WO2016006229A1 - 密閉型圧縮機およびそれを用いた冷凍装置 - Google Patents
密閉型圧縮機およびそれを用いた冷凍装置 Download PDFInfo
- Publication number
- WO2016006229A1 WO2016006229A1 PCT/JP2015/003400 JP2015003400W WO2016006229A1 WO 2016006229 A1 WO2016006229 A1 WO 2016006229A1 JP 2015003400 W JP2015003400 W JP 2015003400W WO 2016006229 A1 WO2016006229 A1 WO 2016006229A1
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- WIPO (PCT)
- Prior art keywords
- stator
- bearing
- hermetic compressor
- peripheral surface
- shaft
- 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
- 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
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- 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
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- 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
- F04B39/0094—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 crankshaft
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- 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
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
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- 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
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
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- 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
- F04B39/14—Provisions for readily assembling or disassembling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/02—Compression machines, plants or systems with non-reversible cycle with compressor of reciprocating-piston type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
- F25B31/023—Compressor arrangements of motor-compressor units with compressor of reciprocating-piston type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
Definitions
- the present invention relates to a hermetic compressor and a refrigeration apparatus such as a home electric refrigerator-freezer and a showcase using the same.
- this type of hermetic compressor uses an outer rotor type motor suitable for downsizing and thinning instead of an inner rotor type motor in order to reduce size and height (for example, patents) Reference 1).
- the inner rotor type motor the rotor rotates inside the stator as an electric element.
- the outer rotor type motor the rotor rotates outside the stator.
- FIG. 7 is a side view showing a bearing mechanism and an electric element of a conventional hermetic compressor (see Patent Document 1).
- the conventional hermetic compressor includes a shaft 8 including a main shaft 4 and an eccentric shaft 6 and a bearing 10 that supports the main shaft 4. Sliding portions 12 and 14 are formed on the outer peripheral surface of the main shaft 4 and the inner peripheral surface of the bearing 10, respectively.
- the electric element 18 is an outer rotor type motor composed of a stator 20 and a rotor 22 arranged so as to surround the stator 20 and coaxially with the stator 20.
- the stator 20 is fixed to the outer peripheral surface 23 of the bearing 10 by welding, shrink fitting, press fitting, or the like. There is a sliding portion 14 on the inner periphery of the bearing 10 to which the stator 20 is fixed.
- a permanent magnet 28 is disposed at the outer peripheral end 26 of the disk-shaped frame 24.
- the rotor 22 is fixed to the outer periphery of the lower end of the shaft 8 by shrink fitting or the like by a cylindrical rotor shaft hole 30 formed at the center of the frame 24.
- the present invention solves the conventional problems.
- the present invention avoids solid contact between the bearing and the main shaft by reducing the deformation of the inner peripheral surface of the fixed bearing when the stator is fixed to the outer peripheral surface of the bearing, thereby generating wear.
- an object of the present invention is to provide a highly durable hermetic compressor.
- the hermetic compressor of the present invention accommodates an electric element and a compression element driven by the electric element in an airtight container.
- the compression element includes a shaft composed of a main shaft and an eccentric shaft, a cylinder block having a bearing and a cylinder that supports the main shaft of the shaft, a piston that reciprocates in the cylinder, an eccentric shaft, and a piston.
- the electric element is an outer rotor type motor that includes a stator and a rotor that is disposed coaxially with the stator so as to surround the outer periphery of the stator.
- the stator is fixed to the outer peripheral surface of the bearing with an adhesive.
- the stator since the stator is fixed to the outer peripheral surface of the bearing with an adhesive, deformation of the inner peripheral surface of the bearing is reduced as compared with the case where the stator is fixed by welding, shrink fitting, press fitting, or the like. it can. Thereby, the solid contact which generate
- FIG. 1 is a cross-sectional view of a hermetic compressor according to Embodiment 1 of the present invention.
- FIG. 2 is an enlarged cross-sectional view showing a fixed portion of the stator and the bearing of the hermetic compressor according to the first embodiment of the present invention.
- FIG. 3 is a bottom view of the stator and the bearing of the hermetic compressor according to the first embodiment of the present invention as seen from below.
- FIG. 4 is another enlarged cross-sectional view showing a fixed portion of the stator and the bearing of the hermetic compressor according to Embodiment 1 of the present invention.
- FIG. 5 is another enlarged cross-sectional view showing a fixed portion of the stator and the bearing of the hermetic compressor according to the first embodiment of the present invention.
- FIG. 6 is a schematic diagram showing a refrigeration apparatus according to Embodiment 2 of the present invention.
- FIG. 7 is a side view showing a bearing mechanism and an electric element of a conventional hermetic compressor.
- FIG. 1 is a cross-sectional view of a hermetic compressor according to Embodiment 1 of the present invention.
- FIG. 2 is an enlarged cross-sectional view showing a fixed part of the stator and the bearing of the hermetic compressor.
- FIG. 3 is a bottom view of the stator and the bearing of the hermetic compressor as viewed from below.
- the hermetic compressor according to the present embodiment includes a compressor main body 108 including an electric element 104 and a compression element 106 inside a hermetic container 102 formed by drawing a steel plate.
- the compression element 106 is driven by the electric element 104.
- the compressor main body 108 is elastically supported by the suspension spring 120.
- the refrigerant gas 122 is sealed at a relatively low temperature at a pressure equivalent to that of the low pressure side of the refrigeration apparatus (not shown).
- the refrigerant gas 122 is, for example, hydrocarbon-based R600a having a low global warming potential.
- Lubricating oil 124 is sealed in the inner bottom portion of the sealed container 102.
- the compression element 106 includes a shaft 126, a cylinder block 128, a piston 130, a connecting portion 132, and the like.
- the shaft 126 includes an eccentric shaft 134, a main shaft 136, and an oil supply mechanism 138 that supplies the oil 124 from the lower end of the main shaft 136 immersed in the oil 124 to the upper end of the eccentric shaft 134.
- the cylinder block 128 is integrally formed with a cylinder 142 that forms the compression chamber 140 and a bearing 144 that rotatably supports the main shaft 136.
- the main shaft 136 has a non-sliding portion 146 formed by hollowing out the outer diameter of the main shaft 136 at a part of the sliding portion 137 with the inner peripheral surface 164 of the bearing 144. Further, the non-sliding portion 146 of the main shaft 136 is disposed between the upper end and the lower end of the bearing 144.
- the electric element 104 is an outer rotor type motor that includes a stator 150 and a rotor 152 that surrounds the stator 150 and is arranged coaxially with the stator 150.
- a permanent magnet 158 is disposed on the outer peripheral end 156 of the disk-shaped frame 154.
- a cylindrical rotor shaft hole 160 formed at the center of the frame 154 is fixed to the outer periphery of the lower end of the main shaft 136 by press-fitting, welding, or shrink fitting.
- the stator 150 is provided with a fitting portion 167 and a fitting portion 169 on the upper end surface 165 and the lower end surface 166, respectively. Further, the inner peripheral surface of the stator 150 other than the fitting portion 167 and the fitting portion 169 has an inner diameter larger than that of the fitting portion 167 and the fitting portion 169, and takes a certain gap from the outer peripheral surface 162 of the bearing 144. ing.
- the fitting portion 169 of the stator 150 has an opening that opens in a gap between the inner peripheral surface other than the fitting portion 167 and the fitting portion 169 and the outer peripheral surface 162 of the bearing 144. 170 is provided.
- the stator 150 is fixed to a gap between the outer peripheral surface 162 of the bearing 144 and the inner peripheral surface of the stator 150 with an adhesive 163 excellent in heat resistance such as an epoxy system poured from the opening 170. Yes.
- the bearing 144 is made of an iron-based material containing carbon.
- the bearing 144 is made of an iron-based material having a carbon content of 1% or more and 10% or less in order to improve slidability and seizure resistance with the main shaft 136 and to ensure strength.
- the material of the bearing 144 is iron and the carbon content is 1% or more, it is difficult to fix the stator 150 to the bearing 144 by welding because the bearing 144 becomes brittle during welding.
- the stator 150 can be stably fixed to the bearing 144.
- the carbon content is usually preferably up to 7%.
- the bearing 144 is an iron-based material having a carbon content of 1% or more, the bearing 144 becomes brittle during welding and cannot be easily fixed.
- the stator 150 is fixed to the bearing 144 with the adhesive 163, the bearing 144 can be stably fixed even with an iron-based material having a carbon content of 1% or more.
- the outer rotor type stator 150 as in the present embodiment is usually fixed to the outer peripheral surface 162 of the bearing 144 by press fitting, welding, or shrink fitting. For this reason, the inner peripheral surface 164 of the bearing 144 at the position where the stator 150 is fixed is deformed, and solid contact is easily generated between the sliding portion 137 of the main shaft 136 and the stator 150, and wear easily occurs.
- stator 150 of the hermetic compressor according to the present embodiment is fixed to the outer peripheral surface 162 of the bearing 144 with the adhesive 163, an excessive force is applied to the bearing 144 such as press fitting, welding, or shrink fitting. Will not work. Therefore, it is possible to suppress the occurrence of distortion on the inner peripheral surface 164 of the bearing 144.
- the inner peripheral surface of the bearing can be obtained by the fitting portion 167 and the fitting portion 169 of the stator 150. 164 and the deterioration of the coaxiality of the outer peripheral surface of the stator 150 can be suppressed. Therefore, the gap between the stator 150 and the rotor 152 can be kept uniform. Therefore, the efficiency of the hermetic compressor is improved.
- the inner peripheral surface other than the fitting portion 167 and the fitting portion 169 of the stator 150 has a certain gap with the outer peripheral surface 162 of the bearing 144.
- the fitting portion 169 is provided with an opening 170 that opens in a gap between the inner peripheral surface of the stator 150 and the outer peripheral surface 162 of the bearing 144.
- the adhesive 163 can be easily sealed from the opening 170 into the gap between the inner peripheral surface of the stator 150 and the outer peripheral surface 162 of the bearing 144. Therefore, productivity is improved. Further, the stator 150 and the bearing 144 can be securely fixed.
- a plurality of openings 170 may be provided. Thereby, the ease of encapsulating the adhesive 163 is further improved.
- FIG. 4 is another enlarged cross-sectional view showing a fixed portion between the stator 150 and the bearing 144 of the hermetic compressor according to the first embodiment of the present invention.
- a gap for sealing the adhesive 163 is provided on the bearing 144 side.
- the electromagnetic steel plate of the stator 150 can be made into the same shape.
- FIG. 5 is still another enlarged cross-sectional view showing a fixed portion between the stator 150 and the bearing 144 of the hermetic compressor according to the first embodiment of the present invention.
- the upper side of the paper surface is the upper side of the stator 150.
- the fitting portion 167 is provided in the upper half of the stator 150. Thereby, the adhesive 163 can be easily put.
- the hermetic compressor accommodates the electric element 104 and the compression element 106 driven by the electric element 104 in the hermetic container 102.
- the compression element 106 also includes a shaft 126 composed of a main shaft 136 and an eccentric shaft 134, and a cylinder block 128 having a bearing 144 and a cylinder 142 that support the main shaft 136 of the shaft 126.
- the compression element 106 includes a piston 130 that reciprocates within the cylinder 142, and a connecting portion 132 that connects the eccentric shaft 134 and the piston 130.
- the electric element 104 is an outer rotor type motor including a stator 150 and a rotor 152 disposed so as to surround the outer periphery of the stator 150 and coaxially with the stator 150.
- the stator 150 is fixed to the outer peripheral surface 162 of the bearing 144 with an adhesive 163.
- fitting portions 167 and 169 that fit with the outer peripheral surface 162 of the bearing 144 may be provided on a part of the inner peripheral portion of the stator 150.
- the fitting portions 167 and 169 are provided on the upper end surface 165 and the lower end surface 166 of the stator 150, and a gap is provided between the inner peripheral portion of the stator 150 other than the fitting portions 167 and 169 and the outer peripheral surface 162 of the bearing 144. May be. Thereby, it becomes easy to enclose the adhesive 163 between the inner peripheral portion of the stator 150 and the outer peripheral surface 162 of the bearing 144. Therefore, the outer peripheral surface 162 of the bearing 144 and the stator 150 can be reliably fixed.
- the adhesive 163 and the oil 124 are separated by the fitting portions 167 and 169. As a result, it is possible to prevent the oil 124 from attacking the adhesive 163, to suppress the deterioration of the adhesive 163 itself, and to suppress the generation of substances that adversely affect the oil 124 and the refrigerant gas 122 from the adhesive 163. . As a result, the reliability of the hermetic compressor can be improved.
- fitting portions 167 and 169 may be provided with an opening 170 that opens in a gap between the inner peripheral portion of the stator 150 and the outer peripheral surface 162 of the bearing 144.
- the adhesive 163 can be easily injected into the gap provided in the inner peripheral portion of the stator 150 and the outer peripheral surface 162 of the bearing 144. Therefore, productivity can be improved.
- a plurality of openings 170 may be provided. Thereby, the ease of encapsulating the adhesive 163 is further improved.
- a gap may be provided on the bearing 144 side.
- the electromagnetic steel plate of the stator 150 can be made into the same shape.
- fitting portion 167 may be provided in the upper half of the stator 150 on the eccentric shaft side. Thereby, the adhesive 163 can be easily put.
- the bearing 144 may be made of an iron-based material containing carbon. Thereby, the bearing 144 can ensure the improvement of the slidability and seizure resistance with the main shaft 136 and the strength.
- the bearing 144 may contain 1% or more and 7% or less of carbon. Thereby, the stator 150 can be stably fixed to the bearing 144.
- FIG. 6 is a schematic diagram showing a refrigeration apparatus according to Embodiment 2 of the present invention.
- the hermetic compressor described in Embodiment 1 is mounted on the refrigerant circuit 310. An outline of the basic configuration of the refrigeration apparatus will be described.
- the refrigeration apparatus includes a main body 302 formed of a heat-insulating box having an opening with a door, a partition wall 308 that partitions the inside of the main body 302 into an article storage space 304 and a machine room 306, and storage. And a refrigerant circuit 310 that cools the inside of the space 304.
- the refrigerant circuit 310 has a configuration in which the compressor 312 that is the hermetic compressor described in the first embodiment, the radiator 314, the decompression device 316, and the heat absorber 318 are connected in a ring shape.
- the heat absorber 318 is disposed in a storage space 304 provided with a blower (not shown).
- the cooling heat of the heat absorber 318 is agitated so as to circulate in the storage space 304 by the blower, as shown by an arrow in FIG. 6, and the storage space 304 is cooled.
- the refrigeration apparatus described above includes the compressor 312 that is the hermetic compressor described in the first embodiment. That is, the compressor 312 suppresses distortion generated on the inner peripheral surface 164 of the bearing 144 by fixing the stator 150 to the outer peripheral surface 162 of the bearing 144 with the adhesive 163. Further, solid contact between the inner peripheral surface 164 of the bearing 144 and the main shaft 136 is avoided. Therefore, a highly durable hermetic compressor that prevents the occurrence of wear is provided. Therefore, the durability of the refrigeration apparatus can be improved.
- the refrigeration apparatus of the present embodiment includes the refrigerant circuit 310 in which the compressor 312, the radiator 314, the decompression device 316, and the heat absorber 318 are connected in a ring shape by piping.
- the compressor 312 may be the hermetic compressor described in the first embodiment. Thereby, the performance and durability of the refrigeration apparatus can be improved.
- the present invention can provide a highly durable hermetic compressor and refrigeration apparatus. Therefore, the present invention is not limited to home use such as an electric refrigerator or an air conditioner, and can be widely applied to refrigeration apparatuses such as commercial showcases and vending machines.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressor (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
図1は、本発明の実施の形態1における密閉型圧縮機の断面図である。図2は、同密閉型圧縮機の固定子と軸受の固定部分を示す拡大断面である。図3は、同密閉型圧縮機の固定子と軸受を下部から見た下面図である。
図6は、本発明の実施の形態2における冷凍装置を示す模式図である。ここでは、冷凍装置は、冷媒回路310に、実施の形態1で説明した密閉型圧縮機を搭載する。冷凍装置の基本構成の概略について説明する。
104 電動要素
106 圧縮要素
108 圧縮機本体
120 サスペンションスプリング
122 冷媒ガス
124 オイル
126 シャフト
128 シリンダブロック
130 ピストン
132 連結部
134 偏心軸
136 主軸
137 摺動部
138 給油機構
140 圧縮室
142 シリンダ
144 軸受
146 非摺動部
150 固定子
152 回転子
154 フレーム
156 外周端部
158 永久磁石
160 回転子軸孔
162 外周面
163 接着剤
164 内周面
165 上端面
166 下端面
167,169 嵌め合い部
170 開口部
302 本体
304 貯蔵空間
306 機械室
308 区画壁
310 冷媒回路
312 圧縮機
314 放熱器
316 減圧装置
318 吸熱器
Claims (10)
- 密閉容器内に、電動要素と、前記電動要素によって駆動される圧縮要素とを収容し、
前記圧縮要素は、
主軸と偏心軸とから構成されるシャフトと、
前記シャフトの前記主軸を軸支する軸受とシリンダとを有するシリンダブロックと、
前記シリンダ内で往復運動するピストンと、
前記偏心軸と前記ピストンとを連結する連結部と、を備え、
前記電動要素は、
固定子と、前記固定子の外周を囲むように、および、前記固定子と同軸に配置された回転子と、を備えたアウターロータ型モータとし、かつ、
前記固定子が前記軸受の外周面へ接着剤で固定された密閉型圧縮機。 - 前記固定子の内周部の一部に軸受の外周面と嵌合する嵌め合い部が設けられた請求項1に記載の密閉型圧縮機。
- 前記嵌め合い部が前記固定子の上端面と下端面に設けられ、前記嵌め合い部以外の前記固定子の内周部と前記軸受の外周面に隙間が設けられた請求項2に記載の密閉型圧縮機。
- 前記嵌め合い部に前記固定子の内周部と前記軸受の外周面との隙間に開口する開口部が設けられた請求項3に記載の密閉型圧縮機。
- 前記開口部が複数設けられた請求項4に記載の密閉型圧縮機。
- 前記隙間が前記軸受側に設けられた請求項3に記載の密閉型圧縮機。
- 前記嵌め合い部が前記固定子の前記偏心軸側の上半分に設けられた請求項2に記載の密閉型圧縮機。
- 前記軸受が炭素を含んだ鉄系材質である請求項1に記載の密閉型圧縮機。
- 前記軸受が前記炭素を1%以上7%以下含んだ請求項8に記載の密閉型圧縮機。
- 圧縮機、放熱器、減圧装置、吸熱器を配管によって環状に連結した冷媒回路を有し、前記圧縮機が、請求項1から9のいずれか一項に記載の密閉型圧縮機である冷凍装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/118,859 US20170058880A1 (en) | 2014-07-07 | 2015-07-07 | Sealed compressor and refrigeration device using the same |
CN201580009748.0A CN106030105A (zh) | 2014-07-07 | 2015-07-07 | 密闭式压缩机和使用该密闭式压缩机的制冷装置 |
JP2016532436A JPWO2016006229A1 (ja) | 2014-07-07 | 2015-07-07 | 密閉型圧縮機およびそれを用いた冷凍装置 |
EP15818527.2A EP3168474A4 (en) | 2014-07-07 | 2015-07-07 | Sealed compressor and refrigeration device using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2014139342 | 2014-07-07 | ||
JP2014-139342 | 2014-07-07 |
Publications (1)
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WO2016006229A1 true WO2016006229A1 (ja) | 2016-01-14 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2015/003400 WO2016006229A1 (ja) | 2014-07-07 | 2015-07-07 | 密閉型圧縮機およびそれを用いた冷凍装置 |
Country Status (5)
Country | Link |
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US (1) | US20170058880A1 (ja) |
EP (1) | EP3168474A4 (ja) |
JP (1) | JPWO2016006229A1 (ja) |
CN (1) | CN106030105A (ja) |
WO (1) | WO2016006229A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017195523A1 (ja) * | 2016-05-09 | 2017-11-16 | 日本電産テクノモータ株式会社 | 圧縮機 |
WO2018207737A1 (ja) * | 2017-05-08 | 2018-11-15 | パナソニックIpマネジメント株式会社 | 密閉型圧縮機およびそれを用いた冷凍装置 |
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Also Published As
Publication number | Publication date |
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US20170058880A1 (en) | 2017-03-02 |
JPWO2016006229A1 (ja) | 2017-04-27 |
EP3168474A4 (en) | 2017-07-05 |
CN106030105A (zh) | 2016-10-12 |
EP3168474A1 (en) | 2017-05-17 |
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