CN1162985A - A thermo-volumetric motor - Google Patents
A thermo-volumetric motor Download PDFInfo
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- CN1162985A CN1162985A CN 95196049 CN95196049A CN1162985A CN 1162985 A CN1162985 A CN 1162985A CN 95196049 CN95196049 CN 95196049 CN 95196049 A CN95196049 A CN 95196049A CN 1162985 A CN1162985 A CN 1162985A
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The invention relates to a thermal-volume engine (10), which includes a continuous incompressible fluid passage (12) in hydraulic circuit form, a continuous compressible fluid passage (14) in refigeration pipeline form, and a solar energy collector (18) which is used for absorption of heat from heat source which is sunlight in the present embodiment. The hydraulic circuit (12) includes pressure transmission devices which are a pair of parallel arranged hydraulic cylinders (20A, 20B) in the present embodiment. And the hydraulic circuit (12) further includes actuating devices which is hydraulic motor (22) in the present embodiment. The refigeration passage (14) includes a pump (28) coupled working with the hydraulic motor (22) and heat transferring device which is a second heat exchanger (25), further includes cooling device which is a first accumulator or condenser (32) which is used for cooling the refrigerant. The second heat exchanger (25) includes a housing and pipe, wherein the refrigerant flows through a spiral pipe, and a first phase change material such as sodium acetate salt-trihydrate is contained in a casing. In working, the sunlight collected by the solar energy collector (18) is used for melting the first phase change material, afterwards, the refrigrant flows through the second heat exchanger (25) for cooling and condensing the first phase change material to release latent heat. Then, the refrigrant expends and is sprayed into one of the hydraulic cylinders (20A, 20B) as to push pistons (36A, 36B) which promote hydraulic oil to make the same to drive the hydraulic motor (22) which can be used for providing kinetic energy.
Description
The present invention relates to a kind of thermo-volumetric motor, particularly a kind of-but not exclusive-hydraulic driving thermo-volumetric motor.More particularly, the hydraulic driving thermo-volumetric motor that the present invention relates to and a kind of phase change material heat-shift with higher latent heat of fusion.The invention still further relates to utilization and produce the method for motion with latent heat form energy stored.
Commercial kind with motor emerges in an endless stream.Usually, these motors are to drive by two or more the combination in fuel oil, electric power, solar energy or these energy.But each energy all has the shortcoming of himself.For example, most of fuel oils all produce environmentally harmful gas when burning.In addition, if fuel oil does not have perfect combustion, its unburned part emits, and is also harmful to environment.
Other energy, the electricity that produces as photovoltaic cell has been used to drive motor.In remote districts, power supply is subjected to certain limitation, if in the such kind of area with the electric energy of battery stores abundance, need very big space, price is relatively costly and heavy.Itself is subjected to the restriction of following factors at least the utilization of solar energy: solar energy only could utilize at the hour that sunlight is arranged, and its intensity is along with the difference in season in 1 year and change.Perhaps can't utilize solar energy as a kind of alternative energy source in cold especially area at all.In addition, utilize photovoltaic cell electrogenesis in next life power also relatively more expensive.
When solar energy was used as a kind of energy, it normally was absorbed on the trap screen board.The heat that absorbs from screen board drives motor or generator at last in a different manner with the form and the fluid exchange of specific heat.Have only quite few energy to store with the specific heat form, for example the power of solar-cell motor is also less.In addition, utilize solar energy to drive the restriction that motor or generator also are subjected to photovoltaic cell and storage battery price.
The intent of the present invention provides a kind of thermo-volumetric motor, and it can be with higher efficient operation and environmental sound.
The thermo-volumetric motor that is provided comprises according to a first aspect of the invention:
One continuous incompressible fluid path is used for carrying basic incompressible fluid, and described incompressible fluid path has pressure transfer device and actuator, and fluid communication is arranged each other; And
One continuous compressible fluid path, be used for carrying basic compressible fluid, described compressible fluid path has heat-transfer arrangement, it and pressure transfer device have fluid communication, described heat-transfer arrangement includes first phase change material of higher latent heat of fusion, during operation, heat from thermal source is absorbed by first phase change material, makes to have a part of first phase change material fusing at least, after this, when this a part of first phase change material solidifies and discharges latent heat, the described latent heat of compressible flow bulk absorption and expanding, thus pressure transfer device promoted, and incompressible fluid is forced to along the incompressible fluid path move, and then the driving actuator, described device just can be used to provide kinetic energy.
In general, continuously the compressible fluid path also comprises cooling unit, and it and heat-transfer arrangement and pressure transfer device have fluid communication.After pressure transfer device discharged, cooling unit cooled off described fluid at described compressible fluid.
Preferably, the compressible fluid path also comprises a pump that is coupled with actuator work continuously.Between described pump and heat-transfer arrangement, cooling unit and the pressure transfer device fluid communication is arranged, wherein actuator is used for driven pump, and pump pumps into the compressible fluid path with compressible fluid.
In general, thermo-volumetric motor also has a heat trap, between it and the heat-transfer arrangement conductive thermal exchange is arranged, and during operation, the heat that heat trap absorbs from a thermal source can be delivered to first phase change material in the heat-transfer arrangement.
Preferably, pressure transfer device comprises a piston slidably in cylinder body.One side of piston has a compressible flow body cavity, described chamber can be used to hold compressible fluid, opposite side at piston, an incompressible flow body cavity is arranged, described chamber can be used to hold incompressible fluid, and during operation, compressible fluid expands under the effect of heat-transfer arrangement, and promote piston, thereby force incompressible fluid to pass through the incompressible fluid path with respect to cylinder moving.
Preferably, pressure transfer device comprises the first piston and second piston, is arranged in first cylinder body and second cylinder body separately slidably.One side of piston has a compressible flow body cavity, this chamber is used for holding compressible fluid, opposite side at piston has an incompressible flow body cavity, this chamber is used for holding incompressible fluid, during operation, compressible fluid expand into the compressible flow body cavity of first cylinder body, wherein first piston is with respect to first movement of cylinder block, thereby force incompressible fluid to enter the incompressible fluid path, and promote second piston with respect to second movement of cylinder block, after this, compressible fluid just expands in the compressible flow body cavity that enters second cylinder body.
In general, cooling unit is first accumulator, and it accommodates higher latent heat of fusion and more low-melting second phase change material, during operation, is absorbed by second phase change material from the heat of compressible fluid, so cooling is by the compressible fluid of cooling unit.
In a scheme, thermo-volumetric motor also comprises a heat exchanger, it and actuator and cooling unit have fluid communication, during operation, pass to compressible fluid and make the compressible flow volumetric expansion through heat exchanger when incompressible fluid is extruded from pressure transfer device.
In addition, heat-transfer arrangement also comprises heat exchanger, makes the heat that produces when pressure transfer device is forced out when incompressible fluid to pass to compressible fluid by first phase change material that is included in the heat-transfer arrangement.
In general, trap is a solar collector, is used for collecting the sunlight as thermal source.In addition, thermal source can be a used heat.
In an example, actuator is an oil hydraulic motor.
In general heat-transfer arrangement comprises:
Article one, first pipeline is used for carrying compressible fluid, makes it pass through heat-transfer arrangement; And
A housing holds first phase change material, and the described material and first pipeline have conductive thermal exchange, and during operation, latent heat passes to compressible fluid by first pipeline of heat-transfer arrangement from first phase change material.
More generally, heat-transfer arrangement also comprises a chuck around housing, is used for holding thermal fluid, and during operation, heat passes to first phase change material from thermal fluid, thereby with fusing of first phase change material and storage latent heat.
In this example, between chuck and heat trap conductive thermal exchange is arranged, the heat that wherein is collected the device absorption passes to first phase change material by thermal fluid.
In another example, heat-transfer arrangement also has one second accumulator, holds third phase and becomes material.Between described second reservoir and heat trap conductive thermal exchange is arranged, described thermal fluid flows to chuck is become material before by third phase latent heat institute preheating.
Method according to the generation kinetic energy that second aspect present invention provided may further comprise the steps:
First phase change material in heat-transfer arrangement absorbs heat from a certain thermal source, wherein has a part of first phase change material fusion at least, and described first phase change material has higher latent heat of fusion;
First phase change material is passed to compressible fluid to latent heat by solidifying, thereby makes the compressible flow volumetric expansion;
With the compressible fluid incoming pressure transfer unit that expands and drive this pressure transfer device, thereby force incompressible fluid to enter actuator, thereby produce kinetic energy by actuator.
In general, the method also comprises a cooling compressible fluid, and makes described fluid turn back to the step of heat-transfer arrangement.
Preferably, this method also comprises the step that drives a pump that is coupled with actuator work, wherein utilize described pump with the compressible fluid pump in heat-transfer arrangement.
More generally, this method comprises that also one absorbs the step that heat is delivered to trap from certain thermal source, and wherein absorbed heat is delivered to first phase change material in the heat-transfer arrangement.
Preferably, the step of cooling compressible fluid comprises: have higher latent heat of fusion and more low-melting second phase change material carries out heat exchange with a kind of, thereby from compressible flow bulk absorption heat, wherein compressible fluid is cooled.
In general, the method also comprises a step from incompressible fluid transfer ratio heat, and when incompressible fluid is forced to extrude when heat exchanger is delivered to compressible fluid from pressure transfer device, described specific heat has just produced.
In general, it is respectively first, second and/or the 3rd hydrated salt that first, second and/or third phase become material, and every kind all has higher latent heat of fusion.
More generally, the fusing point of the first and the 3rd hydrated salt is between 0 ℃ to 100 ℃.
Preferably, the latent heat of fusion of the first and the 3rd hydrated salt is greater than 50 kilocalories/liter.
In one example, the first and/or the 3rd hydrated salt is to be made of sodium acetate three hydrated salts or its derivative.
In general, second hydrated salt has and is lower than 0 ℃ fusing point.
In one example, second hydrated salt is made up of the mixture of the sodium chloride with stoichiometric(al), calcium chloride and softened water.
In general, incompressible fluid is a kind of liquid hydrocarbon, as oily or derivatives thereof.
Preferably, compressible fluid is a kind of refrigerant, as the monochlorodifluoromethane or derivatives thereof.
More preferably, refrigerant does not contain the halogen family element.
In order to understand essence of the present invention better, by way of example the preferred embodiment of the apparatus and method that relate to thermo-volumetric motor is done more detailed explanation referring now to accompanying drawing.Wherein:
Fig. 1 is the schematic representation of thermo-volumetric motor preferred embodiment.
As shown in Figure 1, thermo-volumetric motor 10 comprises: 12, one a compressible fluid path 14 and the solar collectors 18 that adopt refrigeration pipeline form of continuous incompressible fluid path that adopt the hydraulic circuit form.Hydraulic circuit 12 and refrigeration pipeline 14 are used for distinguishing delivery hydraulic pressure oil and refrigerant fluid, and the latter is monochlorodifluoromethane or its derivative in the present embodiment.Solar collector 18 is used for absorbing heat from a certain thermal source, and thermal source is a sunlight in the present embodiment.
In the present embodiment, each oil hydraulic cylinder 20A, 20B have piston 36A, a 36B, they respectively in cylinder body 38A, 38B slidably.Side at each piston 36A, 36B has compressible flow body cavity 40A, 40B, and at its opposite side incompressible flow body cavity 42A, 42B is arranged.Compressible flow body cavity and incompressible flow body cavity 40,42 are used for capacity refrigerant and hydraulic oil respectively.
Heat-transfer arrangement also comprises one second accumulator 16, and it holds the third phase with higher latent heat of fusion and becomes material.Third phase becomes material and is contained in the container 49.A pipe 51 is arranged on the container 49, be used for the recirculation of the current of the chuck 53 by second heat exchanger 25.Electrical fluid transmission pump (not shown) is used for the recirculation by the current of second heat exchanger 25.To become material approximately be that 58 ℃ this 3rd hydrated salt of sodium acetate three hydrated salts is formed by fusing point to third phase in the present embodiment.Second accumulator 16 can adopt multiple structural type, and can hold any selected phase change material, and this depends primarily on the boiling point of selected refrigerant.
Water is used for transmitting the used heat of solar collector 18 absorptions to second accumulator 16 as thermal fluid in the present embodiment.Water is carried by recirculation pipe 42, and described pipe is snakelike, is placed among the bottom below the IMPERSPRAY coating.In the present embodiment, the water of the heat collected of solar collector 18 by the recirculation pipe 42 of flowing through passes to the 3rd hydrated salt in second accumulator 16.First hydrated salt in second heat exchanger 25 is then heated by the recirculation water between the chuck 53 of second accumulator 16 and second heat exchanger 25.
Each the first electromagnetic actuating valve 30A, 30B are used for to each oil hydraulic cylinder 20 alternative supply refrigerant.Refrigerant flows into compressible sap cavity 40A, the 40B of cylinder body 20A, 20B.
In the present embodiment, pump 28 is positive-displacement pumps, comprises set of gears mechanism, is used for refrigerant pump in second heat exchanger 25.Pump 28 is driven by endless belt 34 by oil hydraulic motor during operation.
Fig. 1 also further shows, each element in oil circuit 12 and the refrigerant pathway 14 be connected the continuous flow path that produces know clearly hydraulic oil and refrigerant.Suitable pipeline, joint and other annexes are used for being connected described each element.
Downstream at incompressible flow body cavity 42A, the 42B of each oil hydraulic cylinder 20A, 20B is equipped with a downstream safety check 48, and it is included in the hydraulic oil path 12.In the upstream of each incompressible flow body cavity 42A, 42B a upstream safety check 50 is arranged, be included in the hydraulic circuit 12.There are second couple of electromagnetic actuating valve 52A, 52B in downstream at compressible flow body cavity 40A, the 40B of each oil hydraulic cylinder 20A, 20B, and they are included in the refrigeration path 14.
Now the running of above-mentioned thermo-volumetric motor 10 is only done more detailed explanation by way of example.Sunlight is absorbed by the upper surface of solar collector 18 as a thermal source.The heat of collecting from solar collector 18 is delivered to second accumulator 16 by the water as thermal fluid the present embodiment immediately.The fusing point that holds in the container 49 of second accumulator 16 is about 58 ℃ the 3rd hydrated salt and is heated, and wherein has a part of salt fusing at least and with latent heat form stored energy.After this, the recirculation water cooling between the chuck of second accumulator 16 and second heat exchanger 25 and a part the 3rd hydrated salt that condenses, thus heated by the latent heat of fusion of the 3rd hydrated salt.The water of heating again with second heat exchanger 25 in first hydrated salt do heat exchange, at least can be with the fusing of this salt of a part.
Refrigerant flows through first pipe of second heat exchanger 25, causes first hydrated salt to solidify, and discharges its latent heat of fusion.Hydraulic oil flows through the housing of first heat exchanger 24, also can with refrigerant with specific heat form exchanged heat, thereby refrigerant was preheated before flowing into second heat exchanger 25.This will help to reduce in order to make the needed heat of drawing from first hydrated salt of refrigerant evaporation.
When being heated by first hydrated salt, refrigerant expands, preferably evaporation, and flow into the first electromagnetic actuating valve 30A, 30B.One of first solenoid valve 30A opens immediately, and the refrigerant that discharges pressure enters the compressible flow body cavity 40A of one of oil hydraulic cylinder 20A.When the first solenoid valve 30A opened, the second electromagnetic actuating valve 52A closed.The another one first electromagnetic actuating valve 30B also closes.
After this refrigerant promotes piston 36A downwards, as shown in Figure 1, and with the discharge of the hydraulic oil among incompressible flow body cavity 42A cylinder body 20A.Hydraulic oil just drives oil hydraulic motor 22, and the positive-displacement pump 28 in described motor and the refrigeration path 14 is used and drives described pump rotation.When hydraulic oil is discharged from oil hydraulic cylinder 20A and flows through downstream safety check 48, be heated, pass through the housing of first heat exchanger 24 subsequently.Oil when flowing through the pipe of heat exchanger 24 heat is passed to refrigerant than hot mode.When piston 36 when top dead center moves to lower dead center, the oily volume-variation in the incompressible flow body cavity 42 is 7 to 1 than approximately.
In case piston 36A has moved a full stroke in cylinder body 38A, the second electromagnetic actuating valve 52A just opens, and oil is just discharged from incompressible fluid chamber 42A.Oil flows among the incompressible flow body cavity 42B of another oil hydraulic cylinder 20B by downstream safety check 50B subsequently.So piston 36B is pushed to the top by hydraulic oil, as shown in Figure 1.When piston 36B arrived at its stroke summit, the first solenoid valve 30B opened, and the second solenoid valve 52B closes, and at this moment refrigerant flows to compressible fluid chamber 40B, forced oil to flow through downstream safety check 48B from incompressible fluid chamber 42B.The oil circuit 12 and drive oil hydraulic motor 22 because two piston 36A, 36B alternate reciprocating motion, oil just continued to flow, described motor is used to provide kinetic energy.
Can control the difference opening and closing of first, second solenoid valve 30 and 52, make the to-and-fro motion of piston 36 to change, thus the timing of control motor 10, and kinetic energy just can for example be used for driving generator and produce electric power.
When positive-displacement pump 28 is driven by oil hydraulic motor 22, with refrigerant pump to first and second heat exchangers 24,25 and first electromagnetic actuating valve 30.When refrigerant flows to condenser 32 when the compressible flow body cavity 40 of each oil hydraulic cylinder 20 is discharged.In the present embodiment, second hydrated salt forms by the sodium chloride with stoichiometric(al), calcium chloride and softened water are mixed, and its fusing point approximately is-21 ℃.Mean temperature when this temperature preferably is lower than refrigerant from each oil hydraulic cylinder 20A, 20B discharge.Form with latent heat when second hydrated salt passes through condenser 32 absorbs heat from refrigerant.Refrigerant cooled off before pump goes downstream by positive-displacement pump 28, preferably condensed.
For the personnel of correlative technology field, obviously the present invention has following advantage at least than the technology of announcing in the past:
1) solar energy or used heat can drive thermo-volumetric motor effectively by the phase change material that utilization has a higher latent heat of fusion;
2) compare with for example solar-cell motor according to thermo-volumetric motor of the present invention higher efficient is arranged;
3) thermo-volumetric motor discharge harmful not is safer to environment; And
4) compare with for example mineral fuel, in general the energy such as solar energy that thermo-volumetric motor utilized be the unlimited energy.
Obviously, for the personnel of correlative technology field, under the situation of the essence spirit of not violating institute of the present invention foundation and basic conception, very big variation and modification can also be arranged to the concrete apparatus and method about thermo-volumetric motor set forth above.For example, heat-transfer arrangement also can utilize other thermals source to heat except described herein utilizing solar energy.The used heat that for example a certain manufacturing process produces just can realize to the first phase change material heat supply periodically that latent heat stores.Can hold in heat-transfer arrangement and/or the cooling unit and aforementioned different phase change material, also can accommodate the multiple phase change material of different melting points simultaneously.Heat-transfer arrangement also is not limited to the above-mentioned housing shape and the heat exchanger of tubular form.Pump, oil hydraulic motor and sparger etc. also can take various ways, every kind of form that essentially identical function is all arranged as the aforementioned in addition, thereby keep within the scope of the present invention.Condenser can be can't help second phase change material and be driven, and adopts some other cooling medium.Hydraulic oil or incompressible fluid can not resemble and carry out heat exchange with refrigerant or compressible fluid aforementioned.This thermo-volumetric motor does not need aforementioned second accumulator, and can rely on first phase change material that is contained in the heat-transfer arrangement to store latent heat uniquely.Preferably, compressible fluid is not aforesaid halogenated hydrocarbon.All such changes and modifications all are considered in scope of the present invention, and clear and definite in the essence of the present invention explanation in front.
Claims (30)
1. thermo-volumetric motor comprises:
One continuous incompressible fluid path is used for carrying basic incompressible fluid, and described incompressible fluid path includes pressure transfer device and actuator, and fluid communication is arranged each other; And
One continuous compressible fluid path, be used for carrying basic compressible fluid, described compressible fluid path includes heat-transfer arrangement, it and pressure transfer device have fluid communication, described heat-transfer arrangement comprises first phase change material with higher latent heat of fusion, during operation, heat is absorbed by first phase change material from a thermal source, make and have a part of first phase change material fusing at least, after this, when described part first phase change material solidifies and discharges latent heat, compressible fluid just absorbs described latent heat and expands, thereby promotes pressure transfer device, so incompressible fluid just is forced to flow along the incompressible fluid path, and then the driving actuator, described device just can be used to produce kinetic energy.
2. thermo-volumetric motor according to claim 1, it is characterized in that, described continuous compressible fluid path also comprises cooling unit, between it and heat-transfer arrangement and pressure transfer device fluid communication is arranged, wherein when described compressible fluid after pressure transfer device discharges, cooling unit just can be used to cool off described compressible fluid.
3. thermo-volumetric motor according to claim 2, it is characterized in that, the compressible fluid path also comprises a pump that is coupled with actuator work continuously, between it and heat-transfer arrangement, cooling unit and pressure transfer device fluid communication is arranged, the work of the motion driven pump of actuator, with the compressible fluid pump to the compressible fluid path.
4. according to the described thermo-volumetric motor of aforementioned arbitrary claim, it is characterized in that, also comprise a trap, between it and heat-transfer arrangement conductive thermal exchange is arranged, during operation, trap passes to first phase change material that is included in the heat-transfer arrangement from the heat that a certain thermal source absorbs.
5. according to the described thermo-volumetric motor of aforementioned arbitrary claim, it is characterized in that, described pressure transfer device contains a piston that slides in cylinder body, one side of piston has a compressible flow body cavity, described compressible flow body cavity is used for holding compressible fluid, at the relative opposite side of piston an incompressible flow body cavity is arranged, described incompressible flow body cavity is used for holding incompressible fluid, during operation, compressible flow volumetric expansion under the effect of heat-transfer arrangement, promote piston with respect to movement of cylinder block, thereby force incompressible fluid to pass through the incompressible fluid path.
6. according to each described thermo-volumetric motor in the claim 1 to 4, it is characterized in that, described pressure transfer device includes respectively in first cylinder body and second cylinder body slidably first piston and second piston, one side of described piston has a compressible flow body cavity, described compressible flow body cavity is used for holding compressible fluid, at the relative opposite side of piston an incompressible flow body cavity is arranged, described incompressible flow body cavity is used for holding incompressible fluid, during operation, the compressible flow volumetric expansion enters in the compressible flow body cavity of first cylinder body, make first piston with respect to first movement of cylinder block, thereby force incompressible fluid to pass through the incompressible fluid path, and then promote second piston with respect to second movement of cylinder block, and after this, the compressible flow body cavity that compressible fluid just expands and enters second cylinder body.
7. thermo-volumetric motor according to claim 2, it is characterized in that, described cooling unit is first accumulator, it holds and has higher latent heat of fusion and more low-melting second phase change material, during operation, the heat of compressible fluid is absorbed by second phase change material, thereby cooling is by the compressible fluid of cooling unit.
8. thermo-volumetric motor according to claim 2, it is characterized in that, also has a heat exchanger, it and actuator and cooling unit have fluid communication, during operation, incompressible fluid passes to compressible fluid in the heat that is produced by heat exchanger when pressure transfer device is discharged from, thereby makes described compressible fluid expanded by heating.
9. thermo-volumetric motor according to claim 8, it is characterized in that, described heat-transfer arrangement also comprises a heat exchanger, and incompressible fluid can pass to compressible fluid by first phase change material that is contained in the heat-transfer arrangement in the heat that produces when pressure transfer device is discharged from.
10. thermo-volumetric motor according to claim 4 is characterized in that, described trap is a solar collector, is used for absorbing the sunlight that is taken as thermal source.
11., it is characterized in that described actuator is an oil hydraulic motor according to the described thermo-volumetric motor of aforementioned arbitrary claim.
12., it is characterized in that described heat-transfer arrangement comprises according to the described thermo-volumetric motor of aforementioned arbitrary claim:
First pipe is used for transporting compressible fluid and passes through heat-transfer arrangement;
One housing, in adorn first phase change material, between described first phase change material and first pipe conductive thermal exchange is arranged, during operation, by described heat-transfer arrangement first the pipe, latent heat passes to compressible fluid from first phase change material.
13. thermo-volumetric motor according to claim 12, it is characterized in that, described heat-transfer arrangement also comprises a chuck around housing, be used for holding thermal fluid, during operation, heat is passed to first phase change material from thermal fluid, thereby melts first phase change material and store latent heat.
14. according to claim 13, when being subordinated to claim 4, described thermo-volumetric motor is characterized in that, described chuck and described trap have conductive thermal exchange, and by thermal fluid, the heat that described trap absorbs passes to first phase change material.
15. thermo-volumetric motor according to claim 14, it is characterized in that, described heat-transfer arrangement also comprises one second accumulator, hold third phase and become material, described second accumulator and trap have conductive thermal exchange, are become the latent heat preheating of material before described thermal fluid flows to chuck by third phase.
16. a method that produces kinetic energy comprises the following steps:
First phase change material in the heat-transfer arrangement absorbs heat from a thermal source, wherein has a part of first phase change material fusion at least, and described first phase change material has higher latent heat of fusion;
When first phase change material solidifies latent heat passed to compressible fluid and make its expansion;
Thereby the compressible fluid that has expanded enters pressure transfer device and promotes pressure transfer device, and then forces incompressible fluid to flow into an actuating device, produces kinetic energy by described actuator.
17. the method for generation kinetic energy according to claim 16 is characterized in that, also comprises a cooling compressible fluid and makes it turn back to the step of heat-transfer arrangement.
18. the method according to claim 16 or 17 described generation kinetic energy is characterized in that, also comprises the step that drives a pump that is coupled with actuator work, use described pump with the compressible fluid pump to heat-transfer arrangement.
19. the method according to each described generation kinetic energy in the claim 16 to 18 is characterized in that, comprises that also trap absorbs hot step from thermal source, wherein absorbed heat passes to first phase change material in the heat-transfer arrangement.
20. the method for generation kinetic energy according to claim 17, it is characterized in that, the step of cooling compressible fluid comprises that second phase change material and compressible fluid carry out heat exchange and absorbs hot from described compressible fluid, compressible fluid thereby be cooled, described second phase change material has higher latent heat of fusion and lower fusing point.
21. method according to each described generation kinetic energy in the claim 16 to 20, it is characterized in that, comprise also from incompressible fluid and transmit the step that specific heat is given compressible fluid that described specific heat is when incompressible fluid generation when pressure transfer device is forced out by heat exchanger.
22., it is characterized in that it is respectively first, second and/or the 3rd hydrated salt that first, second and/or third phase become material according to the described thermo-volumetric motor of aforementioned arbitrary claim or produce the method for kinetic energy, every kind of salt all has higher latent heat of fusion.
23. the method for thermo-volumetric motor according to claim 22 or generation kinetic energy is characterized in that the fusing point of the first and the 3rd hydrated salt is between 0 ℃ to 100 ℃.
24. the method for thermo-volumetric motor according to claim 22 or generation kinetic energy is characterized in that every kind of latent heat of fusion that all has greater than 50 kilocalories/liter of the first and the 3rd hydrated salt.
25. the method for thermo-volumetric motor according to claim 22 or generation kinetic energy is characterized in that the first and/or the 3rd hydrated salt is made up of sodium acetate three hydrated salt or derivatives thereofs.
26. the method for thermo-volumetric motor according to claim 22 or generation kinetic energy is characterized in that the fusing point of described second hydrated salt is lower than 0 ℃.
27. the method for thermo-volumetric motor according to claim 22 or generation kinetic energy is characterized in that described second hydrated salt is made up of the mixture of the sodium chloride with stoichiometric(al), calcium chloride and softened water.
28. the method according to described thermo-volumetric motor of aforementioned arbitrary claim or generation kinetic energy is characterized in that described incompressible fluid is a kind of liquid hydrocarbon, as oil or its derivative.
29. the method according to described thermo-volumetric motor of aforementioned arbitrary claim or generation kinetic energy it is characterized in that, but described contracted flow body is a kind of refrigerant, as monochlorodifluoromethane or its derivative.
30. the method for thermo-volumetric motor according to claim 29 or generation kinetic energy is characterized in that described refrigerant does not contain the halogen family element.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95196049 CN1162985A (en) | 1994-10-04 | 1995-10-04 | A thermo-volumetric motor |
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| AUPM8599 | 1994-10-04 | ||
| CN 95196049 CN1162985A (en) | 1994-10-04 | 1995-10-04 | A thermo-volumetric motor |
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| CN1162985A true CN1162985A (en) | 1997-10-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006005242A1 (en) * | 2004-07-15 | 2006-01-19 | Yingzhi Meng | Method and equipment of power generation |
| CN106894959A (en) * | 2017-04-01 | 2017-06-27 | 孙涛 | Actuating unit and movable sunshade device that a kind of temperature difference drives |
-
1995
- 1995-10-04 CN CN 95196049 patent/CN1162985A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006005242A1 (en) * | 2004-07-15 | 2006-01-19 | Yingzhi Meng | Method and equipment of power generation |
| CN106894959A (en) * | 2017-04-01 | 2017-06-27 | 孙涛 | Actuating unit and movable sunshade device that a kind of temperature difference drives |
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