WO2004111457A1 - スクロール圧縮機 - Google Patents
スクロール圧縮機 Download PDFInfo
- Publication number
- WO2004111457A1 WO2004111457A1 PCT/JP2004/008382 JP2004008382W WO2004111457A1 WO 2004111457 A1 WO2004111457 A1 WO 2004111457A1 JP 2004008382 W JP2004008382 W JP 2004008382W WO 2004111457 A1 WO2004111457 A1 WO 2004111457A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scroll
- scroll compressor
- hard particles
- base material
- compressor according
- Prior art date
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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
- 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
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0269—Details concerning the involute wraps
-
- 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
-
- 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
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
-
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/18—Filler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/22—Reinforcements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Definitions
- the present invention relates to a scroll compressor used for frost-free air conditioning.
- FIGS. 6 and 7 The configuration of the orbiting scroll used in the conventional scroll compressor is shown in FIGS. 6 and 7 (for example, Japanese Patent Publication No. 11-29 1504 Ryo).
- FIG. 6 is a sectional view of a main part of the orbiting scroll
- FIG. 7 is a perspective view showing an appearance of the orbiting scroll.
- the orbiting scroll is composed of a disk-shaped end plate 1, a wrap portion 2 formed spirally upright from an upper surface portion 1 c, and a bearing portion 3.
- the height of the wrap portion 2 is about six times the thickness of the end plate 1.
- the end plate 1 and the wrap portion 2 are integrally formed, and the base material 1b of the end plate 1 and the base material 2b of the wrap portion 2 contain 3% of silicon and some nickel and magnesium. It is an aluminum die-cast product.
- the upper surface portion 1c and the side surface portion 1d of the end plate 1 and the wrap surface layer portion 2a of the wrap portion 2 are made of a powder sintered material of the same material as the base material portion.
- the orbiting scroll constructed in this way is lightweight, so that damage such as surface pressure on the bearing mechanism is small even at a high speed of about 10,000 revolutions per minute.
- the surface layer portions 13 and 2a are powder sintering materials such as silicon which are uniformly dispersed, so that the cutting finish surface is good and the surface is good.
- a highly reliable orbiting scroll member is formed in which no silicon falling-off portion, which is a starting point of fatigue failure, is generated.
- the scroll compressor can rotate at high speed, achieving small size, light weight, high efficiency and high reliability.
- Ritsuchi. -In large capacity and large capacity systems in transient operation where the liquid refrigerant returns sharply or during high loads where the differential pressure increases, the lubricating oil on the orbiting scroll bearing thrust surface may be lost. A rapid temperature rise occurs.
- aluminum on the outermost surface may be used as a starting point to cause seizure.
- the present invention is intended to solve such a conventional problem.
- the orbiting scroll is constituted by a material in which hard particles are dispersed in a soft base material, and the orbiting scroll (for example, a bearing ⁇ thruster) is formed by the bridging action of the hard particles. It is an object of the present invention to provide a highly reliable scroll compressor that prevents image sticking (on the surface). Disclosure of the invention
- the orbiting scroll is formed of a material in which hard particles are dispersed in a soft base material, and at least a wedge portion of a bearing or a shaft of the orbiting scroll is provided.
- Hard particles are distributed more than other parts. According to the present embodiment, by distributing the hard particles in the edge portion more than in other portions, high reliability on the sliding surface can be obtained by the bridging action of the hard particles.
- the orbiting scroll is made of a material in which hard particles are dispersed in a soft base material, and at least an edge portion of a bearing or a shaft of the orbiting scroll is ground,
- the hard particles at the edge part are distributed more than the other parts by mechanical polishing using a metal, a reed, a fluid, or the like, or chemical polishing by etching or the like.
- a third embodiment of the present invention is directed to a scroll compressor according to the first or second embodiment, wherein AI is used as a soft base material and Si is used as hard particles, and a bearing or a shaft of an orbiting scroll is used. Is an AI-Si alloy. According to the present embodiment, seizure resistance can be ensured.
- a fourth embodiment of the present invention is the scroll compressor according to the third embodiment, wherein Si is eutectic Si or micronized primary crystal Si.
- seizure resistance can be ensured.
- Si is exposed by an area ratio of 4.7% or more.
- seizure resistance can be ensured.
- the sixth embodiment of the present invention relates to a squealer compressor according to the third embodiment, which is provided with an accelerating voltage of 15 kV and a SC current of 1 k / 1 at 1 SC.
- the average 3i strength is over 17 counts.
- seizure resistance can be ensured.
- the twelfth embodiment of the present invention is the scroll compressor according to the first or second embodiment, wherein an Fe-based material is used as a soft base material.
- seizure resistance can be ensured, and the mechanical strength of the bearing or shaft of the orbiting scroll becomes higher.
- An eighth embodiment of the present invention is the scroll compressor according to the first or second embodiment, wherein an Mg alloy is used as a soft base material.
- the seizure resistance can be ensured, and at the same time, the weight can be reduced.
- the speed control can be greatly improved by further increasing the speed.
- a ninth embodiment of the present invention is the scroll compressor according to the first or second embodiment, wherein a resin is used as a soft base material.
- the seizure resistance can be ensured, the size can be further reduced, and a low-pressure fluid machine such as an air compressor, a vacuum pump, or a fan can be realized.
- ⁇ -modified particles are exposed in an area ratio of 4.7% or more.
- the orbiting scroll is made of a material in which hard particles are dispersed in a soft base material, and at least a sliding portion of the end plate of the orbiting scroll that receives a thrust load is provided. It tends to distribute hard particles more than in other parts.
- the hard particles in the sliding part receiving the thrust load are separated more than the other parts, so that the bridging of the hard particles ffl increases the reliability on the sliding surface. can get.
- the scroll compressor according to the first and second embodiments of the present invention is characterized in that the orbiting scroll is made of a 7 ⁇ material in which hard particles are dispersed in a soft base material, and at least a sliding portion of the end plate of the orbiting scroll that receives a thrust load.
- the orbiting scroll is made of a 7 ⁇ material in which hard particles are dispersed in a soft base material, and at least a sliding portion of the end plate of the orbiting scroll that receives a thrust load.
- the thirteenth embodiment of the present invention is directed to the scroll compressor according to the eleventh or the eleventh embodiment, wherein a sliding portion for distributing more hard particles than other portions is provided, and the orbiting scroll is a fixed scroll. It is the part where the back pressure is applied to it.
- the operation range can be expanded particularly in a high-pressure scroll compressor.
- a sliding portion for distributing more hard particles than other portions slides with a thrust bearing. Part to do.
- the orbiting scroll is formed by using AI as the soft base material, Si as the hard particles, and the orbiting scroll.
- AI is an Si-based alloy. According to the present embodiment, seizure resistance can be ensured.
- Si is replaced by eutectic Si or miniaturized primary crystal Si. According to the present embodiment, seizure resistance can be ensured.
- Si is exposed at an area ratio of 4.7% or more.
- seizure resistance can be ensured.
- the eighteenth embodiment of the present invention is directed to a scroll compressor according to the first or the first embodiment, wherein the average S i by EPMA at an acceleration voltage of 15 kV and an SC current of 1 OnA is used.
- the strength is one or more counts.
- seizure resistance can be ensured.
- the nineteenth embodiment of the present invention is the scroll compressor according to the eleventh or the eleventh embodiment, wherein an Fe-based material is used as a soft base material. According to the present embodiment, seizure resistance can be ensured, the mechanical strength of the orbiting scroll increases, and the size of the orbiting scroll can be increased simply by increasing the height of the spring.
- the twentieth embodiment of the present invention is the scroll compressor according to the eleventh or 12th embodiment, wherein an Mg alloy is used as a soft base material.
- an Mg alloy is used as a soft base material.
- the seizure resistance can be ensured, and at the same time, the weight can be reduced.
- the speed control can be greatly improved by further increasing the speed.
- a resin is used as a soft base material.
- seizure resistance can be ensured, and further downsizing can be achieved, and a low-pressure fluid machine such as an air compressor, a vacuum pump, or a fan can be realized.
- FIG. 1 is a cross-sectional view showing a scroll compressor according to first and second embodiments of the present invention.
- FIG. 2 is a cross-sectional view of an orbiting scroll used in the scroll compressor of the present embodiment. Table showing the seizure test and test results for the area ratio of
- Fig. 4 is a table showing the seizure test results for the average Si strength.
- FIG. 5 is a cross-sectional view showing a scroll compressor according to a third embodiment of the present invention.
- FIG. 6 is a cross-sectional view of a main part showing a conventional orbiting scroll.
- FIG. 7 is a perspective view showing the appearance of a conventional orbiting scroll.
- FIG. 1 is a sectional view of a scroll compressor according to a first embodiment of the present invention
- FIG. 2 is a sectional view of an orbiting scroll used in the scroll compressor of the present embodiment.
- the closed container 4 has a suction pipe 5 for sucking the refrigerant and a discharge pipe 6 for compressing and discharging the refrigerant.
- a compression mechanism section and a motor section are built in the closed vessel 4.
- the compression mechanism includes a fixed scroll 9 fixed to the frame 8, a orbiting scroll 10 arranged opposite to the fixed scroll 9, and an Oldham ring 1 provided between the orbiting scroll 1 ⁇ ⁇ ⁇ ⁇ ⁇ and the frame 8. 1 and a crankshaft 12 connected to the motor.
- the fixed scroll 9 includes a head plate 9a, a spring 9b, a suction port 9c, and a discharge port 9d, and the suction port 5 is connected to the suction pipe 5.
- the orbiting scroll 10 is composed of a head plate 1 Oa, 1 ⁇ b, a spring 1 Oc, and a bearing 1 Od.
- the height of the spring 10 c is It is set lower than the height.
- An annular groove 13 is formed on the sliding surface of the frame 8 with the orbiting scroll 10, and a ring-shaped seal member 14 is provided in the annular groove 13.
- the inside of the seal member 14 is set to a high pressure.
- the orbiting scroll 1 ⁇ is made of an AI-Si alloy in which fine eutectic Si as hard particles are dispersed in AI as a soft base material.
- the edge of the bearing 1 ⁇ b opposite to the end plate 1 ⁇ b is mechanically polished by polishing [], barrel, buff, fluid, etc.
- chemical polishing such as etching is performed to remove the AI that covers the eutectic Si in the surface layer, exposing more eutectic Si in that part than in other parts, and exposing more than 4.% in area ratio.
- FIG. 3 is a table showing the results of a seizure test with respect to the area ratio of eutectic Si.
- the rotation of the motor is transmitted to the orbiting scroll 10 via the crankshaft 12 and cooperates with the alternator ring 11 to orbit the orbiting scroll 1.
- the spring 1 O c of the orbiting scroll 10 and the spring 9 b of the fixed scroll 9 suck and compress the refrigerant from the suction pipe 5 through the suction port 9 c.
- the gas is discharged from the port 9d into the closed container 4, and is led out of the closed tube 4 through the discharge pipe 6.
- the inside of the closed container 4 is at a high pressure.
- the same effect can be obtained by distributing the eutectic Si ⁇ on the surface layer to an average Si intensity of 1 count or more by EPMA (vapor phase vapor deposition film forming method).
- FIG. 4 shows the result of an examination of the relationship between the amount of eutectic Si from the surface to a depth of 2 m and the seizure by seizure tests.
- FIG. 4 is a table showing the results of the seizure test with respect to the average Si strength.
- the amount of eutectic Si from the surface to a depth of 2 m was grasped as a relative amount by EPMA.
- the average Si strength affects seizure, and the average Si strength must be at least 1 count to secure seizure resistance.
- the Fe-based material is used as the soft base material and the hard particles are exposed at an area ratio of 4.7% or more, the same operation and effect as described above can be obtained, but the mechanical strength of the orbiting scroll 10 is further increased.
- the size of the scroll compressor can be increased by simply increasing the height of the splash 1 ⁇ c. The same as above when the Mg alloy is used as the soft base material and the hard particles are exposed at an area ratio of 4% or more. Although the function and effect can be obtained, the weight can be further reduced, and as a result, the speed control can be greatly improved by further speeding up.
- the scroll compressor can be further downsized. Also, low-pressure fluid machines such as air compressors and vacuum pumps can be realized.
- the above-mentioned effects can be obtained at least on the edge of the orbiting scroll.
- Si is distributed by a process such as heat treatment. — By compounding Si-based alloys The same is obtained.
- the scroll compressor according to the second embodiment of the present invention has substantially the same configuration as that of the first embodiment, and will be described with reference to FIGS. 1 and 2.
- the orbiting scroll 10 of this embodiment is made of an AI-Si alloy in which fine eutectic Si as hard particles are dispersed in AI as a soft base material.
- the end plate 9 a of the fixed scroll 9, particularly the end plate 1 of the orbiting scroll 10, which slides by being pressed against the tip of the splash 9 b, at least the portion of the end plate 1 ⁇ a which is high pressure inside the sealing member 14 is ground, Mechanical polishing with a barrel, buff, fluid, etc., or chemical polishing by etching, etc. is performed to remove the AI covering the eutectic Si on the surface layer, and replace the eutectic Si in that part with other parts. More than 4.7% of the area is exposed.
- the relationship between the area ratio of the eutectic Si exposed on the surface and the seizure is the same as the test result shown in FIG. From this test result, it can be seen that the area ratio of eutectic Si affects seizure, and the area ratio of eutectic Si is required to be 4.7% or more to secure seizure resistance. .
- the temperature of the fixed scroll 9 is increased due to the temperature rise due to the compression action, and the splash 9 b of the fixed scroll 9 is extended, so that the lubrication state becomes more severe, but fine eutectic Si particles which are appropriately exposed form the fixed scroll 9. Since the tip of the spring 9b is supported, seizure is prevented by its ridge action, and a highly reliable scroll compressor can be obtained. As a result, the operable load range of the high-pressure scroll compressor can be expanded.
- the relationship between the eutectic S content from the surface to a depth of 2 m and the seizure in the scroll compressor of the present embodiment is the same as the test result shown in FIG. From the results of this test, the average Si strength has an effect on seizure, and the average S i strength is important for securing the seizure resistance. It turns out that the degree needs to be 1 count or more.
- the size of the scroll compressor can be increased simply by increasing the height of 1 ⁇ c.
- the soft base material is made of (VI g alloy and the hard particles are exposed at an area ratio of 4.7% or more, the same operation and effect as above can be obtained, but the weight can be further reduced, and as a result, the speed can be further increased. Capability control width can be greatly improved.
- the scroll compressor can be further downsized. Also, low-pressure fluid machines such as air compressors, vacuum pumps and fans can be realized.
- FIG. 5 is a sectional view of a scroll compressor according to a third embodiment of the present invention.
- the scroll compressor according to the third embodiment of the present invention has substantially the same configuration as that of the first embodiment. Therefore, the same reference numerals are given to the same configurations as those of the first embodiment, and the description thereof will be omitted. I do.
- the suction pipe 5a is not directly connected to the suction port of the fixed scroll 9.
- a thrust bearing 15 is provided between the frame 8 and the orbiting scroll 1 ⁇ ⁇ ⁇ ⁇ ⁇ .
- the refrigerant flows into the lower space of the closed casing 4 from the suction pipe 5a. Accordingly, the pressure in the lower space of the sealed container 4 is low.
- the compressed refrigerant is discharged from the discharge port 9 d into the upper space, and is guided to the outside of the closed container 4. Therefore, the upper space of the sealed container 4 has a high pressure.
- the thrust load in the direction of the crankshaft 12 generated by the compression of the refrigerant is supported by the thrust bearing 15.
- the orbiting scroll 1 of the present embodiment is made of a ⁇ I-Si based alloy in which fine eutectic Si as hard particles are dispersed in AI as a soft base material. Then, at least a portion of the end plate 1 Ob of the orbiting scroll 10 pressed against the thrust bearing 15, which slides with the thrust bearing 15, is mechanically polished by grinding, barrel, puff, fluid, or the like. Alternatively, chemical polishing such as etching is performed to remove A1 covering the eutectic S I 'in the surface layer, and to increase the eutectic S i in that part more than in the other parts. It's exposed.
- the present invention provides a orbiting scroll composed of a material in which hard particles are dispersed in a soft base material, hard particles at least at an edge portion in a bearing or a shaft of the orbiting scroll, and an orbiting scroll.
- the present invention also provides a orbiting scroll composed of a material in which hard particles are dispersed in a soft base material, and at least an edge portion of a bearing or a shaft of the orbiting scroll, and a sliding plate which receives at least a thrust load of the end plate of the orbiting scroll.
- a part is mechanically polished by grinding, knurling, fluid, etc., or chemically polished by etching, etc., to distribute hard particles at the edge more than other parts. High reliability on the sliding surface can be obtained at a low price by the action of the bridge.
- the present invention also secures seizure resistance by using A ⁇ as a soft base material and Si as hard particles, and using a turning scroll and its bearing or shaft as an A) -Si alloy. can do.
- seizure resistance can be ensured by using S ⁇ ⁇ ⁇ as eutectic Si or micronized primary crystal Si.
- seizure resistance can be ensured by exposing S S in an area ratio of 4.% or more.
- seizure resistance can be ensured by setting the average Si intensity according to the EPMA at an acceleration voltage of 15 kV and an SC current of 1 OnA to be 17 counts or more.
- the present invention by using an Fe-based material as the soft base material, seizure resistance can be ensured, and the mechanical strength of the orbiting scroll and its bearing or shaft can be increased. Also, it is possible to increase the size of the orbiting scroll simply by increasing the height of the splash.
- the present invention uses an Mg alloy as the soft base material, thereby ensuring seizure resistance and reducing the weight.As a result, the speed control capability can be greatly improved by further increasing the speed. But it's monkey.
- the present invention uses a resin as the soft base material, thereby ensuring seizure resistance and further reducing the size, and realizing a low-pressure fluid machine such as an air compressor, a vacuum pump, or a fan. It becomes possible.
- seizure resistance can be ensured by exposing the hard particles at an area ratio of 4.7% or more.
- the present invention expands the operating range, particularly in a high-pressure scroll compressor, by making the sliding part that distributes more hard particles than other parts a part that applies back pressure that presses the orbiting scroll against the fixed scroll. can do.
- the present invention provides a sliding portion in which hard particles are distributed more than other portions as a portion that slides with a thrust bearing, thereby enabling a high-speed operation, particularly in a low-pressure scroll compressor, and a start-up operation. Time and defrosting time can be reduced.
- the seizure on the bearing thrust surface of an orbiting scroll can be prevented, and a highly reliable scroll compressor can be provided.
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003168217A JP2005002924A (ja) | 2003-06-12 | 2003-06-12 | スクロール圧縮機 |
JP2003-168217 | 2003-06-12 | ||
JP2003168216A JP2005002923A (ja) | 2003-06-12 | 2003-06-12 | スクロール圧縮機 |
JP2003-168216 | 2003-06-12 |
Publications (1)
Publication Number | Publication Date |
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WO2004111457A1 true WO2004111457A1 (ja) | 2004-12-23 |
Family
ID=33554399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/008382 WO2004111457A1 (ja) | 2003-06-12 | 2004-06-09 | スクロール圧縮機 |
Country Status (2)
Country | Link |
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KR (1) | KR20060008337A (ja) |
WO (1) | WO2004111457A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200140068A (ko) | 2019-06-05 | 2020-12-15 | 엘지전자 주식회사 | 스크롤 압축기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5888473A (ja) * | 1981-11-18 | 1983-05-26 | Toyoda Autom Loom Works Ltd | 圧縮機等における2種類以上の部材と摺動する摺動部材 |
JPS6013991A (ja) * | 1983-07-06 | 1985-01-24 | Taiho Kogyo Co Ltd | 斜板式コンプレツサ |
JPS6158992A (ja) * | 1984-08-29 | 1986-03-26 | Toshiba Corp | スクロ−ル流体機械の製造方法 |
JPH0641606A (ja) * | 1991-08-22 | 1994-02-15 | Mitsubishi Materials Corp | コンプレッサー用可動スクロールの製造法 |
JPH08232864A (ja) * | 1995-02-27 | 1996-09-10 | Toyota Autom Loom Works Ltd | スクロール型圧縮機及び可動スクロール部材並びに可動スクロール部材の製造方法 |
-
2004
- 2004-06-09 KR KR1020057023680A patent/KR20060008337A/ko not_active Application Discontinuation
- 2004-06-09 WO PCT/JP2004/008382 patent/WO2004111457A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5888473A (ja) * | 1981-11-18 | 1983-05-26 | Toyoda Autom Loom Works Ltd | 圧縮機等における2種類以上の部材と摺動する摺動部材 |
JPS6013991A (ja) * | 1983-07-06 | 1985-01-24 | Taiho Kogyo Co Ltd | 斜板式コンプレツサ |
JPS6158992A (ja) * | 1984-08-29 | 1986-03-26 | Toshiba Corp | スクロ−ル流体機械の製造方法 |
JPH0641606A (ja) * | 1991-08-22 | 1994-02-15 | Mitsubishi Materials Corp | コンプレッサー用可動スクロールの製造法 |
JPH08232864A (ja) * | 1995-02-27 | 1996-09-10 | Toyota Autom Loom Works Ltd | スクロール型圧縮機及び可動スクロール部材並びに可動スクロール部材の製造方法 |
Also Published As
Publication number | Publication date |
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KR20060008337A (ko) | 2006-01-26 |
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