WO2001042659A1 - Compresseur du type a volutes - Google Patents
Compresseur du type a volutes Download PDFInfo
- Publication number
- WO2001042659A1 WO2001042659A1 PCT/JP2000/006928 JP0006928W WO0142659A1 WO 2001042659 A1 WO2001042659 A1 WO 2001042659A1 JP 0006928 W JP0006928 W JP 0006928W WO 0142659 A1 WO0142659 A1 WO 0142659A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scroll
- pressure
- refrigerant gas
- port
- chamber
- Prior art date
Links
Classifications
-
- 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
- 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
- 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
- F04C18/023—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 both members are 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
- 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
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
- F04C18/0261—Details of the ports, e.g. location, number, geometry
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0035—Equalization of pressure pulses
Definitions
- the present invention relates to a scroll compressor, and more particularly to a scroll compressor in which pulsation generated when a compressed high-pressure fluid is discharged is reduced.
- an in-shaft discharge scroll compressor that discharges a compressed high-pressure refrigerant gas to a casing through a passage provided in a drive shaft that drives the compressor. explain.
- the inside of the closed casing 101 is divided into a suction chamber 123 and a discharge chamber 122 by a partition wall 125.
- a scroll compression mechanism for sucking and compressing the refrigerant gas in the suction chamber 1 2 3
- the scroll compression mechanism 103 is composed of a fixed scale 110 and a movable scale 111.
- the end plate 110a of the fixed scroll 110 has protruding spiral fixed scroll teeth 110b.
- a scroll-shaped movable scroll tooth 1 1 1 b is projected from the end plate 1 1 1 a of the movable scroll 1 1 1.
- the compression chamber 111 is formed by the movable scroll teeth 111b corresponding to the fixed scroll teeth 110b.
- a suction port 110c for sending the low-pressure refrigerant gas sent from the suction pipe 105 to the compression chamber 114 is provided.
- a discharge port 111c for discharging the compressed high-pressure coolant gas is formed.
- a motor 107 is housed in the discharge chamber 122.
- the scroll compression mechanism 103 is driven via a crank 130 provided on the upper end side of the drive shaft 108 of the motor 107.
- the drive shaft 108 has a discharge gas passage 108 e for guiding the refrigerant gas discharged from the discharge port 111 c to the discharge gas outlet 108 f at the lower end of the drive shaft 108. Is provided.
- a suction pipe 105 for sending refrigerant gas to the scroll compression mechanism 103 is connected to a portion of the casing 101 on the suction chamber 123 side.
- a discharge pipe 106 for sending high-pressure refrigerant gas out of the casing 101 is connected to a part of the casing 101 on the side of the discharge chamber 122.
- the rotation of the motor 107 is transmitted to the compression mechanism 103 via the drive shaft 108 and the crank section 130.
- the orbiting scroll 111 revolves with respect to the fixed scroll 110. Due to the orbital drive of the movable scroll 111, the compression chamber 111 formed by the movable scroll teeth 111b and the fixed scroll teeth 111b moves while contracting from the outer periphery toward the center. I do.
- the low-pressure refrigerant gas sent from the suction pipe 105 to the compression chamber 114 via the suction port 110c is compressed to a high pressure, and the discharge port 111 of the orbiting scroll 111 Discharged from c.
- the high-pressure refrigerant gas discharged from the discharge port 111c passes through a discharge gas passage 108e provided in the drive shaft 108, and from the discharge gas outlet 108f to the discharge chamber 122. It flows out.
- the high-pressure refrigerant gas that has flowed into the discharge chamber 122 is sent out of the casing from the discharge pipe 106 through a gap between the motor 107 and the casing 101.
- the above-described scroll compressor has the following problems.
- the compression chamber formed by the movable scroll teeth 1 1 1 b and the fixed scroll teeth 1 110 b moves in a spiral form from the outer peripheral portion toward the center along with the revolving drive of the movable scroll 111. .
- the refrigerant gas compressed in one compression chamber 114 is discharged from the discharge port 111c, the refrigerant gas compressed in the next compression chamber is discharged.
- the present invention has been made to solve the above problems, and an object of the present invention is to provide a scroll compressor in which the generation of vibration and noise is suppressed by suppressing the pulsation of the discharge gas.
- a scroll compressor includes a first scroll, a second scroll, a discharge port, a pressure chamber, and a port.
- a first spiral is protruded from the end plate.
- a second spiral that meshes with the first spiral to form a compression chamber protrudes from the end plate.
- the discharge port is provided on the end plate of one of the first and second scrolls.
- the pressure chamber is provided on the back of the other of the first and second scrolls.
- the port is provided on the end plate of the other scroll and communicates with the pressure chamber.
- the pressure chamber is formed by the other scroll and the lid.
- the pulsation of the fluid flowing into the pressure chamber can be prevented from directly affecting the casing of the scroll compressor.
- a relief port is provided on the end plate of the other scroll for guiding the fluid under compression to the pressure chamber, and a relief valve for opening and closing the relief port.
- the relief valve opens and the fluid in the compression chamber during compression flows into the pressure chamber.
- the pressure in the compression chamber during compression does not rise above the pressure in the pressure chamber.
- the pulsation of the discharge fluid when the compression chamber communicates with the discharge port can be further suppressed.
- the timing of flowing into the pressure chamber via the relief valve Even when the timing of discharge from the discharge port is shifted, the pressure of the fluid is leveled and the pulsation of the fluid is reduced.
- the discharge port communicates with a passage provided on a drive shaft for driving the first scroll or the second scroll.
- the first scroll is a fixed scroll
- the second scroll is a movable scroll
- the port is provided in the fixed scroll
- FIG. 1 is a partial vertical cross-sectional view of a scroll compressor according to Embodiment 1 of the present invention.
- FIG. 2 is a partial vertical cross-sectional view of a scroll compressor according to Embodiment 2 of the present invention.
- FIG. 3 is a partial vertical sectional view of a scroll compressor according to Embodiment 3 of the present invention.
- FIG. 4 is a longitudinal sectional view of a conventional scroll compressor. BEST MODE FOR CARRYING OUT THE INVENTION
- a scroll compression mechanism 1 for sucking and compressing a refrigerant gas is provided in a closed casing 20.
- the scroll compression mechanism 1 includes a fixed scroll 2 and a movable scroll 4.
- a spiral body (hereinafter referred to as “fixed scroll teeth 2 a”) protrudes from the end plate 2 b of the fixed scroll 2.
- a spiral body (hereinafter referred to as “movable scroll teeth 4 a”) protrudes from the end plate 4 b of the movable scroll 4.
- the compression chamber 29 is formed by the movable scroll teeth 4a matching the fixed scroll teeth 2a.
- the scroll compression mechanism 1 is arranged on a frame 6, and in particular, a fixed scroll 2 is fixed to the frame 6 by bolts 3 and the like.
- a suction pipe 18 for sending refrigerant gas to the scroll compression mechanism 1 is connected to an upper portion of the casing 20.
- a discharge pipe (not shown) for sending high-pressure refrigerant gas out of the casing 20 is connected to a side surface of the casing 20.
- a suction port 21 for sending the low-pressure refrigerant gas sent from the suction pipe 18 to the compression chamber is provided.
- a discharge port 8 for discharging the compressed, high-pressure refrigerant gas is formed.
- a motor (not shown) is housed below the casing 20.
- the scroll compression mechanism 1 is driven via a crank section 30 provided on the upper end side of the drive shaft 5 of the motor.
- the crank section 30 is housed in a crank chamber 7 provided in the frame 6.
- the drive shaft 5 is provided with a discharge gas passage 5 a for guiding the refrigerant gas discharged from the discharge port 8 to a discharge gas outlet (not shown) at the lower end of the drive shaft 5.
- a pressure chamber 16 is provided, in particular, on the side of the scroll on which the discharge port 8 is not provided, that is, on the back side of the fixed scroll 2.
- the end plate 2 b of the fixed scroll 2 facing the discharge port 8 is provided with a port 10 for guiding the discharged refrigerant gas to the pressure chamber 16.
- the pressure chamber 16 is formed by the fixed scroll 2 and the lid 17.
- a relief port 12 for preventing over-compression during compression, a relief valve 14 for opening and closing the relief port 12 and a lift of the relief port valve 14 are regulated.
- a valve retainer 14a is provided.
- the relief port 12 communicates the compression chamber 29 and the pressure chamber 16 during compression.
- the relief valve 14 and the valve retainer 14 a are arranged in the pressure chamber 16, and are fixed to the back of the fixed scroll 2 by bolts 15.
- the scroll compressor according to the present embodiment is configured as described above.
- the compression chamber 29 formed by 2a moves while contracting from the outer periphery toward the center.
- the low-pressure refrigerant gas sent from the suction pipe 18 to the compression chamber 29 via the suction port 21 is compressed.
- the compressed high-pressure refrigerant gas is discharged from the discharge port 8 of the orbiting scroll 4.
- the high-pressure refrigerant gas discharged from the discharge port 8 passes through a discharge gas passage 5 a provided in the drive shaft 5 and is cascaded from a discharge gas outlet (not shown) provided at the lower end of the drive shaft 5. It flows out into 2 ⁇ .
- the high-pressure refrigerant gas flowing into the casing 20 is sent out of the casing 20 from the discharge pipe.
- the pulsation of the refrigerant gas is suppressed by the refrigerant gas flowing into the pressure chamber 16, so that the drive shaft 5 Can be suppressed from vibrating.
- the pressure of the fluid in the compression chamber 29 during compression may be higher than the pressure of the discharge port 8 or the discharge pipe. That is, it may be over-compressed.
- the relief valve 14 opens and the refrigerant gas in the compression chamber 29 during the compression is compressed. Flows into the pressure chamber 16 through the relief port 12.
- the pressure in the compression chamber 29 during compression does not rise above the pressure in the pressure chamber 16, suppressing over-compression and reducing the pressure in the compression chamber immediately before communicating with the discharge port 8.
- the pressure difference between the pressure and the discharge pressure is reduced, the pulsation of the refrigerant gas discharged when the compression chamber communicates with the discharge port 8 can be further suppressed.
- the timing of the refrigerant gas flowing into the pressure chamber 16 via the relief valve 14 and the timing of discharging the refrigerant gas from the discharge port 8 are deviated, so that the pressure of the refrigerant gas is leveled and the pulsation of the refrigerant gas is caused. Can be reduced.
- the pressure chamber 16 and the port 10 on the fixed scroll 2 side, these can be formed more easily.
- the pressure chamber 16 is formed by the fixed scroll 2 and the lid 17, but the lid 17 prevents the pulsation of the refrigerant gas from being directly transmitted to the casing 20. In addition, it is possible to prevent the suction pipe 18 from overheating.
- a pressure chamber is formed on the back side of the movable scroll 4 with a force of 16. That is, the pressure chamber 16 is provided in the crank chamber 7 provided in the frame 6 for accommodating the crank portion 30 of the movable scroll 4.
- a port 10 is formed near the center of the orbiting scroll 4, and the drive shaft 5 and the boss 4c are provided with a concave portion 9a for guiding the high-pressure refrigerant gas to the pressure chamber 16 and a passage 9b. 9 c is formed.
- a seal mechanism 11 for sealing the pressure chamber 16 is provided between the frame 6 and the drive shaft 5.
- the end plate 4b of the orbiting scroll 4 has a relief port 12 for preventing over-compression during compression, and a relief valve 14 for opening and closing the relief port 12 and a relief port valve 1 for opening and closing the relief port.
- a valve presser 14a that regulates the lift of 4 is provided.
- the relief port 12 communicates the compression chamber 29 and the pressure chamber 16 during compression.
- the relief valve 14 and the valve retainer 14 a are arranged in the pressure chamber 16, and are fixed to the back of the orbiting scroll 4 by bolts 15.
- the fixed scroll 2 is provided with a discharge port 8 for discharging the compressed high-pressure refrigerant gas.
- the discharged refrigerant gas is A discharge pipe 19 is provided for feeding out of zero.
- the rotation of the drive shaft 5 causes the movable scale 4 to revolve around the fixed scale 2.
- the orbital drive of the orbiting scroll 4 causes the compression chamber 29 formed by the orbiting scroll teeth 4a and the fixed scroll teeth 2a to move while contracting from the outer periphery toward the center.
- the low-pressure refrigerant gas sent from the suction pipe 18 to the compression chamber 29 via the suction port 21 is compressed to a high pressure, and is discharged from the discharge port 8 of the fixed scroll 2.
- the high-pressure refrigerant gas discharged from the discharge port 8 is sent out of the casing 20 from a discharge pipe 19 attached to the dome 20a via the space of the dome 20a.
- the pressure in the compression chamber 29 during the compression does not rise above the pressure in the pressure chamber 16, suppressing over-compression and reducing the pressure in the compression chamber 29 immediately before communicating with the discharge port 8.
- pulsation of the refrigerant gas discharged when the compression chamber 29 communicates with the discharge port 8 can be further suppressed.
- the scroll compressor according to the present embodiment is a so-called co-rotating scroll compressor in which two scrolls 22 and 24 are driven together. That is, the rotation of the drive shaft 22 c causes the drive scroll 22 to rotate, and the driven joint 24 revolves with respect to the drive scroll 22 by the shaft coupling 26.
- Spiral drive scroll teeth 22 a protrude from the end plate 22 b of the drive scroll 22.
- Spiral driven scroll teeth 24 a protrude from the end plate 24 b of the driven scroll 24.
- the compression chamber 29 is formed by the driven scroll teeth 24 a matching the drive scroll teeth 22 a.
- the drive scroll 22 is provided with a discharge port 8 for discharging the compressed high-pressure refrigerant gas.
- the pressure chamber 16 is formed in the driven scroll 24 on the back side of the end plate 24b.
- a port 10 for guiding the discharged refrigerant gas to the pressure chamber 16 is formed in the end plate 24 b of the driven scroll 24 facing the discharge port 8.
- the end plate 24 b of the driven scroll 24 has a relief port 12 for preventing overcompression during compression, a relief valve 14 for opening and closing the relief port 12, and a lift for the relief port valve 14.
- a valve presser 14a is provided to regulate the pressure.
- the relief port 12 communicates the compression chamber 29 and the pressure chamber 16 during compression.
- the relief valve 14 and the valve retainer 14a are arranged in the pressure chamber 16 and are fixed to the end plate 24b by bolts 15.
- the drive shaft 22c is provided with a discharge gas passage 22d for guiding the refrigerant gas discharged from the discharge port 8 to a discharge gas outlet (not shown) on the lower end side of the drive shaft 22c.
- the casing 20 is provided with a discharge pipe 19 for sending the discharged refrigerant gas out of the casing 20.
- the low-pressure refrigerant gas sent into the compression chamber 29 via the suction pipe 18 through the suction port 21 is compressed to a high pressure, and is discharged from the discharge port 8 of the driving scroll 22.
- the high-pressure refrigerant gas discharged from the discharge port 8 passes through a discharge gas passage 22 d formed in the drive shaft 22 c, and a gas discharge port (not shown) provided at the lower end side of the drive shaft 22 c More, it flows inside the casing 20.
- the refrigerant gas flowing into the casing 20 is sent out of the casing 20 through a discharge pipe 19 attached to the casing 20.
- this scroll compressor a part of the refrigerant gas compressed in the compression chamber 29 flows into the pressure chamber 16 via the port 10 when being discharged.
- the refrigerant gas flows into the pressure chamber 16 to suppress the pulsation of the refrigerant gas, and the drive shaft 22 Vibration of c can be suppressed. Further, it is possible to prevent the natural frequency of the drive shaft 22c from resonating with the pulsation frequency, thereby preventing generation of noise.
- the pressure in the compression chamber 29 during compression does not rise above the pressure in the pressure chamber 16, suppressing over-compression, and at the same time the pressure and discharge pressure of the compression chamber just before communicating with the discharge port 8
- the pulsation of the refrigerant gas discharged when the compression chamber communicates with the discharge port 8 can be further suppressed.
- the timing of the refrigerant gas flowing into the pressure chamber 16 via the relief valve 14 and the timing of discharging the refrigerant gas from the discharge port 8 are shifted, so that the pressure of the refrigerant gas is leveled.
- the pulsation of the refrigerant gas can be reduced.
- the present invention is effectively applied to a structure for suppressing pulsation in a scroll compressor that discharges a compressed high-pressure fluid.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/890,883 US6514060B1 (en) | 1999-12-06 | 2000-10-04 | Scroll type compressor having a pressure chamber opposite a discharge port |
EP00964668A EP1156222B1 (en) | 1999-12-06 | 2000-10-04 | Scroll type compressor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34630799A JP3820824B2 (ja) | 1999-12-06 | 1999-12-06 | スクロール型圧縮機 |
JP11/346307 | 1999-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001042659A1 true WO2001042659A1 (fr) | 2001-06-14 |
Family
ID=18382526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/006928 WO2001042659A1 (fr) | 1999-12-06 | 2000-10-04 | Compresseur du type a volutes |
Country Status (6)
Country | Link |
---|---|
US (1) | US6514060B1 (ja) |
EP (1) | EP1156222B1 (ja) |
JP (1) | JP3820824B2 (ja) |
KR (1) | KR100489461B1 (ja) |
CN (1) | CN1119529C (ja) |
WO (1) | WO2001042659A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4729773B2 (ja) * | 1999-12-06 | 2011-07-20 | ダイキン工業株式会社 | スクロール型圧縮機 |
JP3966088B2 (ja) | 2002-06-11 | 2007-08-29 | 株式会社豊田自動織機 | スクロール型圧縮機 |
KR100679885B1 (ko) * | 2004-10-06 | 2007-02-08 | 엘지전자 주식회사 | 측방향 흡입구조를 갖는 선회베인 압축기의 압축장치 |
US7997883B2 (en) * | 2007-10-12 | 2011-08-16 | Emerson Climate Technologies, Inc. | Scroll compressor with scroll deflection compensation |
JP4471034B2 (ja) * | 2008-07-15 | 2010-06-02 | ダイキン工業株式会社 | スクロール圧縮機 |
US7988433B2 (en) | 2009-04-07 | 2011-08-02 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
CN103362802B (zh) * | 2012-03-29 | 2016-04-06 | 艾默生环境优化技术(苏州)有限公司 | 涡旋压缩机 |
JP6207828B2 (ja) * | 2012-10-31 | 2017-10-04 | 三菱重工業株式会社 | スクロール型圧縮機 |
US9249802B2 (en) | 2012-11-15 | 2016-02-02 | Emerson Climate Technologies, Inc. | Compressor |
US10036386B2 (en) | 2013-07-31 | 2018-07-31 | Trane International Inc. | Structure for stabilizing an orbiting scroll in a scroll compressor |
JP6222033B2 (ja) * | 2014-10-15 | 2017-11-01 | ダイキン工業株式会社 | スクロール圧縮機 |
US10801495B2 (en) * | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
US10890186B2 (en) | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
US11022119B2 (en) * | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
WO2021039062A1 (ja) * | 2019-08-30 | 2021-03-04 | ダイキン工業株式会社 | スクロール圧縮機 |
CN113236558B (zh) * | 2021-05-27 | 2022-07-22 | 珠海格力节能环保制冷技术研究中心有限公司 | 涡旋压缩机排气组件、涡旋压缩机和空调系统 |
US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
US11965507B1 (en) | 2022-12-15 | 2024-04-23 | Copeland Lp | Compressor and valve assembly |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58160583A (ja) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | スクロ−ル式流体機械 |
JPH0979153A (ja) * | 1995-09-08 | 1997-03-25 | Daikin Ind Ltd | 高圧ドーム形圧縮機 |
JPH0988862A (ja) * | 1995-09-20 | 1997-03-31 | Daikin Ind Ltd | スクロール形流体機械 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884599A (en) * | 1973-06-11 | 1975-05-20 | Little Inc A | Scroll-type positive fluid displacement apparatus |
JPS6073080A (ja) * | 1983-09-30 | 1985-04-25 | Toshiba Corp | スクロ−ル型圧縮装置 |
GB2162899B (en) * | 1984-06-27 | 1988-06-15 | Toshiba Kk | Scroll compressors |
JPS6198987A (ja) * | 1984-10-19 | 1986-05-17 | Hitachi Ltd | 密閉形スクロ−ル圧縮機 |
JPH02218880A (ja) * | 1989-02-20 | 1990-08-31 | Tokico Ltd | スクロール式圧縮機 |
US5090878A (en) * | 1991-01-14 | 1992-02-25 | Carrier Corporation | Non-circular orbiting scroll for optimizing axial compliancy |
US5129798A (en) * | 1991-02-12 | 1992-07-14 | American Standard Inc. | Co-rotational scroll apparatus with improved scroll member biasing |
JPH051677A (ja) * | 1991-06-27 | 1993-01-08 | Hitachi Ltd | スクロール圧縮機 |
JPH07259757A (ja) * | 1994-03-24 | 1995-10-09 | Sanyo Electric Co Ltd | 回転式スクロール圧縮機 |
US5613841A (en) * | 1995-06-07 | 1997-03-25 | Copeland Corporation | Capacity modulated scroll machine |
US5609478A (en) * | 1995-11-06 | 1997-03-11 | Alliance Compressors | Radial compliance mechanism for corotating scroll apparatus |
-
1999
- 1999-12-06 JP JP34630799A patent/JP3820824B2/ja not_active Expired - Fee Related
-
2000
- 2000-10-04 CN CN00803513A patent/CN1119529C/zh not_active Expired - Fee Related
- 2000-10-04 EP EP00964668A patent/EP1156222B1/en not_active Expired - Lifetime
- 2000-10-04 WO PCT/JP2000/006928 patent/WO2001042659A1/ja active IP Right Grant
- 2000-10-04 KR KR10-2001-7009737A patent/KR100489461B1/ko not_active IP Right Cessation
- 2000-10-04 US US09/890,883 patent/US6514060B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58160583A (ja) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | スクロ−ル式流体機械 |
JPH0979153A (ja) * | 1995-09-08 | 1997-03-25 | Daikin Ind Ltd | 高圧ドーム形圧縮機 |
JPH0988862A (ja) * | 1995-09-20 | 1997-03-31 | Daikin Ind Ltd | スクロール形流体機械 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1156222A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR20010093315A (ko) | 2001-10-27 |
KR100489461B1 (ko) | 2005-05-16 |
US6514060B1 (en) | 2003-02-04 |
CN1119529C (zh) | 2003-08-27 |
EP1156222A1 (en) | 2001-11-21 |
EP1156222B1 (en) | 2011-06-01 |
CN1339089A (zh) | 2002-03-06 |
EP1156222A4 (en) | 2004-05-19 |
JP3820824B2 (ja) | 2006-09-13 |
JP2001165068A (ja) | 2001-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001042659A1 (fr) | Compresseur du type a volutes | |
KR100194171B1 (ko) | 스크롤 압축기 | |
JPH03202690A (ja) | スクロール圧縮機 | |
US7094038B2 (en) | Vacuum preventing device for scroll compressor | |
JP4822943B2 (ja) | 流体機械 | |
US4886434A (en) | Scroll compressor having discharge part communicating with two compression spaces simultaneously | |
CN113631816B (zh) | 涡旋式压缩机 | |
JPH09303277A (ja) | スクロール圧縮機 | |
JP2708908B2 (ja) | 圧縮機の消音装置 | |
WO2004111461A1 (ja) | 密閉型圧縮機 | |
WO2020170886A1 (ja) | 密閉型圧縮機 | |
WO2020008793A1 (ja) | スクロール圧縮機 | |
KR900009225B1 (ko) | 스크로올 압축기 | |
JP2002364564A (ja) | スクロール流体機械 | |
JP3036927B2 (ja) | スクロール圧縮機 | |
JPH04325790A (ja) | 両回転型スクロール圧縮機 | |
WO2023203947A1 (ja) | 流体圧縮機 | |
JPH08319960A (ja) | スクロール圧縮機 | |
CN114729630B (zh) | 压缩机 | |
KR100286836B1 (ko) | 로터리 압축기의 공명기 | |
JP2000110744A (ja) | スクロール圧縮機 | |
JPH04234590A (ja) | スクロ−ル形圧縮機 | |
WO2022202092A1 (ja) | スクロール型圧縮機 | |
JP2001329975A (ja) | スクロール圧縮機 | |
JP2004353565A (ja) | スクロール型圧縮機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 00803513.X Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000964668 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020017009737 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09890883 Country of ref document: US |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWP | Wipo information: published in national office |
Ref document number: 1020017009737 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2000964668 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1020017009737 Country of ref document: KR |