CN101498319A - Viarable diffuser of compressor - Google Patents
Viarable diffuser of compressor Download PDFInfo
- Publication number
- CN101498319A CN101498319A CNA2008101855730A CN200810185573A CN101498319A CN 101498319 A CN101498319 A CN 101498319A CN A2008101855730 A CNA2008101855730 A CN A2008101855730A CN 200810185573 A CN200810185573 A CN 200810185573A CN 101498319 A CN101498319 A CN 101498319A
- Authority
- CN
- China
- Prior art keywords
- diffuser
- ring
- rotating ring
- protuberance
- compressor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a diffuser arranged in a compressor as a construction element of a refrigerator, which aims to provide a variable diffuser of the compressor. By simplification of a structure of a regulating mechanism making a diffuser ring as a construction element of the diffuser move axially, the compressor and the refrigerator are miniaturize.Abrasion caused by movement of the diffuser is minimized to improve durability and it is convenient for maintenance. The variable diffuser of the compressor includes a shaft that moves linearly in a direction vertical to a main shaft driven by a motor so that a gap between an impeller fixed on the main shaft and a housing surrounding the impeller changes; a rotary ring surrounding the mains shaft and in hinge joint with the shaft as well as rotating via linear movement of the shaft to form at least a bump on an inner peripheral surface; a diffuser ring located in the rotary ring and provided with an inclined trough that locks bump on the outer peripheral surface as well as propelling the bump by rotation of the rotary ring to move back and forth in a long shaft direction of the main shaft.
Description
Technical field
The present invention relates to a kind of Diffuser (diffuser) that in compressor, is provided with as a constituting component of refrigerating machine, relate in particular to a kind of Viarable diffuser of compressor of following formation, it makes as the Diffuser ring of a constituting component of the Diffuser structure at axially movable controlling mechanism by simplification, thereby can make compressor and refrigerating machine miniaturization, and, the minimise wear that causes by the action that makes by Diffuser, thus improve durability, and safeguard convenient.
Background technique
Fig. 1 in the accompanying drawing is the schematic representation of the compressor section of expression refrigerating machine, and Fig. 2 is the side sectional view of the Diffuser of expression prior art.In addition, Fig. 3 is the plan view of the action relationships of expression Diffuser shown in Figure 2, and Fig. 4 is the schematic representation that expression protuberance card ends the state in the tipper on being formed at Diffuser ring shown in Figure 3.
Fig. 1 represents the internal structure of the compressor 17 of refrigerating machine, the reference character 25 expression shells of Fig. 1, reference character 26 expression main shafts, reference character 27 expression first order Diffuser portions, reference character 28 expression second level Diffuser portions, reference character 29 represents to turn back curved part, reference character 31 expression stators (guide vane), reference character 32 expression suction ports, reference character 33 expression exhaust ports.
As shown in Figure 1, first order Diffuser portion 27 comprises the vane diffuser with a plurality of blade 27a, and described a plurality of blade 27a equally spaced are separately configured on the peripheral part of first order impeller (impeller) 17a.28 combinations are provided with Diffuser 34 and vane diffuser 35 in second level Diffuser portion.Diffuser 34 does not have the blade that disposes with concentric circles on the periphery of second level impeller 17b, vane diffuser 35 has a plurality of blade 35a on the periphery that equally spaced is separately configured in Diffuser 34.In addition, be provided with the gear mechanism 36 that is used to transmit from the driving force of motor 22.
So first order impeller 17a in the compressor 17 that constitutes and second level impeller 17b are fixed on the main shaft 26 and by motor 22 and rotate, and making the gas coolant that attracts from suction port 32 compress (pressure is increased) afterwards, discharge from exhaust port 33.
The gas coolant that attracts from suction port 32 by the rotation of first order impeller 17a is because of the action of first order impeller 17a, and speed and pressure are increased.Then, described gas coolant reduces at the process medium velocity by first order Diffuser portion 27, and kinetic energy is converted to interior energy.After this, gas coolant is directed in the inlet of second level impeller 17b after being depressurized by turn back curved part 29 and stator 31 successively.The gas coolant that attracts because of the rotation of second level impeller 17b carries out same operation by the second level impeller 17b time, thereby further be depressurized, further be lowered at process medium velocity by second level Diffuser portion 28, after the energy, gas coolant is discharged from exhaust port 33 in kinetic energy is converted to.
On the other hand, a wall section 34a who constitutes Diffuser 34 in compressor 17 forms and freely contacts with another wall 34b or separate, thus the efficient that can regulate Diffuser 34.Therefore, when this textural association is arrived the vane diffuser 35 in next stage,, also can reach best diffuser efficiency even the inhalation flow of fluid changes.
Fig. 2 and Fig. 3 are the figure of the controlling mechanism of disclosed Diffuser 34 that is illustrated in Republic of Korea's patent number of registration in No. 0423618 (denomination of invention: turbocompressor and refrigerating machine).Reference character 37 expression Diffuser rings among this figure, reference character 38 expression axles (shaft), reference character 39 expression drive portions.In addition, one side of Diffuser ring 37 constitutes wall section 34a, and Diffuser ring 37 is so that the mode that this wall section 34a exposes in path is assembled in the shell 25, and in addition, Diffuser ring 37 is can rotate freely at circumferencial direction and supported in the mode that vertically can move freely of main shaft 26.
As shown in Figure 4, on the outer circumferential face of Diffuser ring 37, the groove 37a that tilts with respect to the long axis direction of main shaft 26 is formed on 3 positions with uniform interval along circumference.In addition, on shell 25, be provided with protuberance 40 with corresponding 3 positions of groove 37a, card ended in groove 37a when this protuberance 40 was assembled as mentioned above like that at Diffuser ring 37.In order to suppress the rubbing contact with groove 37a, each protuberance 40 is provided with bearing (bearing).
Be connected in axle 38 via carriage (bracket) 41 on Diffuser ring 37, described carriage 41 is installed on the Diffuser ring and projects to the outside.Carriage 41 is connected with axle 38 by hinge (hinge), and spools 38 move back and forth at long axis direction by drive portion 39.
In the controlling mechanism of Diffuser 34, if at long axis direction live axle 38, then the straight line motion of axle 38 is converted to rotatablely moving of Diffuser ring 37, thereby Diffuser ring 37 rotates along circumferencial direction.At this moment, end protuberance 40 in groove 37a along groove 37a guiding Diffuser ring 37 at card, still, because groove 37a is formed obliquely with respect to the long axis direction of main shaft 26, so Diffuser ring 37 not only rotates at circumferencial direction, and move along the long axis direction of main shaft 26.Therefore, if axle 38 moves to a direction, then Diffuser ring 37 is along the circumferencial direction rotation, and to path one side shifting, thereby wall 34a and another wall 34b are approaching.In addition, if to another direction live axle 38, then Diffuser ring 37 is to moving in the other direction, and wall 34a leaves and turns back to original position from another wall 34b.
But disclosed Diffuser in No. the 0423618th, Republic of Korea's patent number of registration moves on long axis direction by making axle, while make Diffuser ring rotate in axial advancement or retreat.That is, owing to be rotated motion and straight line motion simultaneously, so violent wearing and tearing take place in Diffuser ring in power transmission process.In addition, owing to must become complicated so connect the structure of the carriage of Diffuser ring and axle by the rotatablely moving and straight line motion the moving of long axis direction of passing shaft simultaneously of Diffuser ring.Promptly, for carriage moves freely at both direction, connect two positions by hinge, but owing to connect two positions by hinge like this, so at carriage when any one direction moves, apply irrational stress repeatedly and cause fatigue easily to the hinge that any another direction moves being used for, have the situation of damaging this hinge thus.
In addition, disclosed Diffuser in No. the 0423618th, Republic of Korea's patent number of registration, the groove that Diffuser ring is installed forms on shell, when the wearing and tearing of as above explanation take place, need safeguard after decomposing the big and heavy shell of size thus.Thus, there are a lot of staff of these maintenance needs, and the shortcoming of expensive time.
Summary of the invention
The present invention proposes for the prior art problems point that solves above explanation, its purpose is to provide a kind of Viarable diffuser of compressor, it is to be provided with rotating ring between axle and Diffuser ring, make Diffuser ring only carry out axial straight line motion, rotating ring only is rotated the mode of motion and simplifies its structure, thereby makes maintenance easily simple in structure thus.
The technical characteristics of the Viarable diffuser of the compressor of the present invention that is used to achieve the above object is, comprise: axle, it carries out straight line and moves on the direction vertical with main shaft by the driving of motor, so that at impeller fixing on the described main shaft with surround interval variation between the shell of this impeller; Rotating ring, it surrounds described main shaft, be connected through the hinge on described axle, and the straight line by described axle moves and is rotated; Diffuser ring, it is positioned at the inboard of described rotating ring; Any face at the outer circumferential face of the inner peripheral surface of mutually relative described rotating ring and Diffuser ring forms at least one protuberance, be formed for the tipper that card ends described protuberance at another face, rotation by described rotating ring promotes described protuberance, thereby Diffuser ring moves forward and backward on the long axis direction of described main shaft.
In addition, the technical characteristics of the Viarable diffuser of compressor of the present invention is, comprise: axle, it carries out straight line and moves on the direction vertical with main shaft by the driving of motor, so that at impeller fixing on the described main shaft with surround interval variation between the shell of this impeller; Rotating ring, it surrounds described main shaft, and is connected through the hinge on described axle, and the straight line by described axle moves and be rotated, and is formed with at least one protuberance at inner peripheral surface; Diffuser ring, it is positioned at the inboard of described rotating ring, is formed with at outer circumferential face to be used to the tipper that card ends described protuberance, and the rotation by described rotating ring promotes described protuberance, thereby moves forward and backward on the long axis direction of described main shaft.
In addition, according to one embodiment of the present invention, be formed with protrusion tab at the outer circumferential face of described rotating ring, this protrusion tab is connected in described axle by described hinge.
Another mode of execution according to the present invention, the direction that moves forward and backward along described Diffuser ring on described shell is formed with a plurality of guide finge, is formed with a plurality of bullports along circumferencial direction on described Diffuser ring, and described guide finge is inserted into respectively in the described bullport.
Another mode of execution according to the present invention is equipped with bearing at described protuberance.
Another mode of execution according to the present invention, described tipper comprises that being used to card ends the opening portion of described protuberance and the rake that the circumferencial direction from described opening portion along described Diffuser ring is formed slopely, when described Diffuser ring is inserted into described rotating ring inboard, insert described protuberance from described opening portion, rotation by described rotating ring, described protuberance moves along described rake on one side, Yi Bian described Diffuser ring is moved up in front and back.
As described above such, in the Viarable diffuser of compressor of the present invention, rotating ring is rotated motion by the straight line motion of axle, Diffuser ring advances or retreats mobile at axle direction, compare with the existing wearing and tearing that cause by the rotation of Diffuser ring and straight line motion like that thus, wearing and tearing reduce relatively, thereby improve durability.
In addition, in the Viarable diffuser of compressor of the present invention, be independent of shell and constitute rotating ring, rotating ring is rotated motion, makes Diffuser ring advance or retreats, and simplifies the structure of the carriage of coupling shaft and rotating ring thus.In addition, when safeguarding, only rotating ring and Diffuser ring are safeguarded owing to need not unload lower casing to get final product, so upkeep operation becomes easy.
Description of drawings
Fig. 1 is the schematic representation of the compressor section of expression refrigerating machine.
Fig. 2 is the side sectional view of the Diffuser of expression prior art.
Fig. 3 is the plan view of the action relationships of expression Diffuser shown in Figure 2.
Fig. 4 is the schematic representation that expression protuberance card ends the state in the tipper on being formed at Diffuser ring shown in Figure 3.
Fig. 5 A is the stereogram of Viarable diffuser of the compressor of expression an embodiment of the invention.
Fig. 5 B is the sectional view of the Viarable diffuser shown in the presentation graphs 5A.
Fig. 6 is the exploded perspective view of the Viarable diffuser shown in Fig. 5 A and Fig. 5 B.
Fig. 7 is the schematic representation of the action relationships of expression Viarable diffuser shown in Figure 6.
Fig. 8 is the expression Diffuser ring shown in Figure 7 schematic representation of the relation that moves of direction forwards, backwards.
Embodiment
Below, be described in detail with reference to the preferred implementation of accompanying drawing the Viarable diffuser of compressor of the present invention.
Fig. 5 A in the accompanying drawing is the stereogram of Viarable diffuser of the compressor of expression an embodiment of the invention, Fig. 5 B is the sectional view of the Viarable diffuser shown in the presentation graphs 5A, Fig. 6 is the exploded perspective view of the Viarable diffuser shown in Fig. 5 A and Fig. 5 B, Fig. 7 is the schematic representation of the action relationships of expression Viarable diffuser shown in Figure 6, Fig. 8 be expression Diffuser ring shown in Figure 7 forwards, backwards direction move the schematic representation of relation.
Shown in Fig. 5 A and Fig. 5 B, on shell 110, Viarable diffuser 200 is installed on the position relative with impeller 17b, is formed with mesopore at the center of shell 110, and is logical so that main shaft 26 is inserted.
Below, the Viarable diffuser of the compressor that as above constitutes is specifically described.
To shown in Figure 6, the radius of curvature in the outside of the mesopore of shell 110 with regulation forms curved part, so that corresponding with the curved part of impeller 17b, forms end difference 113 in the outside of described curved part 111, so that Viarable diffuser 200 can be installed as Fig. 5 A.
In addition, on the bottom surface of described end difference 113, form guide finge 115, be described in the back, but this guide finge is so that the pin of the mode channeling conduct that Diffuser ring 230 can move at fore-and-aft direction about this guide finge 115 towards the direction of described main shaft 26.Preferred such guide finge 115 is a plurality of uniformly-spaced to be formed with along the circumference of curved part 111.
On the other hand, rotating ring 220 is positioned at the outside of a plurality of guide finge 115 that form along the circumference of curved part 111.The cast formula that described rotating ring 220 is ring-types forms protrusion tab 221 outwardly on a position in the outside.Described protrusion tab 221 is connected the end of carrying out the axle 210 that straight line moves by motor 211 by hinge 213.
Described axle 210 is vertical with the main shaft 26 of inserting logical shell 110, carries out straight line by motor 211 and moves.The mechanical device that carries out the axle 210 that straight line moves by described motor 211 exists a variety of.If enumerate several examples wherein, then can use line motor, perhaps can constitute axle by tooth bar with by the small gear that motor is rotated.In addition, on axle, form worm tooth, make the nut rotation that is screwed on the worm tooth, also can make axle carry out straight line thus and move by motor.In addition, can also realize various mechanical devices, but so long as make axle carry out the mechanical device that straight line moves to get final product, can adopt any way.
In the end of so carrying out the axle 210 that straight line moves, connect described protrusion tab 221 by hinge 213, this hinge 213 switches to rotatablely moving of rotating ring 220 with the straight line motion of axle 210.
On the other hand, at the inner peripheral surface of rotating ring 220, promptly on the face relative, form a plurality of protuberances 223 with the outer circumferential face of the Diffuser ring 230 of the inboard that is positioned at rotating ring 220.In addition, at described protuberance 223 rolling bearing 225 is installed.
In addition, outer circumferential face at described Diffuser ring 230 is formed with the tipper 231 that is used to insert described protuberance 223, as shown in Figure 6, tipper 231 comprises the opening portion 231o that is used to insert protuberance 223 and the rake 231s that tilts along the outer circumferential face of Diffuser ring 230.Described tipper 231 is corresponding with the protuberance 223 that is formed at rotating ring 220, and when Diffuser ring 230 was inserted into rotating ring 220 inboard, protuberance 223 entered the depths of tipper 231 from the opening portion 231o of tipper 231.The guide finge 115 that forms on shell 110 is inserted respectively in the bullport 233, and described bullport 233 connects to another side from the one side of Diffuser ring 230 and forms.
Below, the action relationships of the Viarable diffuser of the compressor of formation like this is described.
As Fig. 7 and shown in Figure 8, wanting to utilize Diffuser ring 230 to change under the situation at the interval between shell 110 and the impeller 17b, drive motor 211 makes axle 210 carry out straight line and moves.So, be connected the protrusion tab 221 of axle 210 end, while be that the center changes angle rotating ring 220 is rotated with the position that connects by described hinge 213 by hinge 213.
Follow the rotation of such rotating ring 220, the protuberance 223 that forms in the inboard of rotating ring 220 is being inserted under the state in the tipper 231 of Diffuser ring 230, and the rake 231s along tipper 231 moves because of the rotation of rotating ring 220.Like this, protuberance 223 moves along rake 231s on one side, Yi Bian Diffuser ring 230 is only advanced on the long axis direction of main shaft 26 or retreat the distance of the height of described rake 231s.
At this, if Diffuser ring 230 advances towards the direction of impeller 17b, then the interval between impeller 17b and the Diffuser ring 230 narrows down, and on the contrary, if Diffuser ring 230 retreats towards the direction of leaving from impeller 17b, then the interval between impeller 17b and the Diffuser ring 230 broadens.
By so making the variable position of Diffuser ring 230, thus inhalation flow that can regulated fluid, and can access best diffuser efficiency.
Claims (5)
1. the Viarable diffuser of a compressor is characterized in that, comprising:
The axle (210), it carries out straight line and moves by the driving of motor (211) on the direction vertical with main shaft so that be fixed on the described main shaft (26) impeller (17b) and the encirclement this impeller shell (110) between the interval change;
Rotating ring (220), it surrounds described main shaft, and is connected in described axle by hinge (213), and the straight line of this rotating ring (220) by described axle moves and is rotated;
Diffuser ring (230), it is positioned at the inboard of described rotating ring;
Any face at the outer circumferential face of the inner peripheral surface of mutually relative described rotating ring (220) and Diffuser ring (230) forms at least one protuberance (223), be formed for the tipper (231) that card ends described protuberance at another face, rotation by described rotating ring promotes described protuberance, thereby Diffuser ring (230) moves forward and backward on the long axis direction of described main shaft.
2. the Viarable diffuser of compressor according to claim 1 is characterized in that, is formed with protrusion tab (221) at the outer circumferential face of described rotating ring, and this protrusion tab is hinged through the hinge to described axle.
3. the Viarable diffuser of compressor according to claim 1 and 2, it is characterized in that, the direction that moves forward and backward along described Diffuser ring on described shell forms a plurality of guide finge (115), form a plurality of bullports (233) along circumferencial direction on described Diffuser ring, described guide finge is inserted into respectively in the described bullport.
4. the Viarable diffuser of compressor according to claim 1 and 2 is characterized in that, at described protuberance bearing (225) is installed.
5. the Viarable diffuser of compressor according to claim 1 and 2 is characterized in that, described tipper comprises that card ends the rake (231s) that the opening portion of described protuberance (231o) and the circumferencial direction from described opening portion along described Diffuser ring are formed slopely,
When described Diffuser ring being inserted in described rotating ring inboard, insert described protuberance from described opening portion, by the rotation of described rotating ring, described protuberance moves along described rake on one side, Yi Bian described Diffuser ring is moved up in front and back.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080010446A KR100909779B1 (en) | 2008-02-01 | 2008-02-01 | Variable diffuser of compressor |
| KR1020080010446 | 2008-02-01 | ||
| KR10-2008-0010446 | 2008-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101498319A true CN101498319A (en) | 2009-08-05 |
| CN101498319B CN101498319B (en) | 2012-02-22 |
Family
ID=40945542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101855730A Expired - Fee Related CN101498319B (en) | 2008-02-01 | 2008-12-17 | variable diffuser of compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100909779B1 (en) |
| CN (1) | CN101498319B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194850A (en) * | 2014-09-26 | 2016-12-07 | 哈米尔顿森德斯特兰德公司 | The method installing bubbler in air cycle machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101176312B1 (en) | 2010-12-07 | 2012-08-23 | 엘지전자 주식회사 | Variable diffuser structure for centrifugal compressor |
| KR101342383B1 (en) | 2012-02-09 | 2013-12-16 | 엘지전자 주식회사 | centrifugal compressor |
| CN104165216A (en) * | 2013-05-19 | 2014-11-26 | 沈阳峰点科技有限公司 | Design of shifting ring |
| KR102267751B1 (en) * | 2017-06-26 | 2021-06-23 | 엘지전자 주식회사 | Compressor and Chiller system including the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527949A (en) * | 1983-09-12 | 1985-07-09 | Carrier Corporation | Variable width diffuser |
| KR20000059506A (en) * | 1999-03-04 | 2000-10-05 | 구자홍 | Diffuser of turbo compressor |
| JP2002048098A (en) * | 2000-08-02 | 2002-02-15 | Mitsubishi Heavy Ind Ltd | Routing guide for bulk material |
| US6872050B2 (en) * | 2002-12-06 | 2005-03-29 | York International Corporation | Variable geometry diffuser mechanism |
-
2008
- 2008-02-01 KR KR1020080010446A patent/KR100909779B1/en active IP Right Grant
- 2008-12-17 CN CN2008101855730A patent/CN101498319B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194850A (en) * | 2014-09-26 | 2016-12-07 | 哈米尔顿森德斯特兰德公司 | The method installing bubbler in air cycle machine |
| CN106194850B (en) * | 2014-09-26 | 2019-03-01 | 哈米尔顿森德斯特兰德公司 | The method of diffuser is installed in air cycle machine |
| US10487853B2 (en) | 2014-09-26 | 2019-11-26 | Hamilton Sundstrand Corporation | Alignment tool for installing a diffuser in an air cycle machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100909779B1 (en) | 2009-07-29 |
| CN101498319B (en) | 2012-02-22 |
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