WO2004081384A1 - 密閉型圧縮機 - Google Patents
密閉型圧縮機 Download PDFInfo
- Publication number
- WO2004081384A1 WO2004081384A1 PCT/JP2004/002950 JP2004002950W WO2004081384A1 WO 2004081384 A1 WO2004081384 A1 WO 2004081384A1 JP 2004002950 W JP2004002950 W JP 2004002950W WO 2004081384 A1 WO2004081384 A1 WO 2004081384A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- passage
- rotor
- compression mechanism
- oil
- Prior art date
Links
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
- 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
-
- 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
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
Definitions
- the present invention relates to a hermetic compressor used for refrigeration, air conditioning, refrigerators, and the like for business use, home use, and vehicles.
- FIG. 1 showing a hermetic scroll compressor according to the present embodiment.
- the hermetic scroll compressor includes a compression mechanism 2, an electric motor 3 for driving a compression mechanism 2 provided below the compression mechanism 2, and a rotational force of the electric motor 3 in a closed vessel 1. It has a crankshaft 4 for transmission. Furthermore, oil 6 for holding oil 6 held in an oil reservoir 20 provided at a lower portion in the closed container 1 is supplied to a bearing 66 of the crankshaft 4 and a sliding portion of the compression mechanism 2 through the crankshaft 4. It has mechanism 7.
- the oil 6 is forcibly supplied to the bearing portion 66 and the sliding portion of the compression mechanism 2 against the gravity by the oil supply mechanism 7, so that a smooth operation can be ensured.
- the refrigerant gas 27 compressed by the compression mechanism 2 cools the electric motor 3 through a portion of the electric motor 3 in the closed container 1, and is then discharged out of the closed container 1.
- the oil supplied to the bearing part 66 and the sliding part of the compression mechanism 2 moves downward by the supply pressure and gravity and is naturally collected in the oil reservoir 20.
- the refrigerant gas 27 since the refrigerant gas 27 always contacts the oil 6, the refrigerant gas 27 accompanies the oil 6 and brings in the oil when the refrigerant gas is supplied from the closed container to the refrigeration cycle.
- the gas discharged from the compression mechanism 2 flows from the discharge chamber 31 in the container at the upper part of the compression mechanism to the compression mechanism communication path 32, the communication path 34, the rotor path 36, the rotor lower chamber 35, A gas passage in the container is provided so that the gas passes through the lower portion of the electric motor 3, the stator passage 37, the stator upper chamber 38, and the external discharge port 39 sequentially and is discharged out of the closed container 1.
- the compression mechanism communication passage 32 communicates from the discharge chamber 31 in the container to the lower part of the compression mechanism 2; the communication passage 34 extends from the compression mechanism communication passage 32 to the rotor upper chamber 33.
- the rotor passage 36 is provided in the rotor 3b so as to communicate the rotor upper chamber 33 with the rotor lower chamber 35; the stator passage 37 is provided in the stator 3a.
- Numeral 39 denotes an airtight container 1 provided at a height equal to or higher than the height of the stator upper chamber 38.
- the hermetic compressor of the present invention provides a rotor having a rotor passage communicating the rotor upper chamber and the rotor lower chamber, and having the stator communicate the upper part of the stator with the lower part of the stator.
- a communication passage is provided, and an isolation wall for the stator passage and the stator communication passage is provided above the stator.
- the partition wall is substantially in contact with or close to the passage cover to form a seal portion, and a rotor upper chamber is formed.
- FIG. 1 is a longitudinal sectional view of a hermetic compressor showing a first embodiment of the present invention.
- FIG. 2 is an enlarged longitudinal sectional view of a main part of a hermetic compressor showing a second embodiment of the present invention.
- FIG. 3 is an enlarged longitudinal sectional view of a main part of a hermetic compressor according to a fourth embodiment of the present invention.
- FIG. 1 shows an example of a hermetic compressor for a refrigeration cycle incorporating a vertical scroll type compression mechanism according to Embodiment 1 of the present invention.
- the hermetic compressor according to the first embodiment of the present invention includes a main bearing member 11 of a crankshaft 4 fixed in a closed container 1 by welding or shrink fitting by Shrink fit by heat or the like. It has a scroll-type compression mechanism 2 composed of a revolving scroll 13 that interlocks with the fixed scroll 12 between the fixed scroll 12 and the fixed scroll 12 that has been stopped. Between the orbiting scroll 13 and the main bearing member 11 A rotation restricting mechanism 14 that prevents the scroll 13 from rotating and guides the scroll 13 to move in a circular orbit is provided, such as an Oldham ring. When the orbiting scroll 13 is eccentrically driven by the main shaft portion 4a at the upper end of the crankshaft 4, the orbiting scroll 13 orbits.
- the suction pipe 1 communicating with the outside of the closed vessel 1 is used.
- the refrigerant gas sucked from 6 through the inlet 17 on the outer periphery of the fixed scroll 12 is compressed.
- the refrigerant gas having a predetermined pressure or more is discharged into the closed container 1 by pushing and opening the reed valve 19 from the discharge port 18 at the center of the fixed scroll 12.
- the hermetic compressor according to Embodiment 1 of the present invention repeats a series of the above processes.
- the lower end of the crankshaft 4 reaches the oil reservoir 20 at the lower end of the closed container 1, and is supported by the sub-bearing member 21 fixed in the closed container 1 by welding or shrink fitting, so that it can rotate stably.
- An electric motor 3 composed of a stator 3 a fixed to the closed casing 1 by welding or shrink fitting, and a rotor 3 b integrally connected around the middle of the crankshaft 4 includes a main bearing member 1 1 And the auxiliary bearing member 21.
- balance weights 23, 24 fixed by pins 22 are provided on the outer peripheral portions of the upper and lower end surfaces of the rotor 3b, whereby the rotor 3b and the crankshaft 4 rotate stably, The orbiting scroll 13 can be stably moved in a circular orbit.
- the crankshaft 4 has an oil supply hole 26 formed in the axial direction.
- the oil supply mechanism 7 supplies the oil 6 in the oil reservoir 20 to the compression mechanism 2 through the oil supply hole 26 by a pump 25 driven by the lower end of the crankshaft 4, and a bearing part included in the compression mechanism 2. Oil 6 is supplied to 6 and each sliding part.
- the compressor according to the first embodiment of the present invention has a gas passage A in the container in order to prevent the problem.
- the gas passage A in the container is a passage for the refrigerant gas 27 discharged from the compression mechanism 2, from the discharge chamber 31 in the container above the compression mechanism 2 to the compression mechanism communication path 32, and the communication path 34 turns.
- the compression mechanism communication passage 32 is a passage that communicates between the discharge chamber 31 in the container and the lower part of the compression mechanism 2;
- the communication passage 34 is a passage from the compression mechanism communication passage 32 to the upper rotor chamber 33.
- the rotor passage 36 is a passage provided in the rotor 3 b so as to connect the rotor upper chamber 33 and the rotor lower chamber 35; and the stator communication path 72 is A passage provided in the stator 3a so that the stator upper chamber 38 communicates with the lower part of the motor 3 including the rotor lower chamber 35; the stator passage 37 is a lower and upper part of the stator 3a. 3a or a passage provided between the stator 3a and the closed vessel 1 so as to communicate with each other; the stator upper chamber 38 is provided around the outside of the communication path 34; The passage 43 is provided in the compression mechanism 2; the external discharge port 39 is provided in the closed vessel 1 at a height equal to or higher than the height of the stator upper chamber 38.
- the in-vessel discharge chamber 31 of the in-vessel gas passage A and the compression mechanism communication passage 32 are arranged on the outer peripheral side of the compression mechanism 2 and the bearing 66 thereof, and the refrigerant discharged from the compression mechanism 2
- the gas 27 is collectively discharged into the communication path 34 below the compression mechanism 2.
- the communication path 3 guides the discharged refrigerant gas 27 to the rotor upper chamber 33 and the stator upper chamber 38.
- an isolation wall 73 between the stator passage 37 and the stator communication passage 72 is provided above the stator 3a. Since the separating wall 73 is provided, the refrigerant gas 27 is effectively restrained in the same direction.
- the refrigerant gas 27 leaks not only from the rotor passage 36 and the stator communication passage 7 2, but also from the gap between the windings 75 of the stator 3 a to the inner periphery of the sealed container 1. Will be issued. In this case, the refrigerant gas 27 that has risen up the stator passage 37 merges with the refrigerant gas 27 and the refrigerant gas 27 whose gas-liquid separation is not complete is discharged out of the closed vessel 1.
- the partition wall 73 plays a role of effectively guiding the refrigerant gas 27 while preventing such problems.
- the remaining refrigerant gas 27 and the refrigerant gas 27 that has effectively risen up the stator passage 37 by separating the oil 6 are effectively separated by the stator passage 37 and the partition wall 73. It is led to the stator communication passage 72.
- the refrigerant gas 27 guided to the stator communication path 72 has an effect of effectively cooling the heat generated in the stator 3a, and also has an effect of improving the efficiency of the electric motor 3. Therefore, the motor 3 according to the first embodiment, in which the rotor passage 36 and the stator communication passage 72 are provided side by side, can achieve higher efficiency than a motor having only the rotor passage 36. You.
- the refrigerant gas 27 from which the oil 6 has been separated as described above passes through the stator passage 37 and reaches the stator upper chamber 38 further outside the communication passage 34 around the bearing 66.
- the liquid is discharged from the external discharge port 39 to the outside of the closed container 1 via a compression mechanism rising passage 43 provided in the compression mechanism 2. That is, refrigerant gas 2 7 from which oil 6 was separated Since the oil does not come into contact with the refrigerant gas 27 accompanying the oil 6, the oil can be discharged to the outside of the closed vessel 1 in a state where the oil is sufficiently separated and supplied to the refrigeration cycle.
- the refrigerant gas 27 discharged from the compression mechanism 2 passes through the rotor passage 36 and the stator communication passage 72 and the stator passage 37, so that the motor 3 can be efficiently cooled. it can.
- the external discharge port 39 may be provided in the stator upper chamber 38 of the closed container 1, but as shown in FIG. 1, the external discharge port 39 is provided in the compression mechanism upper chamber 42 of the closed container 1, Further, it is more preferable to provide a compression mechanism ascending passage 43 between the compression mechanism 2 or the compression mechanism 2 and the closed casing 1 so that the compression mechanism upper chamber 42 and the stator upper chamber 38 communicate with each other. With such a configuration, the refrigerant gas 27 collides with the compression mechanism 2 when entering the compressor structure ascending passage 43 from the stator upper chamber 38, so that the refrigerant gas 27 still remains in the refrigerant gas 27. Oil 6 can be further separated, and the oil 6 separation effect can be further enhanced.
- the rotor is provided with a rotor passage that allows the upper rotor chamber and the lower rotor chamber to communicate with each other, and the stator is provided with the upper part of the stator. And a lower portion, and a stator communication passage communicating the lower portion with the lower portion, and an isolation wall between the stator passage and the stator communication passage are provided above the stator.
- Gas 27 can be supplied to the refrigeration cycle, which has the effect of preventing pipe pressure loss during the refrigeration cycle and reducing heat exchange efficiency in heat exchangers such as condensers and evaporators.
- the present invention is applied to a closed-type compressor for a refrigeration cycle having a built-in vertical scroll mechanism.
- the compression target is refrigerant Gas.
- the present invention is not limited to this, and compresses the compression mechanism together with the electric motor that drives it for general gas built in the closed container, and the compressor mechanism partitions the inside of the closed container up and down, and Any hermetic compressor accommodating an electric motor is effective when applied to the whole, and belongs to the category of the present invention.
- FIG. 2 is an example of an enlarged longitudinal sectional view of a main part of a hermetic compressor for a refrigeration cycle incorporating a vertical scroll type compression mechanism according to Embodiment 2 of the present invention.
- the communication path 34 may be an open type as long as the flow path of the refrigerant gas 27 can be determined.
- the communication path 34 is formed by being surrounded by a path cover 51.
- the communication path 34 securely restrains the refrigerant gas 27 discharged to the lower part of the compression mechanism 2 and guides it to the rotor passage 36 and the stator communication path 72.
- the effect of gas-liquid separation is enhanced and the oil can be separated efficiently.
- the leakage of the refrigerant gas 27 from the gap between the windings 75 of the stator 3a can be prevented by the separating wall 73, but the leakage from the space between the separating wall 73 and the passage cover 51 can be prevented. Leaks are difficult to prevent.
- the separation wall 73 is almost in contact with or close to the passage cover 51 to form a seal portion, thereby preventing leakage from between the separation wall 73 and the passage cover 51.
- the seal between the partition wall 73 and the passage cover 51 can improve the sealing performance even more in shape than the seal between the winding wire 75 and the passage force par 51, and a higher sealing effect can be obtained. It can be realized.
- the partition wall is almost in contact with or close to the passage cover to form a seal portion, and the rotor upper chamber 33 is formed, whereby the refrigerant gas 27 is formed.
- the binding property can be further enhanced, and the effect of separating oil 6 can be enhanced.
- the refrigerant gas 27 can be reliably guided to the rotor passage 36 and the stator communication passage 72, and the cooling effect of the electric motor 3 can be enhanced.
- a resin film is often used as an insulator for the stator 3 a of the motor 3, but a resin material molded as an insulator may be used for the concentrated winding type motor 3. Not a few.
- a resin material molded as an insulator may be used for the concentrated winding type motor 3.
- it is relatively easy to integrally form it with the partition wall 73, and the cost advantage is high.
- the shape of the partition wall 73 may be complicated. I can do it.
- stator insulator of the motor and the isolation wall are integrally formed.
- the isolation wall 73 is provided as a separate part from the stator 3a of the motor 3. It is possible to reduce the number of parts, reduce the cost of parts, improve the reliability of parts, reduce the number of parts assembling processes, etc., and achieve gas-liquid separation of gas and oil, which is superior in manufacturing. An enhanced compressor can be provided.
- FIG. 3 is an example of an enlarged vertical cross-sectional view of a main part in the case of a hermetic compressor for a refrigerating cycle incorporating a vertical scroll type compression mechanism according to Embodiment 4 of the present invention.
- the refrigerant gas 27 passing through the rotor passage 36 strongly collides with the separation plate 61 to effectively separate the accompanying oil 6, but the refrigerant gas 2 passing through the stator communication passage 72 7 may reach the oil reservoir 20 at the bottom of the closed container 1 directly. Therefore, as shown in FIG. 3, a collision body 74 is configured to collide the refrigerant gas 27 ejected from the stator communication path 72 with the lower portion of the stator 3a.
- Embodiment 4 has a configuration in which a collision plate is provided below the stator for causing the gas discharged from the stator communication passage to collide.
- a collision plate is provided below the stator for causing the gas discharged from the stator communication passage to collide.
- the collision body 74 is also formed integrally with the insulator of the stator 3a of the electric motor 3, so that the number of parts increases, assemblability decreases, It is possible to solve problems such as cost increase.
- the required number of parts can be minimized, and the cost and the oil 6 can be reduced.
- a compressor having high liquid separation performance can be provided.
- a hermetic compressor in which it is difficult to restrict the flow of gas at the stator and rotor portions of the electric motor, it is possible to discharge gas that has been sufficiently gas-liquid separated by substantially restricting gas and oil.
- a hermetic compressor can be provided.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047016380A KR100572391B1 (ko) | 2003-03-12 | 2004-03-08 | 밀폐형 압축기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-066478 | 2003-03-12 | ||
JP2003066478A JP4175148B2 (ja) | 2003-03-12 | 2003-03-12 | 密閉型圧縮機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004081384A1 true WO2004081384A1 (ja) | 2004-09-23 |
Family
ID=32984535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/002950 WO2004081384A1 (ja) | 2003-03-12 | 2004-03-08 | 密閉型圧縮機 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4175148B2 (ja) |
KR (1) | KR100572391B1 (ja) |
CN (1) | CN100376792C (ja) |
WO (1) | WO2004081384A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006105123A (ja) * | 2004-10-07 | 2006-04-20 | Lg Electronics Inc | スクロール圧縮機のオイル吐出低減装置 |
EP1956244A3 (en) * | 2007-02-06 | 2008-10-01 | Sanden Corporation | Scroll fluid machine |
EP2347132A2 (en) * | 2008-10-14 | 2011-07-27 | Bitzer Kühlmaschinenbau GmbH | Inlet screen and scroll compressor incorporating same |
EP2927498B1 (en) * | 2012-11-30 | 2019-12-25 | Mitsubishi Electric Corporation | Scroll compressor |
US20220299024A1 (en) * | 2021-03-19 | 2022-09-22 | Lg Electronics Inc. | Hermetic compressor |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006214399A (ja) * | 2005-02-07 | 2006-08-17 | Matsushita Electric Ind Co Ltd | 密閉型圧縮機 |
FR2885966B1 (fr) * | 2005-05-23 | 2011-01-14 | Danfoss Commercial Compressors | Compresseur frigorifique a spirales |
CN100381705C (zh) * | 2005-08-15 | 2008-04-16 | 南京奥特佳冷机有限公司 | 大排量车用涡旋式压缩机 |
KR100686749B1 (ko) * | 2005-12-20 | 2007-02-26 | 엘지전자 주식회사 | 스크롤 압축기 |
KR100686748B1 (ko) | 2005-12-20 | 2007-02-26 | 엘지전자 주식회사 | 스크롤 압축기 |
JP5272600B2 (ja) * | 2008-09-16 | 2013-08-28 | パナソニック株式会社 | 密閉型圧縮機 |
JP5136498B2 (ja) * | 2009-03-30 | 2013-02-06 | パナソニック株式会社 | 密閉型圧縮機 |
JP2011074811A (ja) * | 2009-09-30 | 2011-04-14 | Sanyo Electric Co Ltd | 電動圧縮機 |
JP6120173B2 (ja) * | 2012-03-08 | 2017-04-26 | パナソニックIpマネジメント株式会社 | 圧縮機 |
FR2998340A1 (fr) * | 2012-11-19 | 2014-05-23 | Danfoss Commercial Compressors | Compresseur a spirale a vitesse variable. |
JP2015140660A (ja) * | 2014-01-27 | 2015-08-03 | 日立アプライアンス株式会社 | 電動圧縮機 |
JP6426020B2 (ja) * | 2015-02-09 | 2018-11-21 | 三菱重工サーマルシステムズ株式会社 | 密閉型電動圧縮機 |
JP6596222B2 (ja) * | 2015-04-14 | 2019-10-23 | 日立ジョンソンコントロールズ空調株式会社 | 密閉型電動圧縮機 |
JP6751597B2 (ja) * | 2016-06-06 | 2020-09-09 | 日立グローバルライフソリューションズ株式会社 | 容積型圧縮機、給湯器、及び空気調和機 |
CN112283103B (zh) * | 2020-10-23 | 2022-01-28 | 珠海格力电器股份有限公司 | 压缩机上盖及压缩机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1047268A (ja) * | 1996-07-31 | 1998-02-17 | Hitachi Ltd | 密閉形スクロール圧縮機 |
JP2001329978A (ja) * | 2000-05-22 | 2001-11-30 | Hitachi Ltd | スクロール圧縮機 |
JP2003042067A (ja) * | 2001-07-31 | 2003-02-13 | Matsushita Electric Ind Co Ltd | 密閉型圧縮機 |
-
2003
- 2003-03-12 JP JP2003066478A patent/JP4175148B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-08 WO PCT/JP2004/002950 patent/WO2004081384A1/ja active Application Filing
- 2004-03-08 CN CNB2004800001992A patent/CN100376792C/zh not_active Expired - Fee Related
- 2004-03-08 KR KR1020047016380A patent/KR100572391B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1047268A (ja) * | 1996-07-31 | 1998-02-17 | Hitachi Ltd | 密閉形スクロール圧縮機 |
JP2001329978A (ja) * | 2000-05-22 | 2001-11-30 | Hitachi Ltd | スクロール圧縮機 |
JP2003042067A (ja) * | 2001-07-31 | 2003-02-13 | Matsushita Electric Ind Co Ltd | 密閉型圧縮機 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006105123A (ja) * | 2004-10-07 | 2006-04-20 | Lg Electronics Inc | スクロール圧縮機のオイル吐出低減装置 |
JP4680614B2 (ja) * | 2004-10-07 | 2011-05-11 | エルジー エレクトロニクス インコーポレイティド | スクロール圧縮機のオイル吐出低減装置 |
EP1956244A3 (en) * | 2007-02-06 | 2008-10-01 | Sanden Corporation | Scroll fluid machine |
EP2347132A2 (en) * | 2008-10-14 | 2011-07-27 | Bitzer Kühlmaschinenbau GmbH | Inlet screen and scroll compressor incorporating same |
EP2347132A4 (en) * | 2008-10-14 | 2015-04-01 | Bitzer Kuehlmaschinenbau Gmbh | INTAKE SCREEN AND SPIRAL COMPRESSOR THEREWITH |
EP2927498B1 (en) * | 2012-11-30 | 2019-12-25 | Mitsubishi Electric Corporation | Scroll compressor |
US20220299024A1 (en) * | 2021-03-19 | 2022-09-22 | Lg Electronics Inc. | Hermetic compressor |
US11692547B2 (en) * | 2021-03-19 | 2023-07-04 | Lg Electronics Inc. | Hermetic compressor having oil guide that surrounds rotating shaft |
Also Published As
Publication number | Publication date |
---|---|
JP4175148B2 (ja) | 2008-11-05 |
KR100572391B1 (ko) | 2006-04-18 |
JP2004270668A (ja) | 2004-09-30 |
KR20050007457A (ko) | 2005-01-18 |
CN100376792C (zh) | 2008-03-26 |
CN1697928A (zh) | 2005-11-16 |
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