27 results about "Fuel management systems" patented technology

A gas turbine engine includes an engine core with a combustor; a turbine including turbine blades; a compressor as a source of cooling air for the turbine blades; and an inducer to accelerate and direct the cooling air onto the turbine blades, and a modulating valve to allow or block cooling air flow into a subset of airflow passageways of the inducer; and a fuel management system to provide fuel to the combustor. The fuel management system includes a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger through which oil and the fuel flow, to transfer heat between the oil and the fuel. A method of operating the engine includes using the modulating valve to adjust the cooling air flow based on turbine inlet temperature; and transferring 200-600 kJ / m3 of heat to the fuel from the oil in the primary fuel-oil heat exchanger at cruise conditions.

The present invention relates to a fuel management system 100 for an electrically powered aircraft. The system comprises a cryogenic fuel source 100; a refuel arrangement 120 and a conduit 111, 112, 1

The invention relates to the technical field of power equipment fuel tanks, in particular to an intelligent identification type flexible fuel tank and a control method thereof.The fuel tank body is provided with a plurality of partition plates, the partition plates divide the interior of the fuel tank body into cavities, the cavity corresponding to a filling port is an identification and oil storage cavity, and the other cavities are main oil storage cavities; a fuel output mechanism is arranged at the bottom of each cavity, the output end of the fuel output mechanism in the identification and oil storage cavity is connected with each main oil storage cavity through an oil inlet pipeline, an oil inlet electromagnetic valve is arranged at the position, corresponding to each main oil storage cavity, of the oil inlet pipeline, and the output end of the fuel output mechanism in each main oil storage cavity is connected with the input end of a fuel supply pipeline; and the data acquisition module is matched with the MCU to identify the type of fuel injected into the oil storage cavity in real time and open the oil inlet electromagnetic valve corresponding to the main oil storage cavity, so that the fuel is input into the corresponding main oil storage cavity. According to the flexible fuel oil tank, a set of full-automatic fuel management system is constructed, so that the flexible and safe multi-fuel oil tank is provided.

A fuel management system for a gas turbine engine. The fuel management system comprises a fuel supply line configured to supply fuel from an inlet to a combustor of the gas turbine engine. The fuel management system also includes a recirculation line extending from a recirculation point on the fuel supply line and configured to recirculate excess fuel from the fuel supply line for resupply to the fuel supply line. In addition, the fuel management system comprises a heat exchanger configured to reject heat from a thermal load of the gas turbine engine to fuel in the fuel management system. The heat exchanger is disposed on the fuel supply line upstream of the recirculation point or on the recirculation line. The fuel management system further comprises a fuel cooling device disposed along the recirculation line and configured to reject heat from the excess fuel therein.

The invention discloses a coal as fired sampling system and method, and the system comprises a receiving module which is used for receiving a preset sampling scheme of a plant-side fuel management system, and converting the preset sampling scheme into standard sampling data of a plurality of sampling processes; the sampling module is used for generating a sampling control instruction according to the standard sampling data, acquiring and analyzing the first data, the second data and the third data in real time, and generating a sampling evaluation value according to an analysis result; the first regulation and control module is used for determining a first regulation and control strategy according to the sampling evaluation value, obtaining regulated and controlled first data, second data and third data and constructing an abnormal data set; and the second regulation and control module is used for optimizing the first regulation and control strategy according to the abnormal data set to obtain a second regulation and control strategy, discovering defects of a sampling scheme in time and performing continuous optimization to obtain a reasonable regulation and control strategy, improving sampling efficiency, sampling precision and sampling quality, and providing a basis for subsequent energy utilization and economic operation of the boiler.

The application is a divisional application, and the application number of the original application is 202210351394. X. The invention relates to the field of automobile fuel oil management systems, in particular to a floater structure assembly and a fuel oil liquid level valve of a separated floater structure. Comprising an upper floater which is provided with a first-stage opening vent hole right opposite to a second-stage opening vent hole; a lower floater; the two ends of the first-stage opening sealing gasket are connected with the upper end of the lower floater and the lower end of the upper floater respectively, and the first-stage opening vent hole is located between the two ends of the first-stage opening sealing gasket; along with the change of the liquid level of oil in the oil tank, the floater structure assembly can be switched between the following states: a closed state: the lower floater floats upwards, so that the first-stage opening sealing gasket closes the first-stage opening vent hole, and the upper floater closes the second-stage opening vent hole; in the first-stage pressure relief state, the lower floater falls until the first-stage opening vent hole is opened; in the second-stage pressure relief state, the upper floater falls down along with the lower floater, and the second-stage opening vent hole is completely opened.

A fuel management device includes a residual amount information acquisition part configured to acquire residual amount information indicating a residual amount of hydrogen fuel of each of a plurality of vehicles that are previously registered, a vehicle identification part configured to identify a refueling target vehicle in which a residual amount of hydrogen fuel is a threshold or less on the basis of the residual amount information of each vehicle, an estimation part configured to estimate a supply amount of hydrogen fuel in supply facility of hydrogen fuel on the basis of a refueling amount of hydrogen fuel to be refueled to each of the refueling target vehicles, and an output controller configured to output information to an output part based on the estimation result of the estimation part.

The utility model relates to the field of automobile engineering technology discloses a vertical baffle fuel tank, including fuel tank, support subassembly is set up in fuel tank inner wall, including protection part, protection part includes pivot, pivot top is provided with step motor, step motor sets up in fuel tank top, pivot surface is provided with four fairing.

A method of operating a gas turbine engine is disclosed, the gas turbine engine comprising a combustor arranged to combust a fuel; and a fuel management system arranged to provide the fuel to the combustor. The fuel management system comprises two fuel-oil heat exchangers through which oil and the fuel flow, the heat exchangers arranged to transfer heat to the fuel and comprising a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger; and a fuel pump arranged to deliver the fuel to the combustor, wherein the fuel pump is located between the two heat exchangers. The method comprises controlling the fuel management system so as to transfer between 200 and 600 kJ / m3 of heat to the fuel from the oil in the primary fuel-oil heat exchanger at cruise conditions.

A gas turbine engine includes an engine core with a combustor; a turbine including turbine blades; a compressor as a source of cooling air for the turbine blades; and an inducer to accelerate and direct the cooling air onto the turbine blades, and a modulating valve to allow or block cooling air flow into a subset of airflow passageways of the inducer; and a fuel management system to provide fuel to the combustor. The fuel management system includes a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger through which oil and the fuel flow, to transfer heat between the oil and the fuel. A method of operating the engine includes using the modulating valve to adjust the cooling air flow based on turbine inlet temperature; and transferring 200-600 kJ / m3 of heat to the fuel from the oil in the primary fuel-oil heat exchanger at cruise conditions.

A method of operating a gas turbine engine is disclosed, the gas turbine engine comprising a combustor arranged to combust a fuel; and a fuel management system arranged to provide the fuel to the combustor. The fuel management system comprises two fuel-oil heat exchangers through which oil and the fuel flow, the heat exchangers arranged to transfer heat to the fuel and comprising a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger; and a fuel pump arranged to deliver the fuel to the combustor, wherein the fuel pump is located between the two heat exchangers. The method comprises controlling the fuel management system so as to transfer between 200 and 600 kJ / m3 of heat to the fuel from the oil in the primary fuel-oil heat exchanger at cruise conditions.

The invention relates to an LNG fuel management system for a box ship applied to the technical field of LNG fuel systems, the LNG fuel management system comprises an LNG storage tank, a BOG storage tank, a diverter valve, a first branch pipe, a flow valve, a mixing tank and a booster pump, BOG evaporated out of the LNG storage tank is stored in a centralized mode through the BOG storage tank, the internal pressure of the LNG storage tank is effectively reduced, and when the internal pressure of the LNG storage tank is reduced, the LNG fuel management system can effectively reduce the internal pressure of the LNG storage tank. BOG in the BOG storage tank and part of vaporized LNG vaporized by the vaporizer are fed into the mixing tank for heat exchange and mixing, the vaporized LNG is cooled by utilizing the low-temperature BOG, the temperature of the obtained mixed gas is lower than that of the vaporized LNG, the follow-up low-temperature mixed gas is fed into the LNG storage tank to pressurize the LNG storage tank, and the intensity of heat exchange with the BOG in the LNG storage tank is effectively reduced; the low-temperature capacity of BOG is fully utilized, the recycling rate of BOG is effectively increased, the internal pressure of the LNG storage tank is increased, the discharging flow speed of LNG is effectively increased, and the fuel requirement of an engine is met.

The invention relates to the technical field of thermal power generation fuel management and control, in particular to a thermal power plant fuel intelligent comprehensive management and control system based on the Internet of Things. The data fusion gateway module performs timestamp alignment and space coordinate registration on the multi-source heterogeneous data to generate a fusion data field with a unified space-time reference; the three-dimensional reconstruction and modeling module calls a dynamic reconstruction engine, constructs a voxelization three-dimensional model in combination with the surface morphology of the material pile and internal temperature measurement data, and updates the voxelization three-dimensional model in real time; the quality evaluation module calculates a fuel quality grade map based on the model; and the blending decision-making module is used for matching the quality map with the load demand to formulate a material taking and blending scheme. According to the system, full-period accurate sensing, dynamic modeling and intelligent decision making of the fuel state are achieved, and the management and control efficiency is improved.

The invention provides a power plant operation accounting method and system based on multi-source data real-time integration, and the method comprises the steps: collecting the multi-source heterogeneous data of a power plant SIS system, a fuel management system and a financial system in real time through an edge computing gateway and a data collection service program, carrying out the format standardization and abnormal value filtering, and carrying out the calculation of the multi-source heterogeneous data. Storing parameters corresponding to the obtained multi-source heterogeneous data into a database; on-grid electric quantity, industrial steam conversion electric quantity, unit heat supply conversion electric quantity, fuel cost, change cost and fixed cost are calculated in real time on the basis of dynamic correlation parameters of a flow calculation engine, a preset daily profit accounting model is input, a power plant operation accounting report is obtained, synchronous updating of cost accounting and production operation is achieved, and efficiency is improved. And parameters such as steam enthalpy difference and pipe network heat loss are dynamically associated through a flow-type calculation engine, so that the calculation error of converted electric quantity is reduced, and the real-time performance and accuracy of operation accounting are improved.

The present invention relates to a fuel management system for an electrically powered aircraft, the system comprising: a cryogenic fuel source; a refuel arrangement; a conduit providing fluid communication between the cryogenic fuel source and the refuel arrangement; a controller arrangement arranged to detect a stage of flight, wherein the stage of flight is at least one of: cruise; descent; landing; taxi; and, stationary, wherein the controller arrangement is arranged to provide a signal to the cryogenic fuel source to provide a cryogenic fuel into the conduit upon detection of a stage of flight having changed to a predetermined stage of flight.

The present invention relates to a fuel management system, a fuel management method, and a fuel management program. SOLUTION: The fuel management system 1 includes a storage unit, an acquisition unit, and an identification unit. The memory unit stores identification information that associates the construction site with the prime contractor. The acquisition unit acquires, from the fuel supplier, fuel information for each type of fuel ordered and / or delivered in association with the identification information. The identification unit identifies the fuel consumption of each construction site of the prime contractor based on the identification information and fuel information stored in the memory unit.

A method (10000) of operating a gas turbine engine (10) is disclosed, the gas turbine engine (10) comprising an engine core (11) comprising a combustor (16) arranged to burn a fuel; a turbine (19), th

The invention discloses a fuel management system and method of a nuclear power plant and electronic equipment, and relates to the field of nuclear power, the fuel management system comprises a related component module and a fuel component module, the related component module comprises a first basic data module, a component configuration module and a result statistics module, and the first basic data module is used for maintaining basic data of related components; the related components comprise a control rod component; the component configuration module is used for configuring at least one management strategy of the control rod component according to the basic data of the related component so as to reduce single wear of the control rod component; the result statistics module is used for analyzing the basic data of the related components and the management strategy configured by the component configuration module, and formulating a management plan of the related components; the fuel assembly module is used for determining a management plan of the fuel assembly according to the operation data of the fuel assembly. According to the invention, automatic data management of related components and fuel components is realized, a related management plan can be automatically made, and the fuel management efficiency of the nuclear power plant is effectively improved.

The application discloses a power plant coal-fired big data analysis method based on an adaptive support vector machine, which comprises the following steps: using a pre-determined coal quality data analysis model to perform real-time analysis on a coal type to be analyzed, and obtaining a coal quality analysis result; wherein the coal quality data analysis model comprises a plurality of optimal support vector machines for analyzing coal quality data of different coal types; according to coal quality historical data, using a genetic algorithm to train and optimize the support vector machines, obtaining the optimal support vector machines, using the obtained optimal support vector machines to perform real-time analysis on a new coal type, according to the deviation between the real-time analysis value of the new coal type and experimental analysis data, determining whether the optimal support vector machines need to be self-updated, and according to the number of sample sets, determining whether a new optimal support vector machine is obtained by training and optimization. The application can perform real-time analysis on various coal types to obtain coal quality data, and can improve the data analysis function and information intelligent level of a fuel management system.

The invention discloses a thermal power enterprise fuel supplier evaluation report generation method and a related device, and belongs to the technical field of energy enterprise services. The method comprises the following steps: constructing a fuel supplier evaluation system according to data in a plant-side fuel management system, a plan contract management system and a fuel transaction system; establishing a multi-dimensional evaluation model based on a fuel supplier evaluation system; sequentially carrying out step-by-step evaluation on the suppliers by the subsidiary companies and the superior units through the multi-dimensional evaluation model to obtain evaluation results; and generating an evaluation report according to the evaluation result. According to the method, a diversified and dynamic supplier evaluation mode of suppliers is realized through basic-level power plant self-evaluation and regional company integration analysis, the reliability of evaluation results is improved through a centralized big data processing mode, and the evaluation results are easier to understand and analyze through a visual and visual display mode.

An integrated fuel management system can include a switching unit coupled to an electric vehicle (EV) charging station, a computer system, a first electronic unit, and a second electronic unit. The first electronic unit can be coupled to the switching unit and operable for providing state information for the EV charging station to the computer system. The second electronic unit can be coupled to a fueling station for types of vehicles that use fuel and operable for providing state information for the fueling station to the computer system. Further, the computer system can be operable for displaying the state information for the EV charging station and for displaying the state information for the fueling station.

A coal batch management method and apparatus based on point cloud data, and a device. The method comprises: using a laser coal pile scanner to scan a coal yard, so as to acquire coal pile surface information data, and converting the coal pile surface information data into three-dimensional spatial coordinate data; separating various coal qualities in the coal yard, and presenting coal pile structures by means of three-dimensional structures; acquiring coal piling / taking dispatch task information of a fuel management system and a generation management system within the same time period, batch information of coal piled and taken by trains and cars in the coal yard, and coal quality composition information, and determining an assigned coal zone in a dispatch task; comparing the assigned coal zone in the dispatch task with coal zones in the coal pile structures, and if coal zone information is identical, determining that the coal zone in a corresponding coal pile structure conforms to the coal quality in the dispatch task, so as to complete the matching and binding of coal quality information; and on the basis of the matching and binding result, displaying, in real time, three-dimensional models for different batches of coal piled and taken in the coal yard. Thus, coal is managed more accurately, and effective guidance is also provided for coal blending.

A gas turbine engine includes an engine core with a combustor; a turbine including turbine blades; a compressor as a source of cooling air for the turbine blades; and an inducer to accelerate and direct the cooling air onto the turbine blades, and a modulating valve to allow or block cooling air flow into a subset of airflow passageways of the inducer; and a fuel management system to provide fuel to the combustor. The fuel management system includes a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger through which oil and the fuel flow, to transfer heat between the oil and the fuel. A method of operating the engine includes using the modulating valve to adjust the cooling air flow based on turbine inlet temperature; and transferring 200-600 kJ / m3 of heat to the fuel from the oil in the primary fuel-oil heat exchanger at cruise conditions.

A method of operating a gas turbine engine is disclosed, the gas turbine engine including a combustor arranged to combust a fuel and a fuel management system arranged to provide the fuel to the combustor. The fuel management system includes two fuel-oil heat exchangers through which oil and the fuel flow, the heat exchangers arranged to transfer heat to the fuel and comprising a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger; and a fuel pump arranged to deliver the fuel to the combustor, wherein the fuel pump is located between the two heat exchangers. The method includes controlling the fuel management system so as to raise the fuel temperature to at least 135° C. on entry to the combustor at cruise conditions.

The present invention relates to a fuel management system (200) for a vehicle and a method (500) for the fuel management. The fuel management system (200) comprises a control unit (204) configured to receive one or more fuel parameters (202) of a fuel (F) stored in at least one storage unit (203) of the vehicle (100). The control unit (204) compares the one or more fuel parameters (202) with one or more predefined parameters (206) and is configured to generate a plurality of outputs (205) including one or more navigation routes of a vehicle (100) toward at least one predefined destination. The at least one predefined destination is selected based on a distance of the vehicle (100) from the at least one predefined destination and filling pressure (P1) of the fuel (F) at the at least one predefined destination.

An alternative fuel management system may include a base configured for arrangement on a supporting floor or other framework of a vessel and configured to support alternative fuel supply equipment. The system may also include a sealed enclosure sealingly coupled to the base and configured to surround the alternative fuel supply equipment. The system may also include the alternative fuel supply equipment and it may be arranged within the sealed enclosure. The alternative fuel supply equipment may include a high-pressure pump, a fuel filter, a transfer pump, and a high-pressure fuel delivery line extending across the sealed enclosure and configured to provide alternative fuel from the high-pressure pump to a combustion engine. The alternative fuel management system may also include a purge fluid system configured to deliver purge fluid to the combustion engine from a source of purge fluid.

A method 1300 of operating a gas turbine engine 10 is disclosed, the gas turbine engine 10 comprising a combustor 16 arranged to combust a fuel; and a fuel management system arranged to provide the fu