CN114665645B - Slotless cylindrical linear motor - Google Patents
Slotless cylindrical linear motor Download PDFInfo
- Publication number
- CN114665645B CN114665645B CN202210356293.1A CN202210356293A CN114665645B CN 114665645 B CN114665645 B CN 114665645B CN 202210356293 A CN202210356293 A CN 202210356293A CN 114665645 B CN114665645 B CN 114665645B
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- Prior art keywords
- rotor
- stator
- magnet
- shaft
- linear motor
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- 239000000498 cooling water Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 14
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
The invention provides a slotless cylindrical linear motor, which comprises a stator and a rotor; the stator comprises a stator shell, a stator shaft, a bearing and a coil; a coil support column and a stator shaft are arranged on the inner side surface of the stator shell; the coil support is provided with a magnet accommodating channel extending along the axial direction and the circumferential direction, and coils are wound on the coil support; the stator shaft is provided with a rotor shaft accommodating channel extending along the axial direction, and the outer ring of the bearing is fixed on the inner wall surface of the rotor shaft accommodating channel; the rotor comprises a rotor shell, a rotor shaft and a magnet; a magnet support column and a rotor shaft are arranged on the inner side surface of the rotor shell, the magnet support column is arranged in the magnet accommodating channel, and a plurality of groups of magnets are arranged on the magnet support column; the rotor shaft is arranged in the rotor shaft accommodating channel and is in sliding connection with the inner ring of the bearing. The invention solves the problems of difficult winding, large positioning force, difficult heat dissipation and the like of the current slotless cylindrical linear motor.
Description
Technical Field
The invention relates to a motor design structure, in particular to a slotless cylindrical linear motor.
Background
The linear motor is a transmission device which directly converts electric energy into linear motion mechanical energy by utilizing an electromagnetic principle without any intermediate conversion mechanism, and can be regarded as a rotary motor which is formed by radially sectioning and generating a plane. Linear motors are also known as linear motors, etc.
The linear motor has many advantages, firstly, the structure is simple, and compared with a rotary motor, the weight and the volume of the linear motor are reduced greatly; secondly, the reaction speed is high, the sensitivity is high, the follow-up performance is good, and the service life is long, because a certain air gap is kept between the rotor and the stator of the linear motor all the time and the rotor and the stator are not contacted, the contact friction resistance between the rotor and the stator is eliminated; and thirdly, the positioning accuracy is high, the linear motor can realize direct transmission during linear motion, and positioning errors caused by intermediate links are eliminated.
The linear motor can be divided into a linear current motor, a linear induction motor, a linear synchronous motor, a linear stepping motor, a linear piezoelectric motor and a linear reluctance motor according to the working principle, and can be divided into a flat plate type, a U-shaped type and a cylindrical type according to the structural form.
The cylindrical linear motor mover moves along a cylinder with a fixed magnetic field, and the coil can be duplicated to increase the stroke, but when the stroke is increased, the unique supporting points are arranged at two ends and are easy to radially deviate, so that the length of the coil is limited because the motor is completely cylindrical and moves up and down along the magnetic rod.
In a linear motor, a rotor is usually made of a magnetic conductive material, and in a frequent reciprocating motion state, the rotor can generate a large amount of heat, so that the permanent magnet is subjected to a permanent magnet loss phenomenon due to overhigh temperature.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a slotless cylindrical linear motor, and aims to solve the problems of difficult winding, large positioning force, difficult heat dissipation and the like of the conventional slotless cylindrical linear motor.
The slotless cylindrical linear motor provided by the invention comprises a stator and a rotor;
the stator comprises a stator shell, a stator shaft, a bearing and a coil; a coil support column and a stator shaft are arranged on the inner side surface of the stator shell; the coil support is provided with a magnet accommodating channel extending along the axial direction and the circumferential direction, and coils are wound on the coil support; the stator shaft is provided with a rotor shaft accommodating channel extending along the axial direction, and the outer ring of the bearing is fixed on the inner wall surface of the rotor shaft accommodating channel;
the rotor comprises a rotor shell, a rotor shaft and a magnet; a magnet support column and a rotor shaft are arranged on the inner side surface of the rotor shell, the magnet support column is arranged in the magnet accommodating channel, and a plurality of groups of magnets are arranged on the magnet support column; the rotor shaft is arranged in the rotor shaft accommodating channel and is in sliding connection with the inner ring of the bearing.
Preferably, the coil support is provided with clamping grooves with equal gaps, and the coil is wound on the coil support through the clamping grooves.
Preferably, the stator housing including the coil support and the stator shaft has a cross section in one direction in a mountain shape.
Preferably, a cooling water passage is formed in the magnet support and the mover housing.
Preferably, the cooling pipe is further included;
the cooling pipes are arranged in the cooling water channels and extend along the length direction of each magnet pillar;
the cooling pipe comprises a cooling water inlet and a cooling water outlet; the cooling water inlet is arranged on one side surface of the rotor housing, and the cooling water outlet is arranged on the other side surface of the rotor housing.
Preferably, gaps are arranged among the groups of magnets on the magnet support posts.
Preferably, the stator housing is laminated by a plurality of silicon steel sheets.
Preferably, a plurality of magnet struts are arranged on the inner side surface of the rotor housing;
the plurality of magnet struts are parallel to each other.
Preferably, the stator shaft and the stator shaft are coaxially arranged.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the stator shell is provided with the clamping groove, so that the problem of difficult coil winding is solved;
2. according to the invention, the stator bearing is connected with the rotor shaft through the bearing, so that the radial displacement of the rotor can be effectively limited, the coil can be duplicated to increase the stroke, the friction between the stator and the rotor is reduced, and the power generation efficiency is improved;
3. the magnets on the rotor of the motor are arranged at certain intervals, and the cooling pipes are arranged in the rotor shell, so that when the motor actually runs, the cooling water takes away a large amount of heat generated by frequent reciprocating motion of the rotor through the cooling pipes, and the phenomenon of loss of magnetism of the magnets due to overhigh temperature is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art. Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of the overall mechanism of a slotless cylindrical linear motor in an embodiment of the present invention.
In the figure: 1-a stator shaft; 2-bearing; 3-stator housing; 4-clamping grooves; 5-coil; 6-magnet; 7-a cooling water outlet; 8-a mover housing; 9-a mover shaft; 10-cooling pipes; 11-cooling water inlet.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for a fixing function or for a circuit communication function.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing embodiments of the invention and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
The invention provides a slotless cylindrical linear motor, which comprises a stator and a rotor;
the stator comprises a stator shell, a stator shaft, a bearing and a coil; a coil support column and a stator shaft are arranged on the inner side surface of the stator shell; the coil support is provided with a magnet accommodating channel extending along the axial direction and the circumferential direction, and coils are wound on the coil support; the stator shaft is provided with a rotor shaft accommodating channel extending along the axial direction, and the outer ring of the bearing is fixed on the inner wall surface of the rotor shaft accommodating channel;
the rotor comprises a rotor shell, a rotor shaft and a magnet 6; a magnet support column and a rotor shaft are arranged on the inner side surface of the rotor shell, the magnet support column is arranged in the magnet accommodating channel, and a plurality of groups of magnets 6 are arranged on the magnet support column; the rotor shaft is arranged in the rotor shaft accommodating channel and is in sliding connection with the inner ring of the bearing.
The foregoing is a core idea of the present invention, and in order that the above-mentioned objects, features and advantages of the present invention can be more clearly understood, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
FIG. 1 is a schematic diagram of the overall mechanism of a slotless cylindrical linear motor according to an embodiment of the present invention, as shown in FIG. 1, the slotless cylindrical linear motor provided by the present invention includes a stator and a mover;
the stator comprises a stator housing 3, a stator shaft 1, a bearing 2 and a coil 5; a coil support column and a stator shaft 1 are arranged on the inner side surface of the stator housing 3; the coil support is provided with a magnet accommodating channel extending along the axial direction and the circumferential direction, and is wound with a coil 5; the stator shaft 1 is provided with a rotor shaft accommodating channel extending along the axial direction, and the outer ring of the bearing 2 is fixed on the inner wall surface of the rotor shaft accommodating channel;
the rotor comprises a rotor shell 8, a rotor shaft 9 and a magnet 6; a magnet support column and a rotor shaft 9 are arranged on the inner side surface of the rotor shell 8, the magnet support column is arranged in the magnet accommodating channel, and a plurality of groups of magnets are arranged on the magnet support column; the mover shaft 9 is disposed in the mover shaft receiving passage and slidably connected with the inner race of the bearing 2.
When the outside combustion chamber of the stator housing 3 provides thrust to the mover shaft 9, the mover shaft 9 can slide in the axial direction of the inner race of the bearing 2.
The stator housing 3 including the coil support and the stator shaft 1 has a cross section in one direction in a mountain shape.
In the embodiment of the invention, the rotor shaft 9 is connected with the stator shaft 1 through the bearing 2, so that good coupling between the stator and the rotor in a forming range is ensured, on one hand, the reduction of the power generation efficiency caused by the movement of the rotor in the vertical direction is prevented, on the other hand, the friction between the stator and the rotor is reduced, and the service life is prolonged. The upper magnet 6 of the rotor is arranged with gaps, and meanwhile, the cooling pipe 10 is arranged in the rotor, which is helpful for heat dissipation in actual operation. The motor has the advantages of simple structure and high power density, and solves the problems of difficult winding, high positioning force and difficult heat dissipation. The stator shaft 1 is connected with the rotor shaft 9 through the bearing 2 to limit the deflection of the rotor in the radial direction, and the coil 5 can be properly duplicated to increase the stroke.
In one embodiment of the present invention, the coil support is provided with clamping grooves 4 with equal gaps, and the coil 5 is wound on the coil support through the clamping grooves 4.
In one embodiment of the present invention, a cooling water channel is formed between the magnet support and the mover housing 8.
A cooling pipe 10 provided in the cooling water passage and extending in a longitudinal direction of each of the magnet posts;
the cooling pipe 10 comprises a cooling water inlet 11 and a cooling water outlet 7; the cooling water inlet 11 is provided on one side of the mover housing 8, and the cooling water outlet 7 is provided on the other side of the mover housing 8.
In one embodiment of the invention, there are gaps between groups of magnets 6 on the magnet support posts. The stator housing 3 is formed by laminating a plurality of silicon steel sheets.
When the slotless cylindrical linear motor provided by the invention operates, due to the connection of the rotor shaft 9 and the bearing 2, the rotor group moves along the circumferential direction of the bearing 2, so that radial movement when the frequency is overlarge is avoided, the cooling pipe is positioned in the rotor shell 8 and is close to the magnet 6, cooling water flows in from the cooling water inlet 11 and flows out from the cooling water outlet 7 through the cooling pipe 10, and heat generated by reciprocating movement of the rotor is taken away.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (7)
1. A slotless cylindrical linear motor is characterized by comprising a stator and a rotor;
the stator comprises a stator shell, a stator shaft, a bearing and a coil; a coil support column and a stator shaft are arranged on the inner side surface of the stator shell; the coil support is provided with a magnet accommodating channel extending along the axial direction and the circumferential direction, and coils are wound on the coil support; the stator shaft is provided with a rotor shaft accommodating channel extending along the axial direction, and the outer ring of the bearing is fixed on the inner wall surface of the rotor shaft accommodating channel;
the rotor comprises a rotor shell, a rotor shaft and a magnet; a magnet support column and a rotor shaft are arranged on the inner side surface of the rotor shell, the magnet support column is arranged in the magnet accommodating channel, and a plurality of groups of magnets are arranged on the magnet support column; the rotor shaft is arranged in the rotor shaft accommodating channel and is in sliding connection with the inner ring of the bearing;
a cooling water channel is formed in the magnet support column and the rotor shell;
the cooling pipe is also included;
the cooling pipes are arranged in the cooling water channels and extend along the length direction of each magnet pillar;
the cooling pipe comprises a cooling water inlet and a cooling water outlet; the cooling water inlet is arranged on one side surface of the rotor housing, and the cooling water outlet is arranged on the other side surface of the rotor housing.
2. The slotless cylindrical linear motor according to claim 1, wherein the coil support is provided with equally spaced clamping grooves, and the coil is wound around the coil support through the clamping grooves.
3. The slotless cylindrical linear motor according to claim 1, wherein the stator housing including the coil support and the stator shaft has a mountain-shaped cross section in one direction.
4. The slotless cylindrical linear motor according to claim 1, wherein the plurality of sets of magnets on the magnet support posts have gaps therebetween.
5. The slotless cylindrical linear motor according to claim 1, wherein the stator housing is laminated by a plurality of silicon steel sheets.
6. The slotless cylindrical linear motor according to claim 1, wherein a plurality of magnet posts are provided on an inner side surface of the mover housing;
the plurality of magnet struts are parallel to each other.
7. The slotless cylindrical linear motor according to claim 1, wherein the stator shaft and the mover shaft are coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210356293.1A CN114665645B (en) | 2022-04-06 | 2022-04-06 | Slotless cylindrical linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210356293.1A CN114665645B (en) | 2022-04-06 | 2022-04-06 | Slotless cylindrical linear motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114665645A CN114665645A (en) | 2022-06-24 |
| CN114665645B true CN114665645B (en) | 2024-01-23 |
Family
ID=82035414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210356293.1A Active CN114665645B (en) | 2022-04-06 | 2022-04-06 | Slotless cylindrical linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114665645B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008061458A (en) * | 2006-09-01 | 2008-03-13 | Fuji Mach Mfg Co Ltd | Cylindrical linear motor |
| WO2009041185A1 (en) * | 2007-09-25 | 2009-04-02 | Kabushiki Kaisha Yaskawa Denki | Cylindrical linear motor, and its stator manufacturing method |
| CN101621244A (en) * | 2009-08-14 | 2010-01-06 | 华中科技大学 | Moving-magnetic type linear motor |
| CN101969260A (en) * | 2010-08-31 | 2011-02-09 | 深圳市大族激光科技股份有限公司 | Cylindrical submersible linear motor and submersible linear pumping unit |
| CN103427587A (en) * | 2013-08-07 | 2013-12-04 | 天津市腾冠电机制造有限公司 | High-thrust tubular linear motor |
| CN203589996U (en) * | 2013-11-20 | 2014-05-07 | 东南大学 | Linear reciprocating oscillation motor with high power factor |
| CN104811008A (en) * | 2015-05-26 | 2015-07-29 | 哈尔滨工业大学 | Cylindrical permanent magnet flux-switching linear oscillation motor |
| CN106849573A (en) * | 2017-03-30 | 2017-06-13 | 哈尔滨工业大学 | Double acting sub- double winding cylindrical linear generator based on magnetic field modulation principle |
| CN108233668A (en) * | 2018-02-22 | 2018-06-29 | 方舟 | A kind of moving-magnetic type linear motor |
| CN108462358A (en) * | 2018-05-10 | 2018-08-28 | 哈尔滨理工大学 | A kind of cylinder type bimorph transducer salient pole permanent-magnet linear motor based on halbach arrays |
| CN110571980A (en) * | 2019-09-25 | 2019-12-13 | 苏州泰科贝尔直驱电机有限公司 | Double dynamical water cooled machine |
-
2022
- 2022-04-06 CN CN202210356293.1A patent/CN114665645B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008061458A (en) * | 2006-09-01 | 2008-03-13 | Fuji Mach Mfg Co Ltd | Cylindrical linear motor |
| WO2009041185A1 (en) * | 2007-09-25 | 2009-04-02 | Kabushiki Kaisha Yaskawa Denki | Cylindrical linear motor, and its stator manufacturing method |
| CN101621244A (en) * | 2009-08-14 | 2010-01-06 | 华中科技大学 | Moving-magnetic type linear motor |
| CN101969260A (en) * | 2010-08-31 | 2011-02-09 | 深圳市大族激光科技股份有限公司 | Cylindrical submersible linear motor and submersible linear pumping unit |
| CN103427587A (en) * | 2013-08-07 | 2013-12-04 | 天津市腾冠电机制造有限公司 | High-thrust tubular linear motor |
| CN203589996U (en) * | 2013-11-20 | 2014-05-07 | 东南大学 | Linear reciprocating oscillation motor with high power factor |
| CN104811008A (en) * | 2015-05-26 | 2015-07-29 | 哈尔滨工业大学 | Cylindrical permanent magnet flux-switching linear oscillation motor |
| CN106849573A (en) * | 2017-03-30 | 2017-06-13 | 哈尔滨工业大学 | Double acting sub- double winding cylindrical linear generator based on magnetic field modulation principle |
| CN108233668A (en) * | 2018-02-22 | 2018-06-29 | 方舟 | A kind of moving-magnetic type linear motor |
| CN108462358A (en) * | 2018-05-10 | 2018-08-28 | 哈尔滨理工大学 | A kind of cylinder type bimorph transducer salient pole permanent-magnet linear motor based on halbach arrays |
| CN110571980A (en) * | 2019-09-25 | 2019-12-13 | 苏州泰科贝尔直驱电机有限公司 | Double dynamical water cooled machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114665645A (en) | 2022-06-24 |
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