CN101083408A - Closed compressor and manufacturing method therefor - Google Patents
Closed compressor and manufacturing method therefor Download PDFInfo
- Publication number
- CN101083408A CN101083408A CNA2007100917932A CN200710091793A CN101083408A CN 101083408 A CN101083408 A CN 101083408A CN A2007100917932 A CNA2007100917932 A CN A2007100917932A CN 200710091793 A CN200710091793 A CN 200710091793A CN 101083408 A CN101083408 A CN 101083408A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- end ring
- conjunction
- projection
- rotor core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/12—Kind or type gaseous, i.e. compressible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/20—Manufacture essentially without removing material
- F05B2230/25—Manufacture essentially without removing material by forging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2280/00—Materials; Properties thereof
- F05B2280/10—Inorganic materials, e.g. metals
- F05B2280/105—Copper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Induction Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention discloses a sealed compressor which can improve efficiency and save cost when occurring bad circumstance during the process of manufacturing rotor, and its manufacturing method. The sealed compressor comprises a stator and a rotor rotating through the electromagnetism reciprocity with the stator. The rotor includes: a rotor core forming from multiply-laminated iron plate; a combination body which is integrative with the rotor core through aluminium drawing die casting; and at least a end loop, which is manufactured separated with the combination body and combines with the combination body.
Description
Technical field
The present invention relates to hermetic type compressor and manufacture method thereof, relate in particular to employed rotor and manufacture method thereof in the hermetic type compressor.
Background technology
General hermetic type compressor possesses: the airtight container that forms outward appearance; Compression set, it is disposed at the inside of above-mentioned airtight container, and cold-producing medium is compressed; And drive unit, it provides actuating force to above-mentioned compression set.
The double drive device is the device that compression set is provided actuating force, and it possesses: the stator that is fixed in the inside of airtight container; And rotor, itself and stator are spaced apart, and carry out the electro permanent magnetic interaction with stator.
As shown in Figure 1, the rotor 1 that forms the part of drive unit possesses: many iron plate laminations and the rotor core 2 that forms; Be disposed at the end ring 3 of the upper end and the lower end of rotor core 2 respectively.This end ring 3 is integrally formed by aluminium die casting and rotor core 2 usually.
For above-mentioned end ring 3 and rotor core 2 is integrally formed, rotor core 2 is put into the upper die that disposes the shape with top end ring 3a and bottom end ring 3b and the mould of lower mould.After pouring the aluminum solutions of fusion into above-mentioned mould then, aluminum solutions is incorporated into the inboard of the groove 4 that is formed at rotor core 2 and hardens, and has formed the bottom end ring 3b that forms in rotor core 2 lower ends, the rod (bar) (not shown) of rotor core 2, the top end ring 3a that forms in the upper end of rotor core 2 after the aluminum solutions sclerosis.
If in hermetic type compressor with the rotor 1 that forms like that as mentioned above, the coil that is wrapped on the stator (not shown) is applied electric current, at stator magnetic field takes place then, and by the magnetic field that occurs in said stator on rotor 1 induced electromotive force.At the electromotive force of above-mentioned rotor 1 and electric current flows through rod (not shown) and the end ring 3 that is made of aluminium, above-mentioned electric current forms magnetic field once more by induction, thereby rotor 1 rotates.
Fig. 2 passes through the cutaway view of the end ring 3 of aluminium die casting manufacturing as mentioned above like that, if make end ring 3 by the aluminium die casting, then as shown in the figure like that at the inside of end ring 3 formation bubble 5.The bubble 5 that is formed at end ring 3 inside like this plays a role as resistance when electric current flows through end ring 3, thereby becomes the main cause that reduces compressor efficiency.
Have, the conductance difference along with the material difference of above-mentioned end ring 3 is because therefore the conductivity of the aluminium that uses as the foundry goods of die casting improves on the compressor efficiency limited than copper difference again.
Have again because rotor core 2 is integrally manufactured by die casting with top and the bottom end ring 3a, 3b, if so unfavorable condition takes place during die casting, then not only discard end ring 3, but also will discard rotor core 2, thereby big loss takes place economically.
Summary of the invention
The present invention is in order to solve aforesaid problem, and it is a kind of by not forming bubble at end ring that its first purpose is to provide, and can improve the hermetic type compressor and the manufacture method thereof of compressor efficiency thus.
Have, second purpose of the present invention is to provide a kind of conductance by the raising end ring again, thereby can improve the hermetic type compressor and the manufacture method thereof of compressor efficiency.
Have again, even the 3rd purpose of the present invention is to provide a kind of hermetic type compressor and manufacture method thereof that unfavorable condition also can reduce loss economically that take place when carrying out die casting.
The present invention according to hermetic type compressor of the present invention, possesses stator and rotor rotated is characterized in that by carrying out with said stator that electro permanent magnetic interacts in order to achieve the above object, and above-mentioned rotor comprises: the rotor core that many iron plate laminations are formed; By aluminium die casting and the incorporate combination of above-mentioned rotor core; With at least one end ring, it separates manufacturing with above-mentioned combination, and combines with above-mentioned combination.
Have, it is characterized in that, above-mentioned combination comprises to one side-prominent a plurality of in conjunction with projection, and above-mentioned at least one end ring comprises and is used to make above-mentioned a plurality of patchhole that inserts in conjunction with projection.
Have, it is characterized in that, above-mentioned combination also comprises the holding section, when insert above-mentioned each in conjunction with projection after, when above-mentioned each clashed in conjunction with projection, above-mentioned each blocked by above-mentioned holding section in conjunction with projection expands in the horizontal.
Have, it is characterized in that, above-mentioned at least one end ring forms by forging processing and manufacturing.
Have, it is characterized in that, above-mentioned at least one end ring forms with copper production.
The present invention in order to achieve the above object, manufacture method according to hermetic type compressor of the present invention, it is characterized in that, the combination manufacturing step, it makes many iron plate laminations and the rotor core that forms and integrated by aluminium die casting and above-mentioned rotor core, and is formed with a plurality of combinations in conjunction with projection; The end ring manufacturing step, it makes at least one end ring by copper is forged processing; Interim number of assembling steps, it assembles by a plurality ofly being inserted into above-mentioned at least one end ring in conjunction with projection with above-mentioned temporarily; And integrating step, it makes above-mentioned end ring combine with above-mentioned combination by clashing in conjunction with projection having passed through the above-mentioned a plurality of of above-mentioned at least one end ring.
Description of drawings
Fig. 1 is the stereogram of the rotor of the existing hermetic type compressor of expression.
Fig. 2 is the cutaway view that cuts off along A-A ' among Fig. 1.
Fig. 3 is the cutaway view according to the hermetic type compressor of one embodiment of the invention.
Fig. 4 is the exploded perspective view of the rotor in the hermetic type compressor of Fig. 3.
Fig. 5 is the stereogram of expression state that the rotor among Fig. 4 is assembled.
Among the figure: the 10-airtight container; The 30-drive unit; The 32-rotor; The 40-rotor core; The 45-combination; 46-is in conjunction with projection; 50-end ring (end ring); The 51-patchhole; The 52-holding section; 55-calking portion.
Embodiment
Below, with reference to accompanying drawing, according to a preferred embodiment of the invention hermetic type compressor is described in detail.
As shown in Figure 3, the hermetic type compressor according to one embodiment of the invention possesses: with bottom container 11 and upper container 12 in conjunction with the airtight container 10 that forms; Be disposed at the compression set 20 of sealing container 10 inside, it compresses cold-producing medium; With drive unit 30, it provides power to above-mentioned compression set 20.
Wherein, compression set 20 possesses: cylinder block (cylinder block) 21, and it forms the discharge chambe 21a that cold-producing medium is compressed; Piston 22, it carries out the straight line back and forth movement in discharge chambe 21a inside, and cold-producing medium is compressed; Cylinder head (cylinder head) 23, its mode according to seal compression chamber 21a combines with cylinder block 21 1 sides, and suction chamber 23a and discharge chamber 23b are divided formation; With valve gear 26, it is disposed between above-mentioned cylinder block 21 and the cylinder head 23, to being drawn into discharge chambe 21a from suction chamber 23a or controlling to the mobile of cold-producing medium of discharging chamber 23b discharge from discharge chambe 21a.
Actuating force is provided drive unit 30 so that above-mentioned piston 22 carries out back and forth movement in discharge chambe 21a inside, and it possesses: be wound with the stator 31 of coil 21a, it is fixed in the inside of airtight container 10; With rotor 32, it is arranged at stator interior and separates predetermined distance with stator, carries out electro permanent magnetic with stator and interacts.Center configuration at rotor 32 has the rotating shaft 33 that rotates with rotor 32, disposes the eccentric part 34 of eccentric rotation in the bottom of rotating shaft 33.Connecting rod 35 combines with above-mentioned eccentric part 34, the off-centre of eccentric part 34 is converted to the straight line back and forth movement of piston 22.
If the coil 31a to the stator 31 of this hermetic type compressor applies power supply, then utilize the electro permanent magnetic of stator 31 between rotor 32 to interact rotor rotated 32 and rotating shaft 33 rotations, and carry out the straight line back and forth movement in the inside of discharge chambe 21a by the piston 22 that connecting rod 35 is connected with eccentric part 34.By the way, the cold-producing medium of airtight container 10 outer sides is drawn into after the suction chamber 23a of cylinder head 23, be delivered to discharge chambe 21a after, compress in discharge chambe 21a inside.After refrigerant compressed among the discharge chambe 21a being discharged to once more the discharge chamber 23b of cylinder head 23, be discharged to airtight container 10 outsides.
On the other hand, as shown in Figure 4 and Figure 5, the rotor 32 that has formed the part of drive unit 30 possesses: the rotor core 40 that many iron plate laminations are formed; The combination 45 integrally formed with rotor core 40; With end ring 50, it separates manufacturing with rotor core 40, and combines with the top and bottom of rotor core 40 respectively.
As mentioned above, do not make end ring 50 and rotor core 40 integrated, be, in order to prevent the end ring 50 inner bubbles that form but end ring 50 and rotor core 40 are separated the reason of making by aluminium die casting (die casting) processing.
Combine with rotor core 40 in order to separate the end ring of making 50, formed combination 45 with rotor core 40, this combination 45 possess from the top and bottom of rotor core 40 respectively rotor core 40 axially give prominence to a plurality of in conjunction with projection 46.Above-mentioned combination 45 is integrated by aluminium die casting processing and rotor core 40.
On the other hand, for can be in conjunction with end ring 50 and combination 45, end ring 50 possesses: patchhole 51, and it is formed at and the corresponding position, the position in conjunction with projection 46 that is formed with combination 45, and is used for insertion in conjunction with projection 46; With holding section 52, when each clashed into each in conjunction with projection 46 in conjunction with projection 46 backs when insertion, each expanded in the horizontal in conjunction with projection 46, and the part in conjunction with projection 46 after the expansion is blocked by this holding section 52.
As mentioned above, by copper being carried out make the end ring 50 that combines with combination 45 as forging processing such as mold pressings (press).Because the intrinsic resistance of copper is 1.67 and little more a lot of than the intrinsic resistance 2.9 of aluminium, so the conductance of copper is high more a lot of than the electric conductance of aluminium.So very big electric current can flow through end ring 50 and form high-intensity magnetic field, therefore can improve the efficient of compressor.Have again,, therefore do not produce bubble in end ring 50 inside owing to make end ring 50 by forging processing.
Next, the manufacture method to employed rotor 32 in the above-mentioned hermetic type compressor describes.
At first, with many iron plate laminations, form rotor core 40.This is identical with the process that formed rotor core 40 in the past.
If after above-mentioned rotor core 40 being put into the mould of the mould that is formed with combination 45 shapes, the aluminum solutions of fusion is poured into, then aluminum solutions is introduced into by the groove 41 that is formed at rotor core 40 and is integrally formed with rotor core 40, and forms the combination 45 that possesses in conjunction with projection 46 respectively in the top and bottom of rotor core 40.
On the other hand, copper is forged processing, make the end ring 50 that possesses patchhole 51 and holding section 52 in modes such as mold pressings.
Then, by being formed on the patchhole 51 in conjunction with projection 46 insertion end ring 50 of combination 45, combination 45 and end ring 50 are assembled temporarily.
As mentioned above, under the state that combination 45 and end ring 50 are assembled temporarily, clash into by patchhole 51 usefulness hammers etc., then expand in the horizontal in conjunction with the end of projection 46, the part in conjunction with projection 46 after the expansion is stuck portion 52 and blocks, thereby forms calking portion 55.So, can not fall into patchhole 51 in conjunction with projection 46, so combination 45 combines with end ring 50.
As above detailed description,,, therefore can prevent the inner bubble that produces of end ring owing to be not to make but make when making end ring by forging processing by casting according to hermetic type compressor of the present invention and manufacture method thereof.
Have again,, therefore can improve the efficient of compressor because the electricity consumption conductance copper higher than aluminium constitutes end ring.
Have again,, also need not discard end ring in the die casting course of processing even therefore unfavorable condition takes place because end ring and rotor core are separated manufacturing.
Claims (6)
1, a kind of hermetic type compressor, it possesses stator and rotor rotated is characterized in that by interacting with said stator generation electro permanent magnetic, and above-mentioned rotor comprises:
Many iron plate laminations and the rotor core that forms;
By aluminium die casting and the incorporate combination of above-mentioned rotor core; With
At least one end ring, it separates manufacturing with above-mentioned combination, and combines with above-mentioned combination.
2, hermetic type compressor according to claim 1 is characterized in that,
Above-mentioned combination comprises to one side-prominent a plurality of in conjunction with projection, and above-mentioned at least one end ring comprises and is used to make above-mentioned a plurality of patchhole that inserts in conjunction with projection.
3, hermetic type compressor according to claim 2 is characterized in that,
Above-mentioned combination also comprises the holding section, when insert above-mentioned each in conjunction with projection after, when above-mentioned each clashed in conjunction with projection, above-mentioned each blocked by above-mentioned holding section in conjunction with projection expands in the horizontal.
4, hermetic type compressor according to claim 1 is characterized in that,
Above-mentioned at least one end ring forms by forging processing and manufacturing.
5, hermetic type compressor according to claim 1 is characterized in that,
Above-mentioned at least one end ring forms with copper production.
6, a kind of manufacture method of hermetic type compressor is characterized in that, comprising:
The combination manufacturing step, it makes many iron plate laminations and the rotor core that forms and integrated by aluminium die casting and above-mentioned rotor core, and is formed with a plurality of combinations in conjunction with projection;
The end ring manufacturing step, it makes at least one end ring by copper is forged processing;
Interim number of assembling steps, it assembles by a plurality ofly being inserted into above-mentioned at least one end ring in conjunction with projection with above-mentioned temporarily; With
Integrating step, it makes above-mentioned end ring combine with above-mentioned combination by clashing in conjunction with projection having passed through the above-mentioned a plurality of of above-mentioned at least one end ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20060047900 | 2006-05-29 | ||
| KR1020060047900A KR20070114415A (en) | 2006-05-29 | 2006-05-29 | Hermetic compressor and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101083408A true CN101083408A (en) | 2007-12-05 |
Family
ID=38849453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100917932A Pending CN101083408A (en) | 2006-05-29 | 2007-04-11 | Closed compressor and manufacturing method therefor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2007315377A (en) |
| KR (1) | KR20070114415A (en) |
| CN (1) | CN101083408A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439827A (en) * | 2009-04-25 | 2012-05-02 | Ksb股份公司 | Short-circuit rotor having cast short-circuit bars |
| CN101656447B (en) * | 2009-08-12 | 2012-05-02 | 湖州南洋电机有限公司 | Manufacturing method of motor rotor with lower aluminum consumption and motor rotor |
| CN103999333A (en) * | 2011-11-16 | 2014-08-20 | 瑞美技术有限责任公司 | Electric machine with end ring and supporting tab |
| CN104167843A (en) * | 2014-09-05 | 2014-11-26 | 珠海凌达压缩机有限公司 | Motor rotor and air conditioner with same |
| CN105122598A (en) * | 2013-04-17 | 2015-12-02 | 西门子公司 | Electrical machine having a flux-concentrating permanent magnet rotor and reduction of the axial leakage flux |
| CN112072810A (en) * | 2020-08-25 | 2020-12-11 | 广州市昊志机电股份有限公司 | Copper-aluminum composite rotor, aluminum casting mold and manufacturing method thereof |
| CN112260495A (en) * | 2020-12-23 | 2021-01-22 | 四川富生电器有限责任公司 | Production process of motor rotor of household refrigerator compressor for reducing mechanical noise |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5282591B2 (en) * | 2009-02-02 | 2013-09-04 | マツダ株式会社 | Rotating electric machine |
| JP5917374B2 (en) * | 2012-11-13 | 2016-05-11 | 三菱電機株式会社 | Method for manufacturing a cage rotor |
| US20140339950A1 (en) * | 2013-05-18 | 2014-11-20 | Tesla Motors, Inc. | Rotor Assembly with Electron Beam Welded End Caps |
| CN110504802B (en) * | 2018-05-16 | 2021-05-04 | 高力热处理工业股份有限公司 | Method for manufacturing motor rotor and motor rotor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54141415U (en) * | 1978-03-27 | 1979-10-01 | ||
| JPH08205492A (en) * | 1995-01-30 | 1996-08-09 | Toyo Electric Mfg Co Ltd | Rotor of squirrel-cage type induction motor |
| JP2000265957A (en) * | 1999-03-15 | 2000-09-26 | Toshiba Corp | Compressor |
| JP4281217B2 (en) * | 2000-06-01 | 2009-06-17 | パナソニック株式会社 | Self-starting permanent magnet synchronous motor |
| JP2004007949A (en) * | 2002-03-27 | 2004-01-08 | Honda Motor Co Ltd | Rotor of induction motor |
| JP2005102483A (en) * | 2003-08-18 | 2005-04-14 | Asmo Co Ltd | Rotor for induction motor, and induction motor |
-
2006
- 2006-05-29 KR KR1020060047900A patent/KR20070114415A/en not_active Application Discontinuation
-
2007
- 2007-03-22 JP JP2007074689A patent/JP2007315377A/en active Pending
- 2007-04-11 CN CNA2007100917932A patent/CN101083408A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439827A (en) * | 2009-04-25 | 2012-05-02 | Ksb股份公司 | Short-circuit rotor having cast short-circuit bars |
| CN102439827B (en) * | 2009-04-25 | 2014-08-27 | Ksb股份公司 | Short-circuit rotor having cast short-circuit bars |
| CN101656447B (en) * | 2009-08-12 | 2012-05-02 | 湖州南洋电机有限公司 | Manufacturing method of motor rotor with lower aluminum consumption and motor rotor |
| CN103999333A (en) * | 2011-11-16 | 2014-08-20 | 瑞美技术有限责任公司 | Electric machine with end ring and supporting tab |
| CN103999333B (en) * | 2011-11-16 | 2016-11-09 | 瑞美技术有限责任公司 | There is end ring and support the motor of protuberance |
| CN105122598A (en) * | 2013-04-17 | 2015-12-02 | 西门子公司 | Electrical machine having a flux-concentrating permanent magnet rotor and reduction of the axial leakage flux |
| CN105122598B (en) * | 2013-04-17 | 2017-09-01 | 西门子公司 | Motor with axially and tangentially flux concentration |
| US10135309B2 (en) | 2013-04-17 | 2018-11-20 | Siemens Aktiengesellschaft | Electrical machine having a flux-concentrating permanent magnet rotor and reduction of the axial leakage flux |
| CN104167843A (en) * | 2014-09-05 | 2014-11-26 | 珠海凌达压缩机有限公司 | Motor rotor and air conditioner with same |
| CN112072810A (en) * | 2020-08-25 | 2020-12-11 | 广州市昊志机电股份有限公司 | Copper-aluminum composite rotor, aluminum casting mold and manufacturing method thereof |
| CN112260495A (en) * | 2020-12-23 | 2021-01-22 | 四川富生电器有限责任公司 | Production process of motor rotor of household refrigerator compressor for reducing mechanical noise |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007315377A (en) | 2007-12-06 |
| KR20070114415A (en) | 2007-12-04 |
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| RJ01 | Rejection of invention patent application after publication |
Open date: 20071205 |