503 results about "Hydrogen tank" patented technology

The present application relates to hydrogen production technology field, especially to a kind of methanol hydrogen production method, comprising the following steps: S10: methanol water is heated and vaporized to obtain methanol water vapor;S20: methanol reforming reaction obtains hydrogen mixture gas;S30: after cooling treatment to hydrogen mixture gas, through water washing tower absorption unreacted methanol water, then, adjust the relative humidity and temperature of hydrogen mixture gas;S40: hydrogen mixture gas is input into carbon dioxide absorption tower to remove carbon dioxide;S50: after removing carbon dioxide, product hydrogen is obtained and input hydrogen tank storage to supply user end.The above-mentioned methanol hydrogen production method, by methanol water vapor reforming hydrogen treatment, obtains hydrogen mixture gas.Again, hydrogen mixture gas is purified to obtain product hydrogen with very low carbon monoxide content, with raw material easy to transport, the hydrogen purity of output is high, equipment construction cost is low, and energy consumption is low and the like advantages, reach the purpose of expanding hydrogen application range.

Systems and methods for integrating hydrogen fueled power generation systems with a refuse collection vehicle include a refuse collection vehicle including a chassis; a refuse collecting body supported by the chassis; and a power generating assembly supported by the chassis. The power generating assembly includes at least one hydrogen tank; a fuel cell fluidly coupled to the at least one hydrogen tank; and at least one battery electrically connected to the fuel cell. Alternatively, the power generating assembly includes a hydrogen engine coupled to the at least one hydrogen tank; and a generator coupled to the hydrogen engine and the at least one battery.

A hydrogen aircraft includes: an airframe including a fuselage and a wing; at least one propulsion system fixed to the airframe; a pressurized chamber disposed inside the fuselage; a pressure bulkhead that is disposed at a rear part of the pressurized chamber and has strength to withstand pressurization of the pressurized chamber; a hydrogen tank that is disposed in an accommodation section and stores liquid hydrogen, the accommodation section being installed behind the pressure bulkhead, outside the pressurized chamber, and inside the fuselage; and a supply line that supplies the liquid hydrogen stored in the hydrogen tank to the propulsion system.

The invention discloses a hydrogen energy unmanned aerial vehicle nest outdoor inspection energy complementing platform, and mainly relates to unmanned aerial vehicle nest energy complementing. Comprising a nest body, a lifting platform is installed on the upper surface of the nest body, a closing plate is installed in the nest body, adjusting rods are installed on the two sides of the two ends of the nest body, a shell is installed at the ends, away from the nest body, of the adjusting rods, and a hydrogen tank is arranged in the nest body; an unmanned aerial vehicle body is placed on the upper surface of the lifting platform, supplementing structures are arranged on the two sides of the unmanned aerial vehicle body, each supplementing structure comprises two connecting pipes, and the two connecting pipes are both fixedly connected with the unmanned aerial vehicle body. The device has the beneficial effects that hydrogen energy can be automatically supplemented to the unmanned aerial vehicle conveniently and can be recycled, the device can be prevented from being used on a nest in different environments, and the energy supplementing efficiency of the unmanned aerial vehicle is greatly improved.

A hydrogen tank includes a tank body, a boss connected to at least one end of the tank body and having a skirt extending radially with respect to an axial direction of the tank body, and a nozzle installed inside the tank body via the boss and configured to spray hydrogen gas at a predetermined angle with respect to the axial direction of the tank body. The nozzle includes a connector coupled to the boss, an extension portion extending from the connector parallel to the axial direction of the tank body, an inclined portion connected to an end portion of the extension portion and inclined with respect to the axial direction of the tank body, and an injection member provided at an end portion of the inclined portion.

A work vehicle includes a chassis having frame rails, a cargo bed disposed along the chassis, an electric motor disposed on the chassis, one or more fuel cell enclosures disposed under the cargo bed, and a hydrogen tank disposed above the one or more fuel cell enclosures. The one or more fuel cell enclosures include a plurality of fuel cells configured to be inserted into the one or more fuel cell enclosures, and one or more leak-free valves configured to couple the plurality of fuel cells with the work vehicle.

To provide an electrically-driven type work machine such that a hydrogen gas hardly stagnates in a vehicle body even when a fuel battery is mounted.SOLUTION: An electrically-driven type work machine comprises: a fuel battery 21; an electric motor driven with electric power supplied from the fuel battery 21; a hydrogen tank 50 reserving hydrogen to be supplied to the fuel battery 21; and a hydrogen tank-side exterior cover 90A covering the fuel battery 21, electric motor, and hydrogen tank 50, wherein the fuel battery 21 and electric motor are partitioned off from the hydrogen tank 50 by a partition member 95, and the hydrogen tank-side exterior cover 90A is provided with an opening above the hydrogen tank 50.SELECTED DRAWING: Figure 5B

A hybrid plug-in battery, rooftop “magazine” type swappable hydrogen tank package, and outboard “magazine” type swappable battery bank Electric Vehicle comprises: 1) a plug-in full electric vehicle; 2) a rooftop “magazine” type swappable hydrogen tank package; 3) a outboard “magazine” type swappable battery bank; wherein the rooftop “magazine” type swappable hydrogen tank package is electrically connected to the battery bank of the plug-in full electric vehicle the second power source, and the outboard “magazine” type swappable battery bank is electrically connected to the battery bank of the plug-in full electric vehicle the third power source, so that the vehicle can be charged by using any existing charging stations through the plug-in full electric vehicle, get energy replenished by exchanging the hydrogen tanks through the rooftop “magazine” type swappable hydrogen tank package, and get energy replenished by exchanging the battery modules through the outboard “magazine” type swappable battery bank.

This invention provides a fuel cell system that can estimate the nitrogen concentration of gases emitted from the fuel cell at low cost. [Solution] The fuel cell system 1 comprises a fuel cell 2 that generates electricity through an electrochemical reaction between hydrogen gas and oxygen gas and discharges hydrogen off gas containing unreacted hydrogen gas together with nitrogen gas and moisture; a hydrogen supply channel 40 that supplies hydrogen gas from a hydrogen tank 41 to the fuel cell 2; a recirculation channel 50 that recirculates the hydrogen off gas back into the hydrogen supply channel 40; a gas-liquid separator 51 that separates moisture from the hydrogen off gas to obtain dehumidified hydrogen gas and stores the separated moisture; an exhaust valve 54 that exhausts the dehumidified hydrogen gas from the recirculation channel 50; a pressure sensor 52 that detects the pressure in the recirculation channel 50; and a control device 6 that controls the exhaust valve 54. The control device 6 estimates the concentration of nitrogen gas contained in the dehumidified hydrogen gas based on the value detected by the pressure sensor 52, and controls the exhaust valve 54 to an open state when the concentration of nitrogen gas exceeds a predetermined value.

The invention relates to the technical field of vehicles, and particularly discloses a hydrogen fuel cell vehicle braking energy recovery method and system and a vehicle. A10, the state of the vehicle is monitored in real time; a20, whether the vehicle is braked or not is judged, if yes, A30 is executed, and if not, A10 is returned; a30, the brake regeneration module is started and charges the power battery; and A40, according to the electric quantity of the power battery, the brake regeneration module is adjusted to supply power to the power battery or the hydrogen production module, and the hydrogen produced by the hydrogen production module is filled into the hydrogen tank. Whether a vehicle is in a braking state or not is judged by detecting the state of the vehicle, if the vehicle is in the braking state, a braking regeneration module is started to convert braking energy of the vehicle into electric energy, the electric energy is provided for a battery, meanwhile, the electric quantity condition of the vehicle is monitored, excessive electric energy is provided for a hydrogen production module while the power battery is prevented from being overcharged, and the hydrogen production efficiency is improved. And the hydrogen generator is used for enabling the generated electric energy to generate water electrolysis reaction so as to generate hydrogen for the fuel cell to react to generate electric energy.

A H2 defueling system for automating defueling of a hydrogen tank is disclosed. The H2 defueling system comprises: a hydrogen storage tank containing hydrogen; a plurality of electronic valves configured for regulating hydrogen discharge of hydrogen from the hydrogen tank; at least one pressure sensor and at least one temperature sensor; a hydraulic circuit interconnecting the hydrogen tank, the plurality of electronic valves, the at least one pressure sensor and the at least one temperature sensor; and a control unit configured to: receive input from the at least one pressure sensor and the at least one temperature sensor; automatically adjust the flow rate of gaseous hydrogen from the storage tanks based on the input from the sensors to maintain the gaseous hydrogen within pressure limits; modulate operations of the plurality of electronic valves to control hydrogen discharge to control the flow of hydrogen from the hydrogen tank.

A hydrogen supply system includes a detachable hydrogen tank, a hydrogen consumption apparatus that consumes hydrogen in the hydrogen tank, and a control device. The hydrogen consumption apparatus includes a detachment and attachment mechanism that detaches the hydrogen tank from the hydrogen consumption apparatus and attaches the hydrogen tank to the hydrogen consumption apparatus. The detachment and attachment mechanism includes a motor that controls detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus. When a torque value of the motor exceeds a threshold during the control of the detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus, the control device returns the hydrogen tank to a position where a moving process in which the threshold being exceeded is detected is started.

The invention discloses a method for controlling the choking state of an ejector in a hydrogen supply system of a hydrogen fuel cell, which comprises the following steps of: constructing an SIMULINK model containing a hydrogen tank, a pressure reducing valve, a proportional valve, the ejector, a hydrogen supply pipeline, an anode stack and a circulating pump, exciting the proportional valve by a PRBS signal, acquiring the output of a back pressure ratio (pion = Pb / P), acquiring a dynamic model of the ejector through system identification, and calculating the choking state of the ejector in the hydrogen supply system of the hydrogen fuel cell. A fuzzy PID algorithm is adopted to control the opening degree of the proportional valve; the method specifically comprises the steps that in a hydrogen supply system, a model is updated by replacing proportional valve parameters with PRBS signals; the pi deviation and the change rate of the pi deviation serve as input, the opening degree of a proportional valve is adjusted through fuzzification, rule reasoning and defuzzification, and the ejector is kept in a choked state; the method is suitable for choking state control of the fuel cell hydrogen supply system, through cooperation of dynamic modeling and a control algorithm, in the typical power range of the fuel cell, the system stability and the hydrogen recovery efficiency are remarkably improved through the control method, and an efficient solution is provided for variable working condition operation of the fuel cell.

The present invention relates to the technical field of natural gas hydrogen doping, and discloses a natural gas hydrogen doping-based hydrogenation apparatus, which comprises: a hydrogen tank for storing hydrogen, one end of a connection pipe of the hydrogen tank is provided with a pressure reducing valve through a flange, and one end of the pressure reducing valve far away from the connection pipe is provided with a conveying pipe through a flange; the turbulent flow mechanism is used for optimizing the flow characteristic in the hydrogen conveying process; the hydrogen accelerating mechanism is used for accelerating the hydrogen flow rate; the nitrogen mechanism is used for providing a nitrogen barrier for the conveying pipe; the pressure relief mechanism is used for automatically releasing nitrogen when the nitrogen mechanism is too high; the hydrogen accelerating mechanism comprises a fixing ring, and the fixing ring is fixedly connected to the end, away from the connecting pipe, of the interior of the conveying pipe. The flow characteristic of hydrogen is optimized through the turbulent flow mechanism, the flow speed is increased through the hydrogen acceleration mechanism, the nitrogen mechanism forms an isolation barrier, automatic pressure relief is achieved through the pressure relief mechanism, and the hydrogen mixing efficiency and the conveying safety are overall improved.

A work vehicle includes a vehicle body, a driver's seat, an electric motor, and a fuel cell module each installed on the vehicle body, a cabin around the driver's seat, a hydrogen pipe and a hydrogen tank through and from which hydrogen is supplied to the fuel cell module, and a tank case above the cabin and accommodating the hydrogen tank. The tank case includes a lower plate covering a lower surface of the hydrogen tank, side plates covering side surfaces of the hydrogen tank, and an upper plate covering an upper surface of the hydrogen tank, and includes a first vent that is open in the lower plate.

The present invention is a self-charging battery-powered electric vehicle (EV) that integrates a dual traction battery system and a hydrogen fuel cell to enhance driving range and efficiency. The EV features a first traction battery pack and a second traction battery pack, wherein a power controller automatically switches between battery packs and enables the hydrogen fuel cell to recharge the inactive pack while driving. A hydrogen fuel cell system, coupled with swappable (i.e., selectively removable) and fixed hydrogen tanks, generates electricity for battery charging and direct propulsion. Additionally, a hydrogen tank swapping station provides secure and automated hydrogen refueling. The system optimizes energy distribution based on driving patterns, terrain, and climate conditions.

A vehicle is equipped with a hydrogen tank that stores hydrogen, a fuel cell that generates electricity from the hydrogen in the hydrogen tank, a filling device 4 that fills a fuel cell vehicle with the hydrogen stored in the hydrogen tank, and a charger with which electricity generated by the fuel cell is charged to an electric vehicle. Using the vehicle, hydrogen and electricity are delivered to the home of a user.

The application discloses an electric flame stove capable of inhibiting ozone, which comprises a stove head, a stove box, and an ejector. The stove head comprises an upper casing, a plurality of negative fire spraying tubes arranged on the upper casing, a lower casing, a plurality of insulating cyclones arranged on the lower casing, and a positive needle arranged between the single insulating cyclones. The stove box comprises a panel and a base. The base is provided with a driving circuit, a voltage transformation circuit, and a rectifier circuit electrically connected with the positive needle. The ejector is arranged on the stove head. The ejector is connected with an electric valve and a hydrogen tank through a pipeline. The ejector is further provided with a plurality of spraying holes for spraying hydrogen. The ozone is effectively eliminated or inhibited by adding hydrogen to mix and burn with the ozone.

A hydrogen supply system including: a plurality of hydrogen tanks that is attachable and detachable; a hydrogen consumption device that consumes hydrogen of the hydrogen tanks; and a control device is provided. The hydrogen consumption device includes an attaching-detaching mechanism including a plurality of motors that controls attaching and detaching of the hydrogen tanks with respect to the hydrogen consumption device, the motors corresponding to the attaching and detaching of the respective hydrogen tanks. The control device disposes, based on a temperature of each of the motors, a hydrogen tank of the hydrogen tanks to a hydrogen supply start position at which the hydrogen tank and the hydrogen consumption device are connected in a state in which the hydrogen tank is allowed to supply hydrogen to the hydrogen consumption device, or disposes the hydrogen tank to a hydrogen supply standby position.

To suppress over-discharge and over-charge in a power system that would prevent energy supply and demand control by storage battery.SOLUTION: A renewable energy generator 2 is connected to a DC bus 5 via a first power converter DC / DC 1. A storage unit 3 is also connected to the DC bus 5 via a second power converter DC / DC 2. Furthermore, a hydrogen system is provided to charge and discharge the storage unit 3. The hydrogen system includes an electrolysis device EC that decomposes electricity into hydrogen, a hydrogen tank 4 that stores hydrogen, and a fuel cell FC that converts hydrogen back into electricity. The power compensator controlling the hydrogen system determines the charge / discharge amount of the hydrogen system for the next predetermined period so as to maintain the SOC of the storage battery near a target value at the start and end of the predetermined period.SELECTED DRAWING: Figure 8

The utility model provides a liquid hydrogen storage device which can reduce heat input from a port to the inside of a hydrogen tank so as to improve the heat insulation performance of the hydrogen tank. This liquid hydrogen storage device (100) is provided with: a hydrogen tank (10) that is mounted in a vehicle (200) and stores liquid hydrogen; and an evaporation line (40) connected to the hydrogen tank (10) and discharging hydrogen gas gasified in the hydrogen tank (10) to the outside of the vehicle (200), the liquid hydrogen storage device (100) being characterized in that the hydrogen tank (10) is provided with a pump port (20) protruding from the outer surface, and the evaporation line (40) is disposed so as to surround the pump port (20).

A management apparatus for managing an inventory amount of a hydrogen gas in a plurality of hydrogen tanks that store hydrogen gas, the management apparatus including a log data receiving circuit configured to receive log data including a plurality of parameter data measured by a plurality of instruments arranged each on hydrogen tank and identification information of each hydrogen tank, and an inventory amount calculation circuit configured to calculate an inventory amount of the hydrogen gas at an individual calculation timing that is individually set for each hydrogen tank based on the log data.

To provide a hydrogen supply system capable of avoiding continuation of pinching of foreign matter or the like.SOLUTION: A hydrogen supply system comprising: a detachable hydrogen tank; a hydrogen consuming device configured to consume hydrogen in the hydrogen tank; and a control device, wherein the hydrogen consuming device comprises a detachment mechanism configured to detach the hydrogen tank from the hydrogen consuming device, when a torque value of the motor exceeds a threshold value during attachment / detachment control of the hydrogen tank to / from the hydrogen consumption device, the control device returns the hydrogen tank to a position at which a moving stroke in which the torque value exceeds the threshold value is started.SELECTED DRAWING: Figure 1

This invention relates to the field of hydrogen swapping robot technology and discloses a mobile hydrogen swapping robot for heavy-duty hydrogen fuel cell trucks. The robot includes a mobile truss with mobile platforms fixed at both ends. First moving wheels are installed below the mobile platforms, and a slide rail is provided below the mobile truss. The first moving wheels are located on the slide rail. A U-shaped seat is provided on the mobile truss, and second moving wheels are installed on both sides of the U-shaped seat. Two strip-shaped grooves are formed on the mobile truss, and the second moving wheels are located within these grooves. During the lifting and replacement of the hydrogen tank module, a first blowing nozzle fixed on the mounting plate can blow the rain and snow adhering to the top of the hydrogen tank module to both sides in rainy or snowy weather. This reduces the risk of short circuits and damage caused by rain and snow contacting the internal electronic equipment of the replaced hydrogen tank module during the hydrogen filling process.

This hydrogen-powered electric vehicle comprises an electric drive unit for driving at least one drive wheel of the vehicle, at least one electrical energy storage battery, at least one fuel cell module, a hydrogen tank for the fuel cell, and a hydrogen circuit connected to the tank, including components through which hydrogen circulates. It includes a set of hollow guide conduits (12, 13), each having a first end (14) opening at a component of the hydrogen circuit and a second accessible end. Figure for the abbreviation: Fig 2

To manufacture a hydrogen tank more simply.SOLUTION: A ferrule comprises first ferrule components 31 and second ferrule components 32 connected to each other and disposed in a circumferential direction, where the first ferrule components have a protrusion 40 and a second ferrule components have a recess 41 and the protrusion is pressed into the recess while being deformed.SELECTED DRAWING: Figure 3

An excavator is an excavator having a rotating body provided rotatably to a traveling device, and includes a hydrogen tank storing hydrogen, a fuel cell consuming hydrogen of the hydrogen tank to generate electricity, and an electric pump device driven by the electricity generated by the fuel cell to discharge a working fluid. The hydrogen tank and the electric pump device are accommodated in an accommodation space in the rotating body, and the fuel cell is provided to the rotating body away from the accommodation space.

An integrated thermal management system for a fuel cell motor vehicle may include: a hydrogen tank configured to store hydrogen for supply to a fuel cell stack; a first turbine rotated by pressure from hydrogen discharged from the hydrogen tank; a refrigerant circulation line configured to circulate refrigerant along which a compressor, condenser, expansion valve, and evaporator are mounted; a second turbine mounted in the refrigerant circulation line and rotated by high-pressure refrigerant discharged from the compressor; and a blower configured to pressurize ambient air using the rotational force of the first turbine, the second turbine, or an electric motor, and to supply the pressurized ambient air to an indoor air conditioning unit or a fuel cell stack.

To provide a liquefaction hydrogen supply facility and a liquefaction hydrogen supply method which can quickly supply liquefaction hydrogen to a liquefaction hydrogen tank provided on a vehicle or the like.SOLUTION: A liquefaction hydrogen supply facility 1 includes: a storage tank 10 in which liquefaction hydrogen can be stored; a dispenser 31 connected to the storage tank 10; a common line 41 for connecting the storage tank 10 and the dispenser 31; and a filling line 42 having a coupler 52 connected to the dispenser 31 and capable of being connected to a liquefaction hydrogen supply target. The common line 42 includes: a first measuring instrument for measuring a flow rate, a density, and a temperature of a fluid circulating the common line 41; and a first vent line 46 provided on a downstream of the first measuring instrument. The dispenser 31 includes a second measuring instrument for measuring a flow rate and a density of a fluid circulating in the dispenser 31.SELECTED DRAWING: Figure 1

A hybrid vehicle comprises a passenger compartment, a center tunnel extending in the front-rear direction of the vehicle provided in the central part in the width direction beneath the floor of the passenger compartment, a hydrogen engine, a generator that generates power by receiving power from the hydrogen engine, a battery that stores the power generated by the generator, and a hydrogen tank that stores hydrogen combusted in the hydrogen engine. The battery is installed such that at least a portion of it is located inside the center tunnel.