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An engine cylinder head and an electronic injection system thereof
ActiveCN224496579UIncrease power outputImprove fuel economy
This utility model discloses an engine cylinder head and its electronic fuel injection system, including a cylinder head body. The cylinder head body has an intake manifold, an exhaust manifold, and a connecting surface for connection and mating with the engine block. The cylinder head body has a fuel jet channel communicating with the intake manifold. A cylinder head fuel jet clearance groove is provided on the inner wall of the intake manifold near the inner end of the fuel jet channel. An intake valve is installed on the cylinder head body, with its valve head installed in an intake valve seat hole. An intake pipe is installed on the cylinder head body on one side of the intake manifold. An injector seat is provided on the intake pipe, and an injector mounting hole communicating with the fuel jet channel is provided on the injector seat. An injector is installed in the injector mounting hole, and the linear distance between the injector nozzle and the center of the valve head is 70mm to 110mm. By precisely defining the position and mating relationship between the components, the overall performance of the engine is maximized.
Owner:CHONGQING LIFAN RUICHI MASCH MFG CO LTD
Preparation method of micro-quantum core mother liquor for internal combustion engine
PendingCN121950371Aavoid lostavoid degradationDissolving systemsTransportation and packagingMethanol fuelProcess engineering
The invention belongs to the technical field of fuel additives, and particularly relates to a preparation method of micro-quantum core mother liquor for an internal combustion engine. S1, raw material pretreatment and solvent dehydration; s2, preparation of a combustion and calorific value enhancement functional mother solution A; s3, preparation of a system protection function mother solution B; s4, preparing a mother solution C with stable operation and lubricating functions; and S5, compounding, degassing and finely filtering the three functional mother liquor. An eight-element synergistic system is constructed, and the micro-quantum core mother liquor for the internal combustion engine is prepared by adopting a three-module step-by-step preparation process; after methanol fuel is added, the combustion efficiency, power output and cold start performance can be synergistically improved, meanwhile, electrochemical corrosion, sealing element swelling and part abrasion are inhibited, and it is guaranteed that the fuel is stably stored for a long time; the process avoids the compatibility problem of multi-additive mixing, and solves multiple contradictions of energy improvement, material protection and fuel stability.
Owner:GUANGDONG ZHONGZE LOW CARBON ENERGY TECHNOLOGY CO LTD
Floating wind turbine mooring positioning method, mooring positioning system and electronic device
ActiveCN119740385BIncrease output powerReduce fatigue loadGeometric CADMachines/enginesMooring systemMarine engineering
The application belongs to the technical field of offshore wind power generation, and discloses a floating wind turbine mooring positioning method, a mooring positioning system and electronic equipment. The floating wind turbine mooring positioning method obtains the measurement data of wind speed and wind direction and the position information of wind turbine layout, then constructs a mooring system model of the wind turbine to obtain the maximum length and the minimum length of the mooring line; then the genetic algorithm is used to iteratively process multiple design parameters while keeping other parameters unchanged to obtain the optimized position coordinates of the wind turbine, thereby creating a mooring system design database, and according to the established wake model of the floating offshore wind farm, the power generation capacity of each wind turbine and the position information of the layout are calculated according to the offset of the position of each wind turbine until the position information of the layout with the minimum wake loss of the floating offshore wind farm and the maximum power generation capacity of the wind farm is found, which is beneficial to improve the output power of the wind farm and reduce the fatigue load of the wind turbine.
Owner:CTG JIANGSU ENERGY INVESTMENT CO LTD
Mounting mechanism, conveying mounting mechanism and motor
ActiveCN224233435Uavoid interferenceavoid damageAssociation with control/drive circuitsMagnetic circuitElectric machineryControl theory
Owner:DONGGUAN DIRECT DRIVE TECH LTD
Impedance-controlled wall-climbing robot and impedance control method
ActiveCN116513333BRealize active controlIncrease power outputMechanical pressure/force controlVehiclesStructural engineeringControl theory
This invention provides an impedance-controlled wall-climbing robot and an impedance control method. The impedance-controlled wall-climbing robot includes a wall-adhering device and at least one climbing device. The climbing device drives the wall-adhering device to move on the wall surface. The climbing device includes: a climbing component, which includes climbing wheels; a driving component, which includes an elastic driving element with an elastic hollow area, and is drivenly connected to the climbing wheels through the elastic driving element; and a detection component, at least a portion of which is connected to the driving component and is used to detect the rotation angle of the driving component, and at least another portion of which is connected to the climbing component and is used to detect the rotation angle of the climbing wheels. The angle change of the elastic driving element is determined based on the difference between the detected rotation angle of the driving component and the rotation angle of the climbing wheels. This invention solves the problem of difficulty in determining the operating state of wall-climbing robots in the prior art.
Owner:SHENHUA ZHUNGER ENERGY +1
Turbocharging device and vehicle
The application provides a turbocharging device and a vehicle, wherein the turbocharging device comprises an engine, an air inlet pipe and an air outlet pipe, the air inlet pipe is communicated with an air inlet of the engine, the air outlet pipe is communicated with an air outlet of the engine; a compressor is arranged on the air inlet pipe, the compressor is used for pressurizing the gas in the air inlet pipe; a turbocharger is arranged on the air outlet pipe; an electric motor, a rotating shaft of the electric motor is connected with a rotor shaft of the compressor through a first connecting shaft; a generator, a rotating shaft of the generator is connected with a turbine shaft of the turbocharger through a second connecting shaft; a clutch is arranged between the rotating shaft of the electric motor and the rotating shaft of the generator, the clutch has an engaged state of connecting the rotating shaft of the electric motor with the rotating shaft of the generator and a disconnected state of disconnecting the rotating shaft of the electric motor from the rotating shaft of the generator. The technical scheme of the application effectively solves the problem that the turbocharging system in the related art makes the response speed of the engine slow during acceleration.
Owner:SAIC MOTOR
Secondary electrolyte injection method and alkali metal ion battery thereof
PendingCN122118327AImprove high temperature storageImprove high temperature cycle performanceCell component detailsSecondary cells servicing/maintenanceElectrolytic agentElectrical battery
The application discloses a secondary electrolyte injection method and an alkali metal ion battery thereof, and the secondary electrolyte injection method comprises the following steps: injecting a first electrolyte into a semi-finished product battery cell and sealing, aging, standing and forming, wherein the first electrolyte comprises an electrolyte salt, a non-aqueous solvent and a basic additive; continuously injecting a second electrolyte, and obtaining an alkali metal secondary battery after secondary sealing and capacity distribution; the second electrolyte comprises the first electrolyte, a first additive and a second additive; the first additive is lithium fluorosulfonate or sodium fluorosulfonate, and the second additive is at least one of a fluorine-containing pyridine compound shown in the following formula (I) or a fluorine-containing imidazole compound shown in the following formula (II), and the specific structure is referred to the description. Through the secondary injection of the first additive and the second additive, the high-temperature cycle performance, the high-temperature storage performance and the low-temperature cycle performance of the battery can be improved, the rate discharge performance of the battery is improved, and the power of the battery is improved.
Owner:ZHEJIANG ZHONGLAN NEW ENERGY MATERIALS CO LTD +1
Electric machines and vehicles
The utility model relates to motor and vehicle. Motor has motor shaft and installs rotor assembly on motor shaft, and is installed with first rotor pressing plate and second rotor pressing plate on motor shaft on the axial both sides of rotor assembly, and this motor still includes the oil supply device for delivering cooling oil to rotor assembly, and is equipped with the oil inlet for guiding in cooling oil on first rotor pressing plate, and is equipped with the vacuum extraction structure for extracting the air in rotor assembly on second rotor pressing plate. The utility model aims at solving the problem that cooling oil cannot flow into the motor interior efficiently when the motor speed is too high in the prior art, and further influences the heat dissipation of motor, improves the working efficiency, life and reliability of motor.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Energy-saving portable planetary mixer suitable for narrow pavement surface and mixing method
PendingCN121848525AMake sure to dumpIncrease power outputHollow article cleaningRoads maintainenceThermodynamicsControl theory
The invention relates to the technical field of portable planetary stirrers, in particular to an energy-saving portable planetary stirrer suitable for a narrow pavement surface and a stirring method.The stirrer comprises a stirring tank assembly, a mounting frame assembly is mounted on one side of the stirring tank assembly, and a movable base is arranged at the lower end of the mounting frame assembly; a moving mechanism is mounted on the moving base, and the diameter of the stirring tank assembly is smaller than the width of the moving base; the method comprises the following steps of equipment connection, material addition, power driving, stirring and mixing, concrete output and injection position control. The movable base can drive the stirring tank assembly to transversely move on the narrow paving surface, and the stirring tank assembly can conveniently and longitudinally move on the narrow paving surface by setting the specifications of the stirring tank assembly and the movable base; and meanwhile, synchronous operation of multiple stirring modes is achieved under the action of a planetary driving mechanism in the stirring tank assembly, and rapid stirring and output of the concrete can be achieved.
Owner:JIANGSU HYDRAULIC ENG CONSTR
Micro-vibration electric energy conversion method and system
This application discloses a micro-vibration power conversion method and system, relating to the field of micro-vibration power generation technology. The method includes: responding to low-amplitude vibration excitation of a transmission ground wire, triggering a relative displacement signal from a permanent magnet mass block based on the support state of a super-slippery graphite interface; responding to the relative displacement signal, generating an induced alternating current signal by cutting a multi-turn coil based on the alternating magnetic flux state of a bipolar permanent magnet array; acquiring the zero-crossing voltage characteristics of the induced alternating current signal and performing active rectification to output a first direct current signal; acquiring the voltage and current values of the first direct current signal to calculate the instantaneous power value, and step-adjusting the equivalent load impedance value according to the changing trend of the instantaneous power value to extract a second direct current signal; responding to power fluctuations of the second direct current signal and ambient temperature parameters, using a hybrid energy storage system based on tantalum capacitors and supercapacitors to smooth out and output a stable direct current signal. This application lowers the start-up threshold and widens the conversion bandwidth, thus smoothing out power fluctuations.
Owner:HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD