CN101180507A - Compressor assembly with controlled lubricant recovery - Google Patents
Compressor assembly with controlled lubricant recovery Download PDFInfo
- Publication number
- CN101180507A CN101180507A CNA2005800483985A CN200580048398A CN101180507A CN 101180507 A CN101180507 A CN 101180507A CN A2005800483985 A CNA2005800483985 A CN A2005800483985A CN 200580048398 A CN200580048398 A CN 200580048398A CN 101180507 A CN101180507 A CN 101180507A
- Authority
- CN
- China
- Prior art keywords
- lubricant
- evaporimeter
- mixture
- compressor
- reclaim
- 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.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 76
- 238000011084 recovery Methods 0.000 title claims description 10
- 239000000203 mixture Substances 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000003507 refrigerant Substances 0.000 claims abstract description 10
- 230000000153 supplemental effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000006200 vaporizer Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/01—Heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2515—Flow valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2105—Oil temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Lubricants (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A compressor system with controlled lubricant reclaim includes a compressor circuit having a compressor, a condenser, and an evaporator connected by refrigerant flow line; a lubricant circuit for circulating lubricant to the compressor; a reclaim vaporizer adapted to heat a refrigerant-lubricant mixture from the evaporator whereby the mixture is heated and lubricant and refrigerant are separated to provide reclaimed lubricant to the lubricant circuit and reclaimed refrigerant to the compressor circuit; and a control unit adapted to control flow of the mixture from the evaporator to the reclaim vaporizer based upon temperature of the mixture from the evaporator and temperature of reclaimed lubricant leaving the reclaim evaporator. Methods are also provided.
Description
Technical field
The present invention relates to compressor assembly, and more specifically the present invention relates to this system is carried out the system and method that controlled lubricant reclaims.
Background technology
Compressor, screw compressor for example, be comprise in the various application of water cooler for example normally used.
Typical compressor need oil to lubricate between the rotor and rotor and adjacent stationary components (for example housing and end plate etc.) between bearing, sealing, gap.
The bearing load bearing capacity depends on oily viscosity greatly.In addition, You sealing characteristics depends on viscosity.
Provide this oil lubricated and sealing typically to cycle through system with cold-producing medium.The oil of carrying cold-producing medium secretly passes through system from the compressor cycle discharge.
Separate and recycle this oil to keep acceptable oily viscosity simultaneously be urgent need in this industry.
Therefore, main purpose of the present invention provides a kind of system and method, finishes and keep the recovery of oil and the levels of adhesion of expectation thus effectively.
Below will know other purposes of the present invention and advantage.
Summary of the invention
According to the present invention, above-mentioned purpose and advantage easily realize.
According to the present invention, a kind of compressor assembly that controlled lubricant reclaims that has is provided, this system comprises: compressor loop comprises the compressor, condenser and the evaporimeter that connect by the flow of refrigerant pipeline; Be used for the lubricant circuit of circulating lubricating agent to compressor; Reclaim evaporimeter, be suitable for heating the refrigerant-lubricant mixture of coming flash-pot, thus this mixture be heated and lubricant and cold-producing medium separated, reclaim lubricant to lubricant circuit with reclaim cold-producing medium to provide to compressor loop; And control module, be suitable for controlling from evaporimeter to the mixing logistics that reclaims evaporimeter with the temperature of leaving the recovery lubricant that reclaims evaporimeter based on the temperature of the mixture that comes flash-pot.
Further according to the present invention, a kind of method that is used for controlling the reclaim of lubricant of compressor assembly is provided, this method may further comprise the steps: operation comprises the compressor loop of compressor, condenser and evaporimeter and is used for the lubricant circuit of circulating lubricating agent to compressor, so that the refrigerant-lubricant mixture of leaving evaporimeter to be provided; In reclaiming evaporimeter, mixture is exposed to heat, to provide the recovery lubricant to arrive lubricant circuit and to reclaim cold-producing medium to compressor loop; Control to the flow rate of mixture that reclaims evaporimeter with temperature with the temperature of leaving the recovery lubricant that reclaims evaporimeter based on the mixture that leaves evaporimeter.
Be exposed to hot speed by the control refrigerant-lubricant mixture, advantageously realized obtaining the control of lubricant viscosity.
Description of drawings
The detailed description of the preferred embodiment of the present invention is provided with reference to the accompanying drawings, in the accompanying drawing:
Fig. 1 indicative icon system and a method according to the invention.
The specific embodiment
The present invention relates to be used for the system and method for the controlled recovery of lubricant (for example oil of compressor assembly), can control and keep the acquisition viscosity of oil thus.
Fig. 1 shows according to system 10 of the present invention.This fundamental system that does not have supplementary features disclosed by the invention is the theme that licensed to common all U.S. Patent No.s 6,672,102 of people such as Huenniger on January 6th, 2004.This patent is contained in this by reference.
With reference to Fig. 1, system 10 comprises compressor loop herein, and this compressor loop comprises compressor 12, condenser 14 and the evaporimeter 16 that is connected by refrigerant line 18,20, makes cold-producing medium flow through these parts as required.Canonical system comprises from condenser 14 by the additional flow pipeline of expansion gear (not shown) to evaporimeter 16.These parts and pipeline are finished typical compressor loop.
Further, provide lubricant circuit, be used for oil is sent to by oil pump 24 from oil sump 22 oil-in 26 of compressor 12 according to the present invention.If desired, filter 28 can be along oil pipe line 30 location.Oil drain out 32 is taken back oil sump 22 with oil from compressor 12.
As mentioned above, at compressor loop and lubricant circuit run duration, oil or other proper lubrication agent and the refrigerant mixed that is discharged to condenser 14, expansion gear and evaporimeter 16 by pipeline 18.Separate and reclaim this oil and be used in system further use to keep oily viscosity simultaneously be focus of the present invention in desired value.
According to the present invention, therefore the mixtures in the evaporimeter 16 are measured or are fed to and reclaim evaporimeter 34, wherein mixture be exposed to heat with cold-producing medium from lubricant separation.This heat seethes with excitement cold-producing medium fall from lubricant, and cold-producing medium passes through the suction inlet 38 that discharge line 36 turns back to pipeline 20 and arrives compressor 12.Because control of the present invention, remaining oil has fully purged cold-producing medium at this moment and has been suitable for keeping required sealing of compressor and lubricated viscosity to have.
Note discharge line 38 also is communicated with oil sump 22 be used for any further from then on the seethe with excitement cold-producing medium that falls of position also send back to suction and enter the mouth 38.
Reclaim the evaporimeter 34 interior isolated oil oily discharge lines 40 of process and return oil sump 22 further in lubricant circuit, to circulate.
According to the present invention, heat preferably is applied to refrigerant-lubricant mixture in the evaporimeter 34 from the hot gas from compressor 12 discharging, this hot gas for example can be fed to evaporimeter 34 by pipeline 42, this pipeline 42 advantageously in condenser 14 upstreams from main line 18 branches.To be in temperature from this hot gas of compressor 12 greater than evaporimeter 16 inner refrigerants and lubricant mixture temperature.Therefore, this gas of discharging from compressor 12 can be advantageously used in and provide heat to mixture, and cold-producing medium enters the mouth 38 through pipeline 44 to evaporimeter 16 and the suction of returning compressor 12 then after the cooling that obtains.
Under the specific run condition, may not provide enough heat from the gas discharging of compressor 12.For this reason, can further preferably comprise supplemental heat source 46 according to system of the present invention, this supplemental heat source 46 schematically shows in the accompanying drawings and can be heater assembly and/or from other fluids stream of system, and they all can be controlled to provide extra heat to evaporimeter 34 as required.
According to the present invention, have been found that the viscosity of the lubricant that circulates can be by controlling from the speed of lubricant separation cold-producing medium in the control evaporimeter 34 in lubricant circuit.For this reason, control valve 48 is advantageously along being used for that mixture is sent to pipeline 50 location of reclaiming evaporimeter 34 from evaporimeter 44.This valve 48 advantageously is suitable for 50 controls of controlled unit, and this control module 50 comprises the mixture temperature (T in the evaporimeter 44 for example
Ref) and for example at the recovered oil temperature (T in the pipeline 40 of oil sump 22
Oil) sensor.
Have been found that T
OilAnd T
RefBetween temperature difference the acquisition viscosity of separating oil is directly proportional therewith.Therefore, control module 50 can advantageously be suitable for detecting or otherwise determine these temperature, and then operation control valve 48 with control from evaporimeter 16 to the flow rate of mixture that reclaims evaporimeter 34, and control T thus
OilAnd T
RefBetween temperature difference.According to the present invention, the preselected scope of temperature difference can Input Control Element 50 and control module 50 can be suitable for or programme control valve 48 with the holding temperature difference in this preselected scope.
When the flow rate of mixture of coming flash-pot 16 increases, the per unit flow refrigerant amount that boiling is fallen in reclaiming evaporimeter 34 will reduce, and the viscosity of the separating oil that obtains will reduce.When the flow rate of mixture of coming flash-pot 16 reduces, realize further separating by the hot per unit flow that is applied to it, and the separate lubricant that obtains will comprise cold-producing medium still less and have more high viscosity.
Control module 50 can be as mentioned above for utilizing any suitable processor unit of appropriate command instruction programming.Especially, control module 50 is preferably suitable for receiving the expression temperature T
OilAnd T
RefSignal, and utilize these signals to determine the proper handling position of valve 48.
Should recognize easily that system and a method according to the invention also can easily finish by other approach.Especially, by alternatively controlling the heat that applies in the evaporimeter 34 and/or controlling heat as mentioned above and control the acquisition viscosity of separate lubricant, also be regarded as within the scope of the invention by the flow rate of valve 48.
In addition as shown in Figure 1, if desired, supplemental heater 46 is further advantageously controlled by control module 50.Such control will be referred to control module 50 and receives and T
OilAnd T
RefRelevant detection signal, and under the situation that difference is not enough and valve 48 can not further cut out between these temperature, will be programmed and operate supplemental heater 46 further to apply heat as required.
Relate to lubricant though should easily recognize above-mentioned open part as oil, system of the present invention also can easily be applied to the system of other fluids as lubricant that utilize, as long as these other lubricants will separate from cold-producing medium, this lubricant and cold-producing medium are mixed in the operating period of compressor and lubricant circuit.
Openly screw compressor is carried out though it is also recognized that this, system and method for the present invention can easily be applied to wherein during part operation lubricant and refrigerant mixed and after the compressor assembly of any other type that must separate from cold-producing medium.
At last, though the preferred embodiments of the present invention illustrate be applied to reclaim mixtures in the evaporimeter 34 heat by the hot gas supply of discharging from compressor 12, heat exchange in the evaporimeter 34 is controlled to provide the system of the present invention of expectation lubricant viscosity also can utilize other thermals source to realize by it, and this is also in broad scope of the present invention.
The example of operation of the present invention provided herein.Suppose that system shown in Figure 1 operates under valve 48 standard-sized sheet situations.Be in maximum flow rate from evaporimeter 16 to the mixture that reclaims evaporimeter 34.Under this operation, control module 50 has been programmed with T
OilAnd T
RefBetween poor (Δ T) maintain between about low value X and the high value Y.Suppose that temperature difference Δ T is reduced to the level that is lower than X.At this moment, control module 50 with part shut off valve 48 to slow to the mixing logistics that reclaims evaporimeter 34.This causes bigger heating of mixture and higher T
Oil, this causes Δ T to increase.
Suppose Δ T exceedance Y.At this moment, control module 50 will further be opened valve 48 to increase to the mixing logistics that reclaims evaporimeter 34.Like this, be optimized to the oily viscosity that maximum oil reclaim volume is kept the Δ T of expectation simultaneously and kept expectation thus to the flow rate that reclaims evaporimeter 34.
Then supposition is after valve 48 partly cuts out for the first time, and Δ T keeps less than X.The controlled thus unit 50 of valve 48 is further closed to attempt raising Δ T to desired value.Control module 50 continuation shut off valves 48 reach maximum up to valve 48 and cut out setting, and wherein Zui Xiao stream is supplied to and reclaims evaporimeter 34.If this moment, Δ T was still too low, supplemental heater 46 can be activated with more heat are provided and the Δ T that raises to the expectation scope.
Will be appreciated that basis the invention provides control system, it advantageously provides the control to the oily viscosity of recovered oil, and viscosity can maintain aspiration level thus, for example guarantees good lubrication and sealing under the expection operating condition of compressor.
Be to be understood that to the invention is not restricted to the example describing and illustrate herein, these examples are regarded as merely to illustrate and realize optimal mode of the present invention, and can carry out the modification on the details of form, size, layout and operation of parts.The invention is intended to comprise all such modifications that are in the spirit and scope of the invention that claim limits.
Claims (11)
1. one kind has the compressor assembly that controlled lubricant reclaims, and comprising:
Compressor loop comprises the compressor, condenser and the evaporimeter that connect by the flow of refrigerant pipeline;
Be used for the lubricant circuit of circulating lubricating agent to compressor;
Reclaim evaporimeter, be suitable for heating the refrigerant-lubricant mixture of coming flash-pot, thus this mixture be heated and lubricant and cold-producing medium separated, reclaim lubricant to lubricant circuit with reclaim cold-producing medium to provide to compressor loop; With
Control module is suitable for controlling from evaporimeter to the mixing logistics that reclaims evaporimeter with the temperature of leaving the recovery lubricant that reclaims evaporimeter based on the temperature of the mixture that comes flash-pot.
2. system according to claim 1, wherein this control module comprises along the valve that is used for mixture is sent to from evaporimeter the discharge line location of reclaiming evaporimeter.
3. system according to claim 2, wherein this control module is suitable for operating this valve controlling to the flow rate of mixture that reclaims evaporimeter, thus the temperature difference that will reclaim between lubricant and the mixture maintains in the preselected scope.
4. system according to claim 1, wherein this control module is suitable for controlling to the flow rate of mixture that reclaims evaporimeter, thus the temperature difference that will reclaim between lubricant and the mixture maintains in the preselected scope.
5. system according to claim 1 wherein reclaims evaporimeter and is communicated with to heat this mixture with discharge gas from compressor.
6. system according to claim 5 also comprises being used for providing extra heat to the supplemental heater that reclaims the evaporimeter mixture.
7. system according to claim 1, wherein this compressor is a screw compressor.
8. method that is used for controlling the reclaim of lubricant of compressor assembly may further comprise the steps:
Operation comprises the compressor loop of compressor, condenser and evaporimeter and is used for the lubricant circuit of circulating lubricating agent to compressor, so that the refrigerant-lubricant mixture of leaving evaporimeter to be provided;
In reclaiming evaporimeter, mixture is exposed to heat, to provide the recovery lubricant to arrive lubricant circuit and to reclaim cold-producing medium to compressor loop; With
Temperature based on the mixture that leaves evaporimeter controls to the flow rate of mixture that reclaims evaporimeter with the temperature of leaving the recovery lubricant that reclaims evaporimeter.
9. method according to claim 8, wherein this control step comprises the temperature that detects mixture and reclaim lubricant, and controls to the mixing logistics that reclaims evaporimeter and maintain in the preselected scope with the temperature difference that will reclaim between lubricant temperature and the mixture temperature.
10. method that is used for controlling the reclaim of lubricant of compressor assembly may further comprise the steps:
Operation comprises the compressor loop of compressor, condenser and evaporimeter and is used for the lubricant circuit of circulating lubricating agent to compressor, so that the refrigerant-lubricant mixture of leaving evaporimeter to be provided;
In reclaiming evaporimeter, mixture is exposed to heat, to provide the recovery lubricant to arrive lubricant circuit and to reclaim cold-producing medium to compressor loop;
Detect expression and reclaim the parameter of lubricant viscosity; With
Mixture is exposed to the speed of heat based on this parameter control.
11. method according to claim 10, wherein this control step comprises that controlling to mixing logistics, the control of reclaiming evaporimeter is applied to the heat of mixture and in both combinations at least one, maintains in the preselected scope will reclaim lubricant viscosity.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2005/005092 WO2006088459A2 (en) | 2005-02-15 | 2005-02-15 | Compressor system with controlled lubricant reclaim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101180507A true CN101180507A (en) | 2008-05-14 |
| CN100538216C CN100538216C (en) | 2009-09-09 |
Family
ID=36916868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800483985A Expired - Fee Related CN100538216C (en) | 2005-02-15 | 2005-02-15 | Has the compressor assembly that controlled lubricant reclaims |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080271477A1 (en) |
| EP (1) | EP1851491B1 (en) |
| CN (1) | CN100538216C (en) |
| AU (1) | AU2005327580B2 (en) |
| HK (1) | HK1120599A1 (en) |
| WO (1) | WO2006088459A2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047170A (en) * | 2011-10-17 | 2013-04-17 | 珠海格力电器股份有限公司 | Compressor oil supply system and compressor with same |
| CN104180142A (en) * | 2014-08-22 | 2014-12-03 | 珠海格力电器股份有限公司 | Lubricating oil supply device, centrifugal compressor and lubricating oil supply method |
| CN104776028A (en) * | 2014-01-10 | 2015-07-15 | 阿特拉斯·科普柯空气动力股份有限公司 | Method for preventing condensate in the oil of oil-injected compressor and compressor in which such method is applied |
| CN105143789A (en) * | 2013-02-21 | 2015-12-09 | 江森自控科技公司 | Lubrication and cooling system |
| CN106247647A (en) * | 2015-06-12 | 2016-12-21 | 荏原冷热系统株式会社 | Compression-type refrigerating machine |
| CN107044741A (en) * | 2013-01-25 | 2017-08-15 | 特灵国际有限公司 | Refrigerant cooling and lubricating system with refrigerant vapour draft tube liner |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008112549A2 (en) * | 2007-03-09 | 2008-09-18 | Johnson Controls Technology Company | Heat exchanger |
| CN102460040B (en) * | 2009-05-11 | 2014-04-23 | Lg电子株式会社 | Air conditioner |
| US8623119B2 (en) * | 2009-10-15 | 2014-01-07 | Daryl W. Hanson | Compressor lubricant reclaiming process and system |
| US10408508B2 (en) * | 2013-06-17 | 2019-09-10 | Carrier Corporation | Oil recovery for refrigeration system |
| EP3066401B1 (en) * | 2013-11-08 | 2024-01-10 | Carrier Corporation | Fluid collection assembly |
| CN106133316B (en) * | 2014-03-18 | 2020-04-07 | 开利公司 | Refrigerant lubricating oil system |
| EP3362747B1 (en) * | 2015-10-15 | 2024-01-03 | Carrier Corporation | Multi-stage oil batch boiling system |
| US10935292B2 (en) | 2018-06-14 | 2021-03-02 | Trane International Inc. | Lubricant quality management for a compressor |
| US11982475B2 (en) | 2019-05-07 | 2024-05-14 | Carrier Corporation | Refrigerant lubrication system with side channel pump |
| EP3745049B1 (en) | 2019-05-29 | 2024-02-07 | Carrier Corporation | Refrigeration apparatus |
| US20210318042A1 (en) * | 2020-04-08 | 2021-10-14 | Carrier Corporation | Vapor compression system and method for vapor oil recovery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4878355A (en) * | 1989-02-27 | 1989-11-07 | Honeywell Inc. | Method and apparatus for improving cooling of a compressor element in an air conditioning system |
| US5016447A (en) * | 1990-05-02 | 1991-05-21 | Carrier Corporation | Oil return for a two-stage compressor having interstage cooling |
| US6082982A (en) * | 1997-11-17 | 2000-07-04 | Uop Llc | Flooded compressor with improved oil reclamation |
| US6672102B1 (en) * | 2002-11-27 | 2004-01-06 | Carrier Corporation | Oil recovery and lubrication system for screw compressor refrigeration machine |
-
2005
- 2005-02-15 WO PCT/US2005/005092 patent/WO2006088459A2/en active Application Filing
- 2005-02-15 CN CNB2005800483985A patent/CN100538216C/en not_active Expired - Fee Related
- 2005-02-15 AU AU2005327580A patent/AU2005327580B2/en not_active Ceased
- 2005-02-15 EP EP05723228.2A patent/EP1851491B1/en not_active Not-in-force
- 2005-02-15 US US11/816,190 patent/US20080271477A1/en not_active Abandoned
-
2008
- 2008-11-06 HK HK08112194.1A patent/HK1120599A1/en not_active IP Right Cessation
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047170B (en) * | 2011-10-17 | 2015-06-03 | 珠海格力电器股份有限公司 | Compressor oil supply system and compressor with same |
| CN103047170A (en) * | 2011-10-17 | 2013-04-17 | 珠海格力电器股份有限公司 | Compressor oil supply system and compressor with same |
| CN107044741A (en) * | 2013-01-25 | 2017-08-15 | 特灵国际有限公司 | Refrigerant cooling and lubricating system with refrigerant vapour draft tube liner |
| US10458686B2 (en) | 2013-01-25 | 2019-10-29 | Trane International Inc. | Refrigerant cooling and lubrication system with refrigerant vapor vent line |
| CN107044741B (en) * | 2013-01-25 | 2019-08-30 | 特灵国际有限公司 | Refrigerant cooling and lubricating system with refrigerant vapour draft tube liner |
| US10197316B2 (en) | 2013-02-21 | 2019-02-05 | Johnson Controls Technology Company | Lubrication and cooling system |
| CN105143789B (en) * | 2013-02-21 | 2018-08-17 | 江森自控科技公司 | Lubrication and cooling system |
| CN105143789A (en) * | 2013-02-21 | 2015-12-09 | 江森自控科技公司 | Lubrication and cooling system |
| US10941967B2 (en) | 2013-02-21 | 2021-03-09 | Johnson Controls Technology Company | Lubrication and cooling system |
| CN104776028B (en) * | 2014-01-10 | 2017-08-29 | 阿特拉斯·科普柯空气动力股份有限公司 | The method and the compressor of application this method condensed in the oil of anti-spraying oil formula compressor |
| CN104776028A (en) * | 2014-01-10 | 2015-07-15 | 阿特拉斯·科普柯空气动力股份有限公司 | Method for preventing condensate in the oil of oil-injected compressor and compressor in which such method is applied |
| CN104180142A (en) * | 2014-08-22 | 2014-12-03 | 珠海格力电器股份有限公司 | Lubricating oil supply device, centrifugal compressor and lubricating oil supply method |
| CN106247647A (en) * | 2015-06-12 | 2016-12-21 | 荏原冷热系统株式会社 | Compression-type refrigerating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1851491A2 (en) | 2007-11-07 |
| US20080271477A1 (en) | 2008-11-06 |
| HK1120599A1 (en) | 2009-04-03 |
| WO2006088459A2 (en) | 2006-08-24 |
| AU2005327580A1 (en) | 2006-08-24 |
| AU2005327580B2 (en) | 2010-10-21 |
| EP1851491B1 (en) | 2014-04-02 |
| CN100538216C (en) | 2009-09-09 |
| WO2006088459A3 (en) | 2008-01-03 |
| EP1851491A4 (en) | 2010-09-01 |
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