CN206503710U - A kind of scroll compressor thermomechanical components and scroll compressor - Google Patents
A kind of scroll compressor thermomechanical components and scroll compressor Download PDFInfo
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- CN206503710U CN206503710U CN201720180717.8U CN201720180717U CN206503710U CN 206503710 U CN206503710 U CN 206503710U CN 201720180717 U CN201720180717 U CN 201720180717U CN 206503710 U CN206503710 U CN 206503710U
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Abstract
The utility model is related to a kind of scroll compressor thermomechanical components, including dynamic vortex part and quiet scroll；Dynamic vortex part includes the first main body, and quiet scroll includes the second main body；Surface relative with the second main body in the first main body is defined for first surface, the surface relative with the first main body is second surface in the second main body；Ceramic layer is formed by differential arc oxidation processing at first surface, and/or second surface, to reduce the service wear of dynamic vortex part and quiet scroll.The anti-wear performance of the ceramic layer is good, and hardness is high, and surface roughness is low, the scroll compressor thermomechanical components is kept high fit precision and stable service behaviour during long-term use.The utility model further relates to a kind of scroll compressor with the scroll compressor thermomechanical components, and the scroll compressor reliability is high, and service life is long.
Description
Technical field
The utility model is related to Compressor Technology field, and in particular to a kind of scroll compressor thermomechanical components and scroll compressor
Machine.
Background technology
Scroll compressor as a kind of new, energy-conservation, material saving and low noise positive displacement compressor, by more and more extensive
Use, its cardinal principle is the consecutive variations of the relative revolution motion formation dead volume using dynamic and static scroll plate, to realize pressure
The purpose of contracting gas.Wherein the material of orbiter and fixed scroll, machining quality and both fit precision are directly determined
Gas compression amount and then influence the Performance And Reliability of complete machine.
Demand based on energy-saving and emission-reduction, increasing orbiter and fixed scroll are using casting or forged aluminium at present
Alloy material.Generally, need to be to orbiter and quiet whirlpool to produce adhesive wear when avoiding same type material as friction pair
At least one in capstan carries out surface modification treatment, but can there are problems that three below：One is by the modified part in surface
Surface forms weaker zone, and larger coefficient of friction can be produced when the weaker zone is with the break-in in the early stage of another scroll plate.It is more tight
The situation of weight is, it is possible to due to modified surface hard particles and scroll plate break-in when produce TRANSIENT HIGH TEMPERATURE and cause freezing
Machine oil is carbonized, and causes to freeze deterioration of oil, so as to cause to have a strong impact on to compressor performance and reliability；Two be that compressor exists
Actual motion for a period of time after, because coating abrasion amount gradually increases, the cooperation before the fit precision of dynamic and static scroll plate and assembling
Precision difference is larger, and this can cause the leakage of compressed gas and then influence the performance of compressor；Three be due to compressor permanent worker
The vortex pan coating that work causes surface modified gradually grinds off and spilt the aluminium base of scroll plate, now with same type aluminium alloy conduct
Adhesive wear is easily produced when friction is with pair, two kinds of parts is occurred the final complete machine failure of occlusion.Therefore dynamic whirlpool how is reduced
Coefficient of friction when capstan and fixed scroll break-in at initial stage, reduce the leakage of compressed gas caused by being worn and torn due to coating, avoid
Due to compressor failure caused by coating Fast Wearing, the performance and reliability for improving compressor are significant.
Chinese patent literature CN2519859Y and CN1065025C has carried out hard anode to orbiter or fixed scroll
Oxidation or anodized.But it should be noted that hard anodizing surface quality and material chemical composition, microscopic structure point
Cloth, moulding process, process for machining, condition of heat treatment etc. have much relations, higher for the accuracy requirement of reaction condition, compared with
Small condition, which changes, may cause hard oxygen poor surface quality and can not meet reliability testing requirement, and hard anodic oxygen
The roughness for changing film layer is low 1-2 grades compared with machining state, and dynamic and static scroll plate belongs to high-precision mating parts, especially scroll wrap
Top and the high roughness in substrate position can all influence the gas compression amount in compression chamber, so cause the overall performance of compressor by
To influence.Although anode oxide film surface quality is slightly good, the soft of anode oxide film is also to change, it is impossible to full
Demand of the sufficient compressor scroll plate for long-term wearability.
Chinese patent literature CN1212332A carries out Ni-P-B surface treatments to aluminium base orbiter surface, although the coating
Section hardness is higher, but this kind of coating be attachment be arranged on outside matrix, although its have certain adhesive force with matrix but
Be easier to come off, and come off the sheet coating that falls can as impurity effect compressor Performance And Reliability.
Meanwhile, the mode that the above is surface-treated for compressor orbiter or fixed scroll is required to or part is needed
The operation such as one or many pickling, alkali cleaning is carried out, causes process step cumbersome, processing procedure energy expenditure and quantity of wastewater effluent
It is larger, do not meet the environmental protection concept of energy-saving and emission-reduction.
Utility model content
In order to solve prior art presence above mentioned problem, the utility model provide a kind of scroll compressor thermomechanical components and
Scroll compressor.Purpose is, makes the surface of dynamic vortex part and/or quiet scroll and has good anti-wear performance and be difficult to take off
The rock-steady structure fallen.
The technical scheme that the utility model is used for：
A kind of scroll compressor thermomechanical components, including dynamic vortex part and quiet scroll；
The dynamic vortex part includes the first main body, and the quiet scroll includes the second main body；Define in first main body
The surface relative with second main body is first surface, and the surface relative with first main body is the in second main body
Two surfaces；
Ceramic layer is formed by differential arc oxidation processing at the first surface, and/or the second surface, it is described to reduce
The service wear of dynamic vortex part and the quiet scroll.
Preferably, first main body and second main body are made by aluminum alloy materials, and the ceramic layer is alumina
Compound layer.
Preferably, the thickness of the ceramic layer is 5-30 μm.
Preferably, the thickness of the ceramic layer is 10-20 μm.
Preferably, the section vickers microhardness of the ceramic layer is not less than 900HV.
Preferably, the surface roughness of the ceramic layer is not more than 1 μm.
Preferably, polishing is passed through on the surface of the ceramic layer, and polishing thickness is 2-5 μm.
Preferably, the surface of the ceramic layer is provided with lubricating layer, and the surface roughness of the lubricating layer is not more than 1 μm.
Preferably, the thickness of the lubricating layer is 5-15 μm.
Preferably, the lubricating layer is one kind in silicone layer, polytetrafluoroethylene floor or layer of molybdenum-disulfide.
A kind of scroll compressor, including described scroll compressor thermomechanical components.
The beneficial effects of the utility model are：
1st, ceramic layer, institute are formed by way of differential arc oxidation is handled at the first surface and/or the second surface
State ceramic layer structure fine and close, hardness is high, anti-wear performance is good, can reduce the abrasion of dynamic vortex part and quiet scroll operationally
Speed, reduces wear extent, thus avoid due to caused by abrasion compressor arrangement fit precision be deteriorated, leakage of compressed gas or
The problem of adhesive wear and occlusion failure is produced, is conducive to extension device service life.Meanwhile, the ceramic layer is by the first main body
And/or second material of main part growth in situ obtain, the combination of itself and the first main body and/or the second main body is very firm, thus can
Come off and the problem of damage compressor operating reliability with avoiding the occurrence of ceramic layer.
2nd, the ceramic layer has good surface quality, can reduce between the dynamic vortex part and the quiet scroll
The coefficient of friction of progress break-in at initial stage, advantageously reduces running-in time, and prevent due to the larger hard particles of surface size with
The scroll plate friction being engaged produces TRANSIENT HIGH TEMPERATURE and makes the problem of refrigerator oil carbonization is rotten, it is ensured that the reliable and stable fortune of compressor
Turn.
Brief description of the drawings
Fig. 1 is the front view of dynamic vortex part described in the utility model；
Fig. 2 is cross-sectional view (including the ceramic layer and the profit of dynamic vortex part described in the utility model
Slip layer)；
Fig. 3 is the front view of quiet scroll described in the utility model；
Fig. 4 is cross-sectional view (ceramic layer and the lubricating layer of quiet scroll described in the utility model
It is not shown)；
Fig. 5 is the part section structural representation of scroll compressor described in the utility model；
Fig. 6 is shown by the wear rate test result of test specimen obtained by a variety of different surface treatment modes.
In figure：1st, dynamic vortex part；11st, the first main body；2nd, quiet scroll；21st, the second main body；3rd, ceramic layer；4th, lubricating layer；
5th, case top lid；6th, housing lower cover；7th, upper bracket；8th, bent axle.
Embodiment
It is to reach technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with attached
Figure and preferred embodiment, to according to the present utility model application embodiment, structure, feature and its effect, specifically
It is bright as after.In the following description, special characteristic, structure or the feature in one or more embodiments can be by any suitable form groups
Close.
A kind of scroll compressor thermomechanical components, including dynamic vortex part 1 (see Fig. 1, Fig. 2) and quiet scroll 2 (see Fig. 3, Fig. 4)；
Generally for conventional scroll compressor, the dynamic vortex part 1 is orbiter, and the quiet scroll 2 is
Fixed scroll.The dynamic vortex part 1 and the quiet scroll 2 are equipped with, to form compression chamber between, in compression
When machine is run, the dynamic vortex part 1 it is driven and along certain track translation, coordinate with quiet scroll 2 according to designed gap,
Relative revolution motion is formed, so as to form the compression chamber of the continuous mechanical periodicity of volume, refrigerant gas can be in this kind of compression chamber
Air-breathing, compression and exhaust process are completed, so as to realize the purpose of compressed gas.
The dynamic vortex part 1 includes the first main body 11, and the quiet scroll 2 includes the second main body 21；Define described first
The surface relative with second main body 21 is first surface in main body 11, with first main body 11 in second main body 21
Relative surface is second surface；Ceramics are formed by differential arc oxidation processing at the first surface, and/or the second surface
Layer 3, to reduce the service wear of the dynamic vortex part 1 and the quiet scroll 2.Fig. 1, Fig. 2 are shown with the ceramic layer 3
The dynamic vortex part 1 structural representation.
The ceramic layer 3 is formed at least one in the first surface and the second surface so that in compressor work
During work, first main body 11 and second main body 21 are not directly contacted with, and can be prevented and are made up of same material
First main body 11 and the phase mutual friction of second main body 21 cause adhesive wear, even occur occlusion failure the problem of.
Moreover, importantly, to handle the obtained structure of the ceramic layer 3 by differential arc oxidation very fine and close, with high rigidity and
Good wearability, advantageously reduces the abrasion that the dynamic vortex part 1 and the phase mutual friction of the quiet scroll 2 are produced, effectively drop
Low abrasion speed, reduces wear extent, so as to ensure that the dynamic vortex part 1 and the quiet scroll 2 can be protected in long-term work
Hold precise match, it is to avoid fit precision is deteriorated with component wear due to compressor assembly structure, the compression intracavity gas caused
The problem of leakage.Meanwhile, improved anti-wear performance can also prevent the ceramic layer 3 be worn through when compressor assembly works and
Expose matrix material, so as to avoid the directly contact of first main body 11 and second main body 21 and recurring structure occlusion failure
The problem of.
In addition, the ceramic layer 3 obtained by differential arc oxidation processing mode, is by the first main body 11 and/or
Wearing layer on the matrix material of two main body 21 obtained by growth in situ, the combination ten of itself and the first main body 11 and/or the second main body 21
It is point firm, it is difficult to come off, thus in compressor operation, it can avoid the occurrence of that ceramic layer 3 comes off, fragment enters compression chamber
The problem of Deng compressor arrangement and operational reliability is damaged.
It is due to institute it should be noted that carrying out differential arc oxidation processing to the first surface and/or the second surface
State first surface and the second surface is long-term phase mutual friction can occur in the course of the work for compressor surface.To described
One surface and the second surface carry out selecting a processing, advantageously reduce production cost.But this does not represent and handles differential arc oxidation
Position be confined at the first surface and/or the second surface.More specifically, in actual production manufacturing process,
Can in first main body 11 including the first surface greater area of surface (such as described first main body 11 it is whole
Individual surface), and/or second main body 21 on include the second surface greater area of surface (for example it is described second master
The whole surface of body 21) differential arc oxidation processing is carried out, to simplify the operating procedure of differential arc oxidation processing, production efficiency is improved, and
Improve the planarization and aesthetic property on the dynamic vortex part 1 and the surface of quiet scroll 2.
As a kind of preferably embodiment, first main body 11 and second main body 21 are by aluminum alloy materials system
Into；The ceramic layer 3 is al oxide layer.Aluminum alloy materials density is smaller, and with good intensity and toughness, is closed using aluminium
First main body 11 described in golden material manufacture and second main body 21 advantageously reduce energy expenditure during compressor operation, meet
The environmental requirement of energy-saving and emission-reduction.And the aluminum alloy materials have good manufacture and processing characteristics, using casting or it can forge
First main body 11 and second main body 21 is made in the mode made, and obtains size essence by aftertreatment technologys such as finishing
Close part, manufacture processing cost is advantageously reduced using the aluminum alloy materials, improves production efficiency, at the same obtain intensity and
The parts of scroll compressor requirement are satisfied by terms of toughness.The ceramic layer 3 aoxidizes institute to be reacted by differential arc oxidation
State aluminum alloy materials formation al oxide layer, its in addition to the above a variety of premium properties, also with high temperature resistant,
The characteristics such as light weight.
As a kind of preferably embodiment, the thickness of the ceramic layer 3 is 5-30 μm (see h is marked in Fig. 2), further
Preferably, the thickness of the ceramic layer 3 is 10-20 μm, with each side factor such as combination weight, mechanical performance, production cost, is obtained
There must be the ceramic layer 3 of good combination property.Improved anti-wear performance causes the design thickness of the ceramic layer 3 to reduce,
Be conducive to improving manufacture efficiency, reduce production cost, reduce pts wt, extension device service life.
As a kind of preferably embodiment, the section vickers microhardness of the ceramic layer 3 is not less than 900HV.It is described
The hardness of ceramic layer 3 is higher, and the ceramic layer 3 can be prevented damaged by scratching in assembling and the course of work.
As a kind of preferably embodiment, the surface roughness Ra of the ceramic layer 3 is not more than 1 μm.The ceramic layer 3
Surface it is smooth, roughness is low, advantageously reduces rubbing when initial stage coordinates between the dynamic vortex part 1 and the quiet scroll 2
Coefficient is wiped, running-in time is reduced.And do not have larger-size hard particles at the surface of ceramic layer 3, thus will not be in institute
Local Instantaneous high temperature is produced when stating dynamic vortex part 1 and the progress of quiet scroll 2 cooperation at initial stage, it is to avoid refrigerator oil occur
The problem of carbonization is rotten, it is ensured that compressor operating reliability.
Specifically, the good surface quality of the ceramic layer 3 can be obtained in several ways, for example, passing through adjustment
The reaction condition of differential arc oxidation reaction, so that the ceramic layer 3 that differential arc oxidation reaction is produced has no more than 1 μm of table
Surface roughness, or, sequent surface processing operation is carried out by reacting the ceramic layer 3 produced for differential arc oxidation, so that
Further improve the surface quality of the ceramic layer 3, the operation of described sequent surface processing herein can have a variety of, for example, can be
Polishing, polishing thickness is preferably 2-5 μm, by being controlled to polishing condition, makes the surface roughness of the ceramic layer 3
Ra is not more than 1 μm.Or, as a kind of preferably embodiment, lubricating layer 4 can be set on the surface of the ceramic layer 3, and
The surface roughness Ra of the lubricating layer 4 is set to be not more than 1 μm, to improve the dynamic vortex part 1 and/or the quiet scroll 2
Surface quality.Preferably, the thickness of the lubricating layer 4 is 5-15 μm (see l is marked in Fig. 1).The material of the lubricating layer 4 can be with
Selected according to prior art, it is preferable that the lubricating layer 4 is in silicone layer, polytetrafluoroethylene floor or layer of molybdenum-disulfide
Any one.The silicone layer, polytetrafluoroethylene floor, layer of molybdenum-disulfide have good greasy property and chemistry lazy
Property, and there is good tolerance for hot conditions, structure, property are stable, and service life is longer.
It should be noted that for the part compressor assembly, when the dynamic vortex part 1 and the quiet scroll 2 are equal
By differential arc oxidation handle obtain the ceramic layer 3 when, can only the dynamic vortex part 1 and the quiet scroll 2 wherein it
One surface of the ceramic layer 3 prepares lubricating layer 4, can have while the effect of coefficient of friction of reduction friction at initial stage is reached
Beneficial to saving cost.
As shown in figure 5, the utility model further relates to a kind of scroll compressor, including described scroll compressor unit
Part.The scroll compressor performance is stable, and operational reliability is high, and service life is long.
To illustrate the dynamic vortex part 1 described in the utility model with the ceramic layer 3 and/or the quiet scroll
2 anti-wear performance, by taking the dynamic vortex part 1 as an example, is tested the anti-wear performance of the dynamic vortex part 1, and with other tables
Face processing method is contrasted, i.e. identical test specimen is carried out respectively at hard anodizing, chemical nickel plating processing and differential arc oxidation
Reason, under the conditions of identical friction testing, as shown in fig. 6, the dynamic vortex part 1 that the utility model is provided (passes through differential of the arc oxygen
Change reaction treatment test specimen) wear rate be only 2.5%, significantly less than by hard anodizing handle test specimen wear rate
(37.5%) wear rate (14.4%) of the test specimen and by chemical nickel plating handled.What the utility model was provided has the pottery
The quiet scroll 2 of enamel coating 3 and/or the wear rate of the dynamic vortex part 1 are substantially reduced, and can significantly improve scroll compressor
The reliability and service life of machine.
Operation principle of the present utility model and preferred embodiment is described below：
The technical way and the technique effect of acquirement that the utility model is used for：
1. by one of in the dynamic and static scroll in scroll compressor or the whole or local surfaces of the two are done
Differential arc oxidation processing, forms ceramic layer 3, the wearability of the ceramic layer 3 is splendid, can greatly reduce parts depreciation amount and gradually increases and lead
Cause dynamic and static scroll fit precision to deviate preset value, and cause the problem of compressed gas is revealed, lift the property of integrating compressor
Energy；The minimum service life for extending scroll plate of wear extent of coating, and then the use of whole compressor can be substantially improved simultaneously
Life-span；
Cause ceramic layer 3 worn out 2. avoiding compressor long-term work, the aluminium base exposed and same type aluminium alloy conduct
Adhesive wear is produced when friction is with pair, dynamic and static scroll is killed the phenomenon for ultimately resulting in complete machine failure；
3. greatly reducing dynamic and static scroll surface abrasion amount, the reliability of compressor is drastically increased；
4. coefficient of friction when reducing the surface of ceramic layer 3 with scroll plate break-in in the early stage, throws when by differential arc oxidization surface
Light or surface coat one layer of lubricant coating when, can further reduce the friction system of the break-in at initial stage between dynamic and static scroll
Number, it is to avoid produce Local Instantaneous high temperature so that refrigerator oil occurs rotten and has a strong impact on showing for compressor performance and reliability
As.
A preferred embodiment of the present utility model is：
The characteristics of screw compressor of the present utility model is by the part or all of table of any one in dynamic and static scroll
Face carries out differential arc oxidation processing, and the surface after processing can be polished or coat again one layer of lubricant coating, with the initial stage of reduction
Running-in time, reduction break-in at initial stage when coefficient of friction, avoid refrigerator oil go bad, reduce compressed gas leakage, lifting
Compressor performance and the wear rate for greatly reducing scroll plate, improve the service life of compressor.
As shown in figure 5, by taking automobile-used scroll compressor as an example, the scroll compressor includes case top lid 5, quiet vortex
Part 2, compression chamber, dynamic vortex part 1, housing lower cover 6, upper bracket 7, bent axle 8.
Fine and close ceramic layer 3 obtained by after differential arc oxidation has ultrahigh hardness and is to grow in the original location on base material
Go out, with excellent wearability and good roughness.The material of first main body 11 and second main body 21 is used
Forging or cast aluminium alloy gold, are carried out at differential arc oxidation to first main body 11 and second main body 21 surface of one of them
Reason.
The thickness of the ceramic layer 3 obtained by micro-arc oxidation process described in the utility model scheme be 5-30 microns, it is excellent
Select 10-20 microns.
Dynamic vortex part 1 or quiet scroll 2 described in the utility model scheme, the section Vickers of ceramic layer 3 on surface are micro-
Hardness is not less than 900HV.
In the utility model scheme, propose that the scroll 2 of dynamic vortex part 1 or quiet is polished again after differential arc oxidation in addition
Or in one layer of organosilicon of differential arc oxidization surface resolidification or polytetrafluoroethylene (PTFE) (PTFE) or molybdenum disulfide (MoS2) lubricant coating
One kind, polishing thickness is optimal at 2-5 microns, and the thickness of the lubricating layer 4 of coating is 5-15 microns.
Dynamic vortex part 1 or quiet scroll 2 described in the utility model scheme pass through micro-arc oxidation process or differential arc oxidation
And the surface roughness Ra that post processing is obtained is not more than 1 micron.
To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly
By combination, superposition.
Described above, better embodiment only of the present utility model not does any formal to the utility model
Limitation.Anyone can draw other various forms of products under enlightenment of the present utility model, however, in its shape or knot
Make any change on structure, it is every that there is technical scheme identical or similar to the present application, all fall within protection of the present utility model
Within the scope of.
Claims (11)
1. a kind of scroll compressor thermomechanical components, it is characterised in that including dynamic vortex part (1) and quiet scroll (2)；
The dynamic vortex part (1) includes the first main body (11), and the quiet scroll (2) includes the second main body (21)；Definition is described
The surface relative with second main body (21) is first surface in first main body (11), on second main body (21) with it is described
The relative surface of first main body (11) is second surface；
Ceramic layer (3) is formed by differential arc oxidation processing at the first surface, and/or the second surface, it is described to reduce
The service wear of dynamic vortex part (1) and the quiet scroll (2).
2. scroll compressor thermomechanical components according to claim 1, it is characterised in that
First main body (11) and second main body (21) are made by aluminum alloy materials, and the ceramic layer (3) is alumina
Compound layer.
3. scroll compressor thermomechanical components according to claim 1 or 2, it is characterised in that the thickness of the ceramic layer (3) is
5-30μm。
4. scroll compressor thermomechanical components according to claim 3, it is characterised in that the thickness of the ceramic layer (3) is 10-
20μm。
5. according to claim 1, the scroll compressor thermomechanical components described in 2,4 any one, it is characterised in that the ceramic layer (3)
Section vickers microhardness be not less than 900HV.
6. according to claim 1, the scroll compressor thermomechanical components described in 2,4 any one, it is characterised in that the ceramic layer (3)
Surface roughness be not more than 1 μm.
7. scroll compressor thermomechanical components according to claim 6, it is characterised in that the surface of the ceramic layer (3) is passed through
Polishing, polishing thickness is 2-5 μm.
8. according to claim 1, the scroll compressor thermomechanical components described in 2,4,7 any one, it is characterised in that the ceramic layer
(3) surface is provided with lubricating layer (4), and the surface roughness of the lubricating layer (4) is not more than 1 μm.
9. scroll compressor thermomechanical components according to claim 8, it is characterised in that the thickness of the lubricating layer (4) is 5-
15μm。
10. scroll compressor thermomechanical components according to claim 8, it is characterised in that the lubricating layer (4) is organosilicon
One kind in layer, polytetrafluoroethylene floor or layer of molybdenum-disulfide.
11. a kind of scroll compressor, it is characterised in that including the scroll compressor unit described in claim any one of 1-10
Part.
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| CN201720180717.8U CN206503710U (en) | 2017-02-28 | 2017-02-28 | A kind of scroll compressor thermomechanical components and scroll compressor |
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| CN201720180717.8U CN206503710U (en) | 2017-02-28 | 2017-02-28 | A kind of scroll compressor thermomechanical components and scroll compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762631A (en) * | 2017-02-28 | 2017-05-31 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of scroll compressor thermomechanical components and its manufacture method and scroll compressor |
| CN108412761A (en) * | 2018-04-12 | 2018-08-17 | 河北昊方新能源科技有限公司 | Liquid injection cooling scroll type air compressor |
-
2017
- 2017-02-28 CN CN201720180717.8U patent/CN206503710U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762631A (en) * | 2017-02-28 | 2017-05-31 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of scroll compressor thermomechanical components and its manufacture method and scroll compressor |
| CN108412761A (en) * | 2018-04-12 | 2018-08-17 | 河北昊方新能源科技有限公司 | Liquid injection cooling scroll type air compressor |
| CN108412761B (en) * | 2018-04-12 | 2024-03-01 | 河北昊方新能源科技有限公司 | Spray liquid cooling vortex air compressor |
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