327 results about "Fuel delivery" patented technology

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.

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.

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.

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.

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.

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.

A fuel delivery arrangement for a generator can include a throttle-mixing assembly including a mixer body defining a main port extending between an air inlet end and a mixed air-fuel outlet end and defining a fuel inlet port extending into the main port, a Venturi structure located within the main port and being configured to mix fuel received from the fuel inlet port with air received from the air inlet end and to deliver an air-fuel mixture to the air-fuel outlet, a fuel control valve assembly, mounted to the mixer body, including a first valve and a first actuator arranged to control a flow of the fuel passing through the fuel inlet port, and a throttle control valve assembly, mounted to the mixer body, including a second valve and a second actuator arranged to control a flow of the air-fuel mixture passing through the main port.

The invention relates to an aircraft linear refueling platform, and belongs to the technical field of aircraft refueling, the aircraft linear refueling platform comprises a ground well pit body, a refueling unit, a lifting body, a folding refueling arm, a movable connecting arm, a well lid body and a lifting mechanism, the refueling unit is arranged in the ground well pit body, and the refueling unit is connected with a pre-buried oil pipe below an airport apron; the refueling unit is used for filtering fuel oil, the lifting body is slidably arranged in a ground well pit body in the vertical direction, the folding refueling arm is arranged on the lifting body, and the folding refueling arm is used for being unfolded to an aircraft refueling port for refueling or folded on the lifting body for storage. One end of the movable connecting arm is connected with the refueling unit, the other end of the movable connecting arm is connected with the folding refueling arm, and the movable connecting arm is used for conveying fuel oil. The refueling platform has the advantages that when refueling is not conducted, the refueling platform does not occupy the space of the airport additionally, and the possibility that the refueling platform interferes with other equipment of the airport is reduced.

This invention relates to a gaseous fuel delivery arrangement for a vehicle. The fuel delivery arrangement comprises a compressor for compressing gaseous vehicle fuel and a control arrangement configured to operate the compressor. The compressor comprises a piston arrangement arranged for reciprocating movement along a piston axis, and at least one compression chamber in which gaseous fuel is compressed by movement of the piston arrangement along the piston axis, in use. The control arrangement is configured to operate the compressor so that the piston arrangement performs a partial stroke during compression, so that an unswept portion of the compression chamber, that is not swept by the piston arrangement, is larger than if the piston arrangement performs a full stroke during compression.

A pumping assembly for a fuel delivery vehicle having main and auxiliary inlets, an outlet, and one or more hose connections. A pump moves fluid through the assembly, and the fluid can pass through a filter separator to remove contaminants. A specific manifold in combination with multiple, two-way valves enable control of the fluid flow to produce multiple fluid pathways. At least ten different configurations are available depending on the need. The assembly is mounted in a frame that is mounted to a vehicle, such as a fuel truck. In some cases, sensors are employed to measure and monitor various parameters throughout the assembly.

A aircraft gas turbine engine and operation method, the engine including: a staged combustion system having pilot and main fuel injectors, and operates in a pilot-only range wherein fuel delivers to pilot fuel injectors, and a pilot-and-main operation range wherein fuel is delivered to at least the main fuel injectors. The engine further includes a fuel delivery regulator to pilot and main fuel injectors, which receives fuel from a first and second source containing fuels each with different characteristics. The staged combustion system switches between pilot-only and pilot-and-main range operation when in steady cruise mode, the mode defining a boundary between first and second engine cruise operation range. The fuel delivery regulator delivers fuel to pilot fuel injectors during at least part of the first engine cruise operation with different fuel characteristics from fuel delivered to one or both pilot and main fuel injectors the second engine cruise operation range.

The invention provides a high-Mach-number boron powder ramjet engine based on air fluidization. The high-Mach-number boron powder ramjet engine comprises a boron powder conveying module and a kerosene conveying module. The boron powder conveying module can convey boron powder to the combustion part; the kerosene conveying module can convey kerosene to the combustion part; and the combustion part is provided with a stable combustion support plate. The problems of boron powder conveying and ignition stable combustion of the high-Mach-number boron powder ramjet engine based on air fluidization are solved, and incoming flow air is directly used as driving gas and fluidizing gas to fluidize boron powder fuel; kerosene is combusted, and injected fluidized air generates a high-temperature low-speed oxygen-enriched area behind the stable combustion support plate, so that removal of an oxide layer on the surface of the boron powder fuel is accelerated, and the combustion effect of the boron powder fuel is improved. The problem that in the prior art, a boron powder fuel conveying system is too complex to be integrated with an engine system is solved, the defects that reliable ignition and stable combustion are difficult to achieve due to the poor ignition combustion characteristic of boron powder fuel are overcome, and high integration of the boron powder fuel conveying system and the engine and ignition stable combustion of the boron powder fuel are achieved.

The utility model discloses a black-start pump skid for a marine generator set, and relates to the technical field of auxiliary starting of generator sets. A pneumatic pipeline is arranged on one side of the top end of the base and comprises an electromagnetic valve, a pump unit is arranged at the top end of the base and comprises a pneumatic motor and a pump body, the electromagnetic valve is connected with the pneumatic motor, and a medium conveying pipeline is arranged on the side, away from the pneumatic pipeline, of the top end of the base. And the pneumatic motor is used for driving the pump body to convey a medium in the medium conveying pipeline. Air in the air bottle of the ship body is processed through the pneumatic pipeline and connected with the pneumatic motor, pressure energy of compressed air is converted into mechanical energy through the pneumatic motor, the mechanical energy is supplied to the pump body connected with the pneumatic motor, and the pump body obtains power to drive media in the medium conveying pipeline connected with the pump body. Therefore, the purpose of stably conveying power fuel oil to the generator is achieved.

According to an aspect of the present application, there is provided a radially deformable volume splitter (100; 200) for a fuel injection system (1) of a spark-ignition engine (2). The volume splitter (100; 200) can be tubular and elongate, extending along a longitudinal axis from a first end (102) to a second end (104). The volume splitter (100; 200) can comprise a deformable longitudinal slot (116) operable to deform the volume splitter (100; 200) radially from a first state for insertion into a cavity (18; 218) of the emulsion injection common rail (10) to a second state for use within the cavity (18; 218), and a set of slots (112a-112k) arranged on an outer surface (106) of the volume splitter (100; 200) to connect, in use, an inlet (20) of the cavity (18; 218) to one or more outlets (22a-22d) of the cavity (18; 218).

Fuel delivery vessels and vehicles are described. Some embodiments include nozzles for access by an operator. Some embodiments include optimized size and material characteristics. Some embodiments include various dispensing systems.

A fuel injector (10, fig.1) for delivering gaseous fuel to an internal combustion engine, the fuel injector (10) comprising a valve needle (30, fig.1) which is engageable with a valve needle seat (20,

The invention relates to the technical field of fuel conveying devices, and discloses a conveying device for thermal power plant fuel treatment and a method thereof.The conveying device comprises conveying equipment, partition plates and a storage bin, the storage bin is arranged outside the conveying equipment, the partition plates are evenly arranged in an inner cavity of the conveying equipment, and a servo motor is arranged at the top of the storage bin; the output end of the servo motor is connected with the stirring rod, the servo motor drives the stirring rod to rotate, the fuel in the storage bin can be stirred, the fuel is prevented from caking due to accumulation, the looseness of the fuel is guaranteed, and follow-up quantitative feeding is facilitated. According to the conveying device and method for fuel treatment of the thermal power plant, the collection box at the bottom of the hollow column facilitates collection and cleaning of filtered dust, stable rotation of the fan blade set can be guaranteed through the spherical bearing, the dust removal effect is further improved, and the whole device is more stable through the synergistic effect of all mechanisms; the stability, the high efficiency and the environmental protection property of fuel treatment and conveying are enhanced, and meanwhile, the use convenience is improved.

A diagnostic system for an engine system comprising a plurality of engine cylinders (30) and an air intake manifold (44) for receiving an intake of air during an intake phase of an engine cycle, the diagnostic system comprising; a plurality of fuel injectors (46), each for delivering fuel to an associated one of the engine cylinders (30) via the air intake manifold (44), wherein each of the plurality of fuel injectors (46) has an injector-open state when the fuel injector (46) is delivering fuel during the air intake phase of the associated engine cylinder (30) and an injector-closed state when the fuel injector (46) is not delivering fuel; and a sensor configured to measure the air pressure in the air intake manifold. The diagnostic system further comprises a controller (18) configured to determine an occurrence of a backfire event in the air intake manifold (44) on the basis of the measured air pressure; measure the number of backfire events in the air intake manifold which are associated with one of the fuel injectors (46); compare the number of backfire events with a predetermined count threshold, and, if the measured number of backfire events is greater than the predetermined count threshold, output a warning signal.

The invention relates to a power system and a vehicle. The power system comprises a fuel module, a power module and an emergency control module. The fuel module is provided with a storage box and a pumping device, power supply of the pumping device is cut off through the emergency control module to stop fuel conveying, and the internal combustion engine is shut down due to fuel exhaustion; the power module synchronously disconnects the power battery from the electric driving device by using a positive electrode switch and a negative electrode switch in a power supply loop so as to realize complete electrical isolation of a high-voltage system; according to the emergency control module, an emergency switch directly controls connection and disconnection of a control loop, then the power supply state of a storage battery to the pumping device, a positive electrode switch and a negative electrode switch is controlled, it is guaranteed that fuel cut-off and high-voltage power failure can be synchronously triggered under the emergency working conditions such as brake failure, and the effect of rapid energy-cut braking of the vehicle is achieved.

The present disclosure teaches a testing device for fuel injectors. The testing device provides a manual mode and an automatic mode of testing fuel injectors. Wherein, the manual mode is implemented using graduated cylinders, enabling a user to visually perceive the measurement. The graduated cylinders can also be used to calibrate the testing device. Wherein, the automatic mode is implemented using flow sensors, or flow meters. Two flow meters with different ranges of measurement are respectively used to measure the maximum fuel delivery rate and the minimum fuel delivery rate of the tested fuel injectors. The start time of energizing the fuel injectors may be marked as t1. The time when a flow meter detects a flow through the flow meter may be marked as t2. The time-offset, or latency time of the tested fuel injectors may be calculated as To=t2−t1.

The utility model discloses special-effect flaming equipment which comprises a fuel oil conveying unit, a nozzle, an ignition unit, a compressed air conveying unit and a jet orifice, the fuel oil conveying unit communicates with the nozzle so as to convey fuel oil to the nozzle, and the ignition unit is aligned with the nozzle so as to ignite the ejected fuel oil to form flames; the compressed air conveying unit is communicated with the injection orifice to convey compressed air to the injection orifice, the fuel oil conveying unit is communicated with the injection orifice to convey fuel oil to the injection orifice so that the fuel oil and the compressed air can be mixed and sprayed out at the injection orifice, and flames sprayed out of the nozzle ignite the mixture of the fuel oil and the compressed air sprayed out of the injection orifice. According to the special-effect fire spraying equipment, fuel oil and compressed air can be sprayed out together and ignited through flames formed by the nozzles, and the purpose of forming various effects through one equipment is achieved.

Disclosed are a gas furnace and an air conditioner having the same. The gas furnace includes: a burner for burning fuel; a manifold providing the fuel to an entry of the burner; a heat exchanger spaced apart from an exit of the burner and providing a passage for combustion gas generated by the burner; an inducer for causing a fluid to flow through the burner and the heat exchanger; a blower for causing a flow of air passing around the heat exchanger; and an air shutter positioned between the manifold and the entry of the burner. The air shutter includes: a housing having an inner space that communicates with the manifold and the entry of the burner; and a primary hole formed to penetrate the housing and able to be opened and closed.

This application discloses a control method, device, and storage medium for an oil transportation system, relating to the field of pipeline technology, for effectively controlling an oil transportation system and improving the stability of its operation. The method includes: an oil transportation system control method, characterized by: acquiring operating information of the pipeline and the pumps in the oil transportation system; determining the energy efficiency assessment result of the oil transportation system based on the pipeline and pump operating information; the energy efficiency assessment result including abnormal or normal energy efficiency; acquiring the operating efficiency of the oil transportation system when the energy efficiency assessment result indicates abnormal energy efficiency; and controlling the operating state of the pump units in the oil transportation system according to the operating efficiency of the oil transportation system.

The invention provides a gaseous fuel delivery system 10 for an internal combustion engine, comprising a source of pressurized gas 12, a gas delivery pipe 18, and a gas rail 14 coupled to at least one

A multiply redundant safety system that protects humans and assets while transfer(s) / fuelling of on road / off road, rail, marine, aircraft, spacecraft, rockets, and all other vehicles / vessels utilizing Compressed and or Liquefied Gas Fuels / compound(s). Utilizing Natural Gas Chemical Family of Hydrogen / Propane / ethane / ammonia / and any mixtures along with or with out oxidizer(s), such as Liquefied Oxygen, Oxygen Triplet (O3) / ozone / hydrogen peroxide / peroxide / solid oxidizer(s) one or more processors, utilizing Artificial Intelligence techniques / machine learning in combination with one or more sensors; in combination with one or more micro switches / actuator(s) combine to detect any leaks / fire(s) / or explosion hazards / vehicle motion / arc's, spark(s) / and other hazards for quickly mitigating / locking out / stopping fueling / gas / transfers / vehicle releasing system(s).

The invention relates to a safety control system and method for a fuel oil heater, belongs to the field of safety control of combustion equipment, and aims to solve the problems that flame detection in the prior art is weak in anti-interference capability, lacks a light detection component fault self-detection mechanism and cannot realize accurate linkage of ignition, combustion and oil supply. The system comprises a combustion chamber, an ignition assembly, a motor, a fan, an air pump, an oil tank, an air guide pipe, an oil nozzle, a photodiode and a control panel. Wherein the ignition assembly, the oil nozzle and the photodiode are arranged at the first end of the combustion chamber, and the motor synchronously drives the fan and the air pump; the flame detection circuit is combined with pulse signal judgment logic to automatically correct external light source interference; the control panel controls the ignition assembly and the motor to be started and stopped according to a preset time sequence, and fuel oil conveying is cut off when it is not detected that the flame normal combustion signal exceeds the set time length. The flame detection anti-interference capability is improved, and photodiode fault self-detection and accurate linkage of ignition, combustion and oil supply are realized.

The application discloses a kind of high security multifunctional fuel delivery device, it is related to fuel delivery field, solve the technical problem that existing fuel delivery device function is single, security guarantee measure is not in place.It includes valve group, the device enclosure is installed in the valve group outer side, gas delivery unit and controller are equipped in the valve group, air purge unit and gas inerting unit are also equipped in the valve group, the air purge unit is communicated with gas delivery unit, the gas inerting unit is communicated with gas unit, the valve group is installed in ventilation cover, a plurality of suction fans are installed in the ventilation cover and are communicated with its inside, pipeline is connected between the ventilation cover and device enclosure.The application also discloses a kind of control method of high security multifunctional fuel delivery device.In the application, independent gas inerting and air purge function ensure the safe use of fuel delivery device, upstream gas supply equipment and downstream engine.

A system for reducing emissions from an internal combustion engine includes a combustion chamber having an inlet and an outlet, a fuel delivery device for delivering fuel to the combustion chamber, and a control system for controlling a fuel to oxidizer ratio in the combustion chamber. A method of reducing emissions from an internal combustion engine includes the steps of: establishing a flow of oxygen-containing gas through a combustion chamber having an inlet and an outlet; introducing flow of fuel into the combustion chamber; igniting the fuel in the combustion chamber; operating an internal combustion engine to develop a stream of exhaust gas; introducing a flow of the exhaust gas into the combustion chamber; and controlling the flow of exhaust gas and the flow of fuel to minimize oxygen levels in exhaust gases downstream of the outlet.