EP3417173A1 - Pump drive for conveying a reduction medium for motor vehicle exhaust systems, modular motor and pump family for forming different pump drives with multiple electric motors of this type - Google Patents
Pump drive for conveying a reduction medium for motor vehicle exhaust systems, modular motor and pump family for forming different pump drives with multiple electric motors of this typeInfo
- Publication number
- EP3417173A1 EP3417173A1 EP17706670.1A EP17706670A EP3417173A1 EP 3417173 A1 EP3417173 A1 EP 3417173A1 EP 17706670 A EP17706670 A EP 17706670A EP 3417173 A1 EP3417173 A1 EP 3417173A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- stator assembly
- pump drive
- positive displacement
- drive according
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/008—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/101—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/44—Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/56—Bearing bushings or details thereof
Definitions
- the invention relates to a pump drive for the promotion of a reducing agent for automotive exhaust systems, with an electronically commutated DC motor, a positive displacement pump and a freeze compensation. Furthermore, the invention relates to a modular motor and pump family for forming different pump drives with several such electric motors and pumps.
- the invention is used in automotive internal combustion engines which generally exhaust a large amount of NOx. This is particularly the case with diesel engines as they burn relative to a gasoline engine with excess oxygen. NOx is a noxious gas that endangers the environment and human health.
- the SCR technique has long been known (selective catalytic reaction), in which an aqueous urea solution is sprayed directly into the combustion exhaust gas of the exhaust line, thereby causing a chemical reduction reaction, which significantly reduces the amount of remaining NOx pollutants.
- the composition of the urea solution is regulated in ISO 22241-1.
- the high exhaust gas temperatures lead first to a thermolysis and hydrolysis reaction, which produces ammonia (NH3).
- the following reduction reaction takes place in an SCR catalyst: NO + NO 2 + 2NH 3 -> 2N 2 + 3H 2 O.
- an SCR system consists of a tank for the urea solution, a pump system, an injector, and electronics that regulate injection pressure and duration.
- a urea solution also known as AdBlue, depending on the
- the object of the invention is therefore in a simple and robust manner for the integration of a hydraulic unit (positive displacement pump) in an electrical unit (electric motor), a sealing of a wet area to a dry area, integration of a freeze compensation in the wet area, a mechanical customer attachment, hydraulic customer-side connection and to worry for a modular construction.
- Another object is to meet a wide variety of applications and requirements in terms of delivery pressure range and flow rate with minimal modifications and with a minimum number of parts.
- Important here is a modular design of the
- Electric motor and the positive displacement pump which can be used without much modification effort by simple combination of modules or components for different requirements.
- the invention is based on the idea to provide a wound with a injection molding processable plastic material wound stator core, which is a compact and dense compared to the fluid to be delivered
- Stator assembly forms and take the positive displacement pump in the stator assembly axially to the permanent magnet rotor and to attach to the stator assembly. Due to the encapsulation can be dispensed with a split pot; Moreover, this creates a considerable freedom of design. Next assembly steps can be omitted or simplified. Further developments of the invention are presented in the subclaims.
- the stator assembly (6) has a rotor receiving space (49) with a first inner diameter (d1) and a pump receiving space (55) with a second inner diameter (d2), wherein the second inner diameter (d2) is larger than that first inner diameter (d1), whereby a shoulder (27) is formed.
- the stator assembly (6) is designed so that the components of the positive displacement pump (4) are available without undercut.
- this spring means (10) is a corrugated spring, which is very simple and always available.
- the spring means (10) ensures that the housing parts of the positive displacement pump (4) abut each other. At low
- the spring means (10) additionally prevent destruction of the pump housing (15), if the ice pressure in a
- Pump chamber is greater than in a wet area (53) outside the pump room.
- the spring means (10) may serve as a fastening means, which is arranged between one or more screws (14) and the positive displacement pump (4) outside of a wet region (53).
- a crown-shaped metallic spring can be mounted on the stator assembly (6) with the aid of screws (14).
- the positive-displacement pump (4) can assume an arbitrary angular position with respect to the stator assembly (6) in the case of a symmetrical structure.
- the spring means (10) is preferably made of spring steel. Also in this second embodiment, the spring means (10) can compensate for increasing ice pressure at low temperatures.
- the positive displacement pump (4) can be screwed to the stator assembly (6) in such a way that the screw or screws (14) fit into the stator
- Plastic material of the stator assembly (6) is screwed / are.
- a plastic material for the stator assembly (6) a material with high strength.
- self-tapping screws are used, which makes it is enough to form threadless cylindrical cavities. This allows a simpler design of an injection mold and easier removal of the workpieces from the injection molding tool, with the help of the stator assembly (6) is produced.
- thermoset material for the stator assembly (6) because it can meet high tightness requirements and high strength requirements.
- the fastening projections (1 6) serve for attachment,
- fastening projections (16) can also be formed by the plastic material of the stator assembly (6) or by a combination of
- a radial sealing ring in particular a ring cord seal (O-ring).
- O-ring ring cord seal
- the sealing ring (8) is in each case radially on the stator assembly (6) and on the pump head (43) on cylinder jacket surfaces, which can be performed in the shown design advantageously without mold separation on. It is further provided that the permanent magnet rotor (7) and the larger part of the positive displacement pump (4) in the wet region (53) are arranged, wherein the wet region (53) by the stator assembly (6) and by a pump head (43) is limited. As a result, a single sealing ring (8) extends around the pump drive (1)
- Pump head (43) and the pump cover (45) arranged.
- the three pump parts (43, 44, 45) are held together by the spring means (10) and screws (14) securing the pump head (43) in the stator assembly (6).
- the positive displacement pump (4) comprises a freeze compensation (5).
- This consists of an elastic and yielding, in particular
- the freeze compensation (5) serves a
- a simple mounting option is that the freeze compensation (5) is positively connected by prototyping with the pump housing (15).
- connecting projections (26) are injected with the pump cover (45), which hold the freeze compensation (5) in a form-fitting manner.
- the pump housing (15) is preferably made of a thermoset material or alternatively of a
- sensors (50) are arranged axially relative to the permanent magnet rotor (7). These are sensors for detecting the permanent magnet rotor (7)
- the signal quality is greatest when the sensors (50) are located close to the permanent magnet rotor (7). This is further advantageous that no metallic containment shell is present, which could attenuate the detectable magnetic field of the permanent magnet rotor (7).
- the sensors (50) serve as rotor position sensors and are in the plastic material of the
- the interconnection unit (30) consists essentially of a plug connection, which additionally serves as interconnecting means for individual coils (52) of the winding (32).
- the second object is achieved by a modular pump drive family to cover different delivery pressure ranges and / or flow ranges, wherein the wound stator core (31) is encapsulated by an injection-processable plastic material and thereby forms a compact and compared to the fluid to be conveyed dense stator assembly (6) Displacement pump (4) in the stator assembly (6) axially to the permanent magnet rotor (7) and is attached to the stator assembly (6) and wherein the individual pump drives (1) by different stator lengths, stator diameter, rotor lengths,
- Rotor diameter and / or different positive displacement pumps (4) and / or equipment variants differ from each other, the equipment variants have the following features: - a control electronics for
- the pump drive family is characterized by standardized components, which offers great flexibility in the product range as well as a large number of product variants.
- This relates to the electronically commutated DC motor (3) on the one hand and the positive displacement pump (4) on the other. Both the motor and the pump can be quickly and easily adapted to new conditions.
- the combination of engine and pump variants further increases the possible number of variants.
- the engine properties can be, for example, by extending the engine, so the stator core (31) and the permanent magnet rotor (7). This has the advantage that the pump geometry is usually not affected. A change in the diameter of the engine is conceivable. Various engine speeds and torques can also be achieved by adjusting the winding (32). The mechanical interface to the displacement pump (4) and the sealing ring (8) remain unchanged.
- the middle part (44) is also adapted.
- Inner diameter of the stator assembly (6) remain the same and yet by exchanging the central part (44) and received therein gears (19, 20) a high variability of the delivery capacity and / or the delivery pressure can be achieved.
- control electronics can be dispensed with.
- the control tasks are usefully taken over in this case by an external control module, which is an example part of a system control.
- the electrical interface is powered by a
- Control signal connections z. B. in the form of a plug connection.
- 3 is a three-dimensional representation of the first embodiment
- 4 is a sectional view of a fluid inlet
- Fig. 8 is a perspective view of a wound stator.
- Fig. 1 shows a sectional view through a first embodiment of a
- Pump drive 1 comprising an electronically commutated DC motor 3, consisting of a wound stator assembly 6, a permanent magnet rotor 7, a central axis 18 and a gear pump 4, with a first gear 19, which is integral with a protruding into the gear pump 4 hollow shaft 46 and a second Gearwheel 20 driven by the first gearwheel 19, which is accommodated on an axle 42 and a fluid inlet 12.
- the gearwheels 19, 20 here consist of PEEK.
- the axis 42 is arranged in a pump housing 15, wherein the pump housing 15 is designed in three parts; it consists of one
- Pump head 43 a central portion 44 and a pump cover 45.
- the central axis 18 and the axis 42 are fixed in the pump head 43 and radially supported directly or via the hollow shaft 46 in the pump cover 45.
- the pump head 43 is provided with an axial projection 48, which is for a sufficiently long
- the permanent magnet rotor 7 consists of a PPS-bonded ferrite and is rotatably connected to the hollow shaft 46 and mounted on a bearing bush 47 on the axis 42.
- the bushing 47 is connected to the permanent magnet material of
- Permanent magnet rotor 7 and the hollow shaft 46 is given by a hexagonal contour.
- a fluid outlet 13 is here covered by the fluid inlet 12 (see FIG. 3).
- a freeze compensation 5 is connected by prototyping; For this purpose, this is held positively by pin-like connection projections 26 of the pump housing 15.
- the pump housing 15 consists of a injection molding processable plastic material and the
- Freeze compensation 5 made of an elastic and resilient material.
- a spring means 10 in the form of a wave spring is supported on a shoulder 27 of the
- Stator assembly 6 and the pump housing 15 near the freeze compensation 5 and serves as clearance compensation between the gear pump 4 and the
- the stator assembly 6 includes a
- Stator core 31 in the form of a laminated core, which is radially expanded at several points and at these points fastening projections 1 6 forms, in each of which a passage 17 for a fastener is present.
- the stator core 31 has stator slots 40, in which insulating bodies 33 are inserted and which are wound with a winding 32.
- a guide contour 36 is used for radial positive reception of the gear pump 4 in an axially projecting extension 37 of the stator assembly 6.
- Pump housing 15 serves as an axial stop for the gear pump 4th Der
- the pump drive 1 further comprises sensors 50, which are embedded in the plastic material of the stator assembly 6 axially to the permanent magnet rotor 7.
- a dashed line indicated Sensor connection line 51 shows its course within the stator assembly 6.
- the sensor connection line 51 is designed as a guide plate, which in the
- Fig. 2 shows a spring means 10 in the form of a corrugated spring, for the plant of the
- the wave spring is a standard component.
- FIG. 3 shows a three-dimensional representation of the first embodiment, with the stator assembly 6, the attachment projections 16, the gear pump 4, the fluid inlet 12, the fluid outlet 13 and the interconnection unit 30.
- the fluid inlet 12 and fluid outlet 13 are shown only stylized.
- Positive locking contour 56 serves for the mechanical fixation of the hydraulic
- connection seal 35 is inserted in a groove 34 of the hydraulic connection and seals against the fluid inlet 12.
- Fig. 5 shows a sectional view through a second embodiment of a
- the electronically commutated DC motor 3 ' consists of a wound
- Stator assembly 6 and a permanent magnet rotor 7'.
- Permanent magnet rotor 7 ' is connected via a central axis 18' with a first gear 19 'in a rotationally fixed connection.
- a second gear 20 ' is moved by the first gear 19'.
- a sealing ring 8 ' is arranged between the gear pump 4 'and the stator assembly 6'.
- Gear pump 4 ' is fixed by means of a spring means 10' to the stator assembly 6 ', wherein the spring means 10' is fixed by means of screws 14 '.
- Gear pump 4 ' has a fluid inlet 12' and a fluid outlet 13 '.
- the electronically commutated DC motor 3 'and the gear pump 4' form a compact unit, which is arranged in a recess within the tank 2 'and fixed there by means of fastening screws 1 1'.
- Stator assembly 6 mounting projections 1 6' with bushings 17 'on.
- the stator assembly 6 ' is made of a stator core 31 overmolded by a thermosetting material.
- Fig. 6 shows the spring means 10 'of FIG. 5 as a single component in section.
- Spring means 10 ' has in its basic form a cup shape with collar, which serves as a mounting flange 21' and is provided with a plurality of fastening eyes 22 '.
- the bottom of the pot is broken in the middle area.
- the outer remaining part consists of a plurality of spring arms 24 ', which each have a kink 25'.
- a pot wall 23 ' which is slightly inclined relative to a hollow cylinder.
- Fig. 7 shows the spring means 10 'of FIG. 6 in plan view, with the mounting flange 21', the fastening eyes 22 ', the pot wall 23', the spring arms 24 'and the kinks 25'.
- stator assembly 6 which can be used for a pump drive in the exemplary embodiments according to the invention
- the stator assembly 6 comprises a stator core 31 "in the form of a laminated core, fastening projections 16" with lead-throughs 17 "
- Insulating body 33 " a winding 32", which consists of nine individual coils 52 "and an interconnecting unit 30", to which winding wires 41 "are connected and forms a plug connection
- the interconnecting unit 30" additionally provides an interconnection of the individual coils 52 "of the winding 32 ".
- Winding 32 is designed here as a delta connection with three individual coils 52" in series. It is a three-phase winding, each Einzuelelspule 52 "of a phase of two individual coils 52" of another phase is spatially separated. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016202260.1A DE102016202260A1 (en) | 2016-02-15 | 2016-02-15 | Pump drive for the promotion of a reducing agent for vehicle exhaust systems, modular motor and pump family to form different pump drives with several such electric motors |
PCT/DE2017/200010 WO2017140311A1 (en) | 2016-02-15 | 2017-01-30 | Pump drive for conveying a reduction medium for motor vehicle exhaust systems, modular motor and pump family for forming different pump drives with multiple electric motors of this type |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3417173A1 true EP3417173A1 (en) | 2018-12-26 |
Family
ID=58108378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17706670.1A Withdrawn EP3417173A1 (en) | 2016-02-15 | 2017-01-30 | Pump drive for conveying a reduction medium for motor vehicle exhaust systems, modular motor and pump family for forming different pump drives with multiple electric motors of this type |
Country Status (5)
Country | Link |
---|---|
US (1) | US10920771B2 (en) |
EP (1) | EP3417173A1 (en) |
CN (1) | CN108700061B (en) |
DE (1) | DE102016202260A1 (en) |
WO (1) | WO2017140311A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018208853A1 (en) * | 2018-06-05 | 2019-12-05 | Magna Powertrain Bad Homburg GmbH | pump |
US11658533B2 (en) * | 2020-01-29 | 2023-05-23 | Ford Global Technologies, Llc | Thermal management assembly with end cap and seal for an electrified vehicle |
DE102021133484A1 (en) | 2021-12-16 | 2023-06-22 | Bühler Motor GmbH | Electronically commutated fluid pump |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4106060C2 (en) * | 1991-02-27 | 1995-11-30 | Fresenius Ag | Pump, in particular an encapsulated medical pump |
US5670852A (en) * | 1994-01-18 | 1997-09-23 | Micropump, Inc. | Pump motor and motor control |
JP2005256676A (en) * | 2004-03-10 | 2005-09-22 | Koyo Seiko Co Ltd | Electric pump unit |
US20060017339A1 (en) * | 2004-06-03 | 2006-01-26 | Lalit Chordia | Brushless canned motor |
JP2006233867A (en) * | 2005-02-24 | 2006-09-07 | Aisin Seiki Co Ltd | Electric pump and fluid-feeding device |
DE102006008423A1 (en) * | 2006-02-23 | 2007-08-30 | Wilo Ag | Motorized centrifugal pump for pumping substances has a stack of contacts for a stator on an electric motor extrusion- coated with plastic fitted with cooling channels |
US20080042503A1 (en) * | 2006-08-15 | 2008-02-21 | Hartkorn Hans-Walter | Electric motor |
DE102007033659A1 (en) * | 2007-07-17 | 2009-01-22 | Cor Pumps + Compressors Ag | Spur gear circulation pump |
DE112009002109A5 (en) * | 2008-06-09 | 2011-05-26 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | ENGINE PUMP MODULE |
DE102008054037B4 (en) * | 2008-10-30 | 2013-05-16 | Bühler Motor GmbH | Low noise centrifugal pump |
FR2943744A1 (en) * | 2009-03-24 | 2010-10-01 | Inergy Automotive Systems Res | ROTARY PUMP |
DE102011005304A1 (en) * | 2010-09-23 | 2012-03-29 | Robert Bosch Gmbh | Pump for conveying fluid to combustion engine in motor vehicle, has stator enclosed completely by sealing sleeve in which functional geometrical structures are formed to position impeller relative to suction and pressure port openings |
US20120211093A1 (en) * | 2011-02-22 | 2012-08-23 | Micropump, Inc. | Pump assemblies with freeze-preventive heating |
DE102011077949A1 (en) * | 2011-06-22 | 2012-12-27 | Robert Bosch Gmbh | gear pump |
JP5760891B2 (en) * | 2011-09-17 | 2015-08-12 | 株式会社ジェイテクト | Electric oil pump |
DE102012201299A1 (en) * | 2012-01-31 | 2013-08-01 | Robert Bosch Gmbh | Pump with electric motor |
JP5987331B2 (en) * | 2012-02-02 | 2016-09-07 | 株式会社ジェイテクト | Electric oil pump device |
JP5474117B2 (en) * | 2012-04-05 | 2014-04-16 | 三菱電機株式会社 | Electric pump and electric pump manufacturing method |
JP5926463B2 (en) * | 2012-10-29 | 2016-05-25 | ピアーブルグ パンプ テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツングPierburg Pump Technology GmbH | Electric liquid pump for automobiles |
JP6248487B2 (en) * | 2013-09-12 | 2017-12-20 | 株式会社ジェイテクト | Electric pump device |
KR102150609B1 (en) * | 2014-02-21 | 2020-09-01 | 엘지이노텍 주식회사 | Motor |
US20160230767A1 (en) * | 2015-02-11 | 2016-08-11 | Steve Thompson | High efficiency hydronic circulator with sensors |
DE102015015863A1 (en) * | 2015-12-09 | 2017-06-14 | Fte Automotive Gmbh | Electric motor driven liquid pump |
-
2016
- 2016-02-15 DE DE102016202260.1A patent/DE102016202260A1/en not_active Withdrawn
-
2017
- 2017-01-30 WO PCT/DE2017/200010 patent/WO2017140311A1/en active Application Filing
- 2017-01-30 EP EP17706670.1A patent/EP3417173A1/en not_active Withdrawn
- 2017-01-30 CN CN201780011401.9A patent/CN108700061B/en not_active Expired - Fee Related
-
2018
- 2018-08-01 US US16/051,708 patent/US10920771B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10920771B2 (en) | 2021-02-16 |
WO2017140311A1 (en) | 2017-08-24 |
US20180340533A1 (en) | 2018-11-29 |
DE102016202260A1 (en) | 2017-08-17 |
CN108700061A (en) | 2018-10-23 |
CN108700061B (en) | 2020-02-14 |
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