CN109309428A - Rotary generator - Google Patents
Rotary generator Download PDFInfo
- Publication number
- CN109309428A CN109309428A CN201810846544.8A CN201810846544A CN109309428A CN 109309428 A CN109309428 A CN 109309428A CN 201810846544 A CN201810846544 A CN 201810846544A CN 109309428 A CN109309428 A CN 109309428A
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- CN
- China
- Prior art keywords
- lid
- stator
- bearing
- axis
- rotary generator
- 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.)
- Granted
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Classifications
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of rotary generator (10), it has the active iron core formed by stator (11), rotor (12) and axis (13), stator (11) has the centre bore for storing rotor (12), and centre bore limits the inner wall (11a) of stator (11).The machine includes: first end cover (14), the bearing receiving portion (14d) for having the circular wall (14a) for being configured to engage against the inner surface (11a) of stator (11) and being configured to storage first bearing (16)；The first lid (14) with first bearing (16) is mounted on axis (13), so that first bearing (16) is contacted with the first lid (14) and axis (13)；And second end cover (15), have circular wall (15a), circular wall is configured to engage against the inner surface (11a) of stator (11)；Second end cover has bearing receiving portion (15c), and bearing receiving portion is configured to storage second bearing (17), and second bearing (17) is contacted with the second lid (15) and axis (13).
Description
Technical field
The present invention relates to rotary generators, more precisely, being related to (turning with stationary part (stator) and rotating part
Son) rotary generator.
Background technique
Rotary generator is well known in the art, and generally comprises stationary parts (stator) and rotary part
(rotor).In a simplified manner, stator includes stacking and the multiple plates suppressed to form the block or component of referred to as stator core.This
A little plates are commonly referred to as stator vane.
In some electric generator structures, the lid of generator is attached on the active iron core of machine.This structure needs careful
Concentricity between observation lid and stator, to be assembled in suitable tolerance threshold.
When manufacturing lid by injection technique, difficult meeting relevant to this concentricity demand is more obvious.Due to this
Manufacturing process is difficult to realize dimensional accuracy, it is therefore necessary to processing lid after injection.Processing ensures that size needed for being adapted for carrying out
In the margin of tolerance of concentricity.
Figures 1 and 2 show that generator well known in the prior art.The closing of generator 1 is executed by two lids 2 and 3, often
A lid is all located at the respective end of machine.
Lid be placed on the end of stator block and by bar 4 it is closed together.(its attachment point 5 is schematic in Fig. 2 for bar 4
Ground is shown) when being tightened, on the direction shown in the arrow of Fig. 2 against each other by two lids.
Go out as shown in the figure, each of lid 2 and 3 is equipped with outer ring 6 and 7, the inner surface contact stator of the outer ring
Outer diameter is simultaneously surrounded.
Therefore, from the prior art known this closed system need accurately to observe each part measured value and
Careful assembling process, to avoid the coaxiality error of machine parts in an assembling process.
Summary of the invention
The purpose of the present invention is to provide the rotary generator with closed system, the closed system reduce lid and it is other
The risk of the coaxiality error of machine parts in an assembling process.
Another object of the present invention is to provide the rotary generator with closed system, which ensures to cover and determine
Concentricity between son.
The purpose of the present invention is to provide the rotary generator with closed system, which reduces the gas of machine
Gap improves the efficiency of machine and reduces active material.Between air gap defines between the outer diameter of rotor and the internal diameter of stator
Gap.
Another object of the present invention is to provide the rotary generators with closed system, wherein lid is based in stator
Diameter alignment.
It is another object of the present invention to provide generators, wherein end cap is attached by single attachment device.
The present invention relates to rotary generator, which has the active iron core formed by stator, rotor and axis, should
Stator has the centre bore for storing rotor, which limits the inner surface of stator, which includes first and second
End cap.
First end cover has the circular wall for being configured to engage against the inner surface of stator and is configured to storage first bearing
Bearing receiving portion.The first lid with first bearing is mounted on an axle, so that first bearing is contacted with the first lid and axis.Circle
Shape wall can be inner circular wall.
Second end cover has circular wall, and circular wall is configured to engage against the inner surface of stator；Second end cover has bearing
Receiving portion, bearing receiving portion are configured to storage second bearing, and second bearing is contacted with the second lid and axis.
This structure (having the end cap engaged with the inner surface (internal diameter) of stator) allows extremely compact construction, to subtract
Few error usually existing when end cap is closed on the outer diameter of stator.By realizing better concentricity, structure of the invention
Allow to reduce the air gap between stator and rotor, to provide more efficient machine.
This structure also allows to simplify the closure (that is, closing end cap) of machine, because being once tensioned together, lid can lead to
It crosses holding element or the closed position is maintained at by the interference fit between bearing and axis.
In one embodiment of the invention, axis has threaded portion, and fastening of the nut on threaded portion is so that first
Lid and the second lid are tensioned toward each other, and nut is used as holding element, to keep the first and second lids during the operation of machine
In off position.
In another embodiment of the invention, the first lid and the second lid are tensioned toward each other by pressure, and lock washer exists
The first and second lids are kept in off position during the operation of machine.
In another embodiment of the invention, compressed spring supports second bearing at one end and the other end is attached to
The washer of axis is anchored.
In another embodiment of the invention, the first lid and the second lid are tensioned toward each other by pressure, and in machine
Operation during interference fit between bearing and axis so that the first lid and the second lid are maintained at closed state.
Certainly, machine of the invention can be closed by any other closed system, which is stretched in one for lid
It rises and keeps component closure during machine operation.
First end cover can have outer stabilizer blade, and free end is configured to the end face of contact stator.
Preferably, the edge of the inner wall of the first lid includes step portion, the first of the adjacent stator inner surface of the step portion
Ora terminalis；And wherein, the edge of the circular wall of the second lid includes step portion, and the second of the adjacent stator inner surface of the step portion
Ora terminalis.
Rotor may include the depressed section of the ora terminalis close to stator inner surface, to allow the interior table of step portion and stator
The ora terminalis in face engages.
First end cover may include eight for storing the through-hole of limit screw.
Detailed description of the invention
The present invention will be described in more detail below with reference to the accompanying drawings, in which:
Fig. 1 is the perspective view of generator well known in the prior art；
Fig. 2 is the side view of the machine of Fig. 1, and no fan is connected to its end；
Fig. 3 is the preceding perspective view of generator according to an embodiment of the invention；
Fig. 4 is the rear perspective view of generator according to an embodiment of the invention；
Fig. 5 is the cross-sectional perspective view of generator according to an embodiment of the invention；
Fig. 6 is the viewgraph of cross-section of generator according to an embodiment of the invention；
Fig. 7 is the preceding perspective view of the first lid of generator according to an embodiment of the invention；
Fig. 8 is the rear perspective view of the first lid of generator according to an embodiment of the invention；
Fig. 9 is the preceding perspective view of the second lid of generator according to an embodiment of the invention；
Figure 10 is the rear perspective view of the second lid of generator according to an embodiment of the invention；
Figure 11 is the decomposition diagram of generator according to an embodiment of the invention；
Figure 12 is the detailed decomposition diagram at the rear portion of generator according to an embodiment of the invention；
Figure 13 is the detailed cross sectional view at the rear portion of generator according to an embodiment of the invention；
Figure 14 is the detailed decomposition diagram at the rear portion of the generator of second embodiment according to the present invention；
Figure 15 is the detailed cross sectional view at the rear portion of the generator of second embodiment according to the present invention；
Figure 16 is the rear perspective view of the generator of second embodiment according to the present invention；
Figure 17 is the detailed decomposition diagram at the rear portion of the generator of third embodiment according to the present invention；
Figure 18 is the detailed cross sectional view at the rear portion of the generator of third embodiment according to the present invention；
Figure 19 is the rear perspective view of the generator of third embodiment according to the present invention；
Figure 20 is the schematic, exploded for showing the rigging error in the machine of the prior art；And
Figure 21 is the schematic, exploded for showing the rigging error in machine according to the present invention.
Specific embodiment
The present invention will be described based on the first exemplary embodiment described in Fig. 3 to Figure 13 below.
Fig. 3 shows generator 10 (such as motor), has the active iron core formed by stator 11, rotor 12 and axis 13
(active core).Generator is with there are two lids 14 and 15.The detailed construction of this active iron core be those skilled in the art
Know, this will not be detailed here.
In a simplified manner, stator includes stacking and the multiple plates suppressed to form the block or component of referred to as stator core.
Stator core has the centre bore for storing rotor, thus the inner surface 11a of centre bore restriction stator 11, and outermost plate
The end face 11b of outer surface restriction stator.The inner surface 11a of stator has the first ora terminalis 11c and the second ora terminalis 11d.It should be noted that such as
Used herein, the inner surface of stator corresponds to the internal diameter of stator.
Lid 14 and 15 is configured to be mounted on axis 13 by ball bearing.Therefore, two lids, which all have, is used for ball bearing
Receiving portion or hub so that ball bearing 16 and 17 with lid receiving portion and axis contact.Certainly, although attached drawing shows rolling
Pearl bearing, but without departing from the spirit of the invention, can also use other kinds of bearing.
As being better shown in Fig. 7 and Fig. 8, in a preferred embodiment of the invention, the first lid 14 has inner circular wall
14a is configured to engage against the inner surface 11a of stator 11.As being better shown in Fig. 5 and Fig. 6, the edge of inner wall 14a
Including step portion 14b, the first ora terminalis 11c of the adjacent stator inner surface 11a of the step portion.As illustrated in FIG. 8, inner wall 14a
Recess 14f can be also wrapped, for promoting to assemble and lid being avoided to rotate.
First lid 14 further includes outer stabilizer blade 14c, and free end is configured to the end face 11b of contact stator.As in Fig. 3 preferably
Shown, outer stabilizer blade rests on stator faces 11b, but does not engage and also do not surround stator.
First lid 14 further includes bearing receiving portion 14d and through-hole 14e, which is configured to storage ball axis
16 are held, the through-hole is for storing attachment pin or screw 18.
In a preferred embodiment of the invention, there are four outer stabilizer blade 14c and eight through-hole 14e for the first lid tool.Although attached drawing
Showing tool, there are four the first lids 14 of outer stabilizer blade, but those skilled in the art will appreciate that the branch of different number can be used
Foot.
Limit screw 18 is used to generator being attached to another machine or surface.Therefore, the number for the screw of attachment 18
Amount will depend on and the design on the machine of 10 phase of generator attachment or surface.The fact that the first lid 14 has eight through-hole 14e mentions
The flexibility for having supplied attachment, because can be according to the design of attachment scheme with or without the use of hole.
Certainly, the quantity of hole and limit screw can be more or less than eight, this depends on the design of generator and its institute
The attachment system used.In fact, lid can not have limit screw, and as independent generator or including other kinds of attached
Welding system.
As being better shown in Fig. 9 and Figure 10, in a preferred embodiment of the invention, the second lid 15 has circular wall
15a is configured to engage against the inner surface 11a of stator 11.As being better described in Fig. 5 and Fig. 6, the edge of circular wall 15a
Including step portion 15b, the second ora terminalis 11d of the adjacent stator inner wall 11a of the step portion.As illustrated in FIG. 10, inner wall 15a is also
It may include recess 15d, for saving raw material and reducing the weight of lid.
Second lid 15 further includes bearing receiving portion 15c, is configured to storage ball bearing 17.
It should be noted that in a preferred embodiment of the invention, rotor 12 includes the ora terminalis of the inner surface 11a close to stator 11
The depressed section of 11c, 11d, to allow step portion 14b and 15b to engage with ora terminalis 11c, 11d.However, being replaced in of the invention
For in embodiment, depressed section be can be set in the inner surface of stator, and wherein the inner surface of step portion engagement stator is recessed
The edge of concave portion point.
It would be recognized by those skilled in the art that two identical lids (such as two " second " lids 15) can be used to execute
The closure of generator.In fact, in order to realize that closed system proposed by the present invention, used each lid need only to have construction
At against stator inner surface engagement circular wall and be configured to storage bearing bearing receiving portion be mounted on machine will cover
On device axis.
Illustrate the closure of generator according to an embodiment of the invention below with reference to the schematic diagram of Figure 11.
Firstly, limit screw 18 is inserted into the through-hole 14e of the first lid 14.Then, first bearing 16 is mounted on first
In the bearing receiving portion 14d of lid.
Washer 19 is placed in armature spindle 13, then the first lid 14 with bearing 16 is mounted on armature spindle 13.
It should be noted that bearing 16 is all contacted with lid 14 and axis 13.After installation lid, elastic ring 20 is placed in axis.Elastic ring 20 is used
Make stopping element, to prevent lid 14 from sliding along the direction opposite with active iron core.
The first lid 14 with bearing 16 is mounted in armature spindle 13, the first lid then assembled/bearing and axis insertion
In the inner surface 11a of stator 11, so that the step portion 14b of inner wall 14a is engaged with the ora terminalis 11c of the inner surface 11a of stator, and
The outer stabilizer blade 14c of first lid abuts before stator 11/end face 11b.
Then second bearing 17 is mounted in the bearing receiving portion 15c of the second lid, and by the with bearing 17
Two lids 15 are installed on axis 13, and wherein circular wall 15a engages the inner surface 11a of stator 11.It should be noted that bearing 17 and lid 15 and axis
13 all contact.
In order to be closed generator, hex nut 22 is threadedly coupled on the threaded portion of axis 13, leans on the second lid 15
Component tensioning.Go out as shown in Figure 11 to Figure 13, washer 21 can be used together with nut 22.
When nut 22 is threadedly coupled, axis is slightly moved, and elastic ring 20 forces first bearing and first end cover 14
Against stator.
Therefore, the first and second lids are tensioned by the threaded connection of nut toward each other, and the nut fastened is in machine
Component closure is kept during operation.
If desired, fan 23 can be attached on axis.The function of fan 23 is to those skilled in the art
It is known, it no longer describes herein.
Therefore, using generator of the invention, by fastening single hexagonal spiral shell after being aligned lid with the internal diameter of stator
Mother 22 may be implemented to be closed.
It is aligned due to covering with the internal diameter of stator, this structure ensures the concentricity between parts, to generate each
Kind benefit, such as can reduce air gap.
In the second embodiment of the present invention, as shown in Figure 14 to Figure 16, the first lid and the second lid are opened each other by pressure
Tightly.Once the first and second lids are in close state, so that it may operate the phase in machine using the lock washer 24 being attached on axis
Between by first and second lid keep in off position.Faced washer 25 can also be used for the small diameter of compensation bearing cap.Certainly, this
A additional faced washer and not strictly necessary.
In the third embodiment of the present invention, as shown in Figures 17 to 19, once the first and second lids are in closed state,
Then compressed spring 26 supports rear bearings 17 at one end and the other end is attached to the washer 27 " anchoring " of axis 13.Spring 26
Compression between bearing 17 and washer 27 ensures component preloading on bearing, this then covers the power for applying and generating after,
Guarantee the assembling of part and the closure of machine.
In another embodiment of the invention, the first lid and the second lid are tensioned each other by pressure.When the first and second lids
When squeezing toward each other, interference fit is formed between the first and second bearings and axis.Therefore, machine operation during bearing and
Interference fit between axis is so that the first and second lids are maintained at closed state.
Figure 20 and Figure 21 shows to work as and is compared the machine (Figure 20) of the prior art and machine (Figure 21) of the invention
When concentricity and parallelism error reduction.
Therefore, following error is reduced:
A: the coaxiality deviation in bearing block diameter and front cover between the assembly diameter of stator；
B and C: axis in axis holds the coaxiality deviation between diameter and rotor diameter；
D: the coaxiality deviation in bearing block diameter and rear cover between the assembly diameter of stator；
E: the parallelism error between stator face.
Gap: diameter of stator bore is relative to the gap (also referred to as air gap) between rotor diameter；And
The interior radial clearance of the bearing of FR1R 1 and 2-.
Reduction of getting off at first view seems very little because do not account in the present invention coil stator (B and C) internal diameter and outer diameter it
Between coaxiality error.But between this error and stator face parallelism error reduction, greatly reduce the change of air gap
Change.
The internal diameter of stator is engaged by changing lid, parallelism error reduces by 24%.
In this respect, the degree of approach between the diameter of the shutter fitting in the diameter and stator of the bearing block in lid also functions to rush
Into effect.
In addition, the present invention allow without separate machine part in the case where to bearing carry out using.
The example of the preferred embodiment of generator closed system of the invention has been described, it is to be understood that, the present invention
Range include described inventive concept other possible modifications, only limited by the wording of appended claims, including can
Including the equivalent of energy.
Claims (11)
1. the type of a kind of rotary generator (10), the rotary generator has by stator (11), rotor (12) and axis (13)
The active iron core formed, the stator (11) have the centre bore for storing the rotor, and it is described fixed that the centre bore limits
The inner wall (11a) of sub (11), the generator include:
First end cover (14), have be configured to against the stator (11) inner surface (11a) engage circular wall (14a) and
It is configured to the bearing receiving portion (14d) of storage first bearing (16)；The first lid (14) peace with the first bearing (16)
On the axis (13), so that the first bearing (16) is contacted with the first lid (14) and the axis (13)；And
Second end cover (15), has circular wall (15a), and the circular wall is configured to the inner surface against the stator (11)
(11a) engagement；The second end cover has bearing receiving portion (15c), and the bearing receiving portion is configured to the second axis of storage
It holds (17), the second bearing (17) contacts with the second lid (15) and the axis (13).
2. rotary generator according to claim 1, wherein the circular wall (14a) of the first end cover (14) is inner circle
Shape wall.
3. rotary generator according to claim 1, wherein it is described first lid and it is described second lid be tensioned toward each other with
It is closed the generator, first lid and described second are covered to keep in off position during the operation of the machine.
4. rotary generator according to claim 3, wherein the axis has threaded portion, and nut (23) is in the spiral shell
So that first lid and second lid are tensioned toward each other, the nut (23), which is used as, keeps member for fastening on line part
Part, to keep first lid and second lid in off position during the operation of the machine.
5. rotary generator according to claim 3, wherein it is described first lid and it is described second lid by pressure towards that
This tensioning, lock washer keep first lid and second lid in off position during the operation of the machine.
6. rotary generator according to claim 3, wherein compressed spring (26) supports the second bearing at one end
(17) and the other end be attached to the axis (13) washer (27) anchoring.
7. rotary generator according to claim 3, wherein it is described first lid and it is described second lid by pressure towards that
This tensioning, and interference fit during the operation of the machine between the bearing and the axis is so that the first lid and described
Second lid is maintained at closed state.
8. rotary generator according to claim 1, wherein the first end cover (14) has outer stabilizer blade (14c), described
Outer stabilizer blade has the free end for the end face (11b) for being configured to contact the stator (11).
9. rotary generator according to claim 1, wherein the edge of the inner wall (14a) of first lid (14)
Including step portion (14b), the first ora terminalis (11c) of the adjacent stator inner surface (11a) of the step portion；And its
In, the edge of the circular wall (15a) of second lid (15) includes step portion (15b), the adjacent institute of the step portion
State the second ora terminalis (11d) of stator inner surface (11a).
10. rotary generator according to claim 1, wherein the rotor (12) includes close to the stator (11)
The depressed section of the ora terminalis (11c, 11d) of the inner surface (11a), with allow step portion (14b, 15b) with it is described interior
The ora terminalis (11c, 11d) on surface (11a) engages.
11. rotary generator according to claim 1, wherein the first end cover (14) includes for storing stop spiral shell
Follow closely the through-hole (14e) of (18).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762538351P | 2017-07-28 | 2017-07-28 | |
| US62/538,351 | 2017-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109309428A true CN109309428A (en) | 2019-02-05 |
| CN109309428B CN109309428B (en) | 2023-05-02 |
Family
ID=65226070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810846544.8A Active CN109309428B (en) | 2017-07-28 | 2018-07-27 | Rotary generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309428B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036988A (en) * | 2021-03-19 | 2021-06-25 | 江门泛世特科技有限公司 | Novel external bearing motor |
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| CN203326802U (en) * | 2012-04-24 | 2013-12-04 | 日本电产三协株式会社 | Motor with brake |
| CN202772712U (en) * | 2012-07-16 | 2013-03-06 | 佛山市建准电子有限公司 | Motor |
| CN203352353U (en) * | 2013-07-25 | 2013-12-18 | 上海电气集团上海电机厂有限公司 | Bearing structure of double-fed wind-driven generator |
| CN203788077U (en) * | 2014-02-12 | 2014-08-20 | 海顿直线电机(常州)有限公司 | Novel bearing supporting structure of linear stepping motor |
| CN105099055A (en) * | 2014-05-12 | 2015-11-25 | 上海燎慧机电科技有限公司 | Shock-resistant impact-resistant motor and gas nail shooter comprising the shock-resistant impact-resistant motor |
| CN106030105A (en) * | 2014-07-07 | 2016-10-12 | 松下知识产权经营株式会社 | Sealed compressor and refrigeration device using same |
| CN205622411U (en) * | 2015-01-10 | 2016-10-05 | 日本电产株式会社 | Motor and have electronic equipment of this motor |
| CN106560985A (en) * | 2015-10-02 | 2017-04-12 | Weg电子设备有限公司 | Closing System Between Cover And Stator In Motor And Closing Method Used For Rotating Cover And Stator In Motor |
| CN205544732U (en) * | 2016-04-21 | 2016-08-31 | 山东昌邑石化有限公司 | Motor bearing mounting structure |
| CN105811656A (en) * | 2016-04-29 | 2016-07-27 | 广东美的环境电器制造有限公司 | Motor |
| CN105840766A (en) * | 2016-05-25 | 2016-08-10 | 浙江来福谐波传动股份有限公司 | Lightweight harmonic reducer |
| CN205945340U (en) * | 2016-08-03 | 2017-02-08 | 无锡法拉第电机有限公司 | Non - drive end bearing mounting structure of generator |
| CN205901499U (en) * | 2016-08-18 | 2017-01-18 | 全南县超亚科技有限公司 | Ultra -thin motor is used to cell -phone |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036988A (en) * | 2021-03-19 | 2021-06-25 | 江门泛世特科技有限公司 | Novel external bearing motor |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102018015478A2 (en) | 2019-04-16 |
| CN109309428B (en) | 2023-05-02 |
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