CN108233622A - A kind of magnetic drives power generator built in gas pipeline - Google Patents
A kind of magnetic drives power generator built in gas pipeline Download PDFInfo
- Publication number
- CN108233622A CN108233622A CN201810098148.1A CN201810098148A CN108233622A CN 108233622 A CN108233622 A CN 108233622A CN 201810098148 A CN201810098148 A CN 201810098148A CN 108233622 A CN108233622 A CN 108233622A
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- Prior art keywords
- interior
- magnetic drives
- power generator
- permanent magnet
- gas pipeline
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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.)
- Pending
Links
- 238000010248 power generation Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 5
- VQAPWLAUGBBGJI-UHFFFAOYSA-N [B].[Fe].[Rb] Chemical compound [B].[Fe].[Rb] VQAPWLAUGBBGJI-UHFFFAOYSA-N 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 2
- 239000012774 insulation material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 3
- 239000002737 fuel gas Substances 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ZRFVNNCSPNLIJO-UHFFFAOYSA-N [Fe].[Rb] Chemical compound [Fe].[Rb] ZRFVNNCSPNLIJO-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses the magnetic drives power generator built in a kind of gas pipeline, including：The L-shaped take-over type shell for being provided at both ends with flange, the pressure energy internal rotor mechanism being rotatably arranged in the take-over type shell, the power generation mechanism being arranged on outside the take-over type shell, the output terminal of the pressure energy internal rotor mechanism and the input terminal of power generation mechanism are by being oppositely arranged and being driven respectively positioned at the inside and outside interior magnetic drives rotor of the take-over type shell and outer magnetic drives rotor.Apparatus of the present invention can be directly mounted on existing pipeline, floor space is small, and transport is flexible for installation into pipeline section shape；It is operated after one-shot without personnel, available for remote districts, operating cost is low；Simple in structure, equipment is few, easy processing, and cost of investment is low；Magnetic drives power generator is designed, avoids security risk caused by fuel gas generation in pipeline.
Description
Technical field
The invention belongs to pressure energy of natural gas to utilize field, and in particular to the magnetic drives power generation built in a kind of gas pipeline
Device.
Background technology
Current many voltage regulating stations, pressure regulating box particularly deviate urban district area, more lack electricity all in without electricity or power shortage state
Source.If drawing alternating current, high drawing cable expense is needed, and government's examination ＆ approval are difficult, have again much according to solar energy or wind energy
Destabilizing factor can not continually and steadily generate electricity.Therefore it is badly in need of finding a kind of method that can provide electric energy on the spot.
The pressure of gas distributing system is far above the required pressure of user, and containing has huge pressure energy, utilizes pressure energy
Power generation is a kind of realistic plan on the spot.Traditional pressure energy is too big using installation area and staff is needed to grasp
Make, and expense is excessively high, it is impossible to generally be applicable in.Therefore, developing a kind of built in pipeline power generator simple in structure has reality
Feasible meaning, can under conditions of low cost meet demand, and can flexibly transport mounted on the ground of various existing gas ductworks
Side.
Chinese patent application CN105822904A discloses a kind of gas pipeline built-in power generation regulator.By natural
Impeller is added in feed channel and generator generates electricity, and the electricity sent out is stored in accumulator, then supplies electricity to electrical equipment.The hair
It is bright small, convenient for disassembly and assembly, the burning line monitoring device electrical problem of remote districts can be solved.But invention power generation seat in the plane
Inside gas pipeline, safety is low；It need to connect wires out of pipeline when electricity is supplied electrical equipment, output gap be easy to cause combustion
Gas leakage.
Chinese invention patent application CN107489459A discloses a kind of closed whole power generator of gas high pressure.It will hair
Motivation is placed on output shaft and generator in same high-pressure closed vessel, solves pressure energy power generation because output shaft clearance makes
The problem of gas leaks ensures the output quantity of gas, improves generating efficiency.The invention has preferable high-pressure gas seal,
Prevent gas from leaking.But the invention does not solve the problems, such as that generator exports electrical wire interface, and there are still security risk, and equipment is complicated
It cannot directly be applicable in and gas pipeline.
Invention content
It is an object of the invention to be directed to the hidden danger of existing natural gas line built-in power generation device at present presented above
And it is insufficient, the magnetic drives power generator built in a kind of gas pipeline is provided, is used with reaching the remote safety without electric power-shortage area
Electricity, steady operation.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of magnetic drives power generator built in gas pipeline, including：It is provided at both ends with the L-shaped take-over type shell of flange, turns
The pressure energy internal rotor mechanism being arranged on dynamicly in the take-over type shell, the generator being arranged on outside the take-over type shell
Structure, the output terminal of the pressure energy internal rotor mechanism and the input terminal of power generation mechanism are by being oppositely arranged and being located at respectively described connect
The inside and outside interior magnetic drives rotor of tubular outer shell and outer magnetic drives rotor are driven.
Further, the pressure energy internal rotor mechanism includes impeller, interior shaft, is fixedly connected with stent, bearing, described
The stent that is fixedly connected be fixedly connected with the inner wall of the take-over type shell, the bearing, which is fixed on, is fixedly connected with mid-stent,
Interior shaft one end connects impeller, and magnetic drives rotor in other end connection, middle part is fixed in the inner ring of the bearing.
Further, the interior magnetic drives rotor includes inner rotary table, several interior permanent magnets, interior pedestal, and described is interior
Permanent magnet is evenly spaced apart to be embedded in inner rotary table front end, and each interior permanent magnet is staggeredly uniformly distributed along direction of rotation N, S pole, described interior
Turntable rear end is fixedly connected by interior pedestal with pressure energy internal rotor mechanism output terminal；
The outer magnetic drives rotor includes outer rotary table, several outer permanent magnets, outer frame, the outer permanent magnet uniform intervals
Ground is embedded in outer rotary table front end, and each outer permanent magnet is staggeredly uniformly distributed along direction of rotation N, S pole, and the outer rotary table rear end passes through outer
Pedestal is fixedly connected with the input terminal for the mechanism that generates electricity.
Further, the interior permanent magnet integrally is evenly spaced apart to be embedded in fan annular, each interior permanent magnet in annular shape
Non-magnetic material is provided between inner rotary table front end, adjacent interior permanent magnet.
Further, the outer permanent magnet integrally is evenly spaced apart to be embedded in fan annular, each outer permanent magnet in annular shape
Non-magnetic material is provided between outer rotary table front end, adjacent outer permanent magnet.
Further, the power generation mechanism includes the outer shaft of explosion-proof power generator, the connection explosion-proof power generator rotor.
Further, the take-over type shell, to be fixedly connected with stent, interior shaft, bearing, interior pedestal, inner rotary table be exhausted
Edge material.
Further, the interior permanent magnet, outer permanent magnet quantity be respectively 2~18.
Further, the outer permanent magnet is distributed to form the closure magnetic line of force in pairs with the interior permanent magnet.
Further, the interior permanent magnet and outer permanent magnet material are for rubidium iron boron, and magnetic energy product is 27~50 MGOe.
Relative to the prior art, the advantage of the invention is that：
（1）Apparatus of the present invention can be directly mounted at into pipeline section shape on existing pipeline（Replace original pipeline section）, floor space is small, fortune
It is defeated flexible for installation.
（2）It is operated after one-shot of the present invention without personnel, available for remote districts, operating cost is low.
（3）Apparatus of the present invention are simple in structure, and equipment is few, easy processing, and cost of investment is low.
（4）The present invention is using magnetic drives, and external cord, not ensure that the long-term safety stable operation of device.
Description of the drawings
Fig. 1 is the general structure schematic diagram of gas pipeline power generator.
Fig. 2 is A direction views in Fig. 1.
Fig. 3 is the rotor structure schematic diagram of magnetic drives power generator in embodiment.
It is shown in figure：1- explosion-proof power generators；2- outer shafts；3- outer frames；4- outer rotary tables；The outer permanent magnets of 5-；6- takes over
Formula shell；7- first flanges；8- second flanges；9- impellers；Shaft in 10-；11- bearings；12- is fixedly connected with stent；Base in 13-
Seat；14- inner rotary tables；Permanent magnet in 15-.
Specific embodiment
The purpose of the present invention is described in further detail below by specific embodiment, embodiment cannot herein one by one
It repeats, but therefore embodiments of the present invention are not defined in following embodiment.
As shown in Figure 1 to Figure 3, the magnetic drives power generator built in a kind of gas pipeline, including：
Both ends are respectively arranged with the L-shaped take-over type shell 6 of first flange 7 and second flange 8, are rotatably arranged at the take-over type
Pressure energy internal rotor mechanism in shell 6, the power generation mechanism being arranged on outside the take-over type shell 6, the pressure energy internal rotor
The output terminal of mechanism and the input terminal of power generation mechanism by be oppositely arranged and be located at respectively the take-over type shell 6 it is inside and outside in
Magnetic drives rotor and outer magnetic drives rotor are driven.
Specifically, the pressure energy internal rotor mechanism includes impeller 9, interior shaft 10, is fixedly connected with stent 12, bearing
11, the stent 12 that is fixedly connected is fixedly connected with the inner wall of the take-over type shell 6, and the bearing 11 is fixed on fixed company
It connects in the middle part of stent 12, interior 10 one end of shaft connection impeller 9, magnetic drives rotor in other end connection, middle part is fixed on the axis
It holds in 11 inner ring.
Specifically, as shown in figure 3, the interior magnetic drives rotor includes 14,8 interior permanent magnets 15 of inner rotary table, interior
Pedestal 13, the interior permanent magnet 15 are evenly spaced apart to be embedded in 14 front end of inner rotary table, and each interior permanent magnet 15 is along direction of rotation N, S
Pole is staggeredly uniformly distributed, and 14 rear end of inner rotary table is fixedly connected by interior pedestal 13 with pressure energy internal rotor mechanism output terminal；
The outer magnetic drives rotor includes outer rotary table 4,8 outer permanent magnets 5, outer frames 3,5 uniform intervals of outer permanent magnet
Ground is embedded in 4 front end of outer rotary table, and each outer permanent magnet 5 is staggeredly uniformly distributed along direction of rotation N, S pole, and 4 rear end of outer rotary table leads to
The input terminal that outer frame 3 is crossed with the mechanism that generates electricity is fixedly connected.The interior permanent magnet 15 is sintering rubidium iron with outer 5 material of permanent magnet
Boron N38, magnetic energy product is in 36~39 MGOe, and for residual magnetization in 1.22~1.25T, maximum operating temperature is 80 DEG C.In order to make interior magnetic
Power drive rotor and outer magnetic drives rotor have suitable spacing, therefore, interior magnetic drives rotor and outer magnetic drives rotor
Between the tube wall of take-over type shell 6 make the plane parallel with interior magnetic drives rotor and outer magnetic drives rotor end-face.
Specifically, the interior permanent magnet 15, in fan annular, each interior permanent magnet 15 is whole to be evenly spaced apart in annular shape
It is embedded in 14 front end of inner rotary table, lines up D60mm*D30mm annulus, thickness 5mm is provided between adjacent interior permanent magnet 15 non-magnetic
Property material.In fan annular, each outer permanent magnet 5 is whole to be evenly spaced apart to be embedded in outer rotary table 4 the outer permanent magnet 5 in annular shape
Front end, lines up D60mm*D30mm annulus, thickness 5mm, and non-magnetic material is provided between adjacent outer permanent magnet 5.Outside described forever
Distribution forms the closure magnetic line of force to magnet 5 in pairs with the interior permanent magnet 15.
Specifically, the power generation mechanism include explosion-proof power generator 1, outer turn of connection 1 rotor of explosion-proof power generator
Axis 2.
Specifically, the take-over type shell 6, be fixedly connected stent 12, interior shaft 10, bearing 11, interior pedestal 13, interior turn
Disk 14 is insulating materials, such as take-over type shell 6, be fixedly connected with stent 12, the material of interior shaft 10 is fiberglass, glass
Glass steel is insulating materials, and stretching, bending and compressive strength can reach more than 400Mpa, and interior pedestal 13, inner rotary table 14 use
Engineering plastics ABS insulate and is easy to moulding.The inside and outside loop material of the bearing 11 uses HDPE, PP or UPE, keeps frame material
Using HDPE, PP or UPE, ball is glass marble, stainless steel ball or Ceramic Balls, and the bearing has insulating properties, at -196 DEG C
Lower holding high tenacity.
When 9 rotating speed of impeller reaches 800rpm, 1 output power of explosion-proof power generator is measured as 56w, can meet many pressure regulation
It stands, the power demand of pressure regulating box, it is safe and stable reliable.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention
All any modification, equivalent and improvement made within spirit and principle etc., should be included in the protection of the claims in the present invention
Within the scope of.
Claims (10)
1. a kind of magnetic drives power generator built in gas pipeline, which is characterized in that including：
It is provided at both ends with the L-shaped take-over type shell (6) of flange, the pressure energy being rotatably arranged in the take-over type shell (6)
Internal rotor mechanism is arranged on the power generation mechanism of the take-over type shell (6) outside, the output terminal of the pressure energy internal rotor mechanism and
The input terminal for the mechanism that generates electricity is by being oppositely arranged and being located at respectively the inside and outside interior magnetic drives rotor of the take-over type shell (6)
It is driven with outer magnetic drives rotor.
2. the magnetic drives power generator built in gas pipeline according to claim 1, which is characterized in that the pressure
Energy internal rotor mechanism includes impeller (9), interior shaft (10), is fixedly connected with stent (12), bearing (11), and described is fixedly connected with branch
Frame (12) is fixedly connected with the inner wall of the take-over type shell (6), and the bearing (11), which is fixed on, to be fixedly connected in stent (12)
Portion, interior shaft (10) one end connection impeller (9), magnetic drives rotor in other end connection, middle part is fixed on the bearing (11)
Inner ring in.
3. the magnetic drives power generator built in gas pipeline according to claim 2, which is characterized in that the interior magnetic
Power drive rotor includes inner rotary table (14), several interior permanent magnets (15), interior pedestal (13), between the interior permanent magnet (15) is uniform
It is embedded every ground in inner rotary table (14) front end, each interior permanent magnet (15) is staggeredly uniformly distributed along direction of rotation N, S pole, the inner rotary table
(14) rear end is fixedly connected by interior pedestal (13) with pressure energy internal rotor mechanism output terminal；
The outer magnetic drives rotor includes outer rotary table (4), several outer permanent magnets (5), outer frame (3), the outer permanent magnetism
Body (5) is evenly spaced apart to be embedded in outer rotary table (4) front end, and each outer permanent magnet (5) is staggeredly uniformly distributed along direction of rotation N, S pole,
Outer rotary table (4) rear end is fixedly connected by outer frame (3) with the input terminal for the mechanism that generates electricity.
4. the magnetic drives power generator built in gas pipeline according to claim 3, which is characterized in that it is described it is interior forever
Magnet (15) integrally is evenly spaced apart to be embedded in inner rotary table (14) front end, phase in fan annular, each interior permanent magnet (15) in annular shape
In neighbour non-magnetic material is provided between permanent magnet (15).
5. the magnetic drives power generator built in gas pipeline according to claim 3, which is characterized in that it is described it is outer forever
In fan annular, each outer permanent magnet (5) is integrally evenly spaced apart to be embedded in annular shape in outer rotary table (4) front end magnet (5), it is adjacent outside
Permanent magnet is provided with non-magnetic material between (5).
6. the magnetic drives power generator built in gas pipeline according to claim 1, which is characterized in that the power generation
Mechanism includes the outer shaft (2) of explosion-proof power generator (1), connection explosion-proof power generator (1) rotor.
7. the magnetic drives power generator built in gas pipeline according to claim 3, which is characterized in that the take-over type
Shell (6), to be fixedly connected with stent (12), interior shaft (10), bearing (11), interior pedestal (13), inner rotary table (14) be insulation material
Material.
8. the magnetic drives power generator built in gas pipeline according to claim 3, which is characterized in that it is described it is interior forever
Quantity respectively (2)~(18) piece of magnet (15), outer permanent magnet (5).
9. the magnetic drives power generator built in gas pipeline according to claim 3, which is characterized in that the outer permanent magnetism
Distribution forms the closure magnetic line of force to body (5) in pairs with the interior permanent magnet (15).
10. the magnetic drives power generator built in gas pipeline according to claim 3, which is characterized in that in described forever
Magnet (15) and outer permanent magnet (5) material are for rubidium iron boron, and magnetic energy product is 27~50MGOe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098148.1A CN108233622A (en) | 2018-01-31 | 2018-01-31 | A kind of magnetic drives power generator built in gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098148.1A CN108233622A (en) | 2018-01-31 | 2018-01-31 | A kind of magnetic drives power generator built in gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233622A true CN108233622A (en) | 2018-06-29 |
Family
ID=62669446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810098148.1A Pending CN108233622A (en) | 2018-01-31 | 2018-01-31 | A kind of magnetic drives power generator built in gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108233622A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221176A (en) * | 2011-03-21 | 2011-10-19 | 上海通用化工技术研究所 | Emergency light indicator used in fire-fighting spraying system |
| CN202707348U (en) * | 2012-07-24 | 2013-01-30 | 重庆金之川动力机械有限公司 | Fluid pipeline differential pressure generating device |
| CN104454623A (en) * | 2014-12-01 | 2015-03-25 | 江苏奔腾汽车科技有限公司 | Power pump magnetic coupling shaft coupler |
| CN105065066A (en) * | 2015-07-29 | 2015-11-18 | 华南理工大学 | Internal generating set of gas pipeline |
| CN105781854A (en) * | 2016-05-04 | 2016-07-20 | 武景新 | Tap water pipeline water flow self- power generation device and use method thereof |
| CN205725413U (en) * | 2016-03-01 | 2016-11-23 | 镇江明润信息科技有限公司 | Magnetic coupling whirligig |
| KR20160139674A (en) * | 2015-05-28 | 2016-12-07 | 주식회사 코마 | Power generation apparatus using turbo expander of NG supply pipeline |
| CN207939342U (en) * | 2018-01-31 | 2018-10-02 | 广州莱仑特种装备有限公司 | A kind of magnetic drives power generator built in gas pipeline |
-
2018
- 2018-01-31 CN CN201810098148.1A patent/CN108233622A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221176A (en) * | 2011-03-21 | 2011-10-19 | 上海通用化工技术研究所 | Emergency light indicator used in fire-fighting spraying system |
| CN202707348U (en) * | 2012-07-24 | 2013-01-30 | 重庆金之川动力机械有限公司 | Fluid pipeline differential pressure generating device |
| CN104454623A (en) * | 2014-12-01 | 2015-03-25 | 江苏奔腾汽车科技有限公司 | Power pump magnetic coupling shaft coupler |
| KR20160139674A (en) * | 2015-05-28 | 2016-12-07 | 주식회사 코마 | Power generation apparatus using turbo expander of NG supply pipeline |
| CN105065066A (en) * | 2015-07-29 | 2015-11-18 | 华南理工大学 | Internal generating set of gas pipeline |
| CN205725413U (en) * | 2016-03-01 | 2016-11-23 | 镇江明润信息科技有限公司 | Magnetic coupling whirligig |
| CN105781854A (en) * | 2016-05-04 | 2016-07-20 | 武景新 | Tap water pipeline water flow self- power generation device and use method thereof |
| CN207939342U (en) * | 2018-01-31 | 2018-10-02 | 广州莱仑特种装备有限公司 | A kind of magnetic drives power generator built in gas pipeline |
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