WO2015121116A1 - Kraftwärmemaschine und verfahren zum betreiben einer kraftwärmemaschine - Google Patents
Kraftwärmemaschine und verfahren zum betreiben einer kraftwärmemaschine Download PDFInfo
- Publication number
- WO2015121116A1 WO2015121116A1 PCT/EP2015/052241 EP2015052241W WO2015121116A1 WO 2015121116 A1 WO2015121116 A1 WO 2015121116A1 EP 2015052241 W EP2015052241 W EP 2015052241W WO 2015121116 A1 WO2015121116 A1 WO 2015121116A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- collector
- mixing
- collecting device
- collecting
- Prior art date
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/452—Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
-
- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/39—Mixing of ingredients for grease or lubricating compositions
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/16—Lubrication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Definitions
- the invention relates to a power heating machine with a fluid-carrying circulation system with at least one evaporation device, by means of which the fluid is vaporized, with at least one compression device, by means of which the fluid is compressible, with at least one condensation device, by means of which the fluid is condensable, with a collecting device by means of which the fluid and a fluid which can be added to the fluid by means of the compression device can be collected, and with at least one expansion device, by means of which the fluid is expandable.
- the invention also relates to a method for operating such a power heating machine.
- the collector serves to buffer the fluid and the oil contained therein, so that liquid fluid always passes into an expansion valve connected downstream of the collector in the fluid flow direction (expansion device).
- the collector can also be used to monitor operating fluctuations, load changes or temperatures. temperature changes are buffered on the heat source or heat sink side of the power heater. Such a collector is particularly necessary for systems with multiple evaporators.
- the fluid used in the respective power plant should, in addition to other physical properties, have a density that is appropriate in comparison to the oil (compressor oil), and should be further miscible with the oil. This avoids that the fluid, for example, a larger
- Object of the present invention is to provide a force heat engine of the type mentioned, and to provide a method for operating such a power heat engine, in which even at high densities of the fluids used in the power heat engine and their immiscibility is a particularly trouble-free operation. This task is accomplished by a power heater with the
- the collecting device comprises a mixing device, by means of which the fluid and the further fluid can be mixed to form an emulsion are .
- the use of such a mixing device produces as homogeneous a mixture as possible between the fluid used in the power heat engine, which serves as working fluid and the further fluid excreted, for example, by the compression device (eg compressor), which is formed, for example, as compressor oil.
- the compression device eg compressor
- the mixing device comprises the mixing device makes it possible to produce an emulsion of the disperse phase (further fluid) and the continuous phase (condensed and thus liquid fluid).
- the fluid leaving the condensation device (condenser) and the further fluid are passed on to the collector as a particularly homogeneous emulsion.
- the further fluid is formed as a compressor oil.
- the homogeneous mixture of the fluid with the other fluid ensures particularly far-reaching that a lubricant undersupply of the compressor (the compressor) is avoided. In other words, therefore, a particularly uniform lubrication of the compressor is ensured by the homogeneously distributed in the fluid compressor oil.
- the mixing device has a stirrer which is designed as a static mixer.
- a stirrer is a particularly inexpensive and efficient way of mixing the fluid with the further fluid to form an emulsion, especially when the stirrer is designed as a static mixer.
- the static mixer consists of flow influencing, e.g. a screw-forming elements which divide the fluid flow alternately and then merge again. In other words, therefore, their mixing is effected in a particularly efficient manner by the flow movement of the fluid and of the further fluid, and accordingly a particularly homogeneous emulsion with a particularly uniform distribution of very small drops of the further fluid in the fluid is produced.
- the mixing device is e.g. formed as the recorded in a pipe piece static stirrer.
- the collecting device has a magnetic stirrer.
- Such a magnetic stirrer can be made particularly compact and thus be used in a particularly small space for the formation of the emulsion of the fluid and the other fluid.
- the magnetic stirrer has a plurality of metallic wings.
- the additional fluid is distributed particularly rapidly and particularly homogeneously in the fluid, wherein the magnetic stirrer and the metallic wings can approach, for example, to the edge of the collector and thus a particularly intensive stirring or circulating the mixture of the fluid and the further fluid can be achieved.
- the metallic vanes are particularly simple and efficient turbulence generators for producing the homogeneous mixture in the form of the emulsion.
- the collecting device has a magnetic coil arranged at its edge region, by means of which the magnetic stirrer can be rotated .
- the magnetic stirrer can be rotated without contact, wherein a complex coupling of the magnetic stirrer with a mechanical drive unit, such as an electric motor, as well as a seal of respective coupling elements, for example, drive shafts, compared to a fluid outlet is superfluous.
- the border area corresponds to e.g. the outer wall (or outer circumferential surface) of a container receiving the fluid and the further fluid, which is e.g. is designed as a collector and in which the magnetic stirrer is received.
- the collecting device on a collector, which is formed of a non-magnetic material.
- the collector corresponds to a receptacle of the collecting device in which the fluid and the further fluid emerging from the condensation device are collected and buffered for further use. If the collector is made A non-magnetic material (eg, non-magnetic stainless steel) is formed, and a magnetic stirrer which is driven by a solenoid can be used particularly efficiently and without interference (by the collector) of a magnetic field constituted by the magnetic coil.
- Kraftbirmaschine with a fluid this fluid is evaporated by means of at least one evaporation device, compressed by means of a compression device, condensed by means of at least one condensation device and collected by a collector comprising a collector together with a fluid added to the fluid by means of the compression device further fluid, and the fluid by means of a Ex- expansion facility expands.
- the collecting device comprises a mixing device for mixing the fluid with the further fluid to form an emulsion.
- FIG. 1 is a schematic diagram of a heat pump cycle system as an example of a cogeneration machine, wherein a prior art collector is used to collect a fluid and another fluid which is formed as compressor oil;
- FIG. 1 is a schematic diagram of a heat pump cycle system as an example of a cogeneration machine, wherein a prior art collector is used to collect a fluid and another fluid which is formed as compressor oil;
- FIG. 2 shows a known from the prior art embodiment, wherein for emptying of the collector, a hot gas bypass leads from a pressure side of a compression device formed as a compressor in the collector;
- 3 shows a schematic representation of a circulatory system of a present invention as a heat pump force heat engine, wherein a collecting means of the power plant has a designed as a static mixer mixing means according to the invention, by means of which an emulsion of the fluid and the other fluid can be produced; a further schematic representation of another embodiment of the collecting device, wherein the mixing device according to the invention in this case comprises a magnetic stirrer with metallic wings and arranged on an edge region of the collecting means magnetic coil.
- FIG. 1 shows a schematic representation of a power heating machine 1, which is presently designed as a heat pump.
- the power heating machine 1 forms an evaporator formed evaporation device 3 together with a designed as a compressor or compressor compression device 4, as well as with a condenser formed as a condenser 5 and an expansion valve as expansion device 7 a circulatory system 2.
- the circulatory system 2 includes a not further illustrated piping system in which a Fluid 16 is guided.
- the fluid 16 corresponds to a fluid used in the power heat engine 1, which is subjected to evaporation, compression, condensation and subsequent expansion.
- This additional fluid 17 in this case corresponds to compressor oil, which as
- Lubricant is used to maintain trouble-free operation of the compression device 4.
- Circulation system 2 of the power heating machine 1 is not desirable, but can not be completely avoided.
- the fluid 16 and the additional fluid 17 added to the fluid 16 by means of the compression device 4 are moved in the circulatory system 2 of the power heating machine 1 in accordance with a fluid flow direction 10 illustrated with an arrow.
- the power heating machine 1 comprises a collecting device 6 with a collector 9.
- the collector 9 serves to buffer the fluid 16, so that always fluid fluid 16 in the expansion valve, so the Expansion device 7, passes.
- the other fluid 17 flows by itself in the collector 9 down to the expansion device 7, ie to the expansion valve.
- fluids 16 e.g., R134a
- Due to the miscibility floating compressor oil is dissolved in the fluid 16 and can flow with this to the expansion valve.
- FIG. 2 shows, with reference to a further schematic representation of the power heating machine 1, a hot gas bypass 18 which connects one pressure side of the compression device 4 to the collector 9.
- the pressure side corresponds to a point in the circulation system 2 in the fluid flow direction 10 behind the compression device 4 and before the condenser 5.
- further fluid 17 compressor oil
- the collecting device 6 comprises a mixing device 8, by means of which the fluid 16 and the other Fluid 17 are mixable into an emulsion.
- the mixing device 8 shown in FIG. 3 has a stirrer 11 designed as a static mixer, which is arranged in front of the collecting device 6 in the direction of fluid flow.
- the fluid 16 emerging from the condensation device 5 and the further fluid 17 by means of the mixing device 8 become an emulsion of a disperse phase consisting of the further fluid 17 (compressor oil) and a continuous phase consisting of the resulting the previous condensation liquid fluid 16 stirred.
- the oil droplets of the further fluid 17 are therefore distributed particularly finely by means of the mixing device 8 in the fluid 16.
- the mixing device 8 can be designed to be particularly simple and accordingly comprise a straight piece of pipe in which the stirrer 11 rotates according to a rotational movement 21 marked by an arrow.
- a more or less pronounced distribution, and consequently a more or less strong stirring is dependent on the subsequent residence time of the emulsion in the collector 9 required by the stirrer 11 of the mixing device 8.
- the collecting device 6 has a magnetic stirrer 12 with a plurality of metallic wings 13. Furthermore, the collecting device 6 has a magnetic coil 15 arranged at its edge region 14, by means of which the magnetic stirrer 12 is rotatable in accordance with the rotational movement 21.
- the edge region 14 corresponds to the outer surface of the container wall of the collector 9.
- the magnetic stirrer 12 is installed in the collector 9, that is to say the container or storage container, and is rotated by a traveling field of the magnetic coil 15. To a drive of the magnetic stirrer 12 by means of the magnetic coil 15th to ensure the collector 9 is formed of a non-magnetic material.
- the embodiment presented in FIG. 3 does not require any additional components, such as, for example, the magnetic coil 15, but reaches its limits for collectors 9, in which the emulsion is to be stored over a longer residence time.
- FIG 4 presented embodiment with the magnetic coil 15 is particularly suitable.
- an active mixing of the two fluids 16, 17 is therefore desired by means of the stirrer 11. Due to the formation of emulsions by means of the mixing device 8, fluids 16 can be used independently of their density and their mixing behavior with the respective further fluid 17 in the power heating machine 1, whereby an interruption of the heat output at the condensation device 5 or complex maintenance work is omitted.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020167025163A KR20160119229A (ko) | 2014-02-11 | 2015-02-04 | 열 엔진 및 열 엔진을 동작시키기 위한 방법 |
US15/115,997 US20170167763A1 (en) | 2014-02-11 | 2015-02-04 | Heat Engine And Method For Operating A Heat Engine |
CA2939132A CA2939132A1 (en) | 2014-02-11 | 2015-02-04 | Heat engine and method for operating a heat engine |
CN201580011299.3A CN106068428A (zh) | 2014-02-11 | 2015-02-04 | 热机和热机的运行方法 |
EP15704258.1A EP3087330A1 (de) | 2014-02-11 | 2015-02-04 | Kraftwärmemaschine und verfahren zum betreiben einer kraftwärmemaschine |
JP2016551269A JP2017508943A (ja) | 2014-02-11 | 2015-02-04 | 熱電併給機関および該熱電併給機関を動作させるための方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014202429.3 | 2014-02-11 | ||
DE102014202429.3A DE102014202429A1 (de) | 2014-02-11 | 2014-02-11 | Kraftwärmemaschine und Verfahren zum Betreiben einer Kraftwärmemaschine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015121116A1 true WO2015121116A1 (de) | 2015-08-20 |
Family
ID=52469820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/052241 WO2015121116A1 (de) | 2014-02-11 | 2015-02-04 | Kraftwärmemaschine und verfahren zum betreiben einer kraftwärmemaschine |
Country Status (8)
Country | Link |
---|---|
US (1) | US20170167763A1 (de) |
EP (1) | EP3087330A1 (de) |
JP (1) | JP2017508943A (de) |
KR (1) | KR20160119229A (de) |
CN (1) | CN106068428A (de) |
CA (1) | CA2939132A1 (de) |
DE (1) | DE102014202429A1 (de) |
WO (1) | WO2015121116A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10889158B2 (en) * | 2019-02-04 | 2021-01-12 | Ford Global Technologies, Llc | Motor vehicle including a climate control system with accumulator, and corresponding method |
DE102021215035A1 (de) | 2021-12-27 | 2023-06-29 | Robert Bosch Gesellschaft mit beschränkter Haftung | Wärmepumpeneinrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040003608A1 (en) * | 2002-07-08 | 2004-01-08 | Hirotsugu Takeuchi | Ejector cycle |
DE102005001160A1 (de) * | 2004-01-15 | 2005-09-01 | Denso Corp., Kariya | Spiralkompressor |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2096147A (en) * | 1934-07-19 | 1937-10-19 | Commw Engineering Corp | Refrigeration |
JPS4724324Y1 (de) * | 1969-10-23 | 1972-08-01 | ||
JPS4857760U (de) * | 1971-10-30 | 1973-07-23 | ||
JPS5226145Y2 (de) * | 1973-03-19 | 1977-06-14 | ||
JPH01199637A (ja) * | 1988-02-04 | 1989-08-11 | Nordson Kk | 短管内の攪拌翼を回転させる方法とその装置 |
JPH02152536A (ja) * | 1988-12-05 | 1990-06-12 | Shimadzu Corp | 溶液混合装置 |
JPH0542962U (ja) * | 1991-11-18 | 1993-06-11 | 三菱重工業株式会社 | 車両用空気調和装置 |
JP2000220911A (ja) * | 1999-01-27 | 2000-08-08 | Sanyo Electric Co Ltd | 熱交換器 |
JP2001009254A (ja) * | 1999-06-29 | 2001-01-16 | Shimadzu Corp | ミキサ |
DE10000082A1 (de) * | 1999-11-12 | 2001-05-17 | Guenter Frank | Dampfmotor und Verfahren zum Betreiben von Dampfmotoren |
JP2001221537A (ja) * | 2000-02-14 | 2001-08-17 | Sanyo Electric Co Ltd | 冷却装置 |
KR20060037052A (ko) * | 2004-10-27 | 2006-05-03 | 배덕수 | 팬을 구비한 수액기와, 그 수액기를 포함한 냉난방 공조장치 |
WO2008098117A2 (en) * | 2007-02-08 | 2008-08-14 | Linsheng Walter Tien | Magnetic stirring devices and methods |
CN201603524U (zh) * | 2009-11-13 | 2010-10-13 | 广州市道明化学有限公司 | 一种乳化装置 |
KR20140031319A (ko) * | 2011-05-17 | 2014-03-12 | 서스테인쓰, 인크. | 압축 공기 에너지 저장 시스템 내의 효율적인 2상 열전달을 위한 시스템 및 방법 |
-
2014
- 2014-02-11 DE DE102014202429.3A patent/DE102014202429A1/de not_active Withdrawn
-
2015
- 2015-02-04 US US15/115,997 patent/US20170167763A1/en not_active Abandoned
- 2015-02-04 CN CN201580011299.3A patent/CN106068428A/zh active Pending
- 2015-02-04 JP JP2016551269A patent/JP2017508943A/ja active Pending
- 2015-02-04 WO PCT/EP2015/052241 patent/WO2015121116A1/de active Application Filing
- 2015-02-04 KR KR1020167025163A patent/KR20160119229A/ko not_active Application Discontinuation
- 2015-02-04 CA CA2939132A patent/CA2939132A1/en not_active Abandoned
- 2015-02-04 EP EP15704258.1A patent/EP3087330A1/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040003608A1 (en) * | 2002-07-08 | 2004-01-08 | Hirotsugu Takeuchi | Ejector cycle |
DE102005001160A1 (de) * | 2004-01-15 | 2005-09-01 | Denso Corp., Kariya | Spiralkompressor |
Also Published As
Publication number | Publication date |
---|---|
US20170167763A1 (en) | 2017-06-15 |
EP3087330A1 (de) | 2016-11-02 |
CA2939132A1 (en) | 2015-08-20 |
DE102014202429A1 (de) | 2015-08-13 |
KR20160119229A (ko) | 2016-10-12 |
CN106068428A (zh) | 2016-11-02 |
JP2017508943A (ja) | 2017-03-30 |
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