EP3545196A1 - Elektrische kfz-kühlmittelpumpe - Google Patents
Elektrische kfz-kühlmittelpumpeInfo
- Publication number
- EP3545196A1 EP3545196A1 EP17768126.9A EP17768126A EP3545196A1 EP 3545196 A1 EP3545196 A1 EP 3545196A1 EP 17768126 A EP17768126 A EP 17768126A EP 3545196 A1 EP3545196 A1 EP 3545196A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- coolant pump
- outlet openings
- unit
- vehicle 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.)
- Granted
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
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0673—Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
-
- 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
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
- 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
- F04D13/064—Details of the magnetic circuit
Definitions
- the invention relates to an electric vehicle coolant pump with a
- Housing having a pump unit and a motor unit, wherein the motor unit has a stored by means of bearing means in the housing motor rotor and a motor stator, wherein the motor rotor has an impeller member and an axially extending drive member having an axis of rotation, wherein on the impeller member blade elements of the pump unit are arranged wherein inlet and Ausutzö Stammen are provided with respective central axes, which allows a flow of the motor unit with a cooling fluid of the pump unit, wherein in the impeller member, the outlet openings of the pump unit are provided, wherein the outlet openings are provided in the motor rotor.
- DE 199 48 972 A1 discloses a motor pump with a pump unit and a motor unit, wherein the motor unit has a designed as an external rotor motor rotor having an impeller member with blade elements.
- the motor unit For cooling the motor unit, it is known to guide cooling fluid to be pumped from a pressure side of the pump unit through the motor unit to a suction side of the pump unit.
- the object of the invention is therefore to avoid the above-mentioned disadvantage in a simple and cost-effective manner.
- the outlet openings extend substantially in the tangential or radial direction to the projected axis of rotation of the impeller member.
- the angle ⁇ is between 45 ° - 65 °. This will be a special ensures safe removal of dirt particles, since the dirt particles are conveyed into the area of the blade elements.
- the outlet openings are designed as bores which are arranged in a circle uniformly offset in the circumferential direction. Due to the embodiment of a coolant pump according to the invention, for example, three outlet bores may be sufficient for the effective removal of the dirt particles.
- the motor rotor is cup-shaped, wherein the drive member is cylindrical. Despite the cup-shaped design of the motor rotor, the dirt particles are removed without residue from the interior of the motor rotor. In a particularly advantageous manner, the motor rotor is an external rotor Ist.
- the outlet openings are in the outermost
- the motor unit is an electronically commutated electric motor.
- the inlet opening as an annular gap between the housing and the cylindrical
- FIG. 1 shows a sectional view of a K FZ coolant pump according to the invention
- Figure 2 is a schematic sectional view of the motor vehicle coolant pump
- FIG. 3 shows a perspective external view of the impeller element from FIG. 1 with an indicated outlet center axis plane and an indicated rotation axis plane
- FIG. 4 shows a perspective inside view of the impeller element from FIG. 3.
- the motor vehicle coolant pump 2 in this case has a multi-part housing 4 made of plastic, in which essentially a motor unit 6 and a pump unit 8 are provided.
- the pump unit 8 essentially consists of an impeller member 9, which has a rotation axis 10.
- the impeller member 9 has integrally formed blade elements 12 in a known manner. In a known manner, a pressure build-up is effected in this embodiment by the impeller 9 in the housing part 14 of the pump unit 8, wherein cooling fluid can be supplied via an inlet port 16 and via an outlet port 18 can be discharged.
- the impeller member 9 of the pump unit 8 is integrally connected to a cylindrical drive member 20 of the motor unit 6 and thus forms a cup-shaped motor rotor 22.
- Such an arrangement is commonly referred to as external rotor.
- the motor rotor 22 is in this case mounted via bearing means 24 in a containment shell 26 of the housing 4 in a known manner.
- the motor rotor 22 thus forms here together with a motor stator 28 an electronic ⁇ commutated electric motor, 22 non-illustrated embedded permanent magnets are provided in the drive member 20 of the motor rotor, so that the motor rotor 22 is entrained by the rotatable in the motor stator 28 rotatably traveling magnetic field and rotated.
- the cooling fluid thus circulates via this inlet opening 30 from a pressure side 32 of the pump unit 8 into a gap between the cylindrical drive member 20 and the containment shell 18 toward outlet openings 33, which in turn have central axes 34, to a suction side 36 of the pump unit 8.
- Any dirt particles present in the cooling fluid are collected due to their centrifugal force in the transition 38 between the cylindrical drive member 20 and the impeller member 9, so that they can not damage the motor unit 6 and in particular the bearing means 24.
- FIG. 2 shows, in a schematic view, the flow of cooling fluid from the inlet opening 30 between the housing 4 and the drive member 20 via a gap between the drive member 20 and the containment shell 26 toward the outlet openings 33.
- FIG. 3 once again shows, in a perspective view, the impeller member 9 and the outlet openings 33, which are designed here as bores and which are arranged in a circle, offset by 120 °.
- the outlet openings 33 have a tangential direction here.
- the outlet opening 33 uses the outlet opening 33; in that it is oriented in the direction of flow, the speed difference between the impeller 9 and the cooling fluid.
- a flow-directed guidance of the cooling fluid from the inner region of the motor rotor 22 is effected in the housing part 14, whereby an accumulation of dirt particles is effectively avoided.
- FIG. 4 now shows, in a perspective view, the inside of the impeller element 9 from FIG. 2. Due to the arrangement of the outlet bores according to the invention, no dirt particles collect more in a cup bend 40 of the impeller element 9. With an inner diameter of the impeller member 9 of 35 mm, the outlet openings 33 have a diameter of 4 mm and are arranged on a circular path with a radius of 15.5 mm.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016122784.6A DE102016122784A1 (de) | 2016-11-25 | 2016-11-25 | Elektrische KFZ-Kühlmittelpumpe |
| PCT/EP2017/073387 WO2018095607A1 (de) | 2016-11-25 | 2017-09-18 | Elektrische kfz-kühlmittelpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3545196A1 true EP3545196A1 (de) | 2019-10-02 |
| EP3545196B1 EP3545196B1 (de) | 2022-04-13 |
Family
ID=59887283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17768126.9A Active EP3545196B1 (de) | 2016-11-25 | 2017-09-18 | Elektrische kfz-kühlmittelpumpe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11162511B2 (de) |
| EP (1) | EP3545196B1 (de) |
| CN (1) | CN109983232B (de) |
| DE (1) | DE102016122784A1 (de) |
| WO (1) | WO2018095607A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017120039B4 (de) * | 2017-08-31 | 2025-02-20 | Nidec Gpm Gmbh | Kühlmittelpumpe mit anwendungsoptimiertem Aufbau |
| DE102017127574B3 (de) * | 2017-11-22 | 2019-02-21 | Nidec Gpm Gmbh | Kühlmittelpumpe mit anwendungsoptimiertem Aufbau und verbessertem Wärmehaushalt |
| DE102018125031A1 (de) * | 2018-10-10 | 2020-04-16 | HELLA GmbH & Co. KGaA | Pumpe, insbesondere für einen Flüssigkeitskreislauf in einem Fahrzeug |
| DE102019115778A1 (de) * | 2019-06-11 | 2020-12-17 | HELLA GmbH & Co. KGaA | Pumpe, insbesondere Pumpe für einen Flüssigkeitskreislauf in einem Fahrzeug |
| CN110281156B (zh) * | 2019-07-26 | 2025-01-07 | 南京大地水刀股份有限公司 | 一种超高压水和磨料同时旋转传送的旋转接头 |
| DE102020209616A1 (de) * | 2020-07-30 | 2022-02-03 | Robert Bosch Gesellschaft mit beschränkter Haftung | Flüssigkeitspumpe |
| CN112253485B (zh) * | 2020-11-04 | 2024-10-22 | 江苏国泉泵业制造有限公司 | 一种叶轮悬臂式全贯流泵 |
| WO2022135678A1 (en) | 2020-12-21 | 2022-06-30 | Pierburg Pump Technology Gmbh | Electric automotive liquid pump with particle trap |
| CN113482939B (zh) * | 2021-08-13 | 2023-02-14 | 宁德时代电机科技有限公司 | 集成控制器高效水冷外转子式永磁智能水泵 |
| CN113653556B (zh) * | 2021-10-21 | 2021-12-28 | 威晟汽车科技(宁波)有限公司 | 一种汽车的电子水泵装置 |
| IT202300016596A1 (it) * | 2023-08-03 | 2025-02-03 | Ind Saleri Italo Spa | Assieme pompa |
| DE102024115849A1 (de) * | 2024-06-06 | 2025-12-11 | Truma Gerätetechnik GmbH & Co. KG | Selbstentleerende Wasserpumpe |
| WO2026037484A1 (de) * | 2024-08-13 | 2026-02-19 | Pierburg Gmbh | Kfz-kühlmittelversorgungsvorrichtung |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3135211A (en) * | 1960-09-28 | 1964-06-02 | Integral Motor Pump Corp | Motor and pump assembly |
| US4699573A (en) * | 1981-10-13 | 1987-10-13 | Westinghouse Electric Corp. | Transformer oil pump bearing material |
| US4644202A (en) * | 1985-04-15 | 1987-02-17 | Rockwell International Corporation | Sealed and balanced motor and fluid pump system |
| US4836147A (en) * | 1987-12-14 | 1989-06-06 | Ford Motor Company | Cooling system for an internal combustion engine |
| JP2796427B2 (ja) | 1990-11-14 | 1998-09-10 | 三菱重工業株式会社 | スクロール型圧縮機 |
| US5997261A (en) * | 1997-10-31 | 1999-12-07 | Siemens Canada Limited | Pump motor having fluid cooling system |
| JPH11287200A (ja) | 1998-04-01 | 1999-10-19 | Nikkiso Co Ltd | 液体流揺動装置 |
| DE19948972A1 (de) | 1999-10-12 | 2001-04-19 | Bosch Gmbh Robert | Motorpumpe |
| JP3752594B2 (ja) * | 2000-04-25 | 2006-03-08 | 愛三工業株式会社 | 磁気結合ポンプ |
| GB2388404B (en) | 2002-05-09 | 2005-06-01 | Dana Automotive Ltd | Electric pump |
| JP2004346774A (ja) | 2003-05-20 | 2004-12-09 | Aisan Ind Co Ltd | 磁気結合ポンプ |
| TWM279743U (en) * | 2005-07-15 | 2005-11-01 | Delta Electronics Inc | Centrifugal water pump having an integral rotor |
| AT502566B1 (de) * | 2005-10-13 | 2007-08-15 | Tcg Unitech Systemtechnik Gmbh | Kühlmittelpumpe |
| JP2007332839A (ja) * | 2006-06-14 | 2007-12-27 | Aisan Ind Co Ltd | 流体ポンプ |
| DE102007055907A1 (de) * | 2007-12-21 | 2009-06-25 | Geräte- und Pumpenbau GmbH Merbelsrod | Kühlmittelpumpe |
| DE102009009898A1 (de) | 2009-02-20 | 2010-08-26 | Bayerische Motoren Werke Aktiengesellschaft | Kühlmittelpumpe für Fahrzeuge |
| MX341039B (es) * | 2010-04-19 | 2016-08-04 | Kolektor Magnet Tech Gmbh | Bomba de refrigerante para automovil electrica. |
| JP2012145022A (ja) | 2011-01-11 | 2012-08-02 | Aisan Industry Co Ltd | 電動ポンプ |
| US9249806B2 (en) | 2011-02-04 | 2016-02-02 | Ti Group Automotive Systems, L.L.C. | Impeller and fluid pump |
| DE102013107986A1 (de) | 2013-07-25 | 2015-01-29 | Xylem Ip Holdings Llc | Umwälzpumpe |
| EP3012457B1 (de) | 2014-10-21 | 2018-12-12 | Pierburg Pump Technology GmbH | Elektrische kfz-kühlmittelpumpe |
-
2016
- 2016-11-25 DE DE102016122784.6A patent/DE102016122784A1/de not_active Withdrawn
-
2017
- 2017-09-18 US US16/463,373 patent/US11162511B2/en active Active
- 2017-09-18 CN CN201780072247.6A patent/CN109983232B/zh active Active
- 2017-09-18 WO PCT/EP2017/073387 patent/WO2018095607A1/de not_active Ceased
- 2017-09-18 EP EP17768126.9A patent/EP3545196B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3545196B1 (de) | 2022-04-13 |
| CN109983232A (zh) | 2019-07-05 |
| DE102016122784A1 (de) | 2018-05-30 |
| US11162511B2 (en) | 2021-11-02 |
| CN109983232B (zh) | 2021-12-14 |
| WO2018095607A1 (de) | 2018-05-31 |
| US20190353166A1 (en) | 2019-11-21 |
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