CN106930861A - A kind of piston temperature difference electricity generation device for forcing to cool down - Google Patents
A kind of piston temperature difference electricity generation device for forcing to cool down Download PDFInfo
- Publication number
- CN106930861A CN106930861A CN201710278141.3A CN201710278141A CN106930861A CN 106930861 A CN106930861 A CN 106930861A CN 201710278141 A CN201710278141 A CN 201710278141A CN 106930861 A CN106930861 A CN 106930861A
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- China
- Prior art keywords
- oil
- piston
- oil duct
- electrothermal module
- temperature difference
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/10—Cooling by flow of coolant through pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P2003/006—Liquid cooling the liquid being oil
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of piston temperature difference electricity generation device forced and cool down, thermo-electric generation is carried out using the waste heat of top surface on internal piston, is mainly made up of electrothermal module (1), integrated stable voltage circuit (2), super capacitor energy device (3), voltage raising and reducing DC/DC circuits (4), load (5), cooling device (6), check valve (7), piston pin (8), connecting rod (9).Top surface fits on the hot junction of electrothermal module (1) and internal piston, the cold end of electrothermal module (1) and the upper surface of cooling device (6) oil pocket are fitted, and pressure cooling is carried out to electrothermal module (1) cold end using machine oil.The present invention solves the powerup issue of internal piston small space, is supported for piston optimization design provides electric energy；The present invention carries out lasting cooling to electrothermal module (1) cold end using machine oil, reduces electrothermal module (1) cold junction temperature, increases generated output；The present invention is arranged in internal piston not to be influenceed on the normal work of internal combustion engine.
Description
Technical field
Field is utilized the present invention relates to afterheat of IC engine, it more particularly relates to a kind of piston for forcing to cool down
Temperature difference electricity generation device.
Background technology
The car combustion engine thermal efficiency between 20%~45%, heat most of cooled water and tail that fuel combustion is produced
Gas is taken away and is dissipated in vain, thus thermo-electric generation is carried out to afterheat of IC engine can reclaim part energy, reaches energy-conservation
Effect.
Research currently for internal combustion engine field gradually increases, for example the variable-compression-ratio piston based on motor, base
In the variable-compression-ratio piston of wireless WIFI.These researchs are required for solving the problems, such as that internal piston is powered without exception, from work
Portion introduces supply line's poor reliability beyond the Great Wall, and line arrangement is more difficult.The mean temperature of top land more than 400 DEG C, if
Thermo-electric generation directly can be carried out to this part of waste heat, be supported for piston optimization design provides electric energy, it will have very big application valency
Value and meaning.
The content of the invention
The technical problems to be solved by the invention are a kind of piston temperature difference electricity generation devices for forcing to cool down of invention, are realized internal
The utilization of combustion engine waste heat, for the optimization design of piston provides power supply.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization：
It is of the present invention it is a kind of force cooling piston temperature difference electricity generation device, including electrothermal module, integrated stable voltage circuit,
Super capacitor energy device, voltage raising and reducing DC/DC circuits, load, cooling device, check valve, piston pin, connecting rod, its feature exist
In：
Described check valve includes valve body, valve element, spring；
Described electrothermal module, integrated stable voltage circuit, super capacitor energy device, voltage raising and reducing DC/DC circuits phase successively
Even, the output end of voltage raising and reducing DC/DC circuits is connected with load；
Described electrothermal module is arranged on internal piston on top surface, and the hot junction of electrothermal module is close to be pushed up on internal piston
Face, cooling device is provided with the cold end face of electrothermal module；
Described check valve is arranged on the fuel-displaced oil duct of cooling device.
A kind of piston temperature difference electricity generation device for forcing to cool down, it is characterised in that described connecting rod is drilled with one on shaft
Oil duct, connecting rod tip is entrance, and wrist-pin end of connecting rod is outlet.
A kind of piston temperature difference electricity generation device for forcing to cool down, it is characterised in that the oil duct of described piston pin is arranged in one
Side, piston pin has a circle square-section oil groove in the contact position with piston boss oil duct junction, piston pin with connecting rod oil line mouthful
Contact position have a circle square-section oil groove, in this two circle oil groove bottom along being each drilled with piston pin axis direction
Short oil road, and coupled together short oil road by the oil duct long parallel to piston pin axis.
A kind of piston temperature difference electricity generation device for forcing to cool down, it is characterised in that described two left and right of oil groove of piston pin
Both sides are respectively provided with a circle seal groove.
A kind of piston temperature difference electricity generation device for forcing to cool down, it is characterised in that filling material in the seal groove of the piston pin
Material is polytetrafluoroethylene (PTFE) O-ring.
A kind of piston temperature difference electricity generation device for forcing cooling, it is characterised in that described cooling device fuel-displaced oil duct goes out
Hydraulic fluid port is two circular holes, oil inlet face of two gross areas of circular hole of cooling device oil-out less than cooling device oil-feed oil duct
Product.
A kind of piston temperature difference electricity generation device for forcing cooling, it is characterised in that the cooling medium of described cooling device is
Machine oil is imported machine oil, lubricating oil pump the oil duct of connecting rod by bent axle, sequentially passes through piston pin oil duct, piston boss oil duct, cooling
Device oil-feed oil duct enters in the oil pocket of cooling device, and subsequent machine oil is flowed out by the fuel-displaced oil duct of cooling device.
Compared with prior art the beneficial effects of the invention are as follows：
1. a kind of piston temperature difference electricity generation device for forcing to cool down of the present invention, is sent out in internal piston using the temperature difference
Electricity, solve the powerup issue of internal piston small space, for piston optimization design provides electric energy support, it is to avoid from outside piston
Portion introduces the problem that power circuit brings, and reduces technical difficulty, greatly simplify supply line.
2. a kind of piston temperature difference electricity generation device for forcing to cool down of the present invention, is entered using machine oil to electrothermal module cold end
Row forces cooling, reduces electrothermal module cold junction temperature, increases generated output.
3. a kind of piston temperature difference electricity generation device for forcing to cool down of the present invention, is arranged in internal piston, to internal combustion engine
Normal work do not influence.
4. a kind of piston temperature difference electricity generation device for forcing to cool down of the present invention, make use of part of waste heat, reach section
The effect of energy.
Brief description of the drawings
Fig. 1 is that electrothermal module of the present invention is powered schematic flow sheet；
Fig. 2 is the full sectional view on a kind of piston temperature difference electricity generation device front view for forcing to cool down of the present invention；
Fig. 3 is the front view of piston pin of the present invention；
Fig. 4 is the C-C sections projection view of piston pin front view of the present invention；
Fig. 5 is the front view of connecting rod of the present invention；
Fig. 6 is the A-A projection views of connecting rod front view of the present invention；
Fig. 7 is the partial enlarged drawing at E in Fig. 2；
Fig. 8 is the fuel-displaced oil passage outlet figure of cooling device of the present invention；
Fig. 9 is the schematic diagram of integrated stable voltage circuit of the present invention；
Figure 10 is the schematic diagram of voltage raising and reducing DC/DC circuits of the present invention.
In figure：1. electrothermal module, 2. integrated stable voltage circuit, 3. super capacitor energy device, 4. voltage raising and reducing DC/DC electricity
Road, 5. loads, 6. cooling device, 7. check valve, 8. piston pin, 9. connecting rod, 10. valve body, 11. valve elements, 12. springs.
Specific embodiment
As shown in Figures 1 and 2, a kind of piston temperature difference electricity generation device for forcing to cool down of the present invention, including thermoelectricity mould
Block 1, integrated stable voltage circuit 2, super capacitor energy device 3, voltage raising and reducing DC/DC circuits 4, load 5, cooling device 6, check valve
7th, piston pin 8, connecting rod 9.
Electrothermal module 1, integrated stable voltage circuit 2, super capacitor energy device 3, voltage raising and reducing DC/DC circuits 4 are sequentially connected,
The output end of voltage raising and reducing DC/DC circuits 4 is connected with load 5.
Electrothermal module 1 is arranged on internal piston on top surface, and top surface on internal piston is close in the hot junction of electrothermal module 1, heat
The cold end face of electric module 1 is provided with cooling device 6.Top surface, the oil pocket upper surface of cooling device 6 on electrothermal module 1 and internal piston
Between scribble heat-conducting silicone grease, enhancing heat transfer.
As shown in Fig. 2, Fig. 3 and Fig. 4, the piston pin 8 to former machine is reprocessed, and the oil duct in piston pin 8 is arranged in one
Side, piston pin 8 has a circle square-section oil groove in the contact position with piston boss oil duct junction, piston pin 8 with the oil duct of connecting rod 9
The contact position of mouth has a circle square-section oil groove, in this two circle oil groove bottom along respective in the axis direction of piston pin 8
Four short oil roads are drilled with, and are coupled together this eight short oil roads by four oil ducts long parallel to the axis of piston pin 8.
Often circle square-section oil groove each side has the seal groove of a circle square-section, and polytetrafluoroethyl-ne is installed in seal groove
Alkene O-ring seals, seal to oil groove.
As shown in figs. 5 and 6, the connecting rod 9 to former machine is reprocessed, on the shaft of connecting rod 9, with connecting rod tip be into
Mouthful, wrist-pin end of connecting rod is outlet, is drilled with an oil duct.
Bent axle to former machine is reprocessed, and creeps into an oil duct from the shaft end of bent axle, and get out oil duct along rod journal.
As shown in Fig. 2 and Fig. 8, the cooling medium of cooling device 6 is machine oil, and cooling device 6 has oil-feed oil duct and fuel-displaced oil
Road, oil-feed oil duct one end of cooling device 6 is connected with piston boss oil duct, and the other end is connected with the oil pocket of cooling device 6, cooling dress
Put 6 fuel-displaced oil duct one end to be connected with the oil pocket of cooling device 6, the other end is oil-out.The oil pocket upper surface of cooling device 6 and thermoelectricity
The cold end of module 1 fits.The oil-out of the fuel-displaced oil duct of cooling device 6 is two circular holes of diameter 1mm.
Machine oil in the oil pocket of cooling device 6 is cooled down to the cold end of electrothermal module 1, increases the cold end of electrothermal module 1 and heat
The temperature difference between end, increases generated output.
The oil-out of cooling device 6 is two circular holes of diameter 1mm, and two gross areas of circular hole are less than the oil-feed of cooling device 6
The oil-feed open area of oil duct, reduces oil pump capacity, prevents the too fast decline of oil pressure of the oil pocket of cooling device 6.
As shown in Fig. 2 and Fig. 7, check valve 7 includes valve body 10, valve element 11, spring 12.Check valve 7 is arranged on cooling device 6
On fuel-displaced oil duct, end entrance is machine oil import on check valve 7, and the outlet of the lower end of check valve 7 is exported for machine oil.
After the oil pressure of the fuel-displaced oil duct of cooling device 6 reaches certain value, valve element 11 can be promoted to overcome spring force, machine oil is
Can smoothly circulate, so check valve 7 serves pressure maintaining effect, prevent the too fast decline of oil pressure of the oil pocket of cooling device 6.
As shown in Fig. 2 machine oil to be imported lubricating oil pump the oil duct of connecting rod 9 by bent axle, 8 four oil of piston pin are sequentially passed through
Road, piston boss oil duct, the oil-feed oil duct of cooling device 6 enter in the oil pocket of cooling device 6, and subsequent machine oil passes through cooling device 6
Fuel-displaced oil duct outflow, so as to form circulation, lasting cooling is carried out to the cold end of electrothermal module 1.
As shown in figure 9, the homophase input constant pressure source that described integrated stable voltage circuit 2 is made up of operational amplifier, wherein
The output voltage U of integrated stable voltage circuit 2OUT=(1+Rf/R1)·UZ, RfIt is adjustable resistance, R1It is fixed value resistance, UZFor voltage-stabiliser tube is steady
Determine voltage, can be by adjusting RfValue change integrated stable voltage circuit 2 output voltage UOUTValue, therefore integrated stable voltage circuit 2 for connect
Continue adjustable constant pressure source.
As shown in Figure 10, described voltage raising and reducing DC/DC circuits 4 are based on the design of Buck-Boost stepping-up/stepping-down chopper circuits
, the voltage acquisition unit of the control system of voltage raising and reducing DC/DC circuits 4 carries out real-time sampling to 5 voltage changes of load, and system is adopted
It is compared with reference voltage after sample feedback voltage, is then adjusted through PID regulator, output result compares with triangular signal,
Modulation produces the dutycycle of required PWM (Pulse width modulation pulse width prescriptions) pulse, and pwm circuit is produced and accordingly accounted for
The break-make of the pwm pulse control power switch pipe Q of empty ratio.In switching tube Q conductings, during diode VD ends, voltage raising and reducing DC/
The input voltage U of DC circuits 4inTo inductance L input energies, the output voltage U of voltage raising and reducing DC/DC circuits 4 is maintained by electric capacity COUTSubstantially
It is constant, realize the stabilization of 5 voltages of load；In switching tube Q cut-offs, during diode VD is turned on, inductance L stores previous stage
Energy is released to electric capacity C and load 5, realizes loading the stabilization of 5 voltages with this.And the maintained switch pipe Q-switch cycle is constant,
Switching tube Q ON times are more long, the output voltage U of voltage raising and reducing DC/DC circuits 4OUTIt is higher；Similarly, switching tube Q ON times are got over
It is short, the output voltage U of voltage raising and reducing DC/DC circuits 4OUTIt is lower.
As shown in Figures 1 and 2, machine oil is imported lubricating oil pump the oil duct of connecting rod 9 by bent axle, sequentially passes through piston pin 8 four
Bar oil duct, piston boss oil duct, the oil-feed oil duct of cooling device 6 enter in the oil pocket of cooling device 6, and subsequent machine oil is filled by cooling down
6 fuel-displaced oil duct outflows are put, so as to form circulation, lasting cooling is carried out to the cold end of electrothermal module 1.
Electrothermal module 1 is generated electricity using the temperature difference between top surface on internal piston and the oil pocket upper surface of cooling device 6, is produced
Raw electric energy carries out voltage stabilizing by integrated stable voltage circuit 2, and then for super capacitor energy device 3 carries out voltage stabilizing charging, rises pressure drop
Pressure DC/DC circuits 4 make the output voltage of super capacitor energy device 3 keep stabilization, and the input voltage of stabilization is provided for load 5.
A kind of operation principle of the piston temperature difference electricity generation device for forcing to cool down：
As shown in Figure 1 and Figure 2, machine oil is imported lubricating oil pump the oil duct of connecting rod 9 by bent axle, sequentially passes through piston pin 8 four
Oil duct, piston boss oil duct, the oil-feed oil duct of cooling device 6 enter in the oil pocket of cooling device 6, and subsequent machine oil passes through cooling device
6 fuel-displaced oil duct outflows, so as to form circulation, lasting cooling are carried out to the cold end of electrothermal module 1.
Described electrothermal module 1 is carried out using the temperature difference between top surface on internal piston and the oil pocket upper surface of cooling device 6
Generate electricity, the electric energy of generation carries out voltage stabilizing by integrated stable voltage circuit 2, and then for super capacitor energy device 3 carries out voltage stabilizing charging,
Voltage raising and reducing DC/DC circuits 4 make the output voltage of super capacitor energy device 3 keep stabilization, and the input of stabilization is provided for load 5
Voltage.
Claims (7)
1. the piston temperature difference electricity generation device that a kind of pressure is cooled down, including electrothermal module (1), integrated stable voltage circuit (2), super capacitor
Energy storage equipment (3), voltage raising and reducing DC/DC circuits (4), load (5), cooling device (6), check valve (7), piston pin (8), connecting rod
(9), it is characterised in that：
Described check valve (7) includes valve body (10), valve element (11), spring (12)；
Described electrothermal module (1), integrated stable voltage circuit (2), super capacitor energy device (3), voltage raising and reducing DC/DC circuits
(4) it is sequentially connected, the output end of voltage raising and reducing DC/DC circuits (4) is connected with load (5)；
Described electrothermal module (1) on top surface on internal piston, be close to be pushed up on internal piston by the hot junction of electrothermal module (1)
Face, is provided with cooling device (6) on the cold end face of electrothermal module (1)；
Described check valve (7) is on the fuel-displaced oil duct of cooling device (6).
2. the piston temperature difference electricity generation device for being cooled down according to a kind of pressure described in claim 1, it is characterised in that described connecting rod
(9) oil duct is drilled with shaft, connecting rod (9) end greatly is entrance, and connecting rod (9) small end is outlet.
3. the piston temperature difference electricity generation device for being cooled down according to a kind of pressure described in claim 1, it is characterised in that described piston
The oil duct for selling (8) is arranged in side, and piston pin (8) has circle square-section oil in the contact position with piston boss oil duct junction
Groove, piston pin (8) has a circle square-section oil groove in the contact position with connecting rod (9) oil duct junction, on this two circles oil groove bottom edge
Short oil road each is drilled with piston pin (8) axis direction, and will be short by the oil duct long parallel to piston pin (8) axis
Oil duct is coupled together.
4. the piston temperature difference electricity generation device for being cooled down according to a kind of pressure described in claim 1, it is characterised in that described piston
Pin (8) two oil grooves are each side provided with a circle seal groove.
5. the piston temperature difference electricity generation device for being cooled down according to a kind of pressure described in claim 1, it is characterised in that the piston pin
(8) packing material is polytetrafluoroethylene (PTFE) O-ring in seal groove.
6. the piston temperature difference electricity generation device for being cooled down according to a kind of pressure described in claim 1, it is characterised in that described cooling
The oil-out of device (6) fuel-displaced oil duct is two circular holes, and two gross areas of circular hole of cooling device (6) oil-out are filled less than cooling
Put the oil-feed open area of (6) oil-feed oil duct.
7. the piston temperature difference electricity generation device for being cooled down according to a kind of pressure described in claim 1, it is characterised in that described cooling
The cooling medium of device (6) is machine oil, and machine oil is imported the oil duct of connecting rod (9) by bent axle, piston pin is sequentially passed through for lubricating oil pump
(8) oil duct, piston boss oil duct, cooling device (6) oil-feed oil duct enter in the oil pocket of cooling device (6), and subsequent machine oil passes through
The fuel-displaced oil duct outflow of cooling device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278141.3A CN106930861B (en) | 2017-04-25 | 2017-04-25 | A kind of piston temperature difference electricity generation device for forcing cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278141.3A CN106930861B (en) | 2017-04-25 | 2017-04-25 | A kind of piston temperature difference electricity generation device for forcing cooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930861A true CN106930861A (en) | 2017-07-07 |
| CN106930861B CN106930861B (en) | 2018-07-06 |
Family
ID=59438478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710278141.3A Expired - Fee Related CN106930861B (en) | 2017-04-25 | 2017-04-25 | A kind of piston temperature difference electricity generation device for forcing cooling |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1548492A1 (en) * | 1987-11-18 | 1990-03-07 | В.П.Коротков | Ic-engine |
| WO2000028653A1 (en) * | 1998-11-11 | 2000-05-18 | Techno Bank Co., Ltd. | Thermoelectric conversion device |
| JP2007077951A (en) * | 2005-09-16 | 2007-03-29 | Aisin Seiki Co Ltd | Piston for internal combustion engine |
| US7287506B1 (en) * | 2006-09-13 | 2007-10-30 | Caterpillar Inc. | Thermoelectric system |
| CN101867331A (en) * | 2009-04-15 | 2010-10-20 | 中国科学院理化技术研究所 | Solar thermoacoustic Stirling power generation device capable of continuously generating power day and night |
| CN105763100A (en) * | 2014-12-15 | 2016-07-13 | 王达成 | Thermoelectric power generation device for vehicle |
| CN206738022U (en) * | 2017-04-25 | 2017-12-12 | 吉林大学 | A kind of piston temperature difference electricity generation device for forcing cooling |
-
2017
- 2017-04-25 CN CN201710278141.3A patent/CN106930861B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1548492A1 (en) * | 1987-11-18 | 1990-03-07 | В.П.Коротков | Ic-engine |
| WO2000028653A1 (en) * | 1998-11-11 | 2000-05-18 | Techno Bank Co., Ltd. | Thermoelectric conversion device |
| JP2007077951A (en) * | 2005-09-16 | 2007-03-29 | Aisin Seiki Co Ltd | Piston for internal combustion engine |
| US7287506B1 (en) * | 2006-09-13 | 2007-10-30 | Caterpillar Inc. | Thermoelectric system |
| CN101867331A (en) * | 2009-04-15 | 2010-10-20 | 中国科学院理化技术研究所 | Solar thermoacoustic Stirling power generation device capable of continuously generating power day and night |
| CN105763100A (en) * | 2014-12-15 | 2016-07-13 | 王达成 | Thermoelectric power generation device for vehicle |
| CN206738022U (en) * | 2017-04-25 | 2017-12-12 | 吉林大学 | A kind of piston temperature difference electricity generation device for forcing cooling |
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| Publication number | Publication date |
|---|---|
| CN106930861B (en) | 2018-07-06 |
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Granted publication date: 20180706 Termination date: 20200425 |