CN105275802B - Screw compressor and heat-exchange system - Google Patents
Screw compressor and heat-exchange system Download PDFInfo
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- CN105275802B CN105275802B CN201410299167.2A CN201410299167A CN105275802B CN 105275802 B CN105275802 B CN 105275802B CN 201410299167 A CN201410299167 A CN 201410299167A CN 105275802 B CN105275802 B CN 105275802B
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- back pressure
- screw compressor
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Abstract
The invention provides a kind of screw compressor and heat-exchange system.Screw compressor includes：Air supply passage；For preventing the counterflow-preventing component of back flow of gas in air supply passage, counterflow-preventing component is arranged on air supply passage.Due to setting counterflow-preventing component on air supply passage, it is thus possible to effectively avoid back flow of gas, the situation of leakage caused by back pressure deficiency, so as to ensure that the operating efficiency of screw compressor, improve the use reliability of screw compressor.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly, to a kind of screw compressor and heat-exchange system.
Background technology
Common screw compressor is only applicable to some specific condition ranges.When the timing of condensation temperature one, common scroll compression
When contracting machine is run under low evaporating temperature, it may occur that problems with：1st, inspiratory volume increases, and refrigerant circulation is reduced, and heats energy
Power declines；2nd, pressure ratio increases, and volumetric efficiency declines, and compressor displacement and efficiency are remarkably decreased；3rd, delivery temperature quickly raises,
Lubricating oil viscosity is drastically declined, influence compressor lubrication, and when delivery temperature and lubricating oil flash point are close, lubrication can be made
Oil carbon.
For problem above, a kind of screw compressor with gas compensation function is proposed in the prior art.Screw compressor
With the air supply passage connected with compression chamber, the intermediate pressure in heat-exchange system is incorporated into compression chamber by air supply passage,
The capacity of screw compressor can so be increased, reduce delivery temperature, so as to improve the reliability of screw compressor.
But the screw compressor with gas compensation function is applied to high load capacity operating mode.When it is used for the operating mode of underload,
There is back pressure it is less than normal the problem of, the problem of causing back flow of gas, leakage because of back pressure deficiency so as to easily cause, and then make
The efficiency for obtaining compressor declines.
The content of the invention
The present invention is intended to provide a kind of screw compressor and heat-exchange system, to solve in the prior art in screw compressor
The problem of easy adverse current of gas, leakage.
In order to solve the above technical problems, according to an aspect of the invention, there is provided a kind of screw compressor, including：Mend
Gas passage；For preventing the counterflow-preventing component of back flow of gas in air supply passage, counterflow-preventing component is arranged on air supply passage.
Further, air supply passage includes the first tonifying Qi section, and screw compressor also includes：Moving plate；Upper bracket, Moving plate are set
In the upper end of upper bracket, and back pressure cavity is formed between Moving plate and upper bracket, the first tonifying Qi section is located at upper bracket, the first tonifying Qi section
Outlet side connected with back pressure cavity, counterflow-preventing component is arranged on the outlet side of the first tonifying Qi section.
Further, counterflow-preventing component includes valve block, and valve block is movably arranged in the first tonifying Qi section so that outlet side is opened
Or cut-off.
Further, the outlet side of the first tonifying Qi section includes：Back pressure branch road, first end and the back pressure cavity of back pressure branch road connect
Logical, valve block is slidably arranged in back pressure branch road；Outlet branch road, the first end of outlet branch road connects with back pressure cavity, according to valve block
Second end of position difference outlet branch road connects with the inlet end of back pressure branch road or the first tonifying Qi section.
Further, counterflow-preventing component also includes catch, and catch is arranged on the first end of back pressure branch road, and catch has ventilation
Hole.
Further, the circumferential edge of catch is connected with the inner thread of back pressure branch road.
Further, the second end of back pressure branch road also has the limiting section of limitation valve plate movement stroke, valve block and outlet branch
Second end on road is respectively positioned between the first end of limiting section and back pressure branch road.
Further, screw compressor also includes：Moving plate；Quiet disk, quiet disk are arranged on the upper end of Moving plate, and quiet disk and Moving plate
Between form compression chamber, be provided with dashpot on the surface towards compression chamber of quiet disk.
Further, compression chamber includes middle pressure chamber, and dashpot is located at the opening position of the generation middle pressure chamber of quiet disk.
According to another aspect of the present invention, there is provided a kind of heat-exchange system, including screw compressor, screw compressor are
Above-mentioned screw compressor.
Further, heat-exchange system also includes：Condenser；Connecting line, condenser pass through connecting line and scroll compression
Machine is directly connected to；Switch valve, switch valve are arranged on connecting line.
Counterflow-preventing component in the present invention is used to prevent back flow of gas in air supply passage, and counterflow-preventing component is arranged on tonifying Qi and led to
On road.Due to setting counterflow-preventing component on air supply passage, it is thus possible to effectively avoid the gas caused by back pressure deficiency inverse
Stream, the situation of leakage, so as to ensure that the operating efficiency of screw compressor, improve the use reliability of screw compressor.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the internal structure signal of the compressor in first preferred embodiment in the present invention
Figure；
Fig. 2 diagrammatically illustrates the partial enlarged drawing at A in Fig. 1；
Fig. 3 diagrammatically illustrates the internal structure signal of the compressor in second preferred embodiment in the present invention
Figure；
Fig. 4 diagrammatically illustrates the internal structure signal of the compressor in the 3rd preferred embodiment in the present invention
Figure；
Fig. 5 diagrammatically illustrates the partial enlarged drawing at B in Fig. 4；
Fig. 6 diagrammatically illustrates the internal structure signal of the compressor in the 4th preferred embodiment in the present invention
Figure；
Fig. 7 diagrammatically illustrates the structural representation of Moving plate in Fig. 1；
Fig. 8 diagrammatically illustrates the structural representation of quiet disk in Fig. 3；And
Fig. 9 diagrammatically illustrates the connection relationship diagram of each part in the heat-exchange system in the present invention.
Reference in figure：10th, air supply passage；11st, the first tonifying Qi section；11a, back pressure branch road；11b, outlet branch road；11c、
Limiting section；12nd, the second tonifying Qi section；20th, counterflow-preventing component；21st, valve block；22nd, catch；22a, passage；30th, Moving plate；40th, upper branch
Frame；41st, back pressure cavity；50th, quiet disk；51st, compression chamber；51a, middle pressure chamber；52nd, dashpot；60th, condenser；70th, connecting line；80、
Switch valve；81st, four-way valve；82nd, liquid trap；83rd, evaporator；90th, blowdown pipe；91st, tonifying Qi hole；92nd, economizer；93rd, upper lid；
94th, housing；95th, air inlet pipe；96th, filter screen；97th, cross slip-ring；98th, spring.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As the first aspect of the invention, there is provided a kind of screw compressor.As shown in Figures 1 to 8, screw compressor
Including air supply passage 10 and for preventing the counterflow-preventing component 20 of back flow of gas in air supply passage 10, counterflow-preventing component 20 is arranged on
On air supply passage 10.Due to setting counterflow-preventing component 20 on air supply passage 10, it is thus possible to effectively avoid because of back pressure deficiency and
Caused back flow of gas, the situation of leakage, so as to ensure that the operating efficiency of screw compressor, improve making for screw compressor
Use reliability.
As shown in Figures 1 to 8, air supply passage 10 includes the first tonifying Qi section 11, and screw compressor also includes Moving plate 30 and upper
Support 40, Moving plate 30 is arranged on the upper end of upper bracket 40, and back pressure cavity 41, the first tonifying Qi are formed between Moving plate 30 and upper bracket 40
Section 11 is at upper bracket 40, and the outlet side of the first tonifying Qi section 11 connects with back pressure cavity 41, and counterflow-preventing component 20 is arranged on first
The outlet side of tonifying Qi section 11.Because the outlet side of the first tonifying Qi section 11 connects with back pressure cavity 41, thus when pressure in back pressure cavity 41
When insufficient, gas is easily by the adverse current of back pressure cavity 41 to the first tonifying Qi section 11, so as to cause that gas flow is compressed in screw compressor
Reduce, and then influence the operating efficiency of screw compressor.Because counterflow-preventing component 20 is arranged on the outlet side of the first tonifying Qi section 11,
Back flow of gas or leakage can be effectively thus avoided, so as to improve the functional reliability of screw compressor.Especially, unlatching is worked as
During gas compensation function, superfeed pressure is looped around the back side of Moving plate 30, there is provided a upward back pressure, can offset the axial gas in part
Muscle power, realize sealing.Importantly, because the space of back pressure cavity 41 is larger, thus stable back pressure is provided for Moving plate 30
Power, so as to the effective phenomenon of toppling of anti-arresting disc 30 in operation.
Screw compressor in the present invention also includes blowdown pipe 90, one end of blowdown pipe 90 and the air inlet of the first tonifying Qi section 11
End connection.
Preferably, counterflow-preventing component 20 includes valve block 21, and valve block 21 is movably arranged in the first tonifying Qi section 11 so that outlet
End is opened or cut-off.Because valve block 21 is movably arranged in the first tonifying Qi section 11 so that outlet side is opened or cut-off, it is thus possible to
Gas is effectively ensured by the first tonifying Qi section 11 to enter in back pressure cavity 41, while can also effectively prevent back flow of gas, reduce gas
Pulsation, so as to ensure that the non-return reliability of counterflow-preventing component 20.Certainly, valve block 21 can also be check valve, check-valves etc..It is excellent
Selection of land, valve block 21 is using the lighter material punch forming of material.
The outlet side of the first tonifying Qi section 11 in the present invention includes back pressure branch road 11a and outlet branch road 11b, back pressure branch road
11a first end is connected with back pressure cavity 41, and valve block 21 is slidably arranged in back pressure branch road 11a；Outlet branch road 11b first end with
Back pressure cavity 41 connects, according to the position difference outlet branch road 11b of valve block 21 the second end and back pressure branch road 11a or the first tonifying Qi section
11 inlet end connection (refer to Fig. 2 and Fig. 5).Due to the position difference outlet branch road 11b according to valve block 21 the second end with
Back pressure branch road 11a or the connection of the inlet end of the first tonifying Qi section 11, and the of back pressure branch road 11a first end and outlet branch road 11b
One end connects with back pressure cavity 41, thus when outlet branch road 11b the second end connects with back pressure branch road 11a, back pressure branch road 11a
Identical with pressure in outlet branch road 11b, now valve block 21 will be logical between outlet branch road 11b and the inlet end of the first tonifying Qi section 11
Road is cut off, so that tonifying Qi path is in cut-off state；The second end and the air inlet of the first tonifying Qi section 11 as outlet branch road 11b
End connection, the gas filled into flow through outlet branch road 11b by the inlet end of the first tonifying Qi section 11 and entered in back pressure cavity 41, now valve
Piece 21 cuts off the connected relation between back pressure branch road 11a and outlet branch road 11b the second end, tonifying Qi path is in open shape
State.
In preferred embodiment as shown in Figure 2 and Figure 5, counterflow-preventing component 20 also includes catch 22, and catch 22 is arranged on
Back pressure branch road 11a first end, catch 22 have passage 22a.Due to being provided with catch 22, it is thus possible to effectively limit valve block
21 movement travel, valve block 21 is avoided to depart from back pressure branch road 11a in the presence of the superfeed pressure, into back pressure cavity 41, so as to
It ensure that the functional reliability of valve block 21.Because catch 22 has passage 22a, thus the gas in back pressure cavity 41 can pass through
Passage 22a enters in back pressure branch road 11a, so as to which promotion is played a part of in the displacement to valve block 21, when gas in back pressure cavity 41
When pressure is more than superfeed pressure, valve block 21 is pushed return, so that outlet branch road 11b the second end and back pressure branch road 11a are again
Secondary connection.
It is, of course, also possible to which catch 22 is replaced with into backstop convex edge, the backstop convex edge is arranged on the first of back pressure branch road 11a
End, and stretched out towards back pressure branch road 11a passage.
Preferably, the circumferential edge of catch 22 is connected with back pressure branch road 11a inner thread.Due to the peripheral edge of catch 22
Edge is connected with back pressure branch road 11a inner thread, thus catch 22 is had easy-disassembling-assembling feature, consequently facilitating in back pressure branch
Valve block 21 is placed in the 11a of road or maintenance replacement operation is carried out to valve block 21.Preferably, can be in catch in order to improve reliability
22 are fastened with the junction of back pressure branch road 11a inwall addition screw thread glue.
The second end of back pressure branch road 11a in the present invention also has the limiting section 11c of the limitation movement travel of valve block 21, valve block
21 and outlet branch road 11b the second end is respectively positioned between limiting section 11c and back pressure branch road 11a first end.Due in back pressure branch
Road 11a the second end is provided with limiting section 11c, thus effectively avoids causing valve block 21 to be blown into tracheae 90 because back pressure is excessive
It is interior, so as to ensure that the functional reliability of counterflow-preventing component 20.
In preferred embodiment as shown in Figure 2 and Figure 5, back pressure branch road 11a caliber is more than entering for the first tonifying Qi section 11
The caliber at gas end, set by the caliber of variable cross-section, so as to be formed between back pressure branch road 11a and the inlet end of the first tonifying Qi section 11
Backstop cascaded surface, that is, limiting section 11c, so as to effectively prevent valve block 21 from entering the inlet end of the first tonifying Qi section 11.
In preferred embodiment as shown in Figure 2 and Figure 5, back pressure branch road 11a caliber is more than entering for the first tonifying Qi section 11
The caliber at gas end, and the diameter of blowdown pipe 90 is less than the diameter of valve block 21, thus back pressure branch road 11a and the first tonifying Qi section 11 are entered
Backstop cascaded surface, that is, limiting section 11c are formed between gas end, so as to effectively prevent valve block 21 from entering entering for the first tonifying Qi section 11
In gas end or blowdown pipe 90.
Screw compressor in the present invention also includes Moving plate 30 and quiet disk 50, and quiet disk 50 is arranged on the upper end of Moving plate 30, and
Form compression chamber 51 between quiet disk 50 and Moving plate 30, quiet disk 50 towards dashpot 52 is provided with the surface of compression chamber 51 (please
With reference to figure 8).Because the dashpot 52 on quiet disk 50 connects with compression chamber 51, thus the volume of compression chamber 51 is added, so that
The gas compression amount increase in screw compressor is obtained, and then improves the operating efficiency of screw compressor.
In preferred embodiment as shown in Figure 8, compression chamber 51 includes middle pressure chamber 51a, and dashpot 52 is located at quiet disk 50
Produce middle pressure chamber 51a opening position.Because dashpot 52 is located at the generation middle pressure chamber 51a of quiet disk 50 opening position, thus work as because
Superfeed pressure is excessive and when causing back pressure excessive, to avoid the abrasion of vortex between cog, increase dashpot 52, so that middle pressure chamber 51a
Interior medium pressure gas is filled with dashpot 52, so as to offset part back pressure.
Similarly, during the scroll compression confidential (such as IPLV operating modes) when being useful in running on the lower load in the present invention can not need
Between tonifying Qi, should now close blowdown pipe 90.Now, the gas in compression chamber 51 is entered in back pressure cavity 41 by tonifying Qi hole 91,
Function simultaneously as back pressure；Back pressure in back pressure cavity 41 causes valve block 21 to fall after rise to the inlet end one close to the first tonifying Qi section 11
Side, so as to which back pressure branch road 11a with outlet branch road 11b the second end be connected, it is truncated the first tonifying Qi section 11.Similarly, by
It is larger in the space of back pressure cavity 41, thus stable back pressure can be formed in back pressure cavity 41 by the gas of outflow in compression chamber 51
Power, so as to which effective anti-arresting disc 30 topples.
Screw compressor in the present invention also includes upper lid 93, housing 94, air inlet pipe 95, filter screen 96, the and of cross slip-ring 97
Spring 98, wherein, upper lid 93 is located at the upper end of housing 94, one end of air inlet pipe 95 stretched into through upper lid 93 in housing 94 and with
The compression chamber 51 of quiet disk 50 is connected, and filter screen 96 is additionally provided with air inlet pipe 95, and cross slip-ring 97 is arranged on Moving plate 30 and upper bracket
Between 40, spring 98 is located at the junction of quiet disk 50 and air inlet pipe 95.
Screw compressor in the present invention is also equipped with backpressure regulation function while with gas compensation function, so that whirlpool
Revolving compressor can be normal in high load capacity (such as low-temperature heating, cryogenic refrigeration), running on the lower load (such as IPLV operating modes)
Work.
As the second aspect of the invention, there is provided a kind of heat-exchange system, including screw compressor, screw compressor are
Above-mentioned screw compressor.Due to the screw compressor in the present invention have structure processed complex degree is low, requirement on machining accuracy is low,
Matching requirements are low, range of operation is wide, functional reliability is good, gas is not easy to reveal under running on the lower load, high (efficiency carries operating efficiency
Rise up to 20%) the characteristics of, hereby it is ensured that the functional reliability of heat-exchange system.
As shown in figure 9, heat-exchange system also includes condenser 60, connecting line 70 and switch valve 80, condenser 60 passes through company
Adapter road 70 is directly connected to screw compressor；Switch valve 80 is arranged on connecting line 70.Due to individually in the He of condenser 60
One connecting line 70 is set between screw compressor, thus when the delivery temperature of screw compressor is higher than design temperature, led to
The switch valve 80 opened on connecting line 70 is crossed, the inside points liquid coolant of condenser 60 can be caused to be directly injected into compression chamber 51
It is interior, now because in compression chamber 51 temperature it is too high, can instantaneously gasify into the liquid coolant in compression chamber 51, so that scroll compression
The delivery temperature of contracting machine reduces；When above-mentioned delivery temperature be down to setting normal temperature range in when, can with closing switch valve 80, and
Continue tonifying Qi operation afterwards.By increasing connecting line 70, so as to which the safety fortune of screw compressor and other equipment be effectively ensured
OK, the functional reliability of screw compressor is improved, while extends the service life of screw compressor.
Preferably, switch valve 80 is magnetic valve.
As shown in figure 9, heat-exchange system also includes economizer 92, four-way valve 81, liquid trap 82 and evaporator 83, wherein, warp
Ji device is arranged between condenser 60 and screw compressor.
In preferred embodiment as shown in Figure 7, be provided with tonifying Qi hole 91 on Moving plate 30, tonifying Qi hole 91 by back pressure cavity 41 with
Compression chamber 51 connects.When screw compressor is run in higher load condition (such as low-temperature heating, cryogenic refrigeration), centre should be opened
Gas compensation function.Refrigerant in condenser 60 is changed into entering screw compressor through blowdown pipe 90 after cold media gas in economizer 92
It is interior.Preferably, air supply passage 10 also includes the second tonifying Qi section 12, and the second tonifying Qi section 12 is located on Moving plate 30, and the second tonifying Qi section
12 one end connects with tonifying Qi hole 91, and the other end connects with back pressure cavity 41.
In preferred embodiment as shown in Figure 8, be provided with tonifying Qi hole 91 on quiet disk 50, tonifying Qi hole 91 by back pressure cavity 41 with
Compression chamber 51 connects.Preferably, air supply passage 10 also includes the second tonifying Qi section 12, and the second tonifying Qi section 12 is located on quiet disk 50, and
One end of second tonifying Qi section 12 connects with tonifying Qi hole 91, and the other end connects with back pressure cavity 41.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. screw compressor, it is characterised in that including：For the air supply passage (10) to back pressure cavity (41) tonifying Qi；For preventing the counterflow-preventing component (20) of the air supply passage (10) interior back flow of gas, the counterflow-preventing component (20) is set On the air supply passage (10), the air supply passage (10) includes the first tonifying Qi section (11)；Moving plate (30)；Upper bracket (40), the Moving plate (30) are arranged on the upper end of the upper bracket (40), and the Moving plate (30) with it is described on Forming the back pressure cavity (41) between support (40), the first tonifying Qi section (11) is located at the upper bracket (40) place, and described The outlet side of one tonifying Qi section (11) connects with the back pressure cavity (41), and the counterflow-preventing component (20) is arranged on first tonifying Qi The outlet side of section (11), the counterflow-preventing component (20) include valve block (21), and the valve block (21) is movably arranged on described In first tonifying Qi section (11) so that the outlet side is opened or cut-off, and the outlet side of the first tonifying Qi section (11) includes： Back pressure branch road (11a), the first end of the back pressure branch road (11a) connect with the back pressure cavity (41), and the valve block (21) is slided It is arranged in the back pressure branch road (11a)；Outlet branch road (11b), first end and the back pressure cavity of the outlet branch road (11b) (41) connect, according to the second end of the different outlet branch roads (11b) in the position of the valve block (21) and the back pressure branch road (11a) or the inlet end of the first tonifying Qi section (11) connect.
- 2. screw compressor according to claim 1, it is characterised in that the counterflow-preventing component (20) also includes catch (22), the catch (22) is arranged on the first end of the back pressure branch road (11a), and the catch (22) has passage (22a).
- 3. screw compressor according to claim 2, it is characterised in that the circumferential edge of the catch (22) and the back of the body Press the inner thread connection of branch road (11a).
- 4. screw compressor according to claim 1, it is characterised in that the second end of the back pressure branch road (11a) also has The second of the limiting section (11c) of the restricted valve block (21) movement travel, the valve block (21) and the outlet branch road (11b) End is respectively positioned between the first end of the limiting section (11c) and the back pressure branch road (11a).
- 5. screw compressor according to claim 1, it is characterised in that the screw compressor also includes：Moving plate (30)；Quiet disk (50), the quiet disk (50) are arranged on the upper end of the Moving plate (30), and the quiet disk (50) and the Moving plate (30) compression chamber (51) is formed between, dashpot is provided with the surface of the direction compression chamber (51) of the quiet disk (50) (52)。
- 6. screw compressor according to claim 5, it is characterised in that the compression chamber (51) includes middle pressure chamber (51a), The dashpot (52) is located at the opening position of the generation medium pressure chamber (51a) of the quiet disk (50).
- 7. a kind of heat-exchange system, including screw compressor, it is characterised in that the screw compressor is appointed in claim 1 to 6 Screw compressor described in one.
- 8. heat-exchange system according to claim 7, it is characterised in that the heat-exchange system also includes：Condenser (60)；Connecting line (70), the condenser (60) are directly connected to by the connecting line (70) with the screw compressor；Switch valve (80), the switch valve (80) are arranged on the connecting line (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299167.2A CN105275802B (en) | 2014-06-26 | 2014-06-26 | Screw compressor and heat-exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299167.2A CN105275802B (en) | 2014-06-26 | 2014-06-26 | Screw compressor and heat-exchange system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275802A CN105275802A (en) | 2016-01-27 |
| CN105275802B true CN105275802B (en) | 2017-11-14 |
Family
ID=55145418
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299167.2A Active CN105275802B (en) | 2014-06-26 | 2014-06-26 | Screw compressor and heat-exchange system |
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| Country | Link |
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| CN (1) | CN105275802B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076102A (en) * | 2022-07-04 | 2022-09-20 | 珠海格力电器股份有限公司 | Scroll compressor and air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681432A (en) * | 2018-12-20 | 2019-04-26 | 湖南汤普悦斯压缩机科技有限公司 | A kind of aeration valve and screw compressor of screw compressor |
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| CN1690431A (en) * | 2004-04-28 | 2005-11-02 | 乐金电子(天津)电器有限公司 | Screw compressor |
| CN101592150A (en) * | 2008-05-30 | 2009-12-02 | 日立空调·家用电器株式会社 | Scroll fluid machine |
| CN102454603A (en) * | 2010-10-28 | 2012-05-16 | 日立空调·家用电器株式会社 | Scroll compressor |
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| JP2001059484A (en) * | 1999-08-20 | 2001-03-06 | Fujitsu General Ltd | Scroll compressor |
| CN1924418A (en) * | 2005-08-30 | 2007-03-07 | 刘辉堂 | Gas inlet device |
| JP2008101559A (en) * | 2006-10-20 | 2008-05-01 | Hitachi Appliances Inc | Scroll compressor and refrigeration cycle using the same |
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| CN1598316A (en) * | 2003-09-15 | 2005-03-23 | Lg电子株式会社 | Scroll compressor |
| CN1690431A (en) * | 2004-04-28 | 2005-11-02 | 乐金电子(天津)电器有限公司 | Screw compressor |
| CN101592150A (en) * | 2008-05-30 | 2009-12-02 | 日立空调·家用电器株式会社 | Scroll fluid machine |
| CN102454603A (en) * | 2010-10-28 | 2012-05-16 | 日立空调·家用电器株式会社 | Scroll compressor |
| CN204003447U (en) * | 2014-06-26 | 2014-12-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and heat-exchange system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115076102A (en) * | 2022-07-04 | 2022-09-20 | 珠海格力电器股份有限公司 | Scroll compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN105275802A (en) | 2016-01-27 |
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