WO2006123502A1 - Ailette pour compresseur rotatif et procede de fabrication associe - Google Patents

Ailette pour compresseur rotatif et procede de fabrication associe Download PDF

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Publication number
WO2006123502A1
WO2006123502A1 PCT/JP2006/308384 JP2006308384W WO2006123502A1 WO 2006123502 A1 WO2006123502 A1 WO 2006123502A1 JP 2006308384 W JP2006308384 W JP 2006308384W WO 2006123502 A1 WO2006123502 A1 WO 2006123502A1
Authority
WO
WIPO (PCT)
Prior art keywords
vane
rotary compressor
land portion
land
contact
Prior art date
Application number
PCT/JP2006/308384
Other languages
English (en)
Japanese (ja)
Inventor
Osamu Akita
Hiroyuki Suzuki
Hidetoshi Arahata
Original Assignee
Valeo Thermal Systems Japan Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Thermal Systems Japan Corporation filed Critical Valeo Thermal Systems Japan Corporation
Publication of WO2006123502A1 publication Critical patent/WO2006123502A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3446—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface

Definitions

  • the present invention relates to a vane used in a rotary compressor constituting a part of an air conditioner, and more particularly to its shape and manufacturing method.
  • a compressor that performs a function of compressing a refrigerant in a refrigeration cycle
  • a compressor called a rotary type or a vane type
  • the vane used in this rotary compressor is an important member that defines a compression chamber for compressing refrigerant.
  • vanes such as C, A mixture of Si, Cr, W, Mo, V, Co, and S so as to have a predetermined composition ratio is disclosed (see Patent Document 2).
  • the vane of the rotary type compressor is made by pressing the raw material powder I with a die composed of a die 101 and punches 103 and 104 and then sintering the raw material powder I. Produced. Then, as shown in FIG. 7 (a), a flat land is formed on the tangent between the upper surface 105 and the side surfaces 106 and 107 and the tangent between the lower surface 108 and the side surfaces 106 and 107, respectively. The portions 110, 111, 112, and 113 are formed. This land portion is indispensable for reducing the load on the punches 103 and 104 in the mold forming method, and is usually set so that its width is about 0.20 mm.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2004-360619
  • Patent Document 2 JP-A-6-33200
  • an object of the present invention is to effectively reduce the cost for producing vanes.
  • the present invention provides a vane used in a rotary compressor, wherein a contact surface between a slidable contact surface and a side surface slidably contacted with an inner peripheral surface of a cylinder defining a compression chamber. Or a land portion is present at the contact side between the storage surface and the side surface which is the surface opposite to the sliding contact surface and is stored in the vane groove formed in the rotor. (Claim 1).
  • the land portion includes, as shown in FIG. 3, a contact side 27 between the sliding contact surface 23 and the rear side surface 26 on the rear side in the traveling direction of the vane 21, It is preferably formed on the contact side 29 between the storage surface 24 and the rear side surface 26, and on the contact side 28 between the storage surface 24 and the front side surface 25 on the front side in the traveling direction of the vane 21! Claim 2).
  • the width of the land portion is 0.05 mm or less (claim 3).
  • a thinned portion may be formed (claim 4).
  • a plug member that also has rubber or a grease material strength may be fitted into the lightening portion (claim 5).
  • the land portion is formed.
  • the process A includes compressing and sintering the raw material powder of the vane, and the process B for polishing the raw material manufactured by the process A so that the land portion remains. (Claim 6).
  • the land portion can be left in the finished product of the vane, and the amount of polishing can be reduced as compared with the conventional case, so that the cost can be efficiently reduced.
  • the width of the land portion formed in the step A is 0.20 mm, and the land portion is cut in the polishing operation of the step B. Is preferably 0.15 mm or more and less than 0.20 mm (Claim 7).
  • polishing of 0.20 mm or more has been performed in the work corresponding to the polishing work of step B, but in the present invention, a minimum polishing of 0.15 mm is sufficient.
  • FIG. 1 (a) is a side sectional view showing a structure of a rotary compressor in which a vane according to the present invention is used
  • FIG. 1 (b) is a front view of the rotary compressor. It is sectional drawing.
  • FIG. 2 (a) is a front view of a vane according to the present invention
  • FIG. 2 (b) is a left side view of the vane.
  • FIG. 3 is a view showing the structure of the vane contact side according to the first embodiment.
  • FIG. 4 (a) is a view showing the structure of the land portion on the sliding contact surface side of the vane according to the first embodiment.
  • FIG. 4B is a diagram illustrating the structure of the land portion on the storage surface side of the vane according to the first embodiment.
  • FIG. 5 is a view showing a structure of a vane according to a second embodiment.
  • FIG. 6 is a diagram showing a general method for producing a vane.
  • Fig. 7 is a diagram showing the structure of the tangent side of the conventional vane material
  • Fig. 7 (b) is a diagram showing the structure of the tangent side of the finished product of the conventional vane. is there.
  • a rotary compressor (hereinafter abbreviated as a compressor) 1 shown in FIGS. 1 (a) and 1 (b) constitutes a part of a vehicle air conditioner, and usually uses a clutch engine or a traveling engine or It is connected to the electric motor and has the effect of compressing the refrigerant gas flowing out of the evaporator in the refrigeration cycle and sending it out to the condenser.
  • the compressor 1 is configured by assembling a cylinder 2, a front block 3, a rear block 4, and a front side block 5, and the cylinder 2 has a substantially elliptical cylinder space 7, and this cylinder space A true circular rotor 9 that contacts a part of the inner peripheral surface 10 of the cylinder space 7 is disposed in the cylinder 7.
  • the rotor 9 rotates in the direction of arrow A in the figure, and the cylinder space 7 is partitioned into two cylinder spaces 7a and 7b by the rotor 9.
  • Two suction ports 12 and two discharge ports 13 are formed in the vicinity of the portion of the inner peripheral surface 10 of the cylinder 2 in contact with the rotor 9.
  • the suction port 12 is formed at the inlet portion of the two cylinder spaces 7a and 7b.
  • 3 is formed in the exit part of two cylinder space 7a, 7b.
  • Discharge valve 14 is installed at discharge port 13!
  • the rotor 9 is formed with a fitting hole 19 into which the shaft 17 is inserted at the center thereof, and is inclined at a predetermined angle from the center toward the rotation direction A side and extends in a substantially radial direction.
  • a groove 20 is formed.
  • a vane 21 is slidably inserted into each of the vane grooves 20, and each vane 21 corresponds to the pressure in the back pressure chamber 22 formed at the center side end of the vane groove 20 and the rotor. Due to the centrifugal force of 9, the tip protrudes and contacts the inner peripheral surface 10 side. As a result, a plurality of compression chambers 25 are defined in the cylinder space 7.
  • the shaft 17 is inserted into the fitting hole 19 of the rotor 9, is rotatably supported by radial bearings 27, 28 provided in the front side block 5 and the rear block 4, and is external to the shaft seal 29.
  • An electromagnetic clutch mechanism (not shown) is connected to the tip 17a that protrudes toward the bottom.
  • a high-pressure refrigerant passage and a high-pressure chamber 32 having an oil separation function are formed, and the high-pressure chamber 32 communicates with an opening for discharging the high-pressure refrigerant to an external mechanism.
  • the front side block 5 has a flat surface on the cylinder 2 side, a through hole 34 through which the shaft 17 is inserted in the center, and two arc-shaped back pressure grooves 35a and 35b are formed in the periphery of the through hole 34. .
  • High pressure oil is supplied to the back pressure grooves 35a, 35 from an oil reservoir 37 through oil supply holes formed in the front side block 5.
  • a suction chamber 40 is formed between the rear block 4 and the cylinder 2, and the suction chamber 40 communicates with an external mechanism via a check valve 41.
  • An insertion hole 43 into which the shaft 17 is inserted is formed at the center of the rear block 4, and two arc-shaped back pressure grooves 45a and 45b are formed at symmetrical positions around the insertion hole 43.
  • the back pressure grooves 45a and 45b are also filled with oil that has flowed through the back pressure chamber 22 formed in the rotor 9.
  • the vane 21 has the structure shown in FIGS. Fig. 2 (a), As shown in (b), the vane 21 includes a sliding contact surface 23 that is in sliding contact with the inner peripheral surface 10 of the cylinder 2, a storage surface 24 that is stored in the vane groove 20 of the rotor 9, and a traveling direction of the vane 21 (rotor 9 Rotation direction A) It has a front side surface 25 on the front side and a rear side surface 26 on the rear side in the traveling direction of the vane 21.
  • the slidable contact surface 23 has an R shape inclined so that the upper end force of the front side surface 25 gradually decreases toward the upper end of the rear side surface 26, and the storage surface 24 has a substantially perfect semicircle shape.
  • a land portion 30 is present at a contact side 27 between the sliding contact surface 23 and the rear side surface 26, and a contact side 28 between the storage surface 24 and the front side surface 25,
  • land portions 31 and 32 exist at the contact side 29 between the storage surface 24 and the rear side surface 26, respectively.
  • the finished product of the vane 21 is manufactured by performing barrel polishing or the like on a material product manufactured by pressing and sintering with a punch.
  • the width D 2 (D2 By polishing only D1), it is formed by leaving the force on the finished product with the land part 30 and 31 of width D3 (same for the land part 32) (D1: land width of the material, D2: Polishing width, D3: Land width of the finished product).
  • D2 0.15 (mm)
  • D3 0.05 (mm).
  • a vane 50 according to the present embodiment shown in FIG. 5 is one in which a lightening portion 51 is formed in addition to the configuration of the land portion. As a result, even when an inexpensive iron-based material is used, it is possible to reduce the weight sufficiently. In addition, a plug member 52 made of rubber or grease may be inserted into the cutout portion 51. Thereby, noise due to chattering can be reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

La présente invention décrit une ailette pour un compresseur rotatif et un procédé de fabrication de l’ailette permettant de réduire de façon considérable les coûts de fabrication de l’ailette. Dans l’ailette (21) utilisée pour le compresseur rotatif, une partie en sillon (30) est formée à une partie de raccord entre une face de contact coulissante (23) en contact coulissant avec la surface périphérique interne d’un cylindre formant une chambre de compression et une face latérale (26) ou des parties en sillon (31) et (32) sont formées aux parties de raccord entre une face de stockage (24) stockée dans une rainure d’ailette formée dans des faces de rotor et latérales (25) et (26).
PCT/JP2006/308384 2005-05-20 2006-04-21 Ailette pour compresseur rotatif et procede de fabrication associe WO2006123502A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005147493A JP2006322414A (ja) 2005-05-20 2005-05-20 ロータリ型圧縮機用ベーン及びその製造方法
JP2005-147493 2005-05-20

Publications (1)

Publication Number Publication Date
WO2006123502A1 true WO2006123502A1 (fr) 2006-11-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/308384 WO2006123502A1 (fr) 2005-05-20 2006-04-21 Ailette pour compresseur rotatif et procede de fabrication associe

Country Status (2)

Country Link
JP (1) JP2006322414A (fr)
WO (1) WO2006123502A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105102161A (zh) * 2013-01-25 2015-11-25 吉凯恩粉末冶金工程有限公司 制造叶片泵的叶片的方法、叶片泵的叶片和叶片泵
EP3258114A4 (fr) * 2015-02-12 2018-01-24 Calsonic Kansei Corporation Compresseur de gaz

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101831304B1 (ko) 2016-12-05 2018-02-23 희성정밀(주) 로터리 압축기용 베인의 제조 방법
WO2019229901A1 (fr) * 2018-05-30 2019-12-05 三菱電機株式会社 Pompe à palettes et son procédé de fabrication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5042407Y1 (fr) * 1970-07-31 1975-12-02
JPS5476795A (en) * 1977-11-30 1979-06-19 Toshiba Corp Method of forming nuclear fuel element
JPH0325880U (fr) * 1989-07-21 1991-03-18
JPH06295836A (ja) * 1992-06-30 1994-10-21 Samsung Corning Co Ltd フェライトコアの製造方法
JPH10296499A (ja) * 1997-04-30 1998-11-10 Kyocera Corp 圧粉体のプレス成形方法とそのプレス成形金型
JP2000071223A (ja) * 1998-08-31 2000-03-07 Kyocera Corp 粉末加圧成形方法とこれにより製造したツバを有する筒状体、及び電気部品用ケース

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120892U (ja) * 1982-02-10 1983-08-17 三菱重工業株式会社 ロ−タリ圧縮機
JPS614886A (ja) * 1984-06-19 1986-01-10 Matsushita Electric Ind Co Ltd ベ−ン回転式圧縮機
JPS61149595A (ja) * 1984-12-20 1986-07-08 Nippon Denso Co Ltd ベ−ン型コンプレツサ
JPS63112292U (fr) * 1987-01-16 1988-07-19
JPH0633200A (ja) * 1992-07-15 1994-02-08 Toshiba Corp ロータリ圧縮機のベーン

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5042407Y1 (fr) * 1970-07-31 1975-12-02
JPS5476795A (en) * 1977-11-30 1979-06-19 Toshiba Corp Method of forming nuclear fuel element
JPH0325880U (fr) * 1989-07-21 1991-03-18
JPH06295836A (ja) * 1992-06-30 1994-10-21 Samsung Corning Co Ltd フェライトコアの製造方法
JPH10296499A (ja) * 1997-04-30 1998-11-10 Kyocera Corp 圧粉体のプレス成形方法とそのプレス成形金型
JP2000071223A (ja) * 1998-08-31 2000-03-07 Kyocera Corp 粉末加圧成形方法とこれにより製造したツバを有する筒状体、及び電気部品用ケース

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105102161A (zh) * 2013-01-25 2015-11-25 吉凯恩粉末冶金工程有限公司 制造叶片泵的叶片的方法、叶片泵的叶片和叶片泵
CN105102161B (zh) * 2013-01-25 2017-10-10 吉凯恩粉末冶金工程有限公司 制造叶片泵的叶片的方法、叶片泵的叶片和叶片泵
US9855604B2 (en) 2013-01-25 2018-01-02 Gkn Sinter Metals Engineering Gmbh Method for producing a vane for a rotary vane pump, vane for a rotary vane pump and rotary vane pump
EP3258114A4 (fr) * 2015-02-12 2018-01-24 Calsonic Kansei Corporation Compresseur de gaz

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Publication number Publication date
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