CN209358414U - Linear motor and compressor - Google Patents
Linear motor and compressor Download PDFInfo
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- CN209358414U CN209358414U CN201920051352.8U CN201920051352U CN209358414U CN 209358414 U CN209358414 U CN 209358414U CN 201920051352 U CN201920051352 U CN 201920051352U CN 209358414 U CN209358414 U CN 209358414U
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Abstract
This application discloses a kind of linear motor and compressor, the linear motor includes stator and the mover that is axially movable, and the stator is arranged on the outside of the mover and is wrapped circumferentially around the mover；The mover includes cylindrical support construction and at least one set of multiple mover magnets along arrangement in support construction one week, the magnetic direction that the mover magnet generates is radially consistent with the support construction, and the opposite mover magnet of magnetic direction is generated in every group of multiple mover magnets and is sequentially arranged at intervals；The stator includes stator core, and the stator core medial surface forms multiple stator tooths corresponding with the mover magnet, and coil windings are arranged on the stator tooth, for generating and the radially consistent magnetic field of the cylinder.The mover of linear motor provided by the embodiment of the present application has the characteristics that uniform force.
Description
Technical field
This application involves actuation techniques fields, in particular to a kind of linear motor and compressor.
Background technique
Linear motor has the characteristics that energy saving, and linear motor generally comprises cylinder and two kinds of slot type.Wherein, cylinder
The linear motor of shape includes cylindrical mover, inner stator cylindrical on the inside of mover is arranged in and is arranged one week on the outside of mover
Stator core, coil windings are provided between stator core and mover.The magnetic field that winding coil winding generates is in stator core
Closed circuit is formed between inner stator, and mover is driven to move in a straight line.
In the structure of common cylindrical linear motor, stator core is by many sheet magnetic conductors with recessed arc-shaped side
The multiple portions of tinertoy are constituted.Wherein, in each part of stator core, recessed arc-shaped side needs tinertoy to form a recessed arc
Shape face, the arcwall face for then making the various pieces of stator core recessed again is consistent with same cylinder, and makes each portion of stator core
Divide and radially distributes around the cylinder.In slot type linear motor existing in the prior art, a kind of structure is setting two
Coil windings are arranged on stator core for opposite E type stator core, and setting is parallel with the direction of motion between two stator cores
Mover.
These existing linear motors, there are various problems such as unbalance stress when manufacture and operation.
Utility model content
In order to overcome at least one above-mentioned deficiency in the prior art, the application's is designed to provide a kind of straight-line electric
Machine, the linear motor include stator and the mover that is axially movable, and the stator is arranged on the outside of the mover and circumferentially wraps
Wrap up in the mover；
The mover includes the multiple mover magnets of cylindrical support construction and at least one set along arrangement in support construction one week,
The magnetic direction that the mover magnet generates is radially consistent with the support construction, produces in every group of multiple mover magnets
The opposite mover magnet of magnetisation field direction is sequentially arranged at intervals；
The stator includes stator core, and the stator core medial surface forms multiple corresponding fixed with the mover magnet
Coil windings are arranged on the stator tooth in sub- tooth, for generating and the radially consistent magnetic field of the support construction.
Optionally, and in mover magnet described in same group, the mover magnet for generating two adjacent incorgruous magnetic fields is right respectively
The coil windings answered are opposite in the magnetic direction that synchronization generates.
Optionally, the end of the stator tooth forms cylinder.
Optionally, the stator core is formed by multiple sheet magnetic conductor tinertoys, extends shape on the inside of the sheet magnetic conductor
At convex block, the convex block end of each sheet magnetic conductor forms the cylinder on the inside of stator core, each sheet magnetic conductor
Corresponding convex block forms the stator tooth.
Optionally, location structure is provided on the stator tooth, the location structure is for limiting the coil windings
Position.
Optionally, in stator described in every group, the interval between two adjacent stator tooths is identical.
Optionally, the mover magnet has a multiple groups, between two groups of adjacent mover magnets, on same motion path
The magnetic direction that mover magnet generates is opposite.
Optionally, the mover magnet is arranged in the support construction outer surface.
Optionally, the linear motor further includes resonant springs, the vibration frequency of the resonant springs and the straight-line electric
The vibration frequency of machine is consistent.
The another object of the application is to provide a kind of compressor, and the compressor includes pressure texture and any of the above item
The dynamic connection of the linear motor, the linear motor and the pressure texture.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of completely new linear motor and compressor, which includes mover and stator,
The wherein at least one set of multiple mover magnets of mover setting in one week generate the different mover magnet in magnetic field and are alternatively arranged.Stator setting
On the outside of the mover and it is wrapped circumferentially around the mover, includes stator tooth corresponding with each magnetic field on stator, is set on stator tooth
Set coil windings, linear motor provided by the embodiment of the present application and compressor all have that stator is easy to manufacture and mover institute
By the small feature of resistance.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the isometric side view of cylindrical linear motor in the prior art；
Fig. 2 is the top view of this cylindrical linear motor in the prior art；
Fig. 3 is the structural schematic diagram of the groove profile linear motor of this prior art；
Fig. 4 is structure of the linear motion actuator schematic diagram one provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram two of linear motor provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram of linear motor rotor provided by the embodiments of the present application；
Fig. 7 is the working principle structural schematic diagram of linear motor provided by the embodiments of the present application.
Icon: 1- stator core；11- stator tooth；12- location structure；2- inner stator；3- coil windings；4- mover；41-
Support construction；42- mover magnet；43- connection sheet；44- through-hole.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, without
It can be interpreted as indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Linear motor is a kind of mechanical energy that electric energy is directly changed into linear motion, without any intermediate conversion machine
The transmission device of structure.Therefore, it in the structure for needing to carry out linear drives, can be avoided using linear motor other converted
Bring energy loss in journey has the characteristics that ability high conversion efficiency.
For example, within the compressor, piston needs move reciprocatingly, if using rotating electric machine in this configuration,
It then needs to convert the rotary motion that rotating electric machine exports in the straight line on piston reciprocating path using crankshaft rod structure
Movement.In this conversion process, between crankshaft-link rod and other structures, frictional dissipation can be all generated between crankshaft-link rod.To
So that the efficiency that the electric energy of rotating electric machine driving linear motion is converted into mechanical energy is lower.
And in linear motor, linear motor stator electric directly drives mover 4 and does linear reciprocating motion, in this process,
Can't additionally increase the structure that can generate friction, thus using the energy conversion efficiency of linear motor driving linear motion compared with
It is high.
Linear motor in the prior art generally comprises cylindrical and slot type two types.Referring to Figure 1 and Fig. 2, cylinder
The linear motor of shape includes cylindrical mover 4,4 inside of mover cylindrical inner stator 2 and setting is arranged in 4 outside of mover
One week stator core 1, is provided with coil windings 3 between stator core 1 and mover 4.The magnetic field that coil windings 3 generate is in stator
Closed circuit is formed between iron core 1 and inner stator 2, and mover 4 is driven to move in a straight line.Wherein, stator core 1 is had by many
The multiple portions of the sheet magnetic conductor tinertoy of recessed arc-shaped side are constituted.Wherein, in each part of stator core 1, recessed arc
While tinertoy is needed to strike out a recessed arcwall face, the arcwall face for then making the various pieces of stator core 1 recessed again and same column
Face is consistent, and the various pieces of stator core 1 is made to radially distribute around the cylinder.
Fig. 3 is referred to, Fig. 3 is the linear motor of slot type in the prior art, and linear motor includes two E words being oppositely arranged
Type stator core 1 is provided with coil windings 3 on stator core 1.Mover magnet 42 is arranged between two movers 4.
Fig. 4 and Fig. 5 is referred to, Fig. 4 and Fig. 5 are the structural schematic diagrams of linear motor provided by the embodiments of the present application, described
Linear motor includes stator and the mover 4 that is axially movable, and the stator is arranged at the mover 4 one weeks；The mover 4 includes
Cylindrical support construction 41 and at least one set of multiple mover magnets 42 along arrangement in support construction 41 1 weeks, the mover magnet 42
The magnetic direction of generation is radially consistent with the support construction 41, and magnetic field side is generated in every group of multiple mover magnets 42
It is sequentially arranged at intervals to opposite mover magnet 42.
The stator includes stator core 1, and the setting of stator core 1 is in 4 outside of mover and is wrapped circumferentially around mover 4, described fixed
Sub- 1 medial surface of iron core forms multiple stator tooths 11 corresponding with the mover magnet 42, on the stator tooth 11 setting coil around
Group 3, for generating and the radially consistent magnetic field of the support construction 41.Wherein, stator tooth 11 corresponding with mover magnet 42 is
Refer to, magnetic field caused by magnetic field caused by the coil windings 3 being arranged on the stator tooth 11 and the mover magnet 42 on mover 4,
In using 41 axle center of the support construction column regions fan-shaped as the section in the center of circle.
In the present embodiment, support construction 41 can be fabricated by tinertoy silicon steel, can also be just made of solid magnetic.Branch
41 monnolithic case of support structure is rendered as cylindricality, wherein support construction 41 can be hollow cylindricality.On the inside of support construction 41,
Coupling part can be set to connect driven object body.For example, can be in hollow when linear motor is applied to compressor
Connection sheet 43 is set on cylindrical compressor, makes connection sheet 43 that the channel of 41 inside of support construction is radially divided into two parts.
In the present embodiment, aperture can also be set in connection sheet 43, for the circulation passage as air.Certainly, in the present embodiment,
Through-hole 44 can also be opened up in the center of connection sheet 43, for the connection structure of piston to be arranged, so that piston can be dynamic
Son 4 moves back and forth under driving.
In the present embodiment, by the way that mover 4 can be made in all directions in 41 1 weeks setting mover magnets 42 of support construction
It is more uniformly stressed.Due to being spaced apart between every group of mover magnet 42, mover 4 is directed toward the power of axis direction significantly
Weaken, resistance suffered by the mover 4 of linear motor is smaller.
In the present embodiment, track ring was around mover 4 one weeks, that is to say, that stator is the tinertoy structure an of entirety, this implementation
In example, an overall structure is set by stator, during can be avoided assembling stator, due in punching course, each portion
It is different with the distance between mover 4 on the inside of caused stator when point punching press is uneven and various pieces fit together
Situation.Therefore, in the present embodiment, the distance between mover 4 and stator can be made more to reach unanimity, so as to reduce mover
The case where 4 discontinuity.
Optionally, in one embodiment, every layer of mover magnet 42 is arranged at support construction 41 1 weeks, in mover magnet
42 can generate the magnetic direction in the case where the magnetic field of the radial direction of support construction 41, generating two adjacent mover magnets 42
On the contrary.At this point, each coil windings 3 in same group respectively correspond a mover magnet 42.
Optionally, in another embodiment, in every layer of mover magnet 42, continuous multiple mover magnets 42 can be made
The magnetic direction of generation is identical (magnetic direction close to stator side is identical).Make same group of mover magnet 42 in this manner
The produced form arrangement opposite according to generation magnetic direction, at this point, in same group, continuous multiple generation same direction magnetic fields
Mover magnet 42 can be corresponding with the same coil windings 3.
In the present embodiment, in the case where not doing specified otherwise, magnetic direction it is whether identical with the magnetic induction line in magnetic field
It is directed to the direction that 4 outer surface of mover still deviates from 4 outer surface of mover.If the magnetic induction line in two magnetic fields to be judged each mean to
Or be to deviate from 4 outer surface of mover, then the magnetic direction of the two is consistent, i.e. the magnetic direction of the two is identical.If two to
Both judge that the magnetic induction line in magnetic field is a direction, one the magnetic direction of the two is incorgruous away from 4 outer surface of mover, i.e.,
Magnetic direction is opposite.
Optionally, in the present embodiment, in mover magnet 42 described in same group, the dynamic of two adjacent incorgruous magnetic fields is generated
The magnetic direction that the corresponding coil windings 3 of sub- magnet 42 are generated in synchronization is opposite.
For example, in the case that the magnetic direction that the adjacent two mover magnet 42 being arranged on mover 4 generates is incorgruous, it should
The corresponding coil windings 3 of each mover magnet 42 in layer.Magnetic field, that is, incorgruous magnetic field caused by two adjacent movers 4.
Optionally, in the present embodiment, the end of the stator tooth 11 forms cylinder.That is, mover 4 and stator assemble
In the case where good, the end face of one end on all stator tooths 11 close to 4 axial direction of mover is consistent with the same cylinder.In short
It, is exactly in the case that mover 4 is assembled with stator, close to the end face of one end of 4 axial direction of mover on each stator tooth 11
It is a part of radius, axle center cylinder all the same.
In the present embodiment, keep the surface of the end of each stator tooth 11 all identical, the end of each stator tooth 11 can be made
End face and mover 4 between gap it is more uniform, thus, so that one week stress of mover 4 is all relatively uniform.
Optionally, in the present embodiment, the stator core 1 is formed by multiple sheet magnetic conductor tinertoys, and institute inside extends shape
At convex block, the convex block end of each sheet magnetic conductor forms the cylinder of 1 inside of stator core, each sheet magnetic conductor
Corresponding convex block forms the stator tooth 11.That is, entire stator core 1 is provided with through-hole 44 by multiple centres, and
Tinertoy forms identical sheet magnetic conductor in the axial direction.Wherein, the identical structure of each sheet magnetic conductor coincides.
In the present embodiment, stator core 1 is manufactured using tinertoy silicon steel, the flux loss of stator core 1 can be made to reduce.?
That is the energy loss of linear motor in the process of running can be reduced, to improve the energy conversion efficiency of linear motor.
In addition, stator core 1 is whole to be only made of a part, therefore, in the fabrication process, it is only necessary to will in the application
The sheet magnetic conductor tinertoy punching press, when can be to avoid independent punching press a part, caused by various pieces stamp out the arc come
Spend inconsistent situation.
Optionally, in the present embodiment, location structure 12 is provided on the stator tooth 11, the location structure 12 is for limiting
The position of the fixed coil windings 3.
In the present embodiment, the end of stator tooth 11 extends to neighbouring 11 direction of stator tooth, can be to setting in stator tooth
Coil windings 3 on 11 play the role of defined position.
Optionally, in the present embodiment, in stator mover magnet 42 described in every group, between two adjacent stator tooths 11 between
Every identical.
In the present embodiment, keeps the interval between stator tooth 11 adjacent in every group of mover magnet 42 identical, can make each
The Distribution of Magnetic Field in direction is more uniform, to improve the energy conversion efficiency of linear motor.
Fig. 6 is referred to, optionally, in the present embodiment, the mover magnet 42 has multiple groups, two groups of adjacent mover magnets 42
Between, the magnetic direction that the mover magnet 42 on same motion path generates is opposite.That is, setting multiple groups mover magnetic
When body 42, the mover magnet 42 being located along the same line on 41 surface of support construction on each group mover magnet 42, according to production
Raw magnetic direction is sequentially arranged at intervals.
For example, the mover magnet 42 can be set in two groups, same group, the mover magnet 42 in different magnetic field direction is spaced
Arrangement.In same arc range, magnetic direction caused by the mover magnet 42 in different layers is opposite.
In the present embodiment, optionally, same coil windings 3 are corresponding with multiple mover magnets 42.For example, being set when on mover 4
When being equipped with two groups of mover magnets 42, same coil windings 3 are corresponding with multiple mover magnets 42, in coil windings 3 and one group
It is mutually exclusive between another group of mover magnet 42 and coil windings 3 when mover magnet 42 attracts each other, so that stator and dynamic
Interaction force between son 4 is bigger, that is to say, that when setting multiple groups mover magnet 42, linear motor can be made to obtain dynamic
Power is bigger, can improve the energy conversion efficiency of linear motor.
Optionally, in the present embodiment, the mover magnet 42 is arranged in 41 outer surface of support construction.
In the present embodiment, mover magnet 42 is arranged in the surface of support construction 41 so that mover magnet 42 and coil around
The distance between group 3 is closer, and therefore, entire motor is capable of providing bigger power.
It certainly, can be in support construction 41 along the surface of mover magnet 42 edge branch in actual setting mover magnet 42
Then mover magnet 42 is arranged in 41 1 weeks setting grooves of support structure in the groove.Certainly, in the present embodiment, groove can be from
Support construction 41 opens up on cylindrical outer surface, can also open up from the cylindrical inner surface of support construction 41, can also be from branch
The end face of support structure 41 opens up.
Optionally, in the present embodiment, the linear motor further includes resonant springs, the vibration frequency of the resonant springs with
The vibration frequency of the linear motor is consistent.Wherein, the mover 4 of resonant springs and linear motor connects.
In the present embodiment, linear motor is assembled by resonant springs, entire linear motor can be made at the resonant frequency fx
Work, to generate better energy conversion efficiency.
Linear motor described in the present embodiment is elaborated below in conjunction with the structure specifically with two groups of mover magnets 42
Concrete operating principle refers to Fig. 7, the reference axis among Fig. 7, and horizontal axis indicates the time, and vertical pivot indicates electric current.It is on the left of Fig. 7 and right
Side is the cross-sectional view of linear motor axial direction.In Fig. 7,3 linear motor of coil windings of the upper side and lower side during the work time,
Since start time, as shown in the left side Fig. 7, the coil windings 3 positioned at upside generate the magnetic field to 4 axle center of mover, at this point, should
The mover 4 of 3 lower left side of coil windings generates upward magnetic field, mover 4 just by power to the left, 3 lower right side of coil windings
Mover 4 generates downward magnetic field, and coil windings 3 are similarly subjected to power to the left, and then, coil windings 3 move to the left, lower side line
It is identical as the action principle between mover 4 to enclose winding 3.Shown on the right side of Fig. 7, the coil windings 3 positioned at upside are generated to mover 4
The magnetic field in axle center, at this point, the mover 4 of 3 downside of coil windings generates upward magnetic field, mover 4 is just by power to the right, the line
Circle 3 lower right side of winding mover 4 generate downward magnetic field, coil windings 3 are similarly subjected to power to the right, then, coil windings 3 to
Right side movement.
The another object of the application is to provide a kind of compressor, and the compressor includes pressure texture and any of the above item
The dynamic connection of the linear motor, the linear motor and the pressure texture.
Compressor provided by the embodiments of the present application has the characteristics that the resistance that mover 4 is subject to is small, stator is easy to manufacture.
In conclusion in the embodiment of the present application, by enabling to move in 41 1 weeks setting mover magnets 42 of support construction
Son 4 is more uniformly stressed in all directions.Therefore linear motor energy conversion efficiency with higher.Track ring is around mover
4 one weeks, that is to say, that stator is an overall structure, in the present embodiment, sets stator to the tinertoy structure an of entirety,
During can be avoided assembling stator, since in punching course, various pieces punching press is uneven and various pieces are assembled in
When together, the different situation in the distance between caused stator inside and mover 4.Therefore, in the present embodiment, mover can be made
Partial distance more reaches unanimity between 4 and stator, the case where so as to reduce 4 discontinuity of mover.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.
Claims (10)
1. a kind of linear motor, which is characterized in that the linear motor includes stator and the mover that is axially movable, the stator
It is arranged on the outside of the mover and is wrapped circumferentially around the mover；
The mover includes the multiple mover magnets of cylindrical support construction and at least one set along arrangement in support construction one week, described
The magnetic direction that mover magnet generates is radially consistent with the support construction, generates magnetic in every group of multiple mover magnets
The opposite mover magnet of field direction is sequentially arranged at intervals；
The stator includes stator core, and the stator core medial surface forms multiple stators corresponding with the mover magnet
Coil windings are arranged on the stator tooth in tooth, for generating and the radially consistent magnetic field of the support construction.
2. linear motor according to claim 1, which is characterized in that in mover magnet described in same group, generate two
The magnetic direction that the corresponding coil windings of mover magnet in adjacent incorgruous magnetic field are generated in synchronization is opposite.
3. linear motor according to claim 1, which is characterized in that the end of the stator tooth forms cylinder.
4. linear motor according to claim 3, which is characterized in that the stator core is by multiple sheet magnetic conductor tinertoys
It forms, convex block is extended to form on the inside of the sheet magnetic conductor, the convex block end of each sheet magnetic conductor forms stator core
The cylinder of inside, the corresponding convex block of each sheet magnetic conductor form the stator tooth.
5. linear motor according to claim 1, which is characterized in that location structure is provided on the stator tooth, it is described
Location structure is used to limit the position of the coil windings.
6. linear motor according to claim 1, which is characterized in that in stator described in every group, two adjacent stator tooths
Between interval it is identical.
7. linear motor according to claim 1, which is characterized in that the mover magnet has multiple groups, and adjacent two groups dynamic
Between sub- magnet, the magnetic direction that the mover magnet on same motion path generates is opposite.
8. linear motor according to claim 1-7, which is characterized in that the mover magnet is arranged in the branch
Support structure outer surface.
9. linear motor according to claim 1-7, which is characterized in that the linear motor further includes resonance bullet
Spring, the vibration frequency of the resonant springs are consistent with the vibration frequency of the linear motor.
10. a kind of compressor, which is characterized in that the compressor includes pressure texture and claim 1-9 described in any item
The dynamic connection of linear motor, the linear motor and the pressure texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051352.8U CN209358414U (en) | 2019-01-11 | 2019-01-11 | Linear motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051352.8U CN209358414U (en) | 2019-01-11 | 2019-01-11 | Linear motor and compressor |
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| Publication Number | Publication Date |
|---|---|
| CN209358414U true CN209358414U (en) | 2019-09-06 |
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ID=67802838
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920051352.8U Active CN209358414U (en) | 2019-01-11 | 2019-01-11 | Linear motor and compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639091A (en) * | 2019-01-11 | 2019-04-16 | 黄石东贝电器股份有限公司 | Linear motor and compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639091A (en) * | 2019-01-11 | 2019-04-16 | 黄石东贝电器股份有限公司 | Linear motor and compressor |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210630 Address after: No.6, East Jinshan Avenue, Tieshan District, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |