WO2007123015A1 - スクロール型流体機械 - Google Patents
スクロール型流体機械 Download PDFInfo
- Publication number
- WO2007123015A1 WO2007123015A1 PCT/JP2007/057865 JP2007057865W WO2007123015A1 WO 2007123015 A1 WO2007123015 A1 WO 2007123015A1 JP 2007057865 W JP2007057865 W JP 2007057865W WO 2007123015 A1 WO2007123015 A1 WO 2007123015A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scroll
- movable scroll
- wear
- resistant plate
- outer peripheral
- 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
- 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
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- 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
- F04C2240/80—Other components
- F04C2240/801—Wear plates
-
- 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 scroll type fluid machine, and more particularly, to a background art related to a thrust receiving structure.
- a scroll type fluid machine applied to a compressor of a refrigeration circuit includes a fixed scroll and a movable scroll in a housing, and the fixed scroll and the movable scroll cooperate with each other to form a pressure chamber.
- the movable scroll is swung with respect to the fixed scroll, and the refrigerant (working fluid) of the refrigeration circuit is sucked into the pressure chamber and compressed in the pressure chamber. Thereafter, the compressed refrigerant is discharged from the pressure chamber to the condenser of the refrigeration circuit through the discharge port of the compressor.
- the refrigerant pressure in the pressure chamber becomes high, so that a large thrust load is applied to the movable scroll.
- This thrust load works to separate the movable scroll in the axial direction of the fixed scroll force.
- the compressor is provided with a thrust receiving device, ie, a thrust bearing, between the support surface of the housing and the movable scroll.
- a thrust receiving device ie, a thrust bearing
- the scroll type fluid machine disclosed in JP-A-2005-248925, JP-A-2005-291151, and JP-A-2005-307949 has a plurality of pressure receiving pieces arranged in the circumferential direction as thrust bearings.
- Each pressure receiving piece is made of, for example, PPS (polyphenylene sulfide) resin and is held in a holding hole or a holding groove formed on the support surface of the housing.
- the movable scroll and the pressure receiving piece slide.
- the sliding surface of the movable scroll that slides on the pressure receiving piece is generally made of an alumite film. It is known that an alumite film has not only a function as an acid-resistant film but also a porous film, so that it has excellent lubricating oil retention and also has a function as an abrasion-resistant film. [0004] However, an alumite wear powder is generated when the surface of the alumite film is rough and initial familiarity. The wear powder acts as an abrasive, and causes the roughness of the sliding surfaces of the pressure receiving piece and the movable scroll.
- the surface roughness of the sliding surface of the movable scroll may be reduced.
- the present invention has been made based on the above-described circumstances, and its object is to provide a thrust receiving device that has a simple configuration and ensures good sliding characteristics, and has high compression efficiency and volume efficiency. It is an object of the present invention to provide a scroll type fluid machine in which a drop is prevented.
- a scroll type fluid machine forms a pressure chamber between a fixed scroll fixed in a housing and the fixed scroll, and swivels with respect to the fixed scroll.
- a movable scroll a support wall provided on the housing for supporting a thrust load from the movable scroll, and a thrust receiving device disposed between the movable scroll and the support wall.
- the thrust receiving device is disposed between the recess formed in the support wall, the pressure receiving piece held in the recess, the movable scroll and the pressure receiving piece, and slides sliding on the pressure receiving piece.
- a wear-resistant plate having a surface.
- the wear resistant plate is disposed between the pressure receiving piece and the movable scroll, and the pressure receiving piece and the movable scroll do not slide directly. Since the wear-resistant plate is separate from the movable scroll, it is easy to prepare the surface roughness of the sliding surface of the wear-resistant plate that slides on the pressure receiving piece by polishing or the like. For this reason, according to the thrust receiving device of the fluid machine, wear of the pressure receiving piece is suppressed with a simple configuration, and good sliding characteristics are ensured over a long period of time. As a result, this fluid machine has a fixed scroll. The gap between the scroll and the movable scroll is prevented from widening, the pressure chamber is hermetically sealed, and the compression efficiency and volumetric efficiency are prevented from decreasing.
- the scroll type fluid machine further includes positioning means for the wear-resistant plate with respect to the movable scroll, and the positioning means is formed on an outer peripheral surface of a boss portion provided on the movable scroll and the wear-resistant plate.
- a fitting hole fitted to the outer peripheral surface of the boss portion, a positioning pin provided on one of the wear-resistant plate and the movable scroll, and a positioning pin provided on the other of the wear-resistant plate and the movable scroll, And an engaging positioning hole.
- the relative rotation of the wear-resistant plate with respect to the movable scroll is prevented by the positioning means, so that sliding between the movable scroll and the wear-resistant plate is suppressed. For this reason, the wear-resistant plate is not worn by sliding with the movable scroll, and the enlargement of the gap between the fixed scroll and the movable scroll is surely prevented.
- the positioning means includes an outer peripheral surface of the boss portion, a fitting hole of the wear resistant plate, a positioning pin and a positioning hole provided in the movable scroll or the wear resistant plate, and the fluid machine. Then, with a simple configuration, the enlargement of the gap between the fixed scroll and the movable scroll is surely prevented.
- the outer diameter of the wear-resistant plate is larger than the outer diameter of the movable scroll, and the outer peripheral edge of the movable scroll is chamfered.
- the outer peripheral edge of the movable scroll is chamfered, so that it contacts the outer peripheral edge of the movable scroll. Breakage and cracking at the wear-resistant plate are prevented.
- the outer diameter of the wear-resistant plate is larger than the outer diameter of the movable scroll, and an outer peripheral portion of the wear-resistant plate that radially exceeds the outer peripheral edge of the movable scroll is on the side opposite to the support wall. Warped.
- the sliding surface of the wear-resistant plate has an average roughness Ra of 1.6 m or less.
- the sliding surface of the wear-resistant plate has an average roughness Ra of 1.6 m or less, so that the wear powder from the surface of the wear-resistant plate can be prevented during initial familiarization between the pressure-receiving piece and the wear-resistant plate. Occurrence is surely prevented, and roughening and wear of the pressure receiving piece are reliably prevented.
- FIG. 1 is a longitudinal sectional view showing a compressor as a scroll type fluid machine
- FIG. 3 Rear view showing the movable scroll applied to the compressor of Fig. 1 with the second link pin attached
- FIG. 4 Enlarged view of the area near the thrust bearing in Fig. 1,
- FIG. 5 is a plan view showing a wear-resistant plate used in the thrust bearing of FIG.
- FIG. 6 An enlarged view of the vicinity of a thrust bearing to which a wear plate of a modified example is applied
- FIG. 7 is an enlarged view of a portion in the vicinity of a thrust bearing to which a wear-resistant plate of another modification is applied.
- FIG. 1 shows a compressor as a scroll type fluid machine according to an embodiment.
- This compressor is used, for example, in a refrigeration circuit of a vehicle air conditioner and compresses refrigerant (working fluid) in the refrigeration circuit.
- the refrigerant contains refrigerating machine oil as lubricating oil, and this refrigerating machine oil is supplied to the various sliding surfaces of the bearings in the compressor together with the refrigerant to lubricate them.
- the compressor includes a substantially cylindrical housing 10, which has a drive casing (motor casing) 12, a support wall 14, and a scroll casing 16 in order from the left side to the right side as viewed in FIG. .
- the drive casing 12 and the scroll casing 16 are coupled to each other with the support wall 14 interposed therebetween, and O-rings 17a and 17b are inserted between the outer peripheral walls 12a and 16a of the casings 12 and 16 and the support wall 14, respectively.
- a suction port 18 is formed on the outer peripheral wall 12a of the drive casing 12 on the end wall 12b side of the drive casing 12, and the suction port 18 is connected to the low pressure side of the refrigeration circuit.
- outer wall 12a A feed port 20 is formed on the support wall 14 side, and the feed port 20 is closed by a feed plug (not shown).
- a cylindrical stator 22 is fixed to the inner peripheral surface of the outer peripheral wall 12a, and the stator 22 is located between the suction port 18 and the power supply port 20.
- a coil 24 is wound around the stator 22, and a lead wire (not shown) is drawn from the coil 24, and the lead wire penetrates the power supply plug in an airtight manner. Therefore, the coil 24 can be supplied with electric power from the outside through the lead wire.
- An armature 26 is disposed on the radially inner side of the stator 22, and the armature 26 has a cylindrical magnetic core 28 that is a laminated electromagnetic steel plate force, and a rotating shaft 30 that passes through the center of the magnetic core 28.
- the rotating shaft 30 can rotate integrally with the magnetic core 28 when electric power is supplied to the coil 24.
- the rotating shaft 30 extends from the end wall 12b of the drive casing 12 to the support wall.
- the end of the rotary shaft 30 on the end wall 12b side is rotatably supported by a radial bearing 32 disposed in the bearing hole of the end wall 12b.
- the support wall 14 is formed with a shaft hole 14a penetrating the center thereof, and the rotary shaft 30 has a large-diameter end portion 30a disposed in the shaft hole 14a.
- a radial bearing 34 is disposed on the side of the drive casing 12 of the shaft hole 14a, and is rotatably supported by the partial force radial bearing 34 of the rotary shaft 30 in the vicinity of the large-diameter end 30a.
- the support wall 14 is formed with a lubricating oil supply hole 14b penetrating the inner peripheral portion in the vicinity of the radial bearing 34, and the lubricating oil supply hole 14b opens at a stepped surface in the shaft hole 14a.
- the support wall 14 is formed with a plurality of communication holes 14c penetrating the outer periphery thereof.
- the outer peripheral wall 16a of the scroll casing 16 is formed with a discharge port 36 on the end wall 16b side of the scroll casing 16, and the discharge port 36 is connected to the high-pressure side of the refrigeration circuit.
- a fixed scroll 40 is fixed in the scroll casing 16 by a fixing bolt 38, and a discharge chamber 42 is defined between the substrate 40a of the fixed scroll 40 and the end wall 16b.
- the discharge port 36 is open to the discharge chamber 42.
- An O-ring is inserted between the outer peripheral portion of the substrate 40a of the fixed scroll 40 and the outer peripheral wall 16a of the scroll casing 16, while a discharge hole 44 is formed in the central portion of the substrate 40a.
- the discharge hole 44 is opened and closed by a reed valve 46, and the opening degree of the reed valve 46 is regulated by a valve retainer 48.
- the reed valve 46 and the valve retainer 48 are connected to the back of the substrate 40a that defines the discharge chamber 42. It is fixed to the surface.
- the fixed scroll 40 has a spiral wall 40b integrally formed on the support wall 14 side of the substrate 40a, and is combined with the movable scroll 50 having the substrate 50a and the spiral wall 50b. .
- the shapes of the spiral walls 40b and 50b are respectively defined by involute curves.
- a plurality of pressure chambers 52 are formed between the fixed scroll 40 and the movable scroll 50, and the movable scroll 50 is capable of turning motion with respect to the fixed scroll 40.
- the generated force is also generated on the radially outer side of the fixed and movable scrolls 40, 50, and the volume is reduced while the volume is reduced. Disappears at the center in the radial direction.
- the working fluid is sucked into the pressure chamber 52 radially outside, and when the pressure chamber 52 reaches the central portion in the radial direction, the pressure of the working fluid in the pressure chamber 52 exceeds the cutoff pressure of the reed valve 46, The working fluid in the pressure chamber 52 is discharged into the discharge chamber 42.
- the fixed scroll 40 and the movable scroll 50 are made of, for example, an aluminum alloy, and an anodized coating is formed on the surfaces of the scrolls 40, 50 by anodizing. Further, a tip seal is disposed at the tip of each of the spiral walls 40b, 50b, and the tip seal is in sliding contact with the substrates 50a, 40a of the opposing scrolls 50, 40 that rotate relatively.
- the movable scroll 50 and the rotary shaft 30 are connected by a mechanism for converting the rotary motion of the rotary shaft 30 into the turning motion of the movable scroll 50.
- a crankpin 54 protrudes toward the movable scroll 50 from the large-diameter end 30a of the rotary shaft 30, and an eccentric bush 56 is attached to the crankpin 54.
- the substrate 50a of the movable scroll 50 is located in the vicinity of the support wall 14, and a box part 50c is formed in a body and concentrically on the back surface of the substrate 50a on the support wall 14 side.
- the boss portion 50c protrudes from the back surface of the substrate 50a into the shaft hole 14a of the support wall 14, and receives the eccentric bush 56 inside.
- A-dollar bearing 58 is arranged between the inner peripheral surface of the boss part 50c and the outer peripheral surface of the eccentric bush 56, and the eccentric bush 56 and the movable scroll 50 are connected to each other so as to be relatively rotatable by the needle bearing 58. .
- a counterweight 60 is attached to the eccentric bush 56, and the turning motion of the movable scroll 50 is stabilized by the counterweight 60.
- a plurality of rotation stoppers 62 are formed between the movable scroll 50 and the support wall 14, and the rotation stoppers 62 prevent the rotation of the movable scroll 50 when the movable scroll 50 performs a turning motion. To do.
- the support wall 14 has an annular support surface 64, and the support surface 64 faces the outer peripheral portion of the substrate 50 a of the movable scroll 50.
- the support surface 64 has substantially circular recesses 66 formed at equal intervals of 90 degrees in the circumferential direction.
- Each rotating stagger 62 has a link member 68 disposed in the recess 66, and the link member 68 is connected to the support wall 14 so as to be relatively rotatable by a first link pin 70 protruding from the bottom center force of the recess 66.
- the link member 68 is connected to the movable scroll 50 so as to be relatively rotatable by a second link pin 72 protruding from the substrate 50a of the movable scroll 50.
- FIG. 2 illustrates the support wall 14 as a plan view, not a cross-sectional view, in order to explain the force support surface 64 which is a cross-sectional view taken along the line ⁇ - ⁇ in FIG.
- the second link pin 72 is arranged concentrically on the outer side in the radial direction than the boss portion 50c.
- the first link pin 70 and the second link pin 72 are parallel to the axis of the rotary shaft 30 and are spaced apart in the radial direction of the recess 66.
- a thrust bearing 74 for supporting the thrust load from the movable scroll 50 is provided between the movable scroll 50 and the support wall 14.
- the thrust bearing 74 has twelve holding holes 76 formed in the support surface 64 of the support wall 14. Each of these holding holes 76 has a circular shape, and three are arranged at equal intervals in each region between the recesses 66.
- a flat cylindrical pressure receiving piece 78 is rotatably fitted in each holding hole 76.
- the pressure receiving piece 78 can be formed of a material such as metal, ceramic, synthetic resin, or synthetic rubber. From the viewpoint of reducing the sliding resistance of the movable scroll 50, the pressure receiving piece 78 is preferably formed of a synthetic resin.
- the thickness of the pressure receiving piece 78 is larger than the depth of the holding hole 76.
- the other end of the pressure receiving piece 78 protrudes from the support surface 64 in a state where one end face of the piece 78 is in surface contact with the bottom surface of the holding hole 76.
- An annular flat wear resistant plate 80 is disposed between the other end of the pressure receiving piece 78 and the substrate 50a of the movable scroll 50, and the other end face of the pressure receiving piece 78 is in surface contact with the wear resistant plate 80.
- FIG. 5 shows a plan view of the wear-resistant plate 80, and the wear-resistant plate 80 has a central hole 82 in the center.
- the outer diameter of the wear-resistant plate 80 is approximately equal to the outer diameter of the boss 50c of the movable scroll 50, and the diameter of the central hole 82 is substantially equal to the outer diameter of the substrate 50a of the movable scroll 50! /.
- the wear-resistant plate 80 has positioning holes 84 at four positions corresponding to the second link pins 72, and the hole diameter of the positioning holes 84 is substantially equal to the outer diameter of the second link pins 72.
- the boss portion 50c of the movable scroll 50 is fitted into the center hole 82 of the wear resistant plate 80, and the root of the second link pin 72 is fitted into the positioning hole 84 of the wear resistant plate 80.
- the wear-resistant plate 80 is positioned so as to be in surface contact with the substrate 50a of the movable scroll 50 and to be unrotatable relative to the substrate 50a.
- the thickness of the wear-resistant plate 80 is not particularly limited, and is about 0.3 mm, for example.
- the sliding surface of the wear-resistant plate 80 that slides with the pressure receiving piece 78 is polished, and its surface roughness is appropriately reduced.
- the arithmetic average surface roughness Ra of the sliding surface of the wear resistant plate 80 is 1.6 m or less. In this case, the generation of wear powder in the initial running-in is reliably prevented, and the wear of the pressure receiving piece 78 is surely prevented.
- the material of the wear resistant plate 80 is not particularly limited, but it is preferable to use an SK material (carbon tool steel) because of its high wear resistance.
- the sliding surface of the wear-resistant plate 80 that slides with the pressure receiving piece 78 may be constituted by a sliding film formed by surface treatment.
- each pressure-receiving piece during the turning motion of the movable scroll 50 When 78 is dragged by wear-resistant plate 80, it rotates in its holding hole 76, so that pressure-receiving piece 78 is placed on one or both of the bottom surface of holding hole 76 and the sliding surface of wear-resistant plate 80. Slide against.
- the wear-resistant plate 80 is disposed between the pressure receiving piece 78 and the movable scroll 50, and the pressure receiving piece 78 and the movable scroll 50 do not slide directly. Since the wear resistant plate 80 is separate from the movable scroll 50, it is easy to prepare the surface roughness of the sliding surface of the wear resistant plate 80 that slides on the pressure receiving piece 78 by polishing or the like. Therefore, according to this thrust bearing, the wear of the pressure receiving piece 78 is suppressed with a simple configuration, and good sliding characteristics are ensured over a long period of time. As a result, in this compressor, the gap between the fixed scroll 40 and the movable scroll 50 is prevented from expanding, the airtightness of the pressure chamber 52 is ensured, and the compression efficiency and the volumetric efficiency are prevented from being lowered.
- the second link pin 72 is fitted into the positioning hole 84 of the wear-resistant plate 80, so that the wear-resistant plate 80 is relative to the movable scroll 50 with a simple configuration.
- the rotation is prevented, and the sliding between the movable scroll 50 and the wear resistant plate 80 is suppressed.
- the gap between the fixed scroll 40 and the movable scroll 50 which prevents the wear-resistant plate 80 from being worn by sliding with the movable scroll 50, is reliably prevented.
- the compressor according to the embodiment has housed an electric motor including the stator 22, the coil 24, and the motor 26 in the drive casing 12, but instead of the electric motor, a pulley or an electromagnetic clutch is installed outside the drive casing. It may be provided so as to be rotatable.
- the portion of the drive casing that rotatably supports the electromagnetic clutch is formed as a small-diameter portion, and a bearing is interposed between the small-diameter portion and the pulley or electromagnetic clutch. Then, a pulley and an electromagnetic clutch are connected to the end portion of the rotating shaft 30 protruding from the drive case.
- the shape of the pressure receiving piece 78 in plan view is circular, but the shape of the pressure receiving piece in plan view is not particularly limited, and may be arcuate. Then, the number of pressure receiving pieces and the shape and number of the depressions holding the pressure receiving pieces may be appropriately changed corresponding to the shape of the pressure receiving pieces in plan view.
- the depression may be a groove extending in an arc shape. Good.
- the outer diameter of the wear resistant plate 80 is the outer diameter of the substrate 50a of the movable scroll 50.
- the outer diameter of the wear-resistant plate may be smaller or larger than the outer diameter of the substrate 50a of the movable scroll 50.
- a wear resistant plate 90 having an outer diameter larger than the outer diameter of the substrate 50a may be used. In this case, it is preferable to chamfer the outer peripheral edge 92 of the back surface of the substrate 50a to prevent breakage and cracking at the portion of the wear-resistant plate 90 that contacts the outer peripheral edge of the back surface of the substrate 50a.
- a wear resistant plate 94 as shown in FIG. 7 may be used.
- the wear-resistant plate 94 has an outer diameter larger than the outer diameter of the movable scroll 50, and the outer peripheral force of the movable scroll 50 that exceeds the outer peripheral edge of the substrate 50 a in the radial direction is warped opposite to the support wall 14. ing.
- the outer peripheral portion 94a of the wear resistant plate 94 is warped, the portion of the wear resistant plate 94 that contacts the outer peripheral edge of the back surface of the substrate 50a without chamfering the outer peripheral edge of the back surface of the substrate 50a. Breaking and cracking are prevented.
- the scroll type fluid machine of the present invention can be used not only as a compressor for a refrigeration circuit incorporated in a vehicle air conditioner but also as a compressor or an expander in various fields.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/297,741 US8075289B2 (en) | 2006-04-21 | 2007-04-10 | Scroll-type fluid machine including thrust receiving device |
EP07741301A EP2012015A4 (en) | 2006-04-21 | 2007-04-10 | FLUID MACHINE OF THE SPIRAL DESIGN |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006117819A JP4739103B2 (ja) | 2006-04-21 | 2006-04-21 | スクロール型流体機械 |
JP2006-117819 | 2006-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007123015A1 true WO2007123015A1 (ja) | 2007-11-01 |
Family
ID=38624921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/057865 WO2007123015A1 (ja) | 2006-04-21 | 2007-04-10 | スクロール型流体機械 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8075289B2 (ja) |
EP (1) | EP2012015A4 (ja) |
JP (1) | JP4739103B2 (ja) |
CN (1) | CN101427029A (ja) |
WO (1) | WO2007123015A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11143185B2 (en) * | 2017-08-25 | 2021-10-12 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Scroll compressor |
JP7439647B2 (ja) | 2020-05-29 | 2024-02-28 | 株式会社豊田自動織機 | スクロール型圧縮機 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5039327B2 (ja) * | 2006-06-14 | 2012-10-03 | 三菱重工業株式会社 | スクロール圧縮機 |
US20090057520A1 (en) * | 2007-09-05 | 2009-03-05 | Makoto Tada | Displacement Platform with a Precision Plane |
CN102536826A (zh) * | 2010-12-31 | 2012-07-04 | 苏州中成汽车空调压缩机有限公司 | 一种涡旋式汽车空调压缩机的滑动耐磨片及其加工方法 |
CN102817841B (zh) * | 2011-06-07 | 2015-07-08 | 思科涡旋科技(杭州)有限公司 | 一种带有双向推力轴承的涡卷式容积位移装置 |
CN102330682A (zh) * | 2011-10-20 | 2012-01-25 | 南京奥特佳冷机有限公司 | 具有高耐磨偏心套结构的涡旋式压缩机 |
WO2014094731A2 (de) * | 2012-12-18 | 2014-06-26 | Ixetic Bad Homburg Gmbh | Axiale gehäuseanlauffläche |
DE102014113435A1 (de) | 2014-09-17 | 2016-03-17 | Bitzer Kühlmaschinenbau Gmbh | Kompressor |
JP2023141488A (ja) * | 2022-03-24 | 2023-10-05 | サンデン株式会社 | スクロール圧縮機 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH029972A (ja) * | 1988-06-27 | 1990-01-12 | Toshiba Corp | 密閉形スクロール圧縮機 |
JPH02176178A (ja) * | 1988-12-28 | 1990-07-09 | Mitsui Seiki Kogyo Co Ltd | スクロール圧縮機のスラスト軸受構造 |
JPH02227582A (ja) * | 1989-02-28 | 1990-09-10 | Toshiba Corp | スクロールコンプレッサ |
JPH08219053A (ja) * | 1995-02-08 | 1996-08-27 | Toyota Autom Loom Works Ltd | スクロール型圧縮機 |
JP2005248925A (ja) | 2004-03-08 | 2005-09-15 | Sanden Corp | スクロール型流体機械 |
JP2005291151A (ja) | 2004-04-02 | 2005-10-20 | Sanden Corp | スクロール型流体機械 |
JP2005307949A (ja) | 2004-04-26 | 2005-11-04 | Sanden Corp | スクロール型流体機械 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4637786A (en) * | 1984-06-20 | 1987-01-20 | Daikin Industries, Ltd. | Scroll type fluid apparatus with lubrication of rotation preventing mechanism and thrust bearing |
JPS62159780A (ja) * | 1986-01-06 | 1987-07-15 | Mitsubishi Electric Corp | スクロ−ル圧縮機 |
JP3252687B2 (ja) * | 1996-01-09 | 2002-02-04 | 三菱電機株式会社 | スクロール圧縮機 |
JP2004060469A (ja) * | 2002-07-25 | 2004-02-26 | Mitsubishi Heavy Ind Ltd | スクロール型圧縮機 |
US20050129558A1 (en) * | 2003-12-15 | 2005-06-16 | Matsushita Electric Industrial Co., Ltd. | Electric compressor and assembling method thereof |
JP3918814B2 (ja) * | 2004-01-15 | 2007-05-23 | ダイキン工業株式会社 | 流体機械 |
-
2006
- 2006-04-21 JP JP2006117819A patent/JP4739103B2/ja not_active Expired - Fee Related
-
2007
- 2007-04-10 US US12/297,741 patent/US8075289B2/en not_active Expired - Fee Related
- 2007-04-10 WO PCT/JP2007/057865 patent/WO2007123015A1/ja active Application Filing
- 2007-04-10 CN CNA2007800142320A patent/CN101427029A/zh active Pending
- 2007-04-10 EP EP07741301A patent/EP2012015A4/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH029972A (ja) * | 1988-06-27 | 1990-01-12 | Toshiba Corp | 密閉形スクロール圧縮機 |
JPH02176178A (ja) * | 1988-12-28 | 1990-07-09 | Mitsui Seiki Kogyo Co Ltd | スクロール圧縮機のスラスト軸受構造 |
JPH02227582A (ja) * | 1989-02-28 | 1990-09-10 | Toshiba Corp | スクロールコンプレッサ |
JPH08219053A (ja) * | 1995-02-08 | 1996-08-27 | Toyota Autom Loom Works Ltd | スクロール型圧縮機 |
JP2005248925A (ja) | 2004-03-08 | 2005-09-15 | Sanden Corp | スクロール型流体機械 |
JP2005291151A (ja) | 2004-04-02 | 2005-10-20 | Sanden Corp | スクロール型流体機械 |
JP2005307949A (ja) | 2004-04-26 | 2005-11-04 | Sanden Corp | スクロール型流体機械 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2012015A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11143185B2 (en) * | 2017-08-25 | 2021-10-12 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Scroll compressor |
JP7439647B2 (ja) | 2020-05-29 | 2024-02-28 | 株式会社豊田自動織機 | スクロール型圧縮機 |
Also Published As
Publication number | Publication date |
---|---|
US20090116988A1 (en) | 2009-05-07 |
JP4739103B2 (ja) | 2011-08-03 |
CN101427029A (zh) | 2009-05-06 |
US8075289B2 (en) | 2011-12-13 |
JP2007291878A (ja) | 2007-11-08 |
EP2012015A4 (en) | 2012-11-28 |
EP2012015A1 (en) | 2009-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007123015A1 (ja) | スクロール型流体機械 | |
EP2781755B1 (en) | Scroll compressor with back pressure chamber | |
WO2007123016A1 (ja) | スクロール型流体機械 | |
US8550797B2 (en) | Scroll compressor with improved back pressure force control function | |
JP2010190074A (ja) | スクロール型流体機械 | |
JP2003269346A (ja) | スクロール型流体機械 | |
US8241022B2 (en) | Rotation-preventing member and scroll compressor | |
JPH01138389A (ja) | スクロール型圧縮機 | |
JP2012017656A (ja) | スクロール型圧縮機 | |
US10138887B2 (en) | Scroll compressor | |
WO2017159393A1 (ja) | スクロール圧縮機 | |
JP4440565B2 (ja) | スクロール圧縮機 | |
JP2012077616A (ja) | スクロール型圧縮機 | |
JP6563238B2 (ja) | 圧縮機 | |
JP2009024664A (ja) | スクロール型流体機械 | |
JP2006348902A (ja) | スクロール圧縮機 | |
KR20200030390A (ko) | 전동식 압축기 | |
WO2017158665A1 (ja) | スクロール圧縮機 | |
JP2012149553A (ja) | 回転式圧縮機 | |
JP2005315167A (ja) | スクロール型流体機械 | |
CN110206728B (zh) | 一种涡旋压缩机和空调器 | |
JPH02298686A (ja) | スクロール型圧縮機 | |
JP2005307949A (ja) | スクロール型流体機械 | |
CN114222862B (zh) | 涡旋式压缩机 | |
JP2008202567A (ja) | スクロール圧縮機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07741301 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 8653/DELNP/2008 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12297741 Country of ref document: US Ref document number: 200780014232.0 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007741301 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |