CN107191263A - Oxyhydrogen engine electric power generating system by fuel of water - Google Patents

Oxyhydrogen engine electric power generating system by fuel of water Download PDF

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Publication number
CN107191263A
CN107191263A CN201710228384.6A CN201710228384A CN107191263A CN 107191263 A CN107191263 A CN 107191263A CN 201710228384 A CN201710228384 A CN 201710228384A CN 107191263 A CN107191263 A CN 107191263A
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CN
China
Prior art keywords
cylinder
engine
generator
hydrogen
water
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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
Application number
CN201710228384.6A
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Chinese (zh)
Inventor
叶发琦
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Individual
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Individual
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Filing date
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Priority to CN201710228384.6A priority Critical patent/CN107191263A/en
Publication of CN107191263A publication Critical patent/CN107191263A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/042Rotating electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B75/24Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/12Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/032Producing and adding steam
    • F02M25/035Producing and adding steam into the charge intakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F02B2043/106Hydrogen obtained by electrolysis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B2075/1804Number of cylinders
    • F02B2075/1808Number of cylinders two
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The invention provides the oxyhydrogen engine electric power generating system using water as fuel, including engine, generator, hydrogen generator, control system, distribution center, the hydrogen generator is connected with engine by pipeline, the generator is connected with engine by axle, generator is electrically connected with distribution center, hydrogen generator, and hydrogen generator, engine, generator, distribution center are to electrically connect with control system;Inventive engine produces hydrogen, water smoke vapour using water electrolysis, hydrogen and water smoke vapour are transported in cylinder respectively, after being compressed through piston, ignition igniting releases energy, fuel and product of the present invention are almost pollution-free, the reliability of engine is improved, is connected using one-way valve tube and lubricating oil is provided with crankcase and piston, crankcase, the abrasion of mechanical part is reduced, with extensive market value.

Description

Oxyhydrogen engine electric power generating system by fuel of water
Technical field
The present invention relates to field of internal combustion engine, and in particular to a kind of oxyhydrogen engine electric power generating system using water as fuel.
Background technology
Major part engine is all fuel engines at present, and it has the disadvantage that efficiency is low, only 30% or so, gasoline combustion production Raw energy major part is discharged into air with waste gas in the form of heat, the attention with society to environmental protection problem, people Have begun to set about research and development and use free of contamination engine, the BMW automobile factorys of such as Germany, which once tested, adjusts engine It is whole to can burn " liquified hydrogen ".But liquefaction of hydrogen, temperature must be made to be reduced to subzero 252 DEG C, its cost exceedes production equivalent vapour 4 times of oily cost, in the case where oil is not yet run out, it is clear that infeasible.
The content of the invention
In order to solve problems of the prior art, the invention provides the oxyhydrogen engine power generation using water as fuel System, with cost is low, free of contamination feature.
Technical proposal that the invention solves the above-mentioned problems is:Oxyhydrogen engine electric power generating system by fuel of water, including Engine, generator, hydrogen generator, control system, distribution center, the hydrogen generator are connected with engine by pipeline Connect, the generator is connected with engine by axle, generator is electrically connected with distribution center, hydrogen generator, hydrogen generator, Engine, generator, distribution center are to electrically connect with control system.
The engine includes the first cylinder, the second cylinder, and the first cylinder is located at one end of oxyhydrogen engine, the second gas Cylinder, which is located in the other end of oxyhydrogen engine, the first cylinder, is provided with first piston, is provided between first piston and the first cylinder Combustion chamber, the first cylinder is provided with fuel injector, ignition, exhaust valve, air inlet, one-way valve tube, and air inlet is located at Cylinder upper end, one-way valve tube are located at cylinder lower end, and ignition is located between fuel injector and exhaust valve, on first piston Provided with compression ring, compression ring is cirque structure, and first piston is provided with piston pin, and it is big that connecting rod includes small end of connecting rod watt, connecting rod Head watt, small end of connecting rod watt is connected by piston pin with piston, and big end watt is connected by bolt with crankcase, and bent axle is fixed on In crankcase, bent axle is provided with crank throw, ball bearing is provided between bent axle and crank throw, bent axle is provided with axial sensor, described Second cylinder is identical with the first air cylinder structure, and the second cylinder is symmetrical on bent axle with the first cylinder.
The hydrogen generator includes hydrogen generator main body, pulse width modulator, temperature sensor, current sensor, arteries and veins Wide modulator one end is electrically connected with hydrogen generator main body, the pulse width modulator other end and generating mechatronics, current sensor One end is electrically connected with pulse width modulator, and the current sensor other end is electrically connected with control system, and temperature sensor is sent out positioned at hydrogen It is provided with the side of raw device main body, hydrogen generator main body in the first cavity, the first cavity and is provided with water and potassium hydroxide, first is empty Chamber upper end is provided with the first pipeline, second pipe, and the first pipeline is Hydrogen Line, the other end and the fuel injector phase of the first pipeline Even, second pipe is water smoke steam pipe road, and the other end of second pipe is connected with air inlet.
The control system includes frequency sensor, microprocessor;The distribution center includes AC/DC convertor, voltage Sensor, ignition, fuel injector, axial sensor, temperature sensor, current sensor, voltage sensor, frequency Sensor is electrically connected with microprocessor.
Lubricating oil is provided with the crankcase, one-way valve tube one end is connected with crankcase, the one-way valve tube other end and piston It is connected;One-way valve tube can be by the lubricating oil one-way transmission in crankcase into piston, between piston and cylinder inner wall Lubrication.
The connecting rod is straight reciprocating motion, and bent axle is rotary motion;Piston is fired by compression hydrogen and oxygen, is pushed away Piston is moved along a straight line, and linear motion is changed into rotary motion by connecting rod, and the rotation of bent axle is the power of engine Source.
Hydrogen is injected in cylinder by fuel injector;Water smoke vapour is entered in cylinder by air inlet, and water smoke vapour is Diameter is less than 10 microns of water particulate;Water smoke vapour has included oxygen, available for the burning of hydrogen and oxygen, and the manufacture of water smoke vapour Cost is relatively low.
The present invention has beneficial effect, and inventive engine produces hydrogen, water smoke vapour using water electrolysis, by hydrogen and water smoke Vapour is transported in cylinder respectively, after being compressed through piston, ignition igniting, is released energy, fuel and product of the present invention are almost It is pollution-free, the reliability of engine is improved, crankcase and piston are connected using one-way valve tube, the mill of mechanical part is reduced Damage, with extensive market value.
Brief description of the drawings
Fig. 1 is connection diagram of the present invention;
Fig. 2 is engine structure schematic diagram;
Fig. 3 is hydrogen generator schematic diagram;
Fig. 4 is hydrogen generator and fuel injector, air inlet connection diagram;
Fig. 5 is microprocessor and other parts connection diagram;
In figure:1- first pistons, 2- piston pins, 3- compression rings, 4- fuel injectors, 5- combustion chambers, 6- ignitions, 7- exhaust valves, 8- one-way valve tubes, 9- air inlets, 10- connecting rods, 11- big ends watt, 12- bolts, 13- crank throws, 14- bent axles, The cylinders of 15- first, 16- smalls end of connecting rod watt, 17- second pistons, the cylinders of 18- second, 19- crankcases, 20- current sensors, 21- Pulse width modulator, the cavitys of 22- first, 23- temperature sensors, 24- frequency sensors, the pipelines of 25- first, 26- second pipes, 27- generators, 28- hydrogen generators, 29- distribution centers, 30- hydrogen generator main bodys, 31- microprocessors, 32- voltage sensors Device, 33- engines, 34- control systems.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
As illustrated, the oxyhydrogen engine electric power generating system by fuel of water, including engine, generator, hydrogen occur Device, control system, distribution center, the hydrogen generator are connected with engine by pipeline, and the generator leads to engine Axle connection is crossed, generator is electrically connected with distribution center, hydrogen generator, hydrogen generator, engine, generator, distribution center It is to electrically connect with control system.
The engine includes the first cylinder, the second cylinder, and the first cylinder is located at one end of oxyhydrogen engine, the second gas Cylinder, which is located in the other end of oxyhydrogen engine, the first cylinder, is provided with first piston, is provided between first piston and the first cylinder Combustion chamber, the first cylinder is provided with fuel injector, ignition, exhaust valve, air inlet, one-way valve tube, and air inlet is located at Cylinder upper end, one-way valve tube are located at cylinder lower end, and ignition is located between fuel injector and exhaust valve, on first piston Provided with compression ring, compression ring is cirque structure, and first piston is provided with piston pin, and it is big that connecting rod includes small end of connecting rod watt, connecting rod Head watt, small end of connecting rod watt is connected by piston pin with piston, and big end watt is connected by bolt with crankcase, and bent axle is fixed on In crankcase, bent axle is provided with crank throw, ball bearing is provided between bent axle and crank throw, bent axle is provided with axial sensor, described Second cylinder is identical with the first air cylinder structure, and the second cylinder is symmetrical on bent axle with the first cylinder.
The hydrogen generator includes hydrogen generator main body, pulse width modulator, temperature sensor, current sensor, arteries and veins Wide modulator one end is electrically connected with hydrogen generator main body, the pulse width modulator other end and generating mechatronics, current sensor One end is electrically connected with pulse width modulator, and the current sensor other end is electrically connected with control system, and temperature sensor is sent out positioned at hydrogen It is provided with the side of raw device main body, hydrogen generator main body in the first cavity, the first cavity and is provided with water and potassium hydroxide, first is empty Chamber upper end is provided with the first pipeline, second pipe, and the first pipeline is Hydrogen Line, the other end and the fuel injector phase of the first pipeline Even, second pipe is water smoke steam pipe road, and the other end of second pipe is connected with air inlet.
The control system includes frequency sensor, microprocessor;The distribution center includes AC/DC convertor, voltage Sensor, ignition, fuel injector, axial sensor, temperature sensor, current sensor, voltage sensor, frequency Sensor is electrically connected with microprocessor.
Engine is originated for power electric generators, and generator is distribution center, control system, hydrogen generator provide energy Amount, the electric power that hydrogen generator reception carrys out self generator prepares hydrogen, while hydrogen is used as the fuel of internal combustion engine to produce power again.
Generator is manufactured using standard technology, can provide AC and DC electricity, and frequency is determined by the rotating speed of engine, electricity Power size passes through control system control.
Hydrogen generator prepares hydrogen using the electrolytic process of standard, and electric energy is added in water by pulse width modulator control Potassium hydroxide can increase dissolubility, and hydrogen generator prepares hydrogen and water smoke vapour, but based on hydrogen, the preparation amount of hydrogen By control system control, control system according to circumstances reduces or stopped hydrogen output.
Control system is the control assembly of this electricity generation system, and control system includes monitoring, displaying, control function, control system System is passed through the signal of setting by axial sensor, temperature sensor, current sensor, voltage sensor, frequency sensor Microprocessor monitors;Engine is provided with axial sensor, and axial sensor electrically connects with control system, and axial sensor is by data Control system is transferred to, control system control fuel injector, air inlet, the work of ignition send injection hydrogen gas and water Mist, the instruction of igniting;Control system also controls the preparation of hydrogen by current sensor, temperature sensor, pulse width modulator.
Lubricating oil is provided with the crankcase, one-way valve tube one end is connected with crankcase, the one-way valve tube other end and piston It is connected;One-way valve tube can be by the lubricating oil one-way transmission in crankcase into piston, between piston and cylinder inner wall Lubrication.
The connecting rod is straight reciprocating motion, and bent axle is rotary motion;Piston is fired by compression hydrogen and oxygen, is pushed away Piston is moved along a straight line, and linear motion is changed into rotary motion by connecting rod, and the rotation of bent axle is the power of engine Source.
Hydrogen is injected in cylinder by fuel injector;Water smoke vapour is entered in cylinder by air inlet, and water smoke vapour is Diameter is less than 10 microns of water particulate;Water smoke vapour has included oxygen, available for the burning of hydrogen and oxygen, and the manufacture of water smoke vapour Cost is relatively low.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not It is limited to specific embodiment, the scope of the present invention is defined by the following claims.

Claims (6)

1. the oxyhydrogen engine electric power generating system by fuel of water, it is characterised in that occur including engine, generator, hydrogen Device, control system, distribution center, the hydrogen generator are connected with engine by pipeline, and the generator leads to engine Axle connection is crossed, generator is electrically connected with distribution center, hydrogen generator, hydrogen generator, engine, generator, distribution center It is to electrically connect with control system.
2. a kind of oxyhydrogen engine electric power generating system using water as fuel as claimed in claim 1, it is characterised in that the hair Motivation includes the first cylinder, the second cylinder, and the first cylinder is located at one end of oxyhydrogen engine, and the second cylinder is sent out positioned at oxyhydrogen First piston is provided with the other end of motivation, the first cylinder, combustion chamber, the first cylinder are provided between first piston and the first cylinder Fuel injector, ignition, exhaust valve, air inlet, one-way valve tube are provided with, air inlet is located at cylinder upper end, check valve Pipe is located at cylinder lower end, and ignition is located between fuel injector and exhaust valve, and first piston is provided with compression ring, compression Ring is cirque structure, and first piston is provided with piston pin, and connecting rod includes small end of connecting rod watt, big end watt, small end of connecting rod watt It is connected by piston pin with piston, big end watt is connected by bolt with crankcase, bent axle is fixed in crankcase, on bent axle Provided with crank throw, ball bearing is provided between bent axle and crank throw, bent axle is provided with axial sensor, second cylinder and the first gas Cylinder structure is identical, and the second cylinder is symmetrical on bent axle with the first cylinder.
3. a kind of oxyhydrogen engine electric power generating system using water as fuel as claimed in claim 1, it is characterised in that the hydrogen Gas generator include hydrogen generator main body, pulse width modulator, temperature sensor, current sensor, pulse width modulator one end with Hydrogen generator main body is electrically connected, the pulse width modulator other end and generating mechatronics, current sensor one end and pulsewidth modulation Device is electrically connected, and the current sensor other end is electrically connected with control system, and temperature sensor is located at the side of hydrogen generator main body, It is provided with hydrogen generator main body in the first cavity, the first cavity and is provided with water and potassium hydroxide, the first cavity upper end is provided with first Pipeline, second pipe, the first pipeline are Hydrogen Line, and the other end of the first pipeline is connected with fuel injector, and second pipe is Water smoke steam pipe road, the other end of second pipe is connected with air inlet.
4. a kind of oxyhydrogen engine electric power generating system using water as fuel as claimed in claim 2 or claim 3, it is characterised in that institute Stating control system includes frequency sensor, microprocessor;The distribution center includes AC/DC convertor, voltage sensor, electricity Sub- igniter, fuel injector, axial sensor, temperature sensor, current sensor, voltage sensor, frequency sensor with Microprocessor is electrically connected.
5. a kind of oxyhydrogen engine electric power generating system using water as fuel as claimed in claim 2, it is characterised in that the song Lubricating oil is provided with axle box, one-way valve tube one end is connected with crankcase, and the one-way valve tube other end is connected with piston.
6. a kind of oxyhydrogen engine electric power generating system using water as fuel as claimed in claim 2, it is characterised in that the company Bar is straight reciprocating motion, and bent axle is rotary motion.
CN201710228384.6A 2017-04-10 2017-04-10 Oxyhydrogen engine electric power generating system by fuel of water Pending CN107191263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710228384.6A CN107191263A (en) 2017-04-10 2017-04-10 Oxyhydrogen engine electric power generating system by fuel of water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710228384.6A CN107191263A (en) 2017-04-10 2017-04-10 Oxyhydrogen engine electric power generating system by fuel of water

Publications (1)

Publication Number Publication Date
CN107191263A true CN107191263A (en) 2017-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710228384.6A Pending CN107191263A (en) 2017-04-10 2017-04-10 Oxyhydrogen engine electric power generating system by fuel of water

Country Status (1)

Country Link
CN (1) CN107191263A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150286A (en) * 2018-02-09 2018-06-12 宁波鄞州国康机械科技有限公司 A kind of hydrogen power generator
CN108333339A (en) * 2018-02-09 2018-07-27 刘伟 A kind of emergent biochemical investigation device
CN108343504A (en) * 2018-02-09 2018-07-31 宁波鄞州国康机械科技有限公司 A kind of New Hydrogen power generator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150286A (en) * 2018-02-09 2018-06-12 宁波鄞州国康机械科技有限公司 A kind of hydrogen power generator
CN108333339A (en) * 2018-02-09 2018-07-27 刘伟 A kind of emergent biochemical investigation device
CN108343504A (en) * 2018-02-09 2018-07-31 宁波鄞州国康机械科技有限公司 A kind of New Hydrogen power generator
CN108333339B (en) * 2018-02-09 2019-01-25 江山华隆能源开发有限公司 A kind of emergency biochemical investigation device
CN108150286B (en) * 2018-02-09 2019-02-19 广西蓝创新能源汽车设备有限公司 A kind of hydrogen power generator

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Application publication date: 20170922