WO2005033509A1 - Compresseur alternatif - Google Patents

Compresseur alternatif Download PDF

Info

Publication number
WO2005033509A1
WO2005033509A1 PCT/KR2003/002054 KR0302054W WO2005033509A1 WO 2005033509 A1 WO2005033509 A1 WO 2005033509A1 KR 0302054 W KR0302054 W KR 0302054W WO 2005033509 A1 WO2005033509 A1 WO 2005033509A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
resonant
spring
piston
support
Prior art date
Application number
PCT/KR2003/002054
Other languages
English (en)
Inventor
Seong-Yeol Hyeon
Original Assignee
Lg Electronics Inc.
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 Lg Electronics Inc. filed Critical Lg Electronics Inc.
Priority to PCT/KR2003/002054 priority Critical patent/WO2005033509A1/fr
Priority to CNB2003801102962A priority patent/CN100476203C/zh
Priority to AU2003264998A priority patent/AU2003264998A1/en
Priority to DE10394227T priority patent/DE10394227B4/de
Priority to US10/551,625 priority patent/US20060210411A1/en
Publication of WO2005033509A1 publication Critical patent/WO2005033509A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids

Definitions

  • the present invention relates to a reciprocating compressor, and particularly to a reciprocating compressor that can be compact in size and having improved performance.
  • FIG. 1 is a sectional view showing a reciprocating compressor in accordance with one example of a conventional art.
  • a conventional reciprocating compressor includes a close casing to which a suction pipe 102 and a discharge pipe 104 are connected respectively; a driving unit 108 disposed in the casing 106 and generating a reciprocal movement force; a compression unit 110 transmitted the reciprocal movement force generated at the driving unit 108 and compressing a fluid; a support portion 112 supporting the driving unit 108 and the compression unit 110.
  • the driving unit 108 includes an outer stator 116 fixed at the support portion 112 and having a winding coil 114 to which power is applied; an inner stator 118 disposed at an inner circumferential surface of the outer stator 116 with a predetermined air gap therebetween; a magnet 120 positioned at the air gap between the outer stator 116 and the inter stator 118 and linearly and reciprocally moved when power is applied to the winding coil 114; and a moving member 122 mounted to the magnet 120 at a same interval in a circumferential direction and transmitting a linear movement of the magnet 120 to the piston 124 by being coupled with a piston 124 of the compression unit 110.
  • the compression unit 110 includes a piston 124 linearly and reciprocally moved by being coupled with the moving member 122; a cylinder 130, in which the piston 124 is slidably inserted, having a compression chamber; and a suction valve 132 installed at a front portion of the piston 124 to prevent the fluid introduced into the compression chamber from being flowed backwardly; a discharge valve assembly 134 installed at a front portion of the cylinder 130 to perform an open-and-shut action of a discharged fluid.
  • the support unit 112 includes a first frame 140 to which the inner stator
  • the resonant spring unit 146 for inducing a resonant movement of the piston 124 includes a first resonant spring 148 interposed between the first frame and one side surface of a connecting portion 152 between the moving member 122 and the piston 124, and providing an elastic force to the piston 124 when the piston 124 is rearwardly moved; and second resonant spring 150 interposed between the other side surface of the connecting portion 152 and the third frame 144, and providing an elastic force to the piston 124 when the piston 124 is forwardly moved in order to compress a fluid.
  • the first resonant spring 148 and the second resonant spring 150 are formed of a compression coil spring.
  • the first resonant spring 148 has a bigger diameter than an outer diameter of the cylinder 130 and positioned at the outer circumferential surface of the cylinder 130, and the second resonant spring 150 is positioned at a rear portion of the compression unit 110.
  • the convention reciprocating compressor when power is applied to a winding coil 114, a flux is formed between the outer stator 115 and the inner stator, and thus the magnet 120 and the moving member 122 are linearly and reciprocally moved. While the piston 124 connected to the moving member 122 is linearly and reciprocally moved in the cylinder 130, a fluid is compressed.
  • the piston 124 forwardly moves to compress a fluid, an elastic force of a second resonant spring 150 is provided to the piston 124, and when moving rearwardly, an elastic force of a first resonant spring 148 is provided to the piston 124.
  • the first resonant spring 148 is positioned in a space between an outer circumferential surface of the cylinder 130 and an inner circumferential surface of the inner stator 118. Accordingly, a width of a compressor should be big because a predetermined space should be secured to install the first resonant spring 148 between the outer circumferential surface of the cylinder 130 and the inner stator 118.
  • FIG. 5 is a sectional view showing a reciprocating compressor for solving those problems according to another example of the conventional art.
  • a compression unit 110 is disposed at a front portion of a casing 106 and fixed at a first frame 162
  • a driving unit 108 is disposed at a rear portion of the casing 106, and fixed
  • a moving member 122 of the driving unit 108 and a piston 124 are connected mechanically and a spring supporting member is disposed at a connection portion of the moving member 122 and the piston 124. Also, plural first resonant springs 172 are disposed between the first
  • a width of the compressor 110 can be reduced since the driving unit 108 and the compression unit 110 are positioned at front and rear portions of the casing 106 respectively and the first resonant spring 172 and the second resonant spring 174 are disposed at an outer circumferential portion of the compression 110. Also, since the plural first and second resonant springs 172 and 174 are disposed in a circumferential direction, a torsion moment caused by repeated compression and expansion of the springs can be reduced.
  • the driving unit 108 generating a reciprocal movement force and the compression unit 110 transmitted the movement force from the driving unit 108 are disposed at the front portion and at rear portions of the compressor at a predetermined interval.
  • a reciprocating compressor capable of moving a resonant spring horizontally and straight forwardly by reducing a torsion moment of the resonant spring, reducing a width of the compressor, and maintaining a concentricity of a driving unit and a compression unit.
  • a reciprocating compressor including a driving unit having an outer stator and an inner stator disposed at a predetermined air gap therebetween, and a moving member positioned between the outer stator and the inner stator and linearly and reciprocally moved; a cylinder fixed at an inner circumferential surface of the inner stator; a compression unit coupled with the moving member and linearly and reciprocally moved in the cylinder; a support unit for supporting the compression unit and the driving unit; a resonant spring unit disposed at a rear portion of the driving unit, disposed at the support portion and inducing a resonant movement of the piston.
  • the cylinder is fixed at the inner circumferential surface of the inner stator by a press-fit method.
  • the support unit includes a first frame supporting an outer circumferential surface of the cylinder and one side surface of each of outer stator and inner stator; a second frame supporting the other side surface of the outer stator; a third frame coupled with the second frame and receiving the resonant spring unit.
  • the resonant spring unit includes a spring support member mounted to a portion where the piston and moving member are connected; plural first resonant springs disposed between the second frame and one side surface of the spring support member; plural second resonant springs disposed between the third frame and the other side surface of the spring support member.
  • the spring support member includes a coupling portion coupled with a portion where the moving member and the piston are connected, and disposed at a rear portion of the piston; a first support portion where the first resonant spring is supported, prolonged from an edge of the coupling portion at a predetermined interval in a circumferential direction; a second support portion where the second resonant spring is supported, disposed between the first support portions
  • Figure 1 is a sectional view showing a reciprocating compressor in accordance with one example of the conventional art.
  • Figure 2 is a sectional view showing a reciprocating compressor in accordance with another example of the conventional art.
  • Figure 3 is a sectional view showing a reciprocating compressor in accordance with one embodiment of the present invention.
  • Figure 4 is a sectional view showing a state that an inner stator of a reciprocating compressor and a cylinder are coupled in accordance with the present invention.
  • Figure 5 is a sectional view taken along line V-V of Figure 4.
  • Figure 6 is a perspective view showing a resonant spring unit of a reciprocating compressor in accordance with the present invention.
  • Figure 7 is a side view showing a disposition state of resonant springs of a reciprocating compressor in accordance with the present invention.
  • Figures 8 and 9 are partial sectional views showing a fixing state of a resonant spring in accordance with the present invention.
  • Figures 10 and 11 are front views showing a winding direction of a resonant spring of a reciprocating compressor in accordance with the present invention.
  • FIG. 3 is a sectional view of a reciprocating compressor according to the present invention.
  • the reciprocating compressor of the present invention includes a casing 14 to which a suction pipe 10 and a discharge pipe12 are connected respectively; a driving unit 16 disposed in the casing 14 and generating a reciprocal movement force; a compression unit 18 disposed in the driving unit 16 and compressing a fluid by being transmitted the reciprocal movement force of the driving unit 16; a support unit 20 supporting the driving unit 16 and the compression unit 18; a resonant spring assembly 24 installed at the support unit 20 and inducing a resonant movement of the piston 22 by providing an elastic force to the piston 22 of the compression unit 18.
  • the driving unit 16 includes an outer stator 26 fixed at the support portion 20; an inner stator 28 disposed between itself and an inner circumferential surface of the outer stator 26 at a predetermined air gap; a winding coil 30 to which power is applied, disposed at one of the outer stator 28 and the inner stator 28; a magnet 32 installed at the air gap between the outer stator 26 and the inner stator 28, and linearly and reciprocally moved when power is applied to the winding coil 30; a moving member 34 at which the magnet 32 is fixed at a same interval in a circumferential direction, transmitting a linear movement of the magnet to the piston 22 by being coupled with the piston 22 of the compression unit 18.
  • the compression unit 18 includes a cylinder 38 fixed at the inner circumferential surface of the inner stator 28, and having a compression chamber 36 in which a fluid is compressed; a piston 22 linearly and movably inserted in the cylinder 38, coupled with the moving member 34, linearly moved when the moving member 32 is linearly moved, thereby compressing a fluid in the compression chamber 36; a suction valve 40 mounted to a front portion of the piston 122 to prevent the fluid introduced into the compression chamber from being flowed backwardly; a discharge valve assembly 42 disposed at a front portion of the cylinder 38 to perform an open-and-shut action of a discharged fluid.
  • the support unit 20 includes a first frame 46 mounted to the outer circumferential surface of the cylinder 38, and supporting one side surface of the outer stator 26; a second frame 48 supporting the other side surface of the outer stator 26; a third frame 50 coupled with the second frame 48 and receiving a resonant spring unit 24.
  • an outer circumferential surface of the cylinder 38 is supported at the inner circumferential surface of the first frame 46 by the press-fit method or the like, one side surface of the inner stator 28 is supported at its inner side surface, and one side surface of the outer stator 26 is supported at its outer side surface.
  • the other side surface of the outer stator 26 is supported at one side surface of the second frame 48.
  • the third frame 50 is fixed, and springs of the resonant spring unit 24 are supported.
  • its one end is fixed at the second frame 48, and prolonged at a certain length toward the rear portion of the casing 14.
  • the resonant spring unit 24 includes a spring support member 60 mounted to a portion where the piston 22 and the moving member 34 are connected; a first resonant spring 62 disposed between the second frame 48 and one side surface of the spring support member 60, and providing an elastic force to the piston 22 when the piston moves rearwardly; a second resonant spring 64 disposed between the inner surface of the third frame 50 and the other side surface of the spring support member 60 and providing an elastic force to the piston 22 when the piston moves forwardly.
  • the spring support member 60 includes a coupling portion 66 positioned at the rear portion of the piston 22 and fixed at a portion where the moving member 34 and the piston 22 are coupled; plural first support portions 68 prolonged from the edge of the coupling portion 66 at a certain interval in a circumferential direction and supporting the first resonant springs 62; second support portions 70 positioned between the first support portions 68, and supporting the second resonant spring 64.
  • the disc-shaped coupling portion 66 has a passage 75 through which a fluid passes, at its center portion.
  • the first support portion 68 is rearwardly prolonged from the edge of the coupling portion 66 at a certain length, and is outwardly bent at its end portion so as to install the first resonant springs 62.
  • first support portions 68 are formed at a certain interval in a circumferential direction of the coupling portion 66.
  • the second support portions 70 are disposed between the first support portions 68 respectively, are radially prolonged from the edge of the coupling portion 66, and thus support the second resonant springs 64.
  • first resonant spring 62 its both end portions are supported at the second frame 48 and at the first support portion 68 of the spring support member 60 respectively.
  • second resonant spring 64 its both end portions are supported at the third frame 50 and at the second support portion 70 of the spring support member 60 respectively.
  • the first resonant spring 62 and the second resonant spring 64 have an overlap section (L). Since the first resonant spring 62 and the second resonant spring 64 have the overlap section (L) in an axial direction of the compressor, a length in the axial direction of the compressor can be reduced.
  • an overlap section of the first resonant spring 62 and the second resonant spring 64 can be extended more by forming the second support portion to be bent.
  • spring sheet portions 80 for supporting the first and the second resonant springs are formed at side surfaces of the first and the second support portions 68 and 70 respectively.
  • the cylinder-shaped spring sheet portions 80 are prolonged from the side surfaces of the first and the second support portions 68 and 70 and support the first and the second resonant springs 62 and 64 respectively.
  • Figure 9 shows a special spring sheet member 82 mounted to each of the first and the second support portions 68 and 70 to support the first and the second resonant springs 62 and 64.
  • the spring sheet member 82 consists of a fixing portion 84 inserted and fixed at a through hole 88 formed in each one of the first and the second resonant springs 62 and 64 by a press fit method or the like; and a sheet portion 86 prolonged from the fixing portion 84 and supporting the first and the second resonant springs 62 and 64.
  • the first and the second resonant springs 62 and 64 are formed of compression coil springs respectively, and offsetting torsion moments of each other by having an opposite winding direction.
  • first resonant spring supported at the first support portion 68 is wound counterclockwise as the arrow P
  • second resonant spring 64 disposed neighboring on the first resonant spring 62 is wound clockwise as the arrow Q.
  • the winding directions of the first resonant springs 62 disposed to face each other are different with each other, and the winding directions of the second resonant springs 64 disposed to face each other are different with each other, too.
  • a moving member 34 is linearly and reciprocally moved, and thus a piston 22 connected to the moving member 34 compresses and discharge a fluid introduced into a compression chamber while being moved linearly and reciprocally in a cylinder 34,
  • an elastic force of a second resonant spring 62 is provided to the piston 22
  • an elastic force of a first resonant spring 64 is provided to the piston 22
  • a width of the compressor can be reduced since a piston is directly fixed at the inner circumferential surface of the inner stator by a press-fit method or the like.
  • An interval in a longitudinal direction between a moving member and a piston can be minimized by positioning the piston in a moving member, whereby a concentricity of the moving member and the piston can be easily adjusted during assembling, and an attrition of the piston and the cylinder and a collision of the moving member and the outer/inner stators are prevented.
  • a length in an axial direction of the compressor can be reduced by disposing first and second resonant springs so as to overlap at a certain section. And, the plural first and second resonant springs are disposed in a circumferential direction, and their winding directions are arranged to be opposite with each other.

Abstract

Un compresseur alternatif comprend une unité de commande (16) présentant un stator extérieur (26) et un stator intérieur (28) disposés à un entrefer prédéterminé entre eux, et un élément mobile positionné entre le stator extérieur (26) et le stator intérieur (28) et déplacé de façon linéaire et en un va-et-vient; une unité de compression (18) comprenant un cylindre (38) fixé au niveau d'une surface circonférentielle intérieure du stator intérieur (28) ainsi qu'un piston (22) déplacé de façon linéaire dans le cylindre (38) du fait qu'il est connecté à l'élément mobile; une partie de support (20) portant l'unité de compression (18) et l'unité de commande (16), ainsi qu'une unité de ressort résonant positionnée (24) au niveau d'une partie arrière de l'unité de commande (16), disposé au niveau de la partie de support (20) et induisant un mouvement résonant du piston (22). Ainsi, un ressort résonant (62, 64) du compresseur peut être déplacé horizontalement et directement par réduction d'un moment de torsion du ressort résonant (62, 64), une largeur du compresseur peut être réduite et une concentricité d'une unité de commande (16) et d'une unité de compression peut être maintenue.
PCT/KR2003/002054 2003-10-06 2003-10-06 Compresseur alternatif WO2005033509A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/KR2003/002054 WO2005033509A1 (fr) 2003-10-06 2003-10-06 Compresseur alternatif
CNB2003801102962A CN100476203C (zh) 2003-10-06 2003-10-06 往复式压缩机
AU2003264998A AU2003264998A1 (en) 2003-10-06 2003-10-06 Reciprocating compressor
DE10394227T DE10394227B4 (de) 2003-10-06 2003-10-06 Kolbenverdichter
US10/551,625 US20060210411A1 (en) 2003-10-06 2003-10-06 Reciprocating compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2003/002054 WO2005033509A1 (fr) 2003-10-06 2003-10-06 Compresseur alternatif

Publications (1)

Publication Number Publication Date
WO2005033509A1 true WO2005033509A1 (fr) 2005-04-14

Family

ID=34420470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2003/002054 WO2005033509A1 (fr) 2003-10-06 2003-10-06 Compresseur alternatif

Country Status (5)

Country Link
US (1) US20060210411A1 (fr)
CN (1) CN100476203C (fr)
AU (1) AU2003264998A1 (fr)
DE (1) DE10394227B4 (fr)
WO (1) WO2005033509A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1937969A1 (fr) * 2005-10-17 2008-07-02 Lg Electronics Inc. Compresseur lineaire et support associe
US8062005B2 (en) 2005-08-17 2011-11-22 Secop Gmbh Linear compressor with spring arrangement for vibration suppression
EP2722525A3 (fr) * 2012-10-17 2015-06-24 LG Electronics, Inc. Compresseur à mouvement alternatif

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0224986D0 (en) 2002-10-28 2002-12-04 Smith & Nephew Apparatus
GB0325129D0 (en) 2003-10-28 2003-12-03 Smith & Nephew Apparatus in situ
DE602007004546D1 (de) 2006-09-28 2010-03-18 Tyco Healthcare Tragbares Wundtherapiesystem
HUE043133T2 (hu) 2007-11-21 2019-07-29 Smith & Nephew Sebkötözés
GB201015656D0 (en) 2010-09-20 2010-10-27 Smith & Nephew Pressure control apparatus
US9084845B2 (en) 2011-11-02 2015-07-21 Smith & Nephew Plc Reduced pressure therapy apparatuses and methods of using same
JP6276251B2 (ja) 2012-03-20 2018-02-07 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ デューティサイクル閾値の動的決定に基づく減圧療法システムの動作制御
US9427505B2 (en) 2012-05-15 2016-08-30 Smith & Nephew Plc Negative pressure wound therapy apparatus
JP6725527B2 (ja) 2014-12-22 2020-07-22 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 陰圧閉鎖療法の装置および方法
KR101718039B1 (ko) * 2015-05-11 2017-03-20 엘지전자 주식회사 왕복동식 압축기
KR102238332B1 (ko) 2016-04-19 2021-04-09 엘지전자 주식회사 리니어 압축기
KR102238347B1 (ko) * 2016-05-03 2021-04-09 엘지전자 주식회사 리니어 압축기
KR102238339B1 (ko) * 2016-05-03 2021-04-09 엘지전자 주식회사 리니어 압축기
CN106571730A (zh) * 2016-10-31 2017-04-19 连伟 模块化往复式永磁直线电机
CN106655702A (zh) * 2016-10-31 2017-05-10 连伟 高推力密度的双激励模块化往复式永磁直线电机
KR20210156095A (ko) * 2020-06-17 2021-12-24 엘지전자 주식회사 리니어 압축기

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010043870A1 (en) * 2000-05-18 2001-11-22 Song Gye Young Spring supporting structure of linear compressor
US20030086796A1 (en) * 2001-11-05 2003-05-08 Kyeong-Bae Park Reciprocating compressor
US20030099559A1 (en) * 2001-11-23 2003-05-29 Won-Sik Oh Reciprocating compressor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801045A (en) * 1954-10-08 1957-07-30 American Motors Corp Refrigerating apparatus
US3248044A (en) * 1964-09-28 1966-04-26 Lennox Ind Inc Refrigerant compressor lubrication arrangement
KR100386275B1 (ko) * 2001-03-28 2003-06-02 엘지전자 주식회사 왕복동식 압축기의 스프링 지지구조

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010043870A1 (en) * 2000-05-18 2001-11-22 Song Gye Young Spring supporting structure of linear compressor
US20030086796A1 (en) * 2001-11-05 2003-05-08 Kyeong-Bae Park Reciprocating compressor
US20030099559A1 (en) * 2001-11-23 2003-05-29 Won-Sik Oh Reciprocating compressor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8062005B2 (en) 2005-08-17 2011-11-22 Secop Gmbh Linear compressor with spring arrangement for vibration suppression
EP1937969A1 (fr) * 2005-10-17 2008-07-02 Lg Electronics Inc. Compresseur lineaire et support associe
EP1937969A4 (fr) * 2005-10-17 2014-05-21 Lg Electronics Inc Compresseur lineaire et support associe
EP2722525A3 (fr) * 2012-10-17 2015-06-24 LG Electronics, Inc. Compresseur à mouvement alternatif

Also Published As

Publication number Publication date
CN1771393A (zh) 2006-05-10
CN100476203C (zh) 2009-04-08
US20060210411A1 (en) 2006-09-21
AU2003264998A1 (en) 2005-04-21
DE10394227B4 (de) 2011-11-03
DE10394227T5 (de) 2006-04-06

Similar Documents

Publication Publication Date Title
US20060210411A1 (en) Reciprocating compressor
US6666662B2 (en) Stator supporting apparatus for reciprocating compressor
JP4713163B2 (ja) 往復動式圧縮機
EP1674725B1 (fr) Pompe à piston
KR100624733B1 (ko) 리니어 모터의 아우터 코어 조립구조
US6860725B2 (en) Suction gas guiding system for reciprocating compressor
KR20060081482A (ko) 리니어 압축기
US6729861B2 (en) Reciprocating compressor with support springs placed between support members for radial compactness
US7491038B2 (en) Reciprocating compressor
EP1724907B1 (fr) Moteur linéaire
US7108490B2 (en) Reciprocating compressor having anti-collision means
KR100748979B1 (ko) 리니어 모터의 고정자
JP4109250B2 (ja) 往復動式圧縮機の固定子固定装置
KR100301477B1 (ko) 진동형스프링의지지구조
KR100469457B1 (ko) 왕복동식 압축기
WO2004081406A2 (fr) Ressort helicoidal et compresseur alternatif le comprenant
KR102238360B1 (ko) 리니어 압축기
KR100527581B1 (ko) 왕복동식 압축기의 오일공급장치
KR100746429B1 (ko) 리니어 압축기의 소음저감구조
KR100451220B1 (ko) 왕복동식 압축기의 스프링 지지 장치
KR100438615B1 (ko) 왕복동식 압축기의 스프링 지지 장치
KR100792452B1 (ko) 왕복동식 압축기
KR20030032551A (ko) 왕복동식 압축기의 프레임 조립 구조
KR20050080496A (ko) 왕복동식 압축기의 완충장치
JP2005106034A (ja) リニア圧縮機

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 1877/KOLNP/2005

Country of ref document: IN

WWE Wipo information: entry into national phase

Ref document number: 10551625

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 20038B02962

Country of ref document: CN

RET De translation (de og part 6b)

Ref document number: 10394227

Country of ref document: DE

Date of ref document: 20060406

Kind code of ref document: P

WWE Wipo information: entry into national phase

Ref document number: 10394227

Country of ref document: DE

WWP Wipo information: published in national office

Ref document number: 10551625

Country of ref document: US

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8607

REG Reference to national code

Ref country code: DE

Ref legal event code: 8607