WO2014195001A1 - Pompe électrique à agent de refroidissement - Google Patents

Pompe électrique à agent de refroidissement Download PDF

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Publication number
WO2014195001A1
WO2014195001A1 PCT/EP2014/001475 EP2014001475W WO2014195001A1 WO 2014195001 A1 WO2014195001 A1 WO 2014195001A1 EP 2014001475 W EP2014001475 W EP 2014001475W WO 2014195001 A1 WO2014195001 A1 WO 2014195001A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
coolant
opening
inlet
housing
Prior art date
Application number
PCT/EP2014/001475
Other languages
German (de)
English (en)
Inventor
Uwe Klippert
Christoph Otto
Original Assignee
Brose Fahrzeugteile Gmbh & Co Kommanditgesellschaft, Würzburg
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 Brose Fahrzeugteile Gmbh & Co Kommanditgesellschaft, Würzburg filed Critical Brose Fahrzeugteile Gmbh & Co Kommanditgesellschaft, Würzburg
Publication of WO2014195001A1 publication Critical patent/WO2014195001A1/fr

Links

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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides 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
    • F04D29/42—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
    • F04D29/4293—Details of fluid inlet or outlet
    • 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
    • F01P2005/125—Driving auxiliary pumps electrically
    • 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
    • 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
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

Definitions

  • the invention relates to an electric coolant pump for a coolant conveyed in a coolant circuit of an internal combustion engine of a motor vehicle.
  • Under coolant pump is in this case understood in particular a radial or centrifugal pump.
  • a coolant or water circulation pump For the cooling circuit of an internal combustion engine usually a coolant or water circulation pump is used, which is controlled by a directional control valve, if in addition to a radiator leading cooler circuit, a bypass or short circuit is provided, bypassing the radiator directly via corresponding channels of the engine or leads to its cooling cylinder head or engine block.
  • the controlled valve function often takes place via a thermostat with a temperature-dependent expansion element, in the form of, for example, a so-called wax cartridge.
  • the drive of the coolant or water circulation pump is usually carried out electrically by means of an electric motor which drives a pump shaft with a pump wheel, which is arranged in a spiral channel of a pump housing.
  • the pump housing in addition to a trained as a nozzle inlet for the coolant with respect to the pump axis and the impeller radially extending drain pipe with corresponding radially oriented Drain opening for the coolant on.
  • a bypass pipe assigned to the bypass circuit is likewise oriented radially.
  • the inlet and outlet nozzles usually serve as an interface for connecting cooling hoses for producing a closed radiator or
  • the invention has for its object to provide an electric coolant pump, which is constructed as compact as possible and a simple, in particular tubeless, mounting in the coolant circuit of an internal combustion engine of a motor vehicle allows.
  • the electric coolant pump should be provided and set up to be connected as a functional unit with simple means directly to the engine or a cylinder head.
  • the electric coolant pump for conveying a coolant circulating in a coolant circuit of an internal combustion engine of a motor vehicle has a pump housing with a guide space, referred to below as a spiral channel, for receiving an impeller which is driven by an electric motor via a pump axis or shaft.
  • a spiral channel Coaxial with the pump shaft or pump wheel, an inlet opening for the coolant and an outlet opening for the coolant flow into the spiral channel.
  • Both the inlet opening and the outlet opening are arranged in a direction to the pump axis, in particular at least substantially, radial inlet and outlet plane.
  • the inlet opening represents the suction side and the discharge opening the pressure side of the coolant pump, wherein both the inflow to the coolant pump and the outflow from the coolant pump takes place coaxially with the axis of rotation of the impeller.
  • the drain opening is radially offset to the inlet opening. This makes it possible particularly advantageous that in addition to a particularly compact pump structure and ease of mounting the coolant pump in the coolant or coolant circuit for the inlet opening and the drain opening a common sealing plane is provided, which is also in the inlet and outlet level.
  • This sealing level common to the inlet opening and the drain opening in turn allows a particularly reliable and easy to handle connection the coolant pump in the manner of a mechanical interface to an adapter flange, which in turn has or forms a suitable flange connection to the internal combustion engine or to its cylinder head.
  • the sealing plane located in the inlet and outlet plane may be a groove-less surface seal.
  • the sealing plane is preferably designed as a sealing surface with a sealing groove (sealing groove) drawn in on the outside of the pump housing, which surrounds the inlet opening and the outlet opening.
  • the sealing surface area between the inlet opening and the drain opening is also provided with a retracted sealing groove, so that both the inlet opening and the drain opening is completely surrounded by a continuous sealing groove.
  • the pump housing also has on the inlet and outlet plane and thus the sealing plane opposite housing side a preferably collar-like flange connection to a motor housing of the pump axis with the pump impeller driving electric motor.
  • a preferably also in the inlet and outlet plane and thus in the sealing plane located mechanical connection interface for connection to the connectable to the engine or the cylinder block adapter flange is suitably formed by a number of preferably mandrel or sleeve-like connection elements whose end-side contact surfaces in the Zu - and drainage level and thus lie in the sealing plane.
  • the connecting elements with the contact surfaces of the connection interface suitably surround cylindrical connection openings for flange bolts or the like.
  • the adapter flange comprises an inlet nozzle opening into the inlet opening and a drain nozzle corresponding to the outlet opening. Due to the axial connection of both the inlet opening and the outlet opening to the corresponding inlet and outlet nozzles produced by the arrangement of the inlet opening and the outlet opening in the same plane, a particularly space-saving, reliable sealing and easy-mount interface provided that allows a hose-free connection of the coolant pump to the internal combustion engine or the cylinder block via the adapter flange.
  • the same pump housing can be designed for an adapter flange with and without additional bypass pipe, which optionally opens together with a radiator outlet from the common drain opening of the pump housing.
  • the bypass pipe and the radiator outlet pipe suitably open into a common valve chamber or into a corresponding housing area of the adapter flange, wherein this housing area can serve for accommodating a valve which is preferably temperature-dependent controlled in the form of a thermostat insert.
  • a valve which is preferably temperature-dependent controlled in the form of a thermostat insert.
  • the bypass pipe and the radiator inlet nozzle via which the coolant flowing from the radiator is supplied to the coolant pump via the inlet opening, suitably lead into a plate-shaped flange connection, via which the adapter flange can be connected to a corresponding flange connection of the internal combustion engine or cylinder block.
  • FIG. 2 shows schematically in a longitudinal section an electric motor driven coolant pump with an interface to an adapter flange having pump housing
  • FIG. 4 is a perspective view of the electromotive-operated coolant pump with cover side of a mechanical interface (connection and sealing surface interface) in a first embodiment
  • Fig. 5 in a view according to FIG. 4, the electromotive-operated coolant pump with cover-side interface in a second embodiment.
  • Fig. 1 shows in a schematically simplified representation of an exemplary assignment of circuits of a thermal management of a motor vehicle engine with a coolant or water circulation pump 1.
  • the electrical, i. electric motor driven coolant pump 1 is integrated in a coolant circuit 2.
  • This has a via a radiator (heat exchanger) 3 extending radiator circuit 4 and a designated as a bypass circuit 5 short circuit.
  • the bypass circuit 5 extends directly through the coolant pump 1 and a cylinder block 6 of an internal combustion engine (internal combustion engine) of a motor vehicle, not shown.
  • the electric coolant pump 1 with associated directional control valve conveys the coolant K, in particular cooling water, drawn in by the internal combustion engine 7 or its cylinder head 6 via the radiator 3 back to the cylinder head 6 and circulates this coolant K.
  • the coolant pump 1 also conveys the circulating in the bypass circuit 5 coolant K, wherein by means of the directional control valve of the coolant pump 1 comparatively cool coolant K of the cooler circuit 4th can be mixed with comparatively hot coolant K of the bypass circuit 5.
  • the directional control valve of the coolant pump 1 can be designed in a manner not shown as a thermo valve (thermostat), so that no separate drive is required for the directional control valve.
  • Fig. 2 shows in a schematically simplified sectional view of the coolant pump 1 with a pump housing 8 and rotatably arranged impeller 9.
  • the impeller 9 is seated on a pump shaft or shaft 10, which is the motor shaft of an electric motor 11.
  • This has a shaft-fixed rotor 12 and a housing 14 fixed in a motor housing 13 stator.
  • the motor housing 13 and the pump housing 8 are connected to each other via housing flanges 15 and 16, respectively.
  • the pump housing 8 Within the pump housing 8 is a subsequently referred to as a spiral channel delivery chamber 17, in which the impeller 9 is arranged rotatably.
  • the pump housing 8 On the outside of the housing, the pump housing 8 has an inlet opening 18 and a drain opening 19 for the coolant K.
  • the inlet opening 18 is arranged coaxially with the pump axis 10 or with the impeller 9 and thus with respect to the central motor axis.
  • the drain opening 19 is radial, i. arranged in the radial direction R to the inlet opening 18 and is located with this in the same inlet and outlet plane 20.
  • This plane 20 extends radially to the pump axis 10 and the illustrated motor or pump axis 21, d. H. relative to the illustrated axial direction A, which corresponds to the orientation of the central motor axis, in the radial direction R.
  • the adapter flange 22, on the plane 20 over the Coolant pump 1 is connected via the pump housing or pump cover 8 is provided and set up, directly, ie tubeless, to be coupled to the cylinder head 6 by means of a flange connection.
  • Fig. 3 shows a perspective view of the lid-like pump housing 8 with the housing outside the coaxial inlet opening 18 and the radially offset outlet opening 19, which lies together with the inlet opening 18 in the same inlet and outlet plane 20 and is arranged therein.
  • this common inlet and outlet level 20 which forms one of the inlet opening 18 and the drain opening 19 common sealing plane, there is a corresponding common sealing surface 23 into which a sealing or sealing groove 24 is introduced and this outside the pump housing 8 is retracted.
  • the sealing groove 24 jointly encloses the inlet opening 18 and the outlet opening 19 and also extends between these two openings 18, 19.
  • both the inlet opening 18 and the outlet opening 19 are surrounded by a sealing groove 24 which is completely closed on the circumference.
  • the sealing groove 24 serves to receive a sealing element (not shown) in the form of a sealing ring (not shown) with a central web.
  • the pump housing or the pump cover 8 has on the inlet and outlet and thus the sealing plane 20 opposite the housing side
  • connection elements 26 are formed, which extend in the axial direction A.
  • connection elements 26 each form a contact surface 27, which also lie in the plane 20. Stiffening ribs 28 with corresponding contact surfaces 29 connect the connecting elements 27 with the plane 20.
  • Fig. 3 it can be seen that the inside of the housing provided spiral channel 17 is formed for receiving the impeller 9 by a counterclockwise ramp-like increase in the housing wall of the pump housing 8.
  • the inlet opening 18 In the center of this spiral channel 17 is the inlet opening 18, while radially spaced for this purpose the drain opening 19 in the same radial plane 20 in the axial direction A highest surface area of the housing outside of the Pump housing 8 is located.
  • the inlet opening 18 opens in the axial direction A in the spiral channel 17 via an axial channel section 30 a.
  • a star-shaped web arrangement 31 the webs of which are integrally formed to form a central, common hub 32 to the channel wall of the channel portion 30.
  • the hub 32 may be inside of the housing in a manner not shown with a bearing receptacle for the impeller 9 and the pump shaft 10 may be executed.
  • the inlet opening 18 of the pump housing 8 forms the suction side of the coolant pump 1, while the drain opening 19, in which the spiral channel 17 opens, forms the pressure side of the coolant pump 1.
  • the coolant K which enters the pump housing 8 in the axial direction A via the inlet opening 18, initially exits the impeller 9 in the radial direction R and thus perpendicular to the pump axis 10 and enters the spiral channel 17.
  • the coolant K also flows out of the pump housing 8 in the axial direction A via the drain opening 19.
  • FIGS. 4 and 5 show the electrical coolant pump 1 in its connection via the pump housing 8 and the interface assigned to it, which is formed by the plane 20, to the adapter flange 22.
  • This has a flange or connection surface 33 for mounting on the cylinder head 6.
  • In the plate-like embodiment of the adapter flange 22 as shown in FIG. 4 open into the pad 33 as an inlet and serving as a drain connection piece 34 (inlet nozzle) or 35 (outlet nozzle).
  • channels 36 (inlet channel) and 36 (outlet channel) which serve as inlet and outlet, open into the connection surface 33.
  • lateral connecting pieces 38 for example bypass stubs, may be provided.
  • the outlet connection 35 or the outlet channel 37 forms the outlet for the coolant K from the coolant pump 1 and its inlet to the cooler 3, while the inlet from the cooler 3 to the coolant pump 1 via the inlet nozzle 34 and the inlet channel 36 of the adapter flange 22.
  • both the inlet opening 18 and the drain opening 19 of the pump housing 8 and the sealing plane lie with its sealing surface 23 in extending in the radial direction R level 20, on the one hand in the course of installation of the coolant pump 1 easy to handle interface to the adapter flange 22 and over this provided to the cylinder head 6.

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)

Abstract

L'invention concerne une pompe électrique (1) à agent de refroidissement pour un agent de refroidissement (K) transporté dans un circuit de refroidissement (2) d'un moteur à combustion interne (7) d'un véhicule automobile, présentant un carter (8) de pompe doté d'un canal en spirale (17) destiné à recevoir une roue de pompe (9) entraînée par un moteur électrique via un axe (10) de pompe ainsi qu'une ouverture d'alimentation (18) débouchant dans le canal en spirale (17) de manière coaxiale à l'axe (10) de la pompe et une ouverture d'évacuation (19) sortant du canal en spirale (17) pour l'agent de refroidissement (K). L'ouverture d'alimentation (18) et l'ouverture d'évacuation (19) sont disposées l'une à côté de l'autre dans un plan (20) d'alimentation et d'évacuation radial par rapport à l'axe de la pompe (10).
PCT/EP2014/001475 2013-06-06 2014-06-02 Pompe électrique à agent de refroidissement WO2014195001A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013009451.8A DE102013009451A1 (de) 2013-06-06 2013-06-06 Elektrische Kühlmittelpumpe
DE102013009451.8 2013-06-06

Publications (1)

Publication Number Publication Date
WO2014195001A1 true WO2014195001A1 (fr) 2014-12-11

Family

ID=50981453

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/001475 WO2014195001A1 (fr) 2013-06-06 2014-06-02 Pompe électrique à agent de refroidissement

Country Status (2)

Country Link
DE (1) DE102013009451A1 (fr)
WO (1) WO2014195001A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017000990A1 (fr) * 2015-06-30 2017-01-05 Pierburg Pump Technology Gmbh Corps de pompe doté d'une structure de fixation
EP3299633A1 (fr) * 2016-09-26 2018-03-28 TACO ITALIA S.r.l. Système de pompe de circulateur
WO2021259606A1 (fr) * 2020-06-22 2021-12-30 Man Truck & Bus Se Dispositif de distribution de liquide de refroidissement
FR3119568A1 (fr) * 2021-02-11 2022-08-12 Psa Automobiles Sa Ensemble a support de pompe et ecran thermique pour un moteur thermique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015214678A1 (de) * 2015-07-31 2017-02-02 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotorische Pumpe
DE102017127851A1 (de) * 2017-11-24 2019-05-29 Nidec Gpm Gmbh Umwälzpumpe mit Nassläufermotor
DE102020130554B3 (de) 2020-11-19 2022-04-28 Nidec Gpm Gmbh Adaptergehäuse

Citations (6)

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Publication number Priority date Publication date Assignee Title
WO1985002227A1 (fr) * 1983-11-17 1985-05-23 Zahnradfabrik Friedrichshafen Ag Entrainement de ventilateur regule par la temperature pour moteurs a rendement eleve
DE19809123A1 (de) 1998-03-04 1999-09-16 Daimler Chrysler Ag Wasserpumpe für den Kühlkreislauf einer Brennkraftmaschine
EP1201889A1 (fr) * 2000-10-27 2002-05-02 Mark IV Systemes Moteurs (Société Anonyme) Ensemble de refroidissement pour véhicules à moteur
WO2003048539A1 (fr) * 2001-12-03 2003-06-12 Saab Autombile Ab Ensemble pompe pour un systeme de refroidissement de moteur a combustion interne
DE102004062293A1 (de) * 2003-12-25 2005-09-08 Mitsubishi Jidosha Kogyo K.K. Motorkühlsystem
DE102005057712A1 (de) 2005-01-25 2006-08-03 Pierburg Gmbh Kühlmittel-Pumpenanordnung

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DE10207653C1 (de) * 2002-02-22 2003-09-25 Gpm Geraete Und Pumpenbau Gmbh Elektrische Kühlmittelpumpe mit integriertem Ventil, sowie Verfahren zu dessen Steuerung
DE202004011114U1 (de) * 2004-07-14 2005-11-24 Hengst Gmbh & Co.Kg Ölmodul mit Wasserpumpe und Wärmetauscher
DE102005054026A1 (de) * 2005-11-10 2007-05-16 Pierburg Gmbh Fluidpumpe
MY165409A (en) * 2009-12-31 2018-03-21 Petroliam Nasional Berhad Engine
US8601997B2 (en) * 2010-05-17 2013-12-10 GM Global Technology Operations LLC Water pump with integrated oil cooler
JP5476357B2 (ja) * 2011-11-18 2014-04-23 本田技研工業株式会社 内燃機関の補機支持構造
KR101250969B1 (ko) * 2012-02-20 2013-04-05 캄텍주식회사 차량용 워터펌프

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002227A1 (fr) * 1983-11-17 1985-05-23 Zahnradfabrik Friedrichshafen Ag Entrainement de ventilateur regule par la temperature pour moteurs a rendement eleve
DE19809123A1 (de) 1998-03-04 1999-09-16 Daimler Chrysler Ag Wasserpumpe für den Kühlkreislauf einer Brennkraftmaschine
EP1201889A1 (fr) * 2000-10-27 2002-05-02 Mark IV Systemes Moteurs (Société Anonyme) Ensemble de refroidissement pour véhicules à moteur
WO2003048539A1 (fr) * 2001-12-03 2003-06-12 Saab Autombile Ab Ensemble pompe pour un systeme de refroidissement de moteur a combustion interne
DE102004062293A1 (de) * 2003-12-25 2005-09-08 Mitsubishi Jidosha Kogyo K.K. Motorkühlsystem
DE102005057712A1 (de) 2005-01-25 2006-08-03 Pierburg Gmbh Kühlmittel-Pumpenanordnung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017000990A1 (fr) * 2015-06-30 2017-01-05 Pierburg Pump Technology Gmbh Corps de pompe doté d'une structure de fixation
CN107667227A (zh) * 2015-06-30 2018-02-06 皮尔伯格泵技术有限责任公司 具有固定结构的泵壳
CN107667227B (zh) * 2015-06-30 2022-07-26 皮尔伯格泵技术有限责任公司 具有固定结构的泵壳
US11401950B2 (en) 2015-06-30 2022-08-02 Pierburg Pump Technology Gmbh Pump housing having a fastening structure
EP3299633A1 (fr) * 2016-09-26 2018-03-28 TACO ITALIA S.r.l. Système de pompe de circulateur
WO2021259606A1 (fr) * 2020-06-22 2021-12-30 Man Truck & Bus Se Dispositif de distribution de liquide de refroidissement
FR3119568A1 (fr) * 2021-02-11 2022-08-12 Psa Automobiles Sa Ensemble a support de pompe et ecran thermique pour un moteur thermique
WO2022171939A1 (fr) * 2021-02-11 2022-08-18 Psa Automobiles Sa Ensemble a support de pompe et ecran thermique pour un moteur thermique

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