WO2007137315A2 - Verfahren und eine vorrichtung zur umwandlung thermischer energie in mechanische arbeit - Google Patents
Verfahren und eine vorrichtung zur umwandlung thermischer energie in mechanische arbeit Download PDFInfo
- Publication number
- WO2007137315A2 WO2007137315A2 PCT/AT2007/000249 AT2007000249W WO2007137315A2 WO 2007137315 A2 WO2007137315 A2 WO 2007137315A2 AT 2007000249 W AT2007000249 W AT 2007000249W WO 2007137315 A2 WO2007137315 A2 WO 2007137315A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- working
- hydraulic
- pneumatic
- medium
- container
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/02—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for the fluid remaining in the liquid phase
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/005—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for by means of hydraulic motors
Definitions
- the present invention relates to a method and apparatus for converting thermal energy into mechanical work.
- US Pat. No. 3,803,847 A discloses a discontinuously operated process which can produce work by modifying heat with modest efficiency.
- Object of the present invention is to provide a method of the type described above in such a way that even under thermally unfavorable conditions, a high efficiency can be achieved, the apparatus design is minimized.
- such a method consists of the following steps, which are carried out as a cyclic process: Supply of a liquid working medium from a storage reservoir in a working container;
- a working medium having a suitable vapor pressure curve such as R134a, which is 1,1,1,2-tetrafluoroethane
- R134a which is 1,1,1,2-tetrafluoroethane
- the pressure is chosen so that this balance is maintained. In the case of R134a and an ambient temperature of about 20 0 C, this first pressure will be about 6 bar.
- the working fluid is transferred to a working container in which there is preferably a second higher pressure. The second pressure is for example 40 bar. The energy expenditure for the transfer can be minimized if in a preferred manner only liquid working medium is pumped into the working container.
- the working fluid is heated in the working container.
- heating the pressure is further increased and the working medium evaporates partially.
- the heating is preferably carried out by waste heat, for example from an internal combustion engine with internal combustion. When heated to 100 0 C, the waste heat can be optimally utilized.
- the working fluid is flowed into a pneumatic-hydraulic converter.
- This can take place after the second step, ie first the heat is completely supplied and then the connection between the working container and the pneumatic-hydraulic converter is produced.
- it may also be a partial or complete simultaneity of these steps, that is, that the medium is heated in the working container during the overflow into the pneumatic-hydraulic converter. In this way, the efficiency can be optimized because the entering due to the expansion of the working medium cooling is compensated immediately.
- the cycle time is shortened.
- the incoming working fluid displaces a present in the hydraulic chamber hydraulic medium, which is processed in a suitable machine, such as a hydraulic motor to produce mechanical work, which in turn can be used, for example, to generate electrical energy.
- the pneumatic-hydraulic converter is filled via a small pump again with the hydraulic medium, wherein the working fluid is displaced and is returned to the storage tank.
- the working fluid is passed through a second heat exchanger to make a temperature adjustment to ambient temperature can.
- the efficiency and performance of the system can be optimized if the possible phase transitions are used accordingly.
- the working medium should be moved only liquid in the first step, while in the third step, only the gas phase is transferred to the pneumatic-hydraulic converter.
- connection between the working container and the pneumatic-hydraulic converter is interrupted during the return of the working medium from the pneumatic-hydraulic converter into the supply storage. In this way overflow losses can be minimized.
- the cooling can be done by an ambient heat exchanger, so a conventional cooler, but it is also possible to use cooling capacity from the second heat exchanger, unless the cold is otherwise required, for example, for an air conditioner or a cooling unit.
- the working medium it is possible for the working medium to be guided out of the pneumatic-hydraulic converter through a second heat exchanger.
- low temperatures may arise in the second heat exchanger, which may be due to the expansion of the working medium. are gentle. These low temperatures can be used for cooling to save the energy needed there.
- a further optimization, in particular of the refrigeration production, can take place in that the working medium from the pneumatic-hydraulic converter is expanded to a depressurization pressure, which lies below the first pressure in the supply reservoir and is subsequently compressed to the first pressure.
- the present invention relates to a device for converting thermal energy into mechanical work, with a storage reservoir, a working container and a working machine for converting hydraulic work into mechanical work.
- the working container is in communication with a first heat exchanger to heat the working medium, that the working container is further connected to a pneumatic-hydraulic converter, which transfers the pressure of the working medium to a hydraulic medium, and that a return line for the working fluid from the pneumatic-hydraulic converter is provided in the storage reservoir.
- a particularly preferred embodiment of the invention provides that a plurality of working containers and pneumatic-hydraulic converter are connected in parallel.
- FIG. 1 represents the essential components of the system.
- Fig. 2 shows a typical vapor pressure curve of a working medium.
- a storage tank 1 In a storage tank 1 is a working medium, in which case, for example, a refrigerant such as R 134 a can be used.
- the working medium in the storage 1 is in phase equilibrium at ambient temperature and a pressure of about 6 bar before.
- the storage 1 is connected via a feed pump 2 with a working container 3, wherein this connection is switchable via a valve 4.
- a first heat exchanger 5 is arranged, which serves to heat the working medium in the working container 3.
- the heat exchanger 5 is via a feed pump 6 with waste heat an internal combustion engine, not shown here, supplied by internal combustion, for example, by passing water at 100 0 C through the first heat exchanger 5.
- the working container 5 is connected via an overflow line 7 with a first working space 8a of a pneumatic-hydraulic converter 8 in connection, which is designed as a bladder accumulator.
- the first working space 8a is separated from a second working space 8b by a flexible membrane 8c, which separates the two working spaces 8a, 8b from each other, but allows pressure equalization.
- the second working space 8b of the pneumatic-hydraulic converter 8 is connected to a hydraulic circuit which consists of a working machine 9 with a generator 10 flanged thereto, an oil reservoir 20, a return pump 17 and a third heat exchanger 11.
- the third heat exchanger 11 is supplied by a pump 12.
- Another working line 19 connects the first working space 8a of the pneumatic-hydraulic converter 8 with a second heat exchanger 16, which is connected via a feed pump 14 to the storage 1.
- the lines 7, 19 by valves 7a, 19a are selectively closed.
- liquid working medium is transferred from the storage tank 1 through the feed pump 2 in the working container 3, wherein the pressure of 6 bar is increased to 40 bar.
- the valve 4 is closed and there is a heating via the first heat exchanger 5. This heating is the second step. In this case, the waste heat from another process can be used.
- a fourth step hydraulic medium is transferred from the container 20 into the second working space 8b of the pneumatic-hydraulic converter 8 via the pump 17 returned and the working fluid from the first working chamber 8a passed through the now open valve 19a in the conduit 19 through the second heat exchanger 16 and relaxed.
- the heat absorbed by the working medium in the second heat exchanger 16 heat can be dissipated as a cooling capacity, for example, to operate a cooling system or air conditioning.
- FIG. 2 shows a typical vapor pressure curve of a working medium which can be used in the above-described cyclic process.
- This is the R 134a, ie 1,1,1,2-tetrafluoroethane, known as the refrigerating medium.
- the liquid phase is in equilibrium with the gas phase at ambient temperature at a pressure of about 6 bar. At a temperature of 100 0 C, this equilibrium pressure is about 40 bar.
- the present invention makes it possible to optimally utilize waste heat from other processes, such as the operation of an internal combustion engine, with a simple apparatus design.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Turning (AREA)
- Heat Treatment Of Articles (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2008015306A MX2008015306A (es) | 2006-06-01 | 2007-05-24 | Metodo y dispositivo para la conversion de energia termica en trabajo mecanico. |
JP2009512364A JP2009539005A (ja) | 2006-06-01 | 2007-05-24 | 熱エネルギを機械的仕事に変換する方法及び装置 |
CA002652928A CA2652928A1 (en) | 2006-06-01 | 2007-05-24 | Method and device for converting thermal energy into mechanical work |
US12/227,856 US20090229265A1 (en) | 2006-06-01 | 2007-05-24 | Method and Device for Converting Thermal Energy Into Mechanical Work |
BRPI0712746-4A BRPI0712746A2 (pt) | 2006-06-01 | 2007-05-24 | método e dispositivo para conversão de energia térmica em trabalho mecánico |
AT07718460T ATE487868T1 (de) | 2006-06-01 | 2007-05-24 | Verfahren und eine vorrichtung zur umwandlung thermischer energie in mechanische arbeit |
CN2007800192885A CN101484683B (zh) | 2006-06-01 | 2007-05-24 | 将热能转化为机械功的方法与装置 |
EP07718460A EP2029878B1 (de) | 2006-06-01 | 2007-05-24 | Verfahren und eine vorrichtung zur umwandlung thermischer energie in mechanische arbeit |
DE502007005619T DE502007005619D1 (de) | 2006-06-01 | 2007-05-24 | Verfahren und eine vorrichtung zur umwandlung thermischer energie in mechanische arbeit |
AU2007266295A AU2007266295A1 (en) | 2006-06-01 | 2007-05-24 | Method and device for converting thermal energy into mechanical work |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA950/2006 | 2006-06-01 | ||
AT0095006A AT503734B1 (de) | 2006-06-01 | 2006-06-01 | Verfahren zur umwandlung thermischer energie in mechanische arbeit |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007137315A2 true WO2007137315A2 (de) | 2007-12-06 |
WO2007137315A3 WO2007137315A3 (de) | 2008-12-04 |
Family
ID=38777785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2007/000249 WO2007137315A2 (de) | 2006-06-01 | 2007-05-24 | Verfahren und eine vorrichtung zur umwandlung thermischer energie in mechanische arbeit |
Country Status (15)
Country | Link |
---|---|
US (1) | US20090229265A1 (de) |
EP (1) | EP2029878B1 (de) |
JP (1) | JP2009539005A (de) |
KR (1) | KR20090018619A (de) |
CN (1) | CN101484683B (de) |
AT (2) | AT503734B1 (de) |
AU (1) | AU2007266295A1 (de) |
BR (1) | BRPI0712746A2 (de) |
CA (1) | CA2652928A1 (de) |
DE (1) | DE502007005619D1 (de) |
ES (1) | ES2356091T3 (de) |
MX (1) | MX2008015306A (de) |
RU (1) | RU2429365C2 (de) |
WO (1) | WO2007137315A2 (de) |
ZA (1) | ZA200809859B (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010031334A1 (zh) * | 2008-09-17 | 2010-03-25 | Sun Fujiang | 低温气体能量转换装置 |
WO2009066171A3 (en) * | 2007-11-23 | 2010-04-15 | Christoph Schwienbacher | Method and apparatus for recovering energy from driving engines |
EP3599440A1 (de) * | 2018-07-24 | 2020-01-29 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur verdichtung eines gases |
WO2022086312A1 (fr) * | 2020-10-19 | 2022-04-28 | Byah Ahmed | Convertisseur d'énergie calorifique d' origine solaire stockée dans les eaux des océans et dans l'atmosphère en énergie électrique. |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8800280B2 (en) * | 2010-04-15 | 2014-08-12 | Gershon Machine Ltd. | Generator |
BR112012026138A2 (pt) * | 2010-04-15 | 2017-07-18 | Gershon Machine Ltd | gerador e método para gerar energia de saída com o uso do gerador |
US9540963B2 (en) | 2011-04-14 | 2017-01-10 | Gershon Machine Ltd. | Generator |
KR101755804B1 (ko) | 2015-07-07 | 2017-07-07 | 현대자동차주식회사 | 폐열회수시스템의 회수동력 전달장치 |
DE102016205359A1 (de) * | 2016-03-31 | 2017-10-05 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Verdichten eines Fluids |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3803847A (en) | 1972-03-10 | 1974-04-16 | Alister R Mc | Energy conversion system |
US4617801A (en) | 1985-12-02 | 1986-10-21 | Clark Robert W Jr | Thermally powered engine |
WO2000026509A1 (es) | 1998-11-03 | 2000-05-11 | Francisco Moreno Meco | Motor de fluidos con bajo punto de evaporacion |
JP2002089209A (ja) | 2000-09-07 | 2002-03-27 | Hideo Komatsu | ガスタービン‐水力コンバインド発電装置 |
WO2003081011A1 (en) | 2002-03-27 | 2003-10-02 | Richard Laurance Lewellin | Engine for converting thermal energy to stored energy |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US2900793A (en) * | 1954-04-06 | 1959-08-25 | Sulzer Ag | Condensing steam heated boiler feed water heating system including a condensate operated turbine |
DE2210981A1 (de) * | 1971-03-19 | 1972-09-21 | Europ Propulsion | Hydraulische Wärmekraftmaschine |
US4031705A (en) * | 1974-11-15 | 1977-06-28 | Berg John W | Auxiliary power system and apparatus |
GB1536437A (en) * | 1975-08-12 | 1978-12-20 | American Solar King Corp | Conversion of thermal energy into mechanical energy |
JPS55128608A (en) * | 1979-03-23 | 1980-10-04 | Ishikawajima Harima Heavy Ind Co Ltd | Apparatus in use of heat accumulating material for converting thermal energy into mechanical force |
JPS56135705A (en) * | 1980-03-28 | 1981-10-23 | Sumitomo Heavy Ind Ltd | Energy-collecting method for taking out power continuously from steam fed intermittently |
US4393653A (en) * | 1980-07-16 | 1983-07-19 | Thermal Systems Limited | Reciprocating external combustion engine |
JPH0347403A (ja) * | 1989-07-13 | 1991-02-28 | Toshiba Corp | 蒸気タービンの水滴除去装置 |
AUPM859994A0 (en) * | 1994-10-04 | 1994-10-27 | Thermal Energy Accumulator Products Pty Ltd | Apparatus and method relating to a thermovolumetric motor |
JPH09222003A (ja) * | 1996-02-19 | 1997-08-26 | Isao Nihei | 熱エネルギーを動力に変換する方法 |
DE102004003694A1 (de) * | 2004-01-24 | 2005-11-24 | Gerhard Stock | Anordnung zum Umwandeln von thermischer in motorische Energie |
-
2006
- 2006-06-01 AT AT0095006A patent/AT503734B1/de not_active IP Right Cessation
-
2007
- 2007-05-24 ES ES07718460T patent/ES2356091T3/es active Active
- 2007-05-24 RU RU2008152408/06A patent/RU2429365C2/ru not_active IP Right Cessation
- 2007-05-24 JP JP2009512364A patent/JP2009539005A/ja active Pending
- 2007-05-24 DE DE502007005619T patent/DE502007005619D1/de active Active
- 2007-05-24 EP EP07718460A patent/EP2029878B1/de not_active Not-in-force
- 2007-05-24 AT AT07718460T patent/ATE487868T1/de active
- 2007-05-24 KR KR1020087029368A patent/KR20090018619A/ko not_active Application Discontinuation
- 2007-05-24 WO PCT/AT2007/000249 patent/WO2007137315A2/de active Application Filing
- 2007-05-24 BR BRPI0712746-4A patent/BRPI0712746A2/pt not_active IP Right Cessation
- 2007-05-24 US US12/227,856 patent/US20090229265A1/en not_active Abandoned
- 2007-05-24 CA CA002652928A patent/CA2652928A1/en not_active Abandoned
- 2007-05-24 AU AU2007266295A patent/AU2007266295A1/en not_active Abandoned
- 2007-05-24 MX MX2008015306A patent/MX2008015306A/es active IP Right Grant
- 2007-05-24 CN CN2007800192885A patent/CN101484683B/zh not_active Expired - Fee Related
-
2008
- 2008-11-19 ZA ZA200809859A patent/ZA200809859B/xx unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3803847A (en) | 1972-03-10 | 1974-04-16 | Alister R Mc | Energy conversion system |
US4617801A (en) | 1985-12-02 | 1986-10-21 | Clark Robert W Jr | Thermally powered engine |
WO2000026509A1 (es) | 1998-11-03 | 2000-05-11 | Francisco Moreno Meco | Motor de fluidos con bajo punto de evaporacion |
JP2002089209A (ja) | 2000-09-07 | 2002-03-27 | Hideo Komatsu | ガスタービン‐水力コンバインド発電装置 |
WO2003081011A1 (en) | 2002-03-27 | 2003-10-02 | Richard Laurance Lewellin | Engine for converting thermal energy to stored energy |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009066171A3 (en) * | 2007-11-23 | 2010-04-15 | Christoph Schwienbacher | Method and apparatus for recovering energy from driving engines |
WO2010031334A1 (zh) * | 2008-09-17 | 2010-03-25 | Sun Fujiang | 低温气体能量转换装置 |
EP3599440A1 (de) * | 2018-07-24 | 2020-01-29 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur verdichtung eines gases |
WO2020020720A1 (de) * | 2018-07-24 | 2020-01-30 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur verdichtung eines gases |
WO2022086312A1 (fr) * | 2020-10-19 | 2022-04-28 | Byah Ahmed | Convertisseur d'énergie calorifique d' origine solaire stockée dans les eaux des océans et dans l'atmosphère en énergie électrique. |
Also Published As
Publication number | Publication date |
---|---|
KR20090018619A (ko) | 2009-02-20 |
ES2356091T3 (es) | 2011-04-04 |
DE502007005619D1 (de) | 2010-12-23 |
AT503734A1 (de) | 2007-12-15 |
CN101484683B (zh) | 2012-02-22 |
AT503734B1 (de) | 2008-11-15 |
AU2007266295A1 (en) | 2007-12-06 |
JP2009539005A (ja) | 2009-11-12 |
ATE487868T1 (de) | 2010-11-15 |
BRPI0712746A2 (pt) | 2012-09-11 |
MX2008015306A (es) | 2009-03-06 |
RU2429365C2 (ru) | 2011-09-20 |
CA2652928A1 (en) | 2007-12-06 |
EP2029878A2 (de) | 2009-03-04 |
US20090229265A1 (en) | 2009-09-17 |
RU2008152408A (ru) | 2010-07-20 |
ZA200809859B (en) | 2009-11-25 |
EP2029878B1 (de) | 2010-11-10 |
CN101484683A (zh) | 2009-07-15 |
WO2007137315A3 (de) | 2008-12-04 |
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