EP3698048A1 - Dispositif et procédé de compression et machine de réfrigération - Google Patents
Dispositif et procédé de compression et machine de réfrigérationInfo
- Publication number
- EP3698048A1 EP3698048A1 EP18765154.2A EP18765154A EP3698048A1 EP 3698048 A1 EP3698048 A1 EP 3698048A1 EP 18765154 A EP18765154 A EP 18765154A EP 3698048 A1 EP3698048 A1 EP 3698048A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- motor
- compressor
- pipe
- cooling
- 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
- 238000007906 compression Methods 0.000 title claims abstract description 44
- 230000006835 compression Effects 0.000 title claims abstract description 43
- 238000005057 refrigeration Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 9
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 97
- 239000000112 cooling gas Substances 0.000 claims description 18
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 239000013529 heat transfer fluid Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- MGSJJXCODHDRGQ-UHFFFAOYSA-N ethane iron Chemical compound [Fe].CC MGSJJXCODHDRGQ-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B31/006—Cooling of compressor or motor
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
Definitions
- the invention relates to a device and a method of compression and a refrigeration machine.
- the invention relates more particularly to a device for centrifugally compressing a working gas, in particular for a refrigeration machine, comprising a plurality of centrifugal compressors forming successive and / or parallel compression stages and a plurality of compressor drive motors, the device comprising a gas circuit comprising a first gas inlet pipe to be compressed connected to an inlet of a first compressor for conveying gas to be compressed in the first compressor, the circuit comprising a second pipe connected to an outlet of said first compressor to evacuate the gas compressed in the latter, the second pipe being connected to an inlet of a second compressor for conveying the gas which has been compressed in the first compressor in the second compressor to achieve a second compression, the circuit comprising a third pipe having a connected upstream end an output of at least one compressor and a downstream end connected to an inlet of at least a first motor for transferring a fraction of the gas compressed in said compressor in said at least a first motor in order to limit its heating.
- a centrifugal compressor using a direct drive between the (electric) motor and the compression wheel (s) requires a gas flow to evacuate the heat generated in the engine. This heat is generated mainly by the losses of the motor and by the friction of the rotor with the gas which surrounds it.
- This cooling rate is usually injected from one side of the motor (at an inlet) and discharged from the other side (at an outlet) with a higher temperature. It can also be injected in the middle of the engine and evacuated on both sides of it. A greater or lesser part of the heat is also usually discharged not a heat transfer fluid flowing in a circuit surrounding the stator part of the engine (water or air or other heat transfer fluid for cooling the stator).
- the gas circulating in the engine to cool it usually has the same composition as the compressed gas.
- the driving force necessary to circulate the gas through the engine (s) is generated by one or more compression stages (ie by one or more compressors). ).
- US6,64,469 describes the use of a portion of the gas leaving the first compression stage to cool the engine. This gas is then returned to the compressor inlet.
- US8899945 discloses a multi-motor architecture.
- An object of the present invention is to overcome all or part of the disadvantages of the prior art noted above.
- the device according to the invention is essentially characterized in that the circuit comprises a fourth pipe having an upstream end connected to an output of the first engine for recovering the gas having circulated in the first engine and a downstream end connected to an inlet of a second engine to transfer the gas therein to limit heating of the second engine.
- embodiments of the invention may include one or more of the following features: the fourth pipe comprises a gas cooling member for cooling the gas between its exit from the first engine and its entry into the second engine,
- the circuit comprises a fifth pipe having an upstream end connected to an outlet of the second engine for recovering the gas having circulated in the second engine and a downstream end connected to the inlet of the first compressor for the purpose of compressing it;
- the device comprises a system of pipe (s) and valve (s) for distributing the quantities of cooling gas between the first motor and the second motor,
- the fifth pipe comprises a gas cooling member
- the fourth pipe has a second downstream end connected to the fifth pipe, the device comprising a valve system for distributing the flow of gas coming from the first motor between the second motor and the fifth pipe;
- the second pipe comprises a pipe member; gas cooling,
- the cooling member of the second pipe comprises a heat exchanger cooled by a heat transfer fluid
- the circuit comprises a gas cooling member at an outlet of the second compressor
- the third conduit comprises a gas flow control valve transferred into the first engine
- the device comprises at least one motor driving one or more compressors and at least one motor coupled to one or more expansion turbines,
- the device comprises one or more rotating joints between the motor (s) and the compressor (s) or one or more stages of expansion so that the pressure in the cavities of the motor (s) is close to the lowest pressure of the compressor , ie the compressor inlet pressure,
- the device comprises several compressors driven by the same motor, -
- the device comprises one or more expansion stages formed by one or more expansion turbines, preferably centripetal and directly coupled to the motor.
- the invention also relates to a low temperature refrigeration machine of -100 ° C to -273 ° C comprising a working circuit containing a working fluid, the working circuit comprising a centrifugal compression device and a cooling device and the compressed gas is expanded in the compression device, the compression device being in accordance with any of the above characteristics or below.
- the invention also relates to a centrifugal compression process for a working gas, in particular for a refrigeration machine using a plurality of centrifugal compressors forming successive and / or parallel compression stages and a plurality of compressor drive motors, the compressors being driven in accordance with the invention. direct rotation by the motors, the method comprising:
- a step of sampling a fraction of the compressed gas leaving at least one of the compressors and putting into circulation this gas taken from a first engine for cooling purposes the process comprising a step of cooling the gas that has been used cooling the first engine and a step of circulating this cooled gas in a second engine for cooling.
- the invention may also relate to any alternative device or method comprising any combination of the above or below features.
- FIG. 1 represents a schematic and partial view illustrating an exemplary structure and operation of a compression device according to the invention
- FIG. 2 shows a schematic and partial view illustrating an example of structure and operation of a cooling machine comprising such a compression device.
- the compression device 18 shown schematically in Figure 1 comprises two compressor 1, 3 centrifugal (that is to say two compressor wheels) forming two successive compression stages.
- the two compressors 1, 3 are each driven by a respective drive motor 5, 6.
- the compressors 1, 3 are rotated directly by their motor 5, 6 corresponding.
- the device 18 comprises a gas circuit comprising a first gas inlet pipe 16 to be compressed connected to the inlet of a first compressor 1, for conveying gas to be compressed in the first compressor 1.
- the circuit comprises a second pipe 14 having an upstream end connected to an outlet of said first compressor 1 for discharging the compressed gas therein.
- the second pipe 14 has a downstream end connected to an inlet of the second compressor 3, for conveying the compressed gas into the first compressor 1 in the second compressor 3 in order to achieve a second compression (a second compression stage).
- the second pipe 14 preferably comprises a gas cooling member 2, for example a heat exchanger cooled by a heat transfer fluid. This makes it possible to cool the compressed gas before entering the second compressor 3.
- the circuit preferably comprises a gas cooling member 4 at the outlet of the second compressor 3 (for example a heat exchanger in exchange with a heat transfer fluid).
- the circuit comprises a third pipe 10 having an upstream end connected to the output of a compressor 1 and a downstream end connected to a first 6 of the two motors.
- the upstream end of the third pipe 10 can be connected to the output of the first compressor 1 via the second pipe 14. That is to say that the third pipe 10 is connected bypass to the second pipe 14 between the first 1 and second 3 compressors.
- the third pipe 10 takes a fraction of the compressed gas intended to feed the second compressor 3 to sweep (cool) the first engine. This fraction may correspond to one to forty percent of the flow of gas leaving the first compressor 1.
- the third pipe 10 may comprise a gas flow control valve 8 transferred into the first motor 6 (or any other suitable member including a pressure reducing member such as an orifice, turbine, Ranque tube or Vortex tube, orifice , capillary).
- a gas flow control valve 8 transferred into the first motor 6 (or any other suitable member including a pressure reducing member such as an orifice, turbine, Ranque tube or Vortex tube, orifice , capillary).
- the circuit comprises a fourth pipe 12 having an upstream end connected to an output of the first motor 6 to recover the gas having circulated in the first engine 6 and the first downstream end connected to an inlet of a second engine 5 to transfer the gas therein. to limit the heating of the second motor 5.
- the same cooling gas is used successively to cool the two motors 6, 5.
- the fourth pipe 12 comprises a gas cooling member 13 for cooling the gas between its outlet of the first engine 6 and its entry into the second engine 5.
- this cooling member 13 comprises a heat exchanger in exchange thermal with a heat transfer fluid.
- the cooling gas which has circulated in the second motor 5 is discharged via a fifth pipe 7 having an upstream end connected to an output of the second motor 5 (to recover the gas having circulated in the second motor 5 and a downstream end connected to the input of the first compressor 1 for compression
- the fifth pipe 7 can be connected to the inlet of the first compressor 1 via the first pipe 16.
- the fifth pipe 7 (and possibly the fourth pipe 12) can also be used if necessary to recover gas from possible leaks (for example, seals located near the engines, such as rotating joints for example).
- the fifth pipe 7 may comprise a gas cooling member 9, for example a heat exchanger in heat exchange with a cooling heat transfer fluid.
- the fourth pipe 12 may comprise a second downstream end connected to the fifth pipe 7 and a valve system January 1 to distribute the flow of gas from the first motor 6 between the second engine 5 and the fifth pipe 7. That is to say that the gas leaving the first engine 6 (cooling gas) can be distributed between the second motor 5 (to cool it) and inlet of the first compressor 1. This is obtained via two parallel lines and at least one valve 1 1 (and / or any other compression element: turbine, orifice ).
- the valve 1 1 (or equivalent) can be arranged at the terminals of the engine 6 (or engines).
- the valve 1 1 (or the valves) can be a controlled control valve.
- bypass line of the first motor 6 (for example between the third pipe 10 and the fourth pipe) to relatively reduce the amount of cooling gas in the first motor 6 relative to the amount of cooling gas of the second motor 5.
- bypass line between the second pipe 14 (for example after the cooling member 2) and the fourth pipe (upstream or downstream of the cooling member 13).
- a system (s) and valve (s) can be provided to distribute different amounts of cooling gas between the first motor 6 and the second motor 5 as needed.
- a bypass valve 1 1 may advantageously be placed between the inlet and the outlet of the cooling gas of the second motor 5 in order to limit the flow of cooling gas through this second motor 5 in the case where it is too important.
- the mechanical power necessary to compress for example, a flow rate of 1.26 kg / s of nitrogen gas having an initial pressure of 5 bars absolute and a temperature of 288 K at a pressure of 18.34. Absolute bar is 188 kW.
- This compression power can be distributed in 88kW for the motor 5 which drives the first compressor 1 and 100kW for the motor 6 which drives the second compressor 3.
- the nitrogen is compressed, for example, up to 8.87 bar absolute in the first centrifugal compression stage 1 having a power of 83 kW and a typical isentropic efficiency of 86%. Then this compressed gas is cooled in the heat exchanger 2.
- Part of the gas is withdrawn via the valve 8 to cool the first motor 6.
- the rest (the main flow) is then compressed again to 18.34 bar absolute in the second compression stage 3.
- This second compressor 3a for example a power of 95 kW and a typical isentropic efficiency of 86%.
- the gas is cooled in the heat exchanger 4 at the outlet of the second compressor 3.
- the gas is then brought to the outlet 15 of the device 18.
- Part of the nitrogen flow at the outlet of the exchanger 2 will therefore be sent through the valve 8 and the third pipe 10 to supply the first engine 6 with cooling gas.
- Delta T the increase in temperature of the gas between the pipes 10 and 12 in K (between the inlet and the outlet of the engine 6).
- the nitrogen will then escape from the first engine 6 via the fourth pipe 12 and join the exchanger 13 to be cooled to a temperature preferably close to or equal to the inlet temperature of the first compressor 1.
- This cooling is carried out before the gas enters the second engine 5.
- the rise in the temperature of the gas through the second motor 5 is preferably of the same order of magnitude as that through the first motor 6 (the flow rate and the power to be extracted are preferably close).
- the cooling gas After having passed through the second motor 5, the cooling gas is sent to the downstream heat exchanger 9 via the fifth pipe 7 to be cooled before returning to the inlet 16 of the first compressor 1.
- the solution according to the invention uses the same gas flow that is put into operation. circulation to cool two motors (in series on the cooling gas circuit). This makes it possible to halve the required flow of cooling gas.
- the invention allows efficient cooling (thermally and energetically) of a plurality of engines of a compression device.
- the gas used for the cooling of the engines could be taken at the output of another or more other compressors than the first compression stage.
- the device could include more than two compressors and more than two motors.
- expansion turbines could be included in the device.
- one or more expansion stages can be mounted on the same motor shaft as one or more compressors.
- cooling members 9, 13 can be omitted (their use can improve the efficiency of the system but they are not necessary).
- the valve or valves 8, 1 1 may advantageously be adjustable so as to slave for example the temperature of one or more engines and / or the cooling rate and / or the temperature of the cooling gas.
- these expansion members 8, 1 1 may optionally cool the gas before entering the engine (s).
- these detent members 8, 11 may be replaced (or supplemented) by any other pressure-reducing element such as an orifice, for example a turbine or a capillary.
- the valves 8, 1 1 can be replaced by or associated with one or more turbines and / or tubes of Ranque (Vortex tube).
- the member 8 may be located alternately on the second pipe 14 for example.
- the member 1 1 may be located alternately on the first pipe 16 for example.
- rotating joints can be used between the motor (s) 5, 6 and the compression stage (s) 1, 3 or the expansion stage (s) so that the pressure in the motor cavities is close to the lowest pressure of the compressor, that is to say the inlet pressure 13 of the compressor.
- This has the effect of lowering the friction losses between the rotor or rotors and the gas because these losses are proportional to the pressure in the motor cavity. The leaks recovered from this or these seals will be added to the flow of cooling gas from the third pipe.
- the compression device 18 can be part of a low temperature refrigeration machine, for example between -100 ° C. and -273 ° C., and comprising a working circuit 10 containing a fluid of work, the work circuit comprising a device 18 for centrifugal compression and a device 19 for cooling and expansion of the compressed gas in the device 18 for compression.
- the working gas may comprise all or part of: nitrogen, helium, hydrogen, neon, argon, carbon monoxide, methane, krypton, xenon, iron ethane, carbon dioxide, propane, butane, oxygen.
- a duct provided with a valve system connecting the second duct 14 and the fourth duct 12 can be provided,
- the cooling member 2 can be configured to cool the gas to a lower temperature, for example 0 ° C, to improve the cooling of the engine, -
- the cooling member 2 may optionally be disposed on the third pipe 10 (instead of or in addition to the second pipe 14),
- the flow direction of the cooling gas can be reversed (firstly in the second motor 5 and then in the first 6),
- the device may comprise more than two engines cooled in this way,
- the device can comprise several compressors mounted on a motor and one or more stages of expansion on this motor or another motor,
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1701076A FR3072428B1 (fr) | 2017-10-16 | 2017-10-16 | Dispositif et procede de compression et machine de refrigeration |
PCT/FR2018/051975 WO2019077212A1 (fr) | 2017-10-16 | 2018-08-01 | Dispositif et procédé de compression et machine de réfrigération |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3698048A1 true EP3698048A1 (fr) | 2020-08-26 |
EP3698048B1 EP3698048B1 (fr) | 2021-10-20 |
Family
ID=60765664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18765154.2A Active EP3698048B1 (fr) | 2017-10-16 | 2018-08-01 | Dispositif et procédé de compression et machine de réfrigération |
Country Status (11)
Country | Link |
---|---|
US (1) | US11384768B2 (fr) |
EP (1) | EP3698048B1 (fr) |
JP (1) | JP7234225B2 (fr) |
KR (1) | KR102503137B1 (fr) |
CN (1) | CN111212981B (fr) |
AU (1) | AU2018350938B2 (fr) |
CA (1) | CA3079027A1 (fr) |
DK (1) | DK3698048T3 (fr) |
ES (1) | ES2903562T3 (fr) |
FR (1) | FR3072428B1 (fr) |
WO (1) | WO2019077212A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023151862A1 (fr) | 2022-02-10 | 2023-08-17 | Cryostar Sas | Système de turbomachine à étages multiples et procédé de fonctionnement |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3425308B2 (ja) * | 1996-09-17 | 2003-07-14 | 株式会社 日立インダストリイズ | 多段圧縮機 |
JPH11294879A (ja) * | 1998-02-16 | 1999-10-29 | Daikin Ind Ltd | 冷凍装置 |
JP2000087900A (ja) | 1998-09-09 | 2000-03-28 | Hitachi Ltd | 圧縮機用モータの冷却方法 |
EP1074746B1 (fr) | 1999-07-16 | 2005-05-18 | Man Turbo Ag | Turbo-compresseur |
GB2469015B (en) * | 2009-01-30 | 2011-09-28 | Compair Uk Ltd | Improvements in multi-stage centrifugal compressors |
EP2273130A1 (fr) * | 2009-07-08 | 2011-01-12 | Siemens Aktiengesellschaft | Boîtier de compresseur de gaz et système comportant le boîtier |
FR2966528B1 (fr) * | 2010-10-25 | 2016-12-30 | Thermodyn | Groupe compresseur centrifuge |
US9200643B2 (en) * | 2010-10-27 | 2015-12-01 | Dresser-Rand Company | Method and system for cooling a motor-compressor with a closed-loop cooling circuit |
DE102010053091A1 (de) * | 2010-12-01 | 2012-06-06 | Linde Aktiengesellschaft | Mehrstufiger Kolbenverdichter |
KR101318800B1 (ko) * | 2012-05-25 | 2013-10-17 | 한국터보기계(주) | 3단 터보압축기 |
JP6276000B2 (ja) * | 2013-11-11 | 2018-02-07 | 株式会社前川製作所 | 膨張機一体型圧縮機及び冷凍機並びに冷凍機の運転方法 |
EP3102833B1 (fr) | 2014-02-03 | 2021-03-31 | Nuovo Pignone S.r.l. | Turbomachine à plusieurs étages dotée de moteurs électriques intégrés |
BE1022138B1 (nl) * | 2014-05-16 | 2016-02-19 | Atlas Copco Airpower, Naamloze Vennootschap | Compressorinrichting en een daarbij toepasbare koeler |
US20160003558A1 (en) | 2014-07-03 | 2016-01-07 | General Electric Company | Fluid processing system, heat exchange sub-system, and an associated method thereof |
US20170174049A1 (en) * | 2015-12-21 | 2017-06-22 | Ford Global Technologies, Llc | Dynamically controlled vapor compression cooling system with centrifugal compressor |
-
2017
- 2017-10-16 FR FR1701076A patent/FR3072428B1/fr not_active Expired - Fee Related
-
2018
- 2018-08-01 EP EP18765154.2A patent/EP3698048B1/fr active Active
- 2018-08-01 ES ES18765154T patent/ES2903562T3/es active Active
- 2018-08-01 AU AU2018350938A patent/AU2018350938B2/en active Active
- 2018-08-01 WO PCT/FR2018/051975 patent/WO2019077212A1/fr unknown
- 2018-08-01 DK DK18765154.2T patent/DK3698048T3/da active
- 2018-08-01 CN CN201880066234.2A patent/CN111212981B/zh active Active
- 2018-08-01 CA CA3079027A patent/CA3079027A1/fr active Pending
- 2018-08-01 US US16/756,822 patent/US11384768B2/en active Active
- 2018-08-01 JP JP2020520463A patent/JP7234225B2/ja active Active
- 2018-10-15 KR KR1020180122268A patent/KR102503137B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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ES2903562T3 (es) | 2022-04-04 |
KR20190042463A (ko) | 2019-04-24 |
FR3072428B1 (fr) | 2019-10-11 |
KR102503137B1 (ko) | 2023-02-22 |
CA3079027A1 (fr) | 2019-04-25 |
JP2020537075A (ja) | 2020-12-17 |
CN111212981A (zh) | 2020-05-29 |
CN111212981B (zh) | 2022-11-01 |
JP7234225B2 (ja) | 2023-03-07 |
AU2018350938A1 (en) | 2020-05-21 |
AU2018350938B2 (en) | 2023-12-07 |
US20200240437A1 (en) | 2020-07-30 |
WO2019077212A1 (fr) | 2019-04-25 |
EP3698048B1 (fr) | 2021-10-20 |
FR3072428A1 (fr) | 2019-04-19 |
DK3698048T3 (da) | 2022-01-10 |
US11384768B2 (en) | 2022-07-12 |
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