US20110123365A1 - Coolant pump - Google Patents

Coolant pump Download PDF

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Publication number
US20110123365A1
US20110123365A1 US12/937,746 US93774609A US2011123365A1 US 20110123365 A1 US20110123365 A1 US 20110123365A1 US 93774609 A US93774609 A US 93774609A US 2011123365 A1 US2011123365 A1 US 2011123365A1
Authority
US
United States
Prior art keywords
pump
electric
drive
coolant pump
coolant
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.)
Abandoned
Application number
US12/937,746
Other languages
English (en)
Inventor
Thomas Buchholz
Juergen Roth
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.)
BorgWarner Inc
Original Assignee
BorgWarner Inc
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 BorgWarner Inc filed Critical BorgWarner Inc
Publication of US20110123365A1 publication Critical patent/US20110123365A1/en
Assigned to BORGWARNER INC. reassignment BORGWARNER INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BUCHHOLZ, THOMAS, ROTH, JUERGEN
Abandoned 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
    • 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
    • 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
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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

Definitions

  • the invention relates to a coolant pump as per the preamble of claim 1 .
  • a coolant pump of said type is known from DE 102 14 637 A1.
  • a planetary drive is provided which can be driven by the electric motor and/or by the mechanical drive.
  • Said design is however complex with regard to its mechanical construction and is susceptible to faults.
  • the pump wheel shaft being divided into a driving section and a driven section which is separate from said driving section, and as a result of the provision of a clutch which is arranged between the driving section and the driven section and which can be opened in order to separate said two sections and which can be closed in order to connect the two sections, it is possible in an extremely simple manner for the pump wheel to be driven both by the electric-motor drive and also by the mechanical drive, in each case independently.
  • the present invention is therefore based on the concept of providing two pump types, such that the mechanical pump takes over the function of the electric pump in order to boost the pump power for operating conditions for which the electric pump would be too weak. In this way, it is also possible to obtain a fail-safe function for the electric pump, since it is possible according to the invention to couple in the mechanical pump if an interruption occurs in the electrical energy supply for the electric pump.
  • the electric pump and the mechanical pump are connected in series, with a regulated clutch performing the function of coupling in the mechanical pump, for example on the basis of pressure measurements or monitoring of the electrical energy supply.
  • coolant pump it is also possible according to the invention, as a result of a downsizing of the coolant pump according to the invention, for said coolant pump to be adapted both for the utility vehicle field and also for the passenger vehicle field, wherein in the case in particular of the passenger vehicle field, the warm-up behaviour of the engine can be improved by precise adjustment of the basic coolant flow.
  • the concept according to the invention may also provide a coolant flow when the engine is stopped.
  • the coolant flow is required for the functioning of the alternator/generator and for the battery.
  • the coolant flow which is required may accordingly be provided by the combination according to the invention of the electric pump and of the mechanically driven pump, without an auxiliary pump being required, as in the prior art.
  • Two operating principles for actuating a driving side wherein the two driving sides can be decoupled entirely from the driven side, or the two driving sides can be decoupled only individually from the driven side.
  • the electric-motor drive which is preferably designed as a brushless direct-current motor, is arranged on the driven side of the pump wheel shaft.
  • the mechanical drive and also the electric-motor drive may, connected by the clutch, be arranged in alignment on the same axis of the coolant pump, and drive only a single pump wheel.
  • the concept of the coolant pump according to the invention is compatible with different coolant pump designs.
  • the coolant pump according to the invention can provide hydraulic energy when the internal combustion engine is at a standstill, if the coolant pump is for an internal combustion engine of a passenger vehicle.
  • Post-operation cooling can take place via the main pump wheel by means of drive by means of the electric motor.
  • the bearings on the driving side and on the driven side can be arranged in alignment on the same axle, wherein all of the inner rings rotate.
  • the electric motor provides a basic volume flow, wherein the maximum delivery power for maximum cooling power takes place by coupling the mechanical drive (without electric-motor pump).
  • FIG. 1 shows a sectioned illustration through an embodiment of a coolant pump according to the invention
  • FIG. 2 shows a schematic construction of a cooling circuit of an internal combustion engine having the coolant pump according to the invention
  • FIG. 3 shows two statistical distribution plots of the pump wheel rotational speed in relation to the engine speed for two transient driving cycles.
  • FIG. 1 shows a sectioned illustration through an embodiment of a coolant pump 15 according to the invention.
  • the coolant pump 15 has a pump wheel 13 which is arranged on a pump wheel shaft.
  • the pump wheel shaft is divided into a driving section 3 and a driven section 11 .
  • the driving section 3 is formed as a flange, to which a mechanical drive 1 , in the form of a belt pulley in this example, is rotationally fixedly connected.
  • the arrangement composed of a flange 3 and a belt pulley 1 is mounted in a housing 7 by means of a bearing (not shown).
  • the mechanical drive 1 may be connected to an internal combustion engine of a motor vehicle, wherein in the illustrated embodiment, it is possible to use a belt drive, of which, however, only the belt pulley 1 is shown in order to simplify the illustration.
  • the driven section 11 of the pump wheel shaft is mounted in the housing 7 by means of two bearings 5 and 10 , and at its free end 16 , supports the pump wheel 13 .
  • the free end 16 of the driven section 11 is sealed off with respect to the housing 7 by means of a seal 12 which is arranged between the pump wheel 13 and the bearing 10 .
  • the driven section 11 and the driving section 3 of the pump wheel shaft can be connected by means of a clutch 4 which is arranged between the two sections 3 and 11 .
  • the clutch 4 may for example be embodied as an electromagnetic clutch with a coil 5 .
  • An electric-motor drive is also assigned to the driven section 11 of the pump wheel shaft, which electric-motor drive is arranged, with its rotor 9 and a stator 8 which surrounds said rotor 8 , in alignment with the mechanical drive 3 on the driven section 11 .
  • the rotor 9 and the stator 8 are held in a housing 7 .
  • a Hall effect device 14 is arranged between the rotor 9 and the bearing 6 .
  • the pump wheel 13 With said design of the coolant pump 15 according to the invention, it is possible for the pump wheel 13 to be completely separated from the mechanical drive 1 by opening the clutch 4 .
  • the electric-motor drive which is preferably embodied as a brushless direct-current motor, is arranged on the side of the driven section 11 of the pump wheel shaft, in order to be able to provide a regulable coolant flow in a predeterminable power range, which is completely independent of the rotational speed of the motor to which the coolant pump 15 is connected, when the driven section 11 is separated from the driving section 3 by the opened clutch.
  • the rotor 9 of the electric-motor drive is arranged directly on the driven section 11 of the pump wheel shaft, as can be seen from FIG. 1 .
  • the stator 8 is integrated, around the same axis of the housing 7 , in the housing 7 around the rotor 9 , as can likewise be seen from FIG. 1 .
  • the electric-motor drive 8 , 9 can be regulated by means of a commutated signal from an electronic regulating device (not illustrated in any more detail in FIG. 1 ). If the driven side 11 is separated from the driving side 1 , 3 , the pump wheel 13 can be driven solely by the electric-motor drive 8 , 9 . Here, it is provided that sufficient hydraulic output power is provided in order to provide the required coolant flow for all normal operating conditions of the engine which is connected to the coolant pump 15 . To obtain a maximum available coolant flow, the driven section 11 can be connected to the driving section 1 , 3 of the pump wheel shaft by means of the clutch 4 . In said case, the pump wheel 18 is driven solely by the mechanical drive 1 when the electric motor 8 , 9 is deactivated. If appropriate, the electric motor 8 , 9 may be activated.
  • FIG. 2 illustrates a schematic construction of a possible cooling circuit of an internal combustion engine 17 which uses the coolant pump 15 according to the invention.
  • the pump which is driven by an electric motor is denoted by the reference symbol 20 and the mechanically driven pump is denoted by the reference symbol 21 .
  • the two pumps, which are arranged in series, may be connected via the clutch 4 to a belt drive 2 and via the belt pulley 1 to the engine 17 for the provision of the required mechanical drive energy.
  • the coolant circuit also has a thermostat 18 and a cooler 19 , the interaction of which is shown by the plotted arrows, in which regard reference is made explicitly to the graphic illustration of FIG. 2 .
  • FIG. 3 shows data of two transient driving cycles, in which regard reference is made to FIG. 3 with the curves and entries plotted therein.

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)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
US12/937,746 2008-04-17 2009-04-01 Coolant pump Abandoned US20110123365A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008019369.0 2008-04-17
DE102008019369 2008-04-17
PCT/US2009/039112 WO2009129050A2 (en) 2008-04-17 2009-04-01 Coolant pump

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/039112 A-371-Of-International WO2009129050A2 (en) 2008-04-17 2009-04-01 Coolant pump

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/517,914 Continuation-In-Part US20150034027A1 (en) 2008-04-17 2014-10-19 Hybrid electromechanical coolant pump

Publications (1)

Publication Number Publication Date
US20110123365A1 true US20110123365A1 (en) 2011-05-26

Family

ID=41199639

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/937,746 Abandoned US20110123365A1 (en) 2008-04-17 2009-04-01 Coolant pump

Country Status (5)

Country Link
US (1) US20110123365A1 (zh)
JP (1) JP5586584B2 (zh)
CN (1) CN102007302B (zh)
DE (1) DE112009000861T5 (zh)
WO (1) WO2009129050A2 (zh)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013154848A1 (en) * 2012-04-10 2013-10-17 Borgwarner Inc. Control methods and systems for dual mode cooling pump
US20140023526A1 (en) * 2011-04-13 2014-01-23 Borgwarner Inc. Hybrid coolant pump
US20150184575A1 (en) * 2011-04-13 2015-07-02 Borgwarner Inc. Control Methods and Systems for Dual Mode Cooling Pump
WO2015103696A1 (en) * 2014-01-10 2015-07-16 Litens Automotive Partnership Control of clutched device using magnetic force from motor
DE102014220377A1 (de) 2014-10-08 2016-04-14 Mahle International Gmbh Hybrid-Kühlmittelpumpe
US20170037853A1 (en) * 2014-04-30 2017-02-09 Fpt Industrial S.P.A. Pump assembly for recirculating a cooling fluid of a heat engine
US9695743B2 (en) 2012-11-08 2017-07-04 Borgwarner Inc. Device for driving an ancillary unit of an internal combustion engine
US9850909B2 (en) 2009-10-17 2017-12-26 Borgwarner Inc. Hybrid fan drive with electric motor
US11041427B2 (en) * 2018-12-04 2021-06-22 Kawasaki Jukogyo Kabushiki Kaisha Parallel hybrid vehicle
US11401856B2 (en) * 2020-11-19 2022-08-02 Nidec Gpm Gmbh Pump device for a cooling circuit of an internal combustion engine of a commercial or motor vehicle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2971296A1 (fr) * 2011-02-08 2012-08-10 Peugeot Citroen Automobiles Sa Systeme de pompe a eau, notamment pour vehicule automobile hybride
DE102011117374A1 (de) 2011-10-28 2013-05-02 Daimler Ag Kühlmittelpumpe eines Kraftfahrzeugs
WO2013185127A2 (en) * 2012-06-08 2013-12-12 Magna Powertrain Of America, Inc. Out rotor drive electrical vane pump
CN105525977A (zh) * 2014-10-19 2016-04-27 博格华纳公司 具有基流和峰流的混合型电动机械冷却液泵
DE102015220324A1 (de) * 2014-10-19 2016-04-21 Borgwarner Inc., Patent Department Elektromechanische Hybrid-Kühlmittelpumpe
DE102015205544B4 (de) * 2015-03-26 2023-03-09 Ford Global Technologies, Llc Motorbaugruppe für ein Kraftfahrzeug
DE102015206279A1 (de) * 2015-04-08 2016-10-13 Volkswagen Ag Brennkraftmaschine und Kraftfahrzeug
DE102015005575B3 (de) * 2015-05-04 2016-06-09 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Schaltbare Kühlmittelpumpe für einen Kühlmittelkreislauf einer Brennkraftmaschine
ITUB20153844A1 (it) * 2015-09-24 2017-03-24 Ind Saleri Italo Spa Gruppo pompa ad azionamento elettrico ed azionamento meccanico
ITUA20161447A1 (it) * 2016-03-08 2017-09-08 Ind Saleri Italo Spa Gruppo pompa ad azionamento elettrico ed azionamento meccanico con gruppo giunto
ITUA20162382A1 (it) * 2016-04-07 2017-10-07 Ind Saleri Italo Spa Gruppo pompa ad azionamento elettrico ed azionamento meccanico su girante
CN111140332B (zh) * 2020-01-17 2023-02-21 浙江启达汽车部件有限公司 一种发动机冷却装置

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US7007856B2 (en) * 2003-03-04 2006-03-07 General Motors Corporation Extended engine off passenger climate control system and method
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US20110256470A1 (en) * 2010-04-15 2011-10-20 Kia Motors Corporation Coolant demineralizer for fuel cell vehicle

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US5474428A (en) * 1992-12-10 1995-12-12 Honda Giken Kogyo Kabushiki Kaisha Oil pump driving device for transmission
US6350108B1 (en) * 1997-11-15 2002-02-26 Zf Friedrichshafen Ag Oil pump
US20020088437A1 (en) * 2000-10-03 2002-07-11 Mario Ricco Device for controlling the flow of a high-pressure pump in a common-rail fuel injection system of an internal combustion engine
US20020078700A1 (en) * 2000-12-26 2002-06-27 Kelm Brian Robert Electric air conditioner sustain system
US6640562B2 (en) * 2001-01-09 2003-11-04 Kabushiki Kaisha Toyota Jidoshokki Air-conditioning system for vehicle and its control method
US20020189398A1 (en) * 2001-06-19 2002-12-19 Chung-Nan Mu Driving device for automatically exerting a variable torque on an output shaft that rotates at a constant speed
US20040232786A1 (en) * 2001-08-06 2004-11-25 Tamotsu Fukazawa Motor
US6821094B2 (en) * 2001-11-29 2004-11-23 Kabushiki Kaisha Toyota Jidoshokki Hybrid power transmission system having first and second clutch mechanisms
US20030200759A1 (en) * 2002-04-25 2003-10-30 Shigeki Iwanami Composite auxiliary machine for a vehicle and a control unit thereof
US20050178635A1 (en) * 2002-07-12 2005-08-18 Behr Gmbh & Co.Kg Device for diving a coolant pump
US20040103862A1 (en) * 2002-09-25 2004-06-03 Aidnik David Lee Engine temperature control apparatus and method
US20040079098A1 (en) * 2002-10-18 2004-04-29 Keiichi Uno Hybrid compressor system for refrigeration cycle system
US20050207915A1 (en) * 2002-10-24 2005-09-22 Peter Fledersbacher Motor vehicle drive arrangement
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US20050019183A1 (en) * 2003-07-25 2005-01-27 Williams David John Pump
US7242128B2 (en) * 2004-06-03 2007-07-10 Hitachi, Ltd. DC brushless motor for electrical power steering and the production method thereof
US20060165523A1 (en) * 2005-01-21 2006-07-27 Rozario Frederick J Centrifugal water pump
US20070157893A1 (en) * 2006-01-12 2007-07-12 Puning Wei Coolant valve system for internal combustion engine and method
US20090022608A1 (en) * 2006-02-23 2009-01-22 Zf Friedrichshafen Ag Drive device for the oil pump of a motor vehicle transmission
US20110256470A1 (en) * 2010-04-15 2011-10-20 Kia Motors Corporation Coolant demineralizer for fuel cell vehicle

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9850909B2 (en) 2009-10-17 2017-12-26 Borgwarner Inc. Hybrid fan drive with electric motor
US20140023526A1 (en) * 2011-04-13 2014-01-23 Borgwarner Inc. Hybrid coolant pump
US20140023527A1 (en) * 2011-04-13 2014-01-23 Borgwarner Inc. Pulley assemblies for vehicle accessories
US20140116834A1 (en) * 2011-04-13 2014-05-01 Borgwarner Inc. Control systems for friction clutch assemblies
US20150184575A1 (en) * 2011-04-13 2015-07-02 Borgwarner Inc. Control Methods and Systems for Dual Mode Cooling Pump
US20160040676A1 (en) * 2011-04-13 2016-02-11 Borgwarner Inc. Hybrid coolant pump
US9523393B2 (en) * 2011-04-13 2016-12-20 Borgwarner Inc. Multi-mode cooling pump
CN103649486A (zh) * 2012-04-10 2014-03-19 博格华纳公司 双模式冷却泵的控制方法和系统
WO2013154848A1 (en) * 2012-04-10 2013-10-17 Borgwarner Inc. Control methods and systems for dual mode cooling pump
US20130306005A1 (en) * 2012-04-11 2013-11-21 John Shutty Control methods and systems for dual mode cooling pump
US8978600B2 (en) * 2012-04-11 2015-03-17 Borgwarner Inc. Control methods for dual mode cooling pump
US9695743B2 (en) 2012-11-08 2017-07-04 Borgwarner Inc. Device for driving an ancillary unit of an internal combustion engine
WO2015103696A1 (en) * 2014-01-10 2015-07-16 Litens Automotive Partnership Control of clutched device using magnetic force from motor
US10670021B2 (en) 2014-01-10 2020-06-02 Litens Automotive Partnership Control of clutched device using magnetic force from motor
US20170037853A1 (en) * 2014-04-30 2017-02-09 Fpt Industrial S.P.A. Pump assembly for recirculating a cooling fluid of a heat engine
US11085449B2 (en) * 2014-04-30 2021-08-10 Fpt Industrial S.P.A. Pump assembly for recirculating a cooling fluid of a heat engine
DE102014220377A1 (de) 2014-10-08 2016-04-14 Mahle International Gmbh Hybrid-Kühlmittelpumpe
US11041427B2 (en) * 2018-12-04 2021-06-22 Kawasaki Jukogyo Kabushiki Kaisha Parallel hybrid vehicle
US11401856B2 (en) * 2020-11-19 2022-08-02 Nidec Gpm Gmbh Pump device for a cooling circuit of an internal combustion engine of a commercial or motor vehicle

Also Published As

Publication number Publication date
JP2011518283A (ja) 2011-06-23
WO2009129050A3 (en) 2009-12-17
WO2009129050A2 (en) 2009-10-22
DE112009000861T5 (de) 2011-04-07
JP5586584B2 (ja) 2014-09-10
CN102007302A (zh) 2011-04-06
CN102007302B (zh) 2013-05-22

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