CN105960749B - Pump equipped with motor - Google Patents
Pump equipped with motor Download PDFInfo
- Publication number
- CN105960749B CN105960749B CN201180055754.1A CN201180055754A CN105960749B CN 105960749 B CN105960749 B CN 105960749B CN 201180055754 A CN201180055754 A CN 201180055754A CN 105960749 B CN105960749 B CN 105960749B
- Authority
- CN
- China
- Prior art keywords
- motor
- pump
- sealing shroud
- sealing
- stator
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 149
- 230000005611 electricity Effects 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 238000003475 lamination Methods 0.000 claims abstract description 5
- 239000000446 fuel Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 6
- 238000004512 die casting Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- 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
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- 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
- F04C2/102—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 the two members rotating simultaneously around their respective axes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Abstract
The present invention relates to the pump for trandfer fluid for being equipped with motor, for the pump particularly for motor vehicle, which includes: the active wheel with transfer unit, can be rotated around rotation axis by it；One operating room beside the active wheel；One motor with a stator (13) and a rotor, wherein the stator (13) includes one outstanding stack of laminations (33) of a soft magnetic core (32), as the winding (14) of electromagnet (15) and the contact (34) of electricity；One shell, wherein the active wheel with the transfer unit and the motor are arranged in the shell, and the preferably described pump is combined in the motor or the motor is combined in the pump on the contrary, its mode is that the rotor is made of the active wheel, wherein, the contact (34) of the electricity is by plug frame (55) encirclement as sealing shroud (31), the plug frame (55) as described at least one sealing element (53) relatively described housing seal on the plug frame (55).
Description
Technical field
The present invention relates to the pumps for being equipped with motor, for manufacturing the method and high-pressure injection system that are equipped with the pump of motor.
Background technique
Pump equipped with motor is used to trandfer fluid for different technologies application field.Such as petrolift is used for internal combustion
Machine conveys fuel.The motor of the pump includes the rotor that a stator and one have permanent magnet.Motor in the case
And pump is arranged on an enclosure interior.Therefore a space, one outstanding operating room, stream to be conveyed are formed inside housings
Body is located therein.May there are some substances, such as salt water in the outside of shell, should prevent them from invading inside dynamic pump case, because
These substances for example can cause stator to damage by corrosion.And solid matter, such as dust dirt or little particle are when its intrusion
It is dynamic motor is caused again by the interior space Shi Jike of housings close to cause the damage pumped.It just needs to be equipped with for this reason electronic
The pump of machine persistently seals in liquid-tight manner, so as on the one hand prevent fluid to be conveyed, such as fuel to hull outside outflow and it is another
Aspect prevents harmful substance or medium from invading the interior space by housings close equipped with pump and motor.
299 13 367 U1 of DE gives an internal gear pump, have a hollow wheel gear with internal tooth and one with
The active wheel with external tooth that it is engaged, the latter is provided with or without crescent moon empty slot, and has an electric driver, the electric drive
Device is constituted in this wise: hollow wheel gear is disposed in the internal rotor an of brushless motor and is disposed adjacently with the rotor
One stator, wherein the rotor comprising hollow wheel gear is rotatably supported by a bearing or a sliding bearing on the outside, and
The wherein stator relative rotor and opposite inside pumped is isolated and is sealed in this wise, i.e., bearing between stator and rotor or
Sliding bearing is impenetrable liquid and respectively connect with an end cap seal on its two end faces.
Summary of the invention
For pump for trandfer fluid according to the present invention equipped with motor particularly for motor vehicle, which includes: one
Active wheel with transfer unit can carry out a rotary motion around a rotation axis by it, and one beside active wheel
Operating room, a motor with a stator and a rotor, wherein stator includes one outstanding stack of laminations of a soft magnetic core, makees
For the winding of electromagnet and the contact of electricity, a shell, wherein having the active wheel of transfer unit and motor to be arranged on
In shell and preferred pump is combined and combines in the motor or on the contrary, and mode is that rotor is made of active wheel, wherein electricity
Contact is surrounded by a plug frame as sealing shroud and by least one sealing element on the plug frame with respect to shell
Ground sealing plug frame.
Therefore the plug frame for being equipped with the contact of electricity simply can be sealed independently with remaining sealing of shell.In this feelings
Electric contact part preferably at plug frame is partly surrounded by plug frame or sealing shroud under condition, with the end for the contact sent a telegraph
Can be stretched out by plug frame and and constitute one for electricity contact electrical contact electrical interface or plug.
As the supplement to plug frame in an additional configuration, stator at least partly, is especially fully sealed
Set surrounds and/or sealing shroud is configured an encapsulation or hot pressing shrinkage part and/or sealing shroud and stator material is locked
Close ground connection.Sealing shroud, especially plug frame are shunk in the case where encapsulation by pressure injection-moulded or such as conduct
Hose or contraction molded part are applied on stator by hot pressing shrinkage.
Plug frame is especially configured plastic pressure injection encapsulated part.
Stator is surrounded by sealing shroud or packaging part and thus at least one component part such as soft magnetic core of stator, i.e. stator
And/or the contact of winding and/or electricity surrounded by sealing shroud and thus at least one component part of stator with respect to surrounding stator
Liquid sealed in liquid-tight manner.Therefore liquid to be conveyed, such as fuel is made not to invade stator and furthermore exist in an advantageous manner
The harmful medium of stator side or substance, such as salt water will not invade the component of stator, because its at least one component is by sealing shroud
It surrounds and is thus sealed in liquid-tight manner.
Pump equipped with motor especially also serves as the preposition delivery pump on the high-pressure injection system of internal combustion engine.This is electronic thus
Preposition delivery pump is arranged on a high-pressure pump and the high-pressure pump is fixed on internal combustion engine again in the case.Due to electronic
Preposition delivery pump is fixed on the electronic preposition delivery pump on internal combustion engine as the pump for being equipped with motor indirectly and is subjected to high machinery
Load, the load and thermic load for being particularly based on vibration.This will lead to the relative motion between each component of stator.Based on encirclement stator
Encapsulating or encapsulation or sealing shroud, these components of stator be mechanically fastened so that the relative motion between each component of stator
It can be substantially excluded and therefore can reduce resulting stator wear, this just makes the service life of the pump equipped with motor aobvious
Land growth.
One supplement scheme in sealing shroud at least partly, especially fully by by the especially thermoplastic plastics of plastics
Composition and/or plug frame are arranged in empty slot or the opening of one shell, outstanding shell tank.Therefore plug frame and shell shape
Shape is connected cohesively together and plug frame may be supported on shell in the high acceleration of high mechanical load or pump, so that thus sealing
Do not occur the not only reliable but also safe sealing that deforms and can guarantee plug frame with respect to shell on part substantially.
The functionality that there is sealing shroud at least one to be used to receive a sealing element in the form of implementation that one is supplemented is several
What configuration, such as slot or empty slot, and preferably the slot and/or empty slot than winding relative rotation axis have bigger distance and/or
The sealing element is combined in sealing shroud.In the case where sealing element, such as sealing ring combination, which is not to be placed on function
It is not connected cohesively together in energy property geometric configuration and with sealing shroud shape, but is connected cohesively together with sealing cover material, such as close
Sealing is by sealing shroud injection encapsulated or is bonded on sealing shroud.
Shell is sealed fully by a sealing element, one outstanding sealing ring on sealing shroud in another configuration
Or the sealing element on sealing shroud is only formed on plug frame and is equipped between shell tank and a case lid another sealing element.
In the case where shell is fully sealed at least one sealing element, the sealing element is preferably configured a sealing ring, so that the sealing
Shell can be fully sealed in circle.Sealing ring there are two can oppositely being set in the case on sealing shroud.When sealing element is arranged one
The two of shell in a region or in the case where being provided only on sealing shroud on plug frame (component part as sealing shroud)
An additional sealing element is needed between part, so as to remaining region of seal casinghousing.
Permanent magnet is combined in active wheel in the form of implementation that one is supplemented, so that rotor is made of active wheel.
Transfer unit is the tooth of a blade or a gear in another configuration.
Pump is a gear pump in the scheme that one is supplemented, one outstanding internal gear pump.
In an additional configuration soft magnetic core and/or winding as electromagnet at least partly, especially fully by
Sealing shroud surrounds and the contact of electricity is partly by the sealing shroud encirclement as plug frame, so that a part of contact is set
Other than the sealing shroud as plug frame.
The contact of the stator in the form of implementation that one is supplemented, especially soft magnetic core, winding and partial electricity is by sealing shroud
It closes in liquid-tight manner.
It is according to the present invention for manufacture pump, especially in the present patent application it is described be used for trandfer fluid equipped with electronic
The method of the pump of machine, with the following steps: providing the active wheel with transfer unit；One shell is provided；There is provided one
The motor for transfer tube with a stator and a rotor；Wherein the active wheel with transfer unit and motor are set
In shell；In shell by with transfer unit active wheel and motor unit dress up the pump equipped with motor；It is wherein electric
Contact is surrounded by a plug frame as sealing shroud and by a sealing element on plug frame with respect to shell ground sealing plug
Frame.
As the supplement to plug frame in an additional form of implementation, stator at least partly, especially fully by
Sealing shroud surrounds and/or stator is surrounded by pressure injection-moulded or hot pressing shrinkage by sealing shroud.
Best sealing shroud by the especially thermoplastic plastics manufacture of plastics and/or stator by sealing shroud in liquid-tight manner, especially completely
Ground surrounds.
At least one sealing element, one outstanding sealing ring are equipped on sealing shroud in another configuration and by sealing shroud
At least one sealing element make shell fully and also seal on plug frame or sealing shroud on sealing element be only provided it is slotting
The rest part that another sealing element carrys out seal casinghousing is equipped on head frame and between shell tank and case lid.Therefore by another close
The empty slot or the housing parts other than opening of the salable shell of sealing.
One supplement configuration in the winding of soft magnetic core and the electromagnet as stator fully by sealing shroud surround and
The contact of electricity is partly surrounded by sealing shroud.
It according to the present invention for the high-pressure injection system of internal combustion engine particularly for motor vehicle, and include: a high-pressure pump, one
A high voltage rail, one is used to for fuel being conveyed to the electronic preposition delivery pump of high-pressure pump by a fuel tank, wherein electronic preposition
Delivery pump is configured the pump according to present patent application.
Active wheel constitutes rotor and/or is arranged or combines permanent magnetic on active wheel or in active wheel in another configuration
This is to say iron especially is pumped to be combined and be combined in the motor or on the contrary.
Pump is combined and combines in the motor or on the contrary in another form of implementation, especially pump and motor be one not
Alienable structural unit.
It is made of in another configuration rotor section sheet metal.These best sheet metals are surrounded by insulating layer.It surrounds thin
The structure of the rest part of the insulating layer of steel plate and the rotor being made of sheet metal has its task: being in the rotor not in whirlpool
Only there is very small vortex in stream.
Rotor at least partly, is especially fully made of sintered steel in another configuration.
In accordance with destination, at least one sealing element is flexible, such as is formed as elastomer, and/or by plastics.
The pump equipped with motor includes the entrance and one outlet for fluid in another arrangement, they lead to work
Make in room.
The pump is an external gear pump or a centrifugal pump or a leaf pump in another configuration.
In accordance with destination should be equipped with the pump of motor especially combined preferably include for control it is that electromagnet is powered, one
The preferably control unit of electronics.
Pump is fluid turbine in an additional configuration.
The shell and/or internal gear and/or external gear of shell and/or high-pressure pump in accordance with the preposition delivery pump in destination are at least
Partly, it is especially fully made of metal, such as is made of steel or aluminium.
The transmission power of the electronic preposition delivery pump is especially controllable and/or adjustable.
Detailed description of the invention
Hereinafter reference will be made to the drawings carrys out detailed description of the present invention embodiment.Attached drawing indicates:
The schematic diagram of the extremely summary of Fig. 1: one high-pressure injection system,
The perspective view of Fig. 2: one preposition delivery pump and a stator without sealing shroud without shell,
The disintegration figure of the preposition delivery pump with shell in Fig. 3: one first embodiment,
Fig. 4: a sectional view of the stator with sealing shroud in first embodiment,
The disintegration figure of the preposition delivery pump with shell in Fig. 5: one second embodiment,
Fig. 6: the first perspective view of the stator with sealing shroud in second embodiment,
Fig. 7: the second perspective view of the stator with sealing shroud in second embodiment,
Fig. 8: a perspective view of the stator with sealing shroud in 3rd embodiment, and
The view of Fig. 9: one motor vehicle.
Specific implementation form
A pump installation 1 of a high-pressure injection system 2 is indicated in Fig. 1.One electronic preposition delivery pump 3 is fired by one
Hopper 41 conveys fuel by fuel conductor 35.Then fuel is transported to a high-pressure pump 7 by electronic preposition delivery pump 3.It is high
Press pump 7 is driven by an internal combustion engine 39 by drive shaft 44.
Electronic preposition delivery pump 3 has a motor 4 and 5 (Fig. 2 and 3) of pump.Here the motor 4 of pump 5 is by group
The electronic preposition delivery pump 3 can be disposed directly on high-pressure pump 7 in pump 5 and furthermore for conjunction.High-pressure pump 7 passes through a plateau
Fuel under high pressure, the fuel that for example pressure is 1000,3000 or 4000 bars are conveyed to a high pressure by fuel conductor 36
Rail 42.Fuel under high pressure is conveyed to a unshowned combustion of internal combustion engine 39 from high voltage rail 42 by an injector 43 again
Burn room.It is not fed back in fuel tank 41 again for fuel needed for burning by a return fuel conduit 37.Electronic delivery pump 3
Transfer port 28 (Fig. 2) without external connection part is connect with high-pressure pump 7.Select electronic preposition delivery pump in this wise in the case
3 installation site on high-pressure pump 7: i.e. can be by the on the pressure side guiding high pressure of preposition delivery pump 3 by short hydraulic connecting fuel
The suction side of pump 7.Again by being equipped with a fuel filter 38 in the fuel conductor 35 of fuel tank 41 to electronic delivery pump 3.Thus
The fuel conductor 35 by fuel tank 41 to electronic preposition delivery pump 3 can be advantageously formed in cost in an advantageous manner, because it
Nothing is subjected to over-voltage.The motor 4 (Fig. 2 and 3) of electronic preposition delivery pump 3 is by three-phase current or alternating current driving and in power
On be controllable and/or adjustable.For motor 4 three-phase current or alternating current by a motor vehicle 40 vehicle electric
The DC voltage source of net is supplied by a unshowned great-power electronic device.Therefore the electronic preposition delivery pump 3 is one
The preposition delivery pump 3 of a electronic commutation.
Electronic preposition delivery pump 3 has the shell 8 (Fig. 3 and 5) including a shell tank 10 and a case lid 9.
The pump 5 and motor 4 for constituting internal gear pump 6 or gear pump 26 are equipped in the inside of the shell 8 of preposition delivery pump 3.Shell tank 10
Equipped with an empty slot 57 (Fig. 5) or 58 (Fig. 3) of opening.Motor 4 is with the winding 14 that one includes as electromagnet 15
And the stator 13 of the soft iron heart 45 as soft magnetic core 32, soft magnetic core are configured stack of laminations 33.It placed inside stator 13
One pump 5 as internal gear pump 6, the pump have one include ring gear 23 internal gear 22 and one include outer gear ring 25
External gear 24.Therefore internal gear and external gear 22,24 are a gear 20 and an active wheel 18 and ring gear and outer gear ring 23,
25 have the tooth 21 as transfer unit 19.An operating room 47 is constituted between internal gear and external gear 22,24.In external tooth
Permanent magnet 17 is mounted in wheel 24, so that external gear 24 also constitutes the rotor 16 of motor 4.Therefore motor 4 is combined
It combines in pump 5 or on the contrary.The electromagnet 15 of stator 13 is by alternately through electric current, so that due to being formed on electromagnet 15
Magnetic field makes rotor 16 or external gear 24 be in a rotary motion around rotation axis 27.
Case lid 9 is used as the bearing 11 or axial bearing 11 or sliding bearing 11 of internal gear or external gear 22,24.Furthermore exist
It has also been processed in case lid 19 each as a suction transfer port 29 of transfer port 28 and a pressure transfer port 30.Pass through pumping
Inhaling transfer port flows to fluid to be conveyed, i.e. fuel in preposition delivery pump 3, and fuel is by pressure transfer port 30 again by preposition defeated
Send pump 3 outflow.Respectively there are three holes 46 for tool for this outer housing tank 9 and case lid 10, place unshowned be used for shell tank 9 wherein
Screw together is screwed to case lid 10.
A first embodiment of stator 13 is indicated in Fig. 3 and 4, the stator is complete by a sealing shroud 31 as encapsulation
It surrounds.The electronic preposition delivery pump 3 is in other aspects corresponding to the structure in Fig. 2.Here stator 13 in the view according to Fig. 4
Only half is cut.Sealing shroud 31 is herein for an encapsulation 31 or a spraying encapsulation piece 31 and by die casting
It manufactures in a die casting and is connected cohesively together in the case with stator material.Group as stator 13 in the case
At partially either the soft iron heart 45 of electromagnet 15 or stator 13 is fully surrounded by sealing shroud 31.As stator 13
The contact 34 of the electricity of other component parts includes patching pin 48 and contact conductor 49.Here multiple patch is equipped on stator 13
Pin 48 and affiliated contact conductor 49, so that stator 13 is therefore also with the contact 34 of multiple electricity.Electricity is only represented in Fig. 4
Contact 34.Make 14 galvanization of winding of bottom 13 by the contact 34 of electricity.Here pin 48 is patched partly not by thermoplasticity
The sealing shroud 31 that plastics are made surrounds, thus on the part that surrounds of the unsealed set 31 of the contact 34 of electricity the electricity contact
Part can form mechanical and electric connect so as to have the winding conducting wire 56 of stator 13 with unshowned other side's contact
It 14 galvanization of winding and thus plug frame 55 and patches pin 55 and constitutes a plug.Sealing shroud 31 also has one in the case
A plug frame 55.Here plug frame 55 (Fig. 3 and 4) is arranged on one of shell tank 10 after electronic preposition delivery pump 3 assembles
As (not shown) in the opening 58 in the hole with arbitrary cross section.Plug frame 55 is additionally provided with a functional geometric configuration 50.
The functionality geometric configuration 50 can simply be based only upon the shape of die casting in die casting to manufacture.It is shown in Fig. 4 to have
Plug frame 55 only has a slot 51 as receiving a sealing ring in the first embodiment of the stator 13 of sealing shroud 31
54 functional geometric configuration 50.It can make to insert by the sealing ring 54 and slot 51 entirely around plug frame 55 as sealing element 53
Head frame 55 opposite shell tank 10 and case lid 9 at opening 58 seal in liquid-tight manner.Furthermore it is set between shell tank 10 and case lid 9
There is 53 (not shown) of sealing element as sealing ring 54, so as to the rest part of the shell 8 other than sealed opening 58.Therefore
On the one hand sealing ring 54 prevents harmful substance from invading by the closed interior space of shell 8 and on the other hand making defeated by internal gear pump 6
Fluid, the i.e. fuel sent cannot reach the outside of shell 8.External gear 24 (being not shown in Fig. 4) can be direct on sealing shroud 31
Ground is supported on a sliding bearing 52 of sealing shroud 31.The circular sliding bearing 52 of partial cross section based on stator 13 in Fig. 4
It only once is cut and thus in Fig. 4 only it can be seen that a label.
A second embodiment of shell 8 and stator 13 is indicated in Fig. 5 to 7.The electronic preposition delivery pump 3 is in other aspects
Corresponding to the structure in Fig. 2.The difference of its opposite first embodiment according to Fig. 3 and 4 is basically only described below.Stator 13 is only
Partly surrounded by the sealing shroud 31 as encapsulation for using pressure casting method to manufacture.Plug frame 55 is arranged on one of shell tank 10
In empty slot 57.Here oppositely set on sealing shroud 31 there are two entirely around slot 51, respectively placed one in these slots
Sealing ring 54.On shell tank 10 and case lid 9 and thus respectively contact is fully sealing these sealing rings 54 in the case
Shell 8.Relative rotation axis 27 has the distance bigger than winding 14 herein for functional geometric configuration 50, i.e. slot 51.In this feelings
Under condition thus slot 51 is set on the outer diameter of axis stator 13 or sealing shroud 31, thus thus for slot 51 do not need winding 14 with
Radial additional structure space between external gear 24,
A 3rd embodiment of shell 8 and stator 13 is indicated in Fig. 8.It is opposite according to Fig. 5 that it is basically only described below
Second embodiment difference.Sealing shroud 31 is equipped with a sealing element 53 in a slot 51, wherein due to the sealing element 53
Geometry can fully seal casinghousing 8, and the also formation sealing at plug frame 55.Sealing element 53 completely surrounds plug frame 55
And due to sealing element 53 as one entirely around seal line a contact zone between shell tank 9 and case lid 10 is set
Therefore it can also be with sealing element 53 come the rest part of seal casinghousing 8 on domain.
The pump 5 according to the present invention equipped with motor 4 is associated with some significant advantages taken as a whole.By plug frame
Sealing element 53 on 55 can be such that the plug frame 53 as a part of sealing shroud 31 reliably seals with low cost, because working as die casting
The shape of die casting simply can without fringe cost be based only upon when sealing shroud 31 with plug frame 55 to produce slot 51.
Claims (34)
1. being equipped with the pump (5) of motor (4), which is used for trandfer fluid, which includes:
One active wheel (18) with transfer unit (19), can be rotated by it around rotation axis (27),
One operating room (47) beside the active wheel (18),
One motor (4) with a stator (13) and a rotor (16), wherein the stator (13) includes a soft magnetic core
(32), as the winding of electromagnet (15) and electricity contact (34),
One shell (8),
Wherein the active wheel (18) with the transfer unit (19) and the motor (4) are arranged on the shell
(8) in, and
The pump (5) is combined in the motor (4) or the motor (4) is combined in
In the pump (5), mode is that the rotor (16) is made of the active wheel (18),
It is characterized by: the contact (34) of the electricity is surrounded by the plug frame (55) as sealing shroud (31), by the plug
The relatively described shell (8) of at least one sealing element (53) on frame (55) seals the plug frame (55), the sealing shroud (31)
It is used to receive the functional geometric configuration (50) and/or the sealing element of at least one sealing element (53) at least one
(53) it is combined in the sealing shroud (31).
2. the pump according to claim 1 equipped with motor, it is characterised in that: as the supplement to the plug frame (55), institute
It states stator (13) and a pressure note is at least partly configured by the sealing shroud (31) encirclement and/or the sealing shroud (31)
Modeling encapsulation piece (31) or hot pressing shrinkage part (31) and/or the sealing shroud (31) are connected cohesively together with the stator (13) material.
3. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the sealing shroud (31) at least partly by
Plastics composition and/or the plug frame (55) are arranged in the empty slot (57) or opening (58) of the shell (8).
4. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: by the sealing shroud (31) extremely
A few sealing element (53) make the shell (8) fully seal or the sealing shroud (31) on the sealing element (53) only
It is formed on the plug frame (55) and is equipped between the shell tank (10) and a case lid (9) another sealing element
(53)。
5. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: be combined with forever in the active wheel (18)
Long magnet (17), so that the rotor (16) is made of the active wheel (18).
6. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the transfer unit (19) is a gear
Tooth (21).
7. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: pump (5) is gear pump (26).
8. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the soft magnetic core (32) and/or as electromagnetism
The winding (14) of iron (15) at least partly by the sealing shroud (31) surround, the contact (34) of the electricity partly by
The sealing shroud (31) as plug frame (55) surrounds, so that a part of the contact (34) is arranged on as plug
Other than the plug cover sealing shroud (31) of frame (55).
9. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the stator (13), the winding (14) and
The contact (34) of the partial electricity is closed in liquid-tight manner by the sealing shroud (31).
10. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the pump is used for motor vehicle (40).
11. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the soft magnetic core is configured to stack of laminations
(33)。
12. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the functionality geometric configuration is configured to slot
(51)。
13. the pump according to claim 2 equipped with motor, it is characterised in that: the stator (13) is fully by the sealing
(31) are covered to surround.
14. the pump according to claim 3 equipped with motor, it is characterised in that: the sealing shroud (31) is fully by plastics group
At.
15. the pump according to claim 3 equipped with motor, it is characterised in that: the plastics are thermoplastic plastics.
16. the pump according to claim 14 equipped with motor, it is characterised in that: the plastics are thermoplastic plastics.
17. the pump according to claim 3 equipped with motor, it is characterised in that: the plug frame (55) is arranged on shell tank
(10) in empty slot or opening.
18. the pump according to claim 4 equipped with motor, it is characterised in that: the sealing element (53) is configured to sealing ring
(54)。
19. the pump according to claim 7 equipped with motor, it is characterised in that: the pump (5) is internal gear pump (6).
20. the pump according to claim 8 equipped with motor, it is characterised in that: the soft magnetic core (32) and/or as electromagnet
(15) the winding (14) is fully surrounded by the sealing shroud (31).
21. the pump according to claim 1 or 2 equipped with motor, it is characterised in that: the soft magnetic core (32), the winding
(14) and the contact (34) of the partial electricity is closed in liquid-tight manner by the sealing shroud (31).
22. the method for manufacturing the pump (5) equipped with motor (4), which is used for trandfer fluid, and this method has following step
It is rapid:
One active wheel (18) with transfer unit (19) is provided,
One shell (8) is provided,
There is provided the motor (4) for being used to drive the pump (5) with a stator (13) and a rotor (16), wherein institute
State stator (13) include a soft magnetic core (32), as electromagnet (15) winding and electricity contact (34),
Wherein, the active wheel (18) with the transfer unit (19) and the motor (4) are arranged on the shell
(8) in,
To have the active wheel (18) and the motor (4) assembling of the transfer unit (19) in the shell (6)
At be equipped with motor (4) the pump (5),
It is characterized by: the contact (34) of the electricity is surrounded by a plug frame (55) as sealing shroud (31), by described
The relatively described shell (8) of a sealing element (53) on plug frame (55) seals the plug frame (55), wherein the sealing shroud
(31) there is at least one to be used to receive the functional geometric configuration (50) of at least one sealing element (53) and/or the sealing
Part (53) is combined in the sealing shroud (31).
23. method according to claim 22, it is characterised in that: as the supplement to the plug frame (55), the stator
(13) at least partly by the sealing shroud (31) surround and/or the stator (13) by pressure injection-moulded or hot pressing shrinkage by
The sealing shroud (31) is surrounded.
24. according to the method for claim 22 or 23, it is characterised in that: the sealing shroud (31) is manufactured and/or described by plastics
Stator (13) is surrounded in liquid-tight manner by the sealing shroud (31).
25. according to the method for claim 22 or 23, it is characterised in that: be equipped at least one sealing on the sealing shroud (31)
Part (53) makes the shell (8) fully and also exist by least one described sealing element (53) on the sealing shroud (31)
It is sealed on the plug frame (55), or the sealing element (53) is only provided the plug frame on the sealing shroud (31)
(55) another sealing element (53) are equipped on and between the shell tank (10) and case lid (9) to seal the shell (8)
Rest part.
26. according to the method for claim 22 or 23, it is characterised in that: the pump is according to any in the above claim 1-21
The pump (5) equipped with motor (4) of item.
27. according to the method for claim 22 or 23, it is characterised in that: the soft magnetic core is configured to stack of laminations (33).
28. according to the method for claim 22 or 23, it is characterised in that: the functionality geometric configuration (50) is configured to slot
(51)。
29. method according to claim 23, it is characterised in that: the stator (13) is fully wrapped by the sealing shroud (31)
It encloses.
30. according to the method for claim 22 or 23, it is characterised in that: the sealing shroud (31) is manufactured by thermoplastic plastics.
31. according to the method for claim 22 or 23, it is characterised in that: the stator (13) by the sealing shroud (31) in liquid-tight manner
Completely around.
32. according to the method for claim 22 or 23, it is characterised in that: the sealing element (53) is configured to sealing ring (54).
33. including: for the high-pressure injection system (2) of internal combustion engine (39) and the high-pressure injection system
One high-pressure pump (7),
One high voltage rail (42),
One is used to for fuel being conveyed to the electronic preposition delivery pump (3) of the high-pressure pump (7) by fuel tank (41),
It is characterized by: the electronic preposition delivery pump (3) be configured according to claim 1 to any one of 21 pump (5).
34. according to the high-pressure injection system (2) of claim 33, it is characterised in that: it is used for motor vehicle (40).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010041240A DE102010041240A1 (en) | 2010-09-23 | 2010-09-23 | Pump with electric motor |
| PCT/EP2011/065008 WO2012038214A2 (en) | 2010-09-23 | 2011-08-31 | Pump having an electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105960749A CN105960749A (en) | 2016-09-21 |
| CN105960749B true CN105960749B (en) | 2019-08-16 |
Family
ID=44532867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180055754.1A Expired - Fee Related CN105960749B (en) | 2010-09-23 | 2011-08-31 | Pump equipped with motor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2619886A2 (en) |
| CN (1) | CN105960749B (en) |
| DE (1) | DE102010041240A1 (en) |
| WO (1) | WO2012038214A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015526520A (en) * | 2012-08-31 | 2015-09-10 | プリンシピア バイオファーマ インコーポレイテッド | Benzimidazole derivatives as ITK inhibitors |
| DE102017104837A1 (en) * | 2017-03-08 | 2018-09-13 | HELLA GmbH & Co. KGaA | pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4314453A1 (en) * | 1993-05-03 | 1994-11-10 | Vdo Schindling | Fuel feed unit |
| DE29913367U1 (en) * | 1999-07-30 | 1999-12-09 | Pumpenfabrik Ernst Scherzinger | Internal gear pump, the ring gear of which is the inside of a rotor of an electric motor |
| CN1736014A (en) * | 2002-10-31 | 2006-02-15 | 日本精工株式会社 | Electric power steering device |
| CN101111681A (en) * | 2005-05-31 | 2008-01-23 | 株式会社日立制作所 | Motor-integrated internal gear pump, method of producing the gear pump, and electronic apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304166A (en) * | 2000-04-27 | 2001-10-31 | Aisan Ind Co Ltd | Magnetic coupling pump |
| WO2004040734A1 (en) * | 2002-10-31 | 2004-05-13 | Nsk Ltd. | Electric power steering device |
| JP2005273648A (en) * | 2004-02-23 | 2005-10-06 | Aisin Seiki Co Ltd | Electric pump |
-
2010
- 2010-09-23 DE DE102010041240A patent/DE102010041240A1/en not_active Withdrawn
-
2011
- 2011-08-31 EP EP11749428.6A patent/EP2619886A2/en not_active Withdrawn
- 2011-08-31 CN CN201180055754.1A patent/CN105960749B/en not_active Expired - Fee Related
- 2011-08-31 WO PCT/EP2011/065008 patent/WO2012038214A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4314453A1 (en) * | 1993-05-03 | 1994-11-10 | Vdo Schindling | Fuel feed unit |
| DE29913367U1 (en) * | 1999-07-30 | 1999-12-09 | Pumpenfabrik Ernst Scherzinger | Internal gear pump, the ring gear of which is the inside of a rotor of an electric motor |
| CN1736014A (en) * | 2002-10-31 | 2006-02-15 | 日本精工株式会社 | Electric power steering device |
| CN101111681A (en) * | 2005-05-31 | 2008-01-23 | 株式会社日立制作所 | Motor-integrated internal gear pump, method of producing the gear pump, and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012038214A2 (en) | 2012-03-29 |
| CN105960749A (en) | 2016-09-21 |
| DE102010041240A1 (en) | 2012-03-29 |
| EP2619886A2 (en) | 2013-07-31 |
| WO2012038214A3 (en) | 2012-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20201012 |