WO2017049545A1 - 旋转式压缩机 - Google Patents
旋转式压缩机 Download PDFInfo
- Publication number
- WO2017049545A1 WO2017049545A1 PCT/CN2015/090608 CN2015090608W WO2017049545A1 WO 2017049545 A1 WO2017049545 A1 WO 2017049545A1 CN 2015090608 W CN2015090608 W CN 2015090608W WO 2017049545 A1 WO2017049545 A1 WO 2017049545A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotary compressor
- rotor core
- housing
- end wall
- dst
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/13—Noise
- F04C2270/135—Controlled or regulated
Definitions
- the present invention relates to the field of compressor equipment, and in particular to a rotary compressor.
- a strong pressure pulsation occurs when the high-pressure gas refrigerant inside the compressor is discharged, and most of the noise is generated in the central cavity of the compressor, transmitted to the upper cavity through the rotor vent hole, and finally transmitted from the casing to the compression. Outside the machine.
- the high-pressure refrigerant gas discharged from the compression pump body first reaches the central cavity.
- the central cavity and the upper cavity mainly generate noise in the frequency band of 1000 Hz to 1250 Hz. This part of the noise can be eliminated by the sound insulation cotton, and the air conditioning system will be extremely harsh. , affecting the user experience.
- the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention is directed to a rotary compressor which has the advantages of low noise, simple and reasonable structure, and the like.
- a rotary compressor includes: a housing, a motor, and a compression mechanism, the axial ends of the housing having a first end wall and a second end wall, respectively, the motor including a stator core and a rotor core, in the shell In the axial direction of the body, the maximum distance between the one end surface of the stator core adjacent to the first end wall and the first end wall is Dst, the compression mechanism is located on a side of the motor remote from the first end wall, and the compression mechanism includes a cylinder a component and a main bearing, the main bearing being coupled to a side end surface of the cylinder assembly adjacent to the motor, adjacent to a flange end of the main bearing in an axial direction of the housing and a side end of the rotor core adjacent to the first end wall
- Drt The minimum distance between one end faces of the first end wall is Drt, where Dst and Drt satisfy the relationship: 0.335 ⁇ Dst / Drt ⁇ 0.838.
- the noise during operation of the rotary compressor can be effectively reduced, so that the rotary compressor has a simple and reasonable structure, is simple to assemble, and is effective. Ground to reduce noise and other advantages.
- the Dst and the Drt further satisfy a relationship: 0.568 ⁇ Dst / Drt ⁇ 0.680.
- the rotor core is formed with a through hole through which a central axis is parallel to an axis of rotation of the rotor core.
- the vent holes are axially symmetrically distributed with respect to a first diameter of the rotor core, and a width D of the vent holes in the first diameter direction satisfies: 0.204 mm ⁇ D ⁇ 0.480 mm .
- the D further satisfies: 0.404 mm ⁇ D ⁇ 0.460 mm.
- the outline of the cross section of the vent hole is formed as a curve or a knot of a straight line and a curve Hehe.
- the cross-sectional shape and size of the vent holes are the same in the direction of the rotation axis of the rotor core.
- the vent holes are plural and evenly spaced in the circumferential direction of the rotor core.
- each of the vent holes has the same shape and size.
- the rotor core is rotatably provided inside the stator core.
- FIG. 1 is a cross-sectional view of a rotary compressor in accordance with an embodiment of the present invention
- FIG. 2 is an axial schematic view of a rotor core according to an embodiment of the present invention.
- FIG. 3 is an axial schematic view of a rotor core according to another embodiment of the present invention.
- FIG. 4 is an axial schematic view of a rotor core according to still another embodiment of the present invention.
- FIG. 5 is a graph showing a relationship between a Dst/Drt value and a noise value according to an embodiment of the present invention
- Figure 6 is a graph of D values versus noise values in accordance with an embodiment of the present invention.
- a housing 1 a housing 1; a first housing 11; a first end wall 111;
- a second housing 13 a second housing 13; a second end wall 131;
- Compression mechanism 3 cylinder assembly 31; main bearing 32; flange portion 321;
- a rotary compressor 100 which can convert a low-temperature low-pressure refrigerant into a high-temperature high-pressure refrigerant discharge, will be described below with reference to Figs.
- the rotary compressor 100 may be a vertical compressor or a bedroom compressor, and the following description will be made by taking the rotary compressor 100 as a vertical compressor as an example.
- a rotary compressor 100 includes a housing 1, a motor 2, a compression mechanism 3, and a crankshaft 4.
- the axial ends of the housing 1 respectively have a first end wall 111 and a second end wall 131.
- the housing 1 may include a first housing 11, an intermediate housing 12, and a second housing.
- the intermediate casing 12 may be formed in a cylindrical shape, so that the cylindrical intermediate casing 12 may define a certain accommodation space for facilitating components inside the rotary compressor 100 (for example, the motor shown in FIG. 1). 2 and the installation of the compression mechanism 3).
- a first housing 11 (such as the upper housing shown in FIG. 1) and a second housing 13 (such as the lower housing shown in FIG. 1) are respectively coupled to the axial ends of the intermediate housing 12,
- the first end wall 111 may be the bottom wall surface of the first housing 11
- the second end wall 131 may be the top wall surface of the second housing 13.
- any one of the first housing 11 and the second housing 13 may be integrally formed with the intermediate housing 12.
- the first housing 11 may be integrally formed with the intermediate housing 12 so as to be assembled with zero. After the component, the intermediate casing 12 and the second casing 13 are fixed together to facilitate assembly of the rotary compressor 100, thereby improving production efficiency.
- the second housing 13 can also be integrally formed with the intermediate housing 12, so that after the components are assembled, the intermediate housing 12 and the first housing 11 are fixed together to complete the assembly of the rotary compressor 100.
- the motor 2 is disposed in the housing 1, and the motor 2 includes a stator core 21 and a rotor core 22 in the axial direction of the housing 1 (for example, the up and down direction shown in FIG. 1) of the stator core 21
- the maximum distance between the one end surface adjacent to the first end wall 111 and the first end wall 111 is Dst.
- the upper end surface of the stator core 21 and the first end wall 111 are in the up and down direction. The distance between them is Dst.
- Dst is the maximum between the upper end surface of the stator core 21 and the inner side wall of the first casing 11. distance.
- the compression mechanism 3 is disposed in the housing 1 and located on a side of the motor 2 remote from the first end wall 111.
- the compression mechanism 3 may be disposed below the motor 2, so that the compression mechanism 3 is Motor 2 away from the first end wall 111, and facilitates the installation and cooperation of the motor 2 and the compression mechanism 3.
- the compression mechanism 3 includes a cylinder assembly 31 and a main bearing 32 that is coupled to a side end surface of the cylinder assembly 31 adjacent to the motor 2 (for example, the upper end surface of the cylinder assembly 31 shown in FIG. 1).
- the one end surface of the rotor core 22 adjacent to the first end wall 111 is adjacent to the flange portion 321 of the main bearing 32.
- the minimum distance between one end faces of the end walls 111 is Drt, for example, in the example of Fig. 1, the distance between the upper end face of the rotor core 22 and the uppermost end of the flange portion 321 of the main bearing 32 is Drt.
- Dst and Drt satisfy the relationship: 0.335 ⁇ Dst / Drt ⁇ 0.838.
- the abscissa in FIG. 5 represents the value of Dst/Drt
- the ordinate ⁇ in FIG. 5 represents the rotary compression.
- the noise OA value of the machine 100 during operation specifically, as the Dst/Drt continues to increase, the operating noise OA value of the rotary compressor 100 is gradually reduced to a certain extent, and then gradually increased, through the rotary type
- the different design of the Dst/Drt ratio of the compressor 100 causes the rotary compressor 100 to have different noises. For example, when the Dst/Drt is 0.4, 0.45, 0.55, 0.6, 0.75, the operating noise of the rotary compressor 100 will be It is effectively reduced.
- the motor 2 and the compression mechanism 3 can both be disposed coaxially with the housing 1, that is, the central axis of the crankshaft 4 coincides with the central axis of the housing 1, so that the axis of rotation of the rotor core 22 and the shell
- the central axes of the bodies 1 coincide, and the central axis of the main bearing 32 and the central axis of the cylinder assembly 31 also coincide with the central axis of the housing 1, so that the structure of the rotary compressor 100 can be simplified and rationalized, and the rotary compression is facilitated. Assembly of machine 100.
- the noise during operation of the rotary compressor 100 can be effectively reduced, so that the rotary compressor 100 has a simple and reasonable structure. Simple assembly and effective noise reduction.
- Dst and Drt further satisfy the relationship: 0.568 ⁇ Dst / Drt ⁇ 0.680, for example, when Dst / Drt is 0.58, 0.6 or 0.65, the operating noise of the rotary compressor 100 is near the minimum, thereby knowing that by rotating
- the Dst/Drt value of the compressor 100 is set to 0.568 ⁇ Dst / Drt ⁇ 0.680, and the operating noise of the rotary compressor 100 can be further reduced.
- the high temperature and high pressure refrigerant discharged from the compression mechanism 3 is driven upward, and the rotor core 22 is formed with a through hole 221 therein, thereby facilitating the high temperature and high pressure refrigerant.
- the upward drive reduces noise.
- the central axis of the vent hole 221 is parallel to the rotation axis of the rotor core 22, for example, in the example of FIG. 1, the rotation axis of the rotor core 22 is the up and down direction, so that the central axis of the vent hole 221 can also be the up and down direction. , Thereby, the upward transmission of the high temperature and high pressure refrigerant is further facilitated, and the noise is further effectively reduced.
- the vent holes 221 are axially symmetrically distributed with respect to the first diameter of the rotor core 22, and the width D of the vent holes 221 in the first diameter direction satisfies: 0.204 mm ⁇ D ⁇ 0.480 mm, for example,
- the venting holes 221 may be symmetrically disposed with respect to the first diameter k of the rotor core 22, and the width of the vent holes 221 at the first diameter k is D.
- FIG. 6 it is to be noted that, in FIG.
- the abscissa represents the value of D
- the ordinate ⁇ in Fig. 6 represents the noise OA value at the time of operation of the rotary compressor 100.
- the operating noise of the rotary compressor 100 is gradually increased. Decreasing to a certain extent, and then gradually increasing, by the different design of the D value of the vent hole 221 of the rotary compressor 100, the rotary compressor 100 is made to have different noise, for example, D is 0.25 mm, 0.35. At mm and 0.41 mm, the operating noise of the rotary compressor 100 is effectively reduced.
- the operating noise of the rotary compressor 100 can be effectively reduced by setting the D value of the vent hole 221 of the rotary compressor 100 to 0.204 mm ⁇ D ⁇ 0.480 mm.
- D further satisfies: 0.404 mm ⁇ D ⁇ 0.460 mm, for example, when D is 0.41 mm, 0.43 mm or 0.45 mm, the operating noise of the rotary compressor 100 is nearly the lowest, thereby knowing that by rotating the compression
- the D value of the vent hole 221 of the machine 100 is set to 0.404 mm ⁇ D ⁇ 0.460 mm, and the operating noise of the rotary compressor 100 can be further reduced.
- the outline of the cross section of the vent hole 221 may be formed as a curve or a combination of a straight line and a curved line.
- the cross section of the vent hole 221 may be a hollow arc shape (as shown in FIG. 2). It may also be circular (as shown in FIG. 3), or may be a rounded rectangle (as shown in FIG. 4), thereby facilitating the circulation of the high-temperature and high-pressure refrigerant and reducing the operating noise of the rotary compressor 100.
- the present invention is not limited thereto, and the cross section of the vent hole 221 may also be other curves or a combination of a straight line and a curved line to better meet the actual use requirements.
- the cross-sectional shape and size of the vent holes 221 are the same in the direction of the rotation axis of the rotor core 22 (for example, the up-and-down direction shown in FIG. 1), thereby facilitating the vent holes 221 on the one hand.
- the processing reduces the complexity of the production process of the rotary compressor 100, and on the other hand, makes the flow of the high-temperature and high-pressure refrigerant more uniform when passing through the vent 221, and further reduces the operating noise of the rotary compressor 100.
- the vent holes 221 may be plural and evenly spaced in the circumferential direction of the rotor core 22, that is, the plurality of vent holes 221 are on the circumference of the rotor core 22.
- the arrangement is evenly spaced upwards to facilitate the processing of the venting holes 221 and facilitate the circulation of high temperature and high pressure refrigerant.
- each vent hole 221 has the same shape and size, thereby further facilitating the processing of the vent hole 221, improving the uniformity of circulation of the high temperature and high pressure refrigerant, and thereby effectively reducing the rotary compressor 100. Working noise.
- the rotor core 22 is rotatably disposed inside the stator core 21, and specifically, the outer peripheral wall of the stator core 21 may be fixed to the inner peripheral wall of the casing 1.
- the rotor core 22 can be thermally coupled to the crankshaft 4, thereby effectively improving the mating stability of the motor 2 and the compression mechanism 3, and facilitating assembly of the rotary compressor 100.
- the present invention is not limited thereto, and the rotor core 22 may be rotatably provided outside the stator core 21.
- first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
- features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
- the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
- the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium, can be the internal connection of two components or the interaction of two components .
- installation can be understood on a case-by-case basis.
- the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
- the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
- the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
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- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
Description
Claims (10)
- 一种旋转式压缩机,其特征在于,包括:壳体,所述壳体的轴向两端分别具有第一端壁和第二端壁;电机,所述电机设在所述壳体内,所述电机包括定子铁芯和转子铁芯,在所述壳体的轴向上、所述定子铁芯的邻近所述第一端壁的一侧端面与所述第一端壁之间的最大距离为Dst;压缩机构,所述压缩机构设在所述壳体内且位于所述电机的远离所述第一端壁的一侧,所述压缩机构包括气缸组件和主轴承,所述主轴承连接在所述气缸组件的邻近所述电机的一侧端面上,在所述壳体的轴向上、所述转子铁芯的邻近所述第一端壁的一侧端面与所述主轴承的法兰部的邻近所述第一端壁的一侧端面之间的最小距离为Drt,其中,所述Dst和所述Drt满足关系:0.335≤Dst/Drt≤0.838。
- 根据权利要求1所述的旋转式压缩机,其特征在于,所述Dst和所述Drt进一步满足关系:0.568≤Dst/Drt≤0.680。
- 根据权利要求1所述的旋转式压缩机,其特征在于,所述转子铁芯上形成有贯穿的通气孔,所述通气孔的中心轴线与所述转子铁芯的旋转轴线平行。
- 根据权利要求3所述的旋转式压缩机,其特征在于,所述通气孔关于所述转子铁芯的第一直径呈轴对称分布,所述通气孔在所述第一直径方向上的宽度D满足:0.204mm≤D≤0.480mm。
- 根据权利要求4所述的旋转式压缩机,其特征在于,所述D进一步满足:0.404mm≤D≤0.460mm。
- 根据权利要求3-5中任一项所述的旋转式压缩机,其特征在于,所述通气孔的横截面的轮廓线形成为曲线或直线与曲线的结合。
- 根据权利要求3-6中任一项所述的旋转式压缩机,其特征在于,在所述转子铁芯的旋转轴线方向上、所述通气孔的横截面形状、尺寸均相同。
- 根据权利要求3-7中任一项所述的旋转式压缩机,其特征在于,所述通气孔为多个且在所述转子铁芯的周向上均匀地间隔开。
- 根据权利要求8所述的旋转式压缩机,其特征在于,每个所述通气孔的形状、尺寸均相同。
- 根据权利要求1-9中任一项所述的旋转式压缩机,其特征在于,所述转子铁芯可转动地设在所述定子铁芯的内侧。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017516080A JP2017531755A (ja) | 2015-09-24 | 2015-09-24 | 回転式圧縮機 |
US15/502,309 US20180195512A1 (en) | 2015-09-24 | 2015-09-24 | Rotary compressor |
PCT/CN2015/090608 WO2017049545A1 (zh) | 2015-09-24 | 2015-09-24 | 旋转式压缩机 |
EP15899910.2A EP3354902B1 (en) | 2015-09-24 | 2015-09-24 | Rotary compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2015/090608 WO2017049545A1 (zh) | 2015-09-24 | 2015-09-24 | 旋转式压缩机 |
Publications (1)
Publication Number | Publication Date |
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WO2017049545A1 true WO2017049545A1 (zh) | 2017-03-30 |
Family
ID=58385621
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PCT/CN2015/090608 WO2017049545A1 (zh) | 2015-09-24 | 2015-09-24 | 旋转式压缩机 |
Country Status (4)
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US (1) | US20180195512A1 (zh) |
EP (1) | EP3354902B1 (zh) |
JP (1) | JP2017531755A (zh) |
WO (1) | WO2017049545A1 (zh) |
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CN1896528A (zh) * | 2005-07-13 | 2007-01-17 | 乐金电子(天津)电器有限公司 | 具有两端支撑型旋转轴的旋转压缩机 |
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JP3395539B2 (ja) * | 1996-09-18 | 2003-04-14 | ダイキン工業株式会社 | 回転式圧縮機 |
JP2001342954A (ja) * | 2000-05-31 | 2001-12-14 | Sanyo Electric Co Ltd | 電動圧縮機及びそれを用いた冷却装置 |
JP2008206358A (ja) * | 2007-02-22 | 2008-09-04 | Daikin Ind Ltd | モータおよび圧縮機 |
US8740584B2 (en) * | 2008-08-05 | 2014-06-03 | Mitsubishi Electric Corporation | Induction motor and hermetic compressor |
JP4687810B2 (ja) * | 2009-03-31 | 2011-05-25 | 株式会社富士通ゼネラル | 電動機ロータ |
JP5591099B2 (ja) * | 2010-12-28 | 2014-09-17 | 三菱電機株式会社 | 圧縮機および冷凍サイクル装置 |
JP5786030B2 (ja) * | 2011-10-31 | 2015-09-30 | 東芝キヤリア株式会社 | 密閉型回転式圧縮機と冷凍サイクル装置 |
-
2015
- 2015-09-24 WO PCT/CN2015/090608 patent/WO2017049545A1/zh active Application Filing
- 2015-09-24 JP JP2017516080A patent/JP2017531755A/ja active Pending
- 2015-09-24 US US15/502,309 patent/US20180195512A1/en not_active Abandoned
- 2015-09-24 EP EP15899910.2A patent/EP3354902B1/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3354902B1 (en) | 2024-05-01 |
US20180195512A1 (en) | 2018-07-12 |
EP3354902A1 (en) | 2018-08-01 |
JP2017531755A (ja) | 2017-10-26 |
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