EP1716338A1 - Dispositif de transport de fluides - Google Patents

Dispositif de transport de fluides

Info

Publication number
EP1716338A1
EP1716338A1 EP05797198A EP05797198A EP1716338A1 EP 1716338 A1 EP1716338 A1 EP 1716338A1 EP 05797198 A EP05797198 A EP 05797198A EP 05797198 A EP05797198 A EP 05797198A EP 1716338 A1 EP1716338 A1 EP 1716338A1
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.)
Granted
Application number
EP05797198A
Other languages
German (de)
English (en)
Other versions
EP1716338B1 (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
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 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 a forced convection of the cooling air and good transfer coefficients on the air side of the heat exchanger.
  • 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 a preferred embodiment of an inventive arrangement
  • FIG. 2 shows an enlarged detail of FIG. 1.
  • 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, for its support, has a left bearing 162 and a right bearing 164, as shown in FIG. 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 outer ring of the rolling bearing 164 is mounted in a tubular extension 168 of the housing 136, which may also be referred to as a bearing tube 168.
  • a short shaft 170 for a pump wheel 172 of a centrifugal pump 174 is mounted in the housing 136 as shown.
  • the impeller 172 is for this purpose provided with a sintered bearing 176 that slides on the fixed shaft 170 and forms a sliding bearing with this.
  • 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 186 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-shaped 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 shown, may be cup-shaped.
  • This collar passes over a kind of bearing plate 206 in a cylindrical portion 208 which encloses most of the stator 154 and ends at a flange 210 which is connected to a flange 212 of the housing part 144, for. B. 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.
  • the collar 202 is located in a recess of the housing part 204, and out of this recess, the shaft end 214 of the shaft 160 protrudes.
  • the hub 216 of a cup-shaped fan 218 is pressed on which fan blades 220 are arranged in the usual manner.
  • this fan wheel 218 transports air in the axial direction through the fan housing 122, and this air is preferably used to cool a liquid cooler for the fluid from the fluid pump 174.
  • the fan can be used as needed, e.g. also be designed as diagonal or radial fan.

Landscapes

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

Abstract

L'invention concerne un dispositif de transport de fluides comprenant une pompe à fluide (174) dotée d'une roue de pompe (172) montée pivotante et reliée à un premier aimant permanent (186). Ce dispositif comprend également un moteur à induit interne (152) à commutation électronique doté d'un stator (154) et d'un rotor (156) ainsi qu'un arbre (160) qui est associé à ce dernier et qui est monté pivotant par rapport au stator (154). Ce dispositif a également un deuxième aimant permanent (184) qui est relié bloqué en rotation avec le rotor (156) et qui coopère avec le premier aimant permanent (186) à la manière d'un accouplement à aimant ainsi qu'un pot de fission (170, 180, 188) qui sépare le premier aimant permanent (186) placé dans ce pot de fission de manière étanche au fluide du deuxième aimant permanent (184) placé à l'extérieur du pot de fission. A l'extérieur du pot de fission, un des paliers (164) de l'arbre du rotor (156) est placé contre ce pot. Un dispositif support (204) destiné à un autre des paliers (162) de cet arbre (160) est relié au stator (154). Une roue de ventilateur (218) est reliée bloquée en rotation à une zone terminale (214) de l'arbre (160), cette zone étant opposée au pot de fission.
EP05797198A 2004-11-23 2005-09-30 Dispositif de transport de fluides Expired - Lifetime 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 true EP1716338A1 (fr) 2006-11-02
EP1716338B1 EP1716338B1 (fr) 2007-07-11

Family

ID=35447990

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05797198A Expired - Lifetime 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)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1794459A1 (fr) * 2004-09-10 2007-06-13 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
WO2008119404A1 (fr) * 2007-03-31 2008-10-09 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
BRPI0801482A2 (pt) * 2008-05-13 2010-01-12 Whirlpool Sa motor, compressor de gás e elemento de agitação
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
US8760016B2 (en) * 2011-07-29 2014-06-24 Exelis Inc. Electric machine with enhanced cooling
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
EP3280967B1 (fr) 2015-04-10 2019-11-06 Carrier Corporation Échangeur de chaleur à ventilateur intégré
CN107925330A (zh) * 2015-09-04 2018-04-17 皮尔伯格泵技术有限责任公司 具有电驱动电机的汽车辅助装置
US11757330B2 (en) 2019-12-19 2023-09-12 Black & Decker, Inc. Canned outer-rotor brushless motor for a power tool
US11437900B2 (en) 2019-12-19 2022-09-06 Black & Decker Inc. Modular outer-rotor brushless motor for a power tool
DE102020203465A1 (de) 2020-03-18 2021-09-23 Mahle International Gmbh Pumpenanordnung
US12176794B2 (en) 2021-11-19 2024-12-24 Black & Decker Inc. Outer-rotor brushless motor for a power tool
US12557243B2 (en) * 2023-05-23 2026-02-17 Microsoft Technology Licensing, Llc Systems and methods for magnetic pumping in thermal management devices
TWM663474U (zh) * 2024-09-04 2024-11-21 訊凱國際股份有限公司 水冷頭

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US2120914A (en) * 1934-11-19 1938-06-14 Vogel Ernst Electromotor
US2830541A (en) * 1954-06-01 1958-04-15 Allis Chalmers Mfg Co Fluid bearing for a tubular rotating shaft
GB1496035A (en) * 1974-07-18 1977-12-21 Iwaki Co Ltd Magnetically driven centrifugal pump
JPS51111902A (en) * 1975-03-26 1976-10-02 Iwaki:Kk Magnet pump
JPS62147095A (ja) 1985-12-23 1987-07-01 Nitsukisou Eiko Kk マグネツト駆動形ポンプ
DE3636404A1 (de) * 1986-10-25 1988-04-28 Richter Chemie Technik Gmbh Magnetkreiselpumpe
EP0268015B1 (fr) * 1986-11-20 1992-07-01 HERMETIC-PUMPEN GmbH Pompe avec moteur électrique à rotor noyé ou avec accouplement magnétique
DE8711555U1 (de) * 1987-08-26 1987-10-08 Lederle GmbH Pumpen- und Maschinenfabrik, 7803 Gundelfingen Pumpenaggregat, insbesondere zum Fördern heißer Fördermedien
DE3812926A1 (de) 1988-04-18 1989-10-26 Dickow Pumpen Kg Kreiselpumpe mit magnetkupplung
JPH02149796A (ja) * 1988-11-30 1990-06-08 Hitachi Ltd マグネットポンプと、その製造法と、マグネットポンプを用いた原子炉設備
US5066200A (en) * 1990-05-17 1991-11-19 Ansimag, Inc. Double containment pumping system for pumping hazardous materials
DE4113198A1 (de) * 1991-04-23 1992-10-29 Oplaender Wilo Werk Gmbh Elektromotor, insbesondere spaltrohrmotor fuer eine kreiselpumpe oder einen luefter
US5248245A (en) * 1992-11-02 1993-09-28 Ingersoll-Dresser Pump Company Magnetically coupled centrifugal pump with improved casting and lubrication
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ATE289008T1 (de) * 1998-08-21 2005-02-15 Cp Pumpen Ag Magnetgekuppelte kreiselpumpe
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US6600649B1 (en) * 2002-05-24 2003-07-29 Mei-Nan Tsai Heat dissipating device
DE10344699B4 (de) * 2002-09-28 2016-06-09 Ebm-Papst St. Georgen Gmbh & Co. Kg Anordnung und Verfahren zur Wärmeabfuhr von einem zu kühlenden Bauteil
DE502005005690D1 (de) * 2004-03-16 2008-11-27 Emb Papst St Georgen Gmbh & Co Anordnung mit einem elektronisch kommutierten aussenläufermotor

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See references of WO2006056262A1 *

Also Published As

Publication number Publication date
DE502005001019D1 (de) 2007-08-23
WO2006056262A1 (fr) 2006-06-01
ATE366876T1 (de) 2007-08-15
EP1716338B1 (fr) 2007-07-11
US7582997B2 (en) 2009-09-01
ES2287915T3 (es) 2007-12-16
US20080061638A1 (en) 2008-03-13

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