1833 results about "Motor oil" patented technology

The invention discloses an engine oil carbon deposition sampling detection method and system based on multispectral imaging, and the method comprises the steps: carrying out the collection of a to-be-processed multispectral image of an engine oil sample under a multispectral light source, and carrying out the preprocessing of the image to obtain a to-be-processed image; performing dark current correction on the to-be-processed image according to a band ratio method, and enhancing the signal intensity of the to-be-processed image; calculating the spectral reflectivity of the to-be-processed image according to the signal intensity of the to-be-processed image; extracting a three-dimensional feature tensor in the to-be-processed image according to the spectral reflectivity; segmenting the to-be-processed image according to the three-dimensional feature tensor, and screening a carbon deposition region; calculating a carbon deposition probability value of each pixel point in the carbon deposition area according to the spectral reflectivity; and setting a carbon deposition threshold value according to the carbon deposition probability value for judgment so as to judge whether carbon deposition exists in the engine oil sample or not. The similarity between the sample engine oil spectral reflectivity and the reference engine oil is reflected, and a possible carbon deposition area is found, so that the carbon deposition defect is accurately judged and identified.

The utility model provides an intelligent diesel generating set which comprises a mounting plate, one end of a radiating pipe is fixedly communicated with a water collecting pipe, the bottom of the water collecting pipe is fixedly communicated with a water return pipe, the water return pipe is fixedly communicated with a cooling liquid tank, and a communicating pipe is provided with a one-way valve. A temperature control assembly is arranged, a water pump pumps out cooling liquid in a cooling liquid box, the cooling liquid enters a heat dissipation pipe through a water distribution pipe and exchanges heat with air, the cooling liquid is subjected to heat dissipation and cooling, the cooled cooling liquid flows back into the cooling liquid box through a water return pipe, and low-temperature cooling liquid in the cooling liquid box flows back into the cooling liquid box again through a communicating pipe; and the diesel generator is continuously cooled. When the temperature is low, the water pumps are closed, cooling liquid in the cooling liquid box is not cooled, viscosity of engine oil is reduced, different water pumps are started to cool different diesel generators, independent control over the generator set is facilitated, and it is guaranteed that the temperature of each diesel generator is kept stable.

The invention relates to the technical field of tractor heat dissipation, in particular to a modular integrated tractor heat management method which comprises the steps that an engine radiator, a condenser, an engine oil radiator and a hydraulic radiator are arranged on the air outlet side of a cooling fan with the fan blade angle adjustable in a centralized mode; when the tractor operates in a working condition state, actual temperature data of an engine heat dissipation module, a transmission system heat dissipation module, a hydraulic system heat dissipation module and an air conditioning system heat dissipation module are collected; preset temperature difference data and preset fan rotating speed data corresponding to the working condition state are obtained; calculating an actual temperature difference value corresponding to the preset temperature difference value; and judging the actual temperature difference value of each item and the corresponding preset temperature difference value in real time, and controlling the wind direction and the rotating speed of the cooling fan in real time according to the judgment result. The invention further provides an electro-hydraulic control heat dissipation system applying the thermal management method. Heat dissipation and reverse blowing cleaning self-cleaning are carried out on all radiators of the tractor, the power loss is reduced, and the energy loss is reduced.

The invention provides stamping equipment for automobile engine oil pan production, and belongs to the technical field of oil pan stamping equipment. Which comprises a stamping equipment body and is characterized in that a lower die and an upper die are installed on the stamping equipment body, a first supporting frame is installed on one side of the stamping equipment body, and a second supporting frame is installed on the other side of the stamping equipment body; an automobile oil pan material plate is placed on the top of the first supporting frame. By arranging the auxiliary feeding mechanism and the auxiliary discharging mechanism, the auxiliary feeding mechanism can be utilized, workers do not need to make direct contact with an automobile oil pan material plate, the automobile oil pan material plate can be rapidly and stably transferred to the position between the lower die and the upper die, and accurate alignment can be achieved after transferring, and the automobile oil pan material plate can be reliably placed on the top of the lower die; and compared with a traditional manual handheld plate feeding mode, the feeding device is safer and more reliable.

A turbocharger device relates to the technical field of internal combustion engine supercharging devices and comprises a bearing body, an oil supply pipeline and an integrated bearing. The integrated bearing comprises a pressing end integrated bearing and a vortex end integrated bearing which are arranged in parallel in the axial direction, the bearing body comprises a bearing seat inner wall face, a supporting sleeve is rotationally arranged in the bearing seat inner wall face, and the pressing end integrated bearing and the vortex end integrated bearing are located on the two sides of the supporting sleeve; the pressure end integrated bearing and the vortex end integrated bearing are correspondingly connected with a first oil supply pin and a second oil supply pin which are communicated with inner cavities of the pressure end integrated bearing and the vortex end integrated bearing in the radial direction, and the first oil supply pin and the second oil supply pin are fixed to the bearing body. The split type bearing system is used for solving the problems that although a split type bearing system in the prior art avoids the influence of high temperature, engine oil consumption is large, inner oil film lubrication is insufficient, and cost is high; although an integrated bearing system realizes low cost and structure simplification, the key problems of sufficient lubrication of an inner oil film, high-temperature reliability of a thrust surface and oil control capacity of a gas compressor side are obviously short.

The invention discloses an air compressor control method and device, a controller and a storage medium. According to the specific implementation scheme, the method comprises the steps that under the condition that the internal pressure of the air compressor meets the use requirement of the vehicle, a temperature signal, working time and the rotating speed of the air compressor corresponding to the air compressor are determined; inputting the temperature signal, the working time and the rotating speed of the air compressor into a water content model to obtain the water content of the engine oil of the air compressor; and according to the water content of the engine oil of the air compressor, the operation state of the air compressor is controlled. The temperature signal, the working time and the rotating speed of the air compressor are input into the water content model, the water content of the engine oil of the air compressor is calculated, the water content of the engine oil of the air compressor is monitored in real time, the running state of the air compressor is controlled through the water content of the engine oil of the air compressor, and the problem that the water content of the engine oil of the air compressor cannot be actively controlled in the prior art is solved. The problem of engine oil emulsification in the operation process of the air compressor is solved, and resource waste is reduced.

The invention relates to the field of tunnel early warning, in particular to an adjacent existing line construction disturbance degree evaluation method and system, and the method comprises the steps: determining stress distribution data and damage factor distribution data of regions where an engine oil tunnel and a construction tunnel are located through finite element analysis; then, a disturbance evaluation area between the existing tunnel and the construction tunnel is extracted, stress concentration areas are extracted from the disturbance evaluation area, and after the areas are unstable, large disturbance can be generated on the existing tunnel. And extracting damage factors of the stress concentration area from the damage factor distribution data, and delimiting a possible influence range based on the stratum and the basic information in the construction process. An attenuation model of vibration transmission during operation of the construction tunnel is constructed, and the attenuation model evaluates vibration energy reaching the stress concentration area. And comprehensively evaluating whether the stress concentration area has an instability risk or not by combining the damage factor data of the stress concentration area.

The application discloses a motor oil cooling system and a motor oil cooling method. The motor oil cooling system comprises an oil cooling shell assembly, a stator assembly arranged in the oil cooling shell assembly, and a rotor assembly arranged in the stator assembly and rotationally connected with the stator assembly through a bearing. An end cover assembly is arranged at the right end of the oil cooling shell assembly. A shell oil passage is arranged between the oil cooling shell assembly, the stator assembly and the end cover assembly. A rotor oil passage is arranged in the rotor assembly. A shell oil inlet channel and a shell oil return channel are arranged on the oil cooling shell assembly and are communicated with the shell oil passage. A rotor oil inlet channel is arranged on the rotor assembly and is communicated with the rotor oil passage. The rotor oil passage is communicated with the shell oil return channel. The motor can be efficiently and sufficiently cooled by simultaneously cooling the stator core, the stator winding, the rotor core, the bearing and other heating parts, and the motor has better process performance and cost advantage.

The invention relates to a high and low temperature durability test system for an oil pump. The test system comprises a mold temperature controller assembly, an environment box assembly, an oil pump working cycle assembly, an auxiliary oil tank assembly and a control system. The mold temperature controller assembly can provide medium engine oil with different temperatures, the environmental box assembly can create required high and low temperature environments, the oil pump working circulation assembly realizes flow and pressure adjustment and circulation of oil pumps with different calibers through two independent loops, and the auxiliary oil tank assembly facilitates rapid replacement of test engine oil. And the control system realizes automatic control and parameter monitoring of the whole process. The device can complete various tests such as high-temperature durability, low-temperature durability and high-low temperature cycle durability, has the advantages of low cost, rich test conditions, flexibility in operation, high safety, high adaptability and the like, and effectively improves the research and development test efficiency of the oil pump.

The utility model discloses an inner cooling oil chamber, oil cooling piston and engine, including: inner cooling oil chamber body, including oil chamber body lower part and oil chamber body upper part, oil chamber body upper part at least includes first vortex area and second vortex area, first vortex area is closer to piston center than second vortex area, and the first vortex area is closer to piston center than second vortex area. The second vortex region is closer to the piston ring groove than the first vortex region. Engine oil is sprayed into the oil inlet channel through an engine oil pump and enters the inner cooling oil cavity body through the oil inlet channel. Along with rapid and high-frequency up-and-down movement of the piston, engine oil continuously collides with the upper wall face and the lower wall face of the inner cooling oil cavity body under the action of inertia force, part of the engine oil impacts the first vortex area to form a first vortex, and part of the engine oil impacts the second vortex area to form a second vortex. The contact area of engine oil and the inner cooling oil cavity body is increased, the flowing speed of the engine oil in the vortex area is higher, a better cooling effect is generated, the temperature of a piston can be more effectively reduced, and the phenomenon that the engine oil in the inner cooling oil cavity is coked is reduced.

The utility model discloses an oil-gas separation mechanism and an engine, the oil-gas separation mechanism comprises an air inlet cam shaft, a chain wheel, a centrifugal separation disc and a breather pipe, and the air inlet cam shaft is provided with a first channel penetrating through the two ends of the air inlet cam shaft; the chain wheel is meshed with a timing chain of an engine and used for driving the air inlet cam shaft to rotate. The centrifugal separation disc is connected with one end of the air inlet cam shaft and provided with a separation cavity, the separation cavity communicates with the first channel, fan blades are arranged in the separation cavity, the centrifugal separation disc rotates to suck mixed oil gas into the separation cavity, and the fan blades guide gas into the first channel and throw engine oil out of the separation cavity. The breather pipe communicates with the end, away from the centrifugal separation disc, of the first channel and is used for exhausting gas in the first channel. According to the oil-gas separation mechanism, the oil-gas separation structure can be arranged on the air inlet cam shaft, the space occupied by the oil-gas separation structure in an engine is reduced, the internal structure of the engine is simplified, and the manufacturing difficulty and manufacturing cost of the engine are reduced.

The invention discloses a service life prediction method of an automobile shock absorber, and relates to the technical field of service life evaluation. The method comprises the steps that the engine speed, the torsional amplitude value, the engine oil temperature and the load torque are collected, and an engine parameter set is formed after preprocessing; standard parameters of engines of the same model are collected, a frequency spectrum peak value is obtained by processing torsional amplitude values in a parameter set, and the resonance frequency of the engines is calculated by combining the standard parameters; constructing a damper operation state threshold model based on an STL time sequence decomposition method, inputting engine oil temperature and load torque to obtain a threshold, comparing resonant frequency with the threshold, and determining a damper damping state; the torsional vibration change rate is calculated and compared with standard parameters of the same model to obtain the working state of the shock absorber; and constructing a shock absorber life prediction model based on an accumulative damage theory, inputting a damping state, a working state and an engine parameter set, and outputting residual life. According to the method, the multi-dimensional real-time working condition parameters are considered, so that the residual life of the automobile shock absorber is predicted more accurately.

The invention discloses an engine multi-vehicle-type adaptive NVH quality optimization method and system, and belongs to the technical field of automobile engine debugge.The method comprises the steps that after an engine is installed on a to-be-adapted vehicle, vehicle working condition data are collected in real time, the vehicle working condition data comprises a vehicle speed, an accelerator opening degree, an engine rotating speed, a gear, a hydraulic torque converter locking state and an engine oil temperature signal; the vehicle working condition data is compared with the working condition of the engine noise sensitive working condition, and whether the engine noise sensitive working condition is entered or not is recognized; when the engine has the noise sensitive working condition, an NVH control strategy embedded in an engine electronic control unit is activated; the NVH control strategy comprises adjustment of an engine ignition angle and oil injection parameters; the engine is controlled according to the ignition angle optimization control instruction and the oil injection parameter optimization instruction; and when the vehicle runs out of the working condition of the noise sensitive working condition of the engine or gear shifting is completed, the conventional combustion control logic is recovered. And the rising rate of the pressure in the cylinder is effectively reduced, so that the structural knocking noise within the range of 150-600Hz is inhibited.

The invention provides an electrically-driven cooling system, a control method and a vehicle. The electrically-driven cooling system comprises a motor oil way, a gearbox oil way, a first heat exchanger and a second heat exchanger. The first heat exchanger is connected with a motor oil way and a gearbox oil way and used for achieving heat exchange between the motor oil way and the gearbox oil way. One end of the second heat exchanger is connected with the motor oil way, and the other end of the second heat exchanger is connected with the whole vehicle cooling water way and used for transferring heat of the motor oil way to the whole vehicle cooling water way; oil in the motor oil way sequentially flows through the first heat exchanger and the second heat exchanger and then flows to the motor, and oil in the gearbox oil way flows through the first heat exchanger and then flows to the gearbox. Heat collaborative management between the motor system and the gearbox system can be achieved, and the problems of low energy efficiency, poor working condition adaptability and the like caused by independent heat dissipation of the motor and the gearbox in a traditional electric drive system are solved.

The invention provides a hierarchical dynamic control method and system for an oil pump fault mode, and the method comprises the steps: monitoring an actual oil pressure signal and a plurality of working condition parameter signals of an engine in real time, and carrying out the calculation based on the plurality of working condition parameter signals to obtain a target oil pressure signal; the difference value between the actual engine oil pressure signal and the target engine oil pressure signal is calculated, and whether the difference value is larger than a preset abnormal threshold value or not is judged; if the abnormal value is larger than the preset abnormal threshold value, it is judged that the oil pressure of the engine is abnormal, and whether the oil pressure abnormity belongs to the emergency situation or not is further judged; if the condition does not belong to the emergency condition, triggering early warning of a corresponding level according to the value of the difference value; if the non-highest-level early warning is triggered, the oil pressure state is detected again after preset time, and if the oil pressure is abnormal and still not recovered, a specific fault mode is diagnosed; and according to the diagnosed fault mode, the corresponding preset control strategy is called to control the fully variable oil pump, and the misjudgment rate is reduced.

The invention relates to the technical field of automobile oil-gas separators, and discloses an active oil-gas separator, an oil-gas separation method and an automobile. The fine separation module comprises a driving structure, a separation rotor and a first bearing, and the separation rotor comprises a rotating shaft, an impeller, filter cotton and a bypass valve; the impeller is provided with a first oil-gas channel and a second oil-gas channel, and the bypass valve blocks a top opening of the second oil-gas channel. An oil baffle cover is arranged on the impeller, and is used for blocking a path from the second oil-gas channel to the first bearing; a third oil-gas channel is arranged between the oil blocking cover and the first bearing, a sealing cover is arranged at the upper end of the first bearing, and the sealing cover blocks the path, leading to the inner cavity of the first bearing, of the third oil-gas channel. The active oil-gas separator has the advantages that the active oil-gas separator can prevent clean lubricating grease in the bearing from being scoured and polluted, and separated engine oil and hydrocarbon can be discharged in time.

The invention discloses a compatible system for an MT test bench to adapt to an AT transmission and a test method, and belongs to the technical field of transmission test. The system comprises a driving motor base translation mechanism, a driving motor, a simulation crankshaft, a 6-to-8 adapter flange, a tested AT transmission, an oil pressure collection box, an engine oil external circulation device and the like. Mechanical adaptation is achieved through a 6-to-8 adapter flange and an I-shaped telescopic transmission shaft, a gear box can be switched between a constant speed mode and a speed reduction mode to adapt to different gears, a motor base translation mechanism is driven to adjust the coaxiality, and the oil temperature is controlled to be 105 + / -5 DEG C through an engine oil outer circulation device; the test method comprises the steps of preprocessing, assembly connection, initialization setting, test operation, monitoring recording and resetting, tests comprise a running-in test and a fixed gear durability test, oil pressure data are transmitted in two paths, and automatic shutdown is carried out when abnormity occurs. By transforming the idle MT rack, AT transmission test compatibility is achieved, and the advantages of improving the resource utilization rate, reducing the cost, enhancing the test adaptability and reliability and the like are remarkable.

An oil distribution system for an internal combustion engine valvetrain includes a rocker arm base member and a base plate. The rocker arm base member includes a distribution slot disposed into a base lower surface, a plurality of receiving holes extending from a sidewall and / or from the base upper surface of the rocker arm base member into the distribution slot, and a plurality of oil distribution holes passing from the distribution slot through the base upper surface. The base plate being configured to cover at least a portion of the base lower surface including at least a portion of the distribution slot. In operation, the distribution slot receives oil from the plurality of oil receiving holes, passes at least a first portion of the oil to the plurality of oil distribution holes, and the plurality of oil distribution holes discharge at least a second portion of the oil past a base upper surface to provide lubrication to a portion of a rocker arm or other valvetrain components.

Oil filters used in automotive vehicles come in different sizes and may be located at varying positions on the engine which differ in terms of ease of access. Due to such variability, multiple specialized tools have typically been required to remove installed oil filters from automotive engines, including various sized pliers, straps, bands and the like, the selection of the tool depending on the location and size of the oil filter, and the angle of approach required. An oil filter removal tool is now provided which has at least two sets of opposing gripping regions, the two sets being in perpendicular orientation relative to each other. Advantageously, the oil filter removal tool may be used to approach and grasp the oil filter from an axial or radial direction, and may be used with different sizes of oil filters.

The invention provides an engine control method and device, a computer readable storage medium and a vehicle. The method comprises the steps that under the condition that an engine is in an idling working condition, the opening degree of an exhaust gas recirculation valve of the engine and the opening degree of a throttle valve of the engine are adjusted to the corresponding preset opening degrees correspondingly; the idling working condition is the working condition of non-load operation of the engine; after the opening degree of the exhaust gas recirculation valve and the opening degree of the throttle valve are adjusted to the corresponding preset opening degrees correspondingly, the pressure of an intake manifold of the engine is obtained; under the condition that the pressure of the intake manifold is smaller than or equal to the pressure threshold value, the opening degree of the exhaust gas recirculation valve and the opening degree of the throttle valve are increased, so that the pressure of the intake manifold is larger than the pressure threshold value, and the problem that in the prior art, the engine oil consumption generated by pumping engine oil is high due to the fact that the pressure of the intake manifold is low under the engine idling working condition is solved.

The utility model relates to the field of conducting rings, in particular to a conducting ring for an oil cooling shaft, which comprises a conducting ring casting, the conducting ring casting is of an annular structure, the inner wall of the conducting ring casting is fixedly connected with a mounting ring, carbon fiber yarns which are arranged at equal intervals are mounted on the mounting ring, and shaft static electricity is transmitted to the conducting ring casting through the carbon fiber yarns. According to the utility model, shaft static electricity generated by the motor rotating shaft is transmitted to the conductive ring casting by using the carbon fiber yarns and is further transmitted to the motor shell, so that the shaft static electricity is effectively prevented from being accumulated on a bearing or other conductive parts, the risks of local overheating and bearing abrasion are reduced, the operation reliability of the motor is remarkably improved, and the service life of the motor is remarkably prolonged. Through the arrangement of the rubber oil baffle plate, not only is excessive engine oil prevented from being in contact with the carbon fiber yarns, but also the rubber oil baffle plate is convenient to replace and clean through the detachable locking nut and positioning block structure, and the maintenance cost and time are reduced.

The present application belongs to the technical field of hydrogen engine, and particularly relates to an emulsified machine oil demulsification device and method for hydrogen engine, which can be used for solving the problem of emulsified machine oil of hydrogen engine in cold start or low temperature environment. The device comprises a vortex tube system, an emulsified machine oil heating system, an oil-gas separation system and a double-oil tank interaction system. The vortex tube system is communicated with the engine exhaust pipe to deliver exhaust heat to the emulsified machine oil heating system, and phase change material is used to realize constant temperature heating of the emulsified machine oil. Under the joint action of constant high temperature and demulsifier, efficient demulsification of the emulsified machine oil is realized. At the same time, the cold gas output by the vortex tube system is beneficial to the liquefaction and discharge of the separated water vapor. The double-oil tank interaction system can separate the emulsified machine oil and non-emulsified oil, so that the machine oil passing through the hydrogen engine oil pump is non-emulsified oil, and the normal lubrication of the hydrogen engine is ensured. The energy of the whole system comes from the engine exhaust energy, without additional energy, which conforms to the idea of energy saving and emission reduction.

The utility model provides a running-in flushing device for an air blower, which is provided with an oil storage pool, an oil purifying device, a middle oil tank, an oil pump and an oil quantity control overflow device, the oil purifying device sucks oil from the inside of the oil storage pool through an oil pipe, the air blower is arranged on one side of an oil outlet of the oil pump, and an air blower oil tank is arranged on the air blower. The oil quantity control overflow device is located on one side of the air blower oil tank and used for adjusting the oil quantity in the air blower oil tank, and the set oil quantity of the oil in the air blower oil tank is continuously kept. The device can effectively purify oil in the oil storage pool, the cleanliness of engine oil is improved, the purified engine oil is used for carrying out running-in flushing on the interior of the air blower, damage to parts such as gears, bearings and seals or hydraulic components such as pump valves in a hydraulic system caused by pollutants in the oil can be avoided, and the service life of the air blower is prolonged. The service life of the blower is prolonged; and the sealing reliability is improved. The device can be widely applied to running-in washing of internal parts of the air blower.

The internal combustion engine piston comprises a piston body, an inner cooling oil cavity is formed in the piston body, a groove is formed in the top of the inner cooling oil cavity and extends upwards from the top of the inner cooling oil cavity, the groove is filled with a heat conduction block, and the heat conduction block is used for conducting heat of the part, located above the inner cooling oil cavity, of the piston body to the inner cooling oil cavity. The heat conductivity of the heat conduction block is higher than that of the piston body, so that more heat is transferred to the inner cooling oil cavity from the top of the piston in unit time, the heat transfer speed of the heat of the part, located above the inner cooling oil cavity, of the piston body to the inner cooling oil cavity is increased, the heat taking efficiency of engine oil is improved, and the piston cooling capacity of the inner cooling oil cavity is improved. The problems of abnormal temperature of the piston, carbon deposition, clamping stagnation of movement of the ring group and the like are avoided, and heat dissipation of the piston in the movement process is met.

The invention discloses an engine cold starting method, device and equipment of a hybrid vehicle and a storage medium, relates to the technical field of engine control, and discloses the engine cold starting method of the hybrid vehicle, which comprises the following steps: acquiring the charge state of a battery and the lubricating oil temperature of an engine; identifying a target cold start control mode according to the charge state or the lubricating oil temperature; according to the target cold start control mode, the operation state of at least one of an electromagnetic valve switch, a heat exchanger water inlet pipeline, a heat exchanger, a driving motor water outlet pipeline, a driving motor water inlet pipeline and a heat exchanger water outlet pipeline is controlled, and whether the vehicle meets the engine start condition or not is detected; and when the vehicle meets the engine starting condition, the engine is controlled to be started. Accurate control during cold start of the engine of the hybrid vehicle is achieved, engine oil preheating and start time is optimized, then the cold start efficiency of the engine is improved, and cold start energy consumption and emission are reduced.

The invention discloses an anti-sliding friction force testing device under the action of high-temperature hot air, which comprises a loading sealing device, an air circulation heating system, a static force loading system and a temperature measuring system, the loading sealing device comprises a bearing frame, a bottom plate, a lower flange gland, a test piece, an upper flange gland, an upper exhaust cabin, a disc type loading tool, an upper pressing plate, a window and a window pressing plate, the air circulation heating system comprises a heating system and a ventilation system, and the air circulation heating system is connected with the loading sealing device through a circulation pipeline; the static force loading system comprises an oil source control upper computer, an oil source, a cooler, a hydraulic substation, a static force loading upper computer, a servo oil cylinder, a servo controller and a switching cabinet, and the temperature measurement system comprises a thermocouple sensor, a data acquisition instrument and a temperature measurement upper computer. The test system can be widely applied to the sliding friction resistance test of various wrapped interlayer assembly structures in normal temperature and high temperature states and the design and construction of the test system.

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of a high-cold-weather-resistant graphene modified asphalt waterproof coiled material, which comprises the following steps: adding first matrix asphalt, second matrix asphalt, graphene and engine oil, heating and stirring; adding SBS-T6302H, stirring and mixing at a target temperature according to preset stirring parameters, adding rubber powder, and passing through a colloid mill to obtain a mixture; transferring the mixture into a stirring tank, adding fly ash, stirring, detecting the final viscosity, transferring the obtained product into a glue preparation tank, stirring, molding, cooling and sizing to obtain the waterproof coiled material. Determining the colloid particle size and the colloid viscosity in the stirring process, and constructing a uniformity model according to the preset stirring parameters, the colloid particle size, the colloid viscosity and the paddle diameter to determine the dispersion standard coefficient of the modifier; collecting a coiled material surface image to determine defect characteristics so as to adjust a basic cooling temperature; and performing a low-temperature flexible test to determine a test qualification rate, and determining an adjustment mode of the preset stirring parameters according to the dispersion standard coefficient and the test qualification rate.

A novel supercharged engine general arrangement structure relates to the technical field of engine research and development. A valve chamber cover and oil filler cap assembly and a rear cam bearing cap assembly are arranged above the engine body; a synchronous chain housing assembly, a generator, a crankshaft pulley assembly and an air conditioner compressor are arranged at the front end; an intake manifold assembly, an electronic throttle body, a thermostat and housing assembly, a fuel gas injection rail assembly and an oil rail assembly are arranged on the intake side; a turbocharger assembly, a three-way catalyst assembly, a water pump and adapter assembly and a water inlet pipe and O-shaped ring assembly are arranged on the exhaust side; a small circulation water return steel pipe assembly, an oil cooler connecting pipe assembly, a flywheel shell assembly and a flywheel disc and gear ring assembly are arranged at the rear end of the flywheel shell assembly; and an oil pan and an oil filter are arranged below. According to the structure that the supercharged engine with the fuel gas and fuel oil dual-fuel supply with the displacement of 2.0 L is overall arranged at the inclination angle of 0-10 degrees, the whole engine is compact in arrangement and integrated in design, and the energy-saving and environment-friendly requirements are met.

The invention discloses an engine oil temperature control lubricating system for a hybrid electric vehicle, and belongs to the field of engine lubricating systems. Comprising a main oil duct, an engine oil pan, an engine oil pump and an oil duct pipe set, the engine oil pan is used for storing engine oil, the engine oil pump is used for pumping the engine oil in the engine oil pan, and the oil duct pipe set communicates with the engine oil pump and the main oil duct and comprises a first oil duct and a second oil duct which are arranged in parallel; the heater is opened to heat engine oil flowing through the first oil duct when the engine oil temperature is lower than a second preset temperature, and is closed when the engine oil temperature is higher than or equal to the second preset temperature; and the second oil duct comprises a second temperature control valve, and the second temperature control valve is opened when the temperature of the engine oil is larger than or equal to the second preset temperature, so that the engine oil further flows into the main oil duct through the second oil duct. When the engine of the hybrid electric vehicle is in cold start, the temperature of the engine oil can be rapidly increased through the heating piece, so that abnormal sound and abrasion of the engine when the temperature of the engine oil is too low can be well improved.