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118results about How to "Address lack of motivation" patented technology

Four-footed walking robot in compound driving mode

The invention discloses a four-footed walking robot platform which is provided with a driving power via cam rigidity by an internal-combustion engine and is provided with a swerving power by a servo motor system and the balanced stance of which is regulated. A compound driving mode is established by finding a high efficient walking mode of combining the power technique of current car, tank and tractor with the technique of modern computer and robot technique based on the research result of the current multi-footed robot. 99% of driving power for the robot straightly walking on flat road is provided by the internal-combustion engine. When rugged road appears or the robot needs to swerve, the motor system regulates the balanced stance and finishes the swerving task. The robot of the invention not only can decrease the power of the motor system, lighten the self-weight, lower the use frequency of the motor system and prolong the service life of a screw rod, but also can completely imitate the four-footed animals, can realize continuous, smooth, stable, powerful and efficient walking and can continuously work for a long time in a complex environment.
Owner:常爱军

Four-foot walking robot through rigidly transmitting driving power by internal-combustion engine

InactiveCN101746431AReduce gravityReduce lack of motivationVehiclesRoad surfaceCam
The invention relates to a four-foot walking robot platform, a high-efficiency walking mode which combines the power technology of the existing automobiles, tanks and tractors and the modern computer and robot technology is found under the existing research result of a multi-foot robot, so as to build a combined driving mode, an internal-combustion engine is used for providing driving force rigidly through a cam, and a servo hydraulic pressure driver is used for providing steering force and regulating balance posture; 99 percent of the driving force is provided by the internal-combustion engine rigidly when the robot walks straightly on the flat road, when the robot walks on the uneven road or turns, a hydraulic pressure driving system is used for carrying out the tasks of regulating the balance posture and steering, therefore, the power of the hydraulic pressure driving system can be reduced, the using frequency of the hydraulic pressure driving system is reduced, the service life is prolonged, the robot can imitate the four-foot animal completely, the continuous, smooth, stable, strong and high-efficiency walking is realized, and long-time contiguous working can be carried out under complex environment.
Owner:常爱军

Driving system of electric motor coach and driving control method thereof

A driving system of an electric vehicle and a method for controlling the same are provided. The driving system comprises: a power battery (100); a plurality of first in-wheel motors (200) connected with the power battery (100); a plurality of first motor controllers (300) controlling the plurality of first in-wheel motors (200) respectively; a plurality of second in-wheel motors (400) connected with the power battery (100); a plurality of second motor controllers (500) controlling the plurality of second in-wheel motors (400) respectively; and a vehicle management system controller (600) connected with the plurality of first motor controllers (300) and the plurality of second motor controllers (500) respectively, and configured to control the plurality of first in-wheel motors (200) and the plurality of second in-wheel motors (400) to start or stop during a running of the electric vehicle.
Owner:BYD CO LTD

Ethanol gasoline composite additive and preparation method thereof

The invention belongs to the field of petroleum product additives, and particularly relates to an ethanol gasoline composite additive and a preparation method thereof. The composite additive is prepared from co-solvent, combustion improver, corrosion inhibitor, vapor pressure inhibitor, detergent dispersant and surfactant serving as raw materials. The composite additive added into ethanol gasoline totally can replace gasoline, and is energy-saving, clean and environmentally-friendly. The ethanol gasoline prepared by using the additive can be mixed and used with the gasoline for vehicles in different ratios; the synthesized gasoline has no poor corrosion, has good dynamic property, oxidation resistance, explosion resistance and good oil-saving effect, prolongs the service life of an engine, obviously reduces harmful gas emission in automobile exhaust, is extremely favorable for protecting the environment and saving the energy, and has good economic benefit and social benefit; and because of the surfactant, the additive improves the storage and transportation stability of the ethanol gasoline, and does not produce phase separation or sediment after long-time storage.
Owner:临沂星火知识产权服务有限公司

Gas drilling underground motor drilling tool

The invention discloses a gas drilling underground motor drilling tool. The gas drilling underground motor drilling tool comprises a double-acting compressed air power short section, a double-acting hydraulic power short section, a closed circulating hydraulic motor and a liquid separation air discharging transmission short section, which are sequentially connected with one another in a threading manner, and a chamber of each part is sealed through a sealing pad after being aligned to one another; a sealing pad d is arranged between the double-acting hydraulic power short section and the closed circulating hydraulic motor. By adopting the gas drilling underground motor drilling tool, the gas energy can be converted to high-pressure hydraulic energy, the rotor is driven to rotate through the closed cycling of hydraulic oil inside a volume-type motor, the power insufficiency caused by the compression when the gas energy is directly used for driving the motor can be overcome, all advantages for adopting the gas as the cycling medium also can be maintained, and the underground power problem of a gas drilling horizontal well, a directional well and a large-displacement well can be effectively solved.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Method, device and system of compensating torque of turbocharged engine

The invention provides a method, a device and a system of compensating the torque of a turbocharged engine. The method of compensating the torque of the turbocharged engine comprises the following steps of judging a working state of a vehicle at the current moment; when the working state of the vehicle at the current moment is in a state of acceleration, inquiring an acceleration target curve of the vehicle, determining the target acceleration of the vehicle at the current moment, and determining the demand torque of the vehicle at the current moment according to the target acceleration; when the output torque of the engine is less than the demand torque at the current moment and the state-of-charge (SOC) threshold of a battery is greater than the SOC threshold of a drive, starting a motor coaxially connected to engine in advance to compensate the torque of the engine; and supplying a power source for the motor through the battery. According to the invention, the motor and the traditional engine are combined, the advantage of rapid response speed of the motor is directly utilized, thus the problem of insufficient power at the start accelerating stage of the turbocharged gasoline engine is fundamentally solved, and the power performance and drivability of the vehicle are greatly improved.
Owner:BEIQI FOTON MOTOR CO LTD

Intelligent accelerator control method based on vehicle weight

The invention discloses an intelligent accelerator control method based on the vehicle weight. The method includes the following steps that vehicle position information is obtained and sent to a common rail line; the common rail line sends the vehicle position information and road spectrum information to an ECU; the ECU confirms the slope of the position of a vehicle according to the obtained vehicle position information and the obtained road spectrum information and determines a corresponding rotation speed-torque MAP according to the slope and an MAP correction factor according to the vehicle weight; the ECU judges whether the MAP needs to be switched or not according to the vehicle accelerator change rate, and when the MAP needs to be switched, the MAP is switched, and the torque is corrected; and a vehicle accelerator is controlled according to the corrected torque. By the adoption of the method, the output torque of an engine can be adjusted according to the vehicle weight and theroad spectrum information, when the vehicle is on a flat road or bears a light load, the rotation speed and the torque of the engine are restrained, the engine is made work in the most economical area as much as possible, the oil consumption of the whole vehicle is reduced, and the problem of high oil consumption caused by bad driving habits of a user is solved.
Owner:WEICHAI POWER CO LTD

Wireless power supply driving method and device for electric automobile or electric motorcycle

The invention discloses a wireless power supply driving method and a wireless power supply driving device for an electric automobile or an electric motorcycle, and belongs to electro-mechanics. Wireless power supply is completely used as driving energy; a receiving coil is added in a tire, a road for an electromagnetic oscillating and transmitting coil capable of wirelessly supplying power to the receiving coil in the tire is laid in the running route of the electric automobile or the electric motorcycle, the electromagnetic oscillating and transmitting coil embedded in the road transmits electrical energy, and the receiving coil arranged in the tire absorbs the electrical energy provided by the electromagnetic oscillating and transmitting coil through electromagnetic resonance; and through rectification, voltage stabilization and control of an external circuit module and through a wireless power supply receiving device, wireless transmission of the electrical energy from the pavement to the electric automobile or the electric motorcycle is realized, and a hub motor is driven to run.
Owner:吉林省北亚智谷科技有限公司

Multi-section swing arm crawler-type robot for detection of mine disasters

The invention discloses a multi-section swing arm crawler-type robot for detection of mine disasters. The robot comprises three sections of robot bodies, crawler-type traveling mechanisms, front and rear swing arm units, joint modules and power devices, wherein each section of robot body has an independent crawler-type traveling mechanism that is symmetrically arranged on the two sides of the robot body; the first and last robot bodies are respectively provided with two crawler-type swing arms; the swing arms can be controlled by a motor to rotate around the robot body; besides, crawlers of the swing arms are transmitted by driven wheels of the crawlers of the robot bodies, so as to realize synchronous rotation of the crawlers of the robot bodies and the crawlers of the swing arms; the robot bodies are connected with one another through joint devices which can realize pitching and yaw of each section of robot body; the first and last sections of robot bodies are respectively provided with the power devices; both of the two sections of robot bodies can be used to pull or push the whole robot. According to the multi-section swing arm crawler-type robot for detection of mine disasters disclosed by the invention, the integral construction of the robot is simple; the crawler-type traveling mechanisms feature excellent climbing and obstacle crossing performances; with use of the front and rear swing arms, ability of crossing vertical obstacles and relatively long gullies of the robot is improved; front and rear sets of power devices solve the problem of the robot in insufficient power in case of special terrains; utilization of multi-section construction helps greatly enhance balance and stability of the whole robot; in conclusion, a detection and rescue robot that is simple in structure, high in safety and strong in obstacle crossing ability is implemented according to the invention.
Owner:XIAN UNIV OF POSTS & TELECOMM

Additive for improving dynamic property of methanol gasoline

The invention discloses an additive for improving dynamic property of methanol gasoline. The additive is prepared from the following raw materials by weight percent: 18.0-31.0% of 2,2-diisopropyl-1,3-dioxolane, 15.0-29.5% of aminoacetaldehyde diethyl acetal, 15.0-24.5% of 1,3-cyclooctadiene, 13.0-24.0% of 1-cyanoethyl-2-ethyl-4-methylimidazole, 10.0-20.5% of 5-methyl-2-heptylene-4-ketone and 9.0-19.5% of 1,4-bi(phenyl acetic diacyl) benzene in a manner of evenly stirring and mixing at normal temperature. According to the additive disclosed by the invention, the improvement effect on heat value power of the methanol gasoline is significant, and the dynamic properties such as acceleration are obviously superior to those of the same mark of methanol gasoline by adding 0.3-1.0% of methanol gasoline into the common methanol gasoline.
Owner:CRPC INNOVATION ENERGY

Double-motor power-driven system of electric automobile

InactiveCN103085642AOvercome the problems of low starting initial speed and insufficient torqueAddress lack of motivationElectric propulsion mountingElectric machinesDrive shaftDitch
The invention discloses a double-motor power-driven system of an electronic automobile. The double-motor power-driven system of the electronic automobile comprises a first driving motor, a first storage battery group which corresponds to the first driving motor, a second driving motor, a second storage battery group which corresponds to the second driving motor and two centrifugal one-way automatic clutches. The first driving motor and the second driving motor which are conjoined are arranged in the power-driven system in a parallel mode, the two centrifugal one-way automatic clutches which are arranged in a parallel mode are respectively connected with power output ends of the first driving motor and the second driving motor, the two centrifugal one-way automatic clutches are connected with an output end of an electromechanical coupling gearbox through a spline shaft, the output end of the electromechanical coupling gearbox is connected with a transmission shaft of a vehicle. The double-motor power-driven system of the electronic automobile has the advantages of solving the problem that the automobile is underpowered under the conditions of starting, overtaking, uphill, passing ditches and the like, and switching the underpowered motor in a double-motor group when the vehicle dynamically moves forward.
Owner:苏州瑞佳新能源动力科技有限公司

Engine transient air inflow method, device and system

ActiveCN110657035AAchieving Transient Intake ResponsivenessAddress lack of motivationElectrical controlMachines/enginesLoop controlEngine power
The invention provides an engine transient air inflow method, device and system. The method comprises the steps of obtaining working condition value of the rotating speed, the torque and throttle valve front and back pressure parameters of an engine; according to the working condition value of the rotating speed, the torque and the throttle valve front and back pressure parameters of the engine, judging the working condition state type of the engine; according to the working condition state type, adjusting the torque of the engine or configuration value of the closed-loop control feedforward duty ratio of a waste gas bypass-valve to adjust the transient air inflow of the engine; and transient air inflow responsiveness of various working conditions of the engine can be achieved, devices like a sensor do not need to be added, on the premise of not changing the engine mechanical structure, engine power deficiency is solved, and engine work reliability is improved.
Owner:WEICHAI POWER CO LTD

Electric tractor double-motor power junction control device

The invention discloses an electric tractor double-motor power junction control device and relates to the field of tractors. The control device comprises a wet clutch control oil way and a power junction gearbox. The wet clutch control oil way is connected according to a hydraulic oil way sequence. The power junction gearbox comprises two power input shafts, two power output shafts, a first wet clutch, an intermediate shaft and multiple pairs of gears. The wet clutch control oil way controls the wet clutch to be disengaged and engaged. The double-motor power junction control device can coordinate the working areas of two motors and also can conduct large torque output, the problem that an electric tractor is insufficient in power under a heavy-load working condition is effectively solved,meanwhile, work efficiency of the two motors is improved, different drive modes of the electric tractor are switched, and the dynamic property and economical efficiency of the electric tractor meet the requirements.
Owner:JIANGSU UNIV

M20 methanol gasoline power performance improver

The invention discloses an M20 methanol gasoline power performance improver which is prepared by mixing 18.0-31.0 percent of 1,1-dimethyl cyclopentane, 15.0-29.5 percent of 4-trifluorometoxybenzene methanol, 15.0-24.5 percent of bi(diethylamine) phenyl phosphine, 13.0-24.0 percent of 3-amino-N-methyl benzylamine, 10.0-20.5 percent of tert-butoxy bi(dimethylamino) methanol and 9.0-19.5 percent of 2-acetyl benzofuran at normal temperature. Additives adopted by the M20 methanol gasoline power performance improver have a remarkable effect on improvement of the engine power of M20 methanol gasoline, and the common M20 methanol gasoline is added with 0.3-1.0 percent of the additives, and thus the power performance like acceleration is obviously better than that of the same model number of common methanol gasoline.
Owner:甘肃桑田清洁能源开发有限公司

Industrial mechanical arm device

The invention discloses an industrial mechanical arm device. The industrial mechanical arm device comprises a fixed pile, wherein a sleeve cover is arranged at the periphery of the fixed pile; a box cover is arranged at the lower end of the sleeve cover; a box body is arranged at the lower end of the box cover; the right end of the sleeve cover is provided with fore-and-aft symmetrical vertical columns; a hydraulic pump is arranged at the right end of the vertical column; a mechanical rear arm is arranged at the upper end between the vertical columns; a hydraulic pump is arranged at the rightend of the upper surface of the mechanical rear arm and is tightly welded with the mechanical rear arm; a mechanical front arm is arranged at the right end of the mechanical rear arm, and the mechanical rear arm is rotatably connected with the mechanical front arm; a rotator is arranged at the right end of the mechanical front arm; and a mechanical claw is arranged at the right end of the rotator.The industrial mechanical arm device disclosed by the invention has the advantages that the box cover can rotate by 360 degrees by adopting the fixed pile as an axle, the mechanical front arm and themechanical rear arm also can move under the power of the hydraulic pump, can work on a working platform surface farther from main power, and the power is much larger than that of the existing mechanical arm, the rotator can provide rotation, and the hydraulic pump at the right end also can provide pressure.
Owner:CHENGDU HONGYUE TECH CO LTD

Self-adaptive passive cleaning robot for flammable and explosive dust pipelines

The invention discloses a passive pipeline cleaning robot. A cleaning device and a pusing plate are arranged close to an air inlet and an air outlet respectively and are hinged through two supporting devices; one end of the cleaning device is coaxially connected with one end of the first supporting device, one end of the pushing plate is coaxially connected with one end of a second supporting device, and the other ends of the first supporting device and the second supporting device are flexibly hinged through a flexible connector; the cleaning device comprises a cleaning fixing shaft, a cleaning seat body, a plurality of cleaning assemblies, fan blades and a speed reducing mechanism; and the first supporting device and the second supporting device are the same in structure and each comprise a supporting shaft, a supporting arm, a supporting seat body, a left rotating wheel, a right rotating wheel and an elastic supporting assembly. The self-adaptive passive cleaning robot is short in transmission route, high in transmission efficiency, large in cleaning torque, high in working reliability, capable of preventing wheels from being abraded easily and more suitable for cleaning operation of bent pipelines, cleaning power and walking power do not interfere with each other, and power is sufficient.
Owner:CHINA JILIANG UNIV

Barometric pressure sensor detecting method and device

The invention discloses a barometric pressure sensor detecting method and device. The method comprises the steps that when it is detected that an electronic control unit is powered on and the rotationspeed of an engine is zero, barometric pressure values of a barometric pressure sensor and inlet pressure values of an inlet pressure sensor are collected; when it is detected that the number, namelyn of a driving cycle is greater than a set number of cycle, the rotation speed of the engine is controlled to be a first rotation speed, and a third inlet pressure value of the inlet pressure sensoris collected; and if the absolute value of a difference value of the second barometric pressure value and the first barometric pressure value is greater than a first pressure threshold value, the absolute value of a difference value of the second inlet pressure value and the first inlet pressure value is smaller than a second pressure threshold value, and the absolute value of a difference value of the third inlet pressure value and the second inlet pressure value is greater than a third pressure threshold value, barometric pressure sensor measuring results are invalid. According to the embodiment of the invention, the accuracy of the barometric pressure sensor measuring results is detected, faults of the barometric pressure sensor can be found in time, and normal running of vehicles is ensured.
Owner:WEICHAI POWER CO LTD

Intelligent accelerator control method

ActiveCN107762640AOutput torque achievedThe output torque realizes the boost when the vehicle goes uphillEngine controllersMachines/enginesCommon railComputer science
The invention discloses an intelligent accelerator control method. The intelligent accelerator control method comprises the following steps: vehicle position information is obtained and sent to a common rail row; the common rail row sends the vehicle position information and road spectrum information to an ECU; the ECU determines a gradient of the position of a vehicle according to the obtained vehicle position information and road spectrum information, determines a corresponding rotating speed-torque MAP graph according to the gradient, and determines MAP correcting coefficients according tothe weight of the vehicle and the length of the slope; the ECU judges if the MAP graph needs to be switched according to a vehicle accelerator change rate; when the switching is needed, the MAP graphis switched, and the torque is corrected; and a vehicle accelerator is controlled according to the corrected torque. The engine output torque can be adjusted according to the weight of the vehicle andthe road spectrum information to solve the problems of insufficient power in the vehicle upslope and high oil consumption caused by bad driving habits.
Owner:WEICHAI POWER CO LTD

Hydraulic driven three-degree-of-freedom robot joint

PendingCN111687880AIncrease motivationAchieving a high load-to-weight ratio designJointsReduction driveControl engineering
The invention provides a hydraulic driven three-degree-of-freedom robot joint. The three-degree-of-freedom robot joint comprises a first hydraulic rotation cylinder, a second hydraulic rotation cylinder, a third hydraulic rotation cylinder, a first connecting frame and a second connecting frame. Each of the three hydraulic rotation cylinders comprises an outer shell and a cylinder block, and the cylinder block rotates relative to the outer shell. The cylinder block connecting end of the first connecting frame is fixed to the cylinder block of the first hydraulic rotation cylinder. The outer shell connecting end of the first connecting frame is fixed to the outer shell of the second hydraulic rotation cylinder. The cylinder block connecting end of the second connecting frame is fixed to thecylinder block of the second hydraulic rotation cylinder. The outer shell connecting end of the second connecting frame is fixed to the outer shell of the third hydraulic rotation cylinder. Comparedwith motors and speed reducers, the hydraulic rotation cylinders have the lower weight, so that the overall weight of the robot joint is reduced, and the lightweight design of the robot joint is realized. Moreover, the hydraulic rotation cylinder for hydraulic driving can provide large torque, and the design of the high-load self-weight ratio of a robot is realized.
Owner:THE 21TH RES INST OF CHINA ELECTRONIC TECH GRP CORP

Alcohol ether substituted clean fuel for automobile

ActiveCN101195772AExcellent quality inspection indexGood quality and performanceLiquid carbonaceous fuelsBodies oilPhosphate
The invention discloses alcohol ether replaced clean fuel material used for vehicles, which takes methanol, methylic tertiary butyl ether, ethanol, 190 <NUMBER> -200 <NUMBER> solvent naphtha and heat bodied oil as raw material, under the normal temperature and the normal pressure, sodium perchlorate and potassium permanganate are firstly mixed and prepared by the weight ratio of 1:2, and then filled up into the methanol to be modified, and methylic tertiary butyl ether, ethanol, 190 <NUMBER> -200 <NUMBER> solvent naphtha and heat bodied oil are added in sequence, at last, mixed benzene, light aromatics, methylethyl ketone, sulfurated alkyl phenicate, ialkyl dithiozinc phosphate salt, ethylene glycol monomethyl ether, phosphate ester and Beta- naphthylamine, alkenyl succinic acid and alkylphenol polyoxyethylene are added to prepare a kind of petrous energy source replaced liquid fuel material which resists low temperature, has good mutual solubility, is corrosion proof, has good dynamic performance, low energy consumption and obvious environmental protection effect.
Owner:北京雄韬伟业能源科技发展有限公司

Turbocharger hysteresis compensation device based on air compensation of intake pipe

The invention relates to a turbocharger hysteresis compensation device based on air compensation of an intake pipe. An independent compressor and a gas storage tank are additionally arranged on an original engine system. The compressor is connected with an output shaft of an engine through an electromagnetic clutch which is controlled through a controller. When pressure in the gas storage tank is lower than first set pressure, the controller controls the electromagnetic clutch to combine, and the compressor starts to work. When the pressure in the gas storage tank reaches second set pressure, the electromagnetic clutch is controlled to separate, and the compressor stops working. When the rotating speed of the engine is low, a turbocharger does not work, and a high-speed solenoid valve is controlled by the controller to directly supply high-pressure air to the intake pipe of the engine.
Owner:HENAN INST OF ENG

Multifunctional car-mounted air conditioner

The invention discloses a multifunctional car-mounted air conditioner which comprises a car-mounted air conditioner body installed on a car. A fixing seat is arranged on the lower side of the car-mounted air conditioner body. The multifunctional car-mounted air conditioner is novel in structure, capable of sufficiently utilizing solar energy and provided with the car-mounted air conditioner body by combining a car skylight structure; and the solar energy generation technology is adopted by the multifunctional car-mounted air conditioner to continuously supply power to a lithium battery and ensure that under the condition of sufficient sunlight, continuous work can be achieved without car starting. According to the multifunctional car-mounted air conditioner, the existing air conditioner integrated machine technology is adopted to adjust and control the temperature inside the car, and additionally an air purifier is arranged, so that air purification in the car is achieved; and meanwhile, a liquid crystal operation panel is arranged, and through a temperature-control timing switch, the temperature in the car is adjusted and controlled. The problem that the air conditioner of the car is started, so that power is insufficient can be solved, and an idea is provided for solving the problems that in blistering summer day, due to outdoor parking for a long time, the temperature in the car needs to be controlled, and air needs to be purified.
Owner:方剑明

Caterpillar-type direct-pushing drilling machine and static sounding all-in-one machine

The invention provides a caterpillar-type direct-pushing drilling machine and static sounding all-in-one machine and mainly relates to the field of environmental modification and geological exploration. The caterpillar-type direct-pushing drilling machine and static sounding all-in-one machine comprises a caterpillar chassis and a platform. One end of the platform is provided with a main direct-pushing drilling machine body, the main direct-pushing drilling machine body is provided with a direct-pushing work device, and the other end of the platform is provided with a static sounding work device. The middle of the platform is provided with a power system, the platform is provided with a hydraulic control system, one side of the platform is provided with an operation table, and the operation table is in signal connection with the hydraulic control system. The caterpillar-type direct-pushing drilling machine and static sounding all-in-one machine has the advantages that the direct-pushing drilling machine and static sounding are integrated on the caterpillar-type platform on the same chassis in a mutual noninterference mode, the problem that the two drilling modes are not compatibleis solved, the adaptability to the site is improved, the all-in-one machine can work in a harsh site environment, the investigation efficiency is greatly improved, and the investigation cost is lowered.
Owner:SHANDONG ACAD OF ENVIRONMENTAL SCI CO LTD +2

Stern structure for internal rotation double-paddle ship

The invention relates to a stern structure for an internal rotation double-paddle ship. The stern structure comprises a pair of small tail fins. In a vertical view, each small tail fin is arranged at a horizontal inclination angle from front to back towards the central axis of a hull, and a pair of supporting shafts in the small tail fins incline at the same angle. The small tail fins inclining inwards conform to the direction of a flow field of a stern, tail water flow separation is reduced, and therefore resistance is reduced. In addition, pre-rotational flow with the rotating direction opposite to that of paddles act on the paddles, so that the rear tail flow rotation of the paddles is weakened or eliminated, and the effects of tail flow energy loss reduction and propelling efficiency improvement are achieved. By the adoption of the stern structure, the tail flow field is effectively improved, the propeller exciting force is reduced, the propeller first-stage exciting force under designed draft is reduced to be below 1.5 kPa, and the ship comfort is improved; the structure is relatively simple, the structure and the size of a tail attaching body are not additionally arranged or changed, and optimization and implementation are better facilitated; and the economical efficiency and rapidness are better considered.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Fault processing method for hub motor distributed driving system

The invention discloses a fault processing method for a hub motor distributed driving system. The method comprises the steps that whether each hub motor fails or not is judged; the torque T of a failure hub motor is adjusted, wherein the torque T of the failure hub motor is larger than 0 and smaller than the actual output torque of the failure hub motor; and the torque of each normal hub motor isadjusted according to the power performance requirement of a vehicle and the stability of the whole vehicle. The failure hub motor torque is controlled through the drive failure factor, on the premisethat the stability of the whole vehicle is maintained, the torque of other hub motors is controlled in combination with the intention of a driver to guarantee the dynamic property of the vehicle, andthe advantage that the distributed drive hub motor vehicle is independent and controllable is brought into play to the maximum extent; the problem that a four-hub motor driven vehicle is insufficientin dynamic property under a failure fault is effectively solved, and the safety and the working efficiency of emergency rescue work are improved.
Owner:DONGFENG OFF ROAD VEHICLE CO LTD +1

Power machine for storing and increasing potential energy

InactiveCN102748251AGravitational potential energy stabilityHigh output speedMachines/enginesMotorsMassive gravityNew energy
The invention relates to a machine which acquires gravitational potential energy and generates durable rotating power by using gravitational attraction resources and belongs to the field of new energy power machines. The machine can acquires the gravitational potential energy by using gravitational attraction and can generate the durable rotating power by control of the movement of the gravitational potential energy. The technical scheme includes that recycling gravitational potential energy is acquired by using overhead racks and a wheel shaft robot, the diameter of the 'wheel' in the wheel shaft is increased to strengthen the gravitational potential energy by multiple times, the gravitational potential energy is converted into the rotating power, a turbine worm reducing machine is used for limiting the speed and controlling the rotating power, enabling the rotating power to be stable and durable, and finally the rotating power is increased to a special rotating speed by a speed increasing machine and output to other machines such as a generator and a stone breaker for working.
Owner:孙云海

Electric pump integrated fuel filter base assembly capable of automatically exhausting

The invention relates to an electric pump integrated fuel filter base assembly capable of automatically exhausting. The electric pump integrated fuel filter base assembly comprises a shell, a filter element assembly and an electric pump. The electric pump integrated fuel filter base assembly is characterized in that the shell comprises a bottom cylinder and an upper cover, wherein a first accommodating cavity is formed in the bottom cylinder; the upper cover is provided with a second accommodating cavity; the upper cover is provided with a plurality of groups of oil inlets and oil outlets; an iron net piece and an annular filter paper piece are arranged in the second accommodating cavity; the side portion of the oil inlet is connected with a reflux pipeline in a communicating mode; the end portion of the reflux pipeline extends to the side wall of the upper cover and is connected with the second accommodating cavity in a communicating mode; an exhaust pipe vertically distributed upwards is arranged in the middle of the reflux pipeline; an exhaust hole is formed in the end portion of the exhaust pipe; and copper sintering is distributed in the exhaust hole. The electric pump integrated fuel filter base assembly capable of automatically exhausting has the beneficial effects that the problem that in the prior art, an existing filter base assembly is difficult to exhaust is solved, the oil circulation rate is increased, and the filtering efficiency is improved.
Owner:RUIAN HUANJIA FILTER CO LTD
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