CN108292878A - Cooling shell and its manufacturing method for motor - Google Patents
Cooling shell and its manufacturing method for motor Download PDFInfo
- Publication number
- CN108292878A CN108292878A CN201680069374.6A CN201680069374A CN108292878A CN 108292878 A CN108292878 A CN 108292878A CN 201680069374 A CN201680069374 A CN 201680069374A CN 108292878 A CN108292878 A CN 108292878A
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- China
- Prior art keywords
- matrix
- cover element
- edge
- groove
- end side
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/064—Cooling by a cooling jacket in the pump casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Cooling shell according to the present invention for motor includes：Matrix (2) for accommodating motor (10), wherein matrix (2) have the groove (24) to extend in the circumferential direction of matrix (2) on its outer surface (21)；With the cover element (3) of bending, the cover element (3) is mechanically coupled with matrix (2), the cover element (3) being wherein bent has the first end side (32), pass through the cover surface (31) of cover element (3) and second end side (33) of the first end side (32) spacing distance and discontinuities (34), the discontinuities (34) extend along the connecting line extended on cover surface (31) between the first end side (32) and the second end side (33) of cover element (3), and it is determined by the first connection edge (340) and second connection edge (341) opposed with the first connection edge (340).First connection edge (340) of cover element (3) and second connects edge (341) between each other and/or is mechanically coupled with matrix (2) Fluid Sealing, and cover element (3) covers the groove (24) in matrix (2) and is tightly attached on matrix (2).
Description
Technical field
The present invention relates to a kind of cooling shells for motor, such as the cooling shell of electric motor of automobile, and are related to one
Kind for motor cooling shell manufacturing method, such as cooling shell for electric motor of automobile manufacturing method.
Background technology
The requirement of shell in face of several functions and mechanically for motor, the shell must be in the entire longevity of motor
Reliably meet the requirement in the life period.For the wasted power occurred in export stator and rotor, motor (EM) is by enclosing
Around cooling dome it is cooled, the cooling dome is the component part of electric machine casing (EM shells).This cooling dome is usually in vehicle side
It is attached in cooling cycle and is flowed through by water-ethylene glycol mixture.It is therefore essential that cold in the entire life cycle of motor
But cover inward towards motor direction and outward be sealing.In addition to the leakproofness of cooling dome, in the design of electric machine casing, at
Originally, weight and structure space demand are crucial standards.
It is known that the shell for motor is made of multiple portions, wherein cooling dome is produced by the connection of individual component
Raw (" setting up cooling dome ").
For example, shell can have the two-part stator carrier with cooling structure and pipe section, the pipe section to cover
It cooling structure and is hermetically connect with stator carrier fluid.But this shell has multiple sealing stations, is particularly depending on design
The inner sealing station in the direction of ground towards motor, the sealing station must for example be held high by sealing, adhesive or welding
Your place seals.Here, often there is blow-by, especially on the direction of motor, the blow-by cannot be handled or be only capable of
Pass through manual processing, it means that high manufacturing cost.
DE 10 2,010 042 259 A1, DE 10 2,010 040 399 A1 and DE 10 2,006 044 785 A1 points
Not suggested a kind of shell for motor, the shell have cylinder shape stator carrier and insert on stator carrier and with institute
State the pipe of stator carrier connection so that pipe fluid hermetically covers the cooling structure in stator carrier.Stator carrier must be very
It accurately manufactures so that pipe can be inserted on stator carrier and can hermetically be connect with stator carrier fluid.
Alternatively, it is known that the shell (" casting cooling dome ") of the casting of single type.This shell is produced by the usually molten core lost
Raw, the core forms the structure of cooling water cover.But this manufacturing method is complicated and expensive.
Invention content
Therefore, the technical problem to be solved by the present invention is to provide one kind and at least partially overcoming disadvantages described above
For the cooling shell of motor and a kind of manufacturing method of cooling shell for motor.Should particularly provide it is a kind of advantageous and
Simple housing design scheme, the housing design is without the molten core lost and avoids potential cold especially on motor drive direction
But water leaks.
This technical problem passes through according to the present invention according to claim 1 for the cooling shell of motor and according to right
It is required that the manufacturing method of the 9 cooling shell for motor is addressed.
According in a first aspect, the present invention relates to a kind of cooling shell for motor, the cooling shell includes：
Matrix for accommodating motor, wherein matrix are recessed with extending in the circumferential direction of matrix on its outer surface
Slot；With the cover element of bending, the cover element is mechanically coupled with matrix, wherein the cover element being bent has the first end side, passes through
Prolong along on cover surface with the second end side of the first end side spacing distance and discontinuities, the discontinuities on the cover surface of cover element
The connecting line stretched extends between the first end side and the second end side of cover element, and is connect by the first connection edge and with first
Edge opposite second connection edge determine, wherein cover element first connection edge and second connection edge between each other and/
Or be hermetically mechanically coupled with base fluid, and cover element covers the groove in matrix and by being placed on matrix.
According to second aspect, the present invention relates to a kind of manufacturing methods of the cooling shell for motor, in particular according to preceding
The manufacturing method of the cooling shell of requirement is stated, the manufacturing method includes：
The matrix for receiving motor is prepared, wherein matrix has in its outer surface and extends in the circumferential direction of matrix
Groove；
The cover element of bending is prepared, the cover element has the first end side, cover surface and the first end side by cover element
Second end side of spacing distance and discontinuities, the discontinuities are along the connecting line extended on cover surface the first of cover element
Extend between end side and the second end side, and true by the first connection edge and the second connection edge for connecting edge opposite with first
It is fixed；
By cover element by being put on matrix so that cover element covers groove；With
First connection edge of cover element and the second connection edge is between each other and/or hermetically mechanical with base fluid
Connection, and cover element covers the groove in matrix and by being placed on matrix.
The other advantageous design scheme of the present invention is subsequent by dependent claims and the preferred embodiment of the present invention
Description in obtain.
Cooling shell according to the present invention for motor include for accommodate for example the matrix of the motor of stator carrier and
The cover element of the especially such as cover plate of elasticity of bending, the cover element are mechanically coupled with matrix.Matrix is in its outer surface
With the groove to extend in the circumferential direction of matrix, the groove is specifically designed to the liquid so that the groove can be cooled
It flows through.The cover element of bending, especially after the cover element is placed around matrix and/or before coupling with matrix and/or
Later, the second end side and discontinuities with the first end side, by the cover surface of cover element with the first end side spacing distance.It interrupts
Portion extends along the connecting line extended on cover surface between the first end side and the second end side of cover element, and connects by first
Edge fit edge and the second connection edge that edge opposite is connect with first determine.First connection edge of cover element and the second connection side
Edge is mutual and/or is hermetically mechanically coupled with base fluid, wherein carrying out the first connection edge and second connects edge
Mechanical attachment mutual and/or with matrix, and cover element is placed in a manner of covering the groove in matrix around matrix
And by being placed on matrix.
Because connection edge is mechanically linked first, as long as cover element surrounds matrix and places on the outside, then cover element
Independently it can couple to Fluid Sealing in a simple manner with matrix with the shape of matrix.Therefore, it is possible to use arbitrary one
Formula matrix.In addition, especially the connection that is welded to connect can automate and in a process with from external good accessibility
Manufacture.If Fluid Sealing between the connection of the Fluid Sealing between matrix and cover element or the connection edge of cover element
Occur blow-by in the case of connection, then can recognize that this blow-by, because the blow-by occurs and thus, it could be seen that makes outward
It must can be achieved simply to modify.
Motor can be the motor of automobile, such as starter motor-generator, electric booster and/or driving electro-motor.It replaces
Dai Di, motor can be electric industrial motor or industrial motor.
In some embodiments, cover element can have the first terminal side edge on the first end side and on the second end side
Second terminal side edge.Preferably, the first terminal side edge and the second terminal side edge are hermetically mechanically coupled with base fluid.If you need to
It wants, cover element can have Transition edges between terminal side edge and connection edge in addition, and the Transition edges also can be with matrix stream
Body hermetically couples.Therefore, the entire groove in matrix can be along the outer edge Fluid Sealing Land cover of cover element.
Matrix may be designed as hollow columnar element.Hollow columnar element can be open on two end sides, or an end side
It is upper to be open and closed on another end side, therefore it is designed as peviform.Hollow cylindrical element can have medial surface, the medial surface
The particularly cylindrical hollow space for accommodating motor is determined.Hollow columnar element can have lateral surface, the outside
The base shape in face is equivalent to the peripheral surface of a geometry cylinder, and the ground of the cylinder is, for example, circle, oblong, ellipse
Or the polygon in the corner with circular edge and/or with rounding.Groove is set in outer side.
Groove can particularly have uniform depth in circumferential direction, especially when base shape is equivalent to circle
When the peripheral surface of (cylinder) geometry cylinder for bottom surface.Alternatively, the depth of groove in circumferential direction can be variable
, such as corresponded to oblong, oval bottom surface or corner with circular edge and/or with rounding in base shape
Polygon bottom surface geometry cylindrical peripheral surface when.In this case, the depth of groove can be in the bottom surface with minimum bend
Region in it is maximum.
On its outer lateral surface, during the element of hollow cylindrical on the longitudinal direction of hollow cylindrical element except being preferably located in
Between groove outside also have it is one or more from outside connecting element outstanding, for motor is fixed in shell and/or
It is attached in drive system for shell will to be cooled down.Connecting element is preferably arranged in outside groove, particularly adjacent to hollow columnar
Longitudinal side end of element is arranged.Connecting element may be designed as bolt boss, flank and/or similar connection structure.For example, even
Connect element and may be configured as fixing bearing lid or other component for motor to be fixed on shell, and/or may be configured as by
Motor couples with the other driving part of speed changer or drive system.Because cover element has discontinuities and is therefore being cooperated to
Particularly can flexibly it be unfolded when on matrix, so the cover element can be in connecting element and similar interference profile axially
It is directed through from side.
Matrix may be designed as single type or multi-piece type.Preferably, matrix is designed as single type or the centreless with center
Main part, the main part have whole grooves so that sealing station is not present in the region towards motor, weldering is especially not present
Seam, adhesive or sealing.It avoids the position of the blow-by on motor drive direction at the beginning as a result, and is effectively protected electricity
Machine is not influenced by cooling medium (coolant liquid).
Matrix or center main part can be fabricated to casting, such as manufacture hard mold casting, die casting or other casting.Matrix can
It is made containing zinc, aluminium, copper, nickel, iron, titanium and/or other metal or by one or more in these metals.Matrix is alternative
Ground or the copper alloy addedly containing aluminium alloy, such as brass or copper zinc silicon alloy or other alloys, or by the alloy system
At.
Cover element may be designed as single type or multi-piece type.Preferably, cover element is designed as single type, because therefore can improve
It automates and processing cost can be made to minimize.
In some embodiments, the discontinuities of cover element can extend to its second end side from the first end side of cover element.The
One end may be designed as open, partially opening or closed, and the second end side is open.Cover element can be for example in
The shape of void column shape segmental arc, or the transitional region with rounding or with terminal side edge and connection edge between Transition edges
Hollow cylindrical segmental arc shape.Alternatively, cover element can be plane component, with rectangular shape or with rounded corners
The profile of rectangular shape, the profile are deformed into hollow posts when by being put on matrix and/or when cover element couples with matrix
Shape segmental arc, or with terminal side edge and connection edge between rounding transitional region hollow cylindrical segmental arc.
Cover element is preferably flexible and/or elastic.Cover element thus can simply surround matrix around putting and not
In the form of pipe section in inserting to matrix.
Metal of the cover element containing such as aluminium and/or other metals, or the alloy containing such as aluminium alloy, copper alloy
Or other alloys, or be made of the metal and alloy.Alternatively, cover element contains the modeling of such as polyvinyl chloride (PVC)
Material and/or other plastics, or be made of the plastics.
Cover element can be the plate made of metal, alloy or plastics, such as product made of plane rolling, the plate exist
Before cover element is coupled with matrix and/or connection back wall bends to hollow cylindrical segmental arc around longitudinal axis or carries in terminal side edge
The hollow circuit cylinder of the transitional region of rounding between connection edge.For example, plate can be plate from body structure or
Pipeline section crack on longitudinal direction and bending, this can be obtained at low cost.
Cover element, especially plate can be with the thickness in the range of 1mm to 5mm, particularly in the range of 2mm to 3mm
Thickness.
The mechanical attachment of Fluid Sealing can be the connection of material mating, such as soldering connection, electric welding connection or bonding company
It connects.Alternatively, the mechanical attachment of Fluid Sealing can also be realized by independent sealing element, especially by such as O-ring seal
Rubber seal realize.Also may make Fluid Sealing is mechanically coupled in the connection reality being connected as material in many regions
It is existing, and realized by independent sealing element in other region.
Electric welding connection can be the welding by being additionally welded to connect using what the welding method of welding material was formed
Method is, for example, (to be welded using the metal of inert gas) by MIG welding methods.But the electric welding connection can also be used other
Welding method is formed, such as beam weldering.If desired, electric welding connection can be further by following process.
In some embodiments, matrix, which can have, separates beam (Trennsteg), circumferential direction of the separation beam in matrix
On interrupted groove, the first connection edge and the second connection edge with separating beam Fluid Sealing machinery of wherein cover element join
It connects.Connection edge can be connected in based on better accessibility and simply to be separated on beam, is particularly welded on and is separated on beam.
Particularly, on the welding point that the length extension in circumferential direction for depending on the cover element of welding process can be by separating beam
Allowance compensation.
Preferably, separate the longitudinal axis extension that beam is parallel to matrix.Alternatively, separate Liang Yeke along with large pitch
Threaded line extend in the extended length of groove on the longitudinal direction of matrix.Helical pitch can be 1 or larger.
Integral type can be designed as with matrix by separating beam.For example, separating the separation beam that beam can be casting.Alternatively, divide
Independent separation beam is may be designed as every beam, the separation beam is inserted into groove and is connect with matrix in the range of groove.It is excellent
Selection of land separates beam and welds, is brazed or bonds with flushing with matrix in the range of groove.
If the lateral surface of matrix has the base shape different from cylindrical peripheral surface, separate beam may be arranged at as
In lower region, i.e., the bottom surface of the peripheral surface of the base shape of the lateral surface of the formation matrix of cylinder has minimum in the region
Bending.
Separating depth of beam can be for example equal to or less than the depth capacity of the depth of the groove in matrix, especially groove.
The connection edge of cover element can couple in the region near groove with separation beam respectively so that there are visible separation beams.It replaces
Dai Di, cover element can along the whole circumference of matrix surround matrix so that separate beam be in connection edge interconnecting piece below and
It is completely covered by cover element.
In some embodiments, separating beam can have the first port, the port to be passed into matrix in its outer surface
In groove.First port can be supply opening for being supplied to coolant liquid in groove or for by coolant liquid from groove
The outlet opening of discharge.First port can have circular diameter in the range of outer surface, and change in the region of groove
To be passed into the wide gap in groove.
In some embodiments, separating beam can have the second port, the port to be passed into groove in its outer surface,
Wherein the first port and the second port are passed on the opposite side for separating beam in groove.For example, the first port can be
For coolant liquid to be supplied to the supply opening in groove, and the second opening can be the row for coolant liquid to be discharged from groove
Go out opening.
Second port can also have round diameter in the region of outer surface, and change into and be passed into the region of groove
Wide gap in groove.
Because port is passed on the opposite side for separating beam in groove, separate beam in addition to being used for cover element
It is also used for detaching hot water and cold water except being easily connected on matrix.
Addedly or alternatively, matrix can have one or more other ports, the port that the outside of matrix is special
It is not connect with groove in the region of longitudinal side end of matrix.Cover element can also have port, and the port is from cover element
Outside be passed into groove.Port in matrix and/or cover element is may be configured as again for supplying and/or being discharged coolant liquid.
Each of port can be equipped with connector.Connector can be screwed in or is inserted into port, such as is wedged into port, and/or
It is welded on port.
Separating beam can also have one or more channels, the channel to extend between the side for separating beam, and allow cold
But liquid flows through separation beam in the circumferential direction of matrix.
In some embodiments, matrix can be with restriction groove boundary by putting edge for by putting cover element.By putting
Edge can be used for the preparation of the mechanical attachment between cover element and matrix.By by putting edge, simplify cover element and matrix it
Between connection, and improve the quality of the connection of Fluid Sealing.
As long as matrix, which has, separates beam, then can also extend along beam is separated by putting edge.By putting edge in the region for separating beam
The interior connection edge that can therefore support cover element so that connection edge can easily couple with separation beam.Cover element preferably has
There are following shape, i.e., the described shape to correspond to by putting the profile by putting edge on that side back to groove at edge.
It can be for example introduced in the lateral surface of matrix by putting edge.Depth by putting edge can be equal to or less than cover element
Thickness.Alternatively or additionally, it can be convexed to form on the outside by matrix by putting edge, the protrusion is with previously given
Spacing surround groove.The height of protrusion can be equal to or less than the thickness of cover element.If passed through by the outer of matrix by putting edge
The combination of recess and protrusion composition on side is constituted, then the sum of the depth being recessed and the height of protrusion are equal to or less than cover element
Thickness.
In some embodiments, the groove of matrix can have cooling structure.Cooling structure can for example with cooling ribs and/or
Cooling section.Cooling ribs and/or cooling section can circumferentially direction orientation or arrangement, or sinuous be arranged in groove.Cooling ribs
Height may be selected to be so that cover element is when by being placed on matrix with cooling ribs and/or cooling septa intersegmental distance or by being put into
On cooling ribs and/or cooling section.Cooling ribs and/or cooling section can also have different height.For example, cooling ribs and/or cooling
The height of section may be less than or equal to the depth of groove.
Cooling structure is used to improve cooling rate and improve the rigidity of matrix.Cooling structure improves in the direction of cooling medium
On effective cooling surface, and contribute substantially to improve counter-bending and tangential stress rigidity.Cooling structure also is responsible for cold
But the suitable guiding of medium.By coarse casting surface, the surface flow of turbulent flow can be promoted in addition and improve internal cooling dome
Heat between cooling medium is transmitted, and flow losses can be made to minimize by smooth cover element surface.
If setting separates beam, can be arranged in one or more regions on the side with separation beam adjoining of groove
Collecting zone, the collecting zone is without cooling ribs and/or cooling section so that transverse direction can occur on inflow side and/or outflow side
Flowing.Therefore, coolant liquid can be distributed on the entire development length on the longitudinal direction of matrix of groove, and in circumferential direction
On flow through groove.Then, coolant liquid can collect and by logical in the collecting zone on being adjacent to another side wall for separating beam
Mouth is flowed out from groove.Collecting zone is preferably arranged in the following region of groove, i.e., described region is in circumferential direction
Depth maximum or the minimum-depth at least more than groove in circumferential direction.Big collecting zone, the collection can be formed as a result,
Region realizes the Optimal Distribution that cooling medium is parallel to the longitudinal axis of matrix.
In some embodiments, groove can have supporting structure, the supporting structure be used as cover element by the portion of putting.Bearing
Structure can be for example with supporting rib and/or cartridge, and the height of the supporting rib and/or cartridge is selected as so that cover element
It is arranged to when by being placed on matrix on supporting rib and/or cartridge.The week of supporting rib and/or cartridge preferably along matrix
It orients to direction, but also can sinuously be arranged in groove.
Supporting structure is for improving the size retentivity of cover element after welding and avoiding due to cover element and cooling structure
Between infinite or alternate contact caused by acoustical anomalies.Cover member can be tensioned on supporting structure before a welding process
Part so that form the contact position of restriction between lateral weld seam in the region of cooling dome.By cover element in welding
Expansion and the then contraction in cooling stage can further improve tensioning.Cooling dome can be divided into and be respectively provided with by supporting structure
The circular cooling duct of cooling structure.
If desired, selected or all cooling ribs and/or cooling section also are used as supporting rib and/or cartridge, or
Supporting rib and/or cartridge also are used as cooling ribs and/or cooling section.
Cooling shell can have multiple grooves, the groove mutually to be interrupted by the separation beam of respective numbers.Groove can quilt
Unique cover element component fluidic hermetically covers.Alternatively, each groove or groove group can be close by each cover element component fluidic
Feud covers.Separating beam can be formed as described above.If the lateral surface of matrix has the base different from cylindrical peripheral surface
Plinth shape then separates beam and may be arranged in following region, i.e., the basic shape of the composition matrix lateral surface of cylinder in the region
The bottom surface of the peripheral surface of shape has minimum bending.
Cooling shell can have bearing convering system, the bearing convering system to may include bearing cap and bearing cap covering in addition
Part.For example, bearing convering system can be connect in end side with matrix.
The present invention additionally relates to a kind of heat exchanger, especially multi-pipe heat exchanger or pipe heat exchanger, the design of heat exchanger
For the above-mentioned cooling shell for motor.
The present invention additionally relates to a kind of motor, and the motor carries stator, rotor and cooling shell according to the present invention,
In middle cooling shell shrink fit to stator.In addition, the present invention relates to a kind of drives with the such motor coupled with speed changer
Dynamic system, and it is related to a kind of automobile with this kind of motor.
The present invention additionally relates to a kind of manufacturing method of the cooling shell for motor, cooling shell especially as described above
The manufacturing method of body.
According to the method, the matrix for accommodating motor, such as stator carrier are prepared first, described matrix is in its appearance
There is the groove to extend in the circumferential direction of matrix on face.Matrix can be set as described in hereinbefore with reference to cooling shell
Meter.In order to prepare matrix, casting method, such as diecasting method, pressure casting method or other casting method can be used.It substitutes
Ground, matrix can also be prepared from blank by machining.It only includes providing the stator carrier being previously formed to prepare also.
In addition, prepare the cover element of bending, such as cover plate, the cover element is elastic in particular.The cover element of bending
The second end side and discontinuities with the first end side, by the cover surface of cover element with the first end side spacing distance, the interruption
Portion extends along the connecting line moved towards on cover surface between the first end side and the second end side of cover element, and connects by first
Edge fit edge and the second connection edge that edge opposite is connect with first determine.That as described in above with reference to cooling shell of cover element
Sample designs.In order to prepare cover element, for example the plate made of metal or plastics can be cut and formed, and when necessary by the plate
It is bent into the cover element similar to hollow cylindrical.
Then, cover element is arranged on matrix so that cover element covers groove.For this purpose, the plate of cutting can surround matrix
Bending, or will be similar to that the cover element expansion of hollow cylindrical segmental arc and surround matrix.If matrix has by putting edge, member is covered
Part is preferably positioned as so that terminal side edge and if matrix also have separate beam if but also connection edge and as need
So that Transition edges are by being placed on by putting on edge.
In addition, covering the groove in matrix in cover element and by during being placed on matrix, the first of cover element connects edge
It is hermetically mechanically coupled between each other and/or with base fluid with the second connection edge.In addition, the terminal side edge of cover element and must
Transition edges also can be hermetically mechanically coupled with base fluid when wanting.
In some embodiments, cover element can hermetically couple with base fluid, this is by making cover element and matrix material
Material engagement ground connects to realize, such as welding, soldering or bonding.Preferably, welding method, the welding method can be used herein
Use additional welding material, such as MIG welding methods (being welded using the metal of inert gas).Utilize additional welding material
Even if welding method good making up property of gap is also achieved under unfavorable tolerance by introducing welding material, and therefore
Also achieve the improved sealing effect of the welding method without additional welding material relative to such as beam soldering method.It welded
Journey preferably carries out on the blank of casting so that since the distortion that heat introduces and occurs can then pass through final machining
Compensation.
Alternatively, cover element is connect also by independent sealing device with matrix, such as rubber seal, such as one or more
A O-ring seals.
If there is matrix independent separation beam, the method may include preparative separation piece in addition and will separate Liang Yuji
Body connects in the region of groove.Independent separation beam can for example cast and/or be manufactured by machining.Separating beam can be with base
Body is for example welded, is brazed or bonds.
According to the method, particularly it can separate in beam in matrix and/or form one or more in addition in cover element
For a port for supplying and/or being discharged coolant liquid, the port is equipped with pipe fitting when necessary.
Preferably, also couple the leakproofness for testing the groove covered with cover element later with matrix in cover element.If table
The bright blow-by existed along sealing station is then for example modified sealing station by welding.By positioned at external weldering
Seam, simply can detect and modify occurred abort situation, such as by by weld seam local liquefaction, by hole to be formed
Fusant closing.For this purpose, arbitrary welding method can be used, it is preferred to use WIG welding methods (Wolfram Inert Gas welding side
Method).
According to the method, the shell preferably shrink fit after cover element hermetically couples with base fluid is cooled down
Onto the stator of motor.In addition, bearing convering system can be fixed on matrix, to protect rotor in end side.Bearing convering system can
It is threaded on matrix.
Description of the drawings
The embodiment of the present invention by example and is described with reference to the drawings now, and each figure is：
Fig. 1 shows that the decomposition diagram of the driver with motor, the motor have cooling shell according to the present invention；
Fig. 2 shows the schematic illustrations of the first embodiment of cooling shell according to the present invention；
Fig. 3 shows the schematic illustration of the matrix of the cooling shell of first embodiment according to the present invention；
Fig. 4 shows the schematic illustration of the cover plate of the cooling shell of first embodiment according to the present invention；
Fig. 5 shows the schematic illustration of the matrix of first embodiment, wherein the plate for separating beam is illustrated as vertical view；
Fig. 6 shows the schematic illustration of the matrix of first embodiment, wherein the plate for separating beam is illustrated as side view；
Fig. 7 shows the manufacturing method of the cooling shell of first embodiment according to the present invention；
Fig. 8 shows that cross section according to the second embodiment of the present invention illustrates；With
Fig. 9 shows the part of the amplification of the diagram of the cross section in Fig. 8.
Specific implementation mode
Fig. 1 shows the decomposition diagram of the electric drive 1 for automobile.Driver 1 has motor 10, the axis with casting
It holds the cooling shell 11 of lid (not shown) and screws the bearing cap 12 of installation.
Motor 10 includes stator 100 and rotor 13, and the rotor 13 is supported on the bearing cap of casting and and screws installation
In bearing cap 12.Cooling shell 11 has the stator carrier 2 and cover plate 3 of casting.The stator 100 of motor 10 is in the illustration of FIG. 1
It is partially introduced into cooling shell 11, and is completely cooled the receiving of shell 11 in assembled state.Bearing cap in spiral
12 are designed as baffle-like, and for rotor 13 to be supported in stator 100 together with the bearing cap of casting.When rotor 13 is pushed into
In to stator 100 and when motor 10 is received in cooling shell 11, bearing cap 12 covers the first end side of cooling shell 11, and
It is threadedly coupled with cooling shell 11, with fixed stator 100 and laterally protects motor 10 not affected by environment.
The first embodiment of cooling shell 11 and rotor carrier 2 and cover plate 3 is described in detail referring now to Fig. 2 to Fig. 6.
Stator carrier 2 is analogous to the body part of hollow cylindrical, with inner surface 20, outside mask surface 21, opening first
End side 22 and the second partially enclosed end side 23, wherein the second end side 23 is partly closed by the bearing cap of casting.Inner surface
20 determine the cylindrical hollow space for receiving motor 10, the size of the hollow space and the stator 10 of motor 10
Development length matches.
On cover surface 21, stator carrier 2 has groove 24 and separates beam 25.Groove 24 is relative to the first end side 22 and
The liftoff positioning of two end sides, 23 interval distance, and the side of the longitudinal axis in cooling shell 11 upwardly extends the length of about stator carrier 2
The 3/4 of degree.Groove 24 extends on the circumferential direction U of cooling shell 11 in addition, and by separation beam 25 on circumferential direction U
It is disconnected.Separate beam 25 and be parallel to the longitudinal axis L extension of cooling shell 11, and defines with outer surface 250 and by region recessed
First side 251 and the second side 252 on 24 boundary of slot.In addition, cover surface 21 and the first end side 22 and the second end side 23 abut
Ground has multiple bolt boss 26 and other different connecting elements outstanding for fixing bearing lid 12 or speed changer, institute
Connecting element is stated to stretch out from cover surface 21.
Separating beam 25, there is the first port 253 and the second port 254, pipe fitting 4 to be introduced into described in its outer surface 250
In port.First port 253 is passed on the first side 251 for separating beam 25 in groove 24, and the second port 254 is separating
It is passed into groove 24 on second side 252 of beam 25.Port 253,254 has circular straight in the region of outer surface 250
Diameter, and broadening is wide gap 2530 in the region of each side 251,252 for separating beam 25, as shown in Figure 6.It is logical by first
Mouth 253 carries out cooling waters to the supply in groove 24, and passes through the second port 254 and carry out discharge of the cooling water from groove 24.It is cold
But the supply of water is marked by arrow Z in fig. 5 and fig., and the discharge of cooling water is marked by arrow A.Separate beam 25 therefore
Be responsible for cooling water supply and discharge be spatially separating and cooling water on circumferential direction U directionally by the stream of groove 24
Dynamic S.
There is groove 24 cooling structure, the cooling structure to extend with multiple circumferential direction U along cooling shell 2 logical
Cross the cooling ribs 240 of groove 24.With separate beam 25 the first side 251 adjacently, the groove 24 have be used for fresh cold water
Collecting zone 241 so that cold water can be distributed in the entire extended length of groove 24 in the longitudinal directionl.With separation beam 25
The second side 252 adjacently, the groove 24 has the collecting zone 242 of cooling water for being heated so that collects
The cooling water flowed along cooling ribs with discharge.By making the supply of cooling water and being discharged as far as possible symmetrically in cooling shell
It is distributed in 11 length, realizes and flow evenly through cooling shell 11, because the pressure loss or length that individually flow are each other
Compensation.
Groove 24 is introduced in being surrounded by putting edge 27 in cover surface 20.By putting edge 27 along the first of separation beam 25
Side 251 extends, and extends on the first boundary 243 of circumferential direction U trends along groove 24, along the second side for separating beam 25
Portion 252 extends, and extends along the second boundary 244 in circumferential direction U trends of groove 24.
Cover plate 3 is the plate made of aluminium alloy for the hollow circuit cylinder segmental arc for being bent into the transitional region with rounding.Cover member
Part 3 has inner surface 30, outer surface 31, the first end side 32 and the second end side 33.Inner surface 30 and outer surface 31 have discontinuities
34, the discontinuities 34 connect edge 341 by the first connection edge 340 and second and determine.In the region of the first end side 32
Cover element 3 has the first terminal side edge 320, and cover element 3 has the second terminal side edge 330 in the region of the second end side 33.
The transitional region of rounding is determined by the Transition edges between terminal side edge 320,330 and connection edge 340,341.
Cover plate 3 and stator carrier 2 are welded along circular weld seam 28 shown in fig. 2.Cover plate 3 with its edge 320,
330,340,341 by being placed on by putting on edge 27, and groove 24 is completely covered.Cover plate 3 is flowed along its all edge and stator carrier 2
Body hermetically welds, and is outwardly closed off cooling dome.
The manufacturing method 5 of cooling shell 11 according to first embodiment is described hereinafter with reference to Fig. 7.
Stator carrier 2 as described above is prepared in step 50.For this purpose, preparing the shape with above-described stator carrier
The blank for the non-cutting processing of formula manufactured by diecasting method.
Cover plate 3 as described above is prepared in step 51.For this purpose, plate to be cut into the rectangle in the corner with rounding, make
The length score for obtaining connection edge 340,341 then grows two of the width by putting edge 27 every the side of beam 25 250,251
Times, and the length of subsequent terminal side edge 320,330 is made to grow the width by putting edge 27 than the boundary 243,244 of groove 24
Twice.Then, it is the cover plate similar to hollow circuit cylinder segmental arc by plate benging.
Cover plate 3 is placed on stator carrier 2 in 52 so that cover plate 3 covers groove 24.For this purpose, flexibly by cover plate 3
It struts, and therefore surrounds stator carrier 2 and place so that the first terminal side edge 320 is in the region on the first boundary 243 of groove 24
By being placed on by putting on edge 27, the second terminal side edge 330 is in the region of the second boundary 244 of groove 24 by being placed on by putting edge
On 27, first connects edge 340 in the region of the first side 251 for separating beam 25 by being placed on by putting on edge 27, and second
Edge 341 is connected in the region of the second side 252 for separating beam 25 by being placed on by putting on edge 27.
Cover plate 3 is welded with stator carrier 2 by MIG welding method Fluid Sealings in 53, and cover plate 3 is covered and is determined
Groove 24 in subcarrier 2 and by being placed on thereon.For this purpose, circular weld seam 28 is generated in the region by putting edge 27, it is described
The edge 320,330,340, each of 341 of cover plate 3 is connect by weld seam with 2 Fluid Sealing of stator carrier.
The leakproofness of weld seam 28 is tested in 54.For this purpose, will for example air be introduced into cover by the first pass through openings 253
In 3 closed groove 24 of plate, and the second port 254 is closed.It detects whether that pressure can be maintained within the period of restriction.
If pressure reduction does not occur, can be further processed on cooling shell 11, such as shrink fit to stator 100.
Otherwise, it determines the position of the blow-by in weld seam 28, and modified by WIG welding methods and seal the position.
Fig. 8 and Fig. 9 shows the second embodiment of cooling shell 11 '.Cooling shell 11 ' has stator carrier 2 ' and cover plate
3。
Stator carrier 2 ' is similar to body part of 2 ground of stator carrier with hollow cylindrical of first embodiment, and the body part exists
There is groove 24 on its outside 21 and separate beam (being not shown in figures 7 and 8).Groove 24 is surrounded by putting edge 27.
Different from the stator carrier 2 of first embodiment, there is the groove 24 of the stator carrier 2 ' of second embodiment bearing to tie
Structure, there are two the forms of the supporting rib 244 moved towards on the circumferential direction U of cooling shell 11 ' for the supporting structure tool.Supporting rib
Groove 24 and is divided into three by 244 height generally relative to the depth of groove 24 on the direction of the longitudinal axis L of cooling shell
A symmetrically circular cooling duct, the cooling duct is respectively provided with six cooling ribs extended on circumferential direction U 240.
Supporting rib 244 forms the contact position with the restriction of cover plate 3, and avoids the contact between cooling ribs 240, and therefore avoids
The adverse effect of undesirable acoustics or flow technique.
In addition, stator carrier 2 ' has around the protrusion 29 by putting edge 27.Protrusion 29 is designed as forming cover plate with cover plate 3
Additional welding material can be put into the slot by the slot of the wedge shape between 3 and stator carrier 2 ' in welding, to improve weldering
The quality and improvement leakproofness of seam.
Cover plate 3 designs like that with reference to first embodiment.Cover plate 3 is circumferentially welded with stator carrier 2 ' again, close with fluid
Feud covers groove 24.
As summary, the cooling shell according to the present invention for motor simply and can be manufactured inexpensively, and very firm
Gu.Cooling shell can be fabricated to without the molten casting for losing core, as as needed for manufacture " casting cooling water cover ", and can be manufactured
For single casting.Compared with " the cooling water cover of establishment ", there is no the sealing stations on the direction of motor.Therefore it improves
Stability, and reduce Factual Damage in the case of the possible failure of sealing station.The installation of cover plate can automate, and with
MIG welding processes execute in bulk.
List of numerals
1 driver
10 motors
11 11 ' cooling shell
12 bearing caps
13 rotors
22 ' stator carrier
20 inner surfaces
21 outside mask surfaces
22 first end sides
23 second end sides
24 grooves
240 cooling ribs
241 are used for the collecting zone of fresh cooling water
The collecting zone of 242 cooling water for being heated
243 first boundaries
244 the second boundaries
245 supporting ribs
25 separate beam
250 outer surfaces
251 first sides
252 second sides
253 first ports
2530 wide gaps
254 second ports
26 bolt boss
27 by putting edge
28 weld seams
29 circular protrusions
3 cover plates
30 inner surfaces
31 outer surfaces
32 first end sides
320 first terminal side edges
33 second end sides
330 second terminal side edges
34 discontinuities
340 first connection edges
341 second connection edges
4 pipe fittings
5 manufacturing methods
50 prepare stator carrier
51 prepare cover plate
52 by cover plate by being put on stator carrier
53 are welded on cover plate on stator carrier
54 detection leakproofness
L longitudinal axis
U circumferential directions
Z cooling water supplies
A cooling waters are discharged
The flowing of S cooling waters
Claims (10)
1. a kind of cooling shell for motor, the cooling shell include：
Matrix (2) for accommodating motor (10), wherein matrix (2) have the circumferential direction in matrix (2) on its outer surface (21)
The groove (24) just upwardly extended；With
The cover element (3) of bending, the cover element (3) and matrix (2) are mechanically coupled, wherein the cover element (3) being bent has the
One end (32), by the cover surface (31) of cover element (3) and second end side (33) of the first end side (32) spacing distance and in
Disconnected portion (34), the discontinuities (34) are along the connecting line extended on cover surface (31) in the first end side of cover element (3)
(32) extend between the second end side (33), and by the first connection edge (340) and with first to connect edge (340) opposite
Second connection edge (341) determine,
The first connection edge (340) and the second connection edge (341) of wherein cover element (3) it is mutual and/or with matrix (2)
Fluid Sealing it is mechanically coupled, and cover element (3) covers the groove (24) in matrix (2) and is tightly attached on matrix (2).
2. cooling shell according to claim 1, wherein cover element (3) have first end side on the first end side (32)
Edge (320) and on the second end side (33) have the second terminal side edge (330), wherein the first terminal side edge (320) and second end
Lateral edges (330) are mechanically coupled with matrix (2) Fluid Sealing.
3. cooling shell according to claim 1 or 2, the wherein discontinuities (34) of cover element (3) from cover element (3)
One end (32) extends to the second end side (33) of cover element (3).
4. cooling shell according to any one of the preceding claims, wherein matrix (2), which have, separates beam (25), described point
Groove (24) are interrupted in the circumferential direction of matrix (2) every beam (25), wherein the first connection edge (340) and the second connection side
Edge (341) couples with separation beam (25) Fluid Sealing.
5. cooling shell according to claim 4, wherein separate beam (25) has the first port outside it in (250)
(253), first port (253) is passed into the groove (24) of matrix (2).
6. cooling shell according to claim 5, wherein separate beam (25) has the second port outside it in (250)
(254), second port (254) is passed into groove (24), wherein the first port (253) and the second port (254) are dividing
It is interior every being passed into groove (24) on the opposite side (251,252) of beam (25).
7. cooling shell according to any one of the preceding claims, wherein matrix (2), which have, limits groove (24) boundary
For by put cover element (3) by putting edge (27) in preparation for the mechanical attachment between cover element (3) and matrix (2),
Wherein by putting edge (27) particularly
It is introduced into the outside (21) of matrix (2)；Or
It is made up of the protrusion (29) on the outside (21) of matrix (2), the protrusion (29) is with previously given spacer ring around recessed
Slot (24).
8. the groove (24) of cooling shell according to any one of the preceding claims, wherein matrix (2) has：
Cooling structure, especially cooling ribs (240)；And/or
The supporting structure (244) by the portion of putting as cover element.
9. manufacturing method of the one kind for the cooling shell (11) of motor (10), in particular according to any one of preceding claims
The manufacturing method of the cooling shell (11), the manufacturing method include：
The matrix (2) that (50) are used to accommodate motor (10) is prepared, wherein matrix (2) has in its outer surface (21) in matrix
(2) groove (24) to extend in circumferential direction；
The cover element (3) of (51) bending is prepared, the cover element carries the first end side (32), passes through the cover surface of cover element (3)
(31) with second end side (33) of the first end side (32) spacing distance and discontinuities (34), the discontinuities (34) are along in cover table
The connecting line extended on face (31) extends between the first end side (32) and the second end side (33) of cover element, and connects by first
Edge fit edge (340) and with first connect edge (340) it is opposite second connection edge (341) determine；
By cover element (3) by putting (52) to matrix (2) so that cover element (3) covers groove (24)；With
First connection edge (340) of cover element (3) and the second connection edge (341) are flowed between each other and/or with matrix (2)
Body is hermetically mechanically coupled (53), and by the groove (24) in cover element (3) covering matrix (2) and by being placed on matrix (2).
10. according to the method described in claim 9, wherein the first connection edge (340) of cover element (3) and the second connection edge
(341) between each other or welded with matrix (2) Fluid Sealing, wherein particularly use additional welding material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015221115.0A DE102015221115A1 (en) | 2015-10-28 | 2015-10-28 | Cooling housing for an electrical machine and manufacturing method for such |
| DE102015221115.0 | 2015-10-28 | ||
| PCT/EP2016/074701 WO2017071970A1 (en) | 2015-10-28 | 2016-10-14 | Cooling housing for an electric machine and production method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108292878A true CN108292878A (en) | 2018-07-17 |
| CN108292878B CN108292878B (en) | 2020-09-08 |
Family
ID=57133218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680069374.6A Active CN108292878B (en) | 2015-10-28 | 2016-10-14 | Cooling housing for an electric machine and method for producing the same |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3369159A1 (en) |
| KR (1) | KR20180073583A (en) |
| CN (1) | CN108292878B (en) |
| DE (1) | DE102015221115A1 (en) |
| WO (1) | WO2017071970A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038952A (en) * | 2018-07-28 | 2018-12-18 | 襄阳世阳电机有限公司 | Water-cooled machine is used in weaving |
| CN111431323A (en) * | 2018-12-17 | 2020-07-17 | 法雷奥西门子新能源汽车(德国)有限公司 | Stator housing and electric machine for a vehicle |
| CN111745902A (en) * | 2019-03-28 | 2020-10-09 | 住友重机械工业株式会社 | Actuator for mounting on injection molding machine, actuator cooling device, injection molding machine, and method for using actuator cooling device |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3072224B1 (en) * | 2017-10-09 | 2019-10-04 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | ELECTRIC MACHINE AND METHOD OF MANUFACTURE |
| GB2569132B (en) * | 2017-12-06 | 2020-08-19 | Jaguar Land Rover Ltd | Tubular coolant sleeve |
| DE102018212654A1 (en) * | 2018-07-30 | 2020-01-30 | Zf Friedrichshafen Ag | Cooling an electrical machine |
| KR102582741B1 (en) * | 2018-11-28 | 2023-09-26 | 현대자동차주식회사 | Reducer cooling system and controlling method thereof |
| DE102018222494A1 (en) * | 2018-12-20 | 2020-06-25 | Robert Bosch Gmbh | Method and device for dispensing sealant and housing for an electrical machine |
| US10869050B2 (en) | 2019-02-09 | 2020-12-15 | Tencent America LLC | Method and apparatus for video coding |
| TWI747318B (en) * | 2020-06-10 | 2021-11-21 | 威剛科技股份有限公司 | Method for manufacturing heat conduction device, heat conduction device manufactured by method for manufacturing heat conduction device, method for manufacturing motor, motor manufactured by method for manufacturing motor |
| DE102020125939A1 (en) | 2020-10-05 | 2022-04-07 | Audi Aktiengesellschaft | Cooling device, cover for a cooling device, method for manufacturing a cooling device and a device |
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- 2016-10-14 WO PCT/EP2016/074701 patent/WO2017071970A1/en active Application Filing
- 2016-10-14 EP EP16781464.9A patent/EP3369159A1/en not_active Withdrawn
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| CN102341998A (en) * | 2009-03-06 | 2012-02-01 | 罗伯特·博世有限公司 | Electric motor comprising cooling channels |
| DE102010042259A1 (en) * | 2010-10-11 | 2012-04-12 | Robert Bosch Gmbh | Electric machine e.g. motor, for use in drive device i.e. hybrid drive device, for driving motor car, has outer housing that is designed as metal plate, where thickness of outer housing is less than specific value |
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| CN111431323A (en) * | 2018-12-17 | 2020-07-17 | 法雷奥西门子新能源汽车(德国)有限公司 | Stator housing and electric machine for a vehicle |
| CN111745902A (en) * | 2019-03-28 | 2020-10-09 | 住友重机械工业株式会社 | Actuator for mounting on injection molding machine, actuator cooling device, injection molding machine, and method for using actuator cooling device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180073583A (en) | 2018-07-02 |
| CN108292878B (en) | 2020-09-08 |
| DE102015221115A1 (en) | 2017-05-04 |
| EP3369159A1 (en) | 2018-09-05 |
| WO2017071970A1 (en) | 2017-05-04 |
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