EP1696111A2 - Dispositif pour transmettre le mouvement tournant à un arbre d'entraînement, en particulier pour les pompes à circulation des fluides - Google Patents

Dispositif pour transmettre le mouvement tournant à un arbre d'entraînement, en particulier pour les pompes à circulation des fluides Download PDF

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Publication number
EP1696111A2
EP1696111A2 EP06075117A EP06075117A EP1696111A2 EP 1696111 A2 EP1696111 A2 EP 1696111A2 EP 06075117 A EP06075117 A EP 06075117A EP 06075117 A EP06075117 A EP 06075117A EP 1696111 A2 EP1696111 A2 EP 1696111A2
Authority
EP
European Patent Office
Prior art keywords
driven shaft
ring
pump
coupling
movement
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
EP06075117A
Other languages
German (de)
English (en)
Other versions
EP1696111A3 (fr
EP1696111B1 (fr
Inventor
Piercarlo Boffelli
Claudio Bellotti
Erminio Depoli
Fabio Natale
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.)
Baruffaldi SpA
Original Assignee
Baruffaldi SpA
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 Baruffaldi SpA filed Critical Baruffaldi SpA
Publication of EP1696111A2 publication Critical patent/EP1696111A2/fr
Publication of EP1696111A3 publication Critical patent/EP1696111A3/fr
Application granted granted Critical
Publication of EP1696111B1 publication Critical patent/EP1696111B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/162—Controlling of coolant flow the coolant being liquid by thermostatic control by cutting in and out of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
    • 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
    • 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
    • F04D13/022—Units comprising pumps and their driving means containing a coupling a coupling allowing slip, e.g. torque converter
    • 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

Definitions

  • the present invention relates to a device for controlling the means for recirculating an engine cooling fluid, in particular for vehicles.
  • Examples of these devices are known, for example, from DE 101 58 732 and EP 1,353,051.
  • the first device in that, despite having smaller axial dimensions, it envisages, however, a magnetic induction coupling for the slower speed which is unable to achieve high values of the torque to be transmitted to the pump shaft, making the device unsuitable for high-capacity pumps such as those used in heavy vehicles, in particular of the type having a low engine rpm, but a high number of revolutions of the pump.
  • the second device instead envisages radial dimensions which, extending beyond the dimensions of the clutch rotor, said rotor being normally incorporated in the pulley connected to the driving shaft, make it difficult to house the pumps in the different engine compartments of the vehicles.
  • the technical problem which is posed, therefore, is that of providing a device for controlling the means for recirculating engine cooling fluids for vehicles and the like, which is able to produce a variation in the speed of rotation of the impeller of the said recirculating means depending on the actual operating requirement of the engine.
  • this device should have small dimensions, in particular radial dimensions, but at the same time should be able to produce high torques also at a slower speed of rotation of the engine so as to be applicable also to high-performance pumps of heavy vehicles with low-revolution engines.
  • the device should be easy and inexpensive to produce and assemble and should be able to be installed easily on the pump body without the need for special adaptation.
  • the impeller 1 of a pump for recirculating the cooling fluid of vehicles and the like is mounted on a first end of a shaft 2 supported by a stationary assembly 10 comprising the body 11 of the pump fixed to the base 11a of the vehicle engine.
  • the pump body 11 has, arranged inside it, a sealing bearing 12, coaxial with the shaft 2, and a bearing 13, on the inner race of which the shaft 2 of the impeller is keyed.
  • the pump body 11 has, keyed onto the outside thereof, a second bearing 40, the outer race 40a of which is integral with a circular ring 21 which is suitably shaped and on the outer circumferential edge of which there is formed a pulley 21a, suitable for engagement with a belt 3 for transmission of the movement to the ring 21.
  • the circular ring 21 has an extension in the axial direction 21b which forms the rotor of an electromagnetic coupling 20 which comprises a fixed electromagnet 22 housed inside a corresponding seat of the said rotor 21 and an armature 23 made of friction material and arranged facing the rotor 21 on the opposite side to the electromagnet and integral with a resilient membrane 24 in turn constrained to a driven element consisting of a flange 14 mounted on the shaft 2 by means of a corresponding sleeve 14a.
  • the armature 23 is able to perform movements in the axial direction towards/away from the rotor 21, but is locked as regards relative rotation with respect to the flange 14.
  • a permanent magnet 60 is also envisaged, being arranged on the fixed support of the electromagnet 22.
  • the rotor 23 also has, mounted thereon, a conductive support 32a with a magnetizable element 32 which forms the first part of a second Foucault current induction coupling 30, the second part of which is formed by a plurality of small magnets 31 integral with the circular flange 14 connected to the driven shaft 2 so as to be axially opposite the said magnetizable element 32 with a predetermined air gap.
  • the rotor part 21 with the magnetizable element 32 has interruptions 21c in the magnetic conductivity of the rotor so as to cause suitable annular closing of the magnetic flux lines as shown in Fig. 1.
  • the fact that the armature 24 is independent of the coupling 30 improves the operating conditions of the latter since dangerous contact between the magnets integral with the rotor and the support of the magnetizable elements 32 in the event of wear of the said armature is avoided.
  • the presence of the permanent magnet 60 ensures that, in the event of an electrical failure, the armature is always engaged with the rotor, ensuring recirculation of the cooling fluid ("fail safe” mode).
  • Fig. 2 shows a second embodiment of the device according to the present invention which, in this simplified form, has a flange 114 with a radial dimension substantially contained within the radial dimension of the bearing 40 and devoid of the Foucault coupling 30.
  • Fig. 3 shows a variant of the second embodiment of the device shown in Fig. 2; in this configuration it is envisaged that, in addition to the reduction in the radial dimensions of the flange 114, the electromagnet 122 is of the conventional type, resulting in ON/OFF operation with a speed of rotation and neutral of the conventional type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP06075117A 2005-01-26 2006-01-18 Dispositif pour transmettre le mouvement tournant à un arbre d'entraînement, en particulier pour les pompes à circulation des fluides Expired - Lifetime EP1696111B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000056U ITMI20050056U1 (it) 2005-01-26 2005-01-26 Dispositivo di trasmissione del moto di rotazione ad un albero condotto particolarmente per pompe di ricircolo di fluidi

Publications (3)

Publication Number Publication Date
EP1696111A2 true EP1696111A2 (fr) 2006-08-30
EP1696111A3 EP1696111A3 (fr) 2009-09-23
EP1696111B1 EP1696111B1 (fr) 2011-12-14

Family

ID=36481314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06075117A Expired - Lifetime EP1696111B1 (fr) 2005-01-26 2006-01-18 Dispositif pour transmettre le mouvement tournant à un arbre d'entraînement, en particulier pour les pompes à circulation des fluides

Country Status (6)

Country Link
US (1) US20060165539A1 (fr)
EP (1) EP1696111B1 (fr)
CN (1) CN1821556B (fr)
BR (1) BRPI0600137A (fr)
IT (1) ITMI20050056U1 (fr)
RU (1) RU2006102133A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010058233A1 (fr) * 2008-11-18 2010-05-27 Wop Industria E Comércio De Bombas Ltda. Pompe ayant un système d'embrayage électromagnétique
EP2299085A1 (fr) 2009-09-10 2011-03-23 Pierburg Pump Technology GmbH Pompe de refroidissement
WO2011082841A1 (fr) * 2010-01-11 2011-07-14 Pierburg Pump Technology Gmbh Pompe mécanique pour liquide de refroidissement de moteur à combustion
EP2453118A1 (fr) * 2010-11-16 2012-05-16 NTN-SNR Roulements Mécanisme débrayable d'entraînement entre une courroie et un arbre tournant
WO2012095167A1 (fr) * 2011-01-11 2012-07-19 Pierburg Pump Technology Gmbh Pompe à fluide de refroidissement pour automobile, commutable, mécanique
ITMI20120249A1 (it) * 2012-02-20 2013-08-21 Metelli S P A Dispositivo con amplificazione della forza per l interruzione del collegamento meccanico tra puleggia e girante in una pompa di raffreddamento

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20040824A1 (it) * 2004-11-23 2005-02-23 Dayco Europe Srl Dispositivo di azionamento di una pompa di ricircolo per un circuito di raffredamento diun motore a combustione interna
JP2012092900A (ja) * 2010-09-30 2012-05-17 Aisin Seiki Co Ltd 流体ポンプ
CN103277343B (zh) * 2013-06-26 2015-12-02 长城汽车股份有限公司 车辆内燃机冷却系统用水泵
IT201700018662A1 (it) * 2017-02-20 2018-08-20 Baruffaldi Spa Pompa di ricircolo di un fluido di raffreddamento di motori termici con comando motore elettrico
EP3638896B1 (fr) * 2017-06-15 2021-04-14 Baruffaldi S.p.A. Pompe de recirculation d'un liquide de refroidissement pour moteurs à combustion interne à système de commande hybride comprenant un embrayage à friction électromagnétique et un moteur électrique décalés axialement
CN113994099A (zh) * 2019-06-24 2022-01-28 巴鲁法蒂股份公司 用于车辆的冷却液泵
US11637478B2 (en) * 2019-07-19 2023-04-25 Hanon Systems EFP Canada Ltd. Pulley assisted electromagnetic water pump
KR102188166B1 (ko) * 2019-09-30 2020-12-07 현대자동차주식회사 워터펌프-쿨링팬 조립체 및 그의 제어방법
DE102019129134A1 (de) * 2019-10-29 2021-04-29 Licos Trucktec Gmbh Elektromagnetische Reibscheibenkupplung, Nebenaggregat eines Verbrennungsmotors und Verfahren

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158732A1 (de) 2001-11-30 2003-06-12 Linnig Trucktec Gmbh Antriebsorgan für eine Wasserpumpe des Kühlwasserkreislaufes eines Verbrennungsmotors sowie Reibschaltkupplung
EP1353051A2 (fr) 2002-04-08 2003-10-15 Baruffaldi S.p.A. Dispositif pour commander l'arbre d'actionnement d'une pompe de fluide de refroidissement pour des moteurs à combustion interne de véhicule

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US4169360A (en) * 1977-05-16 1979-10-02 Sankyo Electric Company Limited Refrigerant compressors for automotive air conditioning refrigerating systems
US5119918A (en) * 1991-10-11 1992-06-09 Dana Corporation Electromagnetic clutch with permanent magnet brake
US5295812A (en) * 1993-01-07 1994-03-22 Ford Motor Company Electromagnetic clutch and pulley bearing arrangement
IT1292384B1 (it) * 1997-06-19 1999-02-08 Baruffaldi Spa Dispositivo di trasmissione del moto a frizione elettromagnetica e rotismo epicicloidale per ventole di autoveicolo
IT1316681B1 (it) * 2000-02-29 2003-04-24 Baruffaldi Spa Dispositivo di trasmissione del moto per ventole di autoveicoli
IT1316682B1 (it) * 2000-02-29 2003-04-24 Baruffaldi Spa Dispositivo di trasmissione del moto per ventole di autoveicoli acomando coassiale dell'innesto
DE10013252A1 (de) * 2000-03-17 2001-10-25 Audi Ag Kühlflüssigkeitspumpe
JP2001342832A (ja) * 2000-05-30 2001-12-14 Honda Motor Co Ltd エンジンのウオータポンプ駆動構造
US6634476B2 (en) * 2000-10-20 2003-10-21 Usui Kokusai Sangyo Kaisha, Limited Magnet type fan clutch apparatus
US6439172B1 (en) * 2001-01-24 2002-08-27 Borg Warner, Inc. Water-cooled remote fan drive
DE102004009073A1 (de) * 2004-02-23 2005-09-15 Behr Gmbh & Co. Kg Regelbarer Antrieb für ein Kraftfahrzeug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158732A1 (de) 2001-11-30 2003-06-12 Linnig Trucktec Gmbh Antriebsorgan für eine Wasserpumpe des Kühlwasserkreislaufes eines Verbrennungsmotors sowie Reibschaltkupplung
EP1353051A2 (fr) 2002-04-08 2003-10-15 Baruffaldi S.p.A. Dispositif pour commander l'arbre d'actionnement d'une pompe de fluide de refroidissement pour des moteurs à combustion interne de véhicule

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010058233A1 (fr) * 2008-11-18 2010-05-27 Wop Industria E Comércio De Bombas Ltda. Pompe ayant un système d'embrayage électromagnétique
US8714939B2 (en) 2008-11-18 2014-05-06 Melling Do Brasil Componentes Automotivos Ltds. Pump having an electromagnetic clutch system
EP2299085A1 (fr) 2009-09-10 2011-03-23 Pierburg Pump Technology GmbH Pompe de refroidissement
CN102022175A (zh) * 2009-09-10 2011-04-20 皮尔伯格泵技术有限责任公司 冷却剂泵
CN102022175B (zh) * 2009-09-10 2015-11-25 皮尔伯格泵技术有限责任公司 冷却剂泵
WO2011082841A1 (fr) * 2010-01-11 2011-07-14 Pierburg Pump Technology Gmbh Pompe mécanique pour liquide de refroidissement de moteur à combustion
EP2351919A1 (fr) * 2010-01-11 2011-08-03 Pierburg Pump Technology GmbH Pompe de refroidissement de moteur à combustion
US8920141B2 (en) 2010-01-11 2014-12-30 Pierburg Pump Technology Gmbh Mechanical combustion engine coolant pump
EP2453118A1 (fr) * 2010-11-16 2012-05-16 NTN-SNR Roulements Mécanisme débrayable d'entraînement entre une courroie et un arbre tournant
FR2967465A1 (fr) * 2010-11-16 2012-05-18 Ntn Snr Roulements Mecanisme debrayable d'entrainement entre une courroie et un abre tournant
WO2012095167A1 (fr) * 2011-01-11 2012-07-19 Pierburg Pump Technology Gmbh Pompe à fluide de refroidissement pour automobile, commutable, mécanique
ITMI20120249A1 (it) * 2012-02-20 2013-08-21 Metelli S P A Dispositivo con amplificazione della forza per l interruzione del collegamento meccanico tra puleggia e girante in una pompa di raffreddamento

Also Published As

Publication number Publication date
BRPI0600137A (pt) 2006-09-19
CN1821556B (zh) 2010-04-21
EP1696111A3 (fr) 2009-09-23
ITMI20050056U1 (it) 2006-08-27
US20060165539A1 (en) 2006-07-27
CN1821556A (zh) 2006-08-23
RU2006102133A (ru) 2007-07-27
EP1696111B1 (fr) 2011-12-14

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