CN107044426A - The PM rotor of draining pump and the draining pump comprising it, washing machine - Google Patents
The PM rotor of draining pump and the draining pump comprising it, washing machine Download PDFInfo
- Publication number
- CN107044426A CN107044426A CN201710219983.1A CN201710219983A CN107044426A CN 107044426 A CN107044426 A CN 107044426A CN 201710219983 A CN201710219983 A CN 201710219983A CN 107044426 A CN107044426 A CN 107044426A
- Authority
- CN
- China
- Prior art keywords
- assembly
- permanent magnet
- rotor
- motor shaft
- bearing
- 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.)
- Pending
Links
- 238000005406 washing Methods 0.000 title claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 239000002991 molded plastic Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Textile Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application is related to a kind of PM rotor of draining pump and draining pump, washing machine comprising it.The PM rotor of draining pump includes permanent magnet assembly, bearing assembly and impeller assembly, the permanent magnet assembly includes injection and forms overall motor shaft and permanent magnet, the bearing assembly is arranged between the permanent magnet assembly and the impeller assembly, and the motor shaft is through and out the bearing assembly；The impeller assembly is fixed-type to be stretched out on the part of the bearing assembly in the motor shaft.Using this PM rotor, have the advantages that cost is low, noise is small, it is adaptable to the field of household appliances such as draining pump of washing machine.
Description
Technical field
The present invention relates to applied to family's electro-technical field, the PM rotor of more particularly to a kind of draining pump and comprising it
Draining pump, washing machine.
Background technology
There is a use in drainage pump of washing machine PM rotor in the market, its impeller either magnetic core of permanent magnet
Start muscle and vibration isolation rubber in having in the accommodating chamber of starting and permanent magnet body rotor, accommodating chamber, although vibration isolation rubber can be to a certain degree
Reduction starts the strike note between muscle and vibration isolation rubber, so that noise when reducing PM rotor rotation, but be due to start
The accessory size of muscle and vibration isolation rubber is difficult control, therefore noise when causing the PM rotor to rotate is difficult control.
Chinese patent CN 101408228B disclose the transmission between the rotor and working component of a kind of permagnetic synchronous motor
Device, the transmission device includes the axle sleeve of connection armature spindle, from the startup muscle of the tubular body side wall protrusion of axle sleeve, with accommodating
The working component of the accommodating chamber of axle sleeve, from the first limit rib for accommodating cavity wall protrusion of working component, is contained in accommodating chamber
Damping block, start muscle top surface and the first limit rib top surface between be provided with anticollision gap, so that axle sleeve revolves with armature spindle
When turning, prevent that starting muscle collides or rub with the first limit rib.The structure of this setting accommodating chamber in impeller, it is impossible to keep away
Exempt from the impact noise of the rotor of permagnetic synchronous motor.
Chinese patent CN 202841037U disclose a kind of magnetic core actuating mechanism of alternating current permanent magnet synchronous water discharge pump motor,
Including p-m rotor, armature spindle and rotor axle sleeve, the tubular body lateral wall protrusion one of axle sleeve starts muscle, the magnetic core of p-m rotor
The accommodating chamber of axle sleeve can be housed with one, chamber inner sidewall is accommodated and protrudes a limit rib, starts muscle and interferes to be formed with limit rib
A damping elastomer body is installed in two groups of interference surfaces, each group of interference surface, damping elastomer body has towards the first arc for starting muscle
Face and the second cambered surface towards limit rib, startup muscle or limit rib have respectively has identical song with the first cambered surface or the second cambered surface
The globoidal structure of rate radius and the center of curvature.The structure of this setting accommodating chamber in magnetic core, same inevitable permanent-magnet synchronous
The impact noise of the rotor of motor.
How noise during the PM rotor rotation of drainage pump of washing machine is preferably reduced, as when previous very serious
Technical problem, traditional PM rotor can not preferably meet the industry requirement continued to develop.
The content of the invention
The application aims to provide a kind of a kind of permanent magnet for the draining pump that can reduce noise when PM rotor rotates
Rotor and draining pump, washing machine comprising it.
In order to solve the above technical problems, the technical scheme that the application is provided is：A kind of PM rotor of draining pump, including
Permanent magnet assembly, bearing assembly and impeller assembly, the permanent magnet assembly include injection and form overall motor shaft and permanent magnet,
The bearing assembly is arranged between the permanent magnet assembly and the impeller assembly, and the motor shaft is through and out the axle
Bearing assembly；The impeller assembly is fixed-type to be stretched out on the part of the bearing assembly in the motor shaft.
Preferably, the motor shaft is fixedly installed on the inside of injection-moulded plastic and is axially located in the permanent magnet assembly
The heart, the both sides end face of the permanent magnet is plastic by the injection-moulded plastic.
Preferably, the bearing assembly has bearing, sealing drum and bearing bracket stand, and the motor shaft of the permanent magnet assembly is passed through
The bearing, the motor shaft is provided with knurled portion or cut out portion in the outer end for stretching out the bearing assembly.
Preferably, the impeller assembly has boss in the end relative with the bearing assembly, the impeller assembly
Plastic components is molded or crimped in the knurled portion of the embedded motor shaft or cut out portion.
Preferably, the gap between the end face of the end face of the bearing bracket stand and the boss is 2.5mm~6mm.
Preferably, the impeller assembly includes blade, and the root of the blade is provided with dividing plate, the dividing plate and set
It is equipped with least one through hole.Equally distributed back blades is provided with the another side of dividing plate, the height of the back blades is 0.5mm
~2mm.It is highly preferred that being provided with breach on the inside of the blade.
The another aspect of the application is related to a kind of draining pump, including stator, motor, pump case and rotor, and rotor therein is
PM rotor as described above.
The application's relates in one aspect to a kind of washing machine, including draining pump as described above again.
According to such scheme it can be seen that the application has the following advantages that：Permanent magnet assembly is molded into an entirety, impeller
Annular knurl position or the cutting part of the motor shaft of permanent magnet assembly are molded or are crimped on, so that permanent magnet assembly and impeller
As an entirety, and bearing assembly is installed between permanent magnet assembly and impeller, bearing assembly is uniquely can axially to live
Dynamic part, for supporting fixed permanent magnet rotor.This technical scheme due to without traditional PM rotor magnetic core or
Startup muscle and vibration isolation rubber in accommodating chamber in impeller, both reduce cost, while reducing noise again.
Brief description of the drawings
Fig. 1 is a kind of assembling schematic diagram of the PM rotor of draining pump of the application.
Fig. 2 is a kind of structural representation of the PM rotor of draining pump of the application.
Fig. 3 is a kind of cut-away view of the PM rotor of draining pump of the application.
Fig. 4 is a kind of cut-away view of another embodiment of PM rotor of draining pump of the application.
Fig. 5 is a kind of blade wheel structure schematic diagram of the PM rotor of Fig. 1 to Fig. 4 of the application draining pump.
Fig. 6 is a kind of cut-away view of the another embodiment of PM rotor of draining pump of the application.
Brief description of the drawings：1st, permanent magnet assembly, 2, bearing assembly, 3, impeller assembly, 11, motor shaft, 12, permanent magnet, 13, note
Mould plastics, 21, bearing, 22, sealing drum, 23, bearing bracket stand, 31, plastic components, 32, boss, 33, the end face of boss, 34, blade,
35th, dividing plate, 36, through hole, 37, back blades, 38, breach, 111, knurled portion, 112, groove, 113, cut out portion, 231, bearing
The end face of frame
Embodiment
Application scheme is described in further detail below in conjunction with the accompanying drawings.
According to the PM rotor of the draining pump of the application, including permanent magnet assembly 1, bearing assembly 2 and impeller assembly 3,
Permanent magnet assembly 1 includes injection and forms overall motor shaft 11 and permanent magnet 12, and bearing assembly 2 is arranged on the He of permanent magnet assembly 1
Between impeller assembly 3, motor shaft 11 is through and out bearing assembly 2；Impeller assembly 3 is fixed-type to stretch out bearing in motor shaft 11
On the part of component 2.In this application, permanent magnet assembly is molded into an entirety, and impeller assembly is fixed on permanent magnet assembly
On motor shaft, so that permanent magnet assembly and impeller assembly also turn into an entirety, and in permanent magnet assembly and impeller assembly
Between bearing assembly is installed.Bearing assembly is part that uniquely can be movable relative to motor shaft, for supporting fixed permanent magnetism
Body rotor.
The first embodiment of the PM rotor of draining pump with reference to shown in accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 5, including
Permanent magnet assembly 1, bearing assembly 2 and impeller assembly 3, permanent magnet assembly 1 include motor shaft 11 and permanent magnet 12, the He of motor shaft 11
Permanent magnet 12 is molded into an entirety by injection-moulded plastic 13, and motor shaft 11 is fixedly installed on the inside of injection-moulded plastic 13 and its axle
To the center for being placed in permanent magnet assembly 1, it is plastic that the both sides end face of permanent magnet 12 is injection molding plastics 13；Bearing assembly 2 have bearing 21,
Sealing drum 22 and bearing bracket stand 23, the motor shaft 11 of permanent magnet assembly 1 pass through bearing 21, and motor shaft 11 is stretching out bearing assembly 2
Outer end is provided with knurled portion 111；Impeller assembly 3 has boss 32, the modeling of impeller assembly 3 in the end relative with bearing assembly 2
On the knurled portion 111 for expecting the embedded motor shaft 11 of the injection of part 31.Between between the end face 231 of bearing bracket stand and the end face 33 of boss
Gap L is 2.5mm~6mm, using the radial direction depanning neutral gear gap as impeller assembly 3.
The diameter of motor shaft 11 can be 3mm~4mm, and the length of knurled portion 111 can be 5mm~15mm.Permanent magnet
12 material is ferrite magnetic material, and it is shaped as diameter 17mm~21mm cylinder.Injection-moulded plastic 13 can be poly- first
Aldehyde plastics.The material of sealing drum 22 can be rubber.
Preferably, at least one groove 112, the plastic section of impeller assembly 3 are provided with the knurled portion 111 of motor shaft 11
In the groove 112 of the insertion knurled portion 111 of part 31.
Preferably, impeller assembly 3 can include such as four blades 34, and the root of blade 34 is provided with dividing plate 35, every
At least one through hole 36 is provided with plate 35.Equally distributed such as four back blades 37 are provided with the another side of dividing plate 35,
The height of back blades 37 is 0.5mm~2mm.Four inner sides of blade 34 are provided with breach 38.
The application another program is described in further detail below in conjunction with the accompanying drawings.
With reference to shown in accompanying drawing 1, Fig. 2, Fig. 4 and Fig. 5, a kind of PM rotor of draining pump includes permanent magnet assembly 1, axle
Bearing assembly 2 and impeller assembly 3, permanent magnet assembly 1 include motor shaft 11 and permanent magnet 12, and motor shaft 11 and permanent magnet 12 pass through note
Modeling plastics 13 are molded into an entirety, and motor shaft 11 is fixedly installed on the inside of injection-moulded plastic 13 and it is axially located at set of permanent magnets
The center of part 1, it is plastic that the both sides end face of permanent magnet 12 is injection molding plastics 13；Bearing assembly 2 has bearing 21, sealing drum 22 and bearing
Frame 23, the motor shaft 11 of permanent magnet assembly 1 passes through bearing 21, and motor shaft 11 is provided with notch in the outer end for stretching out bearing assembly 2
Divide 113；Impeller assembly 3 has boss 32 in the end relative with bearing assembly 2, and the plastic components 31 of impeller assembly 3 is molded embedding
Enter in the cut out portion 113 of motor shaft 11.Gap L between the end face 231 of bearing bracket stand and the end face 33 of boss for 2.5mm~
6mm, using the radial direction depanning neutral gear gap as impeller assembly 3.Wherein, the cut out portion 113 of motor shaft 11 is at least provided with one
It is individual.
A kind of two above technical scheme of the PM rotor of draining pump of the application, in specific application, in order that
The plastic components of impeller is smoothly embedded in the groove of the knurled portion of motor shaft, or the smoothly cut out portion of embedded motor shaft
It is interior, to prevent impeller from being deformed in injection moulding process, or pull, preferably ensure between the end face of bearing bracket stand and the end face of boss
Injection molding impeller radial direction depanning neutral gear gap L be 2.5mm~6mm.In practical application, with 4mm or so for optimal radial direction depanning
Neutral gear gap.
The application yet another aspect is described in further detail below in conjunction with the accompanying drawings.
With reference to shown in accompanying drawing 6, a kind of PM rotor of draining pump includes permanent magnet assembly 1, bearing assembly 2 and impeller sets
Part 3, permanent magnet assembly 1 includes motor shaft 11 and permanent magnet 12, and motor shaft 11 and permanent magnet 12 are molded into by injection-moulded plastic 13
One entirety, motor shaft 11 is fixedly installed on the inside of injection-moulded plastic 13 and it is axially located at the center of permanent magnet assembly 1, permanent magnetism
It is plastic that the both sides end face of body 12 is injection molding plastics 13；Bearing assembly 2 has bearing 21, sealing drum 22 and bearing bracket stand 23, set of permanent magnets
The motor shaft 11 of part 1 passes through bearing 21, and motor shaft 11 is provided with knurled portion 111 in the outer end for stretching out bearing assembly 2；Impeller assembly
3 plastic components 31 is crimped on the knurled portion 111 of embedded motor shaft 11.
A kind of another technical scheme of the PM rotor of draining pump of the application, in specific application, can also be adopted
The mode that pressure connects so that the plastic components of impeller is smoothly embedded in the groove of the knurled portion of motor shaft.Therefore the modeling of impeller
The knurled portion of material part and motor shaft belongs to interference fit.
The application further relates to a kind of draining pump, including stator, motor, pump case and rotor, and PM rotor therein is such as
Upper described any PM rotor.Because the application only relates to the improvement to PM rotor, without regard to miscellaneous part
Improvement, so being repeated no more to miscellaneous part.It is to be understood that equal according to the stator, motor and pump case of the draining pump of the application
For prior art, those skilled in the art are fully able to realize.
The application further relates to a kind of washing machine, including draining pump as described above.Because the application is only related to draining pump
Improvement, without regard to the improvement of miscellaneous part, so being repeated no more to miscellaneous part.It is to be understood that washing according to the application
The miscellaneous part of clothing machine is prior art, and those skilled in the art are fully able to realize.
The application and embodiments thereof are described above, the description does not have restricted, shown in accompanying drawing also only
It is one of presently filed embodiment, actual structure is not limited thereto.If all in all ordinary skill people of this area
Member is enlightened by it, similar to the technical scheme without designing for creativeness in the case where not departing from the application creation objective
Frame mode and embodiment, the protection domain of the application all should be belonged to.
Claims (10)
1. a kind of PM rotor of draining pump, including permanent magnet assembly, bearing assembly and impeller assembly, it is characterised in that institute
Stating permanent magnet assembly includes motor shaft and permanent magnet that injection forms entirety, and the bearing assembly is arranged on the permanent magnet assembly
Between the impeller assembly, the motor shaft is through and out the bearing assembly；The impeller assembly is fixed-type in institute
Motor shaft is stated to stretch out on the part of the bearing assembly.
2. PM rotor according to claim 1, it is characterised in that the motor shaft is fixedly installed on injection-moulded plastic
Center that is internal and being axially located at the permanent magnet assembly, the both sides end face of the permanent magnet is plastic by the injection-moulded plastic.
3. PM rotor according to claim 1 or 2, it is characterised in that the bearing assembly has bearing, sealing drum
And bearing bracket stand, the motor shaft of the permanent magnet assembly is through the bearing, and the motor shaft is stretching out the outer of the bearing assembly
End is provided with knurled portion or cut out portion.
4. PM rotor according to claim 3, it is characterised in that the impeller assembly with the bearing assembly phase
To end there is boss, the knurled portion of the embedded motor shaft of plastic components injection or crimping of the impeller assembly or cut
On oral area point.
5. PM rotor according to claim 4, it is characterised in that the end of the end face of the bearing bracket stand and the boss
Gap between face is 2.5mm~6mm.
6. PM rotor according to claim 1 or 2, it is characterised in that the impeller assembly includes blade, and institute
The root for stating blade is provided with dividing plate, the dividing plate and is provided with least one through hole.
7. PM rotor according to claim 6, it is characterised in that uniform point is provided with the another side of the dividing plate
The back blades of cloth, the height of the back blades is 0.5mm~2mm.
8. PM rotor according to claim 6, it is characterised in that be provided with breach on the inside of the blade.
9. a kind of draining pump, including stator, motor, pump case and rotor, it is characterised in that the rotor is in claim 1-8
PM rotor described in any one.
10. a kind of washing machine, it is characterised in that including draining pump according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219983.1A CN107044426A (en) | 2017-04-06 | 2017-04-06 | The PM rotor of draining pump and the draining pump comprising it, washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219983.1A CN107044426A (en) | 2017-04-06 | 2017-04-06 | The PM rotor of draining pump and the draining pump comprising it, washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107044426A true CN107044426A (en) | 2017-08-15 |
Family
ID=59545700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710219983.1A Pending CN107044426A (en) | 2017-04-06 | 2017-04-06 | The PM rotor of draining pump and the draining pump comprising it, washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107044426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720337A (en) * | 2019-03-19 | 2020-09-29 | 博西华电器（江苏）有限公司 | Drain pump and washing household appliance with same |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1373735T3 (en) * | 2001-03-13 | 2009-10-05 | Davey Products Pty Ltd | Improved pump |
| CN201560980U (en) * | 2009-12-21 | 2010-08-25 | 盐城彤晖磁电有限公司 | Rotor, rotating shaft and rotating wheel component of water pump |
| CN101915256A (en) * | 2010-08-12 | 2010-12-15 | 中国船舶重工集团公司第七○三研究所 | High-rotation-speed impeller and rotor linking mechanism |
| CN202713004U (en) * | 2012-08-29 | 2013-01-30 | 宁波狮球通风机电有限公司 | Rotor of permanent magnet |
| CN202707609U (en) * | 2012-08-06 | 2013-01-30 | 株洲联诚集团有限责任公司 | Internal-circulation cooling axial-flow impeller for gas turbine generator |
| CN103062079A (en) * | 2012-12-17 | 2013-04-24 | 江苏洛克电气有限公司 | Air conditioning refrigeration compressor |
| CN202991539U (en) * | 2012-12-17 | 2013-06-12 | 江苏洛克电气有限公司 | Air-conditioning refrigeration compressor |
| CN103161754A (en) * | 2011-12-15 | 2013-06-19 | 重庆江增船舶重工有限公司 | Impeller structure and assembling method thereof |
| CN203570599U (en) * | 2013-09-23 | 2014-04-30 | 常州市泽盛机械有限公司 | Water pump for pickup truck |
| CN105298859A (en) * | 2014-05-30 | 2016-02-03 | 常州雷利电机科技有限公司 | Motor for dish washing machine circulating pump and dish washing machine circulating pump |
| CN105720780A (en) * | 2014-12-02 | 2016-06-29 | 上海鸣志电器股份有限公司 | PM stepper motor injection-molded rotor and manufacturing method thereof |
| CN205779884U (en) * | 2016-05-27 | 2016-12-07 | 合肥新沪屏蔽泵有限公司 | A kind of New centrafugal pump impeller combines drive mechanism with motor shaft |
| CN206723068U (en) * | 2017-04-06 | 2017-12-08 | 无锡好力泵业有限公司 | The PM rotor of draining pump and draining pump, washing machine comprising it |
-
2017
- 2017-04-06 CN CN201710219983.1A patent/CN107044426A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1373735T3 (en) * | 2001-03-13 | 2009-10-05 | Davey Products Pty Ltd | Improved pump |
| CN201560980U (en) * | 2009-12-21 | 2010-08-25 | 盐城彤晖磁电有限公司 | Rotor, rotating shaft and rotating wheel component of water pump |
| CN101915256A (en) * | 2010-08-12 | 2010-12-15 | 中国船舶重工集团公司第七○三研究所 | High-rotation-speed impeller and rotor linking mechanism |
| CN103161754A (en) * | 2011-12-15 | 2013-06-19 | 重庆江增船舶重工有限公司 | Impeller structure and assembling method thereof |
| CN202707609U (en) * | 2012-08-06 | 2013-01-30 | 株洲联诚集团有限责任公司 | Internal-circulation cooling axial-flow impeller for gas turbine generator |
| CN202713004U (en) * | 2012-08-29 | 2013-01-30 | 宁波狮球通风机电有限公司 | Rotor of permanent magnet |
| CN202991539U (en) * | 2012-12-17 | 2013-06-12 | 江苏洛克电气有限公司 | Air-conditioning refrigeration compressor |
| CN103062079A (en) * | 2012-12-17 | 2013-04-24 | 江苏洛克电气有限公司 | Air conditioning refrigeration compressor |
| CN203570599U (en) * | 2013-09-23 | 2014-04-30 | 常州市泽盛机械有限公司 | Water pump for pickup truck |
| CN105298859A (en) * | 2014-05-30 | 2016-02-03 | 常州雷利电机科技有限公司 | Motor for dish washing machine circulating pump and dish washing machine circulating pump |
| CN105720780A (en) * | 2014-12-02 | 2016-06-29 | 上海鸣志电器股份有限公司 | PM stepper motor injection-molded rotor and manufacturing method thereof |
| CN205779884U (en) * | 2016-05-27 | 2016-12-07 | 合肥新沪屏蔽泵有限公司 | A kind of New centrafugal pump impeller combines drive mechanism with motor shaft |
| CN206723068U (en) * | 2017-04-06 | 2017-12-08 | 无锡好力泵业有限公司 | The PM rotor of draining pump and draining pump, washing machine comprising it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720337A (en) * | 2019-03-19 | 2020-09-29 | 博西华电器（江苏）有限公司 | Drain pump and washing household appliance with same |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170815 |
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| RJ01 | Rejection of invention patent application after publication |