WO2010097959A1 - Machine à fluide à rouleaux - Google Patents

Machine à fluide à rouleaux Download PDF

Info

Publication number
WO2010097959A1
WO2010097959A1 PCT/JP2009/054000 JP2009054000W WO2010097959A1 WO 2010097959 A1 WO2010097959 A1 WO 2010097959A1 JP 2009054000 W JP2009054000 W JP 2009054000W WO 2010097959 A1 WO2010097959 A1 WO 2010097959A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
sub
scroll
orbiting
rotating shaft
Prior art date
Application number
PCT/JP2009/054000
Other languages
English (en)
Japanese (ja)
Inventor
富石 黄
光宣 黄
Original Assignee
株式会社リッチストーン
リッチストーン リミテッド
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 株式会社リッチストーン, リッチストーン リミテッド filed Critical 株式会社リッチストーン
Priority to PCT/JP2009/054000 priority Critical patent/WO2010097959A1/fr
Priority to JP2011501441A priority patent/JP5347205B2/ja
Priority to KR1020117021912A priority patent/KR101312053B1/ko
Publication of WO2010097959A1 publication Critical patent/WO2010097959A1/fr

Links

Images

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
    • 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
    • F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
    • F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
    • 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
    • F01C21/02—Arrangements of bearings
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • 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 fluid machine such as a compressor, a blower, a vacuum pump, a liquid pump, and an expander.
  • the conventional scroll fluid machine has two bearings for supporting the rotating shaft and two bearings for supporting the rotating shaft on the outside of the rotor. Since it is necessary to ensure the axial dimension, there was a drawback that it was not possible to reduce the size.
  • the problem to be solved is that the axial dimension of the scroll fluid machine that is longer by the bearing cannot be shortened.
  • the present invention includes an orbiting sub-bearing and a sub-bearing on the anti-scroll side among the orbiting main bearing and the orbiting sub-bearing that support the orbiting shaft, and the main bearing and the sub-bearing that support the rotating shaft. It is the most important feature that it is provided at a position overlapping with the rotor in the axial direction and included in the rotor.
  • the scroll fluid machine of the present invention has an advantage that the axial dimension can be shortened because it is not necessary to secure the axial dimension for the bearing outside the rotor.
  • FIG. 1 is an axial sectional view of a scroll fluid machine showing a first embodiment.
  • FIG. 2 is an axial sectional view of the scroll fluid machine showing the second embodiment.
  • FIG. 3 is an axial cross-sectional view of a scroll fluid machine showing a third embodiment.
  • Examples 1 to 3 are examples in which the present invention is implemented in a compressor.
  • FIG. 1 shows a first embodiment.
  • the stator 3 and the rotor 4 constitute an electric motor.
  • the stator 3 and the frame 5 are fixed to the casing 1.
  • a main bearing 6 is provided on the frame 5.
  • the main bearing 6 is a single-row angular contact ball bearing that can receive a thrust load, and mainly includes an outer ring 6A, an inner ring 6B, and a ball 6C.
  • the outer ring 6A is attached to the frame 5.
  • the inner ring 6B supports the outer peripheral surface of the rotary shaft front portion 10B located on the scroll side.
  • the rotor 4 is fixed to the rotating shaft 10.
  • a boss 7 is provided at the bottom of the casing 1 and a fixed shaft 8 is embedded.
  • a sub bearing 9 is provided between the fixed shaft 8 and the rotating shaft 10.
  • the auxiliary bearing 9 is a single-row angular ball bearing or deep groove ball bearing that can receive a thrust load, and mainly includes an outer ring 9A, an inner ring 9B, and a ball 9C.
  • the inner ring 9B is attached to a fixed shaft 8 fixed to the casing 1.
  • the rotating shaft 10 has a hollow portion 10A.
  • the outer ring 9A is mounted in the hollow portion 10A of the rotating shaft rear portion 10C located on the side opposite to the scroll.
  • a cover 2 is attached to the casing 1 by welding or the like.
  • a fixed scroll 15 is attached to the cover 2.
  • the orbiting scroll 11 is provided so as to face the fixed scroll 15.
  • the fixed scroll 15 and the orbiting scroll 11 constitute a fluid mechanism.
  • This fluid mechanism has a compression chamber (fluid chamber) 16.
  • a turning main bearing 30 is provided on the rotary shaft front portion 10B.
  • a turning sub-bearing 22 is provided at the rotating shaft rear portion 10C.
  • the turning main bearing 30 is a single-row angular contact ball bearing that can receive a thrust load, and mainly includes an outer ring 30A, an inner ring 30B, and a ball 30C.
  • the outer ring 30A is attached to the rotary shaft front portion 10B, and the inner ring 30B is attached to the turning shaft 21.
  • the turning sub-bearing 22 is a single row angular ball bearing or deep groove ball bearing that can receive a thrust load, and mainly includes an outer ring 22A, an inner ring 22B, and a ball 22C.
  • the outer ring 22A is attached to the rotating shaft rear portion 10C, and the inner ring 22B is attached to the turning shaft 21.
  • the inner ring 22B is fixed to the turning shaft 21 by a bolt 32 via a washer 31.
  • the turning shaft 21 is supported by the turning main bearing 30 and the turning sub bearing 22.
  • the turning sub bearing 22 is provided at a position overlapping the rotor 4 in the axial direction, and is included in the rotor 4.
  • the turning main bearing 30 and the turning sub bearing 22 are in a coaxial position, and are eccentric from the central axis of the rotating shaft 10 by a certain amount. This eccentric amount is substantially equal to the turning radius when the orbiting scroll 11 is orbited.
  • the fixed shaft 8 extends from the bottom of the casing 1 to the hollow portion 10 ⁇ / b> A of the rotating shaft 10.
  • the auxiliary bearing 9 attached to the fixed shaft 8 is provided at a position overlapping the rotor 4 in the axial direction, and is included in the rotor 4.
  • the orbiting scroll boss 11B is engaged with the tip of the orbiting shaft 21.
  • the main bearing 6 and the sub-bearing 9 are mounted in a parallel combination, and a spring 23 is provided between the stopper 25 provided at the rear portion 10C of the rotating shaft and the outer ring 9A of the sub-bearing 9 in order to preload them.
  • the spring 23 pushes the outer ring 9 ⁇ / b> A to apply a preload thereto, and pushes the inner ring 6 ⁇ / b> B of the main bearing 6 through the rotating shaft 10 to apply a preload thereto.
  • the turning main bearing 30 and the turning sub-bearing 22 are mounted in a rear combination.
  • a spring 24 is provided between the spacer 26 fixed in the rotary shaft 10 and the outer ring 22A of the turning sub bearing 22.
  • the spring 24 pushes the outer ring 22A to apply a preload thereto, and pushes the inner ring 30B of the orbiting main bearing 30 via the orbiting shaft 21 and the orbiting scroll boss 11B to apply a preload thereto.
  • a counterweight 14 is provided in order to balance the centrifugal force of the orbiting scroll 11.
  • an Oldham ring 27 is provided on the outer periphery of the rear surface of the orbiting scroll end plate 11A.
  • a suction port 17 is provided at the bottom of the casing 1.
  • a discharge port 18 is provided on the fixed scroll end plate 15A.
  • a discharge chamber 19 communicates with the discharge port 18 and is provided in the cover 2.
  • a discharge port 20 communicates with the discharge chamber 19 and is provided in the upper portion of the cover 2.
  • the stator 3 gives a rotational force to the rotor 4 and the rotating shaft 10 rotates.
  • the orbiting shaft 21 rotates eccentrically, and the orbiting scroll 11 moves eccentrically.
  • the orbiting scroll 11 is prevented from rotating by the Oldham ring 27 and revolves.
  • the working fluid is sucked into the casing 1 from the suction port 17, flows into the suction chamber 12, is compressed in the compression chamber (fluid chamber) 16, flows into the discharge chamber 19 from the discharge port 18, and goes to the outside from the discharge port 20. Discharged.
  • the scroll is compared with the conventional structure in which the orbiting sub-bearing and the auxiliary bearing are provided outside the rotor.
  • the overall length of the fluid machine can be shortened.
  • single-row angular contact ball bearings are used for the swing main bearing 30 and the main bearing 6, and single-row angular contact ball bearings or deep groove ball bearings are used for the swing sub-bearing 22 and the sub-bearing 9. The bearing is preloaded.
  • the fluid machine of the present embodiment does not use an angular ball bearing and can receive a large thrust force as compared with a conventional structure in which no preload is applied to the bearing, and can stably drive without play. Moreover, since the single row bearing is used, the total length of the scroll fluid machine can be shortened.
  • FIG. 2 shows a second embodiment. Description of components having the same reference numerals as those in the first embodiment is omitted.
  • the rotating shaft 10 includes a rotating shaft main portion 10D supported by the main bearing 6 and a rotating shaft sub portion 10E supported by the sub bearing 9.
  • the rotary shaft main portion 10D and the rotary shaft sub-portion 10E are integrated by press-fitting, screwing, joining, or the like.
  • the swing main bearing 30 is a single-row angular contact ball bearing that can receive a thrust load.
  • the turning sub bearing 22 is a single-row angular contact ball bearing or deep groove ball bearing that can receive a thrust load.
  • the inner ring 22 ⁇ / b> B of the turning sub-bearing 22 is fixed to the turning shaft 21 by a retaining ring 13.
  • the turning sub bearing 22 is provided at a position overlapping the rotor 4 in the axial direction, and is included in the rotor 4.
  • a spring 24 is provided between the stopper 10F protruding in the rotary shaft 10 and the outer ring 22A of the turning sub-bearing 22 in order to mount the turning main bearing 30 and the turning sub-bearing 22 in a rear combination and apply a preload thereto.
  • the spring 24 pushes the outer ring 22A to apply a preload thereto, and pushes the inner ring 30B of the orbiting main bearing 30 via the orbiting shaft 21 and the orbiting scroll boss 11B to apply a preload thereto.
  • An outer ring 9 ⁇ / b> A of the auxiliary bearing 9 is attached to a boss 7 provided at the bottom of the casing 1.
  • the inner ring 9B is mounted on the rotary shaft sub-portion 10E and is stopped by a retaining ring 29.
  • the sub-bearing 9 is provided at a position overlapping with the rotor 4 in the axial direction, and about half of the bearing width is included in the rotor 4.
  • the main bearing 6 is a single row angular main bearing that receives a thrust load.
  • the auxiliary bearing 9 is a single row angular ball bearing or deep groove ball bearing that can receive a thrust load.
  • the main bearing 6 and the sub-bearing 9 are mounted in a rear combination.
  • a spring 23 is mounted between a stopper 33 provided at the end of the boss 7 and the outer ring 9A.
  • the spring 23 pushes the outer ring 9A to preload it, and pushes the inner ring 6B of the main bearing 6 via the rotating shaft sub-portion 10E and the rotating shaft main portion 10D to preload it.
  • a bottom cover 28 is attached to the bottom of the casing 1 by welding or the like.
  • a suction port 17 is provided in the bottom cover 28.
  • the working fluid is sucked into the casing 1 from the suction port 17, flows into the suction chamber 12, is compressed in the compression chamber (fluid chamber) 16, flows into the discharge chamber 19 from the discharge port 18, and flows out from the discharge port 20 to the outside. Discharged.
  • the total length of the scroll fluid machine can be shortened.
  • FIG. 3 shows a third embodiment. Description of components having the same reference numerals as those in the second embodiment is omitted.
  • the auxiliary bearing 9 is provided at a position overlapping the rotor 4 in the axial direction and included in the rotor 4.
  • the main bearing 6 is a single row angular contact ball bearing capable of receiving a thrust load.
  • the auxiliary bearing 9 is a single row angular ball bearing or deep groove ball bearing that can receive a thrust load.
  • the main bearing 6 and the sub bearing 9 are mounted in combination on the back surface.
  • the outer ring 9 ⁇ / b> A is mounted on the boss 7 and is stopped by a stopper 33.
  • a spring 23 is mounted between a retaining ring 29 attached to the tip of the rotary shaft sub-portion 10E and the inner ring 9B.
  • the spring 23 pushes the outer ring 9A to apply a preload thereto, and pushes the inner ring 6B through the rotating shaft sub-portion 10E and the rotating shaft main portion 10D to apply a preload thereto.
  • the electric motor is energized, a rotational force is applied to the rotor 4 and the rotary shaft 10 rotates. Thereafter, the same operation as in Example 2 is performed.
  • the total length of the scroll fluid machine can be shortened.
  • the angular ball bearing or the deep groove ball bearing is used in Examples 1 to 3, but other bearings such as a tapered roller bearing may be used.
  • a compressor in which an electric motor is integrated is taken as an example.
  • the present invention also includes an expander in which a generator is integrated in place of the electric motor.
  • the generator is constituted by the stator 3 and the rotor 4.
  • An anti-scrolling side turning sub-bearing 22 that supports the turning shaft 21 and an anti-scrolling side auxiliary bearing 9 that supports the rotating shaft are provided at a position overlapping with the rotor 4 in the axial direction and included in the rotor 4.

Landscapes

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

Abstract

L'invention porte sur une machine à fluide à rouleaux qui comporte un palier à bascule d'assistance latérale anti-enroulement afin de porter un arbre pivotant et un palier d'assistance latérale anti-enroulement afin de porter un arbre rotatif. Les paliers sont disposés de façon à recouvrir un rotor dans la direction axiale, grâce à quoi on peut obtenir une machine à fluide à rouleaux de faible longueur totale.
PCT/JP2009/054000 2009-02-25 2009-02-25 Machine à fluide à rouleaux WO2010097959A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2009/054000 WO2010097959A1 (fr) 2009-02-25 2009-02-25 Machine à fluide à rouleaux
JP2011501441A JP5347205B2 (ja) 2009-02-25 2009-02-25 スクロール流体機械
KR1020117021912A KR101312053B1 (ko) 2009-02-25 2009-02-25 스크롤 유체기계

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/054000 WO2010097959A1 (fr) 2009-02-25 2009-02-25 Machine à fluide à rouleaux

Publications (1)

Publication Number Publication Date
WO2010097959A1 true WO2010097959A1 (fr) 2010-09-02

Family

ID=42665187

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/054000 WO2010097959A1 (fr) 2009-02-25 2009-02-25 Machine à fluide à rouleaux

Country Status (3)

Country Link
JP (1) JP5347205B2 (fr)
KR (1) KR101312053B1 (fr)
WO (1) WO2010097959A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481839A (en) * 2010-07-08 2012-01-11 Edwards Ltd Axially flexible bearing carrier for a pump
WO2018098269A2 (fr) 2016-11-23 2018-05-31 Mersana Therapeutics, Inc. Lieurs contenant des peptides pour des conjugués anticorps-médicament
WO2021216920A1 (fr) 2020-04-22 2021-10-28 Iovance Biotherapeutics, Inc. Systèmes et procédés pour coordonner la fabrication de cellules pour l'immunothérapie spécifique au patient

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928090A (ja) * 1983-06-06 1984-02-14 Mitsubishi Electric Corp スクロ−ル圧縮機
JPS63138184A (ja) * 1986-11-28 1988-06-10 Mitsui Seiki Kogyo Co Ltd スクロ−ル圧縮機
JP2004218519A (ja) * 2003-01-15 2004-08-05 Mineo Takahashi スクロール流体機械
JP2006336507A (ja) * 2005-05-31 2006-12-14 Hitachi Ltd スクロール式流体機械
JP2008008166A (ja) * 2006-06-28 2008-01-17 Matsushita Electric Ind Co Ltd スクロール式流体機械

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003293966A (ja) * 2002-03-29 2003-10-15 Tokico Ltd スクロール式流体機械
JP2004116415A (ja) * 2002-09-26 2004-04-15 Nsk Ltd 高速流体装置
JP4882765B2 (ja) * 2007-01-30 2012-02-22 株式会社デンソー 圧縮機およびこれを用いた空調装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928090A (ja) * 1983-06-06 1984-02-14 Mitsubishi Electric Corp スクロ−ル圧縮機
JPS63138184A (ja) * 1986-11-28 1988-06-10 Mitsui Seiki Kogyo Co Ltd スクロ−ル圧縮機
JP2004218519A (ja) * 2003-01-15 2004-08-05 Mineo Takahashi スクロール流体機械
JP2006336507A (ja) * 2005-05-31 2006-12-14 Hitachi Ltd スクロール式流体機械
JP2008008166A (ja) * 2006-06-28 2008-01-17 Matsushita Electric Ind Co Ltd スクロール式流体機械

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481839A (en) * 2010-07-08 2012-01-11 Edwards Ltd Axially flexible bearing carrier for a pump
GB2481839B (en) * 2010-07-08 2017-03-22 Edwards Ltd An axially flexible pump bearing carrier
US9631630B2 (en) 2010-07-08 2017-04-25 Edwards Limited Bearing carrier for a pump
WO2018098269A2 (fr) 2016-11-23 2018-05-31 Mersana Therapeutics, Inc. Lieurs contenant des peptides pour des conjugués anticorps-médicament
WO2021216920A1 (fr) 2020-04-22 2021-10-28 Iovance Biotherapeutics, Inc. Systèmes et procédés pour coordonner la fabrication de cellules pour l'immunothérapie spécifique au patient

Also Published As

Publication number Publication date
KR101312053B1 (ko) 2013-09-25
JP5347205B2 (ja) 2013-11-20
KR20110131216A (ko) 2011-12-06
JPWO2010097959A1 (ja) 2012-08-30

Similar Documents

Publication Publication Date Title
JP5594846B2 (ja) スクロール型圧縮機
JP6587636B2 (ja) 電動スクロール圧縮機
WO2015060038A1 (fr) Compresseur à spirale électrique
JPH04365902A (ja) スクロール型流体機械
WO2014192666A1 (fr) Compresseur à spirale
JP2007023776A (ja) スクロール流体機械
JP5347205B2 (ja) スクロール流体機械
JP5109042B2 (ja) スクロール流体機械
JP2014029117A (ja) スクロール圧縮機
CN112240296B (zh) 涡旋式压缩机
WO2015049745A1 (fr) Compresseur à spirale
JP2007285143A (ja) スクロール式流体機械
JP2003301784A (ja) スクロール流体機械の自転防止機構
JP5148656B2 (ja) 回転機械
JP5147489B2 (ja) スクロール圧縮機
JP2008008166A (ja) スクロール式流体機械
JP4356375B2 (ja) 圧縮機
JP2009127563A (ja) スクロール型コンプレッサ
JP2002257057A (ja) スクロール式流体機械
JP2004169608A (ja) スクロール型空気供給装置
JP4303095B2 (ja) スクロール式流体機械
KR101692865B1 (ko) 전동식스크롤압축기
JP2977507B2 (ja) スクロール圧縮機
JP5274398B2 (ja) スクロール流体機械
JP5010306B2 (ja) スクロール型流体機械

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: 09840812

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2011501441

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20117021912

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 09840812

Country of ref document: EP

Kind code of ref document: A1