CN204593973U - Oil-return type condenser and air-conditioning system - Google Patents
Oil-return type condenser and air-conditioning system Download PDFInfo
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- CN204593973U CN204593973U CN201520166314.9U CN201520166314U CN204593973U CN 204593973 U CN204593973 U CN 204593973U CN 201520166314 U CN201520166314 U CN 201520166314U CN 204593973 U CN204593973 U CN 204593973U
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- oil
- return type
- separation assembly
- type condenser
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Abstract
The utility model provides a kind of oil-return type condenser and air-conditioning system.This oil-return type condenser comprises housing unit, condensation and oily separation assembly, and described condensation and described oily separation assembly are installed in described housing unit; Described oily separation assembly comprises oil-recovery tank, baffle plate and two filter screens, wherein two symmetrical both sides being arranged on described baffle plate of described filter screen, marginal position on described baffle plate is arranged the first through hole that multiple and described oil-recovery tank communicates, described baffle plate is arranged on the top of described oil-recovery tank, to reach the object that can also ensure refrigerant heat exchange efficiency while ensureing the efficiency that oil is separated.
Description
Technical field
The utility model relates to art of refrigeration units, particularly relates to a kind of oil-return type condenser, and the air-conditioning system containing this oil-return type condenser.
Background technology
Air-conditioning system comprises four large parts: compressor, condenser, evaporimeter and choke valve, compressor adopts helical-lobe compressor usually.The effect of condenser is discharged through the mode of phase transformation by heat entrained by the high pressure superheater refrigerant of being discharged by helical-lobe compressor.And in the refrigerant of being discharged by screw type refrigerating compressor, also carry lubricating oil, because lubricating oil does not evaporate, one deck oil film will be formed on the outer wall of heat exchanger, so just greatly reduce heat-transfer effect and refrigerating efficiency.At present, usually before refrigerant enters condenser, add an oil eliminator, separated from refrigerant before lubricating oil enters condenser, but the production cost of this structure is higher, to occupy space larger, and pressure drop ratio is comparatively large, and the heat exchange efficiency of condenser is also higher.The problems such as space is large are occupied in order to solve, the condenser of the built-in oil content of usual employing, its basic thought is arranged in condenser by oil eliminator, but in some structure existing, some structures only considered the efficiency that oil is separated, make refrigerant enter the speed of condenser uneven, and then cause the heat transfer rate of condenser lower; Also have some structures to only considered the heat exchange efficiency of condenser, but have ignored the efficiency that oil is separated.
Utility model content
Based on this, be necessary the problem of efficiency and the heat exchange efficiency that simultaneously can not ensure in the condenser for existing built-in oil content that oil is separated, there is provided a kind of and not only can improve the efficiency that oil is separated but also the oil-return type condenser improving heat exchange efficiency, and contain the air-conditioning system of this oil-return type condenser.Above-mentioned purpose is achieved through the following technical solutions:
A kind of oil-return type condenser, comprise housing unit, condensation and oily separation assembly, described condensation and described oily separation assembly are installed in described housing unit;
Described oily separation assembly comprises oil-recovery tank, baffle plate and two filter screens, wherein two symmetrical both sides being arranged on described baffle plate of described filter screen, marginal position on described baffle plate is arranged the first through hole that multiple and described oil-recovery tank communicates, described baffle plate is arranged on the top of described oil-recovery tank.
Wherein in an embodiment, described oily separation assembly also comprises two homogenizing plates, and described two homogenizing plates are separately positioned on the inner surface of described filter screen, and each described homogenizing plate is provided with multiple second through hole.
Wherein in an embodiment, described oily separation assembly also comprises the first shrouding and the second shrouding, and described first shrouding and described second shrouding are arranged on the two ends of the described filter screen be oppositely arranged.
Wherein in an embodiment, described oily separation assembly also comprises cover plate, and described cover plate is arranged on the top of described filter screen, and described cover plate, described homogenizing plate, described first shrouding, described second shrouding and described baffle plate are enclosed to form container cavity.
Wherein in an embodiment, described cover plate comprises connecting portion and curved portions, and the two ends of described curved portions are connected with described connecting portion respectively, and described connecting portion is connected with described filter screen, and described curved portions is hung on the top of described filter screen.
Wherein in an embodiment, the cross sectional shape of described oil-recovery tank is V-shape.
Wherein in an embodiment, the angle of described V-shape is 115 ° ~ 135 °.
Wherein in an embodiment, the diameter of the described second through hole marginal position from the center of described homogenizing plate to described homogenizing plate increases gradually.
Wherein in an embodiment, the thickness of described filter screen is 15mm ~ 60mm.
Wherein in an embodiment, be provided with oil return pipe at the two ends of described oil-recovery tank, and described oil return pipe stretches out described housing.
Wherein in an embodiment, described condensation comprises many heat exchanger tubes, described many heat exchanger tubes are arranged in described placement chamber, and described many heat exchanger tubes are distributed in other positions away from described oily separation assembly, and described many heat exchanger tube cross-under are in described gripper shoe.
Wherein in an embodiment, described housing unit comprises housing, the first tube sheet, the second tube sheet and gripper shoe, described first tube sheet and described second tube sheet are separately positioned on the two ends of described housing, and described first tube sheet, described second tube sheet and described housing are enclosed to form the placement chamber holding described condensation and described oily separation assembly, it is indoor that described condensation and described oily separation assembly are arranged on described placed cavity by described gripper shoe.
Also relate to a kind of air-conditioning system, comprise helical-lobe compressor, evaporimeter and the oil-return type condenser as described in above-mentioned arbitrary technical characteristic, described helical-lobe compressor, described oil-return type condenser and described evaporimeter are in turn connected to form loop.
The beneficial effects of the utility model are:
Oil-return type condenser of the present utility model and air-conditioning system, structural design advantages of simple, refrigerant containing lubricating oil enters into oily separation assembly, first clashed into by baffle plate and be separated, be separated by filter screen again, removed the lubricating oil existed in refrigerant by oily separation assembly, the efficiency that oil is separated can be improved; Meanwhile, the refrigerant containing lubricating oil can ensure that by filter screen the refrigerant after being separated can flow out from oily separation assembly with uniform speed, and enters into condensation and contact with heat exchanger tube, improves the heat exchange efficiency of condensation.Meanwhile, condensation and oily separation assembly are installed in housing unit, can also reduce the volume of oil-return type condenser of the present utility model, reduce the pressure drop of oily separation assembly, ensure that oil-return type condenser complete machine structure of the present utility model is simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of the oil-return type condenser of the utility model one embodiment;
The internal structure schematic diagram cut open from side that Fig. 2 is the oil-return type condenser shown in Fig. 1;
Fig. 3 is the structural representation of oily separation assembly in the oil-return type condenser shown in Fig. 2;
Wherein:
1-first hydroecium; 2-first tube sheet; 3-oil return pipe; 4-housing; 5-first shrouding; 6-gripper shoe; 7-refrigerant goes out pipe; 8-pull bar; 9-second shrouding; 10-second tube sheet; 11-second hydroecium; 12-oil-recovery tank; 13-filter screen; 14-homogenizing plate; 15-cover plate; 16-refrigerant inlet pipe; 17-baffle plate; 18-oil separation assembly; 19-heat exchanger tube.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, by the following examples, and by reference to the accompanying drawings, oil-return type condenser of the present utility model and air-conditioning system are further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1 to Fig. 3, the oil-return type condenser of the utility model one embodiment, comprises housing unit, condensation and oily separation assembly 18, and condensation and oily separation assembly 18 are installed in housing unit.In housing unit, placement condensation and oily separation assembly 18 are to reduce the volume of oil-return type condenser of the present utility model.Oily separation assembly 18 in oil-return type condenser of the present utility model is for separating of the refrigerant containing lubricating oil, and the refrigerant after separation cools by condensation again, to ensure the heat exchange efficiency of the efficiency that oil is separated and refrigerant.In the present embodiment, condensation semi-surrounding oil separation assembly 18, and oily separation assembly 18 is positioned at the top of condensation.The oil top of separation assembly 18 contacts with the top of housing unit, condensation is arranged in the below of the inside of housing unit, oil separation assembly 18 is surrounded by condensation away from 3/4ths parts of housing unit, four/part of the close housing unit of oil separation assembly 18 is surrounded by housing unit, to increase the heat exchange area of condensation, directly can contact with condensation after refrigerant like this after being separated flows out from oily separation assembly 18, improve the heat exchange efficiency of condensation.
Wherein, housing unit comprises housing 4, first tube sheet 2, second tube sheet 10, gripper shoe 6, first hydroecium 1 and the second hydroecium 11, first tube sheet 2 and the second tube sheet 10 are separately positioned on the two ends of housing 4, and the first hydroecium 1 is arranged on the first tube sheet 2, and the second hydroecium 11 is arranged on the second tube sheet 10.First tube sheet 2, second tube sheet 10 and housing 4 are enclosed to form the placement chamber holding condensation and oily separation assembly 18, and oily separation assembly 18 is positioned at the position on the upper side, middle part of placement chamber, condensation be arranged on away from housing 4 top oily separation assembly 18 around.Gripper shoe 6 is arranged on placed cavity indoor, can ensure that the position of condensation and oily separation assembly 18 is fixed, can not offset.The top of the outer wall of housing 4 is provided with refrigerant inlet pipe 16, the bottom of the outer wall of housing 4 is provided with refrigerant and goes out pipe 7.
Oil separation assembly 18 comprises oil-recovery tank 12, baffle plate 17 and two filter screens 13.Wherein two filter screen 13 Symmetrical vertical are arranged on the both sides of baffle plate 17, and the marginal position on baffle plate 17 arranges multiple the first through hole be connected with oil-recovery tank 12.Oil-recovery tank 12 is arranged in gripper shoe 6, and baffle plate 17 is arranged on the top of oil-recovery tank 12.Refrigerant containing lubricating oil enters into oil-return type condenser by refrigerant inlet pipe 16, and lubricating oil can be separated from containing the refrigerant of lubricating oil by oily separation assembly 18.Further, oily separation assembly 18 also comprises two homogenizing plates, 14, two homogenizing plates 14 and is separately positioned on the inner surface of filter screen 13, and each homogenizing plate 14 is provided with multiple second through hole.
Refrigerant containing lubricating oil flows into oil-return type condenser from refrigerant inlet pipe 16, is separated by lubricating oil, carry out heat exchange by condensation to refrigerant by oily separation assembly 18 from refrigerant, and refrigerant goes out pipe 7 by refrigerant again and discharges subsequently.The marginal position of baffle plate 17 is provided with multiple first through hole, its objective is: one is the speed that the refrigerant reduced containing lubricating oil enters in oily separation assembly 18, and two is improve oily separative efficiency, is conducive to the lubricating oil after being separated and flows in oil-recovery tank 12.
Further, the top of oil-recovery tank 12 is connected with homogenizing plate 14 and filter screen 13, homogenizing plate 14 can be communicated with oil-recovery tank 12 with filter screen 13, like this after refrigerant and lubricating oil separation, lubricating oil can be under gravity, surface along filter screen 13 or homogenizing plate 14 flows downward, and flows in oil-recovery tank 12.Certainly, the top of oil-recovery tank 12 also can be separated with homogenizing plate 14 and filter screen 13 by baffle plate 17, like this after refrigerant and lubricating oil separation, lubricating oil can be under gravity, surface along filter screen 13 or homogenizing plate 14 flows downward, flow on baffle plate 17, then flow in oil-recovery tank 12 by the first through hole of baffle plate 17 marginal position.
Refrigerant containing lubricating oil enters into the first impingement baffles 17 of oily separation assembly 18 and carries out first time separation, refrigerant after first time is separated shunts both sides flowing to the left and right through baffle plate 17 reflection, and the lubricating oil separated flows to oil-recovery tank 12 by the first through hole of the marginal position of baffle plate 17.The refrigerant homogenizing plate 14 clashed into again on the inner surface being oppositely arranged on filter screen 13 containing lubricating oil after first time is separated carries out second time and is separated.The refrigerant containing lubricating oil after second time is separated clashes into the filter screen 13 be oppositely arranged again and carries out third time separation again, and the cold media gas after being finally separated flows in condensation uniformly.And flow to oil-recovery tank 12 through the lubricating oil that second time is separated and third time separates by Action of Gravity Field, under the effect of pressure differential, lubricating oil flows back to helical-lobe compressor.
Further, condensation comprises many heat exchanger tubes 19, and many heat exchanger tubes 19 are arranged on to be placed in chamber, and many heat exchanger tubes 19 are distributed in other positions away from oily separation assembly 18, and the cross-under of many heat exchanger tubes 19 is in gripper shoe 6.Condensation carries out heat exchange by heat exchanger tube 19 pairs of refrigerants, and many heat exchanger tubes 19 are set in parallel in oily separation assembly 18 around, and the refrigerant flowed out from oily separation assembly 18 contacts with heat exchanger tube 19.Through the heat exchange effect of heat exchanger tube 19, the refrigerant of gaseous state is condensed into liquid and goes out pipe 7 by refrigerant and flow in next refrigerating plant.Condensation and oily separation assembly 18 are installed in housing unit, can also reduce the volume of oil-return type condenser of the present utility model, reduce the pressure drop of oily separation assembly 18, ensure that oil-return type condenser complete machine structure of the present utility model is simple.
In the condenser structure of some built-in oil content existing, some structures only considered the efficiency that oil is separated, and make refrigerant enter the speed of condenser uneven, and then cause the heat transfer rate of condenser lower; Also have some structures to only considered the heat exchange efficiency of condenser, but have ignored the efficiency that oil is separated, the condenser structure of these built-in oil contents can not ensure the heat exchange efficiency of the efficiency that oil is separated and refrigerant simultaneously.Oil-return type condenser of the present utility model is separated containing the lubricating oil in the refrigerant of lubricating oil by oily separation assembly 18, then carries out heat exchange by condensation to refrigerant, while the oily separative efficiency of guarantee, improves the heat exchange efficiency of refrigerant.First clashed into by baffle plate 17 containing the lubricating oil in the refrigerant of lubricating oil and carry out first order separation, clashed into by homogenizing plate 14 again and carry out second time separation, third level separation is carried out finally by filter screen 13, remove by oily separation assembly 18 lubricating oil existed in refrigerant, the efficiency that oil is separated can be improved; Simultaneously, homogenizing plate 14 is arranged on the inner surface of the filter screen 13 be oppositely arranged, refrigerant containing lubricating oil can be flow to uniformly on filter screen 13 after carrying out second level separation by homogenizing plate 14, ensure that the refrigerant after being separated can flow out from oily separation assembly 18 with uniform speed, and enter into condensation and contact with heat exchanger tube 19, improve the heat exchange efficiency of condensation.
Further, housing unit also comprises pull bar 8, is connected between gripper shoe 6 by pull bar 8, accurate to ensure the position between gripper shoe 6, can not offset.Gripper shoe 6 and heat exchanger tube 19 dispose setting mutually, and heat exchanger tube 19 cross-under, in gripper shoe 6, is connected by pull bar 8 between gripper shoe 6.
As a kind of embodiment, oil separation assembly 18 also comprises the first shrouding 5 and the second shrouding 9, first shrouding 5 and the second shrouding 9 are arranged on the two ends of the filter screen 13 be oppositely arranged, first shrouding 5, the filter screen 13 be oppositely arranged and the second shrouding 9 are enclosed to form frame structure, this frame structure is arranged on baffle plate 17, refrigerant containing lubricating oil first contacts with baffle plate 17, then contacts with frame structure.Certainly, if there is not the first shrouding 5 and the second shrouding 9, also can adopt and be connected successively by the filter screen 13 be oppositely arranged head and the tail, the structure forming similar frame structure also can realize the purpose of this utility model.
Further, oil separation assembly 18 also comprises cover plate 15, cover plate 15 is arranged on the top of filter screen 13, and cover plate 15, homogenizing plate 14, first shrouding 5, second shrouding 9 are enclosed to form container cavity with baffle plate 17, stops that the refrigerant containing lubricating oil is overflowed from container cavity by cover plate 15.Certainly, also all can be welded on housing 4 by the top of homogenizing plate 14, first shrouding 5 and the second shrouding 9, like this, partial shell 4, homogenizing plate 14, first shrouding 5, second shrouding 9 also can be enclosed to form container cavity with baffle plate 17, reduce production process, reduce production cost.Again further, cover plate 15 comprises connecting portion and curved portions, and the two ends of curved portions are connected with connecting portion respectively, and connecting portion is connected with filter screen 13, and curved portions is hung on the top of filter screen 13.In order to ensure that the installation site of oily separation assembly 18 can not offset, can also be welded on the top of housing 4 by cover plate 15, namely curved portions is welded on the surface of housing 4.The cross sectional shape of curved portions is linear, arc line shaped or shaped form etc.In the utility model, the cross sectional shape of curved portions is arc line shaped, can play the effect of buffer gas flow, can also increase the volume of container cavity simultaneously.
As a kind of embodiment, the cross sectional shape of oil-recovery tank 12 is V-shape.Further, the angle of V-shape is 115 ° ~ 135 °.The bottom welding of oil-recovery tank 12 is in gripper shoe 6, baffle plate 17 is installed at the top of oil-recovery tank 12, from being slipped in oil-recovery tank 12 containing the lubricating oil separated the refrigerant of lubricating oil by the first through hole of baffle plate 17 marginal position, cross sectional shape is the flowing that the oil-recovery tank 12 of V-shape can be convenient to lubricating oil.Further, be provided with oil return pipe 3 at the two ends of oil-recovery tank 12, and oil return pipe 3 stretches out housing 4.Be separated the lubricating oil separated with third time and flow to oil-recovery tank 12 through first time separation, second time by Action of Gravity Field, under the effect of pressure differential, lubricating oil flows back in helical-lobe compressor by oil return pipe 3, raising oil return efficiency.
As a kind of embodiment, the diameter of the second through hole marginal position from the center of homogenizing plate 14 to homogenizing plate 14 increases gradually.On homogenizing plate 14, the area of all second through holes accounts for 60% ~ 80% of homogenizing plate 14 area, can reduce the resistance that refrigerant is subject to like this, ensures the flowing velocity of refrigerant.The excursion of the diameter of the second through hole is 4mm ~ 16mm.The diameter of the second through hole changes the efficiency that the oil that contributes to improving oily separation assembly 18 is separated, and can also ensure that the flow velocity of the refrigerant flowed out from oily separation assembly 18 is more even simultaneously, ensure the heat exchange efficiency of refrigerant in condensation.Again further, the thickness of filter screen 13 is 15mm ~ 60mm, to ensure the effect that oil is separated.
Air-conditioning system of the present utility model, comprise helical-lobe compressor, evaporimeter and the oil-return type condenser as described in above-mentioned arbitrary technical characteristic, helical-lobe compressor, oil-return type condenser and evaporimeter are in turn connected to form loop, by oil-return type condenser, the refrigerant containing lubricating oil that helical-lobe compressor is discharged is carried out to the heat exchange of oil separation and refrigerant, improve the refrigeration of air-conditioning system.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (13)
1. an oil-return type condenser, is characterized in that, comprises housing unit, condensation and oily separation assembly (18), and described condensation and described oily separation assembly (18) are installed in described housing unit;
Described oily separation assembly (18) comprises oil-recovery tank (12), baffle plate (17) and two filter screens (13), wherein two described filter screen (13) symmetries are arranged on the both sides of described baffle plate (17), marginal position on described baffle plate (17) is arranged the first through hole that multiple and described oil-recovery tank (12) communicates, described baffle plate (17) is arranged on the top of described oil-recovery tank (12).
2. oil-return type condenser according to claim 1, it is characterized in that, described oily separation assembly (18) also comprises two homogenizing plates (14), described two homogenizing plates (14) are separately positioned on the inner surface of described filter screen (13), and each described homogenizing plate (14) is provided with multiple second through hole.
3. oil-return type condenser according to claim 2, it is characterized in that, described oily separation assembly (18) also comprises the first shrouding (5) and the second shrouding (9), and described first shrouding (5) and described second shrouding (9) are arranged on the two ends of the described filter screen (13) be oppositely arranged.
4. oil-return type condenser according to claim 3, it is characterized in that, described oily separation assembly (18) also comprises cover plate (15), described cover plate (15) is arranged on the top of described filter screen (13), and described cover plate (15), described homogenizing plate (14), described first shrouding (5), described second shrouding (9) and described baffle plate (17) are enclosed to form container cavity.
5. oil-return type condenser according to claim 4, it is characterized in that, described cover plate (15) comprises connecting portion and curved portions, the two ends of described curved portions are connected with described connecting portion respectively, described connecting portion is connected with described filter screen (13), and described curved portions is hung on the top of described filter screen (13).
6. oil-return type condenser according to claim 1, is characterized in that, the cross sectional shape of described oil-recovery tank (12) is V-shape.
7. oil-return type condenser according to claim 6, is characterized in that, the angle of described V-shape is 115 ° ~ 135 °.
8. oil-return type condenser according to claim 2, is characterized in that, the diameter of the described second through hole marginal position from the center of described homogenizing plate (14) to described homogenizing plate (14) increases gradually.
9. oil-return type condenser according to claim 1, is characterized in that, the thickness of described filter screen (13) is 15mm ~ 60mm.
10. oil-return type condenser according to claim 1, is characterized in that, is provided with oil return pipe (3) at the two ends of described oil-recovery tank (12), and described oil return pipe (3) stretches out described housing (4).
11. oil-return type condensers according to any one of claim 1 to 10, it is characterized in that, described condensation comprises many heat exchanger tubes (19), described many heat exchanger tubes (19) are arranged in described placement chamber, and described many heat exchanger tubes (19) are distributed in other positions away from described oily separation assembly (18), the cross-under of described many heat exchanger tubes (19) is in described gripper shoe (6).
12. oil-return type condensers according to claim 11, it is characterized in that, described housing unit comprises housing (4), first tube sheet (2), second tube sheet (10) and gripper shoe (6), described first tube sheet (2) and described second tube sheet (10) are separately positioned on the two ends of described housing (4), and described first tube sheet (2), described second tube sheet (10) and described housing (4) are enclosed to form the placement chamber holding described condensation and described oily separation assembly (18), it is indoor that described condensation and described oily separation assembly (18) are arranged on described placed cavity by described gripper shoe (6).
13. 1 kinds of air-conditioning systems, is characterized in that, comprise helical-lobe compressor, evaporimeter and the oil-return type condenser as described in any one of claim 1 to 12, and described helical-lobe compressor, described oil-return type condenser and described evaporimeter are in turn connected to form loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166314.9U CN204593973U (en) | 2015-03-23 | 2015-03-23 | Oil-return type condenser and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166314.9U CN204593973U (en) | 2015-03-23 | 2015-03-23 | Oil-return type condenser and air-conditioning system |
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| CN204593973U true CN204593973U (en) | 2015-08-26 |
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| CN201520166314.9U Withdrawn - After Issue CN204593973U (en) | 2015-03-23 | 2015-03-23 | Oil-return type condenser and air-conditioning system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104729159A (en) * | 2015-03-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Oil return type condenser and air conditioning system |
| CN105387652A (en) * | 2015-11-26 | 2016-03-09 | 珠海格力电器股份有限公司 | Liquid homogenizing board for flooded evaporator and flooded evaporator |
| CN106151048A (en) * | 2016-08-29 | 2016-11-23 | 四川齐飞铝业有限公司 | A kind of separation chiller for aluminium section bar processing compressed air source unit |
| CN106151045A (en) * | 2016-08-29 | 2016-11-23 | 四川齐飞铝业有限公司 | Aluminium section bar processing source of the gas auxiliary cooler in air compressor |
| CN106194752A (en) * | 2016-08-29 | 2016-12-07 | 四川齐飞铝业有限公司 | A kind of synchronization for air compressor machine is separating of oil and chiller |
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2015
- 2015-03-23 CN CN201520166314.9U patent/CN204593973U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729159A (en) * | 2015-03-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Oil return type condenser and air conditioning system |
| CN105387652A (en) * | 2015-11-26 | 2016-03-09 | 珠海格力电器股份有限公司 | Liquid homogenizing board for flooded evaporator and flooded evaporator |
| CN105387652B (en) * | 2015-11-26 | 2018-03-20 | 珠海格力电器股份有限公司 | The liquid-distributing plate and flooded evaporator of flooded evaporator |
| CN106151048A (en) * | 2016-08-29 | 2016-11-23 | 四川齐飞铝业有限公司 | A kind of separation chiller for aluminium section bar processing compressed air source unit |
| CN106151045A (en) * | 2016-08-29 | 2016-11-23 | 四川齐飞铝业有限公司 | Aluminium section bar processing source of the gas auxiliary cooler in air compressor |
| CN106194752A (en) * | 2016-08-29 | 2016-12-07 | 四川齐飞铝业有限公司 | A kind of synchronization for air compressor machine is separating of oil and chiller |
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Granted publication date: 20150826 Effective date of abandoning: 20170606 |