EP1716338B1 - Dispositif de transport de fluides - Google Patents

Dispositif de transport de fluides Download PDF

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Publication number
EP1716338B1
EP1716338B1 EP05797198A EP05797198A EP1716338B1 EP 1716338 B1 EP1716338 B1 EP 1716338B1 EP 05797198 A EP05797198 A EP 05797198A EP 05797198 A EP05797198 A EP 05797198A EP 1716338 B1 EP1716338 B1 EP 1716338B1
Authority
EP
European Patent Office
Prior art keywords
rotor
permanent magnet
bearing
shaft
arrangement according
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.)
Not-in-force
Application number
EP05797198A
Other languages
German (de)
English (en)
Other versions
EP1716338A1 (fr
Inventor
Francisco Rojo-Lulic
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.)
Ebm Papst St Georgen GmbH and Co KG
Original Assignee
Ebm Papst St Georgen GmbH and Co KG
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 Ebm Papst St Georgen GmbH and Co KG filed Critical Ebm Papst St Georgen GmbH and Co KG
Publication of EP1716338A1 publication Critical patent/EP1716338A1/fr
Application granted granted Critical
Publication of EP1716338B1 publication Critical patent/EP1716338B1/fr
Not-in-force 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
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more 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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/026—Details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/027—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows

Definitions

  • the invention relates to an arrangement for the promotion of fluids, for. B. of liquid and / or gaseous media.
  • the dissipation of the heat from components with high heat flux density is done by means of so-called heat receivers or cold plates.
  • the heat is transferred to a cooling liquid, and this is usually forced into forced circulation in a closed circuit.
  • the cooling liquid flows through not only the heat absorber, but also a liquid pump, which causes the forced circulation and causes an adequate pressure build-up and volume flow through the heat receiver and an associated heat exchanger, so that the heat transfer coefficients associated with these heat transfer coefficients and the temperature gradients necessary for heat transfer become small.
  • a fan In the heat exchanger usually a fan is arranged, which causes on the air side of the heat exchanger forced convection of the cooling air and good Matterertungsungskostoryen.
  • centrifugal pump with a pump
  • this centrifugal pump is connected to a first permanent magnet.
  • the arrangement has a motor with a stator and a rotor, and a rotor associated with the shaft.
  • the arrangement has a second permanent magnet rotatably connected to the rotor, which cooperates with the first permanent magnet in the manner of a magnetic coupling, and it has a split pot, which fluid-tightly separates the first permanent magnet disposed within the containment shell from the second permanent magnet, which is arranged outside of the containment shell and she has a fan wheel with fan blades.
  • this object is achieved by the subject matter of claim 1.
  • the motor can have a great length in relation to the arrangement, which allows a correspondingly high engine performance.
  • this object is achieved by the subject matter of claim 1.
  • the motor can have a great length in relation to the arrangement, which allows a correspondingly high engine performance.
  • the rotor of the arrangement is designed as a permanent magnetic rotor, which allows a compact design, in particular, when the second permanent magnet is formed integrally with the permanent magnetic rotor.
  • FIG. 1 shows a longitudinal section through an arrangement 120 according to the invention.
  • the latter has on the outside an approximately cylindrical fan housing 122 with two flanges 124, 126, at the corners of which is in each case a fastening bore 128 and which are connected to one another by a tubular part 130.
  • the flange 126 is connected by webs or spokes 132 with the lid 138 of a pump housing 136.
  • On the cover 138 is an inlet tube 140.
  • the lid 138 is liquid-tightly connected to the housing 136 in the manner shown.
  • the cylindrical peripheral portion 144 is in Fig. 1 right over into a portion 148 which is perpendicular to the longitudinal axis 150 of the assembly 120.
  • This longitudinal axis 150 corresponds to the Rotary axis of an electronically commutated internal rotor motor 152, the stator 154 and the bell-shaped rotor 156 are designated. Winding elements of the stator 154 are designated by 158.
  • An advantage of the arrangement 120 is that the stator 154 and the rotor 156 may be long relative to the assembly 120, that is, one may use a high power motor 152.
  • the rotor 156 is mounted on a shaft 160, which has for its storage with reference to FIG. 1 - left bearing 162 and a right bearing 164. These are - because of the life - rolling bearings.
  • the inner ring of the left rolling bearing 162 is fixed on the shaft 160.
  • the inner ring of the right roller bearing 164 is slidably disposed relative to the shaft and clamped by a compression spring 166 relative to the rotor 156, which thus spring pushes the inner ring of the rolling bearing 164 to the right while pressing the inner ring of the rolling bearing 162 to the left to a smooth running to ensure the arrangement 120.
  • the shaft 170 is secured to a portion 180 of the housing 136, which portion is approximately perpendicular to the longitudinal axis 150. It merges into a cylindrical portion 182 which extends between a hollow cylindrical, permanent magnetic portion 184 of the rotor 156 and a hollow cylindrical extension 186 of the impeller 172. As shown, the hollow cylindrical portion 184 overlaps the bearing 164, resulting in a very compact construction.
  • the cylindrical portion 182 of the housing 136 in turn merges into an annular portion 188 which is perpendicular to the longitudinal axis 150, and this in turn merges into a portion 190 which extends around the outer periphery of the impeller 176 and merges into the section 148.
  • the sections 180, 182 and 188 of the housing 136 form a so-called split pot. Since the housing 136 is made of plastic, it acts for magnetic flux lines such as air, but is naturally fluid-tight, so that liquid flowing through the inlet 140 into the fluid pump 174 is transported by this pump, and again through an outlet 192 outwardly flows, as indicated by arrows 194, 196, and do not exit the pump 174 to the outside can.
  • the hollow cylindrical extension 196 of the impeller 174 is radially magnetized, z.
  • a magnetic coupling is formed between the extension 184 of the permanent-magnetic rotor 156 and the extension 186 of the impeller 172, and when the rotor 156 rotates during operation, this rotation by the magnetic coupling 184 , 186 transmitted to the impeller 172, so that this also rotates.
  • the impeller 172 also has a ring Schelbenförmigen portion 200 which is formed as a permanent magnet and which cooperates with the stray magnetic field at the lower end of the rotor 156 and also forms part of the magnetic coupling, that is, a portion of the torque from the rotor 156th transmits to the impeller 172.
  • a ring Schelbenförmigen portion 200 which is formed as a permanent magnet and which cooperates with the stray magnetic field at the lower end of the rotor 156 and also forms part of the magnetic coupling, that is, a portion of the torque from the rotor 156th transmits to the impeller 172.
  • the upper bearing 162 of the rotor 156 which is shown in FIG. 2, is arranged in a collar 202 of a housing part 204, which, as indicated, may be cup-shaped.
  • This collar goes over a kind of bearing plate 206 in a cylindrical portion 208 which surrounds most of the stator 154 and ends at a flange 210 which is connected to a flange 212 of the housing part 144, e.g. as shown by a latching connection by means of a plurality of latching hooks 213, of which only one is shown.
  • These are preferably mounted on the radially inner side of the flange 212 and allow a very simple assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Motor Or Generator Cooling System (AREA)

Claims (16)

  1. Dispositif de convoyage de fluides, comprenant :
    une pompe à fluide (174) réalisée à la manière d'une pompe centrifuge, munie d'une roue de pompage (172) montée à rotation et reliée à un premier aimant permanent (186) ;
    un moteur (152) à induit intérieur commuté électroniquement, comportant un stator (154) et un rotor (156) ;
    un arbre (160) associé au rotor (156), et monté à rotation (162, 164) vis-à-vis du stator (154);
    un second aimant permanent (184) relié au rotor (156) avec verrouillage rotatif, et coopérant avec le premier aimant permanent (186) à la manière d'un accouplement magnétique ;
    une cuvette scindée (170, 180, 188) qui sépare avec étanchéité aux fluides le premier aimant permanent (186) de l'accouplement magnétique, logé à l'intérieur de cette cuvette scindée, d'avec le second aimant permanent (184) situé à l'extérieur de ladite cuvette scindée ;
    sachant que l'un (164) des paliers, affectés à l'arbre du rotor (156), se trouve à l'extérieur de la cuvette scindée ;
    un ensemble de support (204) relié au stator (154) et destiné à un autre (162) desdits paliers de l'arbre (160) du rotor (156) ;
    et une roue de ventilation (218) pourvue d'ailettes de ventilation (220) et reliée, avec verrouillage rotatif, à une région extrême (214) de l'arbre (160) du rotor (156) qui est tournée à l'opposé de la cuvette scindée (170, 180, 188).
  2. Dispositif selon la revendication 1, dans lequel le rotor est réalisé sous la forme d'un rotor (156) à magnétisation permanente.
  3. Dispositif selon la revendication 2, dans lequel le second aimant permanent (184) est réalisé d'un seul tenant avec le rotor (156) à magnétisation permanente.
  4. Dispositif selon l'une des revendications 1 à 3, dans lequel le rotor (156) à magnétisation permanente coiffe au moins partiellement, en association avec le second aimant permanent (184) qui s'y trouve, le palier (164) destiné à l'arbre (160) dudit rotor (156) et disposé sur la cuvette scindée (170, 180, 188), à l'extérieur de cette dernière.
  5. Dispositif selon l'une des revendications précédentes, dans lequel le système de montage, affecté au rotor (156) du moteur (152) à induit intérieur, présente une tubulure de portée (168) reliée rigidement à la cuvette scindée (170, 180, 188).
  6. Dispositif selon la revendication 5, dans lequel la tubulure de portée (168) est réalisée d'un seul tenant avec la cuvette scindée (170, 180, 188).
  7. Dispositif selon l'une des revendications précédentes, dans lequel l'ensemble de support (204) ceinture le stator (154) au moins par zones et s'étend, à l'extérieur de ce dernier, à la manière d'un flasque de portée (204) dans lequel l'autre palier (162) est disposé.
  8. Dispositif selon l'une des revendications précédentes, dans lequel la roue de ventilation (218) possède un agencement en forme de pot, qui s'étend à peu près parallèlement au pourtour extérieur du stator (154), et sur le pourtour extérieur duquel des ailettes de ventilation (220) sont implantées.
  9. Dispositif selon l'une des revendications précédentes, dans lequel la pompe à fluide (174) comporte un couvercle (138) pourvu d'un raccord (140) destiné au fluide.
  10. Dispositif selon l'une des revendications précédentes, dans lequel le palier (164), affecté à l'arbre (160) du rotor (156) et logé dans la cuvette scindée (170, 180, 188), est conçu comme un palier de roulement, et ledit arbre (160) peut coulisser dans la bague intérieure de ce palier de roulement (164).
  11. Dispositif selon la revendication 7, dans lequel un organe élastique (166), prévu entre le rotor (156) et la bague intérieure du palier de roulement (164), applique une force axiale à ladite bague intérieure vis-à-vis dudit rotor (156).
  12. Dispositif de convoyage de fluides, comprenant :
    une pompe à fluide (174) réalisée à la manière d'une pompe centrifuge, munie d'une roue de pompage (172) montée à rotation et reliée à un premier aimant permanent (186) ;
    un moteur (152) à induit intérieur commuté électroniquement, comportant un stator (154) et un rotor (156) à magnétisation permanente ;
    un arbre (160) associé au rotor (156), et monté à rotation (162, 164) vis-à-vis du stator (154) ;
    une cuvette scindée (170, 180, 188) qui entoure, avec étanchéité aux fluides, le premier aimant permanent (186) logé à l'intérieur de cette cuvette scindée, un premier palier (164), destiné à l'arbre du rotor (156), étant situé sur ladite cuvette scindée, à la face extérieure de cette dernière ;
    un ensemble de support (204) relié au stator (154) et destiné à un second palier (162) de l'arbre (160) du rotor (156) ;
    une roue de ventilation (218) munie d'ailettes de ventilation (220) et reliée, avec verrouillage rotatif, à une région extrême (214) de l'arbre (160) du rotor (156) qui est tournée à l'opposé de la cuvette scindée (170, 180, 188) ;
    et un second aimant permanent (184) qui est réalisé sous la forme d'un appendice du rotor (156) à magnétisation permanente, coiffe le premier palier (164), coopère avec le premier aimant permanent (186) à la manière d'un accouplement magnétique et est séparé d'avec ledit premier aimant permanent (186), avec étanchéité aux fluides, par l'intermédiaire de la cuvette scindée (170, 180, 188).
  13. Dispositif selon la revendication 12, dans lequel le second aimant permanent (184) est réalisé d'un seul tenant avec le rotor (156) à magnétisation permanente.
  14. Dispositif selon la revendication 12 ou 13, dans lequel le premier palier (164) est conçu comme un palier de roulement,
    et l'arbre (160) peut coulisser axialement dans la bague intérieure de ce palier de roulement (164).
  15. Dispositif selon la revendication 14, dans lequel un organe élastique (166), prévu entre le rotor (156) et la bague intérieure du palier de roulement (164), applique une force axiale à ladite bague intérieure vis-à-vis dudit rotor (156).
  16. Dispositif selon l'une des revendications 13 à 15, dans lequel le premier palier (164) présente une tubulure de portée (168) reliée à la face extérieure de la cuvette scindée (170, 180, 188).
EP05797198A 2004-11-23 2005-09-30 Dispositif de transport de fluides Not-in-force EP1716338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004018753 2004-11-23
PCT/EP2005/010565 WO2006056262A1 (fr) 2004-11-23 2005-09-30 Dispositif de transport de fluides

Publications (2)

Publication Number Publication Date
EP1716338A1 EP1716338A1 (fr) 2006-11-02
EP1716338B1 true EP1716338B1 (fr) 2007-07-11

Family

ID=35447990

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05797198A Not-in-force EP1716338B1 (fr) 2004-11-23 2005-09-30 Dispositif de transport de fluides

Country Status (6)

Country Link
US (1) US7582997B2 (fr)
EP (1) EP1716338B1 (fr)
AT (1) ATE366876T1 (fr)
DE (1) DE502005001019D1 (fr)
ES (1) ES2287915T3 (fr)
WO (1) WO2006056262A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11437900B2 (en) 2019-12-19 2022-09-06 Black & Decker Inc. Modular outer-rotor brushless motor for a power tool
US11757330B2 (en) 2019-12-19 2023-09-12 Black & Decker, Inc. Canned outer-rotor brushless motor for a power tool

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WO2006027043A1 (fr) * 2004-09-10 2006-03-16 Ebm-Papst St. Georgen Gmbh & Co. Kg Dispositif de circulation de fluides
JP4727467B2 (ja) * 2006-03-17 2011-07-20 日本電産サンキョー株式会社 モータ
EP2129920A1 (fr) * 2007-03-31 2009-12-09 Ebm-Papst St. Georgen GmbH & CO. KG Dispositif de transport de fluides
US8092154B2 (en) * 2007-12-18 2012-01-10 Minebea Co., Ltd. Integrated fan with pump and heat exchanger cooling capability
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US8110936B2 (en) * 2008-07-30 2012-02-07 Hankuk Relay Co., Ltd. Power transmission apparatus for wind power generation and wind power generator using the same
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DE102012209199A1 (de) * 2012-05-31 2013-12-05 Robert Bosch Gmbh Lüftersystem für ein Kühlsystem einer Brennkraftmaschine
DE112014001518T5 (de) * 2013-03-20 2016-01-28 Magna Powertrain Inc. Elektrische Tandempumpe
CN103790836B (zh) * 2014-01-16 2017-01-04 苏州泰格动力机器有限公司 一体水冷式永磁电机水泵
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11437900B2 (en) 2019-12-19 2022-09-06 Black & Decker Inc. Modular outer-rotor brushless motor for a power tool
US11757330B2 (en) 2019-12-19 2023-09-12 Black & Decker, Inc. Canned outer-rotor brushless motor for a power tool

Also Published As

Publication number Publication date
EP1716338A1 (fr) 2006-11-02
DE502005001019D1 (de) 2007-08-23
WO2006056262A1 (fr) 2006-06-01
US20080061638A1 (en) 2008-03-13
ES2287915T3 (es) 2007-12-16
US7582997B2 (en) 2009-09-01
ATE366876T1 (de) 2007-08-15

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