601 results about "Fuel delivery" patented technology

An aircraft system is provided. The aircraft system includes: a gas turbine engine; a fuel system having a fuel tank and a fuel delivery system fluidly connecting the fuel tank to the gas turbine engine; an electric drive assembly including a component module; and a thermal management system including: a thermal fluid loop; a heat source heat exchanger in thermal communication with the component module and the thermal fluid loop; an airflow heat sink heat exchanger in thermal communication with the thermal fluid loop and further configured to be in thermal communication with a cooling airflow during operation of the gas turbine engine; and a fuel heat sink heat exchanger in selective thermal communication with the thermal fluid loop, the fuel tank, or both, the fuel heat sink heat exchanger in fluid communication with the fuel tank independently of the fuel delivery system during at least a first operating condition.

A gearbox assembly includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, and given byVGVG⁢B.VG is a gutter volume of the gutter and VGB is a gearbox volume. A gas turbine engine includes a combustion section and the gearbox assembly. A fuel delivery system includes a fuel supply line for delivering fuel to the combustion section. A lubrication system includes a lubricant supply line for delivering lubricant to the gearbox assembly. A thermal management system includes a fuel-lubricant heat exchanger for cooling the lubricant with the fuel. The thermal management system selectively directs the fuel through fuel bypass lines or the lubricant through lubricant bypass lines to bypass the fuel-lubricant heat exchanger based on a fuel temperature or a lubricant temperature.

A method is provided for operating a powerplant. During this method, a hydrocarbon fuel is delivered to a turbine engine for combustion within a combustion chamber of the turbine engine during initial startup operation of the turbine engine. Ammonia is at least partially cracked into hydrogen gas and nitrogen gas. A non-hydrocarbon fuel is delivered to the turbine engine for combustion within the combustion chamber of the turbine engine during post-startup operation of the turbine engine. The non-hydrocarbon fuel is or otherwise includes the hydrogen gas or a combination of the hydrogen gas and the nitrogen gas.

A fuel leak detection system for hydrogen fuel system including a monitored component. The fuel leak detection system including a sensor and controller communicatively coupled to the sensor. The sensor is positioned to monitor at least a portion of the monitored component. The sensor is configured (i) to sense a parameter corresponding to a hydrogen fuel leak of the monitored component and (ii) to generate an output. The controller is configured (i) to receive the output of the sensor, (ii) to determine, based on the output of the sensor, if a leak has occurred in the monitored component, and (iii) to generate an output indicating a fuel system leak when the controller determines that the leak has occurred in the monitored component. The monitored component may be a component of one of a fuel tank, a power generator, and a fuel delivery assembly.

A system includes a hydrogen fuel delivery system for an engine. The hydrogen fuel delivery system includes a pump configured to pump hydrogen from a tank storing the hydrogen in a liquid state through the hydrogen fuel delivery system, and an evaporator configured to convert at least some of the hydrogen in the liquid state to a gaseous state. The system also includes a heat source thermally coupled with the hydrogen fuel delivery system and fluidly uncoupled from the hydrogen fuel delivery system. The hydrogen fuel delivery system is configured to supply the hydrogen to the engine for combustion and cool the heat source using the hydrogen.

A system includes a hydrogen fuel delivery system for an engine. The hydrogen fuel delivery system includes a pump configured to pump hydrogen from a tank storing the hydrogen in a liquid state through the hydrogen fuel delivery system, and an evaporator configured to convert at least some of the hydrogen in the liquid state to a gaseous state. The system also includes a heat source thermally coupled with the hydrogen fuel delivery system and fluidly uncoupled from the hydrogen fuel delivery system. The hydrogen fuel delivery system is configured to supply the hydrogen to the engine for combustion and cool the heat source using the hydrogen.

A power system for a vehicle comprising: a gas-fuelled power plant, one or more fuel delivery devices 26 for delivering fuel to the power plant, a fuel tank 34 configured to provide gaseous fuel to th

The invention discloses a storage and supply system for enhancing flexible operation of a coal power unit by a pulverized coal bunker, particularly relates to the field of thermal power generation, and is used for solving the problem that fuel conveying and combustion are asynchronous during rapid load adjustment of the coal power unit. Coordination control is carried out with the unified fuel demand as the center, the lag effect of pulverized coal storage and release is accurately predicted and counteracted before pulverized coal enters a boiler, and the pulverized coal conveying rhythm is closely aligned with the actual coal use demand. In this way, the oxygen amount and temperature fluctuation in the boiler combustion process are greatly reduced, and the problems that due to the fact that fuel supply is fast and slow, combustion in the boiler is not stable, and pollutant emission is increased are solved; meanwhile, the whole control method can automatically learn and adjust, frequent human intervention is not needed, operation is simpler, more convenient and safer, the capacity of a power plant for rapidly adapting to power grid load changes is remarkably improved, and the flexible advantage of pulverized coal storage and supply is fully played.

Disclosed is n engine system 2 for a vehicle, the engine system comprising a fuel injector 26 for delivering fuel directly into an associated engine cylinder 12, the associated cylinder having a cylin

The invention discloses a metal product surface sealing device based on an underwater explosion cladding technology, and belongs to the technical field of metal surface treatment. A pressure-resistant cavity is formed in the sealing box body, a buffer supporting structure is arranged at the bottom of the sealing box body, and a fuel tank and a combustion-supporting gas input connector are arranged at the top of the sealing box body; the two oppositely-arranged fixing assemblies are arranged in the pressure-resistant cavity, and a base plate and a covering plate are arranged between the two fixing assemblies; the ignition assembly comprises a mounting shell, a pulse igniter, a safety interlocking module and a power management unit are integrally mounted in the mounting shell, and the gas circuit control system comprises a fuel conveying pipeline and a combustion-supporting gas input pipeline which communicate with a fuel tank. According to the device, efficient and safe operation of underwater explosion compounding is achieved through collaborative innovation of multiple assemblies, the adjustable fixing assembly guarantees the positioning precision of the base plate / covering plate, the intelligent ignition system avoids the ignition failure risk, gas path closed-loop control optimizes the explosion energy stability, and the service life of the device is prolonged through a buffer supporting structure.

The invention discloses a liquid fuel vaporizing and mixing multi-stage combustion system which comprises an air bellow and a fuel conveying pipe, a flow guide combined barrel is arranged in a lining barrel of the air bellow and is formed by combining an air combing flow guide barrel and a conical flow guide base up and down, and the conical flow guide base is formed by forming an included angle between an air guide annular inclined plate and a transverse bottom plate. A mixing chamber is formed between the flow guide combined cylinder and the lining cylinder, and the oil outlet end of the fuel conveying pipe is arranged in the mixing chamber; a plurality of air grooves are formed in the air combing guide cylinder, and a plurality of air guide grooves are formed in an air guide annular inclined plate of the conical guide seat; the top of the lining cylinder is connected with a combustion cylinder A in a sealed mode, the combustion cylinder A is sleeved with a porous ceramic silencing cylinder, fire distribution fins are installed on the top of the porous ceramic silencing cylinder, and a combustion cavity C is formed between the cylinder wall of the combustion cylinder A and the cylinder wall of the porous ceramic silencing cylinder. According to the invention, liquid fuel can be fully mixed, vaporized and gradually combusted, the fuel is fully combusted, and flame and heat are gathered and are subjected to fire distribution operation through the fire distribution fins.

The RDF fuel conveying and crushing all-in-one machine comprises a crushing box and a crushing roller which is arranged on the crushing box and used for crushing cloth and is of a hollow structure, a longitudinal cutting structure for driving the crushing roller to rotate and preventing cloth fibers from winding a shaft on the crushing roller is arranged on the crushing box, and the longitudinal cutting structure comprises a base plate fixedly connected to the crushing box; the base plate is provided with a spline shaft which is driven by a motor and freely rotates in the vertical direction, and the crushing box is provided with a shaft cutting assembly which allows the multiple sets of cutter bodies and the crushing roller to synchronously rotate and reciprocates along the diameter section of the crushing roller in an L-shaped track. Through the multiple sets of cutter bodies which rotate synchronously with the smashing roller and reciprocate in the horizontal direction, cloth fibers wound around the smashing roller can be cut in time, the shaft winding phenomenon is prevented, and therefore the continuity and stability of the cloth smashing process are guaranteed, the downtime is shortened, the maintenance cost is reduced, and the cloth smashing efficiency is improved.

Disclosed is an engine system for a vehicle, comprising a rail volume 28 for receiving gaseous fuel; a shut off valve 38 for controlling the supply of fuel to the rail volume ; an injector assembly in

The utility model relates to the technical field of hydrogen preparation devices, and specifically to an integrated methanol catalytic reforming reaction device, comprising a shell, wherein a reaction chamber is arranged on the upper part of the shell, a combustion chamber is arranged on the lower part, a circulation pipeline for circulating a heating medium is arranged between the reaction chamber and the combustion chamber; a heating tube array for providing heat to the heating medium is arranged in the combustion chamber, a fuel delivery module connected to a feed end of the heating tube array is arranged on the outside of the shell, the overall structure is compact, and no open flame heating is required during use, thereby improving production safety.

Disclosed is a power system for a vehicle comprising a gas-fuelled power plant, one or more fuel delivery devices 26 for delivering fuel to the power plant, a fuel tank 34 configured to provide fuel t

Disclosed in the present invention is an integrated reforming power generation test system having wide-range fuel adaptability, comprising a fuel supply subsystem, a catalytic reforming subsystem, a hydrogen purification subsystem, a power generation subsystem, and a test monitoring subsystem. A fuel pump and a fuel delivery pump are connected to a water-gas shift reactor by means of an evaporator and a reformer, the water-gas shift reactor is connected to a pressure swing adsorption device by means of a first gas-liquid separator, the pressure swing adsorption device is connected to a fuel cell stack by means of a hydrogen buffer tank, and a gas chromatograph is connected to the reformer by means of a third gas-liquid separator and to the water-gas shift reactor by means of a second gas-liquid separator. By using a variety of fuel resources to produce electricity, the present invention breaks through the limitation of the scope of traditional single-fuel reforming power generation systems, ensures the reliability of electricity supply, gets rid of the dependence on specific fuels, enhances regional energy safety, and improves the flexibility of energy supply.

A control system for a fuel cell electric vehicle (FCEV) includes a controller that is configured to control a fuel delivery system to release fuel via an injector with a selected fuel tank valve among a plurality of fuel tank valves controlled to be in an open state and with the other fuel tank valves controlled to be in a closed state. The control is further configured to cause a corrective action in response to a fuel characteristic indicating the selected fuel tank valve is stuck closed.

The invention relates to the technical field of aviation aircraft power systems, and discloses an aero-engine liquid hydrogen fuel conveying system and a control method thereof, which adopt multi-branch high-precision metering to realize wide-range high-precision flow regulation requirements, determine branch through-flow capability by a root order method, and realize high-precision flow regulation of the aero-engine liquid hydrogen fuel conveying system. The number of hydrogen supply branches, the available regulation ratio of the regulating valve and the total flow regulation ratio demand are matched, and the problem of high-precision fuel conveying in an extremely wide flow regulation range is solved. The circulating coupling heat exchanger is adopted to reasonably utilize waste heat of the system to raise the temperature of hydrogen fuel to the level suitable for combustion, reasonable optimization of heat / energy utilization of the system is achieved, fuel consumption is reduced, and circulating heat efficiency is improved. The hydrogen temporary storage tank is adopted to solve the problem that the supply flow of an upstream liquid hydrogen pump and a heat exchanger is not matched with the flow required by a downstream regulating valve due to hysteresis in the heat exchange process in the fuel flow regulation transient process.

This invention discloses a high-disturbance spray boom structure based on plasma-excited coupled aerodynamically assisted atomization, relating to the field of afterburner technology for aero-engines. It includes: a shell with an air inlet; a fuel pipe with a fuel delivery channel; the fuel pipe extending into the shell and forming an air channel with it; a first insulating platform with a collision atomization zone and an atomization development zone; the first insulating platform is connected to the output end of the fuel pipe, and its neck has several fuel-gas atomization channels; a second insulating platform with a plasma discharge region; the second insulating platform is snapped into the first insulating platform; a high-voltage electrode located between the first and second insulating platforms; and a grounding electrode located between the second insulating platform and the shell. This invention employs the coupling of plasma excitation with aerodynamically assisted atomization and cross-collision to perform three consecutive actions on the fuel spray, thereby improving the fuel atomization performance of the high-disturbance spray boom.

A power system for a vehicle comprising a gas-fuelled power plant 2; one or more fuel delivery devices, fuel injectors 26, for delivering fuel to the power plant; a fuel supply 34 configured to provid

The utility model discloses a lighter using a porous glass oil twist, which comprises a base and an upper cover, a fuel bin used for containing liquid fuel is arranged in the base, the oil twist is arranged in the fuel bin, a through hole corresponding to the oil twist is arranged at the upper end of the base, the upper end of the oil twist extends out of the upper portion of the base through the through hole, and the oil twist comprises a strip-shaped base body made of glass materials. A plurality of micron-sized hole channels are densely formed in the base body in the extending direction of the base body in a penetrating mode, and fuel in the fuel bin rises to the upper end of the oil twist through the hole channels; an ignition mechanism is arranged at the upper end of the base and located beside the upper end of the oil twist. Therefore, the oil twist made of quartz glass or high borosilicate glass is installed on the base to form the lighter, the oil twist is provided with a plurality of micron-sized pore channels and has high temperature resistance and good durability, and the pore channel pore diameter, porosity, outer diameter, length and the like of the oil twist can be designed according to actual application requirements so as to meet the requirement for conveying flow of various kinds of fuel. The application range is wide.

The invention discloses a fuel treatment system of a V-shaped methanol fuel engine for a ship. The fuel treatment system comprises a split-flow conveying module, a fuel supply module, a fuel injection module, a leakage collection module, a leakage alarm module, a nitrogen purging module and a forced exhaust module. The fuel supply modules are divided into a column A and a column B, the split-flow conveying module conveys fuel to the column A and the column B of the fuel supply modules, and the columns of the fuel supply modules are connected through pipelines; each fuel supply module is connected with the multiple fuel injection modules and used for supplying methanol fuel in the main pipeline to the fuel injection modules to complete fuel conveying; according to the fuel treatment system of the V-shaped methanol fuel engine for the ship, the functions of stable-pressure supply of the V-shaped methanol fuel engine, safety protection of key leakage parts, monitoring and treatment of gas-liquid two-state leaked fuel, fuel emptying in the processes of shutdown maintenance and the like are achieved, safe use of fuel in the whole use process of the engine is achieved, and personnel safety is guaranteed.

In one example, a gas turbine system, includes a pressurized fluid delivery system configured to deliver into a combustor system, which includes a pressurized fuel fluid, a pressurized oxidant fluid; and a pressurized diluent fluid comprising a diluent. The gas turbine system also includes an oxidant fluid discharge system configured to control a first flow of the pressurized oxidant fluid incoming from the pressurized fuel delivery system into the combustor system, and a pressurized diluent injection system configured to control a second flow of the pressurized diluent fluid incoming from the pressurized fuel delivery system into an upstream diluted fuel rich combustion stage included in the combustor system, and into a. downstream diluted oxidant combustion stage included in the combustor system, wherein the pressurized diluent fluid comprises a. superheated fluid. The gas turbine system additionally includes a control system.

An engine can utilize a combustor to combust fuel to drive the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. Increasing efficiency and meeting emission needs can be met with the use of alternative fuels, which combust at higher temperatures or higher speeds than traditional fuels, requiring improved fuel introduction without the occurrence of flame holding or flashback.

A hydrogen fuel system including a fuel delivery assembly, a purge gas source, and a vent. The fuel delivery assembly is configured to receive hydrogen fuel from a hydrogen fuel source and to provide the hydrogen fuel from the hydrogen fuel source to a power generator. The purge gas source is fluidly coupled to the fuel delivery assembly and configured to provide a purge gas to the fuel delivery assembly. The vent is fluidly coupled to the fuel delivery assembly and configured to vent hydrogen fuel from the fuel delivery assembly when the purge gas is provided to the fuel delivery assembly.

A turbine engine for an aircraft includes a fuel delivery assembly for a hydrocarbon fuel to flow therethrough, a combustor combusting the fuel to generate combustion gases, and a core air exhaust nozzle exhausting the combustion gases from the turbine engine. The turbine engine also includes a contrail mitigation system having a heater and a fuel precipitate separator. The heater is selectively operable to heat the hydrocarbon fuel and to generate fuel precipitates in the hydrocarbon fuel, and the fuel precipitate separator separates the fuel precipitates generated by the heater from the fuel. A controller is coupled to the heater to operate the heater to heat the hydrocarbon fuel and to generate fuel precipitates in the hydrocarbon fuel in response to a contrail mitigation input.

The invention discloses a boiler drum with a preheating device, and relates to the technical field of boiler equipment.The boiler drum mainly comprises an air supply device body, an air supply pipe, an incinerator, an air outlet pipe and the like, a main air supply pipe is arranged at the bottom of the air supply pipe, an air supply side pipe is arranged at the tail end of the right side of the air supply pipe, and the right side of the main air supply pipe is connected with a connecting pipe and a mixing pipe; by means of a multi-channel air supply structure, the fuel combustion efficiency is improved, fuel combustion is more sufficient, a smoke inlet pipe, a heat conduction pipe, a smoke removal box and the like are arranged above an air outlet pipe, heat conduction fins are arranged on the outer side of the heat conduction pipe, and inner fins are arranged in the heat conduction pipe. And the fuel conveying branch pipe and the connecting pipe can be independently detached and overhauled, equipment maintenance is facilitated, the use process is clear, and high practicability and innovativeness are achieved.

A supply assembly 1 for a gaseous-fuel engine (60,fig.5).The supply assembly comprises a fuel rail 12 for conveying a gaseous fuel to a plurality of injector units 13. Each injector unit comprising a fuel injector 20 that is at least indirectly connected to the fuel rail and is adapted to inject fuel into the engine. The supply assembly further comprises a lubricant-supply system 30 comprising at least one lubricant doser 31 with an outlet port (38,fig.2), the lubricant doser being adapted to controllably release a liquid lubricant through the outlet port into an injector unit and is mounted to the injector unit. The doser may be a volumetric doser comprising a pump chamber (35,fig.2) communicating with the outlet port and a pump plunger (34,fig.2) that is adapted to displace lubricant into the injector unit during a release process. The supply system may increase a fluid pressure at an inlet port 36 and decrease pressure at a control port (42,fig.2) to introduce lubricant from the inlet to the pump chamber, and decrease fluid pressure at the inlet and increase fluid pressure at the control port to eject lubricant from the chamber.

The invention provides a boiler combustion optimization method. The boiler combustion optimization method comprises the steps that operation parameters of all key nodes in the combustion process are collected; determining an energy input item, an energy output item and a heat storage energy change item based on the collected operation parameters, establishing a load prediction model, and predicting a load change trend at a future preset moment; a fuel quantity optimization model based on the load change rate is established, the fuel conveying process is optimized, and the ideal fuel quantity is generated; an air quantity optimization model based on the flue gas oxygen content is established, the combustion process is optimized, and the ideal air quantity is generated; establishing a coal-water ratio optimization model based on the steam temperature, optimizing a steam generation process, and generating an ideal coal-water ratio; and controlling a corresponding execution mechanism to act according to an optimization result to realize optimization control of the combustion process of the boiler. By constructing the load prediction model and the combustion parameter optimization model, the dynamic optimization of the fuel quantity, the air quantity and the coal-water ratio is realized, the response speed of the boiler to the load change is improved, and the combustion efficiency and the steam quality are improved.

The utility model belongs to the field of aircraft fuel systems, and relates to an anti-negative overload oil supply device which comprises an oil tank, an oil delivery pipe connector is arranged at the top of the oil tank, an oil supply pipe connector is arranged on the side face of the oil tank, an oil suction pipe is arranged in the oil tank, and an oil outlet of the oil suction pipe is communicated with the oil supply pipe connector. Due to the fact that the three partition plates are distributed on the periphery of the oil suction port in the oil tank, air can be effectively prevented from entering the oil suction port. Therefore, the negative overload resistant small box can still supply oil continuously under the negative overload condition, and the negative overload resistant oil supply capacity is high.