1719 results about "Oil filter" patented technology

The invention discloses a hydroelectric oil filter fault diagnosis system and method based on blind source separation, and relates to the technical field of fault diagnosis, and the system comprises a data acquisition module, a self-adaptive preprocessing module, a diagnosis engine module, a digital twin model library and an application module. The data acquisition module synchronously acquires multi-source heterogeneous observation signals; the self-adaptive preprocessing module carries out preprocessing by adopting self-adaptive variational mode decomposition based on an intelligent optimization algorithm; the diagnosis engine module comprises a multi-physical-quantity deep fusion unit, a dynamic source number estimation unit and an online blind source separation unit, the multi-physical-quantity deep fusion unit performs deep fusion on heterogeneous data through a physical information self-encoder to generate a high-dimensional feature matrix, and the dynamic source number estimation unit adopts a three-layer layered structure to perform online estimation on the number of source signals; an independent component analysis algorithm driven by the running state of the on-line blind source separation unit; and a complete diagnosis process is realized. The problem that a traditional method is low in diagnosis precision under strong noise, multi-source coupling and dynamic working conditions is solved.

The invention discloses an intelligent operation and maintenance system, method and equipment for steam turbine lubricating oil and a storage medium, and relates to the technical field of industrial digital intelligent operation and maintenance. Zero loss and low delay of data are guaranteed through the data transmission module, and the data fault problem of traditional manual meter reading is solved; static parameters are converted into dynamic trend, residual life and abnormal early warning through a hybrid model of a visual cloud operation and maintenance module, and intelligent conversion from data to decision is realized; and the oil filtering execution module automatically responds to the instruction to complete closed-loop treatment from polluted oil liquid to clean oil liquid without manual intervention, so that real-time monitoring and intelligent analysis of the running state of the steam turbine are realized, an oil filtering system is automatically started when a set threshold value is reached, the oil liquid is ensured to be in a normal state, the maintenance cost is reduced, and the operation and maintenance efficiency is improved.

The comprehensive cleaning equipment for the oil filter comprises a cleaning pool, a plurality of cleaning bins capable of allowing the filter to be placed therein are arranged in the cleaning pool in a matrix mode, and a dynamic cleaning mechanism is arranged in each cleaning bin. The dynamic cleaning mechanism comprises a rotary supporting assembly used for containing the filter and a flushing assembly used for cleaning the filter, in the working state, the rotary supporting assembly is matched with the flushing assembly to drive the filter to rotate, and the flushing assembly is provided with a water spraying channel arranged in the tangential direction of the surface of the filter. High-pressure water flow is guided to act on the surface of the filter in the tangential direction through the water spraying channel, cleaning liquid in the cleaning bin is promoted to form a rotational flow state, the filter rotates on the rotary supporting assembly, comprehensive cleaning is guaranteed, and deep dirt is removed through centrifugal force.

The invention belongs to the technical field of hydraulic systems, and discloses a drive-by-wire full-hydraulic system and method and a steering method. Wherein the drive-by-wire full-hydraulic system comprises an integrated control valve module, the integrated control valve module is connected with a hydraulic oil tank, an oil filter and an electric control full-hydraulic steering gear module, the electric control full-hydraulic steering gear module is connected with a control module and a wheel angle sensor, and the hydraulic oil tank is sequentially connected with an electronic oil pump and the oil filter; according to the system, hydraulic oil leakage can be effectively prevented, the safety risk is remarkably reduced, natural resources and the ecological environment are protected, consistency and synchronization of actual steering and steering required by control are achieved, steering controllability is improved, and system safety is further improved.

The invention provides a neon removal system for producing high-purity helium, and particularly relates to the technical field of gas purification, and the neon removal system for producing the high-purity helium comprises a circulation unit and a purification unit, wherein the circulating unit comprises a compressor, an oil filtering device, a first heat exchanger, a second heat exchanger, a first adsorber group, a third heat exchanger, an expansion machine and a fourth heat exchanger; the circulating unit further comprises a liquid nitrogen source, a pipeline of the liquid nitrogen source is connected with one inlet of the second heat exchanger, and the liquid nitrogen source is connected to the outside from an outlet of the second heat exchanger; the purification unit comprises a first heat exchanger, a second heat exchanger, a third heat exchanger and a second adsorber group, through pre-cooling of the liquid nitrogen source and expansion of the expansion machine, the raw material helium is cooled to 20 K, then freezing condensation separation is conducted through the second adsorber group in the 20 K temperature zone, and high-purity helium which is lower in neon content and meets the requirement can be obtained.

The invention discloses a double-loop defoaming type oil return filter, and relates to the technical field of oil return filters, the double-loop defoaming type oil return filter comprises a treatment tank, a third channel pipe and a fourth channel pipe, the third channel pipe and the fourth channel pipe are communicated with one side of the treatment tank, and ports of the third channel pipe and the fourth channel pipe are jointly communicated with a double-loop oil inlet pipe; the first channel pipe and the second channel pipe are arranged on the other side of the treatment tank. When the piston module telescopically moves, the third channel pipe, the fourth channel pipe, the second channel pipe and the first channel pipe are switched and opened under the action of the first one-way valve plate, and the circulation paths of the double-loop oil inlet pipe and the double-loop oil outlet pipe are correspondingly switched; meanwhile, the working states of the filtering assemblies in the third channel pipe, the fourth channel pipe, the second channel pipe and the first channel pipe are switched, so that the efficient filtering process is realized.

The utility model discloses a motorcycle engine crankshaft box body with an oil separation chamber, which comprises a crankshaft box body formed by connecting a left crankshaft box body and a right crankshaft box body, crankshaft mounting holes and balance shaft mounting holes are arranged on the left crankshaft box body and the right crankshaft box body, and the crankshaft mounting holes and the balance shaft mounting holes are distributed in a pairwise corresponding mode. An oil collecting chamber is arranged at the lower end in the crankcase body, and the balance shaft mounting hole is arranged close to the maximum oil liquid level position of the oil collecting chamber; the bottom of the oil collection chamber is provided with an oil separation chamber which is arranged close to the balance shaft mounting hole, the upper end of the oil separation chamber is close to the maximum oil liquid height of the oil collection chamber, and one side, far away from the balance shaft mounting hole, of the oil separation chamber is provided with an oil inlet hole; an engine oil filter screen is arranged in the oil separation cavity, and an oil guide channel with one end communicated with the oil separation cavity and the other end communicated with an oil inlet of the engine oil pump is arranged on the side of the oil separation cavity.

The invention belongs to the technical field of aircraft hydraulic pipeline pressure pulsation and vibration suppression design, and particularly relates to an aircraft hydraulic pipeline pressure pulsation and vibration suppression system and a design method thereof.The aircraft hydraulic pipeline pressure pulsation and vibration suppression system comprises a vibration absorber, a pressure accumulator, a rubber single-hole pipe clamp and a metal single-hole pipe clamp; the vibration absorber, the pressure accumulator, the rubber single-hole pipe clamp and the metal single-hole pipe clamp are arranged on the hydraulic pipeline, and the rubber single-hole pipe clamp and the metal single-hole pipe clamp are connected to the machine body structure through the pipeline support. An inlet of the hydraulic pipeline is connected with an outlet of the hydraulic pump, and an outlet of the hydraulic pipeline is connected with an inlet of the hydraulic load. The vibration absorber is arranged at an inlet of the hydraulic pipeline, close to an outlet of the hydraulic pump and located on the upstream of the one-way oil supply valve, and the pressure accumulator is arranged between the high-pressure oil filter and the hydraulic load; a plurality of rubber single-hole pipe clamps and a plurality of metal single-hole pipe clamps are distributed on the hydraulic pipeline.

The utility model relates to a hydraulic oil filtering device, which belongs to the technical field of filters and comprises a case, a filter screen cylinder and a driving mechanism, and a limit ring is fixed on the inner bottom surface of the case; the filter screen cylinder is arranged in the case in the height direction of the case, the bottom end of the filter screen cylinder is rotationally connected into the limiting ring through a bearing, and a plurality of connecting frames are fixed in the filter screen cylinder at intervals; the driving mechanism comprises a motor and a driving rod; the motor is fixed on the top surface of the case; the driving rod is arranged in the machine box and fixed to the multiple connecting frames, and the top end of the driving rod is in transmission connection with an output shaft of the motor through a coupler. The motor is used for driving the filter screen cylinder to rotate through the driving rod and the connecting frames, and as the top opening end of the filter screen cylinder is positioned below the dirty oil inlet hole, centrifugal force can be generated in the filter screen cylinder when the filter screen cylinder rotates, so that the speed of hydraulic oil passing through meshes of the filter screen cylinder is increased, and the filtering time of the hydraulic oil is shortened; the filtering efficiency of hydraulic oil is improved.

An air dryer cartridge including a desiccant container and a desiccant contained in the desiccant container is provided. The desiccant container includes a wall forming an oil filter receptacle recessed into the desiccant container. The air dryer cartridge includes an insertion opening for insertion of at least a portion of an oil filter into the oil filter receptacle.

The invention provides a cooling and lubricating system, a vehicle and a control method of the cooling and lubricating system. The system comprises an oil pan and a conveying pipeline, and the inlet end of the conveying pipeline communicates with the oil pan; the power element, the filtering element, the driving element, the heat exchange element and the speed reduction element are sequentially arranged on the conveying pipeline in the conveying direction of lubricating oil. The outlet end of the conveying pipeline communicates with the oil pan. The temperature detection part is arranged between the filtering element and the driving element so as to detect the real-time temperature of the lubricating oil filtered by the filtering element; and the controller is connected with the temperature detection part so as to control at least one of the rotating speed of the power element, the rotating speed of the driving element, the rotating speed of the speed reduction element and the heat exchange efficiency of the driving element according to the real-time temperature. And the size is huge.

The present invention provides an integrated device for solid-liquid and oil-water separation of kitchen waste, belonging to the technical field of kitchen waste treatment. The device includes a pretreatment filter screen, a solid-liquid separation filling area, a solid-liquid separation oil filtering area, a solid-liquid separation cleaning area, an oil pump, a shallow pond separation area, a bubble oil removal area, an oil tank and a water tank. The pretreatment filter screen is arranged at the front end of the device, and the solid-liquid separation filling area is arranged behind it. The solid-liquid separation oil filtering area and the solid-liquid separation cleaning area are sequentially arranged behind the solid-liquid separation filling area. The solid-liquid separation oil filtering area is connected to the shallow pond separation area through an oil pump. The bubble oil removal area is arranged behind the shallow pond separation area, and the oil tank and the water tank are connected behind the bubble oil removal area. The device separates and processes the solid-liquid mixture by using the three-way rotation centrifugal method at the source of kitchen waste, and performs multi-stage separation treatment on the oil-water mixture by applying the shallow pond theory, realizing the recycling of kitchen waste and avoiding environmental pollution caused by oil-water leakage during transportation.

The utility model relates to a pulse type oil filter which comprises a machine shell, a filter element and a shell cover, an upper supporting plate is installed at the upper end of the filter element, an annular groove is formed in the shell cover, a plurality of oil inlet channels communicated with the annular groove are formed in the bottom of the shell cover, and adjusting valves are arranged in the oil inlet channels. Magnet blocks used for driving the adjusting valves are fixedly installed on the upper supporting plate and correspond to the adjusting valves in a one-to-one mode, and the adjusting valves are located under the oil inlet channel. According to the pulse type engine oil filter, the adjusting valve is arranged in the oil inlet channel, the adjusting valve is driven by matching with the magnet block arranged on the filter element, the flow / flow speed of engine oil flowing into the machine shell through the oil inlet channel can be dynamically adjusted, and therefore the filter element can keep up-down pulse type movement for a long time in the machine shell; therefore, large-scale impurity enrichment at a certain position of the filter element is effectively avoided, and the magnet block can also adsorb a part of iron-containing impurities; finally, the effects of effectively prolonging the service life of the filter element and reducing the replacement frequency of the filter element are achieved.

The utility model discloses an oil filter inner chassis punching forming device which comprises a workbench, the rear side of the top of the workbench is fixedly connected with a connecting block, and the front side of the connecting block is fixedly provided with a punching machine. According to the oil filter inner base plate punching device, the oil filter inner base plate is placed on the top of the supporting ring, then the rotating disc, the connecting rod and the rotating rod are used in cooperation, the sliding L-shaped plate clamps and fixes the outer side of the oil filter inner base plate, and then the porous punch can punch the oil filter inner base plate; the inner chassis of the oil filter can be clamped in the punching process by adopting a rotary inner support clamping structure and multi-hole punching, so that the multi-hole punching is performed on the inner chassis of the oil filter, the time is saved, the clamping and fixing are performed, the accuracy is improved, the danger caused by manual supporting and fixing is avoided, and the production efficiency is improved. Therefore, the purpose of improving the quality and the efficiency of the inner chassis of the oil filter during processing is achieved.

The utility model belongs to the technical field of instant noodle processing, and particularly relates to a fried wheaten food production oil filtering device which comprises a conveying frame, a net-shaped conveying belt is arranged in the conveying frame, a motor is fixedly installed on the rear surface of the conveying frame, and an oil filtering box is fixedly installed on the top face of the conveying frame. An air heater is fixedly mounted on the top surface of the oil filtering tank, and the air outlet end of the air heater is fixedly connected with an air outlet pipe; a hot air blower is arranged, the top end of an air outlet pipe is fixedly connected with a rectangular pipe, the bottom face of the rectangular pipe is fixedly connected with a plurality of connecting pipes, and by starting the hot air blower, hot air can be continuously blown out towards the passing crisp noodles through the air outlet pipe on the bottom face of the cloth distribution frame and a spray head; and residual oil on the surfaces of the dry and crisp noodles can quickly flow into the oil collecting tank under the action of hot air, and the surfaces of the instant noodles are blown by high-temperature airflow to blow away attached grease, so that the aim of improving the oil filtering effect of the dry and crisp noodles is fulfilled.

The invention provides an oil piston air compressor. The oil piston air compressor comprises a machine shell, two sets of compression cylinders and two oil filtering shells. Crankshaft cavities are formed in the two ends of the machine shell correspondingly, a driving cavity is formed between the two crankshaft cavities, and the two crankshaft cavities communicate with each other through a release cavity located below the driving cavity. The two compression cylinders are connected to the machine shell and correspondingly communicate with the two crankshaft cavities, and air inlet cavities are formed in the ends, away from the crankshaft cavities, of the compression cylinders. The two oil filtering shells are buckled on the machine shell in a sealed mode and form volume cavities above the two crankshaft cavities respectively, and at least one layer of perforated plate is arranged in each volume cavity. Wherein the two crankshaft cavities are correspondingly communicated with the two volume cavities through breathing channels respectively, and the two volume cavities are communicated with one air inlet cavity through an air cooling pipe respectively. According to the oil piston air compressor, the overall lubricating effect of the compression cylinder can be improved, the dry grinding phenomenon caused by insufficient lubrication of the compression cylinder is avoided, and therefore the normal working life of the air compressor is prolonged, and the working efficiency of the air compressor is improved.

The invention belongs to the technical field of air compressor accessories, and particularly relates to an air compressor oil filter which comprises a shell, filter paper is coaxially mounted in the shell, a rotary cover and an end cover are arranged at the two ends of the filter paper respectively, the air compressor oil filter further comprises a partition plate, and the partition plate is arranged at the position, close to the end cover, in the shell. A backwashing opening is formed in the center of the partition plate, a bypass opening is coaxially formed in the center of the end cover, a frustum is arranged in the center of the rotary cover, a sealing assembly capable of sealing the frustum and the bypass opening at the same time is movably installed in the shell, and an engine oil connector used for backwashing filter paper is connected to the end, away from the end cover, of the partition plate of the shell. Engine oil for backwashing the filter paper circularly flows between the interior of the shell and the engine oil connector; according to the invention, the normal use of the air compressor oil filter can be ensured by regularly backwashing the filter paper without disassembling the shell or replacing the filter paper, so that the service life of the air compressor oil filter is effectively prolonged.

The invention discloses a normally-closed type oil blocking ventilation plug, and belongs to the technical field of ventilation plugs. The ventilation plug is provided with a connector body serving as a middle device, a dustproof cover is arranged outside the connector body, and the connector body is internally inserted into a transmission. A valve element structure is arranged between the connector body and the dustproof cover and connected with the connector body and the dustproof cover through elastic pieces, an oil absorption rod used for absorbing oil is arranged in the valve element, an oil guide rod is arranged in the connector body, and an oil filter element is arranged on the lower portion of the connector body. Through the arrangement of the structure, three layers of structures for preventing oil liquid from being transmitted outwards are arranged along the transmission from inside to outside, the first layer is the oil filter element, the second layer is the oil guide rod, the third layer is the oil absorption rod, when the dustproof cover is jacked up and gas is transmitted outwards, through the three layers of structures, the exhaust effect can be guaranteed, and meanwhile the exhaust efficiency is improved. And the oil liquid is prevented from being discharged.

This invention discloses an oil-immersed transformer with an oil passage cleaning function, comprising a housing for mounting the core and windings, an oil conservator at the upper end of the housing, an oil pump on the side wall of the housing, a blockage-clearing filter assembly for unblocking and cleaning the oil passages on one side of the housing and the oil conservator, a conduit and a trigger assembly for circulating oil connecting the housing and the oil conservator, and a controller at the upper end of the housing. This invention has a simple structure and reasonable design. Firstly, by controlling the pipe diameter, larger winding insulation impurities cannot leave the oil conservator and housing during normal circulation. Then, by adjusting the transformer oil circulation path, the blocking winding insulation impurities are guided into the oil filter for filtration and removal. This avoids prolonged overload and damage to the oil pump or other circulation equipment, effectively extending the service life of the oil pump and circulation equipment and reducing maintenance costs.

The utility model belongs to the technical field of water-turbine generator set speed regulation system control, and provides a 2 + 3 mode multi-redundancy speed regulation system, which comprises an electrical control component and an execution component, the execution component comprises a double-fine oil filter, a self-centering motor device, a main distributing valve, a first servo proportional valve, a second servo proportional valve, a double-proportional-valve switching valve, a motor / proportional valve switching valve, an emergency stop hydraulic valve and an emergency stop electromagnetic valve. According to the utility model, a proportional valve and stepping motor redundancy control mode or a double-servo proportional valve redundancy control mode and the like can be flexibly selected according to requirements, various fault conditions occurring in the operation process of equipment can be easily handled, and the reliability and the control stability of the equipment are greatly improved.

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 utility model discloses a centrifugal oil filter which comprises a supporting plate, a filtering mechanism and a deslagging mechanism, a filtering container is arranged at the upper end of the supporting plate, an L-shaped supporting plate is arranged on the right side of the lower end of the supporting plate, and a material guide pipe is arranged on the front side of the upper end of the L-shaped supporting plate; the filtering mechanism comprises a filtering barrel and filtering holes, the filtering barrel is rotationally connected between the upper inner wall and the lower inner wall of the filtering container, the uniformly distributed filtering holes are formed in the outer wall of the filtering barrel, a rotating joint is arranged at a discharging opening in the lower end of the filtering barrel, and the lower side of the rotating end of the rotating joint is fixedly connected with the upper end of a material guiding pipe; the residue discharging mechanism comprises a rotating shaft, a spiral piece and scraping plates, the rotating shaft is rotationally connected to the bottom wall of the material guiding pipe, the outer wall of the rotating shaft is fixedly sleeved with the spiral piece, and the scraping plates which are evenly distributed are arranged at the upper end of the rotating shaft. And the oil filtering working efficiency is improved.

The utility model provides a compressor structure. The compressor structure comprises a compressor shell, an oil groove, an oil gas barrel, a motor, a first mounting seat, at least one oil filter, a second mounting seat and at least one fine oil separator, the compressor shell is provided with a compression cavity. The compressor shell, the oil groove and the oil gas barrel are of an integrated casting forming structure. The motor and the first mounting base are arranged on the two opposite sides of the compressor shell correspondingly. The first mounting base is provided with an oil-gas flow channel, and the compression cavity communicates with the oil-gas barrel through the oil-gas flow channel. The oil filter is arranged on the first installation base and communicates with the compression cavity through the first installation base. And the second mounting seat is arranged on the oil gas barrel. And the oil fine separator is arranged on the second mounting seat and is communicated with the oil gas barrel through the second mounting seat. Therefore, the compressor structure provided by the utility model is beneficial to improving the oil gas separation effect.

The utility model relates to the technical field of oil-containing wastewater treatment, and discloses an oil-removing device for oil-containing wastewater treatment of an oil and gas field, which comprises a tank body, and a cleaning mechanism and an oil filtering mechanism are arranged in the tank body; the cleaning mechanism comprises a tank cover, a connecting frame and a feeding pipe are fixedly connected to the top of the tank cover, an electric push rod is fixedly connected to the interior of the connecting frame, a scraping plate is fixedly connected to the output end of the electric push rod, a feeding frame is fixedly connected to the top of the feeding pipe, and a filter screen is fixedly connected to the inner wall of the feeding frame. The oil filtering mechanism comprises a supporting ring, and an oil-water separation filter element is arranged at the top of the supporting ring; a discharge pipe is fixedly connected to the bottom of the tank body, and a first switch valve is mounted in the discharge pipe. According to the oil-removing device for oil-containing wastewater treatment of the oil and gas field, residual oil stains and impurities on the inner wall of the tank body are automatically cleaned, the labor intensity of operators is reduced, the cleaning effect is guaranteed, and secondary pollution is avoided.

The invention discloses a lubricating oil system of an aviation turboprop engine. The lubricating oil system comprises a lubricating oil supercharging device, an oil-gas separation device, a lubricating oil return device, a lubricating oil filtering device, a lubricating oil monitoring device and a connecting guide pipe communicating all the devices. The lubricating oil supercharging device comprises a main lubricating oil pump, an auxiliary lubricating oil pump and a torque measuring pump; the oil-gas separation device comprises a ventilation oil tank, an air separator and an oil mist separator; the lubricating oil return device comprises a lubricating oil tank, a lubricating oil radiator, a middle and rear bearing oil well pump, a transmission box oil well pump and a direct-current electric lubricating oil pump; the lubricating oil filtering device comprises a lubricating oil filter and a middle-rear bearing oil return filter; the lubricating oil monitoring device comprises a temperature metal chip annunciator and a magnetic chip detection annunciator. Appropriate lubricating oil pressure and oil quantity are provided, lubrication and heat dissipation of friction surfaces of parts in an engine are improved, and the use reliability of the engine is improved.

The utility model discloses a double-heating type diesel oil filter assembly which comprises a base located at the top, a middle shell and a lower shell are sequentially connected to the base downwards, a cylindrical filter element is arranged in the middle shell, an annular oil inlet cavity is defined by the circumferential surface of the filter element and the middle shell, a base inner cavity communicated with the oil inlet cavity is formed in the base, and the lower shell is arranged in the base. A bottom cavity is formed in the lower shell and is communicated with the oil outlet cavity through a hydrophobic net; an upper heater is arranged in an inner cavity of the base, a lower heater is arranged in a bottom cavity of the base, the upper heater is connected with an upper connector, and the lower heater is connected with a lower connector; the upper heater is connected with a vehicle-mounted circuit through an upper connector, and the lower heater is connected with the vehicle-mounted circuit through a lower connector. The diesel oil heater is simple in structure, diesel oil is heated at the upper end and the lower end at the same time through the upper heater in the inner cavity of the base and the lower heater in the bottom cavity, the oil temperature can be effectively increased, the heating requirement of a diesel oil filter in a high cold area is met, and it is guaranteed that the diesel oil has low viscosity and good fluidity; and the fuel supply requirement of the diesel engine is met.

The utility model relates to a lubricating oil circulating device for a gearbox of a drilling machine, which belongs to the technical field of drilling machines, comprises a gearbox and a hydraulic motor mounted on the gearbox, and is characterized by further comprising an oil pump, a filter cup and an oil collecting box which are mounted on the surface of the gearbox, oil suction ports are formed in the surface of the gearbox; the oil suction port is communicated with the filter cup through an oil pipe I; the filter cup is communicated with the oil pump through an oil pipe II; the oil pump is communicated with the oil collecting box through an oil pipe III; and the oil collecting box outputs a plurality of oil pipes. The oil pump and the oil pipe are arranged outside the gear box to form a lubricating oil circulating device, lubricating oil can be pumped to the bearing position at the high position through the oil pump and the oil pipe, a bearing at the bearing position at the upper end of the rotating shaft of the power head can be well lubricated in time, and good work and operation of the power head are guaranteed.

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 belongs to the technical field of transmission cooling and lubricating, and relates to a transmission rear end forced lubricating and cooling system of a parallel hydrodynamic retarder and a transmission. Comprising a retarder support, a rear cover, an oil pump, a power takeoff side cover, a rear bearing cover, an oil pump diverter valve, a cooling lubricating oil way, an oil filtering plug screw and a net type oil filter. The oil pump diverter valve is used for being connected with an external heat exchanger, oil in an oil way is cooled, the temperature of lubricating oil is effectively reduced, and thermal safety of parts in the box body is guaranteed. Under the condition that other structures of the gearbox are not added, all-directional lubrication inside a rear-end transmission system is achieved, and the structural compactness and the space utilization rate are improved. Lubricating points of the lubricating system are comprehensively covered, oil duct connection of different shells is achieved through butt joint of the cross-joint-surface oil ducts, the lubricating system is compact in design, and the comprehensive performance, safety and reliability of a transmission system are improved in the aspects of heat dissipation, cooling, fatigue and efficiency of the system.

A novel suction filter comprises a body used for filtering oil liquid, a filtering layer, an oil filtering cavity and an oil outlet cavity are arranged in the body, the oil outlet cavity is formed by the filtering layer and an upper shell of the body, and an oil outlet communicated with the oil outlet cavity is formed in the upper shell; the oil filtering cavity is formed by a filtering layer and a lower shell of the body, the right end of the body is a flat portion, the thickness of the flat portion is smaller than that of the left end of the body, an oil inlet channel is formed in the flat portion, and the oil inlet channel and the oil filtering cavity are arranged in the body in a left-right parallel mode and communicated with each other. The oil inlet channel is communicated with an oil inlet formed in the lower shell at the flat part, and the oil outlet cavity is located on the left side of the body, so that oil sequentially passes through the oil inlet, the oil inlet channel, the oil filtering cavity, the filtering layer, the oil outlet cavity and the oil outlet and then is discharged out of the body; the oil filtering cavity and the oil outlet cavity are both arranged on the left side of the body and communicated with the oil filtering cavity through the oil inlet channel in the flat part, so that the oil inlet requirement can be met, and the oil filter can adapt to a specific installation space.