting plane at an angle of 5 ° to 45 ° can stand to the longitudinal axis. Preferably, it can be at an angle of 15 ° to 30 ° to the longitudinal axis.
  • the oblique cut on the support is formed so that forms a continuously rising and then again continuously sloping protrusion region.
  • the supernatant region may be formed as a protruding region such that it rises sharply rising from a rather straight cut off carrier, forms a tip or a maximum projection and then drops again. An increase and decrease in the supernatant region can generally be symmetrical or unbalanced.
  • the supernatant region may increase slowly and then fall sharply and significantly steeper after a maximum supernatant.
  • an end edge or cut edge of the carrier can run continuously at the end with the protrusion region.
  • the pitch of the projection region can be formed at least partially varying.
  • the end edge of the carrier can just run in a plane here.
  • the carrier has as a basic shape a kind of tube with a round cross-section around a longitudinal axis. This is advantageously a cylindrical tube. It should have approximately constant wall thickness.
  • a cylindrical tube with a circular cross-section is easy to manufacture and also has very good properties for use in an impeller pump or radial pump as outer Pumpenschdung. It may consist of stainless steel for corrosion resistance, as it is basically known for this purpose.
  • the heating means or heating elements are arranged for this purpose on an outer side of the carrier or the heating device.
  • the heating means are distributed over a surface or cover not only itself directly an area with a certain Schuffenbach. Rather, they can, of course, with a certain distance to each other, cover a certain or larger area and thus also produce an approximately evenly distributed area performance.
  • a substantial part, preferably at least 50%, or the largest part of the surface of the carrier is heated.
  • the heating means themselves or the heating device have the same or a substantially constant area performance. This can be achieved that the essential surface of the heater or the carrier undergoes uniform heating and so even heat transfer takes place evenly in the funded and heated liquid. In order to achieve this, an additional or extended heating means can be provided in the projection region, which would otherwise not be present. Thus, the overall performance of the heater may increase as the area of the carrier increases through the overhang area. In another basic embodiment of the invention, the heating means or the heating device may have an unequal or a different area performance in the projection region. On the one hand, this can be achieved by providing no heating means or only a very small amount of heating means in the projection region.
  • the heat transfer surface can be increased to the pumped liquid out, which is usually accompanied by an additional heating.
  • a surface output can also be provided in the supernatant region by a heating means, which adds up to the previous area performance of the carrier. This can be exploited that near the supernatant region a particularly good heat dissipation by the pumped liquid takes place, for example because it flows very fast or very good along.
  • the pump according to the invention in particular as an impeller pump or radial pump, has at least one inlet into the pump chamber on the pump housing or on the pump chamber and at least one outlet out of the pump chamber.
  • This central inlet leads into the pump chamber along the longitudinal central axis of the pump or concentrically with an impeller axis and toward the impeller. Starting from the impeller extends around the pump chamber, in fact substantially circular. A substantial area of the outer wall of the pump chamber is then formed by the aforesaid heating device, as it were a kind of shell wall of the pump chamber.
  • An outlet from the pump chamber is provided at an end of the pump chamber remote from the impeller.
  • the outlet goes from the end of the pump chamber with a width that starts from the width of the pump chamber and then increases.
  • the pump chamber rises in the region shortly before the outlet, for example along a half or a third revolution, at an angle between 5 ° and 30 ° to the plane perpendicular to the longitudinal center axis of the pump and can then open into the outlet.
  • the supernatant region of the heater is arranged so that it can use the existing at this point greater height of the pump chamber, which appears as a kind of supernatant, and run it. As previously mentioned, this generally makes use of an additional possibility of an enlarged heater with more area.
  • the other end of the heater which is advantageously cut approximately straight, may be arranged at the other axial end portion of the pump chamber, in particular close to the impeller or these and the inlet radially surrounding approximately. This takes into account that the impeller usually rotates on a boundary of the pump chamber running essentially in one plane or at least rotationally symmetrical, which just favors a straight-cut end of the heating device.
  • a pump 11 according to the invention with a pump housing 12 is shown in section, which is designed as an impeller pump or radial pump. It can be used advantageously in a dishwasher or in a washing machine.
  • the pump housing 12 has an inlet 13 and an outlet 14 together with outlet 15 from an annular pump chamber 16 out. Close to a pump chamber bottom 17, a conventional impeller 18 is arranged as an impeller, which is driven by a pump motor 20 not described in detail.
  • a pump is known from the DE 102011003467 A1 ,
  • the pump chamber 16 is bounded by a heater 22 according to the invention which simultaneously forms an aforementioned radial outer pump chamber wall.
  • the heater 22 consists of a metallic tubular support 24 and arranged on its outside heating elements 26. Its possible embodiments are explained in more detail below.
  • the heater 22 is seated together with U-like cross-sealing ring 23a and round sealing ring 23b sealed in the pump housing 12th
  • the heater 22 is on the one hand round or circular, advantageously cut to length by a pipe. Furthermore, it or the carrier 24 in the Fig. 1 below an aforementioned projection region 28, with which it projects beyond a plane which is perpendicular to the dashed longitudinal axis L of the heater 22 and the pump 11 and which passes through the upper end in Fig. 1 left top of the heater 22 extends.
  • the heating device 22 according to the FIGS. 2, 4 and 5 be cut off at an angle. According to the Fig.
  • a supernatant region 28' may not be formed continuously or pronounced as a tip or towering tongue, ie with a strong increase and heavy waste just before the top 28 '. This has been explained above. From the Fig. 1 is also good to recognize the advantage of the supernatant region according to the invention, namely that thus the heater 22 and heating elements 26 and thus a heating power in the region of the pump chamber 16 may be provided which is partially increased in the circumferential direction to enter the outlet 14 and then the Outlet 15 to go over.
  • the total provided in the pump 11 heated surface can be increased and, for example, as will be explained below, the total planned heating power can be increased, so that under certain circumstances, a surface power to the heater 22 and the carrier 24 remains approximately the same.
  • the shape of the outlet 14 and the left end of the pump chamber 16 can be easily imagine that from the area in the upper left in Fig. 1 the pump housing 12 and in particular the heating device 22 correspondingly rising and thus no longer perpendicular to the longitudinal central axis L extends to the area that bottom left in the Fig. 1 is shown. In particular, from the isolated representations of the heaters of FIGS. 2, 4 and 5 this can be seen.
  • a seal by means of the sealing rings 23a left and 23b right is a little more complicated in the left sealing ring 23a, because this does not extend in a plane perpendicular to the longitudinal central axis L. But this can just be easily solved by the fact that the left sealing ring 23a, as shown, a left end edge of the heater 22 includes U-like and thus sits firmly and tightly.
  • a left end edge of the heater 22 includes U-like and thus sits firmly and tightly.
  • the three lower heating elements 26a to 26c extend starting from a contact 27a parallel to each other and also parallel to the lower, so to speak straight end edge of the heater 22.
  • the uppermost heating element 26d extends slightly upwards in the area created by the protrusion region 28 and thus has a significantly greater distance to the nearest heating element 26c. Due to the lateral heat distribution in the carrier 24 of the heating device 22, it can be assumed that the liquid flowing along it also heats up in this intermediate region. Essentially, however, this is a variant of a heating device which has approximately the same total heating power when the surface area is increased.
  • heating elements 126a to 126e in turn depart from contacts 127a and 127b and extend approximately in the direction of rotation of the heating device 122 or of the corresponding support tube 124.
  • the heating elements 126a to 126e have as far as possible equal distances to one another, so that only the lowermost heating element 126a runs parallel to the lower straight end edge of the heating device 122.
  • the next heating element 126b has already been pulled slightly upwards and thus no longer runs parallel to it.
  • due to the oblique courses of the heating elements 126 their lengths are slightly different.
  • each of the heating elements generates as much heat as possible.
  • the heating elements 126 have an increasing length up to the uppermost heating element 126e, a total heating power may also remain the same despite the added projection region 128.
  • a further modification of a heating device 222 according to the invention is shown. Again, run on a tubular support 224 a plurality of heating elements 226a to 226d. While the three lower heating elements 226a to 226c are similar in shape and parallel to each other and parallel to the lower end edge of the carrier 224, an upper heating element 226d is formed differently. It is, in order to additionally exploit the surface area of the overhang area 228 that has been gained, in a meandering or wavy manner and thus directly covers a larger area. Furthermore, the heating element 226d heats an even larger area by its corrugated shape. Due to its length, in turn, a cross section, in particular a width, of the heating element 226d can be reduced in comparison to the other heating elements 226a to 226c, so that overall it also has a significantly higher heating power.
  • the heater 222 is according to Fig. 5 an example of how can be achieved by the increased surface area of the heater or the carrier, a total significantly increased total heating power.
  • the area output of the heating device 222 can also roughly correspond to that of a heating device with four heating elements corresponding to the heating elements 226a to 226c which has just been cut off at the top.
  • a pump housing 312 has an inlet 313 in a not visible here pump chamber 316, wherein also not shown Impeller is located just below the inlet 313, so far left. Although this still corresponds to a certain extent the pump 11 off Fig. 1 , however, then in the pump 311 of the Fig. 6 the pump chamber 316 and a surrounding the pump chamber heater 322 is formed so that it runs from the impeller in the other direction, ie to the right, especially in the direction of a pump motor 320 or under certain circumstances, this may even extend beyond this piece. In particular, a projection region 328 of the heater 322 now projects in a direction to the right away from the impeller and from the inlet 313.
  • Fig. 6 In the Fig. 6 is to be seen in the upper right near the projection region 328 of the heater, as there is an outlet 314 from the pump chamber 316 and the pump housing 312 is provided, which leads in the direction of rotation of the pumped liquid in the drawing plane into the exhaust port 315 shown below. At the outlet 315 itself it can be seen that here the heater 322 can not have a high altitude. Like in Fig. 1 However, it can be seen in the top of the page Fig. 6 In the region of the outlet 314, the distinct projection region 328 may very well be provided.
  • the heater 322 can basically as described above or according to the FIGS. 2, 4 and 5 be formed, ie outside wear heating elements with different training and / or arrangement.
  • the rotation according to the Fig. 7 to 9 in each case 90 ° illustrates how with the obliquely cut heater 322 and the correspondingly formed protrusion region 328, the special shape of the outer wall of the pump chamber 316 can be used to form the heater, which forms a substantial part of this pump chamber wall, as large as possible. From the Fig. 9 is again specifically seen that just in the area in which the outlet 314 and the outlet port 315 separates from the pump chamber, a supernatant area can not be provided.
  • the shifted cutting planes of the 10 to 12 make the course or the shape of the heater 322 again clear.
  • the maximum possible space or the maximum possible area on the outer pump chamber wall is used for the heating device. It is assumed here that the pump chamber or the pump housing in the mold is substantially embossed by an optimized outlet 314 or outlet connection 315.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Resistance Heating (AREA)
  • External Artificial Organs (AREA)
EP14727560.6A 2013-06-19 2014-06-03 Pumpe mit einer heizeinrichtung Active EP3011187B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14727560T PL3011187T3 (pl) 2013-06-19 2014-06-03 Pompa z urządzeniem grzewczym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013211556.3A DE102013211556A1 (de) 2013-06-19 2013-06-19 Heizeinrichtung für eine Pumpe und Pumpe
PCT/EP2014/061486 WO2014202382A1 (de) 2013-06-19 2014-06-03 Heizeinrichtung für eine pumpe und pumpe

Publications (2)

Publication Number Publication Date
EP3011187A1 EP3011187A1 (de) 2016-04-27
EP3011187B1 true EP3011187B1 (de) 2018-08-29

Family

ID=50877323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14727560.6A Active EP3011187B1 (de) 2013-06-19 2014-06-03 Pumpe mit einer heizeinrichtung

Country Status (8)

Country Link
EP (1) EP3011187B1 (pl)
JP (1) JP6395819B2 (pl)
CN (1) CN105378292A (pl)
DE (1) DE102013211556A1 (pl)
ES (1) ES2697398T3 (pl)
PL (1) PL3011187T3 (pl)
TR (1) TR201815954T4 (pl)
WO (1) WO2014202382A1 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101893847B1 (ko) * 2016-11-11 2018-08-31 명화공업주식회사 워터펌프
CN108567390B (zh) * 2017-03-07 2021-07-06 三花亚威科电器设备（芜湖）有限公司 洗碗机的水泵和具有其的洗碗机
CN109595177A (zh) * 2017-09-30 2019-04-09 三花亚威科电器设备（芜湖）有限公司 泵
CN111954481B (zh) * 2018-04-10 2024-07-26 Bsh家用电器有限公司 具有至少一个用于流体穿流的管件的加热装置的家用电器
DE102018208252A1 (de) * 2018-05-25 2019-11-28 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Herstellung einer Heizeinrichtung und damit hergestellte Heizeinrichtung
CN110107504B (zh) * 2019-05-20 2021-11-19 佛山市顺德区美的洗涤电器制造有限公司 加热泵和洗碗机
WO2021109897A1 (zh) * 2019-12-04 2021-06-10 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
CN112900020A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
CN112900019A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
US20230304499A1 (en) * 2020-08-07 2023-09-28 Guangdong Hanyu Auto Parts Co., Ltd. Electric pump for power battery thermal management system
CN111946631A (zh) * 2020-08-31 2020-11-17 赛默（厦门）智能科技有限公司 自发热水泵

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DE3709272A1 (de) * 1987-03-20 1988-09-29 Licentia Gmbh Trommelwaschmaschine
JP2587908Y2 (ja) * 1993-06-14 1998-12-24 東陶機器株式会社 凍結防止用ヒータ付ポンプ
DE102007017271A1 (de) * 2007-04-12 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Pumpe mit Heizeinrichtung
DE102007060193A1 (de) * 2007-12-14 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät
DE202008015058U1 (de) * 2008-11-13 2009-02-19 Eichenauer Heizelemente Gmbh & Co. Kg Beheizbares Pumpengehäuseteil
DE102010043727A1 (de) * 2010-11-10 2012-05-10 E.G.O. Elektro-Gerätebau GmbH Pumpe
DE102011003467A1 (de) 2011-02-01 2012-08-02 E.G.O. Elektro-Gerätebau GmbH Heizeinrichtung für eine Pumpe und Pumpe
CN102748329B (zh) * 2011-04-15 2017-02-22 德昌电机(深圳)有限公司 加热泵
ITPN20120008A1 (it) * 2012-02-07 2013-08-08 Nidec Sole Motor Corp S R L Turbo-pompa centrifuga con camera di pompaggio perfezionata
DE102012202065B3 (de) * 2012-02-10 2013-05-29 E.G.O. Elektro-Gerätebau GmbH Pumpe und Verfahren zum Beheizen einer Pumpe
DE102013211180A1 (de) 2013-06-14 2014-12-18 E.G.O. Elektro-Gerätebau GmbH Pumpe

Also Published As

Publication number Publication date
EP3011187A1 (de) 2016-04-27
TR201815954T4 (tr) 2018-11-21
CN105378292A (zh) 2016-03-02
WO2014202382A1 (de) 2014-12-24
DE102013211556A1 (de) 2014-12-24
JP6395819B2 (ja) 2018-09-26
JP2016522354A (ja) 2016-07-28
ES2697398T3 (es) 2019-01-23
PL3011187T3 (pl) 2019-02-28

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