CN100476203C - Reciprocating compressor - Google Patents
Reciprocating compressor Download PDFInfo
- Publication number
- CN100476203C CN100476203C CNB2003801102962A CN200380110296A CN100476203C CN 100476203 C CN100476203 C CN 100476203C CN B2003801102962 A CNB2003801102962 A CN B2003801102962A CN 200380110296 A CN200380110296 A CN 200380110296A CN 100476203 C CN100476203 C CN 100476203C
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- resonant springs
- framework
- piston
- compressor
- spring
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
A reciprocating compressor includes a driving unit (16) having an outer stator (26) and an inner stator disposed at a predetermined air gap there between, and a moving member positioned between the outer stator (26) and the inner stator (28) and linearly and reciprocally moved; a compression unit (18) having a cylinder (38) fixed at an inner circumferential surface of the inner stator (28) and a piston (22) linearly moved in the cylinder (38) by being connected to the moving member; a support portion (20) supporting the compression unit (18) and the driving unit (16); and a resonant spring unit positioned (24) at a rear portion of the driving unit (16), disposed at the support portion (20), and inducing a resonant movement of the piston (22). Therefore, a resonant spring (62,64) of the compressor can be moved horizontally and straight forwardly by reducing a torsion moment of the resonant spring (62,64), a width of the compressor can be reduced, and a concentricity of a driving unit (16) and a compression unit can be maintained.
Description
Technical field
Invention relates to a kind of reciprocal compressor, and relates in particular to a kind of compact dimensions and have the Reciprocating engine that improves performance.
Background technique
Fig. 1 is the cross section view of demonstration according to the reciprocal compressor of an example of conventional art.
Traditional reciprocal compressor comprises the housing of a sealing, and a suction pipe 102 and a discharge pipe 104 are connected on institute's housing; A driver element 108, described driver element 108 are arranged in the housing 105 and produce to-and-fro motion power; A compression unit 110, described compression unit are passed to to-and-fro motion power and the compressed fluid that driver element 108 produces; The supporting portion 112 of support drive unit 108 and compression unit 110.
Cause that piston 124 does the resonant springs unit 146 of harmonic moving and comprise first resonant springs 148 between the side surface that is placed in the joint 152 between first framework and mobile member 122 and the piston 124, when piston 124 was mobile backward, described first resonant springs provided elastic force to piston 124; One is placed in another side surface of joint 152 and second resonant springs, 150, the second resonant springs 150 between the 3rd framework 144 provide elastic force so that compressed fluid to piston 124 when piston 124 moves forward.
Here, first resonant springs 148 and second resonant springs 150 are made of compression helical spring.First resonant springs 148 has than cylinder 130 outer straight big diameters and is positioned on the external peripheral surface of cylinder 130, and second resonant springs 150 is positioned at the rear portion of compression unit 110.
In traditional reciprocal compressor, when to winding coil 114 power supplies, between external stator 115 and inner stator, produce magnetic flux, and thereby, magnet 120 and mobile member 122 are made linear reciprocating motion.When the piston 124 that is connected with mobile member 122 during at 130 li linear reciprocating motions of cylinder, fluid is compressed.
At this moment, when piston 124 travelled forward with compressed fluid, the elastic force of second resonant springs 150 offered piston 124; When mobile backward, the elastic force of first resonant springs 148 offers piston 124.
Yet in traditional reciprocal compressor, first resonant springs 148 is placed in the space between the inner peripheral surface of the outer peripheral surface of cylinder 130 and inner stator 118.Therefore, the width of compressor should be bigger, because the space that should obtain to be scheduled to is to be placed in first resonant springs 148 between the external peripheral surface and inner stator 118 of cylinder 130.
Also have, because first and second springs 148 and 150 are made of the compression helical spring that can produce moment of torsion, and be placed in the both sides of the linkage unit 152 between mobile member 122 and the piston respectively, so when first and second springs 148 and 150 repeated compression and stretching, extension, produced moment of torsion.Because this reason, piston 124 is difficult to keep its linear motion, so the mis-behave of motor.
Fig. 2 is the cross section view of the reciprocal compressor that shows that another example according to conventional art is used to address these problems.
In Reciprocating engine shown in Figure 2, compression unit 110 is placed in the anterior of housing 106 and is fixed on first framework 162, and driver element 108 is placed in the rear portion of housing 106 and be fixed on the second and the 3rd framework 164 and 166.The mobile member 122 of driver element 108 and piston 124 usefulness machinery types couple together, and the spring supporting member is placed in the joint portion place of mobile member 122 and piston 124.
Also have, a plurality of first resonant springs 172 are placed between the front surface of the first circle frame 162 and spring supporting member 176 with predetermined interval in a circumferential direction.A plurality of second resonant springs 174 are placed between the rear surface and second framework of spring supporting member 176 with predetermined interval in a circumferential direction.
In this reciprocal compressor, because driver element 108 and compression unit 110 are placed in the front and rear of housing 106 respectively, and first resonant springs 172 and second resonant springs 174 are placed in the outer circumference portion office of compression unit 110, so the width of compressor 110 can be reduced.Also have,, can be reduced by spring compression and the moment of torsion that causes of stretching, extension repeatedly because a plurality of first and second resonant springs 172 and 174 along the circumferential direction settle.
Yet, in reciprocal compressor, produce the driver element 108 of the power that moves back and forth and reception is placed in compressor with predetermined interval from the compression unit 110 of the locomotivity of driver element 108 front and rear according to this conventional art.Therefore, be difficult to adjust driver element 109 and compression unit 110 with one heart, thereby and cause the reduction of assembly quality.
That is to say, though the interior and external stator 116 of driver element 108 and 118 adjust with one heart, also must the adjusting again with one heart of the piston 124 of driver element 108 and compression unit 110, and therefore caused the difficulty of assembling.
In addition, because driver element 108 and compression unit 110 are placed in the front and rear of housing 106 respectively, so even the skew slightly in the running of compressor with one heart of mobile member 122, serious departing from also can take place in the concentric of piston 124.This causes cylinder and 130 and the collision of piston 124, and therefore, the mis-behave of compressor.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of twin compressor, can make resonant springs flatly and point-blank move forward, reduce the width of compressor by the moment of torsion that reduces resonant springs and keep driver element and compression unit with one heart.
In order to achieve the above object, provide a kind of reciprocal compressor, comprised driver element, driver element has external stator and the inner stator that is provided with the predetermined space gap therebetween; One is placed between described external stator and the described inner stator and mobile member that linear reciprocation moves; A cylinder that is fixed on described inner stator inner circumferential surface; One is connected with described mobile member and at the reciprocating compression unit of described cylinder neutral line; A support unit that supports compression unit and driver element; One is positioned at the driver element rear portion, is placed on the supporting portion and causes the resonant springs of the harmonic moving of piston.
Cylinder is fixed on the inner circumferential surface of inner stator by the method for pressure fitted.
Support unit comprises first framework, a side surface of the outer peripheral surface of the described first frame supported cylinder, external stator and a side surface of inner stator; Support second framework of another side surface of external stator; The 3rd framework that is connected and installs the resonant springs unit with second framework.
The resonant springs unit comprises a spring supporting member that is assemblied in the position that piston is connected with mobile member; First resonant springs between a plurality of side surfaces that are placed in second framework and spring supporting member; Second resonant springs between a plurality of another side surfaces that are placed in the 3rd framework and spring supporting member.Described a plurality of first and second resonant springs are arranged on circumferencial direction, and their coiling direction is set to opposite each other.
The spring supporting member comprises a joint, and described joint is connected with the position that mobile member is connected with piston, and is placed in the rear portion of piston; One first supporting portion, first resonant springs are supported on described first supporting portion, and described first supporting portion extends out with the edge of predetermined interval from joint at circumferencial direction; One second supporting portion, second resonant springs are supported on described second supporting portion, and described second supporting portion is placed between first supporting portion.
Description of drawings
Fig. 1 is the cross section view of demonstration according to the reciprocal compressor of an example of conventional art.
Fig. 2 is the cross section view of demonstration according to the reciprocal compressor of another example of conventional art.
Fig. 3 is the cross section view that shows according to the reciprocal compressor that shows one embodiment of the invention.
Fig. 4 is a cross section view, shows the state that the inner stator according to reciprocal compressor of the present invention is connected with oil cylinder.
Fig. 5 is the cross section view of the V-V line intercepting in Fig. 4.
Fig. 6 is the perspective view that shows the resonant springs unit of reciprocal compressor of the present invention.
Fig. 7 is the side view of arrangement states that shows the resonant springs of reciprocal compressor of the present invention.
Fig. 8 and Fig. 9 are the partial cross sectional views that shows the stationary state of resonant springs of the present invention.
Figure 10 and Figure 11 are the front elevations of coiling direction that shows the resonant springs of reciprocal compressor of the present invention.
Embodiment
Now the first embodiment of the present invention will be described in conjunction with the accompanying drawings.
Reciprocal compressor of the present invention can have a plurality of embodiments, will describe a preferred embodiment now.
Fig. 3 is the cross section view according to reciprocal compressor of the present invention.
Reciprocal compressor of the present invention comprises a housing 14, and suction pipe 10 and discharge pipe 12 are connected on the housing 14; A driver element 16 that is arranged in the housing 14 and produces to-and-fro motion power; One is placed in the driver element 16 and the compression unit 18 of compressed fluid by the to-and-fro motion power that is transmitted driver element 16; The support unit 20 of support drive unit 16 and compression unit 18; A resonant springs assembly 24 that is installed on the support unit 20 and the harmonic moving that elastic force causes piston 22 is provided by the piston 22 to compression unit 18.
Here, as shown in Figure 4 and Figure 5, cylinder 38 is fixed on the inner peripheral surface of inner stator 28 by press fit or similar approach.That is to say because cylinder directly is fixed on the inner peripheral surface of inner stator 28, therefore between them without any the gap, so the width of compressor is reduced.
On first framework 46, the external peripheral surface of cylinder 38 is supported on the inner peripheral surface of first framework 46 by press fit or similar approach; A side surface of inner stator 28 is supported on the inner frame face of first framework; And a side surface of external stator 26 is supported on the outer surface of first framework.
On second framework 48, another table lateral support of external stator 26 is on a side surface of second framework 48.The 3rd framework 50 is fixed on the outer surface of second framework, and the outer surface of second framework is supporting the spring of resonant springs unit 24.
In columnar the 3rd framework 50, its end is fixed on second framework 48, and extends certain length to the rear portion of housing 14.The other end at the 3rd framework 50 is formed with a fluid passage, enter inlet 10 fluid this passage of flowing through, and the spring of resonant springs unit 24 is supported on its internal surface.
As shown in Figure 6, resonant springs unit 24 comprises a spring supporting member 60 that is assemblied in the position that piston 22 is connected with mobile member 34; Be arranged on first resonant springs 62 that elastic force is provided to piston 22 between 60 1 side surfaces of second framework 48 and spring supporting member, when piston is mobile backward; Be arranged on second resonant springs 64 between the opposite side surface of the internal surface of the 3rd framework 50 and spring supporting member 60, that elastic force is provided to piston 22 when piston 22 moves forward.
Here, spring supporting member 60 comprises a joint 66, and described connection part is in the rear portion of piston 22 and be fixed on the position that mobile member 34 is connected with piston 22; Along the circumferential direction stretch out with the edge of predetermined interval from joint 66 a plurality of first supporting portions 68, and support first resonant springs 62; Be arranged between first supporting portion 68 and support second supporting portion 70 of second resonant springs 64.
The passage 72 that the joint 66 of dish type has a fluid to pass through at its core.First supporting portion 68 certain distance that extends back from the edge of joint 66, and in its end outwards bending so that settle first resonant springs 62.Circumferencial direction along joint 66 forms a plurality of first supporting portions 68 in the predetermined interval place.
Second supporting portion 70 is placed in respectively between first supporting portion 68, and extends radially out from the edge of joint 66, thereby is used for supporting second resonant springs 64.
For first resonant springs 62, its two ends are supported on respectively on first supporting portion 68 of second framework 48 and spring supporting member 60.For second resonant springs 64, its two ends are supported on respectively on second supporting portion 70 of the 3rd framework 50 and spring supporting member 60.As shown in Figure 7, because said structure, when watching compressor from the side, first resonant springs 62 and second resonant springs 64 have a lap (L).Since first resonant springs 62 and second resonant springs, 64 compressors axially on have lap (L), the axial length of compressor is reduced.
In the different instances of spring supporting member 60, by forming second supporting portion bendingly, the lap of first resonant springs 62 and second resonant springs 64 can prolong more.
Shown in Figure 8, on the side surface of first and second supporting portions 68 and 70, be formed with the spring stake portion 80 that supports first and second resonant springs respectively.Columnar spring stake portion 80 side surfaces from first and second supporting portions 68 and 70 stretch out, and support first and second resonant springs 62 and 64 respectively.
Fig. 9 shows a kind of special spring pile element 82 that is assemblied on first and second supporting portions 68 and 70, is used for supporting first and second resonant springs 62 and 64.Spring pile element 82 comprises a fixing part 84, and described fixing part 84 is inserted into and is fixed on by pressure fitted or other similar approach and is formed in the through hole 88 of first and second supporting portions on each; And the stake portion 86 of extend out by fixing part 84 and support first and second resonant springs 62 and 64.
First and second resonant springs 62 and 64 are made of compression helical spring respectively, and offset each other moment of torsion by having opposite coiling direction.As shown in figure 10, that is to say, if be supported on first resonant springs such counterclockwise coiling shown in arrow P on first supporting portion 68, so with second resonant springs 64 such clockwise coiling shown in arrow Q of first resonant springs, 62 positioned adjacent.
As shown in figure 11, the coiling direction of facing first resonant springs 62 that is provided with mutually differs from one another, and the mutual coiling direction of facing second resonant springs 64 that is provided with also differs from one another.That is to say that if one first resonant springs 62 is reeled with the direction of arrow S, another first adjacent resonant springs 62 is reeled with the direction of arrow T so.Equally, if one second resonant springs 64 is reeled with the direction of arrow T, another second adjacent resonant springs 64 is reeled with the direction of arrow S so.
The operation and the effect of reciprocal compressor are described now.
When to winding coil 30 power supplies, between external stator 26 and inner stator 28, form magnetic flux.By this magnetic flux, mobile member 34 is done linearity and to-and-fro motion, thereby compression and discharge were introduced into the fluid of compression chamber when the piston 22 that links to each other with mobile member 34 was done linear reciprocating motion in cylinder 34.
At this moment, when piston 22 moved forward with compressed fluid, the elastic force of second resonant springs 62 offered piston 22; And when piston 22 was mobile backward, the elastic force of first resonant springs 64 offered piston 22.
In reciprocal compressor of the present invention, because on the interior weekly form that the mode or the similar fashion of cylinder by pressure fitted directly is fixed on inner stator, the width of compressor can be reduced.
By piston is placed on the mobile member, longitudinal separation between mobile member and the piston is minimized, in assembly process, the concentricity of mobile member and piston be can easily adjust thus, and the wearing and tearing of piston and cylinder and the collision of mobile member and outer/inner stator prevented.
By first and second resonant springs are set they are overlapped a certain, can reduce the axial length of compressor.
And, at circumferencial direction a plurality of first and second resonant springs being set, the coiling direction of first and second resonant springs is arranged to opposite each other.Therefore, owing to prevented the compression of each resonant springs and issuable moment of torsion when upholding, reversing with the wearing and tearing of the each several part that contact with each resonant springs of piston reduced, and so the unfailing performance of compressor be improved.
It will be apparent to those skilled in the art that under the situation of not leaving essence of the present invention or scope and can make multiple modification and change the present invention.Therefore, can be contemplated that if to modification of the present invention and change at appended claim and being equivalent in the scope of claim, content of the present invention has covered modification of the present invention and change.
Claims (14)
1. reciprocal compressor comprises:
Driver element, described driver element have external stator and the inner stator that is provided with predetermined air clearance therebetween; And be arranged between described external stator and the inner stator and the linear mobile member that moves back and forth;
Compression unit, described compression unit has the cylinder on the inner peripheral surface that is fixed on inner stator, with the piston that is connected with described mobile member and moves in described cylinder internal linear;
Support the support unit of compression unit and driver element; And
Be arranged on the driver element rear portion, be installed on the support unit and cause the resonant springs unit of the harmonic moving of piston,
Wherein, described support unit comprises:
Support first framework of a side surface of side surface of the outer surface of described cylinder, described external stator and described inner stator;
Support second framework of another side surface of described external stator; And
The 3rd framework that is connected and installs described resonant springs unit with second framework,
Wherein, described resonant springs unit comprises:
Be installed in the spring supporting member at piston and mobile member connection part place;
Be arranged on a plurality of first resonant springs between side surface of second framework and spring supporting member; And
Be arranged on a plurality of second resonant springs between another side surface of the 3rd framework and spring supporting member,
Wherein, described a plurality of first and second resonant springs are arranged on circumferencial direction, and their coiling direction is set to opposite each other.
2. as claim 1 described compressor, wherein, described cylinder is fixed on the inner peripheral surface of inner stator by press fit;
3. as compressor as described in the claim 1; Wherein, in described first framework, the outer circumferential face of described cylinder is fixed on by press fit on the inner peripheral surface of first framework, and a side surface of described inner stator is supported on the inner surface of first framework, and a side surface of external stator is supported on the outer surface of first framework;
4. as claim 1 described compressor, wherein, described each first resonant springs edge is circumferentially with arranged at predetermined intervals, and each second resonant springs is arranged between first resonant springs;
5. as claim 1 described compressor, wherein, described first resonant springs and second resonant springs are arranged to axially overlapping with predetermined part along compressor;
6. as claim 1 described compressor, wherein, described first and second resonant springs are arranged to be parallel to the axial of compressor;
7. compressor as claimed in claim 1, wherein, described first and second resonant springs are made of compression helical spring, and first and second resonant springs are installed in and make the end of spring, the center of spring and the central row of piston be listed on the straight line on the spring supporting member;
8. as claim 1 described compressor, wherein, described spring supporting member comprises:
Be connected with the connection part of mobile member and piston and be positioned at the joint at piston rear portion;
Along first supporting portion of circumferentially stretching out and support first resonant springs from the edge of joint with predetermined interval; And
Be arranged between first supporting portion and support second supporting portion of second resonant springs.
9. as claim 8 described compressors, wherein, the described plate-like joint heart therein partly has a passage that supplies fluid to pass through, and is fixed on the connection part place of piston and mobile member.
10. as claim 8 described compressors, wherein, described first supporting portion extends back from the edge bending of joint, and so shaping makes its end be folded to the outside of joint to support first resonant springs.
11. as claim 8 described compressors, wherein, described second supporting portion extends radially out with predetermined interval from the edge of joint.
12. as claim 8 described compressors, wherein, described first supporting portion and second supporting portion circumferentially alternately form along joint.
13. as claim 8 described compressors, wherein, the described spring stake portion that is used for fixing first and second resonant springs is formed on respectively on first and second supporting portions;
14. compressor as claimed in claim 13, wherein, described spring stake portion form respectively from the respective side of first and second supporting portions stretch out cylindrical, and spring stake portion is formed with a hole respectively thereon.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2003/002054 WO2005033509A1 (en) | 2003-10-06 | 2003-10-06 | Reciprocating compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1771393A CN1771393A (en) | 2006-05-10 |
| CN100476203C true CN100476203C (en) | 2009-04-08 |
Family
ID=34420470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801102962A Expired - Fee Related CN100476203C (en) | 2003-10-06 | 2003-10-06 | Reciprocating compressor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060210411A1 (en) |
| CN (1) | CN100476203C (en) |
| AU (1) | AU2003264998A1 (en) |
| DE (1) | DE10394227B4 (en) |
| WO (1) | WO2005033509A1 (en) |
Families Citing this family (19)
| 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 |
| DE102005038780B4 (en) | 2005-08-17 | 2012-11-15 | Secop Gmbh | Linear compressor, in particular refrigerant compressor |
| KR100707472B1 (en) * | 2005-10-17 | 2007-04-13 | 엘지전자 주식회사 | Linear compressor and the spring support for the same |
| CA2872297C (en) | 2006-09-28 | 2016-10-11 | Smith & Nephew, Inc. | Portable wound therapy system |
| CN101868203B (en) | 2007-11-21 | 2014-10-22 | 史密夫及内修公开有限公司 | Wound dressing |
| 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 (en) | 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 | Operation control of decompression therapy system based on dynamic determination of duty cycle threshold |
| US9427505B2 (en) | 2012-05-15 | 2016-08-30 | Smith & Nephew Plc | Negative pressure wound therapy apparatus |
| KR101495188B1 (en) * | 2012-10-17 | 2015-02-24 | 엘지전자 주식회사 | Reciprocating compressor |
| WO2016103032A1 (en) | 2014-12-22 | 2016-06-30 | Smith & Nephew Plc | Negative pressure wound therapy apparatus and methods |
| KR101718039B1 (en) * | 2015-05-11 | 2017-03-20 | 엘지전자 주식회사 | Reciprocating compressor |
| KR102238332B1 (en) * | 2016-04-19 | 2021-04-09 | 엘지전자 주식회사 | Linear compressor |
| KR102238339B1 (en) * | 2016-05-03 | 2021-04-09 | 엘지전자 주식회사 | linear compressor |
| KR102238347B1 (en) * | 2016-05-03 | 2021-04-09 | 엘지전자 주식회사 | Linear compressor |
| CN106655702A (en) * | 2016-10-31 | 2017-05-10 | 连伟 | Dual-excitation modular reciprocating permanent-magnet linear motor with high thrust density |
| CN106571730A (en) * | 2016-10-31 | 2017-04-19 | 连伟 | Modular reciprocating type permanent magnet linear motor |
| KR20210156095A (en) * | 2020-06-17 | 2021-12-24 | 엘지전자 주식회사 | Linear compressor |
Family Cites Families (6)
| 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 |
| KR100332816B1 (en) * | 2000-05-18 | 2002-04-19 | 구자홍 | Structure for supporting spring of linear compressor |
| KR100386275B1 (en) * | 2001-03-28 | 2003-06-02 | 엘지전자 주식회사 | Structure for supporting spring of reciprocating compressor |
| KR100442386B1 (en) * | 2001-11-05 | 2004-07-30 | 엘지전자 주식회사 | Reciprocating compressor |
| KR100442389B1 (en) * | 2001-11-23 | 2004-07-30 | 엘지전자 주식회사 | Reciprocating compressor |
-
2003
- 2003-10-06 AU AU2003264998A patent/AU2003264998A1/en not_active Abandoned
- 2003-10-06 DE DE10394227T patent/DE10394227B4/en not_active Expired - Lifetime
- 2003-10-06 WO PCT/KR2003/002054 patent/WO2005033509A1/en active Application Filing
- 2003-10-06 US US10/551,625 patent/US20060210411A1/en not_active Abandoned
- 2003-10-06 CN CNB2003801102962A patent/CN100476203C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE10394227B4 (en) | 2011-11-03 |
| US20060210411A1 (en) | 2006-09-21 |
| CN1771393A (en) | 2006-05-10 |
| AU2003264998A1 (en) | 2005-04-21 |
| WO2005033509A1 (en) | 2005-04-14 |
| DE10394227T5 (en) | 2006-04-06 |
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Granted publication date: 20090408 |