CN108448790A - Permanent magnet motor and immersible pump - Google Patents
Permanent magnet motor and immersible pump Download PDFInfo
- Publication number
- CN108448790A CN108448790A CN201810618010.XA CN201810618010A CN108448790A CN 108448790 A CN108448790 A CN 108448790A CN 201810618010 A CN201810618010 A CN 201810618010A CN 108448790 A CN108448790 A CN 108448790A
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- Prior art keywords
- bearing
- cavity
- close
- armature spindle
- liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 208000002925 dental caries Diseases 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009189 diving Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004804 winding 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible 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
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to diving pump technical field more particularly to a kind of permanent magnet motors and immersible pump.Permanent magnet motor includes casing；Casing is vertical structure, and casing includes first end and second end；Casing first end is connected with first bearing seat；Rotor is provided in casing, armature spindle is connect by first bearing with first bearing seat；The first cavity is formed between first bearing seat and armature spindle；There is air in first cavity；When first cavity immerses liquid close to the side of second end, liquid level rises, and to the direction compressed air close to first end, until the pressure of air is identical as the pressure of liquid, at this point, the liquid level of liquid is located under first bearing.Immersible pump includes the permanent magnet motor.The invention reside in a kind of permanent magnet motor of offer and immersible pumps, to solve the technical problem that immersible pump parts existing in the prior art are more, complicated, manufacture difficulty is big, installation difficulty is big.
Description
Technical field
The present invention relates to diving pump technical fields, more particularly, to a kind of permanent magnet motor and immersible pump.
Background technology
Immersible pump is also submerged pump, is a kind of latent pump to work (under liquid) in water.Immersible pump is urban sewage discharge, dirt
Water process, road and bridge engineering draining are irrigated in hydraulic engineering and the important equipment of water drainage etc..With national environmental protection regulation improve and
The enhancing of people's environmental consciousness, the immersible pump for sewage disposal have obtained more and more demands and application.Immersible pump is long-term
It slips into the sewage of various water quality and runs, working environment is severe.Since submersible motor pulls the plug operation, working condition is complicated,
Therefore, it is fully sealed in structure design.
Shown in Figure 1, Fig. 1 is the structural schematic diagram of immersible pump in the prior art；Prior art immersible pump is by motor
Composition, motor in addition to stator 1 ' and rotor 2 ', further include mechanical seal 3 ' with oil sealing 4 ' to ensure leakproofness, wherein
Armature spindle is supported in by bearing 5 ' in rack.The bearing 5 ' of conventional products cannot be used for a long time in water, pass through switch
Whether liquid level is more than bearing 5 ' in 6 ' monitoring pumps can lead to machine winding and bearing failure, therefore if liquid level is more than bearing in pump
Oil sealing and mechanical seal must be housed.In motor installation process, motor stator coordinates with oil sealing end face seam allowance, oil sealing end face with
Pump cover seam allowance coordinates, it is therefore desirable to which the coaxial accuracy of oil sealing and axis is high, otherwise, axis is difficult with mechanical seal assembly, causes
The immersible pump parts of the prior art are more, complicated, manufacture difficulty is big, installation difficulty is big.
Therefore, the application provides a kind of new permanent magnet motor and immersible pump regarding to the issue above.
Invention content
The purpose of the present invention is to provide a kind of permanent magnet motors, to solve immersible pump parts existing in the prior art
Technical problem more, complicated, manufacture difficulty is big, installation difficulty is big.
The present invention also aims to provide a kind of immersible pump, further to solve immersible pump zero existing in the prior art
The technical problem that component is more, complicated, manufacture difficulty is big, installation difficulty is big.
Based on above-mentioned first purpose, the present invention provides a kind of permanent magnet motor, including casing；
The casing be vertical structure, along the short transverse of the casing, the casing include corresponding first end and
Second end, and the first end is located at the top of the second end；
The casing is connected with first bearing seat close to the side of the first end；
Rotor is provided in the casing, the armature spindle of the rotor passes through first bearing close to the side of the first end
It is connect with the first bearing seat；
Wherein, the first cavity is formed between the first bearing seat and the armature spindle, and the first bearing is located at institute
It states in the first cavity；
There is air in first cavity；
When first cavity immerses liquid close to the side of the second end, the liquid level of the liquid rises, and to by
The air is compressed in the direction of the nearly first end, until the pressure of the air is identical as the pressure of the liquid, at this point, institute
The liquid level for stating liquid is located under the first bearing.
In any of the above-described technical solution, further, first bearing seat of the present invention, the armature spindle are close to described
First cavity is formed between the side of first end and the shaft shoulder of the armature spindle；
The first bearing seat forms the first gap between side and the shaft shoulder of the armature spindle far from the first end；
First gap enables to be connected to except first cavity and the first bearing seat.
In any of the above-described technical solution, further, casing of the present invention is connected close to the side of the second end
There is second bearing seat；
The armature spindle of the rotor is connect by second bearing with the second bearing seat close to the side of the second end；
Wherein, the second cavity is formed between the second bearing seat and the armature spindle, and the second bearing is located at institute
It states in the second cavity；
There is air in second cavity；
When second cavity immerses liquid close to the side of the second end, the liquid level of the liquid rises, and to by
The air is compressed in the direction of the nearly first end, until the pressure of the air is identical as the pressure of the liquid, at this point, institute
The liquid level for stating liquid is located under the second bearing.
In any of the above-described technical solution, further, permanent magnet motor of the present invention further includes first bearing branch
Frame；
The first bearing is positioned by the shaft shoulder of the first bearing holder and the armature spindle；
First chamber is formed between the first bearing seat, the first bearing holder and the shaft shoulder of the armature spindle
Body.
In any of the above-described technical solution, further, permanent magnet motor of the present invention further includes second bearing branch
Frame；
The second bearing is positioned by the second bearing holder and the armature spindle close to the shaft shoulder of the second end；
Second chamber is formed between the second bearing seat, the second bearing holder and the shaft shoulder of the armature spindle
Body.
In any of the above-described technical solution, further, permanent magnet motor of the present invention further includes 3rd bearing branch
Frame；
The shaft shoulder of the one end of the second bearing in the axial direction with the armature spindle close to the second end positions, another
End is positioned by the second bearing holder；
The described one end of second bearing holder far from the second bearing passes through the 3rd bearing holder and described second
Bearing block connects.
In any of the above-described technical solution, further, permanent magnet motor of the present invention further includes sheath；
The sheath is sheathed on the armature spindle, and positioned at the armature spindle at the shaft shoulder of the second end；
Institute is formed between the second bearing seat, the sheath, the second bearing holder and the 3rd bearing holder
State the second cavity.
In any of the above-described technical solution, further, it is close that first bearing of the present invention is located at first cavity
The side of the first end；
And/or the second bearing is located at second cavity close to the side of the first end.
Based on above-mentioned second purpose, the present invention provides a kind of immersible pump, including the permanent magnet motor.
In any of the above-described technical solution, further, immersible pump of the present invention further includes water pump；
The water pump is set to the permanent magnet motor close to the side of the second end, and the water pump and the rotor
Axis connection.
Using above-mentioned technical proposal, the present invention has the advantages that：
There is air in first cavity, when immersible pump to be set in liquid, liquid enters in immersible pump, meanwhile, pass through
First cavity enters close to the side of the second end in the first cavity, as immersible pump immerses the depth down in liquid, the
The liquid level of liquid continues to rise in one cavity, and liquid compresses the air to close to the direction of the first end, with air body
Product is compressed, and air increases the pressure of liquid, until the pressure of air is identical as the pressure of liquid, at this point, the liquid level of liquid
No longer rise, at this point, the liquid level of the liquid is located under the first bearing, to ensure that first bearing will not connect with liquid
It touches, realizes immersible pump reliably working under liquid.In conclusion using pressure balance principle, first bearing is protected in air,
It enables first bearing not contacted with liquid, eliminates oil sealing and mechanical seal, simplify submersible pump structure, improve reliability, peace
Dress is convenient.
Immersible pump provided by the invention, including the permanent magnet motor, further solve existing in the prior art
The technical problem that immersible pump parts are more, complicated, manufacture difficulty is big, installation difficulty is big.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of immersible pump in the prior art；
Fig. 2 is the structural schematic diagram of immersible pump provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of immersible pump shown in Fig. 2 in application process.
Icon：1 '-stator；2 '-rotors；3 '-mechanical seals；4 '-oil sealings；5 '-bearings；6 '-switches；
1- casings；2- armature spindles；31- first bearing seats；32- second bearing seats；41- first bearings；42- second bearings；
51- first bearing holders；52- second bearing holders；53- 3rd bearing holders；The first cavitys of 61-；The second cavitys of 62-；7- is protected
Set；8- water pumps.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Shown in Fig. 2-Fig. 3, the present embodiment provides a kind of permanent magnet motors, including casing 1；
The casing 1 is vertical structure, and along the short transverse of the casing 1, the casing includes corresponding first end
And second end, and the first end is located at the top of the second end；
The casing 1 is connected with first bearing seat 31 close to the side of the first end；
Rotor is provided in the casing, the armature spindle 2 of the rotor passes through first axle close to the side of the first end
41 are held to connect with the first bearing seat 31；
Wherein, the first cavity 61, and the first bearing 41 are formed between the first bearing seat 31 and the armature spindle 2
In first cavity 61；
There is air in first cavity 61；
It is shown in Figure 3, when first cavity immerses liquid close to the side of the second end, the liquid level of the liquid
Rise, and the air is compressed to close to the direction of the first end, until the pressure of the pressure and the liquid of the air
It is identical, at this point, the liquid level of the liquid is located under the first bearing.
Preferably, casing includes mutually enclosing the side wall connect, and optionally, it is in cylinder that side wall, which enables casing,.
Casing is vertical casing, that is, the axis direction of casing is vertical.
There is air in first cavity, when immersible pump to be set in liquid, liquid enters in immersible pump, meanwhile, pass through
First cavity enters close to the side of the second end in the first cavity, as immersible pump immerses the depth down in liquid, the
The liquid level of liquid continues to rise in one cavity, and liquid compresses the air to close to the direction of the first end, with air body
Product is compressed, and air increases the pressure of liquid, until the pressure of air is identical as the pressure of liquid, at this point, the liquid level of liquid
No longer rise, at this point, the liquid level of the liquid is located under the first bearing, to ensure that first bearing will not connect with liquid
It touches, realizes immersible pump reliably working under liquid.
In conclusion using pressure balance principle, first bearing is protected in air, enables first bearing will not be with liquid
Contact, eliminates oil sealing and mechanical seal, simplifies submersible pump structure, improves reliability, easy for installation.
Optionally, the first bearing seat, the armature spindle close to the side of the first end and the armature spindle axis
First cavity is formed between shoulder；
The first bearing seat forms the first gap between side and the shaft shoulder of the armature spindle far from the first end；
First gap enables to be connected to except first cavity and the first bearing seat.
To enable first cavity close to the second end side immerse liquid, and by the air in the first cavity to
It is compressed close to the direction of first end.
Preferably, shown in Figure 2, the permanent magnet motor described in the present embodiment further includes first bearing holder 51；
The first bearing 41 is positioned by the shaft shoulder of the first bearing holder 51 and the armature spindle 2；
First chamber is formed between the first bearing seat, the first bearing holder and the shaft shoulder of the armature spindle
Body.
Preferably, the casing is connected with second bearing seat 32 close to the side of the second end；
The armature spindle 2 of the rotor passes through second bearing 42 and the second bearing seat 32 close to the side of the second end
Connection；
Wherein, the second cavity 62, and the second bearing 42 are formed between the second bearing seat 32 and the armature spindle 2
In second cavity 62；
There is air in second cavity；
When second cavity immerses liquid close to the side of the second end, the liquid level of the liquid rises, and to by
The air is compressed in the direction of the nearly first end, until the pressure of the air is identical as the pressure of the liquid, at this point, institute
The liquid level for stating liquid is located under the second bearing.
There is air in second cavity, when immersible pump to be set in liquid, liquid enters in immersible pump, meanwhile, pass through
Second cavity enters close to the side of the second end in the second cavity, as immersible pump immerses the depth down in liquid, the
The liquid level of liquid continues to rise in two cavitys, and liquid compresses the air to close to the direction of the first end, with air body
Product is compressed, and air increases the pressure of liquid, until the pressure of air is identical as the pressure of liquid, at this point, the liquid level of liquid
No longer rise, at this point, the liquid level of the liquid is located under the second bearing, to ensure that second bearing will not connect with liquid
It touches, realizes immersible pump reliably working under liquid.
In conclusion using pressure balance principle, second bearing is protected in air, enables second bearing will not be with liquid
Contact, eliminates oil sealing and mechanical seal, further simplifies submersible pump structure, improves reliability, easy for installation.
Preferably, shown in Figure 2, the permanent magnet motor described in the present embodiment further includes second bearing holder 52；
The second bearing 42 is by the second bearing holder 52 with the armature spindle 2 close to the shaft shoulder of the second end
Positioning；
Second chamber is formed between the second bearing seat, the second bearing holder and the shaft shoulder of the armature spindle
Body.
Preferably, the permanent magnet motor described in the present embodiment further includes 3rd bearing holder 53；
The shaft shoulder of the one end of the second bearing 42 in the axial direction with the armature spindle 2 close to the second end positions,
The other end is positioned by the second bearing holder 52；
52 one end far from the second bearing 42 of the second bearing holder passes through the 3rd bearing holder 53 and institute
State the connection of second bearing seat 32.
To enable to the accurate positioning of second bearing, reliable.
Preferably, the permanent magnet motor described in the present embodiment further includes sheath 7；
The sheath 7 is sheathed on the armature spindle 2, and positioned at the armature spindle 2 at the shaft shoulder of the second end；
Institute is formed between the second bearing seat, the sheath, the second bearing holder and the 3rd bearing holder
State the second cavity.
Preferably, the first bearing is located at first cavity close to the side of the first end；
And/or the second bearing is located at second cavity close to the side of the first end.
Specifically, the first bearing is located at first cavity close to the side of the first end；
Alternatively, the second bearing is located at second cavity close to the side of the first end.
Alternatively, the first bearing is located at first cavity close to the side of the first end；And the second bearing
Positioned at second cavity close to the side of the first end.
Preferably, the first bearing is located at first cavity close to the side of the first end；And second axis
It holds positioned at second cavity close to the side of the first end.
It is more reliable to the protection of first bearing and second bearing to enable.
Embodiment two
Embodiment two provides a kind of immersible pump, and the immersible pump includes the permanent magnet motor described in embodiment one, implements
The technical characteristic of permanent magnet motor disclosed in example one is also applied for the embodiment, one published permanent magnet motor of embodiment
Technical characteristic is not repeated to describe.The embodiment of the immersible pump is described in further detail below in conjunction with the accompanying drawings.
To save length, the improvement feature of the embodiment is equally embodied in Fig. 2-Fig. 3, therefore, in conjunction with Fig. 2-Fig. 3 to this
The scheme of embodiment illustrates.
Shown in Fig. 2-Fig. 3, immersible pump provided in this embodiment, including the permanent magnet motor, further solve
Immersible pump parts existing in the prior art are more, complicated, manufacture difficulty is big, installation difficulty is big technical problem.
Preferably, the immersible pump described in the present embodiment further includes water pump 8；
The water pump 8 is set to the permanent magnet motor close to the side of the second end, and the water pump 8 with described turn
Sub- axis 2 connects.
Immersible pump described in the present embodiment has the advantages that permanent magnet motor described in embodiment one, and the advantage is in embodiment
It is described in detail in one, is not repeated herein.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments means in of the invention
Within the scope of and form different embodiments.For example, in claims above, embodiment claimed is appointed
One of meaning mode can use in any combination.The information for being disclosed in the background technology part is merely intended to deepen to this
The understanding of the general background technology of invention, and be not construed as recognizing or implying in any form that information composition has been ability
The prior art well known to field technique personnel.
Claims (10)
1. a kind of permanent magnet motor, which is characterized in that including casing；
The casing is vertical structure, and along the short transverse of the casing, the casing includes corresponding first end and second
End, and the first end is located at the top of the second end；
The casing is connected with first bearing seat close to the side of the first end；
Rotor is provided in the casing, the armature spindle of the rotor passes through first bearing and institute close to the side of the first end
State first bearing seat connection；
Wherein, the first cavity is formed between the first bearing seat and the armature spindle, and the first bearing is located at described the
In one cavity；
There is air in first cavity；
When first cavity immerses liquid close to the side of the second end, the liquid level of the liquid rises, and to close to institute
The air is compressed in the direction for stating first end, until the pressure of the air is identical as the pressure of the liquid, at this point, the liquid
The liquid level of body is located under the first bearing.
2. permanent magnet motor according to claim 1, which is characterized in that the first bearing seat, the armature spindle are close
First cavity is formed between the side of the first end and the shaft shoulder of the armature spindle；
The first bearing seat forms the first gap between side and the shaft shoulder of the armature spindle far from the first end；
First gap enables to be connected to except first cavity and the first bearing seat.
3. permanent magnet motor according to claim 1, which is characterized in that the casing connects close to the side of the second end
It is connected to second bearing seat；
The armature spindle of the rotor is connect by second bearing with the second bearing seat close to the side of the second end；
Wherein, the second cavity is formed between the second bearing seat and the armature spindle, and the second bearing is located at described the
In two cavitys；
There is air in second cavity；
When second cavity immerses liquid close to the side of the second end, the liquid level of the liquid rises, and to close to institute
The air is compressed in the direction for stating first end, until the pressure of the air is identical as the pressure of the liquid, at this point, the liquid
The liquid level of body is located under the second bearing.
4. permanent magnet motor according to claim 2, which is characterized in that further include first bearing holder；
The first bearing is positioned by the shaft shoulder of the first bearing holder and the armature spindle；
First cavity is formed between the first bearing seat, the first bearing holder and the shaft shoulder of the armature spindle.
5. permanent magnet motor according to claim 3, which is characterized in that further include second bearing holder；
The second bearing is positioned by the second bearing holder and the armature spindle close to the shaft shoulder of the second end；
Second cavity is formed between the second bearing seat, the second bearing holder and the shaft shoulder of the armature spindle.
6. permanent magnet motor according to claim 5, which is characterized in that further include 3rd bearing holder；
The shaft shoulder of the one end of the second bearing in the axial direction with the armature spindle close to the second end positions, and the other end is logical
Cross the second bearing holder positioning；
The described one end of second bearing holder far from the second bearing passes through the 3rd bearing holder and the second bearing
Seat connection.
7. permanent magnet motor according to claim 6, which is characterized in that further include sheath；
The sheath is sheathed on the armature spindle, and positioned at the armature spindle at the shaft shoulder of the second end；
Described is formed between the second bearing seat, the sheath, the second bearing holder and the 3rd bearing holder
Two cavitys.
8. permanent magnet motor according to claim 3, which is characterized in that the first bearing is located at first cavity and leans on
The side of the nearly first end；
And/or the second bearing is located at second cavity close to the side of the first end.
9. a kind of immersible pump, which is characterized in that including such as claim 1-8 any one of them permanent magnet motor.
10. immersible pump according to claim 9, which is characterized in that further include water pump；
The water pump is set to the permanent magnet motor close to the side of the second end, and the water pump connects with the armature spindle
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618010.XA CN108448790B (en) | 2018-06-15 | 2018-06-15 | Permanent magnet motor and submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618010.XA CN108448790B (en) | 2018-06-15 | 2018-06-15 | Permanent magnet motor and submersible pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108448790A true CN108448790A (en) | 2018-08-24 |
| CN108448790B CN108448790B (en) | 2023-12-01 |
Family
ID=63207013
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810618010.XA Active CN108448790B (en) | 2018-06-15 | 2018-06-15 | Permanent magnet motor and submersible pump |
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| CN (1) | CN108448790B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165203A (en) * | 2020-09-25 | 2021-01-01 | 宁波精成电机有限公司 | Motor structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112165203B (en) * | 2020-09-25 | 2021-08-31 | 宁波精成电机有限公司 | Motor structure |
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