CN1629478A - Electric compressor - Google Patents
Electric compressor Download PDFInfo
- Publication number
- CN1629478A CN1629478A CNA2004100638358A CN200410063835A CN1629478A CN 1629478 A CN1629478 A CN 1629478A CN A2004100638358 A CNA2004100638358 A CN A2004100638358A CN 200410063835 A CN200410063835 A CN 200410063835A CN 1629478 A CN1629478 A CN 1629478A
- Authority
- CN
- China
- Prior art keywords
- stator
- mentioned
- key element
- framework
- motor compressor
- 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.)
- Granted
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Classifications
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provided a permanent magnet rotating electric machine in which a stator core can be assembled by lamination in a die while solving the problem of noise. The motor compressor comprises a tubular frame becoming an enclosed container, a motor element being contained in that tubular frame, and a compressor element being contained in the tubular frame and driven through the motor element wherein the motor element comprises a stator, and a rotor placed rotatably on the inside of the stator and provided with permanent magnets, the stator comprises a stator core and a stator winding wound around the stator core, and the stator core has a large number of laminated stator iron plates and supports the stator on the frame through end plate rings provided on both the end sides of the stator core in the laminating direction.
Description
Technical field
The present invention relates to a kind of formation and be located at the motor compressor of the cooling unit of air-conditioning, refrigerating box, household freezer or show cabinet etc., particularly relate to the motor compressor that has used in rotor configuration the permanent magnet rotary electric machine of permanent magnet as electronic key element.
Background technique
Past, in this permanent magnet rotary electric machine, in staor winding, adopt to concentrate winding, the neodymium permanent magnet of terres rares is adopted in magnetic field, result, the problem that exists the noise of the compressor that uses it etc. to increase.As the noise countermeasure, for example in the motor compressor that is recorded in TOHKEMY 2001-342954 communique (patent documentation 1), propose to cut the inwall of seal container of compressor and the scheme of the axial part of the stator core peripheral part that contacts with this inwall.
(patent documentation 1) TOHKEMY 2001-342954 communique
In above-mentioned prior art, the peripheral shape of the external diameter of stator core is 2 kinds, lamination forms the occasion of stator core in the mould that steps up (concavo-convex joint) (concavo-convex joint is realized by using along the Haake (HAC) that send mould) by use, can carry out lamination in the mould of the stator core that contacts with the inwall of pressurized container, but do not have the reference position for discontiguous stator core, existence can not be carried out the problem of lamination in the mould.
Lamination is the reference position with the periphery of the stator iron plate that forms stator core in the mould, does not produce the not overlapping and lamination in position deflection ground.
Summary of the invention
The object of the present invention is to provide a kind of motor compressor, this motor compressor can be assembled by lamination in the mould of stator core, can solve noise problem.
The invention is characterized in: have the compression key element that becomes the cylinder of seal container framework, is contained in the electronic key element of this cylinder framework and is contained in the cylinder framework and drive by above-mentioned electronic key element, electronic key element has stator and can be arranged at the inboard of this stator freely to rotate and be provided with the rotor of permanent magnet, stator has stator core and is wound in the staor winding of this stator core, stator core has overlapping a plurality of stator iron plates, the both end sides of the stack direction by being located at stator core sandwich member at the supporting framework stator.
According to the present invention, the both end sides of the stack direction by being located at stator core sandwich member at the supporting framework stator, so the vibration of stator is not delivered to framework, can reduce the noise that produces from motor compressor.In addition, the periphery of stator core was contacted with along the interior week of sending mould (ホ ロ one ダ ィ), so, can carry out the assembling of stator core by lamination in the mould.
Description of drawings
Fig. 1 illustrates the motor compressor of the invention process form 1, for the sectional view of axial section configuration is shown.
Fig. 2 illustrates the permanent magnet rotary electric machine of the invention process form, is Q-Q that Fig. 1 the is shown figure of section configuration radially.
Fig. 3 is the figure that the end plate shape of the invention process form is shown.
Fig. 4 is the figure that the relation of the end plate of the invention process form and stator core most peripheral is shown.
Fig. 5 is the figure that the noise level measurement result of the motor compressor that has carried permanent magnet rotary electric machine is shown.
Fig. 6 is the figure of total (OA) value of noise that the motor compressor of the permanent magnet rotary electric machine that carries the invention process form is shown.
Embodiment
Below, describe embodiments of the invention in detail according to Fig. 1～Fig. 6.In each figure, general label is represented same thing.In addition, 4 utmost point permanent magnet rotary electric machines shown here, the number of poles of rotor is 2: 3 with the ratio of the groove number of stator.
At first, the summary from the motor compressor of form of implementation of the present invention begins explanation.
Fig. 1 is the figure that the motor compressor of the invention process form 1 is shown, and axial section configuration is shown, and Fig. 2 is the figure that the permanent magnet rotary electric machine of the invention process form 1 is shown, and the Q-Q that Fig. 1 is shown is section configuration radially.The axial section configuration of the permanent magnet rotary electric machine as electronic key element shown in Figure 1 is the X-X sectional view of permanent magnet rotary electric machine shown in Figure 2.Fig. 3 is the figure of shape that is shown in the end plate ring of Fig. 1.
In Fig. 1, the outward appearance of motor compressor 1 is formed by housing.Housing is made of the loam cake 3 of framework 2 cylindraceous, upper end side, the lower cover 4 of lower end side.Framework 2 is the container of sealing.
In this framework 2, accommodate electronic key element 5 and the compression key element 6 that is called as scroll compressor as permanent magnet rotary electric machine.
Framework 2 is by being flexed into cylindric formation with tabular steel plate.By the upper and lower end of loam cake 3 and lower cover 4 these frameworks 2 of sealing, its sealing is formed the container of sealing.Loam cake 3 and lower cover 4 form airtight construction by welding (not shown) in framework 2.
Compression key element 6 forms by scroll wraps 9 that makes the end plate 8 that stands on fixed scroll member 7 and scroll wraps 12 engagements that stand on the end plate 11 that rotates scroll element 10, make rotation scroll element 10 be rotated motion by crank up axle 13, thereby carry out compressed action.
The pressing chamber 14 that forms by fixed scroll member 7 and rotation scroll element 10 (14a, 14b ...) in the pressing chamber that is positioned at outside diameter along with rotatablely moving towards the central mobile of two scroll elements 7,10, volume dwindles gradually.The center that pressing chamber 14a, 14b reach two scroll elements 7,10 is nearby the time, from exhaust port 16 discharges of pressurized gas from being communicated with pressing chamber 14 of the suction pipe 15 in two pressing chambers 14.
The pressurized gas of discharging arrives in the framework 2 of fixed component 17 bottoms by the gas channel (not shown) of being located at fixed scroll member 7 and fixed component 17, is discharged to outside the motor compressor 1 from the discharge tube 18 of being located at framework 2 sidewalls.
In addition, the electronic key element 5 that is made of permanent magnet rotary electric machine that constitutes motor compressor 1 is turned round by the rotating speed that is suitable for compressed action by frequency conversion (pressures) the device (not shown) control that is provided with separately.Here, the electronic key element 5 that is made of permanent magnet rotary electric machine is by stator 19 and rotor 20 (though not shown, counterweight block is installed at the two ends of rotor 20).The upside of being located at the crank up axle 13 of rotor 20 becomes crankshaft.Form oilhole 21 in the inside of crank up axle 13, the lubricant oil that will be in the oil storage portion 22 of framework 2 bottoms by the revolution of crank up axle 13 supplies to the following side bearing portion 24 of last side bearing portion 23, the ball bearing mode of sliding bearing formula by oilhole 21.In addition, label 25 is a tenminal block, and the electric power of self frequency-changing's device supplies to electronic key element 5 in the future.Label 26 is a base.
Fig. 1, Fig. 2, and Fig. 3 in, the electronic key element 5 that is made of permanent magnet rotating electric machine is made of stator 19 and rotor 20, and stator 19 comprises the stator core 29 that is made of tooth 27 and rear of core 28 and surround the staor winding 31 (U phase winding 31a, the V phase winding 31b, the W phase winding 31c that comprise three phase windings) of the concentrated winding that twines on tooth 27 ground in the groove 30 of 27 in tooth.The recess 32 of D font is set in the periphery of the stator core 29 of tooth 27 parts of living in.
Here, be 4 utmost points, 6 grooves as the electronic key element 5 of permanent magnet rotary electric machine, so, when slot pitch is represented by electric angle 120 degree.Rotor 20 shown in Figure 2 nearby forms permanent magnet patchhole 34 at the outer surface of rotor core 33, this rotor core 33 forms the revolution axis hole 50 that inserts turning axle (not shown), the fixing permanent magnet of being made by the neodymium of terres rares 35 in permanent magnet patchhole 34.Label 36 is the most peripheral of stator core 29, become with turning axle be concentric circles substantially.
Outside diameter at the tooth 27 of stator core 29 forms fixed component patchhole 38.About in the of two of stator 19 (two ends of stack direction) the end plate ring 39 (comprise the end plate ring 39a of upside and the end plate ring 39b of downside, both are identical shaped) that the conduct shown in Fig. 3 (a) and (b) sandwiches member is set.Fig. 3 (a) is the front elevation of the end plate ring 39 seen from the P direction of Fig. 1, and Fig. 3 (b) is the Y-Y sectional view of Fig. 3 (a).End plate ring 39 forms ring-type, and Zhou a part is provided with a plurality of end plate extending portions 40 within it, forms fixed component protuberance 41 (circular bar shape) at this end plate extending portion 40.
After the fixation method of stator 19 and framework 2 at first is pressed into the fixed component protuberance 41 of end plate ring 39 in the fixed component patchhole 38 that is formed at stator 19, end plate ring 39 hot chargings are fixed to the inner peripheral surface 37 of framework 2.Like this, the end plate ring 39 of the stack direction both end sides by being located at stator core 29 is at framework 2 supporting stators 19.
Therefore, stator 19 is the annulus vibration of pattern 2, but because stator core 29 is not contacted with framework inner peripheral surface 37, so framework 2 vibrates vibrative occasion by the annulus of pattern 2 and tails off.
Fig. 4 is the relation that the end plate ring and the stator core most peripheral of stator end are shown.
In Fig. 4, because stator core most peripheral 36 is between the periphery circle and interior Zhou Yuan of end plate ring 39, so, at the both sides (two ends of stack direction) of stator 19 configuration end plate ring 39, when being pressed into fixed component protuberance 41 in the fixed component patchhole 38 alignedly, stator 19 becomes the state that (two ends of stack direction) are pushed by end plate ring 39 from both sides.At this moment, between fixed component protuberance 40 and stator core most peripheral 36, form space portion 42.Be present in the effect that space portion 42 between this fixed component protuberance 40 and the stator core most peripheral 36 plays passage, the lubricant oil that this passage will be in the oil storage portion 22 of framework 2 bottoms by the revolution of turning axle 13 by oilhole 21 supplies to the last side bearing portion 23 of sliding bearing type, this oil is fallen turn back to oil storage portion 22 again.Like this, two bearings portion 23,24 keeps lubricated often.
Fig. 5 is with illustrating the noise that above-mentioned motor compressor 1 is measured.The cooling and heating ability of this motor compressor 1 is nominal 2.2kW～2.8kW, encloses R410A as refrigerant and makes its work.Measure microphone in the position of the axial central part of the electronic key element 5 that constitutes by permanent magnet rotary electric machine, leave 1m and measure (rice).
The transverse axis of Fig. 5 is a frequency content, and the longitudinal axis is a noise, and the motor compressor in the past and the determination data of motor compressor of the present invention are shown in the lump.The stator core 29 of the motor compressor in past is along evenly (the same ground) contact of stack direction (axially).
As shown in Figure 5, for 200Hz, 400Hz, 8kHz, and 10kHz composition, the noise ratio of motor compressor 1 of the present invention increases in the past slightly, but in addition frequency content, the noise ratio of motor compressor 1 of the present invention reduces in the past significantly.Fig. 6 illustrates total (OA) value of noise.As shown in Figure 6, the noise ratio of motor compressor 1 of the present invention has reduced 10dB in the past significantly.
Reduce about this noise, support by (two ends of stack direction) about 39 pairs of stators 19 of end plate ring, end plate ring 39 hot chargings are fixed to the inner peripheral surface 37 of framework 2, thereby make stator 19 be the annulus vibration of pattern 2, but for this vibration, owing to stator core 29 does not contact with framework inner peripheral surface 37, so, framework 2 vibrates vibrative occasion minimizing by the annulus of pattern 2, and noise also descends.
Though reply is carried out lamination with the stator iron plate of punch press stamping-out, make stator core 29, this is stacked in and is called along carrying out in the palletizing die that send mould (ホ ロ one ダ ィ).The external diameter of the most peripheral 36 of stator core 29 and the internal diameter of palletizing die roughly, so, even carry out lamination in the mould, stator iron plate in mould also not towards radially offset position, well unified under the state of stack direction (axially) lamination.
Therefore, can provide noise little and available being called along sending the palletizing die of mould (ホ ロ one ダ ィ) to carry out the stator core of lamination.
In addition, compressor shown in Figure 1 is called as scroll compressor, in top configuration compression key element, disposes electronic key element in the bottom.In another form of implementation in addition, exist electronic key element to be positioned at upside (top), compress the rotary compressor (not shown) that key element is positioned at the structure of downside (bottom).This rotary compressor becomes the structure that does not have bearing at upside.This is in order to reduce manufacture cost.Motor compressor of the present invention is also applicable at this rotary compressor.
In form of implementation of the present invention, the shape that conduct sandwiches the end plate ring of member is shown, but as for stator core being contacted with the formation in week in the framework, then certain end plate ring shape in addition that also can be.Can use and be divided into a plurality of end plate rings, be located at the various forms of members that sandwich between week in stator core and the framework to devices spaced apart.
In addition, there is shatter test in motor compressor.For it can be born, as make the axial length of end plate enough then no problem, but cost increase when the axial length of end plate is elongated.Therefore, though not shown, also can shorten the axial length of end plate, offer through hole in the part of framework, by this through hole by tack welding ( Star Network welds) fixed frame and end plate.
Claims (9)
1. motor compressor is characterized in that: have the compression key element that becomes the cylinder of seal container framework, is contained in the electronic key element of this cylinder framework and is contained in above-mentioned cylinder framework and drive by above-mentioned electronic key element,
Above-mentioned electronic key element has stator and can be arranged at the inboard of this stator freely to rotate and be provided with the rotor of permanent magnet,
Said stator has stator core and is wound in the staor winding of this stator core,
The said stator iron core has overlapping a plurality of stator iron plates,
The both end sides of the stack direction by being located at the said stator iron core sandwich member in framework upper support said stator.
2. motor compressor is characterized in that: have the compression key element that becomes the cylinder of seal container framework, is contained in the electronic key element of this cylinder framework and is contained in above-mentioned cylinder framework and drive by above-mentioned electronic key element,
Above-mentioned electronic key element has stator and can be arranged at the inboard of this stator freely to rotate and be provided with the rotor of permanent magnet,
Said stator has stator core and is wound in the staor winding of this stator core,
The said stator iron core has overlapping a plurality of stator iron plates,
The end plate ring of the both end sides of the stack direction by being located at the said stator iron core is in above-mentioned framework upper support said stator.
3. motor compressor according to claim 2 is characterized in that: above-mentioned end plate loop contacts is in the inner peripheral surface of above-mentioned framework, and has than the big external diameter of said stator periphery unshakable in one's determination.
4. motor compressor according to claim 2 is characterized in that: at above-mentioned end plate ring the fixed component protuberance is set,
Both ends of the surface at the stack direction of said stator iron core are provided with the fixed component patchhole that said fixing member protuberance inserts.
5. motor compressor according to claim 2 is characterized in that: the through hole of the framework that penetrates into above-mentioned cylinder is set at the residing position of above-mentioned end plate ring, fixes above-mentioned framework and end plate ring at the position of this through hole by welding.
6. motor compressor according to claim 2 is characterized in that: the space portion that has the lubricant oil circulation between the periphery of the inner peripheral surface of above-mentioned end plate ring and stator core.
7. motor compressor according to claim 2 is characterized in that: the said stator winding is by concentrating winding to be wound into the tooth of said stator iron core.
8. motor compressor according to claim 2 is characterized in that: above-mentioned compression key element is a scroll compressor, disposes above-mentioned compression key element on top, disposes above-mentioned electronic key element in the bottom.
9. motor compressor according to claim 1 is characterized in that: above-mentioned compression key element is a scroll compressor, disposes above-mentioned compression key element in the bottom, disposes above-mentioned electronic key element on top.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003417609A JP2005184874A (en) | 2003-12-16 | 2003-12-16 | Motor compressor |
| JP417609/2003 | 2003-12-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1629478A true CN1629478A (en) | 2005-06-22 |
| CN100365276C CN100365276C (en) | 2008-01-30 |
Family
ID=34780059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100638358A Expired - Fee Related CN100365276C (en) | 2003-12-16 | 2004-07-13 | Electric compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005184874A (en) |
| KR (1) | KR100573947B1 (en) |
| CN (1) | CN100365276C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994700A (en) * | 2009-08-24 | 2011-03-30 | 三洋电机株式会社 | Compressor |
| CN106062367A (en) * | 2013-12-01 | 2016-10-26 | 阿斯彭压缩机有限责任公司 | Compact low noise rotary compressor |
| CN106416001A (en) * | 2014-07-01 | 2017-02-15 | 三菱电机株式会社 | Interior permanent magnet electric motor, compressor, and refrigerating and air-conditioning device |
| CN109391067A (en) * | 2017-08-08 | 2019-02-26 | 株式会社东芝 | Stator core bearing device and rotating electric machine |
| USD887788S1 (en) | 2017-05-17 | 2020-06-23 | Dometic Sweden Ab | Cooler |
| USD888503S1 (en) | 2017-05-17 | 2020-06-30 | Dometic Sweden Ab | Cooler |
| USD933449S1 (en) | 2016-11-22 | 2021-10-19 | Dometic Sweden Ab | Latch |
| US11414238B2 (en) | 2016-11-22 | 2022-08-16 | Dometic Sweden Ab | Cooler |
| US11614086B2 (en) | 2016-12-30 | 2023-03-28 | Aspen Compressor, Llc | Flywheel assisted rotary compressors |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5109737B2 (en) * | 2008-03-13 | 2012-12-26 | トヨタ自動車株式会社 | Method for manufacturing split stator core |
| JP5444850B2 (en) * | 2009-05-27 | 2014-03-19 | ダイキン工業株式会社 | Compressor |
| JP2012082792A (en) * | 2010-10-14 | 2012-04-26 | Calsonic Kansei Corp | Electric compressor |
| KR101447038B1 (en) * | 2012-03-07 | 2014-10-06 | 엘지전자 주식회사 | Scroll compressor |
| JP6436784B2 (en) * | 2015-01-09 | 2018-12-12 | アイチエレック株式会社 | Electric motor and compressor |
| JP2018184880A (en) * | 2017-04-25 | 2018-11-22 | 日立ジョンソンコントロールズ空調株式会社 | Motor compressor |
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| DE2617370B2 (en) * | 1976-04-21 | 1978-03-02 | Danfoss A/S, Nordborg (Daenemark) | Motor compressor driven by an electric motor |
| JPS5448917U (en) * | 1977-09-13 | 1979-04-05 | ||
| JPS5857252U (en) * | 1981-10-13 | 1983-04-18 | 株式会社東芝 | Stator fixing device for motors for hermetic compressors |
| JPS58193741U (en) * | 1982-06-09 | 1983-12-23 | 三菱電機株式会社 | Fixing device for stator core of rotating electric machine |
| JPS60166238U (en) * | 1984-04-12 | 1985-11-05 | 三菱電機株式会社 | Stator of rotating electric machine |
| JPS6181148A (en) * | 1984-09-26 | 1986-04-24 | Toshiba Corp | Stator of induction motor for driving railway train and manufacture thereof |
| JP2712777B2 (en) * | 1990-07-13 | 1998-02-16 | 三菱電機株式会社 | Scroll compressor |
| JPH05168203A (en) * | 1991-12-11 | 1993-07-02 | Mitsubishi Electric Corp | Manufacture of rotary electric machine |
| JPH06147149A (en) * | 1992-11-11 | 1994-05-27 | Sanyo Electric Co Ltd | Scroll compressor |
| US5873710A (en) * | 1997-01-27 | 1999-02-23 | Copeland Corporation | Motor spacer for hermetic motor-compressor |
| JPH11332155A (en) * | 1998-05-08 | 1999-11-30 | Toshiba Corp | Stator for motor and closed type motor-operated compressor |
| KR100376125B1 (en) * | 2000-07-06 | 2003-03-15 | 삼성광주전자 주식회사 | Hall Sensor Fixing Structure of Resin Motor |
| JP3963211B2 (en) * | 2001-12-07 | 2007-08-22 | 三菱電機株式会社 | Hermetic compressor |
| JP2003274579A (en) * | 2002-03-18 | 2003-09-26 | Matsushita Electric Ind Co Ltd | Stator for hermetically sealed compressor motor |
| JP4120266B2 (en) * | 2002-05-24 | 2008-07-16 | ダイキン工業株式会社 | Compressor |
-
2003
- 2003-12-16 JP JP2003417609A patent/JP2005184874A/en active Pending
-
2004
- 2004-07-13 CN CNB2004100638358A patent/CN100365276C/en not_active Expired - Fee Related
- 2004-08-19 KR KR1020040065253A patent/KR100573947B1/en not_active IP Right Cessation
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994700A (en) * | 2009-08-24 | 2011-03-30 | 三洋电机株式会社 | Compressor |
| CN106062367B (en) * | 2013-12-01 | 2019-11-19 | 阿斯彭压缩机有限责任公司 | Compact type low-noise rotary compressor |
| CN106062367A (en) * | 2013-12-01 | 2016-10-26 | 阿斯彭压缩机有限责任公司 | Compact low noise rotary compressor |
| US10670017B2 (en) | 2013-12-01 | 2020-06-02 | Aspen Compressor, Llc | Compact low noise rotary compressor |
| US10608486B2 (en) | 2014-07-01 | 2020-03-31 | Mitsubishi Electric Corporation | Interior permanent magnet electric motor, compressor, and refrigerating and air-conditioning device |
| CN106416001B (en) * | 2014-07-01 | 2019-02-19 | 三菱电机株式会社 | Permanent magnetic baried type motor, compressor and refrigerating air conditioning device |
| CN106416001A (en) * | 2014-07-01 | 2017-02-15 | 三菱电机株式会社 | Interior permanent magnet electric motor, compressor, and refrigerating and air-conditioning device |
| USD995264S1 (en) | 2016-11-22 | 2023-08-15 | Dometic Sweden Ab | Latch |
| USD985359S1 (en) | 2016-11-22 | 2023-05-09 | Dometic Sweden Ab | Latch |
| USD933449S1 (en) | 2016-11-22 | 2021-10-19 | Dometic Sweden Ab | Latch |
| US11414238B2 (en) | 2016-11-22 | 2022-08-16 | Dometic Sweden Ab | Cooler |
| US11535425B2 (en) | 2016-11-22 | 2022-12-27 | Dometic Sweden Ab | Cooler |
| US11614086B2 (en) | 2016-12-30 | 2023-03-28 | Aspen Compressor, Llc | Flywheel assisted rotary compressors |
| USD887788S1 (en) | 2017-05-17 | 2020-06-23 | Dometic Sweden Ab | Cooler |
| USD888503S1 (en) | 2017-05-17 | 2020-06-30 | Dometic Sweden Ab | Cooler |
| CN109391067A (en) * | 2017-08-08 | 2019-02-26 | 株式会社东芝 | Stator core bearing device and rotating electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050061274A (en) | 2005-06-22 |
| CN100365276C (en) | 2008-01-30 |
| KR100573947B1 (en) | 2006-04-26 |
| JP2005184874A (en) | 2005-07-07 |
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