2961results about "Engine controllers" patented technology

A method for fueling an aircraft comprises (a) predicting a sequence of fuel-burn quantities over a planned flight based on at least one sequence of multivariate flight data recorded during a prior flight and on a hidden state of a trained machine. For each of a pre-selected series of prior flights, a corresponding sequence of multivariate flight data recorded during the prior flight is processed in a trainable machine to develop the hidden state, which minimizes an overall residual for replicating the fuel-burn quantities in each corresponding sequence. The method further comprises (b) summing the fuel-burn quantities over the planned flight to obtain a fueling estimate; and (c) fueling the aircraft based in part on the fueling estimate.

A fuel injector in a fuel system having a first fuel supply of a first fuel and a second fuel supply of a second fuel includes a multifunctional control valve movable in the fuel injector to control admission of the first fuel to a combined-fuel outlet passage, and to control a timing and an injection pressure of a fuel charge containing the first fuel. In an embodiment the first fuel includes a compression-ignition fuel such as diesel and the second fuel includes an alcohol fuel such as methanol. Related apparatus and methodology is disclosed.

In some examples, a vehicle is provided. The vehicle includes a frame, one or more seats enclosed by the frame, a plurality of wheels operably coupled to the frame, and a controller. The controller includes a processor and memory storing instructions that, when executed by the processor, cause the controller to perform a set of operations. The set of operations includes: receiving an indication of a location of the vehicle, determining that the location of the vehicle corresponds to being within a geofence, and in response to the determination, enabling at least one of a low-speed vehicle (LSV) mode or a low sound pressure level (SPL) mode to restrict operation of the vehicle accordingly.

A fuel injector is capable of injecting a plurality of different fuels in a single fuel injection event, the fuel injector including: a nozzle at an end of the fuel injector, the nozzle having a tip, openings in the tip of the nozzle through which fuel is configured to be injected, and a check valve member with a tip located within the nozzle, the check valve member being movable between an injection position in which fuel is injected via the openings and a closed position in which the openings are closed. The fuel injector further includes a primary fuel path within the fuel injector, a pilot fuel path within the fuel injector, and a mixing volume connecting the primary fuel path and the pilot fuel path when the check valve member is in the closed position.

An internal combustion engine system includes: an internal combustion engine; at least one fuel tank that stores a fuel gas in a compressed state; a fuel gas pipe that connects the fuel tank to the internal combustion engine; and a pressurizing pump that is connected to the fuel gas pipe and pressurizes the fuel gas in the fuel tank or in the fuel gas pipe.

The invention provides an automobile power system using hydrazine and compatible with various liquid fuels. The system comprises a fuel storage subsystem, an oil tank self-repairing subsystem, a fuel conveying subsystem, an oil injection heating subsystem, a fuel combustion subsystem, a piston kinetic energy conversion subsystem, a mechanical-electric energy conversion subsystem, an inversion conversion subsystem, a super capacitor subsystem, a multi-pole variable motor subsystem, an in-vehicle air conditioner subsystem and a foaming tire subsystem. The control subsystem, the mechanical lubrication subsystem, the braking energy recovery subsystem, the waste gas treatment subsystem, the waste heat recovery subsystem, the safety protection subsystem and the parking subsystem are used for forming a complete oil-electricity hybrid automobile system; the efficient, safe, comfortable, environment-friendly and intelligent automobile power system is innovatively constructed, so that the requirements of various vehicle power systems are met.

An exhaust valve includes a pipe body connecting an upstream pipe and a downstream pipe for exhaust, a valve plate disposed inside the pipe body in a state of being attached to a rotary shaft that rotates by drive of an actuator, the valve plate configured to rotate to open / close an exhaust flow path inside the pipe body, and a stopper fixed inside the pipe body and configured to come into contact with the valve plate in a closed state. In the stopper, at least one of an upstream contact surface at which the valve plate makes contact and a downstream contact surface at which the valve plate makes contact runs along an inner peripheral surface of the pipe body at a position closer to an upstream side or a downstream side of the exhaust than an outer periphery of the rotary shaft.

The invention relates to a vehicle heat management method and device, a vehicle and a computer storage medium, and belongs to the technical field of vehicle heat management.The vehicle heat management method comprises the steps that historical working condition data of the vehicle in a first time period before the current moment is obtained through a sliding window method; a plurality of working condition prediction models are adopted to predict the working condition of the vehicle in a second time period after the current moment based on the historical working condition data, a plurality of candidate working conditions are obtained, and the predicted working condition of the vehicle in the second time period is determined by combining the weight of each working condition prediction model; and when the predicted working condition meets a preset thermal management condition, the working state of an engine cooling system of the vehicle is adjusted, so that the temperature of an engine of the vehicle within the second time period is within a preset temperature range. Predictive heat management of the engine can be achieved, timeliness of heat management of the engine is improved, and energy is saved.

The invention belongs to the technical field of diesel generating sets, and particularly relates to a low-noise diesel generating set. Comprising a base; the soundproof box is arranged on the base, a fan, a diesel engine and a generator are arranged on the base, the diesel engine is provided with and communicates with an intake manifold and an exhaust pipe, an input shaft of the generator is fixedly connected with a first connecting seat, and the first connecting seat is slidably connected with sliding shells which are evenly distributed; a first spring is arranged between the sliding shell and the first connecting base, an output shaft of the diesel engine is fixedly connected with a second connecting base, the second connecting base is connected with a sliding ring in a sliding mode, and the sliding ring is fixedly connected with evenly-distributed sliding columns. When the rotating speed of the diesel engine exceeds the rated value, connection between the diesel engine and the generator is automatically disconnected, the generator is prevented from being affected by excess power, and therefore the generator is protected against damage, and stable operation of an electrical system is guaranteed.

The invention discloses an alcohol hydrogen engine system and a control method. The engine system comprises an engine, a methanol box, a methanol pump, a methanol heater, an NH3 reforming hydrogen production device, a hydrogen-rich gas storage tank, a urea box, a urea pump and an SCR aftertreatment system. The engine nozzle is a coaxial double-channel hydrogen and methanol nozzle, injection of two kinds of fuel can be achieved through one nozzle, and flexible control over different proportions of hydrogen and methanol can be achieved in the same combustion cycle. According to the method, the mode that the NH3 urea water solution is used for online preparation of hydrogen and liquid methanol for mixed combustion is adopted, the cold start problem of the methanol engine is solved, meanwhile, engine waste heat is effectively recycled, the fuel heat value grade is improved, and then the engine heat efficiency is improved; and the combustion speed can be effectively increased by adopting hydrogen gas to assist combustion, so that the heat efficiency of the engine is improved.

The invention relates to an accelerator motor control method and system, and the method comprises the steps: obtaining a target rotating speed, obtaining a stay wire position according to a pre-stored rotating speed-stay wire position mapping table, and controlling the output of an accelerator motor based on the stay wire position; wherein the rotating speed-stay wire position mapping table is determined through pre-calibration, and the method comprises the following steps that an accelerator motor is controlled to loosen a stay wire to reduce the rotating speed of an engine to an initial value; controlling the accelerator motor to tighten the stay wire, enabling the rotating speed of the engine to gradually approach the set target rotating speed, and adjusting the PWM step duty ratio of the accelerator motor by comparing the error between the actual rotating speed of the engine and the target rotating speed; the error is within a set range and lasts for set time, the current engine speed and the PWM step duty ratio of the accelerator motor are stored, a set of calibrated mapping relation between the rotating speed and the stay wire position is obtained, and the rotating speed-stay wire position mapping table is updated; and repeatedly executing the step until the PWM step size duty ratio of the accelerator motor corresponding to all the target rotating speeds is obtained.

The invention discloses a vehicle control method and device, a vehicle, a processor and a program product. The method comprises the following steps: determining location information of a target area where a vehicle is located; target state machine models corresponding to the attribution information are determined from at least one state machine model, and different attribution information corresponds to different target state machine models; based on the target state machine model, a target emission control strategy corresponding to the vehicle when the vehicle travels to the target area is determined, the target emission strategy is used for determining the exhaust emission condition of the vehicle, and different target areas correspond to different target emission control strategies; on the basis of the target emission control strategy, control data of the vehicle are determined, and the control data are used for controlling emission of tail gas of the vehicle; and according to the control data, a sensor in the vehicle is controlled to discharge tail gas of the vehicle. The technical problem that the tail gas emission control efficiency is low is solved.

A system includes a computer including a processor and a memory storing instructions executable by the processor to determine to disable a remote start request in a vehicle based on a current state of the vehicle. In response to disabling the remote start request, the instructions include to output a notification. Then, upon receiving a user input to override the disabling of the remote start request, the instructions include to actuate one or more vehicle components as specified by the remote start request.

A system for detecting a source of a misfire for a turbulent jet ignition (TJI) engine having a first ignition device disposed in a pre-chamber of a cylinder head and a second ignition device disposed for communication with a main combustion chamber is presented. The system includes a controller that determines engine operating conditions; generates a first spark from the first ignition device at a first time; generates a second spark from the second ignition device at a second time; activates a skipfire mode based on a determination that the engine operating conditions are satisfactory, wherein in the skipfire mode, the controller generates a modified second spark at a modified second time, the modified second time being later than the second time; and determines a misfire event based on sensing ionization of gasses at the main combustion chamber subsequent to firing the first and second ignition devices.

Make it possible to adjust a dynamic flow rate in an injector including an electromagnetic valve of a type in which the valve is closed by attracting a valve body to a valve seat. A gas fuel injector (1) of an electromagnetic drive type includes a cylindrical main body (10), an opening / closing valve (20) and a solenoid (30) configured to open the opening / closing valve (20). The opening / closing valve (20) includes a valve body (21). The valve body (21) configured to reciprocate together with a plunger (33) constituting the solenoid (30). The plunger (33) is fixed to a retainer (40) provided on an upstream side of the opening / closing valve (20). The retainer (40) is installed between a closing spring (41) configured to bias the plunger (33) in a valve closing direction and an adjustment spring (42) configured to bias the plunger (33) in a valve opening direction.

Systems and apparatuses include a container for a generator set. The container includes a housing including a cooling room structured to support a radiator and a radiator fan within the housing, an exhaust room structured to support an aftertreatment system, an engine room structured to contain the engine and the alternator within the housing, an air intake system positioned adjacent the engine room, and a control room structured to support control equipment for the generator set. The exhaust room may further support after treatment components including a muffler and an exhaust pipe.

The invention discloses a ship LNG methanol dual-fuel intelligent switching control method, relates to the technical field of ship fuel switching control, and solves the problems that the current ship fuel switching judgment only depends on whether the ship fuel is located in a discharge forbidding area or not, and the concentration of residual fuel in a pipeline is lacked to be monitored in real time during ship fuel switching. The method comprises the following steps: obtaining a signal type of a fuel switching signal of a ship according to real-time navigation data; the external environment of the ship is obtained through analysis according to the real-time navigation data, and whether the ship meets pipeline purging conditions or not is judged based on the external environment; methanol use data and liquefied natural gas use data of fuel in the ship and pipeline use data of the ship are obtained, meanwhile, inert gas is controlled to purge a main input pipeline in the ship, and a pipeline purge completion instruction is obtained through purge; whether the fuel switching control of the ship is qualified or not is judged on the basis of the real-time working data, the fuel pipeline of the ship is swept in the fuel switching process, and the qualification rate of fuel switching of the ship is guaranteed.

The invention relates to the technical field of hydrogen internal combustion engines, and discloses a hydrogen internal combustion engine power generation system and method based on AI control, and the system comprises the following modules: a receiving module which is used for receiving an operation instruction from a driver, and the operation instruction comprises an expressway power generation instruction and a static charging instruction; the coupling control module comprises a processor unit and an AI control unit; the processor unit is responsible for data transmission operation; the AI control unit is used for receiving the operation instruction, responding to the operation instruction and controlling operation of a vehicle-mounted generator; and the vehicle-mounted generator is connected with the coupling control module and is used for converting hydrogen energy into electric energy. The invention discloses an AI-controlled hydrogen internal combustion engine power generation system and method, and mainly solves the problems of low energy utilization efficiency, poor operation flexibility and incapability of effectively relieving mileage anxiety caused by the fact that a vehicle-mounted range extender of an existing electric vehicle is passively started only by depending on a preset charging state threshold value of a main battery and does not consider the intention of a driver and a stroke situation.

A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine enables retrofitting to existing diesel engines. The system comprises: a cylinder head of the engine having a first and a second injector hole; a diesel pilot injector positioned in the first injector hole; and a hydrogen injector positioned in the second injector hole; wherein the hydrogen injector comprises: a gasoline direct injector having an external shank and a distal output end; and a nozzle cap covering the distal output end, wherein the nozzle cap is welded to the external shank.

The invention discloses a multi-energy complementary micro-grid coordination control method, and relates to the technical field of micro-grid coordination control, and the method comprises the steps: obtaining the voltage, current, operation power, active power and circuit parameters of a gas generator, a diesel generator and a photovoltaic power generation system, and constructing a micro-grid link topological graph; load fluctuation is automatically shared according to a preset frequency-power and voltage-reactive Droop curve in the micro-grid of the gas generator and the diesel generator; when the bus frequency deviates from the nominal value, each power generation device increases or decreases the output according to a preset proportion; according to the method, the shortest path is calculated based on the power transmission loss, the current-carrying capacity and the voltage drop on the weighted topological graph, and the first power transmission path is dynamically verified and adjusted, so that rapid switching and reconstruction during a fault are realized; the monitoring and path recalculation mechanism can effectively improve the safety and reliability of the micro-grid, and reduce the risk of power supply interruption caused by abnormal lines or equipment.

The invention discloses a range extender generation power control method, device and equipment, a storage medium and a computer program product, and relates to the technical field of vehicle control, and the method comprises the steps that when it is detected that a range extender of a vehicle is in a starting state, a real-time signal output by a vehicle control unit is collected; determining a target slope corresponding to the generated power of the range extender according to the real-time signal, wherein the target slope is used for limiting the change rate of the generated power; and calculating the required generated power of the range extender at the next moment, and controlling the current generated power of the range extender based on the target slope until the current generated power reaches the required generated power. According to the method, the current generated power is controlled and adjusted to be the required generated power of the range extender at the next moment by controlling the generated power change rate of the range extender, so that the current generated power of the vehicle is adjusted to be the required generated power more smoothly; and the phenomenon that the generated power of the extended-range vehicle fluctuates greatly in the running process is avoided.

The utility model relates to an intake hose, throttle valve assembly and vehicle, intake hose is used for connecting with throttle valve, intake hose includes hose body and support layer, the support layer is provided in the hose wall of hose body, the support layer has a plurality of circles, and the support layer is provided with the support layer. The multiple circles of supporting layers are arranged in a stacked and sleeved mode in the radial direction of the hose body. The air inlet hose not only can meet the use requirement of negative pressure resistance, but also can reduce noise.

The utility model provides an active pre-combustion chamber supply system, an engine assembly and a vehicle, and relates to the technical field of vehicle parts. The active pre-combustion chamber supply system comprises a plurality of storage units used for storing different fuels, each storage unit communicates with a fuel inlet of an active pre-combustion chamber, and connection and disconnection of a communicating pipeline between each storage unit and the fuel inlet are controlled through a valve. A plurality of storage units are arranged in an active pre-combustion chamber supply system, each storage unit is communicated with a fuel inlet of an active pre-combustion chamber, and meanwhile, a valve is used for performing on-off control on a communicating pipeline, so that a set of flexible supply system capable of switching fuel types is successfully constructed.

The invention is directed to an internal combustion engine and to a method for operating an internal combustion engine. The internal combustion engine (100), having at least one cylinder (101) with an inner diameter of at least 200mm comprises a fuel supply system (110), in particular an ammonia supply system, with a main fuel tank (111), a fuel distributor (112), a fuel injection system (120) arranged downstream the fuel distributor (112), and at least one separation valve (9), which is fluidly arranged between the fuel supply system (110) and the fuel injection system (120). The internal combustion engine (100) further comprises a fuel purge system (125) with at least a liquid fuel purge system (130). The liquid fuel purge system (130) comprises a high pressure source (131) of inert gas, preferably N2, preferably with a pressure of greater than 30 bar, which is fluidly connected or connectable to at least the fuel supply system (110), preferably upstream the fuel distributor (112), and a catch tank (132) for receiving and storing liquid fuel. The fuel purge system (125) comprises a purge control unit (150) which is adapted to set a first liquid fuel purge mode to purge the fuel supply system (110), wherein the purge control unit is adapted to establish a fluid connection between the high pressure source (131) of inert gas and the fuel distributor (112), and wherein the purge control unit (150) is adapted to establish a fluid connection between the fuel distributor (112) and the catch tank (132), such that inert gas from the high pressure source (131) of inert gas is guided through the fuel distributor (112) and into the catch tank (132).

The invention relates to the technical field of fuel supply systems, in particular to a fuel supply device and an engine system. The fuel supply device comprises a methanol fuel line and a gasoline fuel line, the gasoline fuel line comprises a gasoline tank, a gasoline pump and a first common rail pipe which are communicated in sequence, and the methanol fuel line comprises a methanol tank, a methanol pump and a second common rail pipe which are communicated in sequence; the fuel supply device comprises a first three-way valve, a second three-way valve, a third three-way valve, a pressure sensor and a control unit, the first three-way valve is arranged between the methanol tank and the methanol pump, the second three-way valve is arranged between the gasoline tank and the gasoline pump, the first three-way valve is connected with the second three-way valve, and the third three-way valve is arranged between the gasoline pump and the second common rail pipe; the pressure sensor detects the pressure value in the second common rail pipe and is in signal connection with the control unit, and the control unit controls opening and closing of the first three-way valve, the second three-way valve and the third three-way valve according to the pressure value so that when the methanol pump breaks down, the gasoline pump can replace the methanol pump to work.

An engine includes a cylinder and a cylinder head stacked on an upper portion of a crankcase, an electronically controlled throttle interposed in an intake passage behind the cylinder head, and an exhaust pipe extending rearward from the cylinder head through a side of the cylinder. The electronically controlled throttle includes a throttle valve provided in the intake passage and an actuator that opens and closes the throttle valve. The actuator is disposed on an opposite side of the exhaust pipe with respect to a vehicle center line extending in a vehicle front-rear direction.

The invention discloses a deicing method, device and system for a throttle valve, the throttle valve and an engine, and relates to the technical field of engines, the icing level of the throttle valve is comprehensively judged by combining environmental conditions, the throttle valve flow deviation rate and the throttle valve motor ripple coefficient, the icing condition of the throttle valve can be comprehensively evaluated, and the deicing efficiency of the throttle valve is improved. Accurate detection of the freezing condition of the throttle valve is realized. According to the icing grade, the corresponding deicing measures are adopted to deice the throttle valve, accurate deicing can be achieved, unnecessary deicing operation can be reduced, energy consumption is reduced, energy conservation and environmental protection are achieved, and the economical efficiency of the system is improved.

To improve the acceleration responsiveness of a series hybrid vehicle.SOLUTION: A hybrid vehicle control method is for controlling a hybrid vehicle 100 that includes a traveling motor 3 configured to be operated by electric power of a battery 4, a power generation motor 2 configured to supply generated electric power to at least one of the battery 4 and the traveling motor 3, and an internal combustion engine 1 configured to serve as the drive source of the power generation motor 2, and that travels in an EV mode in which the hybrid vehicle travels in a state where the internal combustion engine 1 is stopped or in a HEV mode in which the hybrid vehicle travels in a state where the internal combustion engine 1 is operated. In a hybrid vehicle control method, a controller 10 infers whether overtaking acceleration is performed during traveling in the EV mode, on the basis of an external factor determined by a relation with a preceding vehicle traveling ahead of a host vehicle and an internal factor determined according to the operation of the driver of the host vehicle; and when it is inferred that the overtaking acceleration is performed, the controller starts motoring to start the internal combustion engine 1.SELECTED DRAWING: Figure 1

A system and method for recovering ammonia from an ammonia-fuelled engine of a vessel. The method comprises: (a) purging the engine with a purge gas to produce an ammonia-containing purge gas stream; (b) passing the ammonia-containing purge gas stream to holding tank(s) on the vessel to create a holding gas; (c) passing the holding gas into a reliquefaction system provided on the vessel to provide a liquid ammonia return stream and a reduced ammonia gaseous stream; and (d) returning the liquid ammonia return stream into a fuel tank configured to supply the engine. The purge gas may be nitrogen. The reliquefaction system may be the same reliquefaction system that the ship uses for recovering boil-off gas, BOG, from a liquefied natural gas, LNG, cargo. There is also described a vessel, such as a liquefied cargo carrier, using said method and system. The engine may be a dual-fuel engine configured to work with a second fuel.

The utility model discloses a motorcycle electronic throttle valve with an integrated sensor, which comprises a throttle valve shell, a gear transmission mechanism is arranged in a cavity at the upper part of the throttle valve shell, the lower part of the gear transmission mechanism is connected with a valve shaft, the valve shaft is positioned in the throttle valve shell, and the inside of the valve shaft is of a hollow structure; a hollow structure is arranged in the throttle valve shell, a disc fixed through a screw is arranged in the hollow structure in a penetrating mode, the bottom of the valve shaft is connected with an integrated sensor, the integrated sensor is located at the bottom of the throttle valve shell, and the integrated sensor comprises a temperature sensor, an angle sensor and a pressure sensor. The throttle valve has the advantages that the integrated sensor is arranged at the bottom of the throttle valve, temperature, pressure and angle are integrated, installation space is saved, measured data such as the temperature, the pressure and the angle can be fed back to corresponding elements, opening of the throttle valve is controlled, air inflow of the throttle valve body is adjusted, normal work of an engine is guaranteed, and the throttle valve is safe and reliable. And the emission of the engine is reduced.