CN204442035U - The stator of single phase induction motor and there is its single phase induction motor, compressor - Google Patents
The stator of single phase induction motor and there is its single phase induction motor, compressor Download PDFInfo
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- CN204442035U CN204442035U CN201520124181.9U CN201520124181U CN204442035U CN 204442035 U CN204442035 U CN 204442035U CN 201520124181 U CN201520124181 U CN 201520124181U CN 204442035 U CN204442035 U CN 204442035U
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- stator
- induction motor
- single phase
- phase induction
- winding
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Abstract
The utility model discloses a kind of stator of single phase induction motor and there is its single phase induction motor, compressor, the stator of single phase induction motor comprises: stator core and stator winding, stator core comprises the teeth portion and yoke portion of individually processing, yoke portion is set in outside teeth portion, teeth portion is included in multiple stator tooths of spaced apart distribution in yoke portion circumference, stator slot is limited between two often adjacent stator tooths, the side, contiguous yoke portion of stator slot is opened wide, stator winding comprises main winding and auxiliary winding, main winding and the equal winding of auxiliary winding are on multiple stator tooth and be positioned at yoke portion.According to the stator of single phase induction motor of the present utility model, because stator core is made up of independent teeth portion and independent yoke portion, thus significantly can reduce the consumption of electromagnetic wire end, reduce material cost, reduce loss, and the copper factor of electromagnetic wire can be improved dramatically, thus significantly can promote the efficiency of single phase induction motor.
Description
Technical field
The utility model relates to Compressor Technology field, the stator especially relating to a kind of single phase induction motor and single phase induction motor, the compressor with it.
Background technology
Point out in correlation technique, single-phase induction motor used for compressor is because considering that stampability and assembling all adopt teeth portion, the stator core construction of yoke portion integral type, consider simultaneously and manufacture the Concentrical winding structure that convenience all adopts unequal span distance, in correlation technique, stator is assemblied on stator core around the embedded wire insertion technology of employing, wherein embedded wire insertion technology is embedded in iron core by the coil that coiling is good, consider rule resistance and forming requirements, end winding is needed to arrange larger, thus cause the extreme loss of electric efficiency, and along with the high efficiency of air-conditioning products and the proposition of miniaturized development requirement, motor section is as the important driver part of compressor, the demand of its high energy efficiency and small size is also become more and more stronger, and stator core construction in correlation technique and winding mode have been difficult to comparatively quantum jump in the optimization of coil end size.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, the utility model is the stator proposing a kind of single phase induction motor, and the efficiency of the stator of this single phase induction motor is high, volume is little.
The utility model also proposes a kind of single phase induction motor of the stator of above-mentioned single phase induction motor and have the compressor of above-mentioned single phase induction motor of having.
According to the stator of the single phase induction motor of the utility model first aspect, comprise: stator core, described stator core comprises the teeth portion and yoke portion of individually processing, described yoke portion is set in outside described teeth portion, described teeth portion is included in multiple stator tooths of spaced apart distribution in described yoke portion circumference, limit stator slot between two often adjacent described stator tooths, the side, vicinity described yoke portion of described stator slot is opened wide; And stator winding, described stator winding comprises main winding and auxiliary winding, and described main winding and the equal winding of described auxiliary winding are on described multiple stator tooth and be positioned at described yoke portion.
According to the stator of single phase induction motor of the present utility model, because stator core is made up of independent teeth portion and independent yoke portion, thus can in the inner directly coiling of stator slot, and then significantly reduce the consumption of electromagnetic wire end, reduce material cost, reduce loss, and the copper factor of electromagnetic wire can be improved dramatically, significantly to promote the efficiency of single phase induction motor.
According to an embodiment of the present utility model, described main winding and described auxiliary winding such as to be at the span winding.
According to an embodiment of the present utility model, the span of described main winding and the span of described auxiliary winding all meet relation:
wherein, N is the span of described main winding and the span of described auxiliary winding, and S is the quantity of described stator slot, and P is the number of pole-pairs of described single phase induction motor.
According to an embodiment of the present utility model, described P meets following relational expression: P=1.
According to an embodiment of the present utility model, the quantity Nm that described main winding accounts for described stator slot meets relation:
wherein, S is the quantity of described stator slot.
According to an embodiment of the present utility model, the quantity Na that described auxiliary winding accounts for described stator slot meets relation:
According to an embodiment of the present utility model, at least one in described main winding and described auxiliary winding is the span windings such as span winding or bilayer such as individual layer.
According to an embodiment of the present utility model, described teeth portion is included in multiple silicon steel sheets that described yoke portion axially laminates setting, described stator slot away from described yoke portion one side closed be the notch of described stator slot, the height H of described notch in described yoke portion radial direction
sOmeet relation: 0.2h≤H
sO≤ 2h, wherein, described h is the thickness of each described silicon steel sheet.
According to an embodiment of the present utility model, the width of each described stator tooth in described yoke portion circumference is all equal.
According to the single phase induction motor of the utility model second aspect, comprise the stator of rotor and the single phase induction motor according to above-described embodiment, described rotor is located at the inner side of described stator rotationally.
According to the compressor of the utility model third aspect, comprise the single phase induction motor according to above-described embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the stators and rotators of single phase induction motor according to the utility model embodiment;
Fig. 2 is the schematic diagram in the yoke portion of the stator of single phase induction motor according to the utility model embodiment;
Fig. 3 is the schematic diagram of the teeth portion of the stator of single phase induction motor according to the utility model embodiment;
Fig. 4 is the schematic diagram of the stator tooth of the stator of single phase induction motor according to the utility model embodiment.
Reference numeral:
Stator 100;
Stator core 10; Teeth portion 11; Stator tooth 111; Stator slot 112; Notch 1121; Endoporus 113; Yoke portion 12; Installing hole 121;
Stator winding 20; Main winding 21;
Rotor 200.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
First the stator 100 according to the single phase induction motor of the utility model embodiment is specifically described with reference to figures 1 through Fig. 4 below.
As shown in Figure 1, stator core 10 and stator winding 20 is comprised according to the stator 100 of the single phase induction motor of the utility model embodiment.Specifically, stator core 10 comprises the teeth portion 11 and yoke portion 12 of individually processing, yoke portion 12 is set in outside teeth portion 11, teeth portion 11 is included in multiple stator tooths 111 of the upper spaced apart distribution of yoke portion 12 circumference, stator slot 112 is limited between two often adjacent stator tooths 111, the side, contiguous yoke portion 12 of stator slot 112 is opened wide, and stator winding 20 comprises main winding 21 and auxiliary winding (not shown), and main winding 21 and the equal winding of auxiliary winding are on multiple stator tooth 111 and be positioned at yoke portion 12.
In other words, the stator 100 of single phase induction motor forms primarily of stator core 10 and stator winding 20.
Wherein, stator core 10 forms primarily of teeth portion 11 and yoke portion 12, teeth portion 11 and yoke portion 12 are respectively two parts of processing separately, particularly, as shown in Figure 2, the cross section in yoke portion 12 can be formed as large circular ring type, and the center in yoke portion 12 is formed along its axially through installing hole 121, as shown in Figure 3, teeth portion 11 is provided with multiple stator tooth 111 arranged spaced apart along its circumference, stator slot 112 is formed between two adjacent stator tooths 111, this stator slot 112 radially outward opening wide along teeth portion 11, namely teeth portion 11 is provided with multiple stator tooth 111 and multiple stator slot 112, wherein, each stator tooth 111 and stator slot 112 circumferentially one by one interval arrange, teeth portion 11 is arranged in the installing hole 121 in yoke portion 12, the side (outside such as shown in Fig. 1) in the contiguous yoke portion 12 of stator slot 112 is opened wide, and teeth portion 11 is arranged with yoke portion 12 is contiguous, that is, gap between the outward flange of teeth portion 11 and the inward flange in yoke portion 12 is very little, thus, teeth portion 11 and the yoke portion 12 of stator 100 can be weldingly connected, the outward flange of such as teeth portion 11 and the inward flange in yoke portion 12 can be fixed together by the mode of spot welding.
In addition, the side away from yoke portion 12 (inner side such as shown in Fig. 1) of stator slot 112 can be opened wide or close (will describe in detail hereinafter).Here it should be noted that, " interior " can be understood as the side of contiguous yoke portion 12 central axis, and its rightabout is defined as " outward ", namely away from the side of yoke portion central axis.
With reference to Fig. 1, stator winding 20 is primarily of main winding 21 and auxiliary winding composition, main winding 21 and auxiliary winding are wound on the stator tooth 111 of teeth portion 11 respectively, and in the radial direction of stator 100, main winding 21 and auxiliary winding be all located in the yoke portion 12 of the stator 100 of single phase induction motor.
Thus, according to the stator 100 of the single phase induction motor of the utility model embodiment, by the stator structure of traditional teeth portion 11 and yoke portion 12 integral type is changed to the stator core 10 be independently made up of teeth portion 11 and yoke portion 12, traditional embedded coiling can be become outer directly-wound, namely similar concentrated volume mode is in the inner directly coiling of stator slot 112, thus significantly can reduce the consumption of electromagnetic wire end, reduce material cost, and the copper factor of electromagnetic wire can be improved dramatically, thus significantly can promote the efficiency of single phase induction motor.
In an embodiment of the present utility model, main winding 21 and auxiliary winding such as to be at the span winding.That is, main winding 21 and auxiliary winding are wound on stator tooth 111 respectively, wherein every section of electromagnetic wire of main winding 21 laying out on stator tooth 111 is held all equal with the groove number of the stator slot 112 between entering to hold, and every section of electromagnetic wire laying out on stator tooth 111 of auxiliary winding is held also all equal with the groove number of the stator slot 112 between entering to hold.
As shown in Figure 1, in the present embodiment, the stator 100 of this single phase induction motor has 24 stator slots 112 and 24 stator tooths 111, main winding 21 winding is on stator tooth 111, main winding comprises 12 sections that are connected successively, the span of every section of main winding 21 is seven stator slots 112, and namely the groove number that lay out end and stator slot 112 around enter hold between of every section of electromagnetic wire of main winding 21 on stator tooth 111 is seven.
Thus, the winding construction of traditional unequal span distance to be changed to etc. across winding construction, can effectively avoid stator winding 20 through the inner ring 113 of teeth portion 11, thus guarantee that rotor 200 can facilitate and successfully be inserted into stator 100 inside, and the mode of this kind of direct coiling in teeth portion 11, achieve the significantly reduction of stator 100 end size of single phase induction motor, substantially reduce taking up room of the stator 100 of single phase induction motor, save material cost, reduce efficiency loss.
According to an embodiment of the present utility model, the span of main winding 21 and the span of auxiliary winding all meet relation:
wherein, N is the span of main winding 21 and the span of auxiliary winding, and S is the quantity of stator slot 112, and P is the number of pole-pairs of single phase induction motor.
Be understandable that, N is the groove number that lay out end and stator slot 112 around enter hold between of every section of electromagnetic wire respectively on stator tooth 111 of main winding 21 and auxiliary winding, such as in the example of fig. 1, the span N=7 of main winding 21, S is total groove number of the stator slot 112 of the stator 100 of this single phase induction motor, such as in the example of fig. 1, the quantity S=24 of stator slot 112, P is the magnetic pole logarithm of single phase induction motor, such as in the example of fig. 1, number of pole-pairs P=1, the span of the main winding 21 of the stator 100 of this single phase induction motor meets relation:
such as in the example of fig. 1,3<7<12.
Alternatively, P meets following relational expression: P=1.In other words, magnetic pole due to motor is paired setting, the number of pole-pairs P of the stator 100 of this single phase induction motor is 1, therefore, the stator 100 of this single phase induction motor has two magnetic poles, and the span of main winding 21 and the span of auxiliary winding of this single phase induction motor meet relation: S/8 < N < S/2.Certainly, the utility model is not limited thereto, and number of pole-pairs can also be other values, and such as number of pole-pairs can also equal 2, and wherein, number of pole-pairs is larger, less etc. the span of span winding.
Thus, it is the stator 100 of the single phase induction motor of 1 for number of pole-pairs, if shelter from the inside of stator 100 after adopting the winding method of traditional unequal span distance that coiling can be caused to complete completely, thus it is inner to make rotor 200 cannot be inserted into stator 100, the span winding constructions such as employing can effectively avoid stator winding 20 through the inner ring of stator core 10, thus guarantee that rotor 200 can be inserted into stator 100 inside of single phase induction motor easily, achieve the significantly reduction of stator 100 end size of single phase induction motor, substantially reduce taking up room of the stator 100 of single phase induction motor.
Preferably, according to an embodiment of the present utility model, the quantity Nm that main winding 21 accounts for stator slot 112 meets relation:
wherein, S is the quantity of stator slot 112.
Further, according to an embodiment of the present utility model, the quantity Na that auxiliary winding accounts for stator slot 112 meets relation:
The main winding 21 of single phase induction motor and auxiliary winding are wound on stator tooth 111 respectively, and the winding position of auxiliary winding can stagger with the winding position of main winding 21 and arrange, such as can stagger 90 ° and arrange, wherein, the quantity Na that auxiliary winding accounts for stator slot 112 meets relation:
According to an embodiment of the present utility model, at least one in main winding 21 and auxiliary winding is the span windings such as span winding or bilayer such as individual layer.That is, main winding 21 can be the span windings such as span winding or bilayer such as individual layer, auxiliary winding also can be the span windings such as span winding or bilayer such as individual layer, wherein, the span windings such as individual layer can be understood as electromagnetic wire in 111 coilings of same stator tooth once, and every section of electromagnetic wire lay out end equal with the groove number of the stator slot 112 between entering to hold, the span winding such as double-deck can be understood as electromagnetic wire in 111 coilings twice of same stator tooth, and every section of electromagnetic wire to lay out end equal with the groove number of the stator slot 112 between entering to hold.
As shown in Figure 3 and Figure 4, according to an embodiment of the present utility model, teeth portion 11 is included in multiple silicon steel sheets that yoke portion 12 axially laminates setting, stator slot 112 away from yoke portion 12 one side closed be the notch 1121 of stator slot 112, the height H of notch 1121 in yoke portion 12 radial direction
sOmeet relation: 0.2h≤H
sO≤ 2h, wherein, h is the thickness of each silicon steel sheet.
Particularly, stator core 10 forms primarily of teeth portion 11 and yoke portion 12, wherein the teeth portion 11 of stator core 10 is formed by multiple silicon steel plate stacking, each silicon steel sheet size, shape can be set to unanimously, the position one_to_one corresponding of multiple silicon steel plate stacking, and multiple silicon steel sheet is located in the installing hole 121 in yoke portion 12 along the axis in yoke portion 12.
The stator slot 112 of teeth portion 11 radially stretches out and open at one end in contiguous yoke portion 12, and stator slot 112 forms closed notch 1121 in one end of the central axis in contiguous yoke portion 12, more specifically, and the height H of this notch 1121 in the radial direction in yoke portion 12
sOrelation can be met: 0.2h≤H
sO≤ 2h, wherein, h is the thickness of each silicon steel sheet, namely the height of notch 1121 in the radial direction in yoke portion 12 is not less than 1/5 of the thickness of each silicon steel sheet, the height of notch 1121 in the radial direction in yoke portion 12 is not more than the twice of the thickness of each silicon steel sheet, such as, can the height of the notch 1121 of stator slot 112 be set to equal with the thickness h of each silicon steel sheet.
Thus, by the limitation in height of the notch 1121 of stator slot 112 in above-mentioned scope, be conducive to the magnetic induction strengthening stator core 10, thus improve the efficiency of single phase induction motor.Certainly, the utility model is not limited thereto, and notch 1121 can not also be closed, and that is, notch 1121 can disconnect.
Preferably, according to an embodiment of the present utility model, the width b in yoke portion 12 circumference is all equal for each stator tooth 111.In other words, multiple stator tooths 111 of stator core 10 are arranged spaced apart along its circumference, and the width of each stator tooth 111 on the same position of yoke portion 12 circumference is equal, namely each stator tooth 111 size, shape can be identical, and to be evenly arranged along the circumference in yoke portion 12.
The single phase induction motor according to the utility model embodiment is specifically described below with reference to Fig. 1.
Comprise the stator 100 of the single phase induction motor of rotor 200 and above-described embodiment according to the single phase induction motor of the utility model embodiment, rotor 200 is located at the inner side of stator 100 rotationally.
That is, single phase induction motor forms primarily of the stator 100 of the single phase induction motor of rotor 200 and above-described embodiment, wherein the center of the stator 100 of single phase induction motor is provided with endoporus 113, the stator tooth 111 of the stator 100 of single phase induction motor is wound with stator winding 20, and rotor 200 is located in endoporus 113 rotationally.Certainly, unidirectional induction machine can also comprise rotating shaft (scheming not shown) and shell (scheming not shown) etc., no longer describes in detail here.
Thus, according to the single phase induction motor of the utility model embodiment, by the teeth portion 11 of stator core 10 and yoke portion 12 are independently arranged, significantly can reduce the consumption of electromagnetic wire end, reduce material cost, and the copper factor of electromagnetic wire can be improved dramatically, thus significantly can promote the efficiency of single phase induction motor, moreover, the structure of the span windings such as employing, can guarantee that rotor 200 facilitates and is successfully inserted into stator 100 inside of single phase induction motor, achieve the significantly reduction of stator 100 end size of single phase induction motor, substantially reduce taking up room of the stator 100 of single phase induction motor, reduce material cost, reduce efficiency loss.
Comprise the single phase induction motor of above-described embodiment according to the compressor of the utility model embodiment, this compressor (scheming not shown) can be applied in the electrical equipment such as air conditioner (scheming not shown), dehumidifier (scheming not shown), dryer (scheming not shown) and Teat pump boiler (scheming not shown).Because the stator 100 of the single phase induction motor according to the utility model above-described embodiment has above-mentioned technique effect, therefore, compressor according to the utility model embodiment also has corresponding technique effect, and namely this compressor has miniaturization, and efficiency is high, low cost and other advantages.
According to the compressor of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection, can also be communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. a stator for single phase induction motor, is characterized in that, comprising:
Stator core, described stator core comprises the teeth portion and yoke portion of individually processing, described yoke portion is set in outside described teeth portion, described teeth portion is included in multiple stator tooths of spaced apart distribution in described yoke portion circumference, limit stator slot between two often adjacent described stator tooths, the side, vicinity described yoke portion of described stator slot is opened wide; With
Stator winding, described stator winding comprises main winding and auxiliary winding, and described main winding and the equal winding of described auxiliary winding are on described multiple stator tooth and be positioned at described yoke portion.
2. the stator of single phase induction motor according to claim 1, is characterized in that, described main winding and described auxiliary winding such as to be at the span winding.
3. the stator of single phase induction motor according to claim 2, is characterized in that, the span of described main winding and the span of described auxiliary winding all meet relation:
wherein, N is the span of described main winding and the span of described auxiliary winding, and S is the quantity of described stator slot, and P is the number of pole-pairs of described single phase induction motor.
4. the stator of single phase induction motor according to claim 3, is characterized in that, described P meets following relational expression: P=1.
5. the stator of single phase induction motor according to claim 2, is characterized in that, the quantity Nm that described main winding accounts for described stator slot meets relation:
wherein, S is the quantity of described stator slot.
6. the stator of single phase induction motor according to claim 5, is characterized in that, the quantity Na that described auxiliary winding accounts for described stator slot meets relation:
7. the stator of single phase induction motor according to claim 2, is characterized in that, at least one in described main winding and described auxiliary winding is the span windings such as span winding or bilayer such as individual layer.
8. the stator of single phase induction motor according to claim 1, it is characterized in that, described teeth portion is included in multiple silicon steel sheets that described yoke portion axially laminates setting, described stator slot away from described yoke portion one side closed be the notch of described stator slot, the height H of described notch in described yoke portion radial direction
sOmeet relation: 0.2h≤H
sO≤ 2h, wherein, described h is the thickness of each described silicon steel sheet.
9. the stator of single phase induction motor according to claim 1, is characterized in that, the width of each described stator tooth in described yoke portion circumference is all equal.
10. a single phase induction motor, is characterized in that, comprises the stator of rotor and the single phase induction motor according to any one of claim 1-9, and described rotor is located at the inner side of described stator rotationally.
11. 1 kinds of compressors, is characterized in that, comprise single phase induction motor according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124181.9U CN204442035U (en) | 2015-03-03 | 2015-03-03 | The stator of single phase induction motor and there is its single phase induction motor, compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124181.9U CN204442035U (en) | 2015-03-03 | 2015-03-03 | The stator of single phase induction motor and there is its single phase induction motor, compressor |
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| CN204442035U true CN204442035U (en) | 2015-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716756A (en) * | 2015-03-03 | 2015-06-17 | 广东美芝制冷设备有限公司 | Stator of single-phase induction motor, single-phase induction motor with stator and compressor |
| CN110537319A (en) * | 2017-04-21 | 2019-12-03 | 大金工业株式会社 | Rotating electric machine |
-
2015
- 2015-03-03 CN CN201520124181.9U patent/CN204442035U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716756A (en) * | 2015-03-03 | 2015-06-17 | 广东美芝制冷设备有限公司 | Stator of single-phase induction motor, single-phase induction motor with stator and compressor |
| CN110537319A (en) * | 2017-04-21 | 2019-12-03 | 大金工业株式会社 | Rotating electric machine |
| CN110537319B (en) * | 2017-04-21 | 2020-06-12 | 大金工业株式会社 | Rotating electrical machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20200303 |