CN106555763A - Electric drive pump - Google Patents
Electric drive pump Download PDFInfo
- Publication number
- CN106555763A CN106555763A CN201510639719.4A CN201510639719A CN106555763A CN 106555763 A CN106555763 A CN 106555763A CN 201510639719 A CN201510639719 A CN 201510639719A CN 106555763 A CN106555763 A CN 106555763A
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- electric drive
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Abstract
A kind of electric drive pump, including pump case, stator module and electric-controlled plate, pump case forms pump inner chamber, stator module and electric-controlled plate are arranged at states pump inner chamber, electric-controlled plate is by the electrical connection outside connecting line and pump case, electric drive pump also includes connector assembly, connecting line stretches to the outside of pump case by connector assembly, connector assembly is made up of non-metallic elastic material, connector assembly includes connecting line through-Penetration portion, component installation portion and installation sealing, wire harness through-Penetration portion includes the through hole through connector assembly, connector assembly is fixedly connected with pump case by component installation portion, opposing seal is formed in the connecting portion of connector assembly and pump case by installing sealing；The connector assembly for so arranging is convenient by connecting line extraction pump inner chamber, while the good airproof performance of connector assembly.
Description
【Technical field】
The present invention relates to a kind of electric drive pump, is applied particularly in heat circulating system.
【Background technology】
In recent decades, electric drive pump has replaced traditional mechanical pump gradually, and is applied in heat circulating system in a large number.The advantages of electric drive pump is with without electromagnetic interference, high-efficiency environment friendly, stepless speed regulation, is well positioned to meet the requirement in market.Heat circulating system develops towards high-performance, densification at present, so the installing space of electric drive pump is limited, and performance requirement is high；Electric drive pump includes panel, panel is connected with external power source by connecting line, multiple electrical parts are provided with electric-controlled plate, so the sealing requirements of electric-controlled plate place cavity are higher, therefore during design electric drive pump, the connection of electric-controlled plate and external power source should be met, ensure the sealing requirements of electric-controlled plate place cavity again.
Therefore, it is necessary to existing technology is improved, to solve above technical problem.
【The content of the invention】
It is an object of the invention to provide a kind of electric drive pump, the extraction of the convenient connecting line being connected with electric-controlled plate, while the sealing of accommodating chamber improves.
For achieving the above object, the present invention is adopted the following technical scheme that：A kind of electric drive pump，The electric drive pump includes pump case、Stator module and electric-controlled plate，The pump case forms pump inner chamber，The stator module and the electric-controlled plate are arranged at the pump inner chamber，The stator module and electric-controlled plate electrical connection，The electric-controlled plate is by the electrical connection outside connecting line and pump case，The electric drive pump also includes connector assembly，The connecting line stretches to the outside of the pump case by the connector assembly，The material of the connector assembly is resilient nonmetallic material，The connector assembly includes connecting line through-Penetration portion、Component installation portion and installation sealing，The connecting line through-Penetration portion includes the through hole through connector assembly，The connector assembly is fixedly connected with the pump case by the component installation portion，The connector assembly forms opposing seal in the connecting portion of connector assembly and pump case by installing sealing.
The component installation portion includes the first installation portion and the second installation portion, first installation portion and second installation portion are spaced a distance, the component installation portion includes connecting portion, the connecting portion is arranged between first installation portion and second installation portion, first installation portion is arranged on the inside of the pump case, and second installation portion is arranged on the outside of the pump case.
First installation portion includes installing body and journal stirrup, the installation body includes top and side wall, the side wall is connected with the connecting portion, the journal stirrup is arranged at the side wall for installing body, install that body is concordant arranges with described in the upper surface of the journal stirrup, the journal stirrup extends along the length direction for installing body, and the journal stirrup is raised from the periphery facing external for installing body along the width for installing body, and the journal stirrup is arranged at the both sides for installing body；The size that body is installed in length direction is more than the size for installing body in width.
First installation portion is additionally included in the gap structure arranged in the middle part of the journal stirrup that body both sides are installed described in the length direction for installing body, and the depth of the gap structure is less than or equal to the protrusion of the journal stirrup distance for installing body.
First installation portion also includes guide part, and the guide part includes the first inclined plane part of the top surface and side wall for connecting the mounting body portion, and first inclined plane part causes the outward flange of the top surface less than the outer peripheral size of the side wall；The guide part also includes the second inclined plane part of the top surface and side wall of the connection journal stirrup.
Described to install the annular relief that sealing includes that annular relief is formed around the connecting portion, the annular relief is arranged between first installation portion and second installation portion
Second installation portion includes the stage portion that the outer peripheral face from the connecting portion is convexed to form, and the distance of the projection of stage portion is more than the protrusion distance of annular relief.
The connecting line through-Penetration portion includes four through holes, connecting line through the connecting line through-Penetration portion includes the input connecting line and the output connecting line of control signal of the connecting line being connected with positive source, the connecting line being connected with power cathode and control signal, the side wall interference fit of the insulating barrier of the outer surface of the connecting line and the through hole of the connecting line through-Penetration portion.
The pump case includes electric machine casing, the electric machine casing is formed with for accommodating the accommodating chamber of the electric-controlled plate, the electric machine casing includes housing bottom and housing sidewall, the housing bottom is formed with installing hole, the housing bottom includes installing hole side wall, the boss structure around the installing hole and the counter bore structure around the installing hole, installing hole side wall is surrounded and forms the installing hole, the boss structure is arranged at the inner peripheral surface of the electric machine casing, outer peripheral face of the counter bore structure in the electric machine casing.
First installation portion is arranged through the installing hole, the sealing of installing is arranged with the sidewall contact of the installing hole, first installation portion is limited on the inside of the housing bottom by the boss structure, and second installation portion is limited on the outside of the housing bottom by the counter bore structure.
Here opposing seal refers to prevent steam etc. from entering naturally enclosure interior, and keeps the environment of internal circuit board, rather than refers to there is seal request in the case of relative pressure.
Compared with prior art, the connecting line being connected with panel is drawn outside electric drive pump from the pump inner chamber of electric drive pump by the present invention by connector assembly, connector assembly is arranged at the electric machine casing of electric drive pump, and connector assembly is rubber parts, the good airproof performance with electric machine casing junction.
【Description of the drawings】
Fig. 1 is the schematic diagram in a direction of the electric drive pump of one embodiment of the present invention；
Fig. 2 is the Section A-A structural representation of electric drive pump shown in Fig. 1；
Fig. 3 is a dimensional structure diagram of the electric machine casing of electric drive pump shown in Fig. 1；
Fig. 4 is the present invention looks up structural representation of electric machine casing shown in Fig. 3；
Fig. 5 is a dimensional structure diagram of the connector assembly of electric drive pump shown in Fig. 2；
Fig. 6 is a positive structure schematic of connector assembly shown in Fig. 5；
Fig. 7 is a present invention looks up structural representation of connector assembly shown in Fig. 5；
Fig. 8 is a cross section structure schematic diagram of connector assembly shown in Fig. 5.
【Specific embodiment】
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings：
Structural representations of the Fig. 1 for a kind of embodiment of electric drive pump 100, electric drive pump 100 include pump case, and pump case forms pump inner chamber, and in the present embodiment, pump case includes impeller cavity lid 10, separation sleeve 20, electric machine casing 30；In the present embodiment, impeller cavity lid 10, separation sleeve 20 and electric machine casing 30 individually injection molded, impeller cavity lid 10, separation sleeve 20 and electric machine casing 30 are fixedly connected by screw 120 or bolt, the connecting portion of the connecting portion and separation sleeve 20 and electric machine casing 30 of impeller cavity lid 10 and separation sleeve 20 is provided with sealing ring 130 (referring to Fig. 2), is so conducive to improving the sealing of connecting portion.Referring to Fig. 2, pump inner chamber is divided into flowing lumen 91 and accommodating chamber 92, can have working media to flow through in flowing lumen 91 by separation sleeve 20, and accommodating chamber 92 is flow through without working media；Certainly pump case can also be other structures, and the structure of the pump case that the present embodiment is adopted, manufacturing process are relatively easy, parts it is easy to assembly；Electric drive pump 100 in the present embodiment is mainly used in heat circulating system, and heat circulating system includes cooling recirculation system and/or heating circulation system, and electric drive pump 100 provides circulation power mainly for giving circulatory mediator.Electric drive pump 100 in the present embodiment is can apply in vehicle cooling recirculation system.Electric drive pump 100 in the present embodiment is small size, high lift pump, and less than or equal to 80mm, the height of electric drive pump refers to the vertical dimension between the end for entering flow tube of the protruding point to impeller cavity lid of the bottom from electric machine casing to the height dimension of electric drive pump 100.
Referring to Fig. 2, electric drive pump 100 also includes pump shaft 40, rotor assembly 50, stator module 60, electric-controlled plate 70, connector assembly 80；Rotor assembly 50 is arranged at flowing lumen 91, and stator module 60 and electric-controlled plate 70 are arranged in accommodating chamber 92；Pump shaft 40 can be fixed with Jing injections or assembled fixation with separation sleeve 20, rotor assembly 50 can be rotated around pump shaft 40, rotor assembly 50 is separated by separation sleeve 20 with stator module 60, stator module 60 can be electrically connected with electric-controlled plate 70, electric-controlled plate 70 is connected with connecting line, electric-controlled plate 70 is electrically connected with external power source by connecting line, and electrical connection is included being connected with external power source and is connected with outside signal；Connecting line is caused outside electric drive pump by connector assembly 80.In this example, electric drive pump 100 is inner-rotor-type electric drive pump, inner-rotor-type electric drive pump refers to the axle centered on pump shaft 40, and rotor assembly 50 includes impeller wheel portion and permanent magnet portion, and the permanent magnet portion of rotor assembly 50 is arranged closer to pump shaft 40 than stator module 60.
Structural representations of the Fig. 3 to Fig. 4 for electric machine casing 30, electric machine casing 30 is injection molded, electric machine casing 30 is formed with accommodating chamber 92, and electric machine casing 30 includes housing sidewall 31 and housing bottom 32, and accommodating chamber 92 includes the space that housing sidewall 31 and housing bottom 32 are surrounded.The outer surface of housing sidewall 31 and housing bottom 32 is formed with reinforcement 33, and reinforcement 33 extends to the outer surface of housing bottom 32, can so improve the intensity of electric machine casing 30 from the outer surface of housing sidewall 31.In the present embodiment, the housing bottom 32 of electric machine casing 30 is formed with for installing the mounting structure 38 of connector assembly 80, mounting structure 38 includes the installing hole 39 for forming in housing bottom 32, housing bottom 32 includes installing hole side wall, counter bore structure 391 and boss structure 392, installing hole 39 includes the space that installing hole side wall is surrounded, counter bore structure 391 is formed with the outer surface of the housing bottom 32 of electric machine casing, counter bore structure 391 is shaped around 39 periphery of installing hole, inner surface in electric machine casing bottom 32 is formed with boss structure 392, boss structure 392 is shaped around the periphery of installing hole 39, connector assembly 80 is fixedly connected with electric machine casing 20 by mounting structure 38.
Structural representations of the Fig. 5 to Fig. 8 for connector assembly, in the present embodiment, the pump inner chamber of connecting line extraction electric drive pump of the connector assembly 80 for will be connected with electric-controlled plate 70, connector assembly 80 forms opposing seal with the connecting portion of electric machine casing 30 simultaneously, here opposing seal refers to prevent steam etc. from entering naturally enclosure interior, and the environment of internal circuit board is kept, rather than refer to there is seal request in the case of relative pressure；The medium of the humidity outside limiting is conducive to enter accommodating chamber 92.In the present embodiment, connector assembly 80 is installed on 30 bottom of electric machine casing, as connector assembly 80 is stuck in the minimum point of the housing bottom 31 of the electric machine casing 30 of the electric drive pump 100 substantially non-bulging housing bottom 31 in electric machine casing 30 of connector assembly 80 in other words, connector assembly 80 only has small part to protrude from the minimum point of the housing bottom 31 of electric machine casing 30 in other words, and so setting advantageously reduces the height of the electric drive pump using this connector assembly and electric machine casing.
In the present embodiment, connector assembly 80 is made up of non-metallic elastic material, such as elastomeric material；Connector assembly 80 includes the first installation portion 81, the second installation portion 82, installs sealing 83, connecting line through-Penetration portion 84 and connecting portion 86, component installation portion includes the first installation portion 81 and the second installation portion 82, connecting portion 86 connects the first installation portion 81 and the second installation portion 82, sealing 83 is installed to be arranged between the first installation portion 81 and the second installation portion 82, connecting line through-Penetration portion 84 includes the through hole of the lower surface of the upper surface and the second installation portion 82 of the first installation portion 81 through connector assembly 80.
In the present embodiment, the connecting line through-Penetration portion 84 of connector assembly 80 includes four through holes, connecting line through through hole is the connecting line that is connected with positive source respectively, the connecting line being connected with power cathode, control signal is input into connecting line, control signal exports connecting line, the insulating barrier of connecting line and through-hole side wall interference fit, can so prevent the dampness of outside from entering in pump chamber.
Referring to Fig. 2, the first installation portion 81 and the second installation portion 82 respectively positioned at electric machine casing 30 housing bottom 32 inner and outer, connector assembly 80 is installed and the housing bottom 32 of electric machine casing 30 is limited in by the first installation portion 81 and the second installation portion 82；Outward flange of first installation portion, the 81 partial outer edge structure more than installing hole 39, the outward flange of the second installation portion 82 are more than the outward flange of installing hole 39；Outward flange size of the outward flange size more than installing hole 39 in its natural state of sealing 83 is installed.
First installation portion 81 includes installing body 811, journal stirrup 812 and guide part 813, the two ends in the section of the substantially oblong-shaped mounting body in other words of mounting body 811 811 substantially arc structure, middle part are generally rectangular structure, and the first installation portion 81 is integrated injection structure by the connector assembly whole in other words fixed with the injection of connecting portion 86 of mounting body 811；Mounting body 811 includes top surface 8111 and side wall 8112, describes for convenience, and the plane that 811 top surface of mounting body is located is divided into length direction and width, and wherein mounting body 811 is more than its size in width in the size of length direction；Journal stirrup 812 includes journal stirrup top surface 8121 and journal stirrup side wall 8122, journal stirrup top surface 8121 is concordant with top surface 8111 to be arranged, journal stirrup 812 is molded with the side wall 8112 of mounting body 811 and is fixed, journal stirrup 812 is raised along the width of mounting body 811, length direction of the journal stirrup 812 along mounting body portion 811 extends, and mounting body 811 is more than size of the mounting body portion 811 in width in the size of length direction.Journal stirrup 812 can be specifically multiple, and such as both sides are respectively provided with.
Guide part 813 includes the First Transition face 8131 for connecting top surface 8111 and side wall 8112, and First Transition face 8131 causes top surface to form the similar round table surface structure of local with the junction of side wall, and the installation formation to the first installation portion 81 is oriented to；Guide part 813 is also including at the top of connection journal stirrup 8121 and the second transition face 8132 of journal stirrup side wall 8122, second transition face 8132 causes at the top of journal stirrup 8121 to form the guide frame of similar local round table surface with the junction of journal stirrup side wall 8122, as shown in figure 5, making the first installation portion 81 form guide frame and be conducive to assembling when installing.
First installation portion 81 also includes mounting and adjusting portion 85, and mounting and adjusting structure 85 is included in the gap structure 851 that the middle part of the length direction of connector assembly 80 is arranged, and gap structure 851 can strengthen the elasticity of connector assembly 80；Specifically, gap structure 851 may be disposed at the middle part of journal stirrup, the depth of gap structure 851 substantially journal stirrup height of projection in this place, the mounting and adjusting portion 85 for so arranging are conducive to the installation elasticity for improving the first installation portion 81, convenient that first installation portion 811 is passed through installing hole 39.
First installation portion 81 forms in 86 one end of connecting portion, and the second installation portion 82 is the other end for forming in connecting portion 86, and the second mounting structure 82 has certain thickness, to strengthen its bonding strength；Second mounting structure 82 includes stage portion 821, stage portion 821 is formed from the outwardly protrusion of connecting portion 86, referring to Fig. 6, the outer peripheral size of the second installation portion 82 relative maximum in connector assembly, second installation portion 82 is arranged at the outside of electric machine casing 30, specifically the second installation portion 82 is located at the outside at the position that electric machine casing 30 is used to arrange installing hole 39, second installation portion 82 cannot pass through installing hole 39, correspondingly the first installation portion 81 is located at the inside at the position of installing hole 39 and is supported by journal stirrup, so connector assembly 80 is more consolidated with the connection of electric machine casing 30.
Sealing 83 is installed to be arranged between the first installation portion 81 and the second installation portion 82, the outer peripheral face that sealing 83 is arranged at the connecting portion 86 is installed, installing sealing 83 includes an annular protrusion 831, and annular protrusion 831 is formed from the convex outer surfaces of connecting portion 86；Annular protrusion 831 is less than the distance of the projected side wall of the journal stirrup self installation main body 811 of the first installation portion 81 from the distance of the projection of the outer peripheral face of connecting portion 86；The sidewall contact that sealing 83 is installed with the connector assembly installing hole 39 of the setting of housing bottom 32 of electric machine casing 30 is arranged, sealing 83 is installed for the structure of opposing seal is formed in the junction of electric machine casing 30 and connector assembly 80, in the present embodiment, installing hole side wall is flush configuration, installation sealing 83 is annular protrusion, size of the outward flange size of annular protrusion more than the installing hole, outward flange and the installing hole sidewall contact of annular protrusion form sealing structure；The installing hole side wall of mounting structure 38 can certainly be made to form to installing hole 39 annulus for protruding, it is the annular groove for being arranged at connecting portion 86 to seal installation portion 83 so that annulus insertion annular groove is formed further；Or making the installation sealing 83 of connector assembly 80 form annular protrusion on the contrary, the installing hole side wall of mounting structure 38 forms annular recessed portion so that is formed in annular protrusion insertion annular groove and is further sealed.I.e., in making both mounting structure 38, installation sealing 83, one of them has prominent circulus, and another one then arranges corresponding groove structure or planar structure, make both interference fit or local interference fit, and make the hardness of the electric machine casing for being provided with mounting structure 38 be greater than the hardness of connector assembly 80, structure of the connector assembly 80 for relatively easy deformation, and both is preferably coordinated, and avoid steam etc. from flowing into from gap between the two.In addition the material of connector assembly 80 can also relatively soft be easily deformed resilience and nonconducting other nonmetallic materials.
When connector assembly 80 is installed with electric machine casing 30, the press-in installing hole 39 of first installation portion 81 of connector assembly 80, first installation portion 81 is limited in the inner side of housing bottom 32 by boss structure 392, second installation portion 82 can be limited in the outside of housing bottom 32 by the bottom surface of counter bore structure 391 and/or sidewall contact, the structure for so arranging, so that connector assembly 80 is firmly connected with electric machine casing 30, here counter bore structure 391 is the inverse layer structure of boss structure 392, inside projective structure is seen as from the inside, and externally, here it is the sink structures being inwardly recessed, sink structures are provided with installing hole 39.Simultaneously, sealing 83 is installed setting is contacted with the installing hole side wall interference fit of the installing hole 39 of electric machine casing, the sealing between 30 connecting portion of connector assembly 80 and electric machine casing can so be improved, the insulating barrier of connecting line and the side wall interference fit of connecting line through hole 84, can prevent gap of the steam by connecting line with connecting line through hole side wall from entering pump inner chamber.
It should be noted that：Above example is merely to illustrate the present invention and not limits technical scheme described in the invention, although this specification is with reference to the above embodiments to present invention has been detailed description, but, it will be understood by those within the art that, person of ordinary skill in the field still can modify to the present invention or equivalent, and all are without departing from technical scheme and its improvement of the spirit and scope of the present invention, all should cover in scope of the presently claimed invention.
Claims (10)
1. a kind of electric drive pump, the electric drive pump includes pump case, stator module and electric-controlled plate, and the pump case forms pump inner chamber, and the stator module and the electric-controlled plate are arranged at the pump inner chamber, the stator module and electric-controlled plate electrical connection, it is characterised in that：The electric-controlled plate is by the electrical connection outside connecting line and pump case, the electric drive pump also includes connector assembly, the connecting line stretches to the outside of the pump case by the connector assembly, the material of the connector assembly is resilient nonmetallic material, the connector assembly includes connecting line through-Penetration portion, component installation portion and installation sealing, the connecting line through-Penetration portion includes the through hole through connector assembly, the connector assembly is fixedly connected with the pump case by the component installation portion, the connector assembly forms opposing seal in the connecting portion of connector assembly and pump case by installing sealing.
2. electric drive pump according to claim 1, it is characterised in that：The component installation portion includes the first installation portion and the second installation portion, first installation portion and second installation portion are spaced a distance, the component installation portion includes connecting portion, the connecting portion is arranged between first installation portion and second installation portion, first installation portion is arranged on the inside of the pump case, and second installation portion is arranged on the outside of the pump case.
3. electric drive pump according to claim 2, it is characterised in that：First installation portion includes installing body and journal stirrup, the installation body includes top and side wall, the side wall is connected with the connecting portion, the journal stirrup is arranged at the side wall for installing body, install that body is concordant arranges with described in the upper surface of the journal stirrup, the journal stirrup extends along the length direction for installing body, and the journal stirrup is raised from the periphery facing external for installing body along the width for installing body, and the journal stirrup is arranged at the both sides for installing body；The size that body is installed in length direction is more than the size for installing body in width.
4. electric drive pump according to claim 3, it is characterised in that：First installation portion is additionally included in the gap structure arranged in the middle part of the journal stirrup that body both sides are installed described in the length direction for installing body, and the depth of the gap structure is less than or equal to the protrusion of the journal stirrup distance for installing body.
5. the electric drive pump according to claim 2 to 4, it is characterised in that：First installation portion also includes guide part, and the guide part includes the first inclined plane part of the top surface and side wall for connecting the mounting body portion, and first inclined plane part causes the outward flange of the top surface less than the outer peripheral size of the side wall；The guide part also includes the second inclined plane part of the top surface and side wall of the connection journal stirrup.
6. electric drive pump according to claim 2, it is characterised in that：Described to install the annular relief that sealing includes that annular relief is formed around the connecting portion, the annular relief is arranged between first installation portion and second installation portion.
7. electric drive pump according to claim 6, it is characterised in that：Second installation portion includes the stage portion that the outer peripheral face from the connecting portion is convexed to form, and the distance of the projection of stage portion is more than the protrusion distance of annular relief.
8. electric drive pump according to claim 1, it is characterised in that：The connecting line through-Penetration portion includes four through holes, connecting line through the connecting line through-Penetration portion includes the input connecting line and the output connecting line of control signal of the connecting line being connected with positive source, the connecting line being connected with power cathode and control signal, the side wall interference fit of the insulating barrier of the outer surface of the connecting line and the through hole of the connecting line through-Penetration portion.
9. electric drive pump according to claim 2, it is characterised in that：The pump case includes electric machine casing, the electric machine casing is formed with for accommodating the accommodating chamber of the electric-controlled plate, the electric machine casing includes housing bottom and housing sidewall, the housing bottom is formed with installing hole, the housing bottom includes installing hole side wall, the boss structure around the installing hole and the counter bore structure around the installing hole, installing hole side wall is surrounded and forms the installing hole, the boss structure is arranged at the inner peripheral surface of the electric machine casing, outer peripheral face of the counter bore structure in the electric machine casing.
10. the electric drive pump according to claim 9, it is characterised in that：First installation portion is arranged through the installing hole, the sealing of installing is arranged with the sidewall contact of the installing hole, first installation portion is limited on the inside of the housing bottom by the boss structure, and second installation portion is limited on the outside of the housing bottom by the counter bore structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639719.4A CN106555763B (en) | 2015-09-30 | 2015-09-30 | Electric drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639719.4A CN106555763B (en) | 2015-09-30 | 2015-09-30 | Electric drive pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106555763A true CN106555763A (en) | 2017-04-05 |
| CN106555763B CN106555763B (en) | 2019-08-02 |
Family
ID=58417331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510639719.4A Active CN106555763B (en) | 2015-09-30 | 2015-09-30 | Electric drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106555763B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094354A (en) * | 2018-01-31 | 2019-08-06 | 杭州三花研究院有限公司 | The manufacturing method of electrodynamic pump |
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| EP0386703A2 (en) * | 1989-03-07 | 1990-09-12 | Ebara Corporation | Controller for underwater pump |
| CN2373601Y (en) * | 1999-06-17 | 2000-04-12 | 姚惠平 | Oil-filled diving electric pump protector |
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| CN102158034A (en) * | 2010-02-11 | 2011-08-17 | 浙江三花股份有限公司 | Brushless direct current motor for pump and manufacturing method thereof as well as pump equipped with same |
| CN103299515A (en) * | 2010-11-11 | 2013-09-11 | 格兰富控股联合股份公司 | Pump unit |
| CN104052183A (en) * | 2014-06-13 | 2014-09-17 | 浙江联宜电机股份有限公司 | Motor lead-out wire waterproof sealing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59162392A (en) * | 1984-02-15 | 1984-09-13 | Matsushita Electric Ind Co Ltd | Electric pump for pouring liquid |
| EP0386703A2 (en) * | 1989-03-07 | 1990-09-12 | Ebara Corporation | Controller for underwater pump |
| CN2057239U (en) * | 1989-11-27 | 1990-05-16 | 杭州水泵总厂 | Outlet device of oil-filled submersible electric pump |
| CN2373601Y (en) * | 1999-06-17 | 2000-04-12 | 姚惠平 | Oil-filled diving electric pump protector |
| CN201148981Y (en) * | 2008-01-16 | 2008-11-12 | 浙江大元泵业有限公司 | Electric submergible pump leading-out wire connection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094354A (en) * | 2018-01-31 | 2019-08-06 | 杭州三花研究院有限公司 | The manufacturing method of electrodynamic pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106555763B (en) | 2019-08-02 |
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