CN216477603U - Novel temperature difference engine - Google Patents
Novel temperature difference engine Download PDFInfo
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- CN216477603U CN216477603U CN202122480245.7U CN202122480245U CN216477603U CN 216477603 U CN216477603 U CN 216477603U CN 202122480245 U CN202122480245 U CN 202122480245U CN 216477603 U CN216477603 U CN 216477603U
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Abstract
The utility model provides a novel temperature difference engine, comprising: the heat source exchanger, the cold source exchanger, the mechanical energy transmission assembly and the plurality of transmission pipes are arranged on the heat source exchanger; the mechanical energy assembly comprises a first cylinder, a second cylinder, a third cylinder and a rotating wheel, wherein the input ends of working media in the first cylinder, the second cylinder and the third cylinder are connected with a heat source exchanger and a cold source exchanger through pipelines; pistons are arranged in the cylinder barrels of the three cylinders, and piston rods are arranged on one sides, far away from the input end of the working medium, of the pistons; one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the air cylinder and is connected with the connecting rod; the connecting rod is movably connected with the rotating wheel. The valves are arranged in the pipelines to control the communication between the gas in each cylinder and the cold source or the heat source exchanger, so that the gas in each cylinder is heated or cooled; the expansion or cooling of the gas pushes the piston rod to move outwards or inwards close to the cylinder barrel, and the conversion of heat energy to mechanical energy is realized.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a novel temperature difference engine.
Background
The stirling engine was invented in 1816 by robusts, a physicist of the uk, and was therefore named "stirling engine". The stirling engine outputs power through a cycle of cooling, compressing, absorbing heat and expanding working gas (hydrogen or helium) in a cylinder, so the stirling engine is also called a heat engine, the traditional stirling engine is provided with a cylinder 1 and a cylinder 2, the gas circulates in cold air and the cylinder 2, and the heat energy is converted into mechanical energy by driving a push rod to move through heating expansion, cooling and contraction.
However, in the process of cycle operation, there are cold gas and hot gas contacting in the process of thermal expansion and hot gas and cold gas contacting in the process of cooling contraction, which results in that part of gas heat energy is directly transferred inside the gas and cannot be converted into mechanical energy, resulting in that the efficiency of converting heat energy into mechanical energy in actual operation is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel temperature difference engine which is used for solving the problem of low mechanical energy efficiency in heat energy conversion. The specific scheme is as follows:
a novel thermoelectric engine, comprising: the heat source exchanger, the cold source exchanger, the mechanical energy transmission assembly and the transmission pipes are arranged on the heat source exchanger;
the mechanical energy component comprises a first air cylinder, a second air cylinder, a third air cylinder and a rotating wheel,
the input ends of working media in the first cylinder, the second cylinder and the third cylinder are connected with the heat source exchanger and the cold source exchanger through pipelines;
pistons are arranged in the cylinder barrels of the first cylinder, the second cylinder and the third cylinder, and piston rods are arranged on one sides of the pistons, which are far away from the input end of the working medium;
one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the air cylinder and is connected with the connecting rod; the connecting rod is movably connected with the rotating wheel.
Furthermore, the first cylinder working medium input end is respectively connected with one port of the cold source exchanger and one port of the heat source exchanger through pipelines;
and the input ends of working media of the second cylinder and the third cylinder are respectively connected with the other port of the cold source exchanger and the other port of the heat source exchanger through pipelines.
Furthermore, the input end of the working medium in the first cylinder is connected with a first pipe,
the other end of the first pipe is connected with a second pipe and a third pipe in parallel;
one ends of the second pipe and the third pipe, which are far away from the first pipe, are respectively connected with one port of the cold source exchanger and one port of the heat source exchanger;
preferably, a first valve is arranged on the second pipe;
and a second valve is arranged on the third pipe.
Furthermore, the input end of the working medium of the second cylinder is connected with a fourth pipe,
the other end of the fourth pipe is connected with a fifth pipe, a sixth pipe and a seventh pipe in parallel;
the other end of the fifth pipe is connected with the input end of a third cylinder;
the other end of the sixth pipe is connected with the other port of the heat source exchanger;
the other end of the seventh pipe is connected with the other port of the cold source exchanger;
preferably, a third valve is arranged on the seventh pipe;
a fourth valve is arranged on the fourth pipe;
a fifth valve is arranged on the sixth pipe;
and a sixth valve is arranged on the fifth pipe.
Furthermore, two ends of the connecting rod are respectively connected with the piston rod and the rotating wheel in a rotating manner through pins;
the three connecting rods and the rotating wheel connecting point are in the same position.
Furthermore, a spring is arranged between the piston and the piston rod, and two ends of the spring are respectively fixedly connected with the piston and the piston rod.
Further, the diameter ratio of each cylinder is as follows: a first cylinder: a second cylinder: the diameter ratio of the third cylinder is 1: 1: 2;
the rotating wheel is an inertia flywheel.
Further, a sealing device is arranged between the cylinder and the piston.
Further, the sealing device is a piston ring or an air bag.
The utility model has the beneficial effects that:
the three cylinders are arranged, and each cylinder is connected with the heat source exchanger and the cold source exchanger through pipelines, so that energy exchange between the cylinders and an external heat source and between the cylinders and a cooling source is realized;
working gas and pistons are arranged in each cylinder, and the pistons are driven to move in the cylinder barrel through expansion or compression of the gas, so that energy exchange is realized;
the valves are arranged in the pipelines to control the communication between the gas in each cylinder and the cold source or the heat source exchanger, so that the gas in each cylinder is heated or cooled; the piston rod is pushed to move towards the outer side of the cylinder barrel by gas expansion, or the gas compression piston rod moves towards the inner side of the cylinder barrel, so that the conversion of heat energy to mechanical energy is realized by the cold-hot circulation of gas;
the transmission between the mechanical energy is realized by connecting one end of the piston rod, which is positioned in the cylinder barrel, with the rotating wheel through a connecting rod.
According to the utility model, the output of mechanical energy in each circulation process is improved by additionally arranging the third cylinder and arranging the valves on the communication pipelines, and the conversion of heat energy to mechanical energy and the mutual transmission of the mechanical energy are realized by the cold and hot circulation of gas.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a thermoelectric engine according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the endothermic expansion process of a thermoelectric engine according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a continuous expansion work-doing process of a thermoelectric engine according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a thermoelectric engine cooling and compressing process according to an embodiment of the present invention;
FIG. 5 is a schematic view of a connection structure between a cylinder and a rotating wheel of a thermoelectric engine according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a temperature difference engine according to an embodiment of the present invention,
wherein, 1-a first valve, 2-a second valve, 3-a third valve, 4-a fourth valve, 5-a fifth valve, 6-a sixth valve, 7-a first cylinder, 8-a third cylinder, 9-a second cylinder, 10-a first gas, 11-a third gas, 12-a second gas, 13-a cold source exchanger, 14-a heat source exchanger, 15-a rotating wheel, 16-a first piston rod, 17-a third piston rod, 18-a second piston rod, 19-a first tube, 20-a second tube, 21-a third tube, 22-a seventh tube, 23-a sixth tube, 24-a fourth tube, 25-a fifth tube, 26-a first rod, 27-a third rod, 28-a second rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
A novel thermoelectric engine, as shown in figures 1-6, comprising: a heat source exchanger 14, a cold source exchanger 13, a mechanical energy transmission assembly and a plurality of transmission pipes;
the mechanical energy assembly comprises a first cylinder 7, a second cylinder 9, a third cylinder 8 and a rotating wheel 15,
the input ends of working media in the first cylinder 7, the second cylinder 9 and the third cylinder 8 are connected with a heat source exchanger 14 and a cold source exchanger 13 through pipelines;
pistons are arranged in the cylinder barrels of the first cylinder 7, the second cylinder 9 and the third cylinder 8, and piston rods are arranged on one sides of the pistons, which are far away from the input end of the working medium;
one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the air cylinder and is connected with the connecting rod; the connecting rod is movably connected with the rotating wheel 15.
It should be noted that the first air bag 10, the second air bag 12 and the third air bag 11 for containing working media are respectively arranged in the cylinder barrels of the first air cylinder 7, the second air cylinder 9 and the third air cylinder 10, air holes communicated with the air bags are respectively arranged at the bottoms of the three air cylinders, one end of a piston rod is fixedly connected with a piston, the other end of the piston rod is movably connected with a connecting rod, one end of the connecting rod is rotatably connected with the piston rod, and the other end of the connecting rod is movably connected with a rotating wheel 15.
In one embodiment of the present invention, the working medium input end of the first cylinder 7 is respectively connected with one port of the cold source exchanger 13 and one port of the hot source exchanger 14 through pipelines;
the input ends of the working medium of the second cylinder 9 and the working medium of the third cylinder 8 are respectively connected with the other port of the cold source exchanger 13 and the other port of the hot source exchanger 14 through pipelines.
In one embodiment of the utility model, the input end of the working medium in the first cylinder 7 is connected with a first pipe 19,
the other end of the first pipe 19 is connected with a second pipe 20 and a third pipe 21 in parallel;
one ends of the second pipe 20 and the third pipe 21 far away from the first pipe 19 are respectively connected with one ports of the cold source exchanger 13 and the hot source exchanger 14;
preferably, a first valve 1 is arranged on the second pipe 20;
the third pipe 21 is provided with a second valve 2.
In one embodiment of the utility model, the input end of the working medium of the second cylinder 9 is connected with a fourth pipe 24,
the other end of the fourth pipe 24 is connected with a fifth pipe 25, a sixth pipe 23 and a seventh pipe 22 in parallel;
the other end of the fifth pipe 25 is connected with the input end of the third cylinder 8;
the other end of the sixth pipe 23 is connected to the other port of the heat source exchanger 14;
the other end of the seventh pipe 22 is connected with the other port of the cold source exchanger 13;
preferably, a third valve 3 is arranged on the seventh pipe 22;
a fourth valve 4 is arranged on the fourth pipe 24;
a fifth valve 5 is arranged on the sixth pipe 23;
a sixth valve 6 is arranged on the fifth pipe 25.
It should be noted that the first cylinder 7 is connected to the cold source exchanger 13 through a first pipe 19 and a second pipe 20, and the first cylinder 7 is connected to the hot source exchanger 14 through a first pipe 19 and a third pipe 21; the second cylinder 9 is connected with the cold source exchanger 13 through a fourth pipe 24 and a seventh pipe 22, and the second cylinder 9 is connected with the hot source exchanger 14 through a fourth pipe 24 and a sixth pipe 23; the third cylinder 8 is connected with the cold source exchanger 13 through a fifth pipe 25, a fourth pipe 24 and a seventh pipe 22, and the third cylinder 8 is connected with the hot source exchanger 14 through the fifth pipe 25, the fourth pipe 24 and a sixth pipe 23;
the function of each valve is that the first valve 1 controls the communication between the first cylinder 7 and the cold source exchanger 13; the second valve 2 is used for controlling the communication between the first cylinder 7 and the heat source exchanger 14, and the third valve 3 and the fourth valve 4 are used for controlling the communication between the heat source exchanger 13 and the second cylinder 9; the third valve 3 and the sixth valve 6 are used for controlling the communication between the cooling source exchanger 13 and the third cylinder 8;
a fifth valve 5 and a fourth valve 4 are used for controlling the communication of the heat source exchanger 14 and the second cylinder 9;
a fifth valve 5 and a sixth valve 6 are used to control the communication of the heat source exchanger 14 with the third cylinder 8.
In one embodiment of the present invention, two ends of the connecting rod are respectively connected with the piston rod and the rotating wheel 15 by pins;
the three connecting rods are in the same position as the swivel wheel 15 connection points.
It should be noted that, three connecting rods, namely a first rod 26, a second rod 28 and a third rod 27, are provided, and the piston rods are a first piston rod 16, a second piston rod 18 and a third piston rod 17;
one end of the first rod 16 is rotatably connected with the rotating wheel 15, and the other end of the first rod 16 is rotatably connected with the first piston rod 16;
one end of the second rod 28 is rotatably connected with the rotating wheel 15, the other end of the second rod 26 is connected with the first cylinder 7, and the other end of the second rod 26 is rotatably connected with the second piston rod 18;
one end of the third rod 27 is rotatably connected to the rotating wheel 15, and the other end of the third rod 27 is rotatably connected to the third piston rod 17.
In one embodiment of the utility model, a spring is arranged between the piston and the piston rod, and two ends of the spring are respectively and fixedly connected with the piston and the piston rod.
In one embodiment of the present invention, the diameter ratio of each cylinder is: first cylinder 7: second cylinder 9: the diameter ratio of the third cylinder 8 is 1: 1: 2;
the rotating wheel 15 is an inertial flywheel.
In one embodiment of the utility model, a sealing device is arranged between the cylinder and the piston.
In one embodiment of the utility model, the sealing means is a piston ring or an air bag.
It should be noted that, the working gas used in the present invention is generally helium or air, and the pressure of the charged gas is calculated according to the design power, and is generally not less than 0.4 Mpa;
the sealing between the cylinder and the piston can be realized by installing a piston ring, or by adopting an air bag, or by adopting other conventional sealing modes,
the piston and the piston rod of the cylinder barrel of the air cylinder can be separated under the negative pressure condition, and the piston rod can also be elastically connected by arranging a spring between the piston and the piston rod; when the air bag is used for sealing, the piston is not in contact with the cylinder barrel, the piston is separated from the piston rod when the air bag is in a contraction state, and the piston rod can also be elastically connected through a spring;
the working principle of the utility model is that the working medium in the first cylinder barrel 7, the second cylinder barrel 9 and the third cylinder barrel 8 is used as power gas to make the piston move, the valves arranged on each pipeline are used for controlling the working medium to be communicated with the cold source exchanger 13 and the heat source exchanger 14, the working medium is used as cycle output power in one period through cooling, compression, heat absorption and expansion, the flow of the working medium drives the connecting rod, the piston rod and the piston which are connected with each other to realize that the gas flows in different cylinders through the inertia flywheel,
it should be noted that, when the gas compression of the first cylinder 7 is relatively large due to the continuous cooling and compression process, or the temperature difference is relatively large, the rotating wheel 15 needs to have relatively large kinetic energy to overcome the dead point, in order to overcome the above-mentioned defect, the ratio of the cylinder diameters of the second cylinder 9 and the third cylinder 8 needs to be adjusted, and the ratio of the cylinder diameters of the second cylinder 9 and the third cylinder 8 is implemented by the following two ways: firstly, when the cylinder heights of the cylinders are the same and the distances from the pistons to the connecting points of the rotating wheel 15 are the same, the volumes of the cylinders are changed by adjusting the cylinder diameter ratios of the first cylinder 7, the second cylinder 9 and the third cylinder 8, and the volumes of the cylinders are calculated according to the following formula: first cylinder 7: second cylinder 9: third cylinder 8 is 1: T2/T1:1, T2 is heat source temperature, wherein T1 is cold source temperature, the temperature is absolute temperature (K), and the proportion can be adjusted according to different temperature differences;
firstly, when the diameters of the cylinder barrels of the cylinders are the same, the distance between the piston and the rotating wheel 15 is adjusted, and the stroke of the piston is changed by the length of a crank in the way that a connecting rod is connected with the rotating wheel 15 through a crank; another connection mode is a linear arrangement of air cylinders, as shown in fig. 5, since the rotating wheel 15 and the first air cylinder 7, the second air cylinder 9 and the third air cylinder 8 are arranged at equal intervals, the diameter ratio of each air cylinder in this embodiment is: first cylinder 7: second cylinder 9: third cylinder 1: 1: 2.
the working process of the utility model is as follows:
the starting process comprises the following steps: referring to fig. 1, the first valve 1 and the third valve 3 are closed, the second valve 2, the fourth valve 4, the fifth valve 5 and the sixth valve 6 are opened, the first air bag 10 in the first air cylinder 7 is filled with working gas, the pressure of the filled gas is calculated according to the design power, so that the air pressure in the first air bag 10 is more than or equal to 0.4Mpa,
first, endothermic expansion process: the first cylinder 7, the second cylinder 9 and the third cylinder 8 are all in communication with the heat source exchanger 14 at this time,
the first air bag 10 absorbs heat from the heat source heat exchanger 14 through the first air cylinder 7, the volume of the first air bag 10 expands to push the piston in the first air cylinder 7 to do work outwards, and as the first piston rod 16 of the first air cylinder 7 is connected with the rotating wheel 15 through the first connecting rod 26, the rotating wheel 15 gradually accelerates, and the mechanical energy is increased; the internal gas energy of the first air bag 10 in the first air cylinder 7 can be gradually reduced along with the increase of mechanical energy, the piston of the second air cylinder 9 continues to move from the middle part to the direction close to the first air cylinder 7, at the moment, the gas in the second air cylinder 9 starts to inflate from the initial contraction state due to negative pressure, the second air bag 12 is expanded, the gas in the working cylinder of the third air cylinder 8 is inflated, the piston moves upwards from the bottom to the middle part of the air cylinder, the piston of the second air cylinder 9 reaches the leftmost side, the piston of the first air cylinder 7 reaches the left side, then the valves 1, 2 and 3 are closed, the valves 4, 5 and 6 are opened, as shown in fig. 2:
and step two, continuously expanding and doing work: the second cylinder 9 and the third cylinder 8 are both in communication with the heat source exchanger 14 at this time,
in the second connection process, the third air bag 11 continues to expand after absorbing heat, the piston of the third air cylinder 3 is pushed to move upwards to do work outwards, the rotating wheel 15 drives the pistons of the first air cylinder 7 and the second air cylinder 9 to move rightwards, and the gas in the first air cylinder 7 is kept in a minimum contraction state due to the fact that the first valve 1 and the second valve 2 are closed; the second air bag 12 is contracted, the working gas is transferred from the second cylinder 9 to the third cylinder 8, because the diameter of the third cylinder 8 is larger than that of the second cylinder 9, the volume of the gas in the third cylinder 8 expands to continuously do work outwards, finally the piston of the first cylinder 7 reaches the middle part of the cylinder, the piston of the second cylinder 9 reaches the middle part of the cylinder, the piston of the third cylinder 8 reaches the top part of the cylinder, then the first valve 1, the third valve 3, the fourth valve 4 and the sixth valve 6 are opened, the second valve 2 and the fifth valve 5 are closed, as shown in figure 3,
step three, cooling and compressing: the first cylinder 7, the second cylinder 9 and the third cylinder 8 are all communicated with the cold source exchanger 13,
in the third connection process, under the driving of the rotating wheel 15, the piston of the third cylinder 8 moves downwards, the piston of the second cylinder 9 moves rightwards, the working gas enters the first cylinder 7 after being cooled by the cold source exchanger 13, the first air bag 11 expands, the rotating wheel 15 moves continuously, the piston of the third cylinder 8 reaches the middle of the cylinder, the piston of the second cylinder 9 reaches the rightmost side of the cylinder, then the first valve 1, the third valve 3 and the sixth valve 6 are opened, and the second valve 2, the 4 th valve and the fifth valve 5 are closed, as shown in fig. 4;
fourthly, the cooling and compressing process is continued, at this time, the first cylinder 7 and the third cylinder 8 are communicated with the cold source exchanger 13,
in the fourth connection process, the rotating wheel 15 continues to move, the piston of the third cylinder 8 reaches the bottom of the cylinder barrel, the piston of the second cylinder 9 reaches the middle of the cylinder barrel, all the working gas enters the first cylinder 7, the first valve 1 and the third valve 3 are closed, the second valve 2, the third valve 3, the fourth valve 4 and the fifth valve 5 are opened, and a new cycle is started as shown in fig. 1.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A novel temperature difference engine is characterized by comprising: the heat source exchanger (14), the cold source exchanger (13), the mechanical energy transmission assembly and a plurality of transmission pipes;
the mechanical energy component comprises a first air cylinder (7), a second air cylinder (9), a third air cylinder (8) and a rotating wheel (15),
the input ends of working media in the first cylinder (7), the second cylinder (9) and the third cylinder (8) are respectively connected with a heat source exchanger (14) and a cold source exchanger (13) through pipelines;
pistons are arranged in the cylinder barrels of the first cylinder (7), the second cylinder (9) and the third cylinder (8), and piston rods are arranged on one sides of the pistons, which are far away from the input end of the working medium;
one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the air cylinder and is connected with the connecting rod; the connecting rod is movably connected with the rotating wheel (15).
2. The novel thermoelectric engine according to claim 1,
the working medium input end of the first cylinder (7) is respectively connected with one port of the cold source exchanger (13) and one port of the hot source exchanger (14) through pipelines;
and the input ends of the working media of the second cylinder (9) and the third cylinder (8) are respectively connected with the other port of the cold source exchanger (13) and the other port of the hot source exchanger (14) through pipelines.
3. A new type of temperature difference engine according to claim 2, characterized in that the input end of the working medium in the first cylinder (7) is connected with a first pipe (19),
the other end of the first pipe (19) is connected with a second pipe (20) and a third pipe (21) in parallel;
one ends of the second pipe (20) and the third pipe (21) far away from the first pipe (19) are respectively connected with one port of the cold source exchanger (13) and one port of the hot source exchanger (14);
preferably, a first valve (1) is arranged on the second pipe (20);
and a second valve (2) is arranged on the third pipe (21).
4. A new type of temperature difference engine according to claim 2, characterized in that the input end of the working medium of the second cylinder (9) is connected with a fourth pipe (24),
the other end of the fourth pipe (24) is connected with a fifth pipe (25), a sixth pipe (23) and a seventh pipe (22) in parallel;
the other end of the fifth pipe (25) is connected with the input end of a third cylinder (8);
the other end of the sixth pipe (23) is connected with the other port of the heat source exchanger (14);
the other end of the seventh pipe (22) is connected with the other port of the cold source exchanger (13);
preferably, a third valve (3) is arranged on the seventh pipe (22);
a fourth valve (4) is arranged on the fourth pipe (24);
a fifth valve (5) is arranged on the sixth pipe (23);
and a sixth valve (6) is arranged on the fifth pipe (25).
5. The novel temperature difference engine as claimed in claim 1, wherein two ends of the connecting rod are respectively connected with the piston rod and the rotating wheel (15) in a rotating manner through pins;
the three connecting rods and the connecting point of the rotating wheel (15) are in the same position.
6. The novel temperature difference engine according to claim 1, wherein a spring is arranged between the piston and the piston rod, and two ends of the spring are fixedly connected with the piston and the piston rod respectively.
7. The novel temperature difference engine according to claim 1, wherein the cylinder diameter ratio is: first cylinder (7): second cylinder (9): the diameter ratio of the third cylinder (8) is 1: 1: 2;
the rotating wheel (15) is an inertia flywheel.
8. The novel temperature difference engine as claimed in claim 1, wherein a sealing device is arranged between the cylinder and the piston.
9. The novel thermoelectric engine of claim 8, wherein said sealing means is a piston ring or an air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480245.7U CN216477603U (en) | 2021-10-15 | 2021-10-15 | Novel temperature difference engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480245.7U CN216477603U (en) | 2021-10-15 | 2021-10-15 | Novel temperature difference engine |
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| Publication Number | Publication Date |
|---|---|
| CN216477603U true CN216477603U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122480245.7U Active CN216477603U (en) | 2021-10-15 | 2021-10-15 | Novel temperature difference engine |
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| Country | Link |
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| CN (1) | CN216477603U (en) |
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2021
- 2021-10-15 CN CN202122480245.7U patent/CN216477603U/en active Active
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