CN202550800U - Vortex tube motor - Google Patents
Vortex tube motor Download PDFInfo
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- CN202550800U CN202550800U CN2012202219170U CN201220221917U CN202550800U CN 202550800 U CN202550800 U CN 202550800U CN 2012202219170 U CN2012202219170 U CN 2012202219170U CN 201220221917 U CN201220221917 U CN 201220221917U CN 202550800 U CN202550800 U CN 202550800U
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Abstract
The utility model discloses a vortex tube motor. The vortex tube motor comprises a vortex tube rotor, a stator, thrust bearings, end caps and a shell, wherein the vortex tube rotor comprises a tube, a vortex-shaped plate which has a spiral structure in the tube, and a tubular magnetic material which is cast at the periphery of the tube; the thrust bearings are sleeved at the two ends of a vortex tube; the stator is a coil which encircles the periphery of the rotor, and is fixedly sleeved in a cylindrical magnetic slot on the inner side of the shell and embedded into the slot; a certain gap is formed between the stator and the rotor; the end caps seal the vortex tube rotor and the two ends of the shell; and the shell is sleeved at the periphery of the stator. The vortex tube motor adopts a mechatronic design and has a simple structure, a transmission device is not required, the motor works directly in series with a liquid or gas pipeline, and the cost investment of a transmission system, field installation space and energy consumption generated in mechanical transmission are saved; in addition, the vortex tube motor is serially connected with a turbine motor, so that the turbine motor can generate power secondarily by using water discharged by the vortex tube motor; and the vortex tube motor also can be arranged at the bottom of a ship to drive the ship to drive or turn.
Description
Technical field
The utility model relates to the electromechanical equipment technical field, relates in particular to a kind of scroll motor.
Background technology
Electric energy is one of topmost energy of modern society.Generator is the plant equipment that the energy conversion of other form is become electric energy; It is driven by the hydraulic turbine, steam turbine, diesel engine or other dynamic power machine, with current, and air-flow; The Conversion of energy that fuel combustion or nuclear fission produce is that mechanical energy is passed to generator, converts electric energy into by generator again.Generator is in industrial and agricultural production, and national defence has been widely used in science and technology and the daily life.
The most extensively to belong to waterpower or steam-powered worm gear drive generator and use in the prior art; Promptly for the generator of worm gear drive its need with other plant equipment to matching; Plant equipment by other provides waterpower or steam driven energy, thereby drives the purpose that worm gear drive reaches generating.And for power generation site, owing to the worm gear drive generator need match with other plant equipment, so the placement space that it need be bigger, cause the floor space in power station bigger, the bigger space of waste.
The utility model content
In view of this, the utility model embodiment provides a kind of scroll motor, when cooperating generating with other plant equipment in order to solve the turbo-driven generator of prior art, and the problem of the big waste floor space that takes up room.
The utility model provides a kind of scroll motor, and said motor comprises: scroll rotor, stator, thrust bearing, end cap and casing;
Said scroll rotor comprise pipe and structure in managing along the spiral vortex-like plate of length of tube direction; And structure is in the peripheral magnetic material of pipe; Wherein the width of this vortex-like plate equates with the radius of pipe; Vortex-like plate constitutes two θ type semicircle spaces of twining each other in pipe, the peripheral middle part casting tubulose magnetic material of pipe;
Said thrust bearing is sleeved on the two ends of said pipe;
Said stator is the periphery that is looped around said tubular magnetic material, and has certain clearance between the said magnetic material, is fixedly set in the inboard cylindrical shape line bag of casing, and this line bag is connected with electrical network and inputs or outputs voltage, electric current;
Said end cap is enclosed in the two ends of said scroll rotor and said casing, and said casing is sleeved on the stator periphery.
Preferably, said scroll motor also comprises: sealing ring;
Said seal ring set is contained in the scroll two ends in the outside of said thrust bearing.
Preferably, said tubular magnetic material is cast in the middle part of the periphery of said scroll.
Preferably, said end cap comprises that first connecting portion, second connecting portion and rotation connect;
Wherein said first connecting portion is connected the pipeline at said scroll motor two ends through flange bolt;
Said second connecting portion is connected the two ends of said casing through flange bolt;
Said rotation connects and is and pass through thrust bearing and rotate with scroll rotor composition and connect.
Preferably, the set inside of said end cap has water stream channel; And
Said casing comprises that two-layer centre is a hollow sandwich, and this hollow sandwich is communicated with the C type backwater cooling system that forms the lantern shape with the water stream channel of the inside of said end cap.
The utility model provides a kind of scroll motor, and this scroll motor comprises scroll rotor, stator, thrust bearing, end cap and casing, and wherein the scroll rotor comprises pipe and structure spiral vortex-like plate in pipe; And be connected in the peripheral magnetic material of pipe; Wherein the width of this vortex-like plate equates with the radius of pipe, and vortex-like plate constitutes two θ type semicircle spaces of twining each other in pipe, the peripheral middle part casting tubulose magnetic material of pipe; Thrust bearing is sleeved on the two ends of said pipe; Stator is the periphery that is looped around magnetic material, and certain clearance is arranged with it, is fixedly set in the inboard cylindrical shape line bag of casing; Said end cap is enclosed in the two ends of said scroll rotor and said casing, and said casing is sleeved on the stator periphery.Because the scroll motor adopts the electromechanical design in the utility model; Simple in structure; Need not transmission device, scroll directly and the pipeline tandem working of liquid or gas, thereby can save the cost input of drive system; And save on-the-spot installing space, also can save the energy consumption that machine driving produces in addition.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the part of the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
The whirlpools such as equal diameter that Fig. 1 provides for the utility model are apart from the profile of scroll motor;
The cutaway view of A-A direction among above-mentioned Fig. 1 that Fig. 2 provides for the utility model;
Among above-mentioned Fig. 1 that Fig. 3 provides for the utility model B-B to cutaway view;
Among above-mentioned Fig. 1 that Fig. 4 provides for the utility model C-C to cutaway view;
The change diameter that Fig. 5 provides for the utility model becomes the profile of whirlpool apart from the scroll motor;
The cutaway view of the A-A direction shown in Figure 5 that Fig. 6 provides for the utility model;
The B-B shown in Figure 5 that Fig. 7 provides for the utility model to cutaway view;
The C-C shown in Figure 5 that Fig. 8 provides for the utility model to cutaway view;
The D-D shown in Figure 5 that Fig. 9 provides for the utility model to cutaway view.
Embodiment
The utility model embodiment satisfies the demand that motor section is deployed in little space in order effectively to reduce the floor space of motor, and a kind of scroll motor is provided.
In order to make the utility model technical problem to be solved, technical scheme and beneficial effect is clearer, understand,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The whirlpools such as equal diameter that Fig. 1 provides for the utility model are apart from the cutaway view of the axis direction of scroll motor, and this scroll motor comprises: end cap 1, scroll rotor 2, sealing ring 3, thrust bearing 4, stator 5 and casing 6.
Wherein, Scroll rotor 2 comprises pipe 21, structure vortex-like plate 22 (oblique line shown in Fig. 1 pipe) and the magnetic material 23 as rotor in pipe; Wherein this vortex-like plate 22 is along the length direction of pipe 21 shape in the shape of a spiral; The equal in length of this vortex-like plate 22 and this pipe 21, and the width of vortex-like plate 22 equates with the radius of pipe 21; Magnetic material 23 is cast in the middle part of pipe 21 peripheries.
Thrust bearing 4 is sleeved on the inboard of the sealed at both ends ring of end cap inboard and scroll 21, makes rotor constitute hollow unit free to rotate.
Said end cap 1 is enclosed in the two ends of scroll rotor 2 and casing 6.Casing 6 is sleeved on the outside of stator 5.
The casing 6 of this scroll motor can adopt double-decker design in the utility model, wherein between interlayer be water stream channel, this water stream channel and the perforation of end cap water stream channel.The hydraulic pressure of output and water (flow) direction make the water of output be pressed into the end cap passage through output end cap hole when machine operation; Oppositely flow into the input end cap through casing hollow sandwich passage again and feed back in the input pipe, so circulation lowers the output of the heat of machine operation generation through water.
The scroll motor is an electromechanical; The high pressure, the high-velocity flow that flow in the scroll pass through in the scroll of motor center; The promotion rotor high-speed rotates; Make mechanical energy convert available electric energy into through motor stator line bag, same, the scroll motor connects directly replacement liquid pump work and need not transmission of fluid pipeline and energized.
The scroll motor that provides in the utility model adopts the electromechanical design; Simple in structure; Need not transmission device, scroll directly and the pipeline tandem working of liquid or gas, thereby can save the cost input of drive system; And save on-the-spot installing space, also can save the energy consumption that machine driving produces in addition.In addition, because the scroll motor of the utility model has adopted the electromechanical design, so it takes up room little at the scene; Be convenient to install, keep in repair, change, can be directly installed in the reservoir dam; Connect with inlet and outlet pipe lines through valve; The generating of water current driven scroll rotor rotation, the water of discharge can drive the following turbo-dynamo secondary electricity generation of installing of dam through drop, has improved the generating efficiency in hydroelectric station greatly.
The heat that the scroll motor produces in the running can be taken the cooling of body tiling realization motor out of through scroll inner current and casing circulating water channel.
In the part that Fig. 1 rotor magnetic material indicates for the mid portion vertical line, what horizontal line indicated is motor stator, i.e. the line packet portion.
The cutaway view of A-A direction among above-mentioned Fig. 1 that Fig. 2 provides for the utility model; End cap 1 comprises little flange of end cap and the big flange of end cap in the utility model; I.e. first connecting portion of this end cap of the little flange of this end cap wherein, this first connecting portion is connected with outer water receiving (gas) pipeline.This A-A to cutaway view in the little flange of end cap be connected through bolt hole 11 outside on water receiving (gas) pipe flange.
The cutaway view of B-B direction among above-mentioned Fig. 1 that Fig. 3 provides for the utility model, this B-B to cutaway view in can find out the inside of vortex-like plate 22 structures in pipe 21, thrust bearing 4 is connected the outside of pipe 21.Vortex-like plate 22 all is " θ " shape semicircular cavities that two areas equate along any interface of axis in the utility model, and two cavitys are across vortex-like plate, as twisting the mutual inner whole space of pipe that is wound in of rope.The big flange of the end cap of end cap 1 is second connecting portion of this end cap, and this second connecting portion is connected with casing 6 through the bolt hole 12 that is provided with on it.
The cutaway view of C-C direction among above-mentioned Fig. 1 that Fig. 4 provides for the utility model; In this Fig. 4; Vortex-like plate 22 structures are in pipe 21, and magnetic material 23 (among Fig. 4 shown in the vertical line) is cast in pipe 21 peripheries, and stator 5 (among Fig. 4 shown in the horizontal line) is looped around the periphery of magnetic material 23; And have certain clearance with magnetic material 23, be fixedly set in casing 6 inboards.
For the structure of the above-mentioned scroll motor of detailed specification, combine change diameter shown in Figure 5 to become the profile of whirlpool apart from the scroll motor at present, the scroll motor of the utility model is elaborated.
Visible this scroll motor comprises end cap 1, scroll rotor 2, sealing ring 3, thrust bearing, stator 5 and casing 6 in this Fig. 5.
Wherein scroll rotor 2 comprises pipe 21, vortex-like plate 22 and magnetic material 23; This vortex-like plate 22 is positioned at pipe 21; The length direction of edge pipe 21 is shape in the shape of a spiral; The length of this vortex-like plate 22 is identical with the length of pipe 21, and the width of vortex-like plate 22 equates that with the radius of pipe 21 corresponding positions tubular magnetic material 23 passes through the mode structure of welding or casting in pipe 21 peripheries.This scroll motor becomes the whirlpool apart from motor for becoming diameter in the present embodiment; Can from Fig. 5, find out the scroll rotor diameter difference of various piece along its length; The vortex-like plate whirlpool of various piece along its length is different apart from also; But the width of vortex-like plate equates with the radius of pipe corresponding position, and the corresponding casing also difference of diameter of various piece along its length.
Thrust bearing 4 is sleeved on the two ends of pipe 21, bears the impulsive force of High-Pressure Water, and makes rotor constitute hollow unit free to rotate.The outside of thrust bearing 4 is equipped with sealing ring 3, thereby can prevent water inlet in the motor.
Outer ring at this magnetic material 23 is wrapping stator 5, and this stator 5 is a cylindrical shape line bag, and has certain clearance between the magnetic material 23, and this line bag is connected with electrical network and inputs or outputs voltage, electric current.
Casing 6 is sleeved on the outside of stator 5, and end cap 1 is enclosed in the two ends of scroll rotor 2 and casing 6.
This end cap 1 comprises two connecting portions; And the space that holds thrust bearing 4 is set at end cap 1; This end cap 1 is installed in the two ends of scroll rotor 2 and casing 6, and first connecting portion is connected on outer water receiving (gas) pipeline through bolt, and second connecting portion is connected the two ends of casing 6 through bolt.End cap 1 also comprises the rotation draw bail, and end cap is formed rotation through thrust bearing and scroll rotor and connected.
In the utility model, take away for the heat that the scroll machine operation is produced; Improve the operating efficiency of scroll motor; Be provided with water stream channel 12 in this end cap 1, and this casing 6 is two-layer design, in the middle of two-layer, forms hollow sandwich 61; This hollow sandwich 61 is communicated with formation C shape passage with this end cap 1 inner passage 12, is surrounded on some peripheral C shape passages of motor and forms the backwater cooling system just as lantern.
Because the characteristic of the C shape passage that two end cap and casing assembling back form; With the water (flow) direction decision in the pipe; The water of output is pressed into the end cap water stream channel through the output gap; Oppositely flow into the input end cap through casing hollow sandwich passage again and feed back in the input pipeline, so circulation lowers the output of the heat of machine operation generation through water.
The cutaway view of the A-A direction shown in Figure 5 that Fig. 6 provides for the utility model; End cap 1 comprises little flange of end cap and the big flange of end cap in the utility model; I.e. first connecting portion of this end cap of the little flange of this end cap wherein, this first connecting portion is connected with outer water receiving (gas) pipeline.The little flange of end cap has been shown in this Fig. 6, promptly first connecting portion of end cap and the pipe between annexation, first connecting portion of end cap 1 is connected on the flange of outer water receiving (gas) pipeline through bolt hole 11.
The cutaway view of the B-B direction shown in Figure 5 that Fig. 7 provides for the utility model, this B-B to cutaway view in can find out the inside of vortex-like plate 22 structures in pipe 21, thrust bearing 4 is connected the outside of pipe 21.Vortex-like plate 22 all is " θ " shape semicircular cavities that two areas equate along any interface of axis in the utility model, and two cavitys are across vortex-like plate, as twisting the mutual inner whole space of pipe that is wound in of rope.The big flange of end cap has been shown in this Fig. 7, i.e. second connecting portion of end cap and the annexation between the casing 6, second connecting portion of end cap 1 is connected with casing 6 through its bolt hole 12 of going up setting.
The cutaway view of the C-C direction shown in Figure 5 that Fig. 8 provides for the utility model; Vortex-like plate 22 structures are in pipe 21; Magnetic material 23 (among Fig. 8 shown in the vertical line) welds or is cast in pipe 21 peripheries; Stator 5 (among Fig. 8 shown in the horizontal line) is looped around the periphery of said magnetic material 23, and have with magnetic material must the gap, and stator 5 is fixedly set in the casing inboard.Casing 6 adopts double layer design, and the double-deck interior hollow sandwich 61 that forms is connected to form C shape backwater channel and lantern shape cooling system with the end cap passage.
The cutaway view of the D-D direction shown in Figure 5 that Fig. 9 provides for the utility model; Vortex-like plate 22 is positioned at pipe 21 inside in the scroll rotor 2; Thrust bearing 4 is arranged in the space that the outside of end cap 1 and scroll rotor 2 constitutes, and in the arranged outside of this thrust bearing 4 sealing ring 3 is arranged.Sealing ring 3 is rubber or other elastomeric materials.
This scroll motor comprises that also whirlpools such as becoming diameter becomes the whirlpool apart from the scroll motor apart from scroll motor, equal diameter in the utility model; Above-mentioned Fig. 1 of its domain and similar shown in Figure 5; Believe that those skilled in the art can be according to the description of above-mentioned scroll motor, whirlpools such as definite change diameter become the structure of whirlpool apart from the scroll motor apart from scroll motor, equal diameter.
Because the scroll motor comprises above-mentioned polytype, can select dissimilar powers of motor according to the hydropower resources situation is that diameter and the vortex-like plate of scroll whirlpool distance and scroll length and reducing displacement and the thrust bearing parameter in pipe is to ask for desirable effect.
In the utility model, when the scroll motor is used for hydroelectric power generation, can the gate of dam be changed into chamber, the scroll motor is installed in the chamber through valve and drainage pipeline; Open the valve reservoir; Upper reaches water under high pressure runs up through the scroll pushing motor, makes the mechanical energy conversion be electric energy, reaches one of purpose of generating; The water of getting rid of can also drive the turbines secondary electricity generation under the dam through certain drop; Thereby reach under the less investment situation, the increasing substantially of generating capacity, this is the characteristics of scroll motor application equally.
And all at present large ships; Submarine all is that engine passes through the external screw in drive system transmission naval vessel; The water-driven naval vessel operation of stirring stern, in service on the naval vessel, we can see the white wave band that the stern traction is very long; One of reason is exactly that the air that stirs in the water in the screw rotation process causes, and these air have caused the power loss of screw just.The scroll motor is installed on the bottom on naval vessel, sucks current from hull bottom and discharge water jets under high pressure through quickening from stern again, produce the motive force to ships, such current are not with air, and power loss is just much little.Data shows that the main engine power of external heavy aircraft carrier reaches 50,000 to 70,000 kilowatts; If every of scroll power of motor can reach 5000-10000 kilowatt; It is fit that 5 ~ 10 scroll group of motors of the same type are installed alow side by side, and respectively have the generator coupling to drive the part electric motor starting; Can make the naval vessel at a slow speed or quicken and turn to go, all the navigating power on electric motor starting naval vessels just can obtain the high-ball requirement.So can reduce mechanical no-load consumption, can deduct machine driven system and save space and cost input for the naval vessel hold than good utilisation hold space equally, this is another characteristics of scroll motor application equally.
The utility model provides a kind of scroll motor, and this scroll motor comprises scroll rotor, stator, thrust bearing, end cap and casing, and wherein the scroll rotor comprises pipe and structure spiral vortex-like plate in pipe; And structure is in the peripheral magnetic material of pipe; Wherein the width of this vortex-like plate equates with the radius of pipe, and vortex-like plate constitutes two θ type semicircle spaces of twining each other in pipe, the peripheral middle part casting tubulose magnetic material of pipe; Thrust bearing is sleeved on the two ends of said pipe; Stator is the periphery that is looped around magnetic material, and certain clearance is arranged with it, is fixedly set in the inboard cylindrical shape line bag of casing; Said end cap is enclosed in the two ends of said scroll rotor and said casing, and said casing is sleeved on the stator periphery.Because the scroll motor adopts the electromechanical design in the utility model; Simple in structure; Need not transmission device, scroll directly and the pipeline tandem working of liquid or gas, thereby can save the cost input of drive system; And save on-the-spot installing space, also can save the energy consumption that machine driving produces in addition.
Above-mentioned explanation has illustrated and has described a preferred embodiment of the utility model; But as previously mentioned; Be to be understood that the utility model is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in utility model contemplated scope described herein, improve through the technology or the knowledge of above-mentioned design or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and the scope of the utility model, then all should be in the protection range of the utility model accompanying claims.
Claims (5)
1. a scroll motor is characterized in that, said motor comprises: scroll rotor, stator, thrust bearing, end cap and casing;
Said scroll rotor comprise pipe and structure in managing along the spiral vortex-like plate of length of tube direction; And structure is in the peripheral magnetic material of pipe; Wherein the width of this vortex-like plate equates with the radius of pipe; Vortex-like plate constitutes two θ type semicircle spaces of twining each other in pipe, the peripheral middle part casting tubulose magnetic material of pipe;
Said thrust bearing is sleeved on the two ends of said pipe;
Said stator is the periphery that is looped around said tubular magnetic material, and has certain clearance between the said magnetic material, is fixedly set in the inboard cylindrical shape line bag of casing, and this line bag is connected with electrical network and inputs or outputs voltage, electric current;
Said end cap is enclosed in the two ends of said scroll rotor and said casing, and said casing is sleeved on the stator periphery.
2. scroll motor as claimed in claim 1 is characterized in that, said scroll motor also comprises: sealing ring;
Said seal ring set is contained in the scroll two ends in the outside of said thrust bearing.
3. scroll motor as claimed in claim 1 is characterized in that said tubular magnetic material is cast in the middle part of the periphery of said scroll.
4. scroll motor as claimed in claim 1 is characterized in that, said end cap comprises that first connecting portion, second connecting portion and rotation connect;
Wherein said first connecting portion is connected the pipeline at said scroll motor two ends through flange bolt;
Said second connecting portion is connected the two ends of said casing through flange bolt;
Said rotation connects and is and pass through thrust bearing and rotate with scroll rotor composition and connect.
5. like claim 1 or 4 described scroll motors, it is characterized in that the set inside of said end cap has water stream channel; And
Said casing comprises that two-layer centre is a hollow sandwich, and this hollow sandwich is communicated with the C type backwater cooling system that forms the lantern shape with the water stream channel of the inside of said end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202219170U CN202550800U (en) | 2012-05-17 | 2012-05-17 | Vortex tube motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202219170U CN202550800U (en) | 2012-05-17 | 2012-05-17 | Vortex tube motor |
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| Publication Number | Publication Date |
|---|---|
| CN202550800U true CN202550800U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202219170U Expired - Lifetime CN202550800U (en) | 2012-05-17 | 2012-05-17 | Vortex tube motor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684391A (en) * | 2012-05-17 | 2012-09-19 | 孟庆保 | Vortex tube motor |
| CN104976043A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Vortex barrier-free spiral ring power generation equipment |
| CN104976062A (en) * | 2015-04-21 | 2015-10-14 | 李德生 | High-voltage outer transmission electricity generating system with threaded concave walls |
| CN104989582A (en) * | 2015-04-21 | 2015-10-21 | 李德生 | Medium gear spiral groove power generation system |
| CN105041551A (en) * | 2015-04-23 | 2015-11-11 | 李德生 | Vortex barrier-free tooth recessed wall generating device |
| CN105041580A (en) * | 2015-04-21 | 2015-11-11 | 李德生 | Tooth hollow turbine power generation system |
| CN105257456A (en) * | 2015-11-02 | 2016-01-20 | 魏常勇 | Hydroelectric generator |
| CN110318928A (en) * | 2019-07-09 | 2019-10-11 | 宝鸡市林山环保科技推广有限公司 | A kind of turbo-hydroturbine |
-
2012
- 2012-05-17 CN CN2012202219170U patent/CN202550800U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684391A (en) * | 2012-05-17 | 2012-09-19 | 孟庆保 | Vortex tube motor |
| CN102684391B (en) * | 2012-05-17 | 2014-07-16 | 孟庆保 | Vortex tube motor |
| CN104976062A (en) * | 2015-04-21 | 2015-10-14 | 李德生 | High-voltage outer transmission electricity generating system with threaded concave walls |
| CN104989582A (en) * | 2015-04-21 | 2015-10-21 | 李德生 | Medium gear spiral groove power generation system |
| CN105041580A (en) * | 2015-04-21 | 2015-11-11 | 李德生 | Tooth hollow turbine power generation system |
| CN104976043A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Vortex barrier-free spiral ring power generation equipment |
| CN105041551A (en) * | 2015-04-23 | 2015-11-11 | 李德生 | Vortex barrier-free tooth recessed wall generating device |
| CN105257456A (en) * | 2015-11-02 | 2016-01-20 | 魏常勇 | Hydroelectric generator |
| CN110318928A (en) * | 2019-07-09 | 2019-10-11 | 宝鸡市林山环保科技推广有限公司 | A kind of turbo-hydroturbine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140716 |
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| RGAV | Abandon patent right to avoid regrant |