CN1793656A - Rotary two-stage compressor - Google Patents
Rotary two-stage compressor Download PDFInfo
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- CN1793656A CN1793656A CN 200510138111 CN200510138111A CN1793656A CN 1793656 A CN1793656 A CN 1793656A CN 200510138111 CN200510138111 CN 200510138111 CN 200510138111 A CN200510138111 A CN 200510138111A CN 1793656 A CN1793656 A CN 1793656A
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- 238000007906 compression Methods 0.000 claims abstract description 60
- 229920001971 elastomer Polymers 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 19
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- 238000002955 isolation Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 19
- 238000007599 discharging Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000000659 freezing mixture Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
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- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000008676 import Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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Abstract
The invention provides a rotary two-stage compressor, having: a rotary shaft including two eccentric parts; a rotary compression element provided with a low pressure compression element and a high pressure compression element by a partition plate, with a roller revolved by eccentric rotation of the eccentric parts in each compression chamber; and a delivery space of the low pressure compression chamber separated from an inner space of a hermetic vessel. The said delivery space is arranged adjoining the low pressure compression element, including at least a bearing supporting a rotary shaft, a space between walls surrounding the bearing; opposing to the low pressure compression element, a delivery space cover provided with a through hole keeping communication of the rotary shaft separating the delivery space and an inner space of the hermetic vessel and supported by the bearing; the delivery space cover and the bearing are connected through an elastic body. Consequently, the invention can suppress deformation of an intermediate vessel accompanying pressure load and fastening load in a rotary two stage compressor and reduce slide loss and leak loss of refrigerant or refrigerator oil.
Description
Technical field
The present invention relates to be used in the rotary compressor of air conditioner with freeze cycle.
Background technique
In the past, as rotary 2 stage compressors that are used in freeze cycle, commonly for example opened disclosed structure in the clear 60-128990 communique (below, patent documentation 1) the spy.Compressor in the prior art has the inside at seal container, the motor of being made up of stator and rotor on top.The running shaft that connects motor has 2 eccentric parts.As the compressing mechanism of corresponding these eccentric parts,, set gradually high pressure with compressing member and low pressure compressing member from motor side in seal container inside.
Each compresses key element makes roller make revolution motion by the rotation of the off-centre of rotating shaft eccentric portion.180 ° of these eccentric part phase phase differences, each phase difference that compresses the compression section of key element is 180 °.That is, the compression section of two compression key elements is an antiphase.
Gaseous coolant as the action fluid is inhaled into, is compressed to low pressure with in the compression key element with low pressure Ps, presses Pm in the middle of rising to.The gaseous coolant of pressing Pm to discharge with the centre is discharged to via intermedia by discharging the space.Then, the gaseous coolant of the middle Pm of pressure is inhaled into high pressure with compressing in the key element through via intermedia, is compressed to high pressure P d.Be discharged to gaseous coolant in the seal container with high pressure P d, flow down in the seal container after, be discharged to outside the compressor.
As the structure in the discharge space of rotary 2 stage compressors that press to high pressure in such seal container, disclosed structure in the known for example patent documentation 1.Among Figure 10, the sectional drawing of rotary 2 stage compressors of expression prior art.
The 9b of end plate portion is fixed to the inwall of body 22 through welding, and supports main shaft holds 9.The 19b of end plate portion is supported on supplementary bearing 19.
Each compresses key element 20a and 20b is constructed as follows.Low pressure compression key element 20a constitutes pressing chamber 23a by end panel 19b and cylindric cylindrical body 10a, the cylindric roller 11 that is embedded in eccentric part 5a periphery and the intermediate clapboard 15 of supplementary bearing 19.In addition, high pressure compressed key element 20b constitutes pressing chamber 23b by the 9a of end plate portion, the cylindric cylindrical body 10b of main bearing 9, the cylindric roller 11b and the intermediate clapboard 15 that are embedded in eccentric part 5b periphery.
These pressing chambers 23a, 23b, by connecting the planar impeller (vane) (not shown among Figure 10) of the such active force additional mechanism providing additional operation of helical spring, contact is placed with the outer of roller 11a, 11b of the eccentric motion rotation of eccentric part 5a, 5b, and, pressing chamber 23a, 23b are divided into compression volume and suck the space by doing the advance and retreat motion.
Compression key element 20 is done eccentric rotation by eccentric part 5 and is come driven roller 11.As shown in figure 10, eccentric part 5a and eccentric part 5b 180 ° of phase differences mutually, the phase difference of the compression section of compression key element 20a, 20b is 180 °.That is, the compression section of two compression key elements is an antiphase.
Represent flowing with the arrow of Figure 10 as the gaseous coolant of action fluid.The gaseous coolant of the low pressure Ps that supplies with by pipe arrangement 31 is drawn into low pressure with in the compression key element 20a by the suction port 25a that is connected with pipe arrangement 31, pressure Pm in the middle of roller 11a is compressed to by the off-centre rotation.Pressure one in the pressing chamber 23a becomes predefined pressure, and the expulsion valve 28a of opening presses the gaseous coolant of Pm to be discharged to the discharge space 33 that is communicated with exhaust port 26a if press the Pm opening with the centre in the middle of then becoming.This discharge space 33 is to isolate the space of the confined space 29 in the seal container 13 by supplementary bearing 19 and lid 35, presses Pm in the middle of its internal pressure becomes substantially.
Via intermedia 30 is to be communicated with the path of discharging space 33 and suction port 25b.By the space of discharging the connection that space 33 and via intermedia 30 and suction port 25b form, be and seal container 13 is isolated, internal pressure be in the middle of the intermediate space of pressure Pm.Therefore, the gaseous coolant of the pressure P m that discharges by the exhaust port 26a of expulsion valve 28a opening, be discharged to discharge space 33 after, by via intermedia 30, to the suction port 25b that is communicated with the 23b of pressure chamber of high-pressure key element 20b.
Thereafter, by via intermedia 30, be drawn into high pressure with the gaseous coolant of pressing Pm in the middle of in the compression key element 20b by suction port 25b, the revolution by roller 11b is compressed to high pressure P d.Pressure one in the pressing chamber 23b becomes predefined pressure, and if the expulsion valve 28b of opening is with high pressure P d opening, and then gaseous coolant is discharged to the confined space 29 of the inner space of seal container 13 from exhaust port 26b.Be discharged to the gaseous coolant of this confined space 29, by discharging by discharge tube 27 between the crack of motor 14.
Discharging space 33 possesses: corresponding end board 19b, with the intermediate receptacle 19 of low pressure with the roughly concavity of compression key element 20a opposition side opening; Discoideus lid 35 with the open part that through hole 40, inaccessible intermediate receptacle 19 are arranged in central authorities.
Utilize such structure, with the discharge space 33 of intermediate pressure and 29 next doors, inner space of high pressure, gas and the state that compresses discharge (high pressure) gas barrier of key element 20b from the high pressure side of container 13 inside after low voltage side compression key element 20a compression, establishment imports to the path of high pressure side compression key element 20b, makes 2 stage compressors of interim ground pressurized gas constitute possibility.
In the structure in the discharge space 33 of prior art, as shown in figure 11,, pressure loading is sent to supplementary bearing 19a from covering 35 outside elevated pressure Pd and the pressure reduction (Pd-Pm) of intermediate pressure Pm.By pressure loading, make the central authorities of the 19b of end plate portion be deformed into convex to this supplementary bearing 19a.19b of end plate portion and the slip loss between the roller 11a as shown in figure 10 arranged and increase this problem by distortion from the leakage loss of same portion cooling agent or refrigerator oil.
Especially as shown in figure 11, connecting under the situation of intermediate receptacles 19 and lid 35, also increasing the initial load when assembling with connection key elements 36 such as bolts.If the surface of contact dimensional accuracy of supplementary bearing 19a and outer wall 19c, surface accuracy produce difference, then there is the distortion that produces fastening load, the 19b of end plate portion at the 19a of supplementary bearing portion to increase this problem.
And, connect under the strong situation of the fastening load of key element 36, owing to also follow the distortion of outside wall portions 19c, therefore increase load to the above-mentioned supplementary bearing 19a of portion, have from outside wall portions 19c and cover 35, the leakage loss of freezing mixture or refrigerator oil increases this problem.
Patent documentation 1: the spy opens clear 60-128990 communique (the 4th page of the 1st figure)
Summary of the invention
The objective of the invention is to: in the intermediate receptacle in the discharge space that forms low voltage side compression key element, suppress the distortion that causes because of pressure loading and fastening load, to reduce the slip loss.And, suppress the distortion of the outside wall portions under the strong situation of fastening load, reduce the leakage loss of freezing mixture or refrigerator oil.
In order to achieve the above object, rotary compressor of the present invention has in seal container: motor; By this motoring, the running shaft of 2 eccentric parts is arranged; With rotation compression key element, it is provided with low pressure compression key element and high pressure compression key element by dividing plate, and this low pressure possesses the roller that is carried out revolution motion by the off-centre rotation of above-mentioned eccentric part with compression key element and high pressure with compressing key element in each pressing chamber; The above-mentioned low pressure that separates with inner space with above-mentioned seal container is with the discharge space of compression key element.And above-mentioned discharge space in abutting connection with above-mentioned low pressure with compression key element and being provided with, have the bearing of the above-mentioned running shaft of axle supporting at least and surround space between this bearing wall on every side; Discharge space lid with the through hole that is provided with the inner space that connects above-mentioned running shaft and above-mentioned seal container, this running shaft axle is bearing on the above-mentioned bearing, this discharges that space lid is relative with the compression key element with above-mentioned low pressure, the inner space of isolation above-mentioned discharge space and above-mentioned seal container, and this discharge space is covered and is connected by elastomer with above-mentioned bearing.
And under the strong situation of fastening load, in order to connect above-mentioned supplementary bearing and above-mentioned outside wall portions, having at least has for example reinforcement of essentially rectangular section shape to use the supporting portion more than 1, and it is also low to make the aspect ratio of supporting portion surround the top of the wall around the bearing.
In addition, as elastomer, also can adopt and discharge space lid side is the disk spring (ware バ ネ) of the roughly circular cone shape of bottom surface, or discoideus gasket seal.
And, in order to alleviate the influence of fastening load, cover the connection key element that is connected to intermediate space with discharging the space, the axle center of corresponding rotation axle, be configured on the circumference of diameter of phi Dp, the corresponding maximum inner diameter Φ D that surrounds bearing maximum outside diameter Φ d and bearing wall on every side also can make the scope of this diameter of phi Dp for (Φ d+ Φ D)/2≤Φ Dp≤Φ D.
The invention effect
According to the present invention, can reduce the slip loss in the low voltage side compression key element, maybe can reduce the leakage loss of freezing mixture or refrigerator oil, help to improve the performance of rotary compressor.
Description of drawings
Fig. 1 is the sectional drawing of rotary 2 stage compressors of expression an embodiment of the present invention.
Fig. 2 is the pie graph of rotary 2 stage compressors of expression an embodiment of the present invention.
Fig. 3 is the sectional arrangement drawing of the intermediate space of present embodiment.
Fig. 4 is the worm's eye view of the intermediate receptacle of present embodiment.
Fig. 5 is the worm's eye view of the lid of present embodiment.
Fig. 6 is the elastomeric sectional drawing of present embodiment.
Fig. 7 is the sectional drawing of the gasket seal of present embodiment.
Fig. 8 is the sectional arrangement drawing of intermediate space of the application examples of present embodiment.
Fig. 9 is the A-A sectional drawing of Fig. 8.
Figure 10 is the sectional arrangement drawing of rotary 2 stage compressors of expression prior art.
Figure 11 be the expression prior art intermediate space in load and the figure of distortion.
Among the figure: the 1-compressor, the 2-running shaft, the 5-eccentric part, the 9-main bearing, the 10-cylindrical body, the 11-roller, the 19-intermediate receptacle, 20-compresses key element, the 30-via intermedia, 33-discharges the space, 35-lid, 37-elastomer.
Embodiment
Utilize Fig. 1 to Fig. 7, one embodiment of the present invention is described.Fig. 1 is the sectional arrangement drawing of rotary 2 stage compressors of embodiment of the present invention.In Fig. 1, give identical symbol to the parts identical, material with Figure 10.
Compressor 1 has the seal container of being made up of bottom 21, cap 12 and body 22 13.Above seal container 13 inside, the motor 14 with stator 7 and rotor 8 is set.Connect the running shaft 2 of motor 14, have two eccentric parts 5, axle is supporting main bearing 9 and supplementary bearing 19a.To should running shaft 2, stack gradually main bearing 9, high pressure from motor 14 sides and use compression key element 20a to reach and the intermediate receptacle 19 of low pressure, carry out integrated with connection key elements such as bolt 36 with the concavity that compresses total 19b of end plate portion of key element 20a and outside wall portions 19c and supplementary bearing 19a composition with compression key element 20b, intermediate clapboard 15, low pressure with the 9a of end plate portion.
Each compresses key element 20a and 20b, constitutes as Fig. 1, Fig. 2.Low pressure compression key element 20a constitutes pressing chamber 23a by the 19b of end plate portion, cylindric cylindrical body 10a, the cylindric roller 11a and the intermediate clapboard 15 that are embedded in eccentric part 5a periphery.In addition, high pressure compressed key element 20b constitutes pressing chamber 23b by the 9a of end plate portion, cylindric cylindrical body 10b, the cylindric roller 11b and the intermediate clapboard 15 that are embedded in eccentric part 5b periphery.
These pressing chambers 23a, 23b, by connecting the planar impeller (vane) 18 of the such active force additional mechanism providing additional operation (not shown) of helical spring, on the periphery of contact with roller 11a, the 11b of the eccentric motion rotation of eccentric part 5a, 5b, and, pressing chamber 23a, 23b are divided into compression volume and suck the space by doing the advance and retreat motion.
Compression key element 20 is done eccentric rotation by eccentric part 5 and is come driven roller 11.As shown in Figure 1 and Figure 2, eccentric part 5a and eccentric part 5b 180 ° of phase differences mutually, the phase difference of the compression section of compression key element 20a, 20b is 180 °.That is, the compression section of two compression key elements is an antiphase.
Represent to move the flowing of gaseous coolant of fluid with the arrow of Fig. 1.The gaseous coolant of the low pressure Ps that supplies with by pipe arrangement 31 is drawn into low pressure with in the compression key element 20a by the suction port 25a that is connected with pipe arrangement 31, pressure Pm in the middle of being compressed to by the eccentric rotation of roller 11a.Pressure one in the pressing chamber 23a becomes predefined pressure, and the expulsion valve 28a of opening presses the gaseous coolant of Pm to be discharged to the discharge space 33 that is communicated with exhaust port 26a if press the Pm opening with the centre in the middle of then becoming.This discharges space 33, is provided with compression key element 20a in abutting connection with low pressure, is to isolate the space of the confined space 29 in the seal containers 13 by intermediate receptacle 19, the lid 35 that covers discharge space 33 and elastomer 37, presses Pm in the middle of this internal pressure becomes substantially.Via intermedia 30 is to be communicated with from discharging the exhaust port 26c in space 33 and the path of suction port 25b.The gaseous coolant of the pressure P m that discharges by the exhaust port 26a of expulsion valve 28a opening, be discharged to discharge space 33 after, by exhaust port 26c and via intermedia 30, to the suction port 25b that is communicated with the 23b of pressure chamber of high-pressure key element 20b.
Thereafter, by via intermedia 30, be drawn into high pressure with the gaseous coolant of pressing Pm in the middle of in the compression key element 20b by suction port 25b, the revolution by roller 11b is compressed to high pressure P d.Pressure one in the pressing chamber 23b becomes predefined pressure, and the expulsion valve 28b of opening is just with high pressure P d opening.Gaseous coolant is discharged to confined space 29 as the inner space of seal container 13 from exhaust port 26b.Be discharged to the gaseous coolant of this confined space 29, discharge by discharge tube 27 by the gap of motor 14.
Fig. 3 shows the sectional arrangement drawing of discharging space 33, and Fig. 4 shows the worm's eye view of intermediate receptacle 19.Discharge space 33 by connecting key element 36 connection intermediate receptacles 19, lid 35 and elastomer 37 and constituting.Elastomer 37 sandwiches tabular surface 19d and covers gap between 35.
Through hole 39, on the circumference of diameter of phi Dp roughly along the circumferential direction equalization be provided with more than 4.Diameter of phi Dp, the maximum outside diameter Φ d of corresponding diameter of phi D and supplementary bearing 19a described later is the scope of (Φ D+ Φ d)/2≤Φ Dp≤Φ D.
The internal side diameter of supplementary bearing 19a also is a ladder, and contacting part 19e and the non-19f of non-contact portion that supports the running shaft 2 also bigger than contacting part 19e diameter of being supported running shaft 2 shown in Figure 1 by axle form.At this, tabular surface 19d is located at the periphery of the 19f of non-contact portion that is not contacting part 19e.Tabular surface 19d and intermediate receptacle 19 are integrally formed, but also can adopt machinings such as cutting.
In addition, as shown in Figure 6, implement at this that elastomer 37 is disk springs (ware バ ネ) of roughly truncated cone shape in mode.Disk spring is with copper product compression moulding.Elastomer 37 is arranged at tabular surface 19d by the tip of supplementary bearing 19a.
At this moment, as shown in Figure 3, serve as to cover a side of 35 with the bottom surface of elastomer 37.Make the underside side contact of the big roughly circular cone of radius cover 35 and be provided with, correspondence is arranged on the opposition side, can obtain the sealing area (seal zone) between wideer parts.
In addition, the also discoideus gasket seal shown in the sectional drawing of Fig. 7 of elastomer 37.When being gasket seal,, adopt rubber material or resin material for more yielding.
By above formation, outside wall portions 19c contacts with 35 on lid, guarantees sealing.On the other hand, sealing by elastomer 37 distortion, closely contact, is guaranteed in the gap of tabular surface 19 and lid 35.This shape covers 35 because as shown in figure 11, even because of external pressure bears pressure loading, elastomer 37 also is out of shape, so suppress the distortion of the end plate 19b of portion.And, even produce machining error, also can guarantee sealing at outside wall portions 19c and tabular surface 19d, can suppress the distortion of the 19b of end plate portion simultaneously.
And, since establish through hole 39 be configured to (Φ D+ Φ d)/2≤Φ Dp≤Φ D, so will be from the connection load that connects key element 36 as vertical stress transmission to the high outside wall portions 19c of rigidity, mitigation is to supplementary bearing 19a transmitted load.Therefore, even, also can suppress to cause the distortion of the 19b of end plate portion because of load from supplementary bearing 19a connecting under the strong situation of load.
And, owing to establish tabular surface 19d,, can suppress the distortion of 19b of end plate portion and contacting part 19e so, also can relax distortion radially to supplementary bearing 19a even for example be subjected under the situation of load at tabular surface 19d in the 19f of non-contact portion side.
And, because to make supplementary bearing 19a be stairstepping,, can prevent the position deviation of elastomer 37 so carry out the location of elastomer 37 when assembling easily.
Below, utilize Fig. 8 to Fig. 9, the application examples of present embodiment is described.Fig. 8 is the worm's eye view of the intermediate receptacle 19 of present embodiment, and Fig. 9 is the A-A sectional drawing of Fig. 8.Between outside wall portions 19c and supplementary bearing 19a, 3 beams 41 with supporting portion of essentially rectangular section shape are set.
Beam 41 is along the straight line setting at the center of center that connects through hole 39 and supplementary bearing 19a.This is because improve through hole 39 rigidity on every side, more to relax the load that connects key element 36.Also can establish 1 beam 41 at least, and as shown in the figure, be provided with, further improve effect by corresponding each through hole 39 as this supporting portion.
Beam 41 is compared the height step-down as shown in Figure 9 with outside wall portions 19c, be the height roughly the same with tabular surface 19d.But, the height of beam 41, also comparable tabular surface 19d is also low.Exhaust port 25c is set to, in 3 spaces that separated with beam 41, connection and the same space of exhaust port 26a.
Utilize this structure, suppress the distortion of the outside wall portions 19c that causes because of fastening load, further improve the sealing of outside wall portions 19c and lid 35.Owing to make the top of the aspect ratio outside wall portions 19b that divides as the long leg of beam 41 1 ends low, thus do not increase because of beam 41 cause from covering 35 load to the 19b of end plate portion transmission.That is, the distortion that can suppress the 19b of end plate portion increases, and can suppress the distortion of outside wall portions 19c simultaneously.
And, according to the position of exhaust port 25c, beam 41 fluid free obstacles.That is, suppress the increase of the flow losses that causes because of beam 41.
As mentioned above, present embodiment, inhibition reduces the slip loss by the distortion that pressure loading in the intermediate receptacle in the discharge space that forms low voltage side compression key element and fastening load cause.And then suppress the distortion of the outside wall portions of fastening load when strong, reduce the leakage loss of freezing mixture or refrigerator oil.
Claims (8)
1, a kind of rotary 2 stage compressors,
In seal container, possess: motor; Electric motor driven by this, as to have two eccentric parts running shaft; Rotation compression key element, it is provided with low pressure compression key element and high pressure compression key element by intermediate clapboard, and this low pressure possesses the roller that is carried out revolution motion by the off-centre rotation of described eccentric part with compression key element and high pressure with compressing key element in each pressing chamber; With discharge the space, it, is connected with the pressing chamber that compresses key element with described high pressure with the pressing chamber of described low pressure with the compression key element with the compression key element from described low pressure, separate with the inner space of described seal container,
Described discharge space, be provided with the compression key element in abutting connection with described low pressure, at least have the bearing of the described running shaft of axle supporting and surround space between the wall around this bearing, discharge space lid with the through hole that is provided with the inner space that connects described running shaft and described seal container, this running shaft axle is bearing on the described bearing, this discharges that space lid is relative with the compression key element with described low pressure, the inner space of isolation described discharge space and described seal container, and this discharge space is covered and is connected by elastomer with described bearing.
2, rotary 2 stage compressors according to claim 1 is characterized in that,
At least be provided with 1 supporting portion to put on the shelf between described bearing and described wall portion.
3, rotary 2 stage compressors according to claim 2 is characterized in that,
Described supporting portion, one end are positioned at the position of compressing key element than the top of described wall near described low pressure.
4, rotary 2 stage compressors according to claim 2 is characterized in that,
Described discharge space lid is connected to the hole that the connection key element of described intermediate space connected is arranged between described wall and the described bearing, described supporting portion is arranged between described hole and the described bearing.
5, rotary 2 stage compressors according to claim 1 is characterized in that,
As described low pressure with the part of compression key element, have the described discharge space of the end plate portion that is provided with described wall, has intermediate receptacle and described discharge space lid, this intermediate receptacle has described bearing in inside, and by described end plate portion and described wall with the described low pressure direction relative with compression volume on have open part
In described bearing, be provided with and the relative tabular surface of described discharge space lid, between this tabular surface and described lid, be provided with described elastomer.
6, rotary 2 stage compressors according to claim 1 is characterized in that,
Described elastomer is that lid side in described discharge space is the disk spring of roughly circular cone shape of bottom surface or discoideus gasket seal.
7, rotary 2 stage compressors according to claim 1 is characterized in that,
Described discharge space lid is connected to the connection key element of described intermediate space, the axle center of corresponding described running shaft, be configured on the circumference of diameter Ф Dp, the maximum outside diameter Ф d of described diameter Ф Dp and described bearing and the maximum inner diameter Ф D of described wall are corresponding, are (Ф d+ Ф D)/2≤Ф Dp≤Ф D.
8, rotary 2 stage compressors according to claim 1 is characterized in that,
Described elastomer is configured in the space between described discharge space lid and the described bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004370375 | 2004-12-22 | ||
| JP2004370375A JP2006177223A (en) | 2004-12-22 | 2004-12-22 | Rotary two stage compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793656A true CN1793656A (en) | 2006-06-28 |
| CN100585187C CN100585187C (en) | 2010-01-27 |
Family
ID=36731559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510138111A Expired - Fee Related CN100585187C (en) | 2004-12-22 | 2005-12-22 | Rotary two-stage compressor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006177223A (en) |
| CN (1) | CN100585187C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644595A (en) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | Rotary type compressor |
| CN102852793A (en) * | 2011-06-27 | 2013-01-02 | 三菱电机株式会社 | Rotary compressor |
| CN103671117A (en) * | 2013-11-20 | 2014-03-26 | 广东美芝制冷设备有限公司 | Rotary compressor and compression unit thereof |
| CN103850938A (en) * | 2013-12-20 | 2014-06-11 | 珠海凌达压缩机有限公司 | Air suction and exhaust structure of double-stage compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101328824B1 (en) | 2007-07-31 | 2013-11-13 | 엘지전자 주식회사 | Two stage rotary compressor |
| KR101268624B1 (en) | 2007-07-31 | 2013-05-29 | 엘지전자 주식회사 | Two stage rotary compressor |
| KR101328858B1 (en) | 2007-07-31 | 2013-11-13 | 엘지전자 주식회사 | Two stage rotary compressor |
| KR101381085B1 (en) * | 2007-11-13 | 2014-04-10 | 엘지전자 주식회사 | 2 stage rotary compressor |
| JP4270317B1 (en) | 2007-11-28 | 2009-05-27 | ダイキン工業株式会社 | Seal structure and compressor |
| JP5195497B2 (en) * | 2009-02-17 | 2013-05-08 | ダイキン工業株式会社 | Rotary fluid machine |
| JP5175790B2 (en) * | 2009-03-17 | 2013-04-03 | ヤフー株式会社 | Community information distribution apparatus, community information distribution method, and community information distribution program. |
| JP5840060B2 (en) * | 2012-03-30 | 2016-01-06 | 三菱電機株式会社 | Rotary compressor |
| JP2016070229A (en) * | 2014-09-30 | 2016-05-09 | ダイキン工業株式会社 | Compressor |
| CN113250959B (en) * | 2020-02-13 | 2023-04-18 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
| JP2022072807A (en) * | 2020-10-30 | 2022-05-17 | ダイキン工業株式会社 | Compressor, method of manufacturing compressor, and air conditioner |
-
2004
- 2004-12-22 JP JP2004370375A patent/JP2006177223A/en not_active Withdrawn
-
2005
- 2005-12-22 CN CN200510138111A patent/CN100585187C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644595A (en) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | Rotary type compressor |
| CN102852793A (en) * | 2011-06-27 | 2013-01-02 | 三菱电机株式会社 | Rotary compressor |
| CN102852793B (en) * | 2011-06-27 | 2015-06-03 | 三菱电机株式会社 | Rotary compressor |
| CN103671117A (en) * | 2013-11-20 | 2014-03-26 | 广东美芝制冷设备有限公司 | Rotary compressor and compression unit thereof |
| CN103850938A (en) * | 2013-12-20 | 2014-06-11 | 珠海凌达压缩机有限公司 | Air suction and exhaust structure of double-stage compressor |
| CN103850938B (en) * | 2013-12-20 | 2016-07-06 | 珠海凌达压缩机有限公司 | The suction and exhaust structure of double-stage compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006177223A (en) | 2006-07-06 |
| CN100585187C (en) | 2010-01-27 |
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