CN203813638U - Rotary electric machine - Google Patents
Rotary electric machine Download PDFInfo
- Publication number
- CN203813638U CN203813638U CN201420111335.6U CN201420111335U CN203813638U CN 203813638 U CN203813638 U CN 203813638U CN 201420111335 U CN201420111335 U CN 201420111335U CN 203813638 U CN203813638 U CN 203813638U
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- stator
- bearing
- rotor
- inner space
- rotating machine
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Abstract
A rotary electric machine is provided, adhesion of dust or dirt or the like is prevented and high resolution is ensured, so that a rotation direction position of a rotor can be detected with high precision. The rotary electric machine is provided with a stator (13); the rotor (21) oppositely configured at the inner side of the stator (13) in the radial direction across a magnetic gap (2); a rotary cover (22) which is connected with the rotor (21) and covers an end portion of an upper side of the stator (13) in the axial direction, a specified inner space (4) being formed between the rotary cover (22) and the stator (13); a rotary disc (28) disposed in the inner space (4) in a manner of rotating along with rotation of the rotary cover (22); and a detection portion (18) disposed in a housing (11) and used for performing optical detection or magnetic detection for the position of the rotary disc (28).
Description
Technical field
The disclosed execution mode of the utility model relates to electric rotating machine.
Background technology
The known electric rotating machine with stator, rotor and housing, described housing is built-in with these stators and rotor.For example, in the electric rotating machine of recording at patent documentation 1, the axle of fixed rotor is projected into the outside of above-mentioned housing, is provided with roughly discoideus rotating disk at this protuberance.By position transducer, the scale of being located at this rotating disk is detected, detect the direction of rotation position of above-mentioned rotor.
In addition, in the electric rotating machine that for example patent documentation 2 is recorded, be configured to the so-called inner-rotor type that is provided with rotor at the radially inner side of stator.There are multiple magnets in outer radial periphery portion at rotor along circumferential array, utilizes the Hall element of being located at stator to detect these multiple magnets.
Patent document 1: TOHKEMY 2007-178235 communique
Patent documentation 2: Japanese Patent Publication 5-25973 communique
In the prior art of recording at above-mentioned patent documentation 1, as mentioned above, be provided with rotating disk in the outside of housing, in the inside of described housing, arranged opposite has stator and rotor.Thus, rotating disk can be formed as to larger diameter, therefore can for example at dish peripheral part, multiple groove gaps etc. be set, guarantee high resolution.But, because rotating disk exposes and is exposed in surrounding environment in outside, so likely owing to causing accuracy of detection to reduce adhering to of dust or dust etc.
In addition, in the prior art of recording at above-mentioned patent documentation 2, be inner-rotor type, stator is present in the radial outside of rotor, therefore on the external diameter of rotor, has restriction, is formed as smaller diameter.Its result is that the girth of rotor is shorter, is therefore difficult to, at the peripheral part of rotor, many magnets are set and guarantees high-resolution, causes accuracy of detection to reduce.And, for disposing dustproof in the housing of rotor and stator, consider not especially, be attached to Hall element at the dust or the dust etc. that invade in shell, likely cause thus accuracy of detection to reduce.
Utility model content
The utility model completes in view of such problem points just, and its object is to provide a kind of electric rotating machine, and this electric rotating machine, by preventing adhering to and guaranteeing high-resolution of dust or dust etc., can detect the direction of rotation position of rotor accurately.
In order to solve above-mentioned problem, according to a viewpoint of the present utility model, it is characterized in that, described electric rotating machine has: stator; Rotor, it is the radially inner side at described stator across magnetic gap arranged opposite; Cover, it links with described rotor and covers the end of an axial side of described stator, at described cover and described stator or be fixed on the inner space that between the fixed part of this stator, formation specifies; Detected parts, it is located in described inner space in the mode of rotating together along with the rotation of described cover or is arranged in the face of described inner space; And test section, it is located at described stator or described fixed part, and optical detection or magnetic detection are carried out in the position of described detected parts.
In described electric rotating machine, it is characterized in that, described detected parts are detected dishes that the mode radially to extend in the described inner space of the axial opposite side of described cover is located at the radial outside of described rotor, described test section is located at described stator or described fixed part in the mode in the face of described inner space, and optical detection is carried out in the position of described detected dish.
In described electric rotating machine, it is characterized in that, described cover possesses: flat part, it radially extends setting; And cylindrical portion, its with cover described stator side radial outside mode from described flat part along described in extend axially setting, and, the dustproof path that is formed with the regulation being communicated with the outer radial periphery portion of described inner space between described cylindrical portion and described stator or described fixed part, described detected dish possesses the outside dimension equating with the external diameter of described flat part.
In described electric rotating machine, it is characterized in that, described detected parts are the multiple magnets along circumferential multiple positions to be separately positioned on described cover in the face of the mode of described inner space, described test section to be can be located at described stator or described fixed part with the opposed mode of described magnet in described inner space, and magnetic detection is carried out in the position of described magnet.
In described electric rotating machine, it is characterized in that, described cover possesses: flat part, it radially extends setting; And cylindrical portion, its with cover described stator side radial outside mode from described flat part along described in extend axially setting, and, between described cylindrical portion and described stator or described fixed part, be formed with the dustproof path of the regulation being communicated with the outer radial periphery portion of described inner space, described multiple magnet is located at the position of the inner circumferential side of described cylindrical portion, and described test section is to be located at described stator or described fixed part towards radial outside and the opposed mode of described magnet.
In described electric rotating machine, it is characterized in that, described electric rotating machine also has: bearing, its by described rotor bearing for rotating; And basic courses department, it fixes bearing described at least one, described rotor possess from a described axial side and axially opposite side clamp and fix described in the bearing fixed part of at least one bearing.
In described electric rotating machine, it is characterized in that, described basic courses department is fixed with respectively the 1st bearing of a described axial side and the 2nd bearing of described axial opposite side, and described bearing fixed part possesses: the 1st parts, it is from fixing described the 1st bearing of a described axial side; With the 2nd parts that link with described the 1st parts, it is from fixing described the 2nd bearing of described axial opposite side, and possesses and the opposed permanent magnet of radially inner side of described stator at radial outside.
Utility model effect
According to electric rotating machine of the present utility model, by preventing adhering to and guaranteeing high-resolution of dust or dust etc., can detect accurately the direction of rotation position of rotor.
Brief description of the drawings
Fig. 1 is the integrally-built longitudinal section that represents the electric rotating machine of execution mode.
Fig. 2 is the stereogram of observing rotary cover and annular boss from rear side.
Fig. 3 is the amplification view of the major part of Fig. 1.
Fig. 4 is the integrally-built longitudinal section that represents to utilize the electric rotating machine of the variation that magnetic coder mode detects.
Fig. 5 is the stereogram of observing rotary cover from rear side.
Fig. 6 is the amplification view of the major part of Fig. 4.
Label declaration
1: electric rotating machine;
2: magnetic gap;
4: inner space;
10: fixed part;
11: housing;
12: basic courses department;
13: stator;
14: bearing;
15: laminated iron core;
16: armature coil;
17: barricade;
18: test section;
20: rotating part;
21: rotor;
22: rotary cover (cover);
22b: flat part;
22c: cylindrical portion;
23: output shaft;
24: rotation side accessory;
25: permanent magnet;
28: rotating disk (detected dish, detected parts);
38S, 38N: magnetized portion (magnet, detected parts).
Embodiment
Below, with reference to accompanying drawing, disclosed execution mode is described.
The summary > of < electric rotating machine
First, use Fig. 1, the structure of the electric rotating machine 1 to present embodiment describes.As shown in Figure 1, electric rotating machine 1 is the direct driving motor (following, to be called DD motor) that possesses the inner-rotor type of fixed part 10 and rotating part 20, possesses rotating part 20 in the inner side of fixed part 10.
< fixed part >
The housing 11(that fixed part 10 has general cylindrical shape shape is equivalent to fixed part), basic courses department 12,13 and 2 bearings 14,14 of stator.In addition, bearing 14 is not limited to 2, as long as 1 above.Between 2 bearings 14,14, dispose inside and outside two-layer liner 14A, 14B.The liner 14A of inner circumferential side becomes fixation side, and the liner 14B of outer circumferential side becomes rotation side, and liner 14A, 14B become the positioning element of the inner side of 2 bearings 14,14.
Housing 11 is received the most structure member that electric rotating machine 1 possesses therein.
Basic courses department 12 possesses base portion 12a and fixing axial region 12b integratedly.Base portion 12a possesses the roughly equal circular plate shape of external diameter of external diameter and housing 11.Axial opposite side (downside in Fig. 1 in base portion 12a closure casing 11.Same below) openend.Fixing axial region 12b possesses from the radial center of base portion 12a to an axial side (upside Fig. 1.Same below) shape of outstanding hollow tubular., fixing axial region 12b connects the radial center position of housing 11.Outstanding distolateral (upside in Fig. 1) at fixing axial region 12b is provided with fixation side accessory 19.Fixation side accessory 19 is formed as heavy wall in the outside of a side bearing 14, and clamps a side bearing 14 with the liner 14A of inner circumferential side.
Stator 13 possesses: laminated iron core 15, and it is disposed at the inner peripheral surface of housing 11; With armature coil 16, its winding is arranged at this laminated iron core 15.Armature coil 16 is provided with multiple along the mode of circumferential array at laminated iron core 15 with the inner peripheral surface at housing 11.
< rotating part >
Rotating part 20 has rotary cover 22 and rotor 21, and this rotor 21 is the radially inner side at stator 13 across magnetic gap 2 arranged opposite.In addition, after, rotary cover 22 is described.
< rotor >
Rotor 21 has output shaft 23, rotation side accessory 24 and is disposed at the permanent magnet 25 of the radial outside of output shaft 23.In addition, after, rotary cover 22 and rotating disk 28 are described.
Output shaft 23 entirety are configured to general hollow tubulose, and the end of the upside in Fig. 1 is formed with flange part 23a.Rotation side accessory 24 is configured between the outer peripheral face of above-mentioned fixation side accessory 19 and the inner peripheral surface of output shaft 23.And output shaft 23 is arranged in the state of the open end side (Fig. 1 upside) of shell 11 with flange part 23a, be linked to rotation side accessory 24 by bolt 26.Thus, the combination of output shaft 23 and rotation side accessory 24 is by bearing 14,14, and (being axially limited also) is supported on fixing axial region 12b in the mode that can rotate.In addition, rotation side accessory 24 is equivalent to the 1st bearing as (upside Fig. 1) the bearing 14(from an above-mentioned axial side fixed party) the 1st parts performance function.And output shaft 23 is equivalent to the 2nd bearing as (downside Fig. 1) the bearing 14(from above-mentioned axial opposite side fixing the opposing party) and possess and the 2nd parts performance function of the opposed permanent magnet 25 of radially inner side of stator 13 at radial outside.
At the outer peripheral face of output shaft 23 to be provided with multiple permanent magnets 25 along the mode of circumferential array.And permanent magnet 25 is configured to, to separate diametrically magnetic gap 2 opposite with the laminated iron core 15 of stator 13.
In addition, in said structure, in this example, the above-mentioned output shaft 23 in rotor 21 and above-mentioned rotation side accessory 24 form from an axial side and axial opposite side is clamped and the bearing fixed part of rigid bearing 14,14.For example, and then in the time of the manufacture of electric rotating machine 1,, to clamp the mode assemble rotor 21 of 2 bearings 14,14, described rotor 21 possesses the above-mentioned bearing fixed part being made up of output shaft 23 and rotation side accessory 24.Then, be built-in with the housing 11 of stator 13 in basic courses department's 12 assemblings.And then, last, in an axial side (upside in Fig. 1) of rotor 21, rotary cover 22 and rotating disk 28(aftermentioned are installed).
The summary > of < spinning movement
In said structure, supply with electric power by the multiple armature coils 16 to stator 13, produce alternating magnetic field in the inside of housing 11.And then the permanent magnet 25 of rotor 21 is subject to gravitation and the repulsion that these alternating magnetic fields produce, and produces torque thus at output shaft 23, thus rotating part 20 integral-rotations.
< rotary cover and rotating disk >
Be linked with rotary cover 22 at rotor 21, with the end of the axial side (upside in Fig. 1) of covering stator 13.As Fig. 2, Fig. 3 and as described in as shown in Fig. 1, rotary cover 22 is that entirety is the roughly plectane parts of bagel shape (ring-type), and at rotary cover 22 and housing 11(or can be also stator 13) between, be formed with inner space 4.Rotary cover 22 utilizes such as not shown bolt etc. to be installed on the flange part 23a of output shaft 23.Thus, rotary cover 22 is configured to, the openend of an above-mentioned axial side (upside in Fig. 1 and Fig. 3) of covering shell 11.And, between the bottom surface of the above-mentioned axial opposite side (downside in Fig. 1 and Fig. 3) of rotary cover 22 and the armature coil 16 of stator 13, be provided with gap 3.
Rotary cover 22 possesses: flat part 22b, and it is along extending and arrange with above-mentioned axial orthogonal radially (left and right directions in Fig. 1, Fig. 3); With cylindrical portion 22c, be integrally formed in the periphery of flat part 22b.Radial center portion at flat part 22b is formed with opening 22a, and described opening 22a is outstanding for the above-mentioned axial side end for above-mentioned output shaft 23.And it is not shown in Fig. 2 that flat part 22b is formed with bolt hole 22d(.With reference to Fig. 5 described later), described bolt hole 22d is for utilizing not shown bolt flat part 22b to be installed on to the flange part 23a of output shaft 23.Cylindrical portion 22c extends setting in the mode of the radial outside of covering shell 11 vertically from flat part 22b.And, at cylindrical portion 22c and housing 11(or can be also stator 13) between be formed with the dustproof path 100 of the regulation being communicated with the outer radial periphery portion of above-mentioned inner space 4.
Now, at flange part 23a, annular boss 27 is installed, this annular boss 27 and above-mentioned rotary cover 22 leave in the axial direction.Annular boss 27 is formed with bolt hole 27a, and described bolt hole 27a is for utilizing not shown bolt that annular boss 27 is installed to flange part 23a(with reference to Fig. 2).And via this annular boss 27, rotating disk 28(is equivalent to detected dish, detected parts) be supported on the flange part 23a of output shaft 23.Thus, rotating disk 28 rotation together along with the rotation of rotary cover 22 or rotor 21.
That is, rotating disk 28 is at the inner space of the above-mentioned axial opposite side of rotary cover 22 4(or in the mode towards inner space 4), radially extend and be located at the radial outside of rotor 21.And, possess coding pattern groove gap (the encoder pattern slit) 28a(forming at complete cycle along direction of rotation at the back side of this rotating disk 28 with reference to Fig. 2).In addition, in this example, coding pattern groove gap 28a is formed as non-through recessed groove gap.And the external diameter of rotating disk 28 is formed as the size roughly the same with the external diameter of flat part 22b.
Now, as shown in Figure 3, at the opposing party's's (upside in Fig. 1 in figure) of housing 11 openend, to dispose test section 18 with the opposed mode of rotating disk 28.In this example, test section 18 is the optical position detecting sensors that are made up of light-emitting component and photo detector of the position of rotating disk 28 being carried out to optical detection.By test section 18, rotating disk 28 is carried out to optical detection, can detect the direction of rotation position of rotor 21.Test section 18 is supported on housing 11(by the support unit 17 of arm shape (or tabular) or can is also stator 13).In other words, test section 18 and rotating disk 28 are located at respectively support unit 17 and output shaft 23 in the mode in face inside space 4.
As described above, in the electric rotating machine 1 of present embodiment, stator 13 and rotor 21 arranged opposite, link and arrange with rotor 21 for carrying out dustproof rotary cover 22.At this rotary cover 22 and stator 13(or housing 11) between, inner space 4 formed.And, be provided with rotating disk 28 at the radial outside of rotor 21.By test section 18, this rotating disk 28 is carried out to optical detection, can detect the direction of rotation position of rotor.
Now, rotary cover 22 is arranged to the end of an above-mentioned axial side of covering stator 13, therefore the external diameter of rotary cover 22 can be formed as to larger diameter and can not be subject to the restriction of stator 13.Its result is the above-mentioned inner space 4 in rotary cover 22 can be formed as to radially larger size.Therefore, the external diameter of the above-mentioned rotating disk 28 configuring in the mode of radially extending can be formed as to larger diameter in this inner space 4.Thus, can the groove gap quantity of coding pattern groove gap 28a of the rotating disk 28 of being located at this large footpath be formed morely, therefore can easily guarantee high-resolution.Its result is to detect accurately the direction of rotation position of rotor 21.And now, test section 18 is rotated the detection of dish 28 in can the inner space 4 in rotary cover 22 and is not exposed in surrounding environment, therefore can be because adhering to of dust or dust etc. reduced accuracy of detection.Thus, according to present embodiment, by preventing adhering to and guaranteeing high-resolution of dust or dust etc., can detect accurately the direction of rotation position of rotor 21.
And in the present embodiment especially, rotary cover 22 is made up of flat part 22b and cylindrical portion 22c, thus, flat part 22b and rotating disk 28 are formed as almost parallel (with reference to Fig. 3).Thus, the outside dimension of rotating disk 28 is formed as to the large footpath roughly the same with flat part 22b, can obtains reliably as described above high-resolution.And, by the mode to be communicated with the peripheral part of inner space 4 at cylindrical portion 22c and stator 13(or housing 11) between form dustproof path 100, can realize more reliably the dustproof of inner space 4.
And, in the present embodiment especially, as mentioned above, in the time of the manufacture of electric rotating machine 1, rotating disk 28 and rotary cover 22 are installed in last operation.Thus, even at the initial setting of the detection for test section 18 with use resetting and need the location and various adjustment of rotating disk 28 after starting, do not unload the basic courses department 12 that assembled, bearing 14, bearing fixed part (combination of output shaft 23 and rotation side accessory 24), rotor 21, housing 11 etc. before the installation procedure of these rotating disks 28 and rotary cover 22, just can position simply and various adjustment.
And in present embodiment especially, rotation side accessory 24 is from the bearing 14 of an above-mentioned axial side fixing one side, and output shaft 23 is from the bearing 14 of above-mentioned axial opposite side fixing other side.And these output shafts 23 and rotation side accessory 24 are connected to each other, form the above-mentioned bearing fixed part of rotor 21.Thus, rotor 21 can easily and reliably be realized by above-mentioned 2 bearings 14,14 and be supported to the structure that can rotate with respect to basic courses department 12.
In addition, disclosed execution mode is not limited to said structure, in the scope that does not depart from its purport and technological thought, can carry out various distortion.Below, such variation is described.
The situation > that < utilizes magnetic coder mode to detect
Also can replace to carry out the mode of magnetic detection the optical detection of the coding pattern groove gap 28a of above-mentioned execution mode.Utilize Fig. 4～Fig. 6 to describe such variation.In addition, the part being equal to above-mentioned execution mode is marked with to same label, and suitably omits or simplified illustration.
As shown in the Fig. 4 and Fig. 6 corresponding with above-mentioned Fig. 1 and Fig. 3, in this variation, annular boss 27 and rotating disk 28 in above-mentioned execution mode are omitted.And, in the cylindrical portion 22c of rotary cover 22, in the mode in face inside space 4, be provided with multiple (being in this example 14) magnetized portion 38S, 38N(and be equivalent to magnet, detected parts), described multiple magnetized portion 38S, 38N are along being circumferentially arranged at respectively multiple positions.Magnetized portion 38S is taking radially inner side as the S utmost point and radial outside is region that the mode of the N utmost point is magnetized in advance.Magnetized portion 38N is taking radially inner side as the N utmost point and radial outside is region that the mode of the S utmost point is magnetized in advance.These magnetized portion 38S and magnetized portion 38N are along being circumferentially arranged alternately (with reference to Fig. 5).
And test section 18 is at housing 11(or can is also stator 13) the Hall element that arranges of a circumferential position, this Hall element is arranged in can be opposite with above-mentioned magnetized portion 38S, 38N in inner space 4.In this example, test section 18 is to be located at housing 11(or stator 13 towards radial outside and the opposed mode of magnetized portion 38S, 38N).Test section 18, by above-mentioned magnetized portion 38S, 38N are carried out to magnetic detection, can detect the direction of rotation position of rotor 21.
In the present embodiment, also can obtain the effect identical with above-mentioned execution mode.That is, the external diameter of rotary cover 22 can be formed as to larger diameter and can not be subject to the restriction of stator 13, therefore can the quantity of the magnetized portion 38S of configuration, 38N be formed morely (in above-mentioned example, being 14).Thus, can easily guarantee high-resolution, therefore can detect accurately the direction of rotation position of rotor 21.And now, test section 18 can carry out the detection of magnetized portion 38S, 38N and not be exposed in surrounding environment in the inner space 4 in rotary cover 22, therefore can be because adhering to of dust or dust etc. reduced accuracy of detection.Thus, according to present embodiment, by preventing adhering to and guaranteeing high-resolution of dust or dust etc., can detect accurately the direction of rotation position of rotor 21.
In addition, the above example that is the situation of motor to electric rotating machine 1 is illustrated, and is not motor but the situation of generator but also can be applied in.
Except having illustrated above, also can appropriately combined above-mentioned execution mode and the method for variation utilize.
In addition,, though do not illustrate for example one by one, above-mentioned execution mode and variation, not departing from the scope of its purport, can apply various changes and implement.
Claims (7)
1. an electric rotating machine, is characterized in that, described electric rotating machine has:
Stator;
Rotor, it is the radially inner side at described stator across magnetic gap arranged opposite;
Cover, it links with described rotor and covers the end of an axial side of described stator, at described cover and described stator or fix the inner space that between the fixed part of this stator, formation specifies;
Detected parts, it is located in described inner space in the mode of rotating together along with the rotation of described cover or is arranged in the face of described inner space; And
Test section, it is located at described stator or described fixed part, and optical detection or magnetic detection are carried out in the position of described detected parts.
2. electric rotating machine according to claim 1, is characterized in that,
Described detected parts are detected dishes that the mode radially to extend in the described inner space of the axial opposite side of described cover is located at the radial outside of described rotor,
Described test section is located at described stator or described fixed part in the mode in the face of described inner space, and optical detection is carried out in the position of described detected dish.
3. electric rotating machine according to claim 2, is characterized in that,
Described cover possesses:
Flat part, it radially extends setting; With
Cylindrical portion, its with cover described stator side radial outside mode from described flat part along described in extend axially setting, and, between described cylindrical portion and described stator or described fixed part, be formed with the dustproof path of the regulation being communicated with the outer radial periphery portion of described inner space
Described detected dish possesses the outside dimension equating with the external diameter of described flat part.
4. electric rotating machine according to claim 1, is characterized in that,
Described detected parts are the multiple magnets along circumferential multiple positions to be separately positioned on described cover in the face of the mode of described inner space,
Described test section to be can be located at described stator or described fixed part with the opposed mode of described magnet in described inner space, and magnetic detection is carried out in the position of described magnet.
5. electric rotating machine according to claim 4, is characterized in that,
Described cover possesses:
Flat part, it radially extends setting; With
Cylindrical portion, its with cover described stator side radial outside mode from described flat part along described in extend axially setting, and, between described cylindrical portion and described stator or described fixed part, be formed with the dustproof path of the regulation being communicated with the outer radial periphery portion of described inner space
Described multiple magnet is located at the position of the inner circumferential side of described cylindrical portion,
Described test section is to be located at described stator or described fixed part towards radial outside and the opposed mode of described magnet.
6. according to the electric rotating machine described in any one in claim 1 to 5, it is characterized in that,
Described electric rotating machine also has:
Bearing, its by described rotor bearing for rotating; With
Basic courses department, it fixes bearing described at least one,
Described rotor possesses the bearing fixed part of clamping and fix described at least one bearing from a described axial side and axial opposite side.
7. electric rotating machine according to claim 6, is characterized in that,
Described basic courses department is fixed with respectively the 1st bearing of a described axial side and the 2nd bearing of described axial opposite side,
Described bearing fixed part possesses:
The 1st parts, it is from fixing described the 1st bearing of a described axial side; With
With the 2nd parts that described the 1st parts link, it is from fixing described the 2nd bearing of described axial opposite side, and possesses and the opposed permanent magnet of radially inner side of described stator at radial outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-051645 | 2013-03-14 | ||
| JP2013051645A JP2014180108A (en) | 2013-03-14 | 2013-03-14 | Dynamo-electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813638U true CN203813638U (en) | 2014-09-03 |
Family
ID=51452337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420111335.6U Expired - Fee Related CN203813638U (en) | 2013-03-14 | 2014-03-12 | Rotary electric machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014180108A (en) |
| CN (1) | CN203813638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227779A1 (en) * | 2018-05-31 | 2019-12-05 | 深圳市大疆创新科技有限公司 | Holder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7388231B2 (en) * | 2020-02-17 | 2023-11-29 | 日本精工株式会社 | Electric motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61262049A (en) * | 1985-05-15 | 1986-11-20 | Matsushita Electric Ind Co Ltd | Motor with position detector |
| JPH08168210A (en) * | 1994-12-12 | 1996-06-25 | Olympus Optical Co Ltd | Encoder unit, control motor, and assembly of control motor |
| JP4103018B2 (en) * | 1998-09-02 | 2008-06-18 | 株式会社安川電機 | Servomotor |
| JP5253044B2 (en) * | 2008-08-29 | 2013-07-31 | キヤノン株式会社 | Motor with encoder and positioning device |
-
2013
- 2013-03-14 JP JP2013051645A patent/JP2014180108A/en active Pending
-
2014
- 2014-03-12 CN CN201420111335.6U patent/CN203813638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227779A1 (en) * | 2018-05-31 | 2019-12-05 | 深圳市大疆创新科技有限公司 | Holder |
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| Publication number | Publication date |
|---|---|
| JP2014180108A (en) | 2014-09-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170312 |