CN205647070U - A motor element and rotary compressor for rotary compressor - Google Patents
A motor element and rotary compressor for rotary compressor Download PDFInfo
- Publication number
- CN205647070U CN205647070U CN201620334527.2U CN201620334527U CN205647070U CN 205647070 U CN205647070 U CN 205647070U CN 201620334527 U CN201620334527 U CN 201620334527U CN 205647070 U CN205647070 U CN 205647070U
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Abstract
The utility model discloses a motor element and rotary compressor for rotary compressor, wherein for rotary compressor's motor element includes: a stator. Rotor, rotor are established inside the stator, and the rotor is followed its axis direction and is divide into upper segment and hypomere, goes up period number in the top of hypomere, and the upper segment divide into first section from supreme down,. The N section, wherein N >= 2, the biggest cross -sectional area of first section is less than the minimum cross -sectional area of hypomere, just is the biggest cross -sectional area of i section less than i 1 the minimum cross -sectional area of section, wherein i is (the integer of 1, N in ]. According to the utility model discloses a loss that is used for rotary compressor's motor element, can reduce motor element efficiency when improving rotary compressor starting capability to rotary compressor's work efficiency can be exert betterly, rotary compressor's performance parameter can be improved. Simultaneously, can also reduce the cutting output of rotor, reduce the refining losses of rotor, improve production efficiency.
Description
Technical field
This utility model relates to Compressor Technology field, especially relates to a kind of electric machine assembly for rotary compressor and rotation
Rotary compressor.
Background technology
In correlation technique, the rotor of rotary compressor is identical with each cross section fit clearance of stator.The starting of constant speed compressor
Ability is to weigh one of key factor of compressor reliability, generally, compressor when starting, the axiality of rotor and stator
The least, i.e. compressor stator is the most uniform with the gap that rotor is formed, and the starting capability of compressor is the best.But fill at compressor
During joining, inevitably make stator uneven with the gap of rotor, cause the out-of-balance force in magnetic field suffered by rotor to increase.
Because rotor within the compressor, is connected with the pump housing, monolateral fixing formation cantilever beam structure, rotor increases at stator out-of-balance force
Time, upper end amplitude of fluctuation can be increased dramatically, and time serious, rotor clashes into stator, makes compressor start difficulty, and produces
The abnormal sound that raw rotor clashes into stator.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
Type proposes a kind of electric machine assembly for rotary compressor, and the described electric machine assembly for rotary compressor has structure letter
Singly, little, the advantage of low cost is lost.
This utility model also proposes a kind of rotary compressor, and described rotary compressor has above-mentioned for rotary compressor
Electric machine assembly.
According to the electric machine assembly for rotary compressor of this utility model embodiment, including: stator；Rotor, described turn
Son is located at described stator interior, and described rotor is divided into epimere and hypomere, described epimere to be positioned at described hypomere along its axis direction
Top, described epimere is divided into first paragraph from bottom to up ..., N section, wherein N >=2, the maximum cross section of described first paragraph
The long-pending smallest cross-section area less than described hypomere, and the smallest cross-section area that the maximum cross-section area of i-th section is less than the i-th-1 section,
Wherein i be (1, N] in integer.
According to the electric machine assembly for rotary compressor of this utility model embodiment, by by the epimere of rotor from bottom to up
It is divided into N section, wherein N >=2, and makes the maximum cross-section area of first paragraph less than the smallest cross-section area of hypomere and i-th section
The big cross-sectional area smallest cross-section area less than the i-th-1 section, wherein i be (1, N] in integer, can be rotary in raising
While compressor start ability, reduce electric machine assembly loss of efficiency, such that it is able to preferably play rotary compressor
Work efficiency, can improve the performance parameter of rotary compressor.At the same time it can also be reduce the cutting output of rotor, reduce and turn
The refining losses of son, improves production efficiency.
According to embodiments more of the present utility model, the cross-sectional area of described epimere is gradually reduced from bottom to up.
Further, the outer contour of described hypomere cross section is formed as circle and radius is R0, described first paragraph ..., institute
State i-th section ..., the outer contour of described N section cross section is all formed as the radius of circle and correspondence and is respectively R1...,
Ri..., RN, on the axis direction of described rotor, described first paragraph ..., described i-th section ..., described N section is right
The height answered is H1..., Hi..., HN, and meet: (Ri-1-Ri)/Hi=(Ri-2-Ri-1)/Hi-1。
Alternatively, at least having one section in described first paragraph to described N section, the cross-sectional area at any the two of this section is equal.
Alternatively, at least having one section in described first paragraph to described N section, the cross-sectional area of this section the most gradually subtracts
Little.
According to embodiments more of the present utility model, on described hypomere, the cross-sectional area at any two is equal.
In embodiments more of the present utility model, the cross section outer contour of described epimere and described hypomere is all formed as circle,
And the least radius of the cross section outer contour of described epimere is Rmin, the radius of the cross section outer contour of described hypomere is R0,
Described RminAnd R0Described satisfied: 0.1mm≤(R0-Rmin)≤0.15mm。
According to the rotary compressor of this utility model embodiment, including the above-mentioned electric machine assembly for rotary compressor.
According to the rotary compressor of this utility model embodiment, by arranging the above-mentioned electric machine assembly for rotary compressor,
Can preferably play the work efficiency of rotary compressor, the coefficient of performance of rotary compressor can be promoted.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electric machine assembly for rotary compressor according to this utility model embodiment one；
Fig. 2 is the structural representation of the electric machine assembly for rotary compressor according to this utility model embodiment two.
Reference:
Rotor 1, epimere 11, first paragraph 111, second segment 112, hypomere 12,
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
Below with reference to Fig. 1 and Fig. 2, the electric machine assembly for rotary compressor according to this utility model embodiment is described.
As depicted in figs. 1 and 2, according to the electric machine assembly for rotary compressor of this utility model embodiment, including fixed
Son (not shown) and rotor 1.
Specifically, rotor 1 is located at stator interior, and rotor 1 is divided into epimere 11 and hypomere 12, epimere along its axis direction
11 tops being positioned at hypomere 12.Epimere 11 is divided into first paragraph 111 from bottom to up ..., N section, wherein N >=2, first
The maximum cross-section area of section 111 is less than smallest cross-section area (the such as outer contour of the cross section of first paragraph 111 of hypomere 12
Radius size R1Radius size R of outer contour less than the cross section of hypomere 120), and the maximum cross-section area of i-th section
Smallest cross-section area less than the i-th-1 section, wherein i be (1, N] in integer.It is to say, epimere 11 is from bottom to up
At least being divided into two sections, the maximum cross-section area of first paragraph 111 is any less than in the smallest cross-section area of hypomere 12 and epimere 11
The maximum cross section of the most top one section in adjacent two sections is less than the smallest cross-section area of a section the most on the lower.
Thus, it is possible to make the minimum clearance between epimere 11 and the stator of rotor 1 be more than hypomere 12 and the stator of rotor 1
Between maximal clearance, and the gap between epimere 11 and stator has the trend of increase from bottom to up.When electric machine assembly assembles
Time in rotary compressor, owing to rotor 1 is connected with the compression mechanism being positioned on the downside of rotor 1, rotor 1 forms cantilever beam
Structure, rotor 1 when stator out-of-balance force increases, epimere 11 amplitude of fluctuation be more than hypomere 12 amplitude of fluctuation, and under
On supreme direction, the gap between epimere 11 and stator is gradually increased, when the amplitude of fluctuation of epimere 11 is increased dramatically and sternly
During weight, the phenomenon that epimere 11 clashes into stator can be avoided, it is simple to the starting of rotary compressor, improve rotary compression
While the starting capability of machine, it is also possible to reduce the cutting output radially of rotor 1, thus improve the effect of electric machine assembly
Rate, obtains the performance parameter of higher rotary compressor, meanwhile, reduces the refining losses of rotor 1, improve rotor 1
Working (machining) efficiency.
And in actual production process, for avoiding rotor upper end to clash into stator after swinging, generally rotor upper end external diameter is entered
Row cutting and on the direction on lower radius of clean-up identical, so can promote to a certain extent compressor rise kinetic energy
Power.But, such design inevitably reduces the performance of motor, and (when cutting level is gradually increased, electric efficiency is gradually
Reduce), and then make compressor efficiency decline.Meanwhile, rotor diameter cutting output increases, while refining losses increases, and processing
Efficiency also can decline.
According to the electric machine assembly for rotary compressor of this utility model embodiment, by by the epimere 11 of rotor 1 under
Supreme N section, wherein N >=2 of being divided into, and make the maximum cross-section area smallest cross-section area less than hypomere 12 of first paragraph 111
And the maximum cross-section area of i-th section is less than the smallest cross-section area of the i-th-1 section, wherein i be (1, N] in integer, permissible
While improving rotary compressor starting capability, reduce electric machine assembly loss of efficiency, such that it is able to preferably play rotation
The work efficiency of rotary compressor, can improve the performance parameter of rotary compressor.At the same time it can also be reduce rotor 1
Cutting output, reduces the refining losses of rotor 1, improves production efficiency.
In embodiments more of the present utility model, as in figure 2 it is shown, the cross-sectional area of epimere 11 is gradually reduced from bottom to up.
It is to say, on direction from bottom to up, the outer contour of epimere 11 being projected as two and move closer in vertical plane
Straight line or round and smooth curve.Thus, it is possible to make the gap between epimere 11 and the stator of rotor 1 be gradually increased from bottom to up.
When the amplitude of fluctuation of epimere 11 is increased dramatically and is serious, the phenomenon that epimere 11 clashes into can be avoided with stator, it is simple to rotate
The starting of formula compressor, while improving the starting capability of rotary compressor, it is also possible to reduces the radially side of rotor 1
To cutting output, thus improve the efficiency of electric machine assembly, obtain the performance parameter of higher rotary compressor, meanwhile, fall
The refining losses of low rotor 1, improves the working (machining) efficiency of rotor 1.
In other embodiments of the present utility model, as it is shown in figure 1, the outer contour of hypomere 12 cross section is formed as circular
And radius is R0, first paragraph 111 ..., i-th section ..., the outer contour of N section cross section is all formed as circular and right
The radius answered is respectively R1..., Ri..., RN, on the axis direction of rotor 1, first paragraph 111 ..., i-th section ...,
Height corresponding to N section is H1..., Hi..., HN, and meet: (Ri-1-Ri)/Hi=(Ri-2-Ri-1)/Hi-1.Thus,
The structure of the epimere 11 of rotor 1 can be more reasonably set, can subtract while promoting rotary compressor starting capability
Few electric machine assembly loss in efficiency, such that it is able to preferably play the work efficiency of rotary compressor, can promote rotary pressure
The coefficient of performance of contracting machine.Meanwhile, reduce rotor 1 cutting output, it is possible to decrease refining losses, improve production efficiency.Need explanation
, H1..., Hi..., HNIt is respectively first paragraph 111 ..., i-th section ..., the lower surface of N section and rotor 1
Upper surface between distance.It addition, as N=2, i-th section is second segment 112, the outer contour radius of i-th section is
R2,The height of i-th section is H2。
Such as, in the example depicted in fig. 1, the outer contour of hypomere 12 cross section is formed as circle and radius is R0, epimere
11 are divided into first paragraph 111 and second segment 112 from bottom to up, and the maximum cross-section area of second segment 112 is less than first paragraph 111
Smallest cross-section area, the outer contour of the cross section of first paragraph 111 and second segment 112 is all formed as circle and first paragraph 111
Radius be R1, the radius of second segment 112 is R2, distance between lower surface and the upper surface of rotor 1 of first paragraph 111
For H1, the distance between lower surface and the upper surface of rotor 1 of second segment 112 is H2, and meet: (R1-R2)/H2=(R0-R1)
/H1.Thus, it is possible to more reasonably arrange the structure of the epimere 11 of rotor 1, kinetic energy can be played promoting rotary compressor
While power, reduce electric machine assembly loss in efficiency, such that it is able to preferably play the work efficiency of rotary compressor, permissible
Promote the coefficient of performance of rotary compressor.Meanwhile, reduce rotor 1 cutting output, it is possible to decrease refining losses, improve and produce effect
Rate.
Alternatively, at least can have one section in first paragraph 111 to N section, the cross-sectional area at any the two of this section is equal.
It is to say, can there is one section or multistage or whole sections in first paragraph 111 to N section, this section is the most horizontal
Sectional area is unchanged.Thus, it is possible to more reasonably arrange the structure of the epimere 11 of rotor 1, rotary compression can promoted
While machine starting capability, reduce electric machine assembly loss in efficiency, such that it is able to preferably play the work effect of rotary compressor
Rate, can promote the coefficient of performance of rotary compressor.Such as, in the example depicted in fig. 1, epimere 11 includes first paragraph
111 and second segment 112, and on the direction on lower, the radius of the outer contour of the cross section of first paragraph 111 is always
R1, the radius of the outer contour of the cross section of second segment 112 is always R2, i.e. on the direction on lower, first paragraph 111
The most unchanged with the cross-sectional area of second segment 112.
Certainly, this utility model is not limited to this, in first paragraph 111 to N section at least one section, the cross-sectional area of this section from
Under supreme be gradually reduced.It is to say, one section or multistage or whole sections in N section, can be there is in first paragraph 111,
The cross-sectional area of this section is gradually reduced from bottom to up.Thus, it is possible to more reasonably arrange the structure of the epimere 11 of rotor 1, can
With while promoting rotary compressor starting capability, reduce electric machine assembly loss in efficiency, such that it is able to preferably play rotation
The work efficiency of rotary compressor, can promote the coefficient of performance of rotary compressor.
Preferably, as depicted in figs. 1 and 2, on hypomere 12, cross-sectional area at any two is equal.It is to say, under certainly
On direction on, the cross-sectional area of hypomere 12 is unchanged.Thus can simplify structure and the manufacturing procedure of rotor 1, reduce
Rotor 1 cutting output, it is possible to decrease refining losses, improves production efficiency, meanwhile, reduces electric machine assembly loss in efficiency, thus can
Preferably to play the work efficiency of rotary compressor, the coefficient of performance of rotary compressor can be promoted.
In embodiments more of the present utility model, the cross section outer contour of epimere 11 and hypomere 12 is all formed as circle,
And the least radius of the cross section outer contour of epimere 11 is Rmin(the such as R shown in Fig. 12And the R shown in Fig. 2min),
The radius of the cross section outer contour of hypomere 12 is R0, RminAnd R0Meet: 0.1mm≤(R0-Rmin)≤0.15mm.Thus,
Rotary compressor starting process rotor 1 epimere 11 and stator can be avoided to occur the efficiency clashing into and reducing electric machine assembly to damage
Lose, can preferably play the work efficiency of rotary compressor, can promote the coefficient of performance of rotary compressor, meanwhile,
Reduce rotor 1 cutting output, it is possible to decrease refining losses, improve production efficiency.
Below with reference to Fig. 1 and Fig. 2, the motor for rotary compressor according to two specific embodiments of this utility model is described
Assembly.
Embodiment one
As it is shown in figure 1, include stator and rotor according to the electric machine assembly for rotary compressor of this utility model embodiment
1.Rotor 1 can be located in stator, and rotor 1 is divided into epimere 11 and hypomere 12 along its axis direction, under epimere 11 is positioned at
The top of section 12, wherein, the outer contour of the cross section of hypomere 12 is formed as circle and radius is R0, epimere 11 is cutting
Section, the radius of the outer contour that the outer contour of the cross section of epimere 11 is formed as the cross section of circle and epimere 11 is less than down
The radius of the outer contour of the cross section of section 12.
On direction from bottom to top, the cross-sectional area of epimere 11 has outside the trend of reduction, the i.e. cross section of epimere 11
The radius of contour line has the trend of reduction.Epimere 11 it is so structured that multidiameter structure, and epimere 11 have by lower to
The first paragraph 111 of upper arrangement and second segment 112, the radius R of the outer contour of the cross section of first paragraph 1111More than second segment
The radius R of the outer contour of the cross section of 1122, and the radius of the outer contour of the cross section of first paragraph 111 is from bottom to top
Direction on equal, the radius of the outer contour of the cross section of second segment 112 is equal on direction from bottom to top.First paragraph
The thickness of cutting of 111 is R0-R1, first paragraph 111 cutting level is H1, the thickness of cutting of second segment 112 is R1-R2, second
Section 112 cutting levels are H2, and meet, (R1-R2)/H2=(R0-R1)/H1.The cross section outer contour of epimere 11 is
Minor radius is R2, and meet 0.1mm≤(R0-R2)≤0.15mm。
Thus, according to the electric machine assembly for rotary compressor of this utility model embodiment, by rationally arranging epimere 11
Cutting level and radius of clean-up, reduce rotor 1 external diameter cutting output, rotary compressor starting process rotor can be avoided
1 top is clashed into stator, can reduce electric efficiency loss while improving the starting capability of compressor, thus
Can preferably play the work efficiency of rotary compressor, the coefficient of performance of rotary compressor can be promoted.Meanwhile, subtract
Few rotor 1 cutting output, it is possible to decrease refining losses, improves production efficiency.
Embodiment two
As in figure 2 it is shown, the present embodiment is roughly the same with the structure of embodiment one, the difference is that only that epimere 11 is configured to
Diminished shaft structure, and the radius of the outer contour of the cross section of epimere 11 is gradually reduced from bottom to top.Epimere 11 transversal
The least radius of face outer contour is Rmin, the maximum thickness of cutting of epimere 11 is R0-Rmin, and meet: 0.1mm≤(R0-Rmin)
≤0.15mm。
According to the electric machine assembly for rotary compressor of this utility model embodiment, due to the epimere 11 of rotary compressor
Rationally arrange, rotary compressor starting process rotor 1 top can be avoided to clash into stator, rotary in guarantee
While compressor start ability, reduce electric machine assembly loss in efficiency, can preferably play the work effect of rotary compressor
Rate, such that it is able to obtain the coefficient of performance of higher rotary compressor.Meanwhile, rotor 1 cutting output is reduced, it is possible to decrease add
Work is lost, and improves production efficiency.
According to the rotary compressor of this utility model embodiment, including according to this utility model above-described embodiment for rotating
The electric machine assembly of formula compressor.
According to the rotary compressor of this utility model embodiment, by arranging the above-mentioned electric machine assembly for rotary compressor,
Can preferably play the work efficiency of rotary compressor, the coefficient of performance of rotary compressor can be promoted.
In description of the present utility model, it is to be understood that term " " center ", " laterally ", " length ", " thickness ",
On " ", D score, " interior ", " outward ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint
The device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.
For the ordinary skill in the art, concrete in this utility model of above-mentioned term can be understood as the case may be
Implication.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term
Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature
Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (8)
1. the electric machine assembly for rotary compressor, it is characterised in that including:
Stator；
Rotor, described rotor is located at described stator interior, and described rotor is divided into epimere and hypomere, described epimere to be positioned at the top of described hypomere along its axis direction, described epimere is divided into first paragraph from bottom to up, ..., N section, wherein N >=2, the maximum cross-section area of described first paragraph is less than the smallest cross-section area of described hypomere, and the maximum cross-section area of i-th section is less than the smallest cross-section area of the i-th-1 section, wherein i be (1, N] in integer.
Electric machine assembly for rotary compressor the most according to claim 1, it is characterised in that the cross-sectional area of described epimere is gradually reduced from bottom to up.
Electric machine assembly for rotary compressor the most according to claim 1, it is characterised in that the outer contour of described hypomere cross section is formed as circle and radius is R0, described first paragraph ..., described i-th section ..., the outer contour of described N section cross section is all formed as the radius of circle and correspondence and is respectively R1..., Ri..., RN, on the axis direction of described rotor, described first paragraph ..., described i-th section ..., height corresponding to described N section is H1..., Hi..., HN, and meet: (Ri-1-Ri)/Hi=(Ri-2-Ri-1)/Hi-1。
Electric machine assembly for rotary compressor the most according to claim 1, it is characterised in that at least having one section in described first paragraph to described N section, the cross-sectional area at any the two of this section is equal.
Electric machine assembly for rotary compressor the most according to claim 1, it is characterised in that at least having one section in described first paragraph to described N section, the cross-sectional area of this section is gradually reduced from bottom to up.
Electric machine assembly for rotary compressor the most according to claim 1, it is characterised in that the cross-sectional area at any the two of described hypomere is equal.
7. according to the electric machine assembly for rotary compressor according to any one of claim 1-6, it is characterised in that the cross section outer contour of described epimere and described hypomere is all formed as circle, and the least radius of the cross section outer contour of described epimere is Rmin, the radius of the cross section outer contour of described hypomere is R0, described RminAnd R0Meet: 0.1mm≤(R0-Rmin)≤0.15mm。
8. a rotary compressor, it is characterised in that include according to the electric machine assembly for rotary compressor according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334527.2U CN205647070U (en) | 2016-04-20 | 2016-04-20 | A motor element and rotary compressor for rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334527.2U CN205647070U (en) | 2016-04-20 | 2016-04-20 | A motor element and rotary compressor for rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205647070U true CN205647070U (en) | 2016-10-12 |
Family
ID=57062595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620334527.2U Withdrawn - After Issue CN205647070U (en) | 2016-04-20 | 2016-04-20 | A motor element and rotary compressor for rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205647070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790466A (en) * | 2016-04-20 | 2016-07-20 | 安徽美芝精密制造有限公司 | Motor assembly for rotary compressor and rotary compressor |
-
2016
- 2016-04-20 CN CN201620334527.2U patent/CN205647070U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790466A (en) * | 2016-04-20 | 2016-07-20 | 安徽美芝精密制造有限公司 | Motor assembly for rotary compressor and rotary compressor |
| CN105790466B (en) * | 2016-04-20 | 2018-12-04 | 安徽美芝精密制造有限公司 | Electric machine assembly and rotary compressor for rotary compressor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20181204 |
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| AV01 | Patent right actively abandoned |