CN104214096B - Screw compressor and oil separation barrel part thereof - Google Patents
Screw compressor and oil separation barrel part thereof Download PDFInfo
- Publication number
- CN104214096B CN104214096B CN201410404898.9A CN201410404898A CN104214096B CN 104214096 B CN104214096 B CN 104214096B CN 201410404898 A CN201410404898 A CN 201410404898A CN 104214096 B CN104214096 B CN 104214096B
- Authority
- CN
- China
- Prior art keywords
- oil
- oil content
- content barrel
- helical
- exhaustor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000926 separation method Methods 0.000 title claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 145
- 210000003205 muscle Anatomy 0.000 claims description 39
- 108010068370 Glutens Proteins 0.000 claims description 25
- 235000021312 gluten Nutrition 0.000 claims description 25
- 239000010725 compressor oil Substances 0.000 claims description 4
- 210000003041 ligament Anatomy 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 210000003437 trachea Anatomy 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a screw compressor and an oil distribution barrel component thereof. This oil drum part includes: the end part of the oil separation barrel is provided with an end cover; the oil separation filter screen is arranged in the oil separation barrel, and a separation cavity is formed between the oil separation filter screen and the end cover; the flow guide assembly isolates the separation cavity into an upper part and a lower part, and an isolation cavity for accommodating an exhaust pipe is also arranged in the flow guide assembly; the flow guide assembly is used for giving a centrifugal speed to the airflow when the airflow discharged by the exhaust pipe leaves the flow guide assembly so as to facilitate oil-gas separation, and the separated refrigeration oil flows into the oil containing cavity through a gap between the oil separating barrel and the oil separating filter screen. According to the oil drum part, the separated refrigeration oil can be prevented from being disturbed by the airflow, and the problems of poor oil separation effect and unstable oil level can be prevented.
Description
Technical field
The present invention relates to helical-lobe compressor, more particularly to a kind of helical-lobe compressor and its oil of employing guiding valve regulation load
Bucket portion part.
Background technology
Helical-lobe compressor generally carries out Load Regulation using guiding valve.In helical-lobe compressor, guiding valve is moving component, is
Ensure its stable operation, it is normal in design that guiding valve is arranged in into rotor lower section.However, the arrangement of this underlying guiding valve, often
Bring a new problem.Because guiding valve is underlying, have to be located at lower section positioned at the air vent of aerofluxuss bearing block.Exhaustor is discharged
Gas, through oil filter screen isolate gas carrying refrigeration oil, then Jing stop valves discharge compressor.Due to compressor oil
Point bottom of the barrel has a refrigeration oil isolated, too low exhaustor expellant gas, can disturb it is separated go out refrigeration oil, make oil
Separating effect is deteriorated, oil level is unstable, or even makes compressor oil-supplying difficult
In prior art, aerofluxuss height is improved generally by bend pipe so as to avoid aerofluxuss from disturbing oil level, if curved
Pipe is integrally formed with cavity, then compressor arrangement can be caused to become complicated, and manufacture is more difficult, if being separately provided bend pipe, by
Cannot effectively fix in bend pipe, easily bring noise.
In addition, in order to the refrigeration oil for preventing oil bottom of the barrel is splashed, also leakproof oil gluten is installed in oil filter screen side
, this leakproof oil gluten is cantilever design, it is easy to cause vibrations noise.
The content of the invention
In view of the foregoing defects the prior art has, the invention provides a kind of oil content barrel part of helical-lobe compressor, makes
Helical-lobe compressor is isolated with refrigeration oil deposition space, so as to avoid flow perturbation it is separated go out refrigeration oil, prevent out
Existing separating of oil effect is deteriorated, the problem that oil level is unstable.
To solve above-mentioned technical problem, the invention provides a kind of oil content barrel part of helical-lobe compressor, including：Oil
Bucket, the end of the oil content barrel is provided with end cap；Oil filter screen, is arranged in the oil content barrel, and the shape between the end cap
Into disengagement chamber；Disengagement chamber is isolated into upper and lower two parts by guiding subassembly, the guiding subassembly, is additionally provided with the guiding subassembly
Accommodate the separate cavities of exhaustor；The guiding subassembly is used to give air-flow one when the air-flow of exhaustor discharge leaves guiding subassembly
Centrifugal speed.
Preferably, the guiding subassembly includes：Arc baffle muscle, is arranged on the separation intracavity, and one end is fixedly connected
On the medial wall of the oil content barrel, separate cavities are formed between the arc baffle muscle and the medial wall of the oil content barrel, it is described
The mouth of pipe of exhaustor is arranged corresponding to the separate cavities；Leakproof oil gluten, is arranged on the bottom of the disengagement chamber, and one end is fixedly connected on
On the medial wall of the oil content barrel, the other end is fixedly connected on the lateral wall away from the exhaustor of the arc baffle muscle
On.
Preferably, the guiding subassembly is also including the fuisw rib of arc, the connection end arc of the fuisw rib is connected to
The free end of the arc baffle muscle, the free end of the fuisw rib is oppositely extending along the bearing of trend of the arc baffle muscle.
Preferably, the fuisw rib is arranged concentrically with the oil content barrel.
Preferably, the fuisw rib is arranged concentrically with the oil content barrel, and it is tangent in arc baffle muscle.
Preferably, line between the terminal of the fuisw rib free end and the oil content barrel center of circle with from the oil
Angle between the straight line that the bucket center of circle extends straight down is 60 to 120 °.
Preferably, line between the terminal of the fuisw rib free end and the oil content barrel center of circle with from the oil
Angle between the straight line that the bucket center of circle extends straight down is 90 °.
Preferably, the exhaustor extend out to the isolation intracavity, the arc baffle muscle is concentric with the exhaustor
Arrange, and the arc baffle muscle coordinates with the aerofluxuss ligament.
Preferably, the diameter of the arc baffle muscle 9～20mm bigger than the diameter of the exhaustor.
Preferably, the leakproof oil gluten is horizontally disposed, and the leakproof oil gluten is identical with the arc baffle muscle centre-height.
Preferably, the leakproof oil gluten away from 0.25 that the oil content barrel inwall ultimate range is the oil content barrel internal diameter～
0.3 times.
Preferably, being provided with oil-gap between the leakproof oil gluten and the oil filter screen.
Using embodiments of the invention, because disengagement chamber is isolated into upper and lower two parts, the water conservancy diversion by the guiding subassembly
The separate cavities for accommodating exhaustor are additionally provided with component when the gas in exhaustor is discharged, can be entered and be isolated intracavity, and
Isolation intracavity flows along the guiding of guiding subassembly, and so as to avoid air-flow from flowing downward to the refrigeration oil of sub-department freezing is disturbed
Oil, while guiding subassembly is used to give the centrifugal speed of air-flow one when the air-flow of exhaustor discharge leaves guiding subassembly, can make
Air-flow enhances oil effect along oil content barrel circumferential flow.Leakproof oil gluten two ends are fixedly connected with, and non-cantilever is arranged, it is also possible to
It is prevented effectively from the noise that vibrations are produced.
Description of the drawings
Fig. 1 is the oil content barrel internal structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the oil content barrel modular construction schematic diagram of the embodiment of the present invention；
Fig. 3 is the compressor oil content barrel end profile of the embodiment of the present invention.
Description of reference numerals：
1st, leakproof oil gluten；2nd, arc baffle muscle；3rd, fuisw rib；4th, oil content barrel；401st, end cap；402nd, disengagement chamber；403rd, isolate
Chamber；5th, exhaustor；6th, oil filter screen；7th, discharge line valve.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail with specific embodiment, but not as the limit to the present invention
It is fixed.
Fig. 1 is the oil content barrel internal structure schematic diagram of the embodiment of the present invention, and Fig. 2 is the oil tub assembly of the embodiment of the present invention
Structural representation, Fig. 3 is the compressor oil content barrel end profile of the embodiment of the present invention.As shown in Figure 1, Figure 2 and Figure 3, this enforcement
The oil content barrel part of the helical-lobe compressor that example is provided, including：Oil content barrel 4, the end of oil content barrel 4 is provided with end cap 401；Oil is filtered
Net 6, is arranged in the oil content barrel 4, and disengagement chamber 402 is formed between end cap 401；Guiding subassembly, guiding subassembly will be separated
Chamber 402 is isolated into upper and lower two parts, and the separate cavities 403 for accommodating exhaustor 5 are additionally provided with guiding subassembly；Guiding subassembly is used for
The air-flow that exhaustor 5 is discharged gives the centrifugal speed of air-flow one when leaving guiding subassembly；Exhaustor 5 is located on oil filter screen 6；Lead
Stream component includes arc baffle muscle 2 and leakproof oil gluten 1, and arc baffle muscle 2 is arranged in disengagement chamber 402, and one end is fixedly connected on oil
Divide on the medial wall of bucket 4, separate cavities 403, the isolation are formed between arc baffle muscle 2 and the medial wall of leakproof oil gluten 1 and oil content barrel 4
The opening upwards in chamber 403, the mouth of pipe of exhaustor 5 is arranged corresponding to separate cavities 403；Leakproof oil gluten 1, under being arranged on disengagement chamber 402
Portion, one end is fixedly connected on the medial wall of oil content barrel 4, the other end be fixedly connected on arc baffle muscle 2 away from the aerofluxuss
On the lateral wall of pipe 5, so as to form the appearance oil pocket for accommodating the refrigeration oil isolated.Leakproof oil gluten 1 was provided with oil with oil filter screen 6
Gap.
The oil content barrel part of the helical-lobe compressor of the present embodiment, increased respectively rib leakproof oil gluten 1 inside oil content barrel 4,
Arc baffle muscle 2 and fuisw rib 3, wherein leakproof oil gluten 1 are used to prevent the refrigeration oil of the bottom of flow perturbation oil content barrel 4；Arc baffle
Muscle 2 is docked with the exhaustor of compressor, and the refrigeration oil deposited for preventing exhaustor expellant gas from flowing directly into is located
Position；Fuisw rib 3 is used to guide aerofluxuss to flow up, and makees centrifugal annular flow along oil content barrel wall, so as to
So that preferable Oil-gas Separation is realized in aerofluxuss.Along the axial direction of oil content barrel 4 between the leakproof oil gluten 1 and oil filter screen 6 of oil content barrel 4
There is certain interval, enter can the bottom that the refrigeration oil that isolated flows through the gap to oil content barrel 4 and hold in oil pocket.The embodiment party
Aerofluxuss flow process is in case：Air-flow Jing exhaustors 5 are discharged, and initially enter arc baffle muscle 2 and leakproof oil gluten 1 with oil content barrel 4
The separate cavities 403 formed between inwall, then inwall of the guide functions of Jing arcs baffle muscle 2 and fuisw rib 3 along oil content barrel 4
Flowing, forms centrifugation, and flows to the other parts of disengagement chamber 402, here mistake from the upper opening of separate cavities 403
Air-flow realizes that gas and oil is separated in journey, and air current flow clashes into leakproof oil gluten 1 equally certain oil effect, and air-flow extends axially through oil
During filter screen 6, the gap between the refrigeration oil Jing oil content barrel 4 isolated and oil filter screen 6 flows into appearance oil pocket, and air-flow then passes through
Jing discharge line valves 7 are discharged after oil filter screen 6.
In preferred embodiment, setting fuisw rib 3 is arc, and the connection end arc of fuisw rib 3 is connected to arc baffle muscle 2
Free end, the bearing of trend of the free end of fuisw rib 3 arcuately baffle muscle 2 is oppositely extending.Air-flow Jing exhaustors 5 are discharged, and are led to
Cross arc baffle muscle 2 and face upwards flowing along oil content barrel circumferential wall into disengagement chamber 402, then Jing fuisw ribs 3, because fuisw rib 3 is
Arc, air-flow is obtained in that centrifugal speed when fuisw rib 3 is left, and so as to produce certain rotation point separating effect, is dividing air-flow
Move in a circle along cavity wall in chamber 402, be convenient for gas and oil separation, while, moreover it is possible to the motion of specification air-flow, it is unlikely to produce
Turbulent flow, reduces noise.
Preferably, fuisw rib 3 is with the axle center of oil content barrel 4 as the center of circle；Fuisw rib 3 is tangent with arc baffle muscle 2；Fuisw rib 3
Between line between the terminal of free end and the center of circle of oil content barrel 4 and the straight line that extends straight down from the center of circle of oil content barrel 4
Angle be 60 to 120 °, it is preferable that the angle is 90 °.To ensure that air-flow is preferably rotated along the bucket wall of oil content barrel 4,
Higher centrifugal force is produced, to reach the separating of oil effect of more air.
In preferred embodiment, exhaustor 5 is extend out in separate cavities 403, and arc baffle muscle 2 is arranged concentrically with exhaustor 5,
And arc baffle muscle 2 coordinates with the gap of exhaustor 5.
In preferred embodiment, the diameter 9～20mm bigger than the diameter of exhaustor 5 of arc baffle muscle 2.Further embodiment,
The diameter of arc baffle muscle 2 10mm bigger than the diameter of exhaustor 5.To ensure that the vibrations of exhaustor 5 are not transferred to oil content barrel 4, keep away
Exempt to produce vibrating noise.
Preferably, leakproof oil gluten 1 is horizontally disposed with, and leakproof oil gluten 1 is identical with arc baffle 2 centre-heights of muscle.Leakproof oil gluten 1 is away from oil
Divide the inwall ultimate range of bucket 4 for 0.25～0.3 times of the internal diameter of oil content barrel 4, while satisfaction possesses and holds oil pocket enough, as far as possible
Big provides the detached disengagement chamber 402 of gas and oil.
The present embodiment gives a kind of helical-lobe compressor, the compressor possess covered in embodiment any one
Oil content barrel part.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, the same or similar part of each embodiment is cross-referenced.
Certainly, the above is the preferred embodiment of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (11)
1. the oil content barrel part of a kind of helical-lobe compressor, it is characterised in that include：
Oil content barrel, the end of the oil content barrel is provided with end cap；
Oil filter screen, is arranged in the oil content barrel, and forms disengagement chamber between the end cap；
The disengagement chamber is isolated into upper and lower two parts by guiding subassembly, the guiding subassembly, is additionally provided with the guiding subassembly
The separate cavities of exhaustor are accommodated, the exhaustor is located on the oil filter screen；
The guiding subassembly gives the air-flow one and speed is centrifuged when leaving guiding subassembly for the air-flow discharged in the exhaustor
Degree,
Wherein, the guiding subassembly includes：
Arc baffle muscle, is arranged on the separation intracavity, and one end is fixedly connected on the medial wall of the oil content barrel, the arc
The separate cavities are formed between the medial wall of baffle muscle and the oil content barrel, the mouth of pipe of the exhaustor corresponds to the separate cavities
Arrange；
Leakproof oil gluten, is arranged on the bottom of the disengagement chamber, and one end is fixedly connected on the medial wall of the oil content barrel, and the other end is solid
Surely it is connected on the lateral wall away from the exhaustor of the arc baffle muscle,
Also including the fuisw rib of arc, the connection end arc of the fuisw rib is connected to the arc baffle muscle to the guiding subassembly
Free end, the free end of the fuisw rib is oppositely extending along the bearing of trend of the arc baffle muscle.
2. the oil content barrel part of helical-lobe compressor according to claim 1, it is characterised in that the fuisw rib and the oil
Bucket is divided to be arranged concentrically.
3. the oil content barrel part of helical-lobe compressor according to claim 2, it is characterised in that the fuisw rib and the arc
Shape baffle muscle is tangent.
4. the oil content barrel part of helical-lobe compressor according to claim 1, it is characterised in that the fuisw rib free end
Angle between line between terminal and the oil content barrel center of circle and the straight line that extends straight down from the oil content barrel center of circle
For 60 to 120 °.
5. the oil content barrel part of helical-lobe compressor according to claim 4, it is characterised in that the fuisw rib free end
Angle between line between terminal and the oil content barrel center of circle and the straight line that extends straight down from the oil content barrel center of circle
For 90 °.
6. the oil content barrel part of helical-lobe compressor according to any one of claim 1 to 5, it is characterised in that the row
Trachea extend out to the isolation intracavity, and the arc baffle muscle is arranged concentrically with the exhaustor, and the arc baffle muscle with
The aerofluxuss ligament coordinates.
7. the oil content barrel part of helical-lobe compressor according to claim 6, it is characterised in that the arc baffle muscle it is straight
Footpath 9～20mm bigger than the diameter of the exhaustor.
8. the oil content barrel part of helical-lobe compressor according to claim 6, it is characterised in that the leakproof oil gluten level sets
Put, and the leakproof oil gluten is identical with the arc baffle muscle centre-height.
9. the oil content barrel part of helical-lobe compressor according to claim 7, it is characterised in that the leakproof oil gluten is away from the oil
Point bucket inwall ultimate range is 0.25～0.3 times of the oil content barrel internal diameter.
10. the oil content barrel part of helical-lobe compressor according to any one of claim 1 to 4, it is characterised in that the gear
Oil-gap was provided between oily muscle and the oil filter screen.
A kind of 11. helical-lobe compressors, including oil content barrel part, it is characterised in that the oil content barrel part is claim 1 to 10
Any one of helical-lobe compressor oil content barrel part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410404898.9A CN104214096B (en) | 2014-08-15 | 2014-08-15 | Screw compressor and oil separation barrel part thereof |
| PCT/CN2014/095092 WO2016023318A1 (en) | 2014-08-15 | 2014-12-26 | Screw compressor and oil-separating barrel component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410404898.9A CN104214096B (en) | 2014-08-15 | 2014-08-15 | Screw compressor and oil separation barrel part thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214096A CN104214096A (en) | 2014-12-17 |
| CN104214096B true CN104214096B (en) | 2017-04-12 |
Family
ID=52095911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410404898.9A Active CN104214096B (en) | 2014-08-15 | 2014-08-15 | Screw compressor and oil separation barrel part thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104214096B (en) |
| WO (1) | WO2016023318A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214096B (en) * | 2014-08-15 | 2017-04-12 | 珠海格力电器股份有限公司 | Screw compressor and oil separation barrel part thereof |
| CN105771522A (en) * | 2016-05-06 | 2016-07-20 | 苏州强时压缩机有限公司 | Oil-gas separation device |
| DE102016011444A1 (en) * | 2016-09-21 | 2018-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Arrangement for a screw compressor of a commercial vehicle |
| CN116221123B (en) * | 2023-02-22 | 2024-04-19 | 广东标顶技术股份有限公司 | Coarse-separation barrel cover of air compressor |
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|---|---|---|---|---|
| CN101334034A (en) * | 2007-06-29 | 2008-12-31 | 上海汉钟精机股份有限公司 | Semi-closed screw type refrigerating compressor two stage type oil and gas separator |
| CN102235362A (en) * | 2010-04-26 | 2011-11-09 | 上海维尔泰克螺杆机械有限公司 | Jacketed wall constructed oil separation cylinder |
| CN202056057U (en) * | 2011-01-20 | 2011-11-30 | 上海康可尔压缩机有限公司 | Oil-gas separating unit of outer rotor permanent magnet screw compressor |
| CN202483881U (en) * | 2011-12-29 | 2012-10-10 | 南京天加重工冷冻设备有限公司 | Oil separating device quickening oil-gas separation |
| CN204175598U (en) * | 2014-08-15 | 2015-02-25 | 珠海格力电器股份有限公司 | Screw compressor and oil separation barrel part thereof |
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| US5947711A (en) * | 1997-04-16 | 1999-09-07 | Gardner Denver Machinery, Inc. | Rotary screw air compressor having a separator and a cooler fan assembly |
| GB2404602A (en) * | 2003-08-01 | 2005-02-09 | Compair Uk Ltd | System of protecting compressor from water in lubricating oil |
| JP4970902B2 (en) * | 2006-10-31 | 2012-07-11 | サンデン株式会社 | Scroll compressor |
| CN202100461U (en) * | 2011-05-17 | 2012-01-04 | 珠海格力电器股份有限公司 | High-temperature screw type refrigeration compressor suitable for high-temperature working condition |
| CN202560558U (en) * | 2012-04-16 | 2012-11-28 | 无锡市制冷设备厂有限责任公司 | Screw compressor |
| CN103486042B (en) * | 2012-06-13 | 2016-06-08 | 珠海格力电器股份有限公司 | Rotary oil-gas separator |
| JP5863609B2 (en) * | 2012-09-24 | 2016-02-16 | 日立アプライアンス株式会社 | Screw compressor and chiller unit including the same |
| CN203756533U (en) * | 2014-02-18 | 2014-08-06 | 珠海格力电器股份有限公司 | filter screen fixing device and screw compressor |
| CN203717343U (en) * | 2014-02-21 | 2014-07-16 | 珠海格力电器股份有限公司 | Screw type water chilling unit and screw compressor |
| CN104214096B (en) * | 2014-08-15 | 2017-04-12 | 珠海格力电器股份有限公司 | Screw compressor and oil separation barrel part thereof |
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2014
- 2014-08-15 CN CN201410404898.9A patent/CN104214096B/en active Active
- 2014-12-26 WO PCT/CN2014/095092 patent/WO2016023318A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334034A (en) * | 2007-06-29 | 2008-12-31 | 上海汉钟精机股份有限公司 | Semi-closed screw type refrigerating compressor two stage type oil and gas separator |
| CN102235362A (en) * | 2010-04-26 | 2011-11-09 | 上海维尔泰克螺杆机械有限公司 | Jacketed wall constructed oil separation cylinder |
| CN202056057U (en) * | 2011-01-20 | 2011-11-30 | 上海康可尔压缩机有限公司 | Oil-gas separating unit of outer rotor permanent magnet screw compressor |
| CN202483881U (en) * | 2011-12-29 | 2012-10-10 | 南京天加重工冷冻设备有限公司 | Oil separating device quickening oil-gas separation |
| CN204175598U (en) * | 2014-08-15 | 2015-02-25 | 珠海格力电器股份有限公司 | Screw compressor and oil separation barrel part thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214096A (en) | 2014-12-17 |
| WO2016023318A1 (en) | 2016-02-18 |
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