Magnetic power transmission device

The non-contact magnetic power transmission device, designed based on the principle of magnetic repulsion, solves the friction and collision problems of gear sets during high-speed operation, achieving efficient and low-loss power transmission and simplifying the maintenance process.

WO2026065636A1PCT designated stage Publication Date: 2026-04-02HSU CHIEN YU +2
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2026-04-02

AI Technical Summary

Technical Problem

Existing power transmission devices suffer from severe power loss due to friction and collision when the gear set is running at high speed, and require lubrication maintenance, which affects efficiency and the environment.

Method used

The gear set is designed using the principle of magnetic repulsion to achieve non-contact power transmission. It utilizes the magnetic units of the force-applying wheel and the output wheel for power transmission, avoiding friction and collision and reducing the need for lubricating oil.

Benefits of technology

It improves power transmission efficiency, reduces energy consumption, lowers maintenance costs, and enhances equipment stability and operating efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A magnetic power transmission device, comprising a gear set (100) comprising at least one driven gear (110) and at least one driving gear (120), wherein a transmission shaft (111) is provided along the axis of the driven gear, and a driving shaft (121) is provided along the axis of the driving gear; driven gear teeth (112) are arranged on the periphery of the driven gear, driving gear teeth (122) are arranged on the periphery of the driving gear, and the diameter of the driven gear is greater than the diameter of the driving gear, so that the driving gear pushes the driven gear teeth of the output gear by means of the driving gear teeth for power transmission; and the surface of the driving gear teeth is provided with driving gear magnetic units (123), the surface of the driven gear teeth is provided with driven gear magnetic units (113), and the driving gear magnetic units and the driven gear magnetic units are arranged in a same-pole facing configuration; a power generator (200) connected to and driving the driving shaft to rotate; and a load (300) connected to the transmission shaft, the transmission shaft driving the load to work.
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Description

Magnetic power transmission device

[0001] Cross-reference to Related Applications

[0002] This application claims priority to Chinese Patent Application No. 202411378571.9 filed on September 30, 2024 in China, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application belongs to a kind of power transmission device, in particular to a kind of magnetic power transmission device without lubrication, wheel tooth and wheel tooth are zero friction when high-speed operation, without installing full sealed lubricating oil tank, without considering leakage lubricating oil, also without the problem of replacing lubricating oil, reduce energy transmission loss, improve work efficiency, further can collect waste heat, to save energy. BACKGROUND

[0004] Modern people cannot do without the use of a large number of mechanical equipment in daily life or work. These devices provide various convenient functions to meet the needs of human life, and with the progress of science and technology, more practical devices will be put into the civilized world to make human life more comfortable and convenient.

[0005] In order to drive a large number of mechanical equipment, human beings demand more and more energy, but because the current main energy comes from burning coal or petrochemical energy, in the process of obtaining energy, it will greatly damage the earth's environment, which threatens the survival of human beings and various organisms. Therefore, many countries in the world have reached a consensus to reduce the consumption of coal and petrochemical energy, increase the development of green energy, and increase the work efficiency of the use equipment, so that the earth's environment gradually recovers to the original ecology, which is beneficial to the sustainable development of human survival.

[0006] In addition to the foregoing, another important factor that cannot be ignored is the waste of energy, i.e. the loss of power during transmission. As we all know, the operation of various mechanical equipment is nothing more than the transmission and conversion of power, during which a part of the power that does not work will be lost due to the impact or friction between the teeth, resulting in unnecessary waste of energy. The main factor causing this problem is the mechanical structure design of power transmission. For example, the common gear set, power is transmitted by the meshing of the driving gear and the driven gear, and during transmission, impact or friction between the teeth inevitably occurs, so that the power cannot be transmitted smoothly. Moreover, as the speed of the gear set increases, not only more loss will be formed, but also the risk of gear set friction or collision damage will be greatly increased, which may also cause safety hazards.

[0007] Therefore, the power transmission device in the related art has structural problems and cannot solve the problem of accidental power loss, which must be improved to achieve better power transmission efficiency.

[0008] In addition, with the use of a large number of mechanical equipment, each device or idle, idle period due to the work flow, which inevitably will produce power loss, and these lost power because of small scale, difficult to play the actual function alone, so only let it naturally perish, resulting in the loss of power. For this inventor conceived, can be concentrated by the application of these power, form a larger torque to drive the load, let every power can effectively play its function, make the use of power more efficient.

[0009] In view of the lack of related technology and the inventor's improvement scheme, the inventor has started to develop and improve, and has created a magnetic power transmission device with simple structure, without lubrication, zero friction between the teeth and the teeth during high-speed operation, without the need to install a fully sealed lubricating oil tank, without the need to worry about lubricating oil leakage, and without the need to replace the lubricating oil. The magnetic power transmission device can greatly improve work efficiency and contribute to environmental protection.

[0010] SUMMARY

[0011] To overcome the above-mentioned shortcomings, the main purpose of the present application is to provide a magnetic power transmission device which utilizes the principle of magnetic repulsion to perform non-contact power transmission between gears, without the need for lubrication, zero friction between the teeth and the teeth during high-speed operation, without the need to install a fully sealed lubricating oil tank, without the need to worry about lubricating oil leakage, and without the need to replace the lubricating oil. The magnetic power transmission device can reduce energy waste and improve power transmission efficiency.

[0012] Another purpose of the present application is to provide a magnetic power transmission device which utilizes smaller input power to concentrate and amplify torque to drive large loads, making the application of power more efficient.

[0013] Another purpose of the present application is to provide a magnetic power transmission device which has a simple design principle, a solid and stable structure, does not require lubrication, has zero friction between the teeth and the teeth during high-speed operation, does not require the installation of a fully sealed lubricating oil tank, does not require the consideration of lubricating oil leakage, and does not require the replacement of lubricating oil. The magnetic power transmission device can maintain continuous operation for a longer period of time, reduce maintenance cycle and cost.

[0014] Another purpose of the present application is to provide a magnetic power transmission device which can further collect industrial waste energy, concentrate these powers, and form a larger torque power to drive large loads, thereby achieving higher work efficiency.

[0015] To achieve the above purposes, the technical solution adopted by the present application is to provide a magnetic power transmission device, comprising:

[0016] A gear set, having at least one output gear and at least one force gear, the output gear having a transmission shaft arranged at the center of the output gear, the force gear having a force shaft arranged at the center of the force gear; the output gear having a plurality of output gear teeth arranged at the periphery of the output gear, the force gear having a plurality of force gear teeth arranged at the periphery of the force gear, and the diameter of the output gear being larger than the diameter of the force gear, so that the force gear teeth push the output gear teeth to transmit power; the surface of the force gear teeth being arranged with force gear magnetic units, and the surface of the output gear teeth being arranged with output gear magnetic units, the force gear magnetic units and the output gear magnetic units being arranged in the same polar surface facing configuration;

[0017] A power generator connected to and driving the force shaft to rotate; and

[0018] A load connected to the transmission shaft, driven by the transmission shaft to work.

[0019] By the above arrangement, when in use, the power input by the force gear is transmitted through the force gear teeth pushing the output gear teeth of the output gear, and then the power is output by the transmission shaft to drive the load to work.

[0020] Further, the force gear magnetic units include first force gear magnetic units and second force gear magnetic units arranged at the front and back ends of the force gear teeth, and the output gear magnetic units include first output gear magnetic units and second output gear magnetic units arranged opposite to the first force gear magnetic units and the second force gear magnetic units; so that when the force gear rotates, the first force gear magnetic units push the first output gear magnetic units to move, and the second force gear magnetic units and the second output gear magnetic units avoid friction and collision due to mutual repulsion.

[0021] Further, the first force gear magnetic units are arranged at the lower abdominal position of the force gear teeth, and the first output gear magnetic units are arranged at the upper abdominal position of the output gear teeth, so that when the force gear teeth approach the output gear teeth, the first force gear magnetic units and the first output gear magnetic units have the maximum area opposite to each other to generate the maximum thrust.

[0022] Further, the second force gear magnetic units are arranged at the upper abdominal position of the force gear teeth, and the second output gear magnetic units are arranged at the lower abdominal position of the output gear teeth, so that when the force gear teeth move away from the output gear teeth, the second force gear magnetic units and the second output gear magnetic units have the maximum area opposite to each other to avoid friction and collision.

[0023] Further, the surfaces of the force gear teeth and the output gear teeth are provided with grooves to respectively embed the force gear magnetic units and the output gear magnetic units, and screws are used for locking.

[0024] Further, the L-shaped pressing plates are respectively arranged on both sides of the force applying gear tooth and the output gear tooth to strengthen the fixation of the force applying magnetic unit on the force applying gear tooth and the fixation of the output magnetic unit on the output gear tooth, and the L-shaped pressing plates are locked by screws.

[0025] Further, the power generator is a high-efficiency motor or engine which drives multiple force applying gears to rotate.

[0026] Further, the load is a generator, and the generator is provided with a brake and a flywheel energy storage unit on the transmission shaft.

[0027] Further, the gear set is provided with more than one gear set on the same transmission shaft, and the gear sets are separated by an anti-interference distance, so that the multiple gear sets concentrate power output to the transmission shaft.

[0028] Compared with the related art, the magnetic power transmission device of the present application has the following advantages:

[0029] 1. The present application uses the principle of magnetic repulsion to allow non-contact between gears, without lubrication. The high-speed rotation between the gear teeth is zero friction, without the need for a fully sealed lubricating oil tank, without the need to worry about lubricating oil leakage, and without the need to replace the lubricating oil. The power transmission can improve the transmission efficiency, reduce the power loss caused by friction or collision, and reduce energy loss.

[0030] 2. The present application uses smaller input power to concentrate and amplify larger output torque, which can be used to drive large loads such as generators to improve the application efficiency of power and increase the practicability.

[0031] 3. The structure of the present application is simple, and can be quickly and reliably assembled to the required size and scale to perform stable power transmission, and is easy to maintain and maintain, effectively reducing the setup cost.

[0032] 4. The present application can collect small input power to concentrate and apply, such as the remaining power of various external mechanical equipment idling or idling, or from small power machinery, or even from new energy bus pure electric drive integrated motor, and then concentrate and amplify the power, thereby improving the application efficiency of torque. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1 is a structural perspective view of the magnetic power transmission device of the present application;

[0034] Fig. 1a is an enlarged view of the force applying gear tooth and the output gear tooth included in the frame line a of Fig. 1;

[0035] Fig. 2 is a front view of the magnetic power transmission device of the present application;

[0036] Fig. 3 is a schematic view of the power transmission between the force applying gear teeth and the output gear teeth of the magnetic power transmission device of the present application;

[0037] Fig. 3a is an enlarged view of the structural configuration of the force applying gear magnetic unit and the output gear magnetic unit included in the frame line b of Fig. 3;

[0038] Fig. 4 is a perspective view of the magnetic power transmission device of the present application provided with an L-shaped pressing plate for enhancing stability;

[0039] Fig. 4a is an enlarged view of the structural configuration of the L-shaped pressing plate included in the frame line c of Fig. 4;

[0040] Fig. 5 is a front view of the magnetic power transmission device of the present application provided with an L-shaped pressing plate; and

[0041] Fig. 6 is a perspective view of the magnetic power transmission device of the present application provided with a plurality of gear sets for increasing efficiency.

[0042] Explanation of Reference Numerals:

[0043] 100: gear set;

[0044] 110: output gear;

[0045] 111: transmission shaft;

[0046] 112: output gear teeth;

[0047] 113: output gear magnetic unit;

[0048] 113a: first output gear magnetic unit;

[0049] 113b: second output gear magnetic unit;

[0050] 114: screw;

[0051] 115: L-shaped pressing plate;

[0052] 116: screw;

[0053] 120: force applying gear;

[0054] 121: force applying shaft;

[0055] 122: force applying gear teeth;

[0056] 123: force applying gear magnetic unit;

[0057] 123a: first force applying gear magnetic unit;

[0058] 123b: second force applying gear magnetic unit;

[0059] 124: screw;

[0060] 125: L-shaped pressing plate;

[0061] 126: screw;

[0062] 200: power generator;

[0063] 300: load;

[0064] 400: brake unit;

[0065] 500: energy storage unit;

[0066] 600: base. DETAILED DESCRIPTION

[0067] The preferred embodiments of the present application will be described in detail with reference to the drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application can be more clearly defined.

[0068] Please refer to FIG. 1 to FIG. 3a, which shows a magnetic power transmission device provided by the present application, which mainly consists of at least one gear set 100, a power generator 200, and a load 300.

[0069] The gear set 100 has at least one output wheel 110 and at least one force wheel 120, and four force wheels 120 are used in the present embodiment; the output wheel 110 is provided with a transmission shaft 111 at its center, and the force wheel 120 is provided with a force shaft 121 at its center; the output wheel 110 is provided with output wheel teeth 112 on its periphery, and the force wheel 120 is provided with force wheel teeth 122 on its periphery, and the diameter of the output wheel 110 is greater than that of the force wheel 120, so that the force wheel 120 pushes the output wheel 110 through the force wheel teeth 122 and the output wheel teeth 112 to transmit power; the surface of the force wheel teeth 122 is provided with a force wheel magnetic unit 123, and the surface of the output wheel teeth 112 is provided with an output wheel magnetic unit 113, and the force wheel magnetic unit 123 and the output wheel magnetic unit 113 are arranged in the same polar surface.

[0070] The power generator 200 can be any device that generates power, and an electric motor is used in the present embodiment; the power generator 200 is connected to and drives the force shaft 121 to rotate, and according to the power or the limit, one power generator 200 can drive one force wheel 120, or one power generator 200 can drive multiple force wheels 120, and two force wheels 120 are driven by one power generator 200 in the present embodiment for the convenience of description.

[0071] The load 300 is any mechanical device, in this case a generator, and is connected to the transmission shaft 111 which drives the load 300 to work.

[0072] When the present application is in use, first the power generator 200 drives the force wheel 120 to rotate via the force shaft 121, the force wheel 120 then transmits power to the output wheel 110 by the force wheel teeth 122 pushing the output wheel teeth 112, and then the output wheel 110 outputs power from the transmission shaft 111 to drive the load 300 to work.

[0073] The present application focuses on the design of non-contact magnetic power transmission, without lubrication, zero friction between the teeth and the teeth when running at high speed, without the need to install a fully sealed lubricating oil tank, without the need to worry about leaking lubricating oil, and without the need to replace the lubricating oil. In order to improve the speed of the force wheel 120 and maintain stability, it is necessary to ensure the continuity of the force wheel magnetic unit 123 and the output wheel magnetic unit 113. For this purpose, please refer to Figures 3 and 3a, the force wheel magnetic unit 123 is provided with a first force wheel magnetic unit 123a and a second force wheel magnetic unit 123b at the front and rear ends of the force wheel teeth 122, and the output wheel magnetic unit 113 is provided with a first output wheel magnetic unit 113a and a second output wheel magnetic unit 113b opposite the first force wheel magnetic unit 123a and the second force wheel magnetic unit 123b.

[0074] As designed above, when the force wheel 120 rotates, the first force wheel magnetic unit 123a gradually approaches and pushes the first output wheel magnetic unit 113a to move due to the same pole repulsion, and continues for a period of time until the first force wheel magnetic unit 123a moves away from the first output wheel magnetic unit 113a, and then the cycle is repeated. The second force wheel magnetic unit 123b and the second output wheel magnetic unit 113b do not participate in the pushing action, but can avoid friction and collision due to the same pole repulsion, maintain the rotational stability of the force wheel 120 and the output wheel 110, and thereby improve the speed and power transmission efficiency.

[0075] Further design, the first force wheel magnetic unit 123a is arranged at the lower abdominal position of the force wheel teeth 122, and the first output wheel magnetic unit 113a is arranged at the upper abdominal position of the output wheel teeth 112. This design is due to the fact that the diameter of the force wheel 120 is smaller than the diameter of the output wheel 110, so the speed of the force wheel 120 is faster, and the angle change is larger. When the front end of the force wheel teeth 122 approaches the rear end of the opposite output wheel teeth 112 with the largest area, the first force wheel magnetic unit 123a and the first output wheel magnetic unit 113a can generate the largest thrust by being opposite to each other with the largest area.

[0076] Similarly, the second force wheel magnetic unit 123b is arranged at the upper abdominal position of the force wheel tooth 122, and the second output wheel magnetic unit 113b is arranged at the lower abdominal position of the output wheel tooth 112, so that when the force wheel tooth 122 is separated from the output wheel tooth 112, the second force wheel magnetic unit 123b and the second output wheel magnetic unit 113b are in maximum area opposition to avoid friction and collision.

[0077] In addition, for the convenience of assembly or maintenance and replacement of the present application, the force wheel tooth 122 is provided with a slot on the surface, and the force wheel magnetic unit 123 is installed in a buried manner and locked by a screw 124. Similarly, the surface of the output wheel tooth 112 is provided with a slot, and the related output wheel magnetic unit 113 is buried and locked by a screw 114.

[0078] Please refer to FIG. 4, FIG. 4a, FIG. 5, for further strengthening the structure, the force wheel tooth 122 is provided with L-shaped pressing plate 125 on both sides, which is used to press the force wheel magnetic unit 123 on the force wheel tooth 122, and is locked by screw 126, which is used to strengthen the fixation of the force wheel magnetic unit 123 on the force wheel tooth 122. Similarly, the output wheel tooth 112 is provided with L-shaped pressing plate 115 on both sides, which is used to press the output wheel magnetic unit 113 on the output wheel tooth 112, and is locked by screw 116, which is used to strengthen the fixation of the output wheel magnetic unit 113 on the output wheel tooth 112.

[0079] In addition, the power generator 200 can be a fuel engine, or a residual power from an external mechanical device idling or running, or from a geothermal engine, or even from a new energy bus pure electric drive integrated motor, or from a solar energy, wind energy and other power for household use, which can concentrate small power on the force wheel 120 and then amplify the torque on the output wheel 110 to play a more practical function.

[0080] Please refer to FIG. 1, FIG. 4, FIG. 5, the load 300 of the present application is a generator, so a brake part 400 can be arranged on the transmission shaft 111 to stop the operation of the generator, and an energy storage unit 500 is arranged on the transmission shaft 111 and assembled on a machine base 600 for use; the energy storage unit 500 can be a simple flywheel structure, which uses weight inertia to achieve energy storage effect. The brake part 400 and the energy storage unit 500 can be designed with more control structures, but these designs are not required by the present application, which will not be described here.

[0081] Referring to Fig. 6, in the foregoing embodiment, the gear set 100 is operated by a single set. In actual application, more than one gear set 100 can be arranged on the same transmission shaft 111. The gear sets 100 are spaced apart by an anti-interference distance, so that the magnetic forces of adjacent gear sets 100 do not interfere with each other. The power output of the multiple gear sets 100 is concentrated to the transmission shaft 111.

[0082] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A magnetic power transmission device, comprising: a gear set having at least one output wheel and at least one force wheel, the output wheel having a transmission shaft arranged at the center of the output wheel, the force wheel having a force shaft arranged at the center of the force wheel; the output wheel having a plurality of output wheel teeth arranged on the periphery of the output wheel, the force wheel having a plurality of force wheel teeth arranged on the periphery of the force wheel, the diameter of the output wheel teeth being greater than the diameter of the force wheel teeth, so that the force wheel teeth push the output wheel teeth to transmit power; the surface of the force wheel teeth being provided with force wheel magnetic units, the surface of the output wheel teeth being provided with output wheel magnetic units, the force wheel magnetic units and the output wheel magnetic units being arranged in the same pole face-to-face configuration; a power generator connected to and driving the force shaft to rotate; and a load connected to the transmission shaft and driven by the transmission shaft to work.

2. The magneto-motive transmission device of claim 1, wherein, The force wheel magnetic units include first force wheel magnetic units and second force wheel magnetic units arranged at the front and rear ends of the force wheel teeth, and the output wheel magnetic units include first output wheel magnetic units and second output wheel magnetic units arranged opposite the first force wheel magnetic units and the second force wheel magnetic units; when the force wheel rotates, the first force wheel magnetic units push the first output wheel magnetic units to move, and the second force wheel magnetic units and the second output wheel magnetic units avoid friction and collision due to mutual repulsion.

3. The magneto-motive transmission device of claim 2, wherein, The first force wheel magnetic units are arranged at the lower abdominal position of the force wheel teeth, and the first output wheel magnetic units are arranged at the upper abdominal position of the output wheel teeth, so that when the force wheel teeth approach the output wheel teeth, the first force wheel magnetic units and the first output wheel magnetic units have the maximum area opposite to each other to generate the maximum thrust.

4. The magneto-motive power transmission apparatus of claim 2, wherein, The second force wheel magnetic units are arranged at the upper abdominal position of the force wheel teeth, and the second output wheel magnetic units are arranged at the lower abdominal position of the output wheel teeth, so that when the force wheel teeth move away from the output wheel teeth, the second force wheel magnetic units and the second output wheel magnetic units have the maximum area opposite to each other to avoid friction and collision.

5. The magneto-motive power transmission apparatus of claim 1, wherein, The surfaces of the force wheel teeth and the output wheel teeth are provided with grooves for embedding the force wheel magnetic units and the output wheel magnetic units, respectively, and screws are used for locking.

6. The magneto motive force transmission device of claim 1, wherein, The two sides of the force wheel teeth and the output wheel teeth are respectively provided with L-shaped pressing plates for strengthening the fixation of the force wheel magnetic units on the force wheel teeth and the fixation of the output wheel magnetic units on the output wheel teeth, and screws are used for locking.

7. The magneto motive force transmission device of claim 1, wherein, The power generator is an electric motor or an engine, which drives a plurality of force wheels to rotate separately or simultaneously.

8. The magneto motive force transmission device of claim 1, wherein, The load is a generator, and a brake portion and an energy storage unit are arranged on the transmission shaft in cooperation with the generator.

9. The magneto-motive power transmission apparatus of claim 1, wherein, The gear set is arranged on the same transmission shaft simultaneously in more than one set, and the gear sets are separated by an anti-interference distance, so that the power of the gear sets is concentrated and output to the transmission shaft.

Citation Information

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