CN102403925B - Thermomagnetic power generation system driven by reciprocating motion piston pump - Google Patents
Thermomagnetic power generation system driven by reciprocating motion piston pump Download PDFInfo
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- CN102403925B CN102403925B CN201010287778.7A CN201010287778A CN102403925B CN 102403925 B CN102403925 B CN 102403925B CN 201010287778 A CN201010287778 A CN 201010287778A CN 102403925 B CN102403925 B CN 102403925B
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- 238000010248 power generation Methods 0.000 title claims description 32
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 230000004907 flux Effects 0.000 claims abstract description 7
- 230000035699 permeability Effects 0.000 claims description 46
- 239000000696 magnetic material Substances 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 229910000889 permalloy Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000168254 Siro Species 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention relates to a thermomagnetic generating system driven by a reciprocating piston pump, which comprises: a piston for driving the fluid to reciprocate, the piston being driven by the motor; the thermomagnetic generator comprises: two room temperature heat exchangers; a high temperature heat exchanger located between the two room temperature heat exchangers; at least one magnetic conduction section arranged between the room temperature heat exchanger and the high temperature heat exchanger; a pair of block magnetizers oppositely arranged; a permanent magnet clamped at one end between the pair of block magnetizers; the magnetic conduction section is clamped at the other end between the pair of block magnetizers; the magnetizer is sleeved with a coil; each magnetic conduction section, the permanent magnet and the pair of magnetizers form a magnetic loop; when the fluid which flows in the system in an alternating mode moves back and forth between the room temperature heat exchanger and the high temperature heat exchanger, the magnetic conductive material sheets of the magnetic conductive sections are heated or cooled; the magnetic conductivity of the coil changes near the Curie temperature, so that the magnetic resistance and the magnetic flux of the magnetic loop change, induced electromotive force is generated on the coil, and electric energy is generated; has the advantages of high power density and the like.
Description
Technical field
The present invention relates to a kind of thermomagnetic generation device, the thermal-magnetic power generation system of particularly a kind of reciprocating piston pump driving.
Background technology
Pyromagnetic generator utilizes high-permeability material near Curie temperature magnetic permeability generation great variety, thus cause the magnetic flux change by coil in magnetic loop, and then produce the device of electric energy.But thermal-magnetic power generation system needs alternately heating and cooling magnetic material, and how to realize the Fast Heating of magnetic material and cooling be one of difficult point in this technology.Usually, if thermomagnetic generation needs the alternative frequency generating producing 50Hz, then the frequency of the heating and cooling realized is needed also will to reach 50Hz.
Chinese patent application 200880010226.2 discloses a kind of Thermomagnetic generator device, as shown in Figure 6.It comprises permeability magnetic material 12, common magnetic conductor 7,8, permanent magnet 6, permeability magnetic material 12 and permanent magnet 6, magnetic conductor 7,8 form magnetic loop.Also comprise be wrapped in common magnetic conductor 8 coil 9, in order to permeability magnetic material 12 is carried out heating and cooling equipment 13, in order to carry out the unit 14 of Systematical control.When heating and cooling equipment 13 pairs of permeability magnetic materials 12 heat and temperature exceedes the Curie temperature of permeability magnetic material 12, permeability magnetic material 12 permeability declines rapidly, causes that whole magnetic loop magnetic resistance changes, magnetic energy also changes thus.Owing to producing induced electromotive force in electromagnetic induction coil 9, thus electric work can be exported.This application is owing to cannot solve Fast Heating and the cooling problem of conductivity material 12, and the operating frequency of this Thermomagnetic generator device is only about 1Hz, and power density is lower.Need the alternate motion realizing heat exchanging fluid by external force when conducting heat, mechanical structure more complicated, the costs such as maintenance are higher simultaneously.
Summary of the invention
The object of the invention is to realize quick heat exchange for being difficult in existing Thermomagnetic generator device, thus cause the problems such as power density is low, power expansion is difficult, and the thermal-magnetic power generation system that a kind of reciprocating piston pump drives is provided; This thermal-magnetic power generation system can realize upper frequency heating and cooling, there is the advantages such as power density is high, power expansion is easy, overcome Problems existing in traditional thermomagnetic generation technology, be with a wide range of applications in solar energy, biomass heat energy and industrial waste heat etc. utilize.
To achieve these goals, technical scheme of the present invention is as follows:
The thermal-magnetic power generation system that reciprocating piston pump provided by the invention drives, it comprises reciprocating piston pump and pyromagnetic generator; Described piston pump drives the fluid for generation of Oscillating flow by motor; Described pyromagnetic generator utilizes the flowing of Oscillating flow fluid that the thermal power transfer of pyromagnetic generator high-temperature heat-exchanging is become electric energy;
Described pyromagnetic generator comprises:
Two room temperature heat exchangers;
High-temperature heat-exchanging between these two room temperature heat exchangers;
Be installed at least one permeable segments between described room temperature heat exchanger and described high-temperature heat-exchanging; Described permeable segments is formed by stacking by multi-disc permeability magnetic material thin slice interval, and the side on permeability magnetic material sheet thickness direction contacts with room warmer and high-temperature heat-exchanging respectively, and the Curie temperature of described permeability magnetic material thin slice is less than the temperature of high-temperature heat exchanger;
A pair Callipers staggered relatively;
Described in being clipped on, this is to the permanent magnet of one end between Callipers;
Described in described permeable segments is clipped on, this is to the other end between Callipers;
On described magnetic conductor, cover has coil;
Permeable segments described in each and permanent magnet and described this form a magnetic loop to magnetic conductor, and magnetic loop and coil form a thermomagnetic generation unit;
When in the thermal-magnetic power generation system that described reciprocating piston pump drives, the fluid of Oscillating flow moves back and forth between described room temperature heat exchanger and described high-temperature heat-exchanging, the permeability magnetic material thin slice of permeable segments will be heated or cooled; When the magnetic permeability of permeability magnetic material temperature on Curie temperature to Curie temperature within the scope of 30 DEG C changes, thus the magnetic resistance of magnetic loop and magnetic flux are changed, described coil produces induced electromotive force, and then thermomagnetic generation unit produces and exports electric energy.
Described permeable segments is divided into multistage vertically, and each section of permeable segments Curie temperature is different, and each section of permeable segments Curie temperature from high-temperature heat-exchanging to room temperature high-temperature heat-exchanging is ladder decline, forms multiple thermomagnetic generation unit; The coils connected in series of multiple thermomagnetic generation unit or parallel connection are exported electric work.
The magnetic field that permanent magnet in described pyromagnetic generator produces uses the galvanic coil of connection to replace.
The material of described permeability magnetic material thin slice is ferrite, iron, iron-based alloy, permalloy or amorphous state permeability magnetic material, and the solid thermal penetration depth that its thickness is less than 2 times, this degree of depth is
wherein κ is the thermal diffusion coefficient of permeability magnetic material, and ω is fluid motion angular frequency.
Described piston pump uses gas medium, and pyromagnetic generator uses liquid medium.
Described reciprocating piston pump and described pyromagnetic generator all use liquid medium.
Described liquid medium is water, conduction oil or liquid metal.
Described reciprocating piston pump is arranged symmetrically with, to reduce complete machine oscillation.
The advantage of the thermal-magnetic power generation system that reciprocating piston pump of the present invention drives is as follows:
The thermal-magnetic power generation system that this reciprocating piston pump drives, high-frequency heating and cooling can be realized, there is the advantage that power density is high, overcome Problems existing in traditional thermomagnetic generation technology, be with a wide range of applications in solar energy, biomass heat energy and industrial waste heat etc. utilize.
Accompanying drawing explanation
The structural representation of the thermal-magnetic power generation system (embodiment 1) that Fig. 1-1 drives for reciprocating piston of the present invention.
Fig. 1-2 is pyromagnetic generator cell mesh stereogram in Fig. 1.
Fig. 2 is the structural representation of the thermal-magnetic power generation system (embodiment 2) that reciprocating piston of the present invention drives.
Fig. 3 is the structural representation of the thermal-magnetic power generation system (embodiment 3) that reciprocating piston of the present invention drives.
Fig. 4 is the structural representation of the thermal-magnetic power generation system (embodiment 4) that reciprocating piston of the present invention drives.
Fig. 5 is the structural representation of the thermal-magnetic power generation system (embodiment 5) that reciprocating piston of the present invention drives.
Fig. 6 is the structural representation of existing Thermomagnetic generator device.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in further detail.
The invention provides the thermal-magnetic power generation system that a kind of reciprocating piston pump drives, comprise reciprocating piston pump and pyromagnetic generator; Piston pump is in order to produce the Oscillating flow of fluid; And reciprocating motion in the runner that formed at the multi-disc permeability magnetic material thin slice of the Curie temperature between high/low temperature heat exchanger of the Oscillating flow that pyromagnetic generator utilizes piston pump to produce, these permeability magnetic material thin slices of heating and cooling, make it the significantly change producing magnetic permeability near Curie temperature, thus in magnetic loop, produce the change of magnetic resistance and magnetic flux, corresponding coil will produce induced electromotive force, realize thermoelectricity conversion, and then export electric energy.
Embodiment 1
The structural representation of the thermal-magnetic power generation system (embodiment 1) that Fig. 1-1 drives for reciprocating piston of the present invention.Fig. 1-2 is the stereogram of thermomagnetic generation unit in Fig. 1-1; As seen from the figure, the thermal-magnetic power generation system of the reciprocating piston pump driving of the present embodiment 1, it comprises:
One circular passage 5;
Be positioned at the reciprocating piston 1 of the driven by motor on the longitudinal section of described circular passage 5; And the pyromagnetic generator be positioned within described circular passage 5;
Described pyromagnetic generator is from top to bottom placed successively in circular passage 5: the first room temperature heat exchanger 2, first permeable segments 3, high-temperature heat-exchanging 4, second permeable segments 31 and the second room temperature heat exchanger 21; Described first permeable segments 3 is between the first room temperature heat exchanger 2 and high-temperature heat-exchanging 4; Second permeable segments 31 is between high-temperature heat-exchanging 4 and the second room temperature heat exchanger 21; Described first permeable segments 3 and the second permeable segments 31 are formed by stacking by multi-disc permeability magnetic material thin slice interval respectively, and the Curie temperature of permeability magnetic material thin slice is less than the temperature of high-temperature heat exchanger 4; Permeability magnetic material is ferrite, iron, iron-based alloy, permalloy or amorphous state permeability magnetic material.The thickness of permeability magnetic material thin slice should be less than the solid thermal penetration depth of 2 times
wherein κ is the thermal diffusion coefficient of permeability magnetic material, and ω is fluid motion angular frequency, can to realize the quick heat exchange between fluid and solid;
Described pyromagnetic generator comprises a pair Callipers (first Callipers 7 and the second Callipers 8) staggered relatively; Described in being clipped on, this is to the permanent magnet 6 of one end between Callipers;
Described in described permeable segments 3 is clipped on, this is to the other end between Callipers;
The upper cover of described magnetic conductor (the first Callipers 7 is or/and the second Callipers 8) has coil 9(the present embodiment to overlap on the second Callipers 8 coil 9);
Permeable segments described in each and permanent magnet and described this form a magnetic loop to magnetic conductor and form a thermomagnetic generation unit;
Described piston pump 1 realizes reciprocating motion under the drive of motor, drives the liquid working substance in thermal-magnetic power generation system to move back and forth; Here the motor of reciprocating motion of the pistons is driven can be that linear electric motors may also be electric rotating machine.First permeable segments 3, second permeable segments 31 is formed by stacking by multi-disc high permeability material thin slice interval respectively, and the Curie temperature of described permeability magnetic material thin slice is less than the temperature of high-temperature heat exchanger 4.The permanent magnet 6 that first permeable segments 3 is corresponding with outside it and common magnetic conductor 8 compact siro spinning technology of the first common magnetic conductor 7, second form magnetic loop, and the second common magnetic conductor 8 is wound with coil 9, form a thermomagnetic generation unit thus.The second similar permeable segments 31 also with it outside permanent magnet and common magnetic conductor compact siro spinning technology form magnetic loop, and be also wound with coil on common magnetic conductor, form another thermomagnetic generation unit.Under the driving of piston 1, the fluid reciprocating motion of pyromagnetic generator position.In one-period, when fluid from the top down time, left side fluid is first through the first room temperature heat exchanger 2, fluid be first cooled to room temperature again with the first permeable segments 3 heat exchange, first permeable segments 3 part is cooled, and temperature drops to below Curie temperature, and now the first permeable segments 3 is in the larger state of magnetic permeability; Meanwhile, right side fluid first through high-temperature heat-exchanging 4, fluid be first heated to high temperature again with the second permeable segments 31 heat exchange, the second permeable segments 31 is heated, and temperature rises to after more than Curie temperature, and the second permeable segments 31 is in the less state of magnetic permeability.When fluid from bottom to top time, process is just in time contrary.So, because the magnetic permeability of the first permeable segments 3 occurs significantly to change in one-period, cause that the magnetic resistance in magnetic loop changes, magnetic flux changes, exporting electric work according to electromagnetic induction principle coil 9 producing induced electromotive force, realizing the conversion of heat energy to electric energy.Accordingly, the magnetic permeability due to the second permeable segments 31 occurs significantly to change, and exports electric work, realize the conversion of heat energy to electric energy according to its coil of electromagnetic induction principle also producing induced electromotive force.
Pyromagnetic generator in the present embodiment, one of ordinary skill in the art will readily recognize that both can produce magnetic field with permanent magnet also can be communicated with galvanic mode with coil and produce magnetic field.
Pyromagnetic generator in the present embodiment, one of ordinary skill in the art will readily recognize that according to power needs, can arrange multiple pyromagnetic generator on loop.
Embodiment 2
Fig. 2 is the structural representation of the thermal-magnetic power generation system embodiment 2 that reciprocating piston of the present invention drives, and comprises reciprocating piston 1 and pyromagnetic generator.Piston 1, first room temperature heat exchanger 2, first permeable segments 3, high-temperature heat-exchanging 4, second room temperature heat exchanger 21 is furnished with respectively in circular passage 5.Piston 1 realizes reciprocating motion under the drive of motor, and the working media in drive system moves back and forth; Here the motor of reciprocating motion of the pistons is driven can be that linear electric motors may also be electric rotating machine; First permeable segments 3 is formed by stacking by multi-disc permeability magnetic material thin slice interval on request, and the Curie temperature of permeability magnetic material thin slice should be less than the temperature of high-temperature heat exchanger 4.The permanent magnet 6 that first permeable segments 3 is corresponding with outside and the first magnetic conductor 7, second magnetic conductor 8 compact siro spinning technology form magnetic loop, and the second magnetic conductor 8 is wound with coil 9; Under the driving of piston 1, the fluid reciprocating motion of pyromagnetic generator position; In one-period, when fluid from the top down time, left side fluid is first through the first room temperature heat exchanger 2, fluid be first cooled to room temperature again with the first permeable segments 3 heat exchange, first permeable segments 3 part is cooled, and temperature drops to below Curie temperature, and now the first permeable segments 3 is in the larger state of magnetic permeability; When fluid from bottom to top time, right side fluid first through high-temperature heat-exchanging 4, fluid be first heated to high temperature again with the first permeable segments 3 heat exchange, the first permeable segments 3 is heated, and temperature rises to after more than Curie temperature, and the first permeable segments 3 is in the less state of magnetic permeability.So, because the magnetic permeability of the first permeable segments 3 occurs significantly to change in one-period, cause the magnetic resistance in magnetic loop and magnetic flux to change, according to electromagnetic induction principle, coil 9 produce induced electromotive force and export electric work, realize the conversion of heat energy to electric energy.
Embodiment 3
Fig. 3 is the structural representation of the thermal-magnetic power generation system embodiment 3 that reciprocating-piston of the present invention drives.In the present embodiment, at the first room temperature heat exchanger 2 of pyromagnetic generator and place multiple permeable segments respectively between high-temperature heat-exchanging 4, second room temperature heat exchanger 21 and high-temperature heat-exchanging 4; Each permeable segments Curie temperature is different, declines from high to low from high-temperature heat-exchanging to the Curie temperature of each permeable segments of room temperature heat exchanger in ladder; Each thermomagnetic generation unit works alone, and on each unit, coil can drive electric loading, also can connect rear drive electric loading in order, can realize the conversion of heat energy to electric energy.Other are with embodiment 1.
Embodiment 4
Fig. 4 is the structural representation of the thermal-magnetic power generation system embodiment 4 that reciprocating-piston of the present invention drives.For realizing Fast Heating to the first permeable segments 3 and the second permeable segments 31 and cooling further, internal system can use liquid working substance 10.Liquid working substance 10 can be the liquid metal etc. under conduction oil, water or normal temperature.Other are with embodiment 1.
The pyromagnetic generator that piston 1 in the present embodiment drives, one of ordinary skill in the art will readily recognize that and also only can use liquid working substance at pyromagnetic generator place, and be still gas at piston place.
Embodiment 5
Fig. 5 is the structural representation of the thermal-magnetic power generation system embodiment 5 that reciprocating-piston of the present invention drives.For eliminate single piston occur vibration, the present embodiment have employed two pistons (first piston 1 and the opposed motion of the second piston 11, thus can will vibration elimination.Piston 1 and piston 11 lay respectively in respective annular channel 5 and 51, and pyromagnetic generator is arranged in one section of runner that annular channel 5 and 51 shares.Other parts are with embodiment 1.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a thermal-magnetic power generation system for reciprocating piston pump driving, it comprises reciprocating piston pump and pyromagnetic generator; Described piston pump drives the fluid for generation of Oscillating flow by motor; Described pyromagnetic generator utilizes the flowing of Oscillating flow fluid that the thermal power transfer of pyromagnetic generator high-temperature heat-exchanging is become electric energy;
Described pyromagnetic generator comprises:
Two room temperature heat exchangers;
High-temperature heat-exchanging between these two room temperature heat exchangers;
Be installed at least one permeable segments between described room temperature heat exchanger and described high-temperature heat-exchanging; Described permeable segments is formed by stacking by multi-disc permeability magnetic material thin slice interval, and the side on permeability magnetic material sheet thickness direction contacts with room temperature heat exchanger and high-temperature heat-exchanging respectively, and the Curie temperature of described permeability magnetic material thin slice is less than the temperature of high-temperature heat-exchanging;
A pair Callipers staggered relatively;
Described in being clipped on, this is to the permanent magnet of one end between Callipers;
Described in described permeable segments is clipped on, this is to the other end between Callipers;
On described magnetic conductor, cover has coil;
Permeable segments described in each and permanent magnet and described this form a magnetic loop to magnetic conductor, and magnetic loop and coil form a thermomagnetic generation unit;
When in the thermal-magnetic power generation system that described reciprocating piston pump drives, the fluid of Oscillating flow moves back and forth between described room temperature heat exchanger and described high-temperature heat-exchanging, the permeability magnetic material thin slice of permeable segments will be heated or cooled; When the magnetic permeability of permeability magnetic material temperature on Curie temperature to Curie temperature within the scope of 30 DEG C changes, thus the magnetic resistance of magnetic loop and magnetic flux are changed, described coil produces induced electromotive force, and then thermomagnetic generation unit produces and exports electric energy.
2. by the thermal-magnetic power generation system that reciprocating piston pump according to claim 1 drives, it is characterized in that, described permeable segments is divided into multistage vertically, each section of permeable segments Curie temperature is different, and each section of permeable segments Curie temperature from high-temperature heat-exchanging to room temperature heat exchanger is ladder to decline, and forms multiple thermomagnetic generation unit; The coils connected in series of multiple thermomagnetic generation unit or parallel connection are exported electric work.
3. by the thermal-magnetic power generation system that reciprocating piston pump according to claim 1 drives, it is characterized in that, the magnetic field that the permanent magnet in described pyromagnetic generator produces uses the galvanic coil of connection to replace.
4. by the thermal-magnetic power generation system that reciprocating piston pump according to claim 1 drives, it is characterized in that, the material of described permeability magnetic material thin slice is ferrite, iron, iron-based alloy, permalloy or amorphous state permeability magnetic material, and the solid thermal penetration depth that its thickness is less than 2 times, this degree of depth is
wherein κ is the thermal diffusion coefficient of permeability magnetic material, and ω is fluid motion angular frequency.
5. by the thermal-magnetic power generation system that reciprocating piston pump according to claim 1 drives, it is characterized in that, described piston pump uses gas medium, and pyromagnetic generator uses liquid medium.
6., by the thermal-magnetic power generation system that reciprocating piston pump according to claim 1 drives, it is characterized in that, described piston pump and described pyromagnetic generator all use liquid medium.
7., by the thermal-magnetic power generation system that reciprocating piston pump according to claim 6 drives, it is characterized in that, described liquid medium is water, conduction oil or liquid metal.
8. the thermal-magnetic power generation system of reciprocating piston pump driving according to claim 1, it is characterized in that, described reciprocating piston pump is arranged symmetrically with.
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| CN201010287778.7A CN102403925B (en) | 2010-09-19 | 2010-09-19 | Thermomagnetic power generation system driven by reciprocating motion piston pump |
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| KR102067647B1 (en) * | 2011-12-21 | 2020-01-17 | 엘지이노텍 주식회사 | Manufacturing method of thermoelectric device and cooling thermoelectric moudule using the same |
| US20140159838A1 (en) * | 2012-12-06 | 2014-06-12 | Delta Electronics, Inc. | Thermomagnetic power generator |
| CN104124335B (en) * | 2013-04-27 | 2016-12-28 | 中国科学院理化技术研究所 | Thermomagnetic power generation system driven by linear compressor |
| CN104124334A (en) * | 2013-04-27 | 2014-10-29 | 中国科学院理化技术研究所 | Thermo-magnetic power generation system driven by thermo-acoustic engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101647128A (en) * | 2007-03-28 | 2010-02-10 | Abb研究有限公司 | Thermomagnetic generator device and energy converting method |
| CN101702567A (en) * | 2009-12-03 | 2010-05-05 | 西安交通大学 | Method for using magnetic liquid to generate power |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647128A (en) * | 2007-03-28 | 2010-02-10 | Abb研究有限公司 | Thermomagnetic generator device and energy converting method |
| CN101702567A (en) * | 2009-12-03 | 2010-05-05 | 西安交通大学 | Method for using magnetic liquid to generate power |
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