EP3472470A1 - Elektrische fluidpumpe für ein kraftfahrzeug - Google Patents
Elektrische fluidpumpe für ein kraftfahrzeugInfo
- Publication number
- EP3472470A1 EP3472470A1 EP16729946.0A EP16729946A EP3472470A1 EP 3472470 A1 EP3472470 A1 EP 3472470A1 EP 16729946 A EP16729946 A EP 16729946A EP 3472470 A1 EP3472470 A1 EP 3472470A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- rotor
- fluid pump
- electric fluid
- pump
- 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
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 23
- 239000004020 conductor Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor 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
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/0626—Details of the can
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
-
- 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
- F01P2005/105—Using two or more 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
- F01P2005/125—Driving auxiliary pumps electrically
-
- 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
- F04D13/0606—Canned motor pumps
- F04D13/0633—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
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0686—Mechanical details of the pump control unit
Definitions
- the invention relates to an electric fluid pump for a motor vehicle with a housing assembly defining at least a pump chamber and an engine compartment, wherein the pump chamber has a pump rotor space for a pump unit with a pump rotor and wherein in the engine compartment, a drive motor with a motor stator with a motor coil assembly and a motor rotor is provided, wherein the pump chamber and the engine compartment having a common end wall, wherein the motor rotor is rotatably connected to a rotor shaft which is guided by the common end wall and on which the pump rotor is arranged rotationally fixed and wherein a motor control for driving the drive motor is provided.
- a fluid pump for a motor vehicle serves to pump a fluid in a fluid circuit.
- a liquid heat carrier hereinafter always called coolant
- the coolant circuit need not necessarily be a main flow of the circuit, but may also form a side stream.
- engine units are to be cooled in the operating state by such a coolant circuit.
- electrically driven coolant pumps have been developed.
- An electronically commutated drive motor drives a pump unit. The problem with such electronically commutated drive motors is basically the cooling of the drive motor and the motor control, which has a plurality of line semiconductors for controlling the motor coil arrangement during operation can heat up strongly and must be cooled accordingly to your
- the motor coil arrangement is in this case a heat source which should be thermally shielded or cooled as well as possible in relation to the motor control. From the prior art it is therefore known to use the coolant to be pumped to flow through the engine compartment, in order to cool a motor control room in which the engine control is provided in this way.
- An example of an electric coolant pump constructed in this way can be found in EP 2 796 722 A1.
- a major disadvantage of this known pump concept is the relatively large space required by this pump and the complicated liquid guide for cooling. Against the background of less and less space available, the placement and mounting of such a pump at desired assembly sites is no longer or only with difficulty. It should be clear that these disadvantages can also occur in electrically operated oil pumps and for example in compressors and blowers.
- Object of the present invention is therefore to avoid the above-mentioned disadvantages in a simple and cost-effective manner.
- the common end wall is designed as a mounting wall part, on which at least the motor control is arranged thermally conductive, wherein the drive motor is a single-phase asymmetrically permanently excited drive motor, wherein arranged on the motor stator motor coil arrangement on a, based on the Rotor shaft, the opposite side is provided by the engine control.
- the drive motor is a single-phase asymmetrically permanently excited drive motor, wherein arranged on the motor stator motor coil arrangement on a, based on the Rotor shaft, the opposite side is provided by the engine control.
- the motor control is arranged on a large-area plate element, in particular a circuit board, made of a thermally conductive material on the mounting wall part. In this way, an optimal heat transfer from the engine control can be ensured in the cooled by the cooling fluid mounting wall part.
- a cover element is attached to the mounting wall part as part of the motor housing and thus formed a closed motor housing.
- the engine compartment open in the vehicle.
- the motor stator and / or the motor coil arrangement can be arranged on the cover element (20), which can offer advantages in the assembly.
- Mounting wall part be stored.
- the mounting wall part has at least one axis-parallel to the rotor shaft extending paragraph element on which the motor stator is fastened via fastening means.
- a bearing member is provided for a containment shell, on which the containment shell is sealingly supported, so that a
- a pot end element can be sealingly provided.
- the pot end element can also be an integral part of the containment shell.
- further bearing means for the rotor shaft can then be provided.
- an in the range of the motor rotor in particular in the region of the outside of the gap pot or in this integrated, non-contact sensor, in particular a Hall sensor, is provided.
- FIG. 1 shows a sectional side view of a fluid pump according to the invention
- Figure 2 is a sectional end view of the electric fluid pump of Figure 1, and
- FIG. 3 shows a perspective view of an engine compartment of a mounting wall part of the fluid pump according to the invention
- FIG 1 shows a sectional side view of an inventive electric fluid pump 2, which is designed as a coolant pump, for a motor vehicle not further shown.
- the electricdemitteipumpe 2 has a housing assembly 4, which defines a pump chamber 6 for a pump unit 7 and an engine compartment 8.
- the pump chamber 6 here knows in a known manner a pump rotor chamber 10, in which a pump rotor 12 is provided and is formed in the present embodiment by a pump housing 13.
- the pump housing 13 has a known manner an inlet 14 and an outlet 16 shown in Figure 2.
- the pump chamber 6 and the engine compartment 8 are limited by a common end wall 18.
- a cover member 20 is also provided, which is mounted on the common end wall 18 and thus a motor housing 22 forms with a closed motor raum 8, in which a drive motor 24 and a motor controller 26 are provided.
- a cover member 20 is also provided, which is mounted on the common end wall 18 and thus a motor housing 22 forms with a closed motor raum 8, in which a drive motor 24 and a motor controller 26 are provided.
- a drive motor 24 and a motor controller 26 are provided.
- the drive motor 24 is embodied as an asymmetrically permanently excited drive motor, wherein a motor coil arrangement 30 arranged on a motor stator 28 is provided on a side remote from the motor control 26 with respect to a rotor shaft 32.
- a motor rotor 34 is rotatably mounted on the rotor shaft 32.
- Also rotatably on the rotor shaft 32 of the pump rotor 12 is fixed.
- the motor stator 28 is in this case designed as a laminated core in a known manner.
- the common end wall is formed as a mounting wall part, on which in the present embodiment, the motor controller 26 and the motor stator 28 are arranged.
- the motor coil assembly 30 is in this case via a Potting agent 36 on the mounting wall part 18 and can thus be cooled in a simple manner.
- the motor controller 26, however, is provided on a large-scale board 38, which in turn is mounted on the mounting wall part 18. Due to the large-area thin board 38, an optimal heat transfer from the engine controller 26 into the cooled by the cooling fluid mounting wall part 18 takes place.
- the mounting wall part 18 also has a bearing member 40, on the inside of which a containment shell 42 with an integrated pot end element 44 is sealed by means of sealing means 46.
- a limited engine rotor space 48 can thus be traversed by cooling fluid.
- the motor stator 28 designed as a stator packet is arranged on axially parallel distribution elements 58 via screws 60 on the mounting wall part 18 (see FIG. 3).
- the rotor shaft 32 extending through the mounting wall part 18 is mounted in the pot end 42 and in the mounting wall part 18 via suitable bearing means 50, 52.
- FIG. 2 only schematically and shown in Figure 3 in more detail, is designed as a Hall sensor contactless sensor 54 which monitors in a known manner a Drehste / Iung of the drive motor 24 and which is arranged in the split pot 42 in the region of a pole gap of the motor stator 28.
- FIG. 2 shows a cutaway end view of the electric fluid pump 2 from FIG. 1.
- the motor stator 28 designed as a stator pack, which has openings 56 through which the screws 60 shown in FIG. 3 can be guided, surrounds the stator pack 28 to be attached to the cylindrical heel elements 58 of the mounting wall part 18.
- the motor stator 28 has a rectangular stator geometry, whereby a reduction of sheet metal manufacturing costs is possible. Furthermore, by the arrangement according to the invention a simplification of
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
- Synchronous Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2016/064201 WO2017220119A1 (de) | 2016-06-20 | 2016-06-20 | Elektrische fluidpumpe für ein kraftfahrzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3472470A1 true EP3472470A1 (de) | 2019-04-24 |
EP3472470B1 EP3472470B1 (de) | 2022-03-02 |
Family
ID=56134386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16729946.0A Active EP3472470B1 (de) | 2016-06-20 | 2016-06-20 | Elektrische fluidpumpe für ein kraftfahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US10935028B2 (de) |
EP (1) | EP3472470B1 (de) |
JP (1) | JP2019515628A (de) |
CN (1) | CN109154302A (de) |
WO (1) | WO2017220119A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3803131A1 (de) | 2018-06-08 | 2021-04-14 | Pierburg Pump Technology GmbH | Elektrische kühlmittelpumpe |
WO2019233599A1 (en) | 2018-06-08 | 2019-12-12 | Pierburg Pump Technology Gmbh | Electric motor |
WO2019233597A1 (en) | 2018-06-08 | 2019-12-12 | Pierburg Pump Technology Gmbh | Electric coolant pump |
IT201800009201A1 (it) * | 2018-10-05 | 2020-04-05 | Ind Saleri Italo Spa | Gruppo pompa |
CN109649485B (zh) * | 2019-01-15 | 2024-04-09 | 烟台利通液压技术有限公司 | 一种车用电动液压助力转向泵总成 |
DE102019002392A1 (de) * | 2019-04-02 | 2020-10-08 | KSB SE & Co. KGaA | Wärmesperre |
IT202000025315A1 (it) * | 2020-10-26 | 2022-04-26 | Ind Saleri Italo Spa | Gruppo pompa |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19545561A1 (de) * | 1995-12-07 | 1997-06-12 | Pierburg Ag | Pumpe-Motoreinheit |
DE19740582A1 (de) * | 1997-09-16 | 1999-03-18 | Pierburg Ag | Elektrische Luftpumpe für eine Vorrichtung zum Spülen einer Aktivkohlefalle |
DE19904148C1 (de) * | 1999-02-03 | 2000-10-12 | Pierburg Ag | Elektrische Förderpumpe |
US6118198A (en) * | 1999-03-25 | 2000-09-12 | General Electric Company | Electric motor with ice out protection |
DE19943862A1 (de) | 1999-09-13 | 2001-03-15 | Wilo Gmbh | Naßläuferpumpe mit Montageplatte |
DE19943577A1 (de) * | 1999-09-13 | 2001-03-15 | Wilo Gmbh | Pumpengehäuse mit integrierter Elektronik |
DE10103209A1 (de) | 2001-01-24 | 2002-07-25 | Wilo Gmbh | Motorgehäuse mit Spalttopf |
US6923203B2 (en) * | 2003-05-29 | 2005-08-02 | Rickey E. Wark | Variable orifice valve for airstream containing particulate coal |
US7101158B2 (en) * | 2003-12-30 | 2006-09-05 | Wanner Engineering, Inc. | Hydraulic balancing magnetically driven centrifugal pump |
GB2417981A (en) * | 2004-09-14 | 2006-03-15 | Dana Automotive Ltd | Sealing arrangement for a canned motor pump |
JP2006187044A (ja) * | 2004-12-24 | 2006-07-13 | Nidec Shibaura Corp | 同期モータ |
JP2006191718A (ja) * | 2004-12-28 | 2006-07-20 | Seiko Precision Inc | ステータ、アクチュエータ及びステータの製造方法 |
TWM370012U (en) * | 2009-07-31 | 2009-12-01 | Ji Ee Industry Co Ltd | Electric water pump |
JP5567377B2 (ja) * | 2010-04-19 | 2014-08-06 | 株式会社山田製作所 | 電動ウォーターポンプ |
CN102242717B (zh) * | 2010-05-14 | 2013-09-25 | 于佳衣 | 一种一体化及液体润滑永磁无刷直流电机电动水泵 |
EP2469102B1 (de) * | 2010-12-22 | 2017-08-02 | Pierburg Pump Technology GmbH | Kfz-Kühlmittelpumpe |
JP5033252B1 (ja) * | 2011-04-14 | 2012-09-26 | 日機装株式会社 | キャンドモータポンプ及びそのステータ室内に充填材を充填する方法 |
JP5730176B2 (ja) | 2011-11-11 | 2015-06-03 | 三菱重工業株式会社 | インバータ一体型電動圧縮機 |
PL2933493T3 (pl) * | 2012-12-12 | 2022-02-14 | Hanyu Group Joint-Stock Co., Ltd. | Pompa odprowadzająca z magnesem trwałym silnika prądu przemiennego |
EP2796722B1 (de) | 2013-04-26 | 2016-03-16 | Pierburg Pump Technology GmbH | Elektrische Kraftfahrzeugkühlmittelpumpe mit gebördeltem Gehäuse |
CN105308288B (zh) | 2013-06-28 | 2018-09-25 | 博格华纳公司 | 用于燃烧发动机的增压装置 |
CN104179693B (zh) * | 2014-07-16 | 2018-01-02 | 苏州泰格动力机器有限公司 | 一种磁力泵 |
-
2016
- 2016-06-20 EP EP16729946.0A patent/EP3472470B1/de active Active
- 2016-06-20 JP JP2018558335A patent/JP2019515628A/ja active Pending
- 2016-06-20 WO PCT/EP2016/064201 patent/WO2017220119A1/de unknown
- 2016-06-20 US US16/310,819 patent/US10935028B2/en active Active
- 2016-06-20 CN CN201680085899.9A patent/CN109154302A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US10935028B2 (en) | 2021-03-02 |
JP2019515628A (ja) | 2019-06-06 |
WO2017220119A1 (de) | 2017-12-28 |
EP3472470B1 (de) | 2022-03-02 |
CN109154302A (zh) | 2019-01-04 |
US20200309136A1 (en) | 2020-10-01 |
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