50 results about "Radiator (engine cooling)" patented technology

This utility model discloses an opening structure for a top cover, belonging to the field of heavy vehicle engine cooling. It includes a top cover plate with a ventilation structure. The ventilation structure includes ventilation holes on the surface of the top cover plate, and an air guide assembly is provided on the cover of the ventilation holes. The air guide assembly is open on one side. By providing a ventilation structure including ventilation holes, an air guide assembly, and a protective assembly on the top cover plate, the airflow direction can be changed by the air guide assembly, preventing hot air from directly flowing back to the radiator and improving heat dissipation efficiency.

The utility model discloses a diesel engine cooling system cleaning device, and belongs to the field of diesel engine radiator cleaning.The cleaning device comprises a base frame and a cleaning box arranged on the base frame, a water pump box used for supplying water is arranged at the upper end of the cleaning box, and a movable door plate used for fixing a radiator is arranged at one end of the cleaning box; a cleaning mechanism is arranged in the cleaning box, a plurality of pulleys are arranged at the lower end of the base frame, and the cleaning mechanism comprises two groups of positioning seats arranged on the base frame at equal intervals and driving gears rotationally mounted on the positioning seats; after a water pump in a water pump box applies pressure to supply water, the water enters a liquid guide cavity through a liquid guide pipe and a liquid receiving pipe and is dispersed to supply water to a corresponding fixing frame and a liquid spraying nozzle to wash a radiator located in the center, and in the washing process, a servo motor is started to drive a gear to rotate to drive a liquid guide circular plate to rotate; and the flushing range is wider, the flushing effect is more uniform and comprehensive, and the cleaning efficiency is better.

The invention discloses a two-way waste heat recovery cooling control system and method for a hybrid power forklift in the technical field of hybrid power forklift cooling systems, and the system comprises an engine heat dissipation loop which comprises a radiator assembly and an engine assembly which are connected end to end; the motor electric control heat dissipation loop comprises an engine assembly, a first electronic control valve, a plate heat exchanger and a first electronic water pump which are connected end to end in sequence; the engine heat exchange branch comprises a plate heat exchanger, a second electronic control valve, a motor master control assembly and a second electronic water pump which are connected end to end in sequence; and the motor electric control assembly heat exchange branch comprises a radiator assembly, a second electronic water pump, a motor master control assembly and a third electronic control valve which are connected end to end in sequence. The technical problems that in the prior art, a hybrid power forklift is poor in cold starting performance and low in waste heat recovery efficiency can be solved.

The invention discloses an engine thermal management system, engineering machinery and a thermal management system control method, and belongs to the technical field of engine heat dissipation. In the thermal management system, an engine, a water pump and a radiator are connected to a main circulation heat dissipation loop, and a temperature sensor is installed at a water outlet of the engine; the phase change heat storage loop is connected to the two ends of the radiator in parallel and connected with a first control valve and a phase change unit, and the phase change unit is connected with the radiator in parallel through the first control valve. A second control valve and a waste gas heat exchanger are connected to the waste gas waste heat recovery loop, and a cooling liquid passage of the waste gas heat exchanger is connected with the main circulation heat dissipation loop in parallel through the second control valve; the controller is configured to be used for receiving engine operation parameters and engine water temperature signals collected by the temperature sensor and controlling the rotating speed of the water pump and the opening and closing states of all the control valves according to the received data, switching of the cold start warm-up working condition, the normal heat dissipation working condition and the high-load auxiliary heat dissipation working condition is achieved, and the heat efficiency of the engine is improved.

The invention discloses a fuel cell engine cooling system, a vehicle and a monitoring method, and relates to the technical field of vehicles. The system comprises an electric pile, a radiator, a water pump, an expansion water tank, a deionizer, a plurality of flowmeters and a plurality of pressure sensors, the galvanic pile, the radiator and the water pump are sequentially connected to form a first loop; the electric pile, the deionizer and the water pump are sequentially connected to form a second loop; a water supplementing opening of the expansion water tank is connected to the first loop, a first water return opening of the expansion water tank is connected to the second loop, and a second water return opening of the expansion water tank is connected to a pipe section connected with a cooling liquid outlet of the galvanic pile; the plurality of flow meters comprise a first flow meter at the inlet of the radiator and a second flow meter at the cooling liquid inlet of the electric pile, and the plurality of pressure sensors comprise a first pressure sensor at the outlet of the radiator and a second pressure sensor at the cooling liquid inlet of the electric pile. Through flow and pressure monitoring, the probability that the fuel cell engine fails to start or the reaction does not reach the standard at low temperature can be reduced.

The utility model belongs to the technical field of thermal management of automobiles, and particularly relates to an engine cooling system and an automobile, a water cooling jacket assembly of the system comprises a cylinder cover water jacket, a cylinder body water jacket and a built-in water channel, and the built-in water channel is provided with a water channel water inlet, a water channel water outlet and a bypass connector; the cylinder cover water outlet is sequentially connected with a first pipeline, a thermolator, a radiator, a third pipeline and a first water pump; the first pipeline is provided with a fourth pipeline connected to the warm air module, and the fourth pipeline is provided with a sixth pipeline connected to the bypass connector. The engine oil cooler is connected with the cylinder body water outlet and the EGR cooler, the EGR cooler is connected to the water channel water inlet, and the water channel water outlet is connected to the first water pump. According to the engine cooling system, the built-in water channel is arranged in the water jacket assembly, the built-in water jacket can be communicated with the EGR cooler, the warm air module and the water pump, long pipelines between parts at different positions can be omitted, the structure of the engine cooling system is simpler and more compact, and the engine cooling system can meet different thermal management requirements.

The application discloses an engine cooling system and a thermostat structure, which comprises an engine cooling system body port and a thermostat body, wherein the engine cooling system body port is composed of a thermostat mounting seat, a connecting pipe, a radiator, a radiator fan, a temperature sensor, a fan assembly, a cooling liquid separator and a water pump; the fan assembly is mounted on the radiator; two groups of radiator fans are mounted on the fan assembly; a radiator pipe and the temperature sensor are mounted on the fan assembly; the thermostat body is mounted on the thermostat mounting seat of the engine cooling system body port; and the water pump is mounted on the end of the thermostat mounting seat. The engine cooling system and the thermostat structure have the advantages that the pressing seat is clamped inside the containing groove, the pressing seat and the containing groove are both provided in an S-shaped section, the pressing seat and the containing groove are sealed through a sealing gasket, and the pressing seat is locked through a fixing bolt, so that liquid paraffin is prevented from overflowing between the pressing seat and the containing groove, paraffin is prevented from overflowing, and the reliability of the thermostat body is improved.

The application discloses an engine heat dissipation system, method and engineering machinery, and solves the technical problems of difficult cooling power matching of a radiator and high temperature of a power cabin affecting ECM performance and service life of an engine when a high-power engine water radiator and an intercooling radiator share a set of cooling fans. The application relates to an engine heat dissipation system, wherein the engine is arranged in a power cabin, the engine water radiator and the air inlet intercooling radiator adopt an up-down structure arrangement, the intercooling radiator is arranged inside the power cabin, the water radiator is arranged outside the power cabin, the water radiator wind guide cover adopts an inclined angle structure design, hot air is discharged upwards, hot air backflow is avoided, and the temperature of the power cabin is effectively reduced. The two radiators adopt hydraulic motor driven heat dissipation fans for independent heat dissipation, the flow of the heat dissipation motor is adjusted to realize stepless speed regulation of the fans, and reasonable control of the water temperature of the engine system, the air inlet temperature and the cabin temperature is achieved.

The invention relates to a water pump and thermal management system integrated structure, and belongs to the technical field of engine cooling. The integrated structure comprises an engine cylinder cover, a cooling water pump arranged on the engine cylinder cover, a water pump cover body covering the cooling water pump in a sealing mode and a radiator, the water pump cover body is provided with a cooling cavity allowing the cooling water pump to be installed, and the cooling cavity is communicated with an inner flow channel of the engine cylinder cover. The water pump cover body is further provided with a leakage water storage cavity, the leakage water storage cavity is communicated with an overflow hole of the cooling water pump, and evaporation holes communicated with the leakage water storage cavity are formed in the water pump cover body. The leaked water storage cavity plays a role in temporarily storing slight leakage generated by the water pump, the probability that cooling liquid leaks to other parts of an engine is reduced, and the service life of the engine is prolonged.

The utility model belongs to the technical field of thermal management of automobiles, and particularly relates to an opposed engine cooling system and an automobile. The opposed engine cooling system comprises a water pump, a water-cooled jacket assembly, a temperature sensor, a thermolator, a radiator, a supercharger, an engine oil cooler and a warm air module; wherein the water cooling jacket assembly comprises an external water jacket, a water jacket and a cylinder cover water jacket, the water jacket and the cylinder cover water jacket are oppositely arranged, the engine oil cooler is connected to one of the first pipelines and the external water jacket through an eighth pipeline, and the supercharger is correspondingly connected to the cylinder body water jacket and the external water jacket through a ninth pipeline. According to the technical scheme, the external water jacket is arranged in the water jacket assembly of the opposed engine cooling system, the external water jacket can be communicated with the water pump, the engine oil cooler and the supercharger which are located on the different sides of the engine, long pipelines between parts at different positions can be omitted, the structure of the cooling system is simpler and more compact, and the cooling efficiency is improved. And the opposed engine cooling system can realize multiple cooling liquid circulation modes so as to meet different thermal management requirements.

This utility model provides a combined air-water-oil radiator for mining trucks, relating to the field of radiator technology. It integrates air-cooled, water-cooled, and oil-cooled modules within a single frame, effectively combining the functions of cooling the turbocharger intake, the engine cooling system's coolant, and the vehicle's required oil circuit cooling. This significantly reduces the space occupied by traditional independent radiators and simplifies the overall vehicle cooling system layout. Each cooling module uses multiple parallel cooling tubes, combined with a cooling fan fixed to the front of the frame, enabling efficient cooling of air, water, and oil, ensuring stable operation of the engine and related oil circuit components under complex and harsh conditions. An expansion tank fixed to the top of the frame allows for convenient addition of coolant to the water-cooled module. The high degree of integration of the overall structure not only reduces installation difficulty but also facilitates subsequent maintenance, solving the problems of large space occupation and complex installation and maintenance in existing mining truck cooling systems.

The invention relates to the technical field of motorcycle engines, in particular to a water-cooled motorcycle engine cooling water passage structure which comprises a cylinder body, a second box body is fixedly connected to the top end of a first box body, the second box body is communicated with a radiator through a first pipeline, and a circuit switching mechanism is arranged in the second box body. The circuit switching mechanism comprises a bimetallic strip, the bottom end of the bimetallic strip abuts against a push rod, the bottom end of the push rod penetrates through the copper plate and is fixedly connected with a movable column, a through groove is formed in the movable column, and the upper portion of the front side of the movable column is slidably connected with a connecting block. The top end of the second pipeline is fixedly connected to the bottom end of the first pipeline, the flowing path of part of cooling liquid can be actively changed through the path changing mechanism, and therefore part of cooling liquid with the high temperature is replaced with standby cooling liquid, and the situation that the overall temperature exceeds the effective action range of the radiator due to the fact that the volume of the cooling liquid is limited is prevented.

The application discloses an engine cooling system, which comprises an electronic water pump, a water cooling jacket assembly, a pipeline assembly, a temperature regulator and a radiator, wherein the electronic water pump, the water cooling jacket assembly, the temperature regulator and the radiator are connected through the pipeline assembly to form a closed circulation loop so that the cooling medium forms a circulation and realizes engine heat dissipation; the engine cooling system disclosed by the application is improved and optimized in structure and circulation mode of the cooling medium, so that only the cooling medium of the cylinder head participates in the circulation during the warming-up process, the temperature rises rapidly, emission and winter heating are facilitated, and the function of rapid warming-up after cold start is realized.

The invention relates to a cooling device, an aero-engine and an aircraft, belongs to the technical field of aerospace, and solves the problems that a water flow channel in a radiator in an engine cooling device is blocked, the surface of the radiator is covered by attachments, and the radiator cannot be cleaned in time, so that the engine is over-temperature and power is reduced. The device comprises a radiator and a fan, the radiator comprises a fin part and a fixing piece; the fin part comprises a plurality of fins capable of synchronously rotating; the fan is arranged on the air outlet surface of the radiator; when the fins rotate, airflow generated by the fan acts on the fins in the rotating state so as to remove attachments on the surfaces of the fins. Water flow channels and fin surfaces in the radiator can be cleaned in time, and the reliability of the radiator is improved.

The utility model relates to diesel engine technical field especially discloses a vehicle diesel engine cooling device for high temperature environment, and high and low temperature environment cabin inner surface is fixedly connected with test bench, and the diesel engine body is arranged on the upper end of test bench, and the one end of high and low temperature environment cabin upper end is fixedly connected with adjustable speed fan near the diesel engine body, and the heat dissipation efficiency (such as fin radiator, fan wind speed matching) of air -cooled diesel engine body under extreme high temperature is directly evaluated through test, ensures that the cooling capacity satisfies the design requirement, verifies whether the temperature of key components such as cylinder body, cylinder cover, piston is lower than material tolerance limit, prevents the deformation or cracking caused by thermal stress, simulates high temperature scene such as desert, plateau, verifies the stability of diesel engine body under continuous high load working condition, exposes design defect in advance through test, reduces high temperature failure rate after product is put on the market, reduces after-sales maintenance service.

This utility model discloses a gasoline engine cooling structure, including a first housing with an impeller fan mounted on it. The first housing has an internal cavity containing a radiator, and a second housing surrounds the radiator. The inner wall of the first housing and the impeller fan form a first airflow channel to cool the radiator. A second airflow channel is formed between the radiator and the second housing, and the second and first airflow channels merge to form a third airflow channel to cool the cylinder head. This utility model effectively solves the noise problem associated with external radiators. Simultaneously, the radiator is located inside the first housing, increasing the cooling airflow and improving its cooling efficiency. It also reduces cooling air waste. Furthermore, the airflow is gathered through the first, second, and third airflow channels to cool the engine cylinder head, improving the utilization efficiency of the cooling air.

The invention discloses a hybrid electric vehicle thermal management system based on a four-way reversing valve and a three-way proportional valve in the technical field of hybrid electric vehicle thermal management, which comprises a battery temperature adjusting loop, an engine cooling loop, a first engine branch, an electric drive cooling loop and a four-way reversing valve, the electrically-driven cooling loop comprises a motor waste heat absorption pipeline and a three-way proportional valve, and a radiator pipeline and a bypass are arranged between an outlet of the motor waste heat absorption pipeline and two inlets of the three-way proportional valve. In the process of heating the battery pack, when the engine waste heat is sufficient, the engine waste heat is transferred to the battery temperature adjusting loop through the first branch of the engine; when the waste heat of the motor is sufficient, the four-way reversing valve transmits the waste heat of the motor to the battery temperature adjusting loop, the three-way proportional valve adjusts the flow of the radiator loop and the bypass according to the temperature of engine cooling liquid, the waste heat of the engine and the waste heat of the motor are fully used, and it is ensured that the battery pack can rapidly and stably reach the target temperature.

Provided is an engine cooling system capable of securing a margin up to the heat resistance limit of an engine by means of pre-cooling when deceleration is performed when it is predicted that high-load travel in which the engine needs to be cooled is performed. The engine cooling system is provided with an electric water pump for circulating a coolant between an engine and a radiator of a vehicle, and a grille damper which is provided in front of the radiator and has an adjustable opening degree. When it is predicted that the engine is traveling at a high load on the basis of a high-load traveling history including position information on the map of the vehicle when the engine of the vehicle is in a high load in the past, and current position information on the map of the vehicle, opening control of the grille damper is performed when the vehicle is decelerated, and opening control of the grille damper is performed when the vehicle is decelerated. And rotational speed increase control of the electric water pump is performed.

The utility model provides a kind of oil radiator cover with baffle structure and engine cooling system, belong to engine cooling system technical field, including cover shell body, the cover shell body has the inner cavity for accommodating oil radiator core part, and is provided with cooling liquid inlet and outlet, the position of the inner cavity close to cooling liquid inlet is provided with the baffle structure for guiding cooling liquid to flow to the lower area of oil radiator core part, and the upper edge of baffle structure and the upper end surface of oil radiator core part installed in the inner cavity form the top gap with height 3±0.5mm.The utility model significantly increases the effective cooling liquid flow and heat exchange efficiency of radiator core part area, to substantially improve the heat transfer capacity of oil radiator as a whole.Although the top gap is reduced, it slightly increases water side pressure drop, but after weighing, its contribution to the improvement of heat transfer performance is much greater than the influence of pressure drop increase, finally improves the comprehensive performance of radiator.

The utility model discloses a amphibious vehicle engine cooling device, include: engine, be equipped with water outlet and backwater mouth on it, water propeller, including propeller casing and be placed in the drainage port of propeller casing rear end, and the outer wall of drainage port is equipped with side drainage port, heat exchanger, including first fluid side and second fluid side, first fluid side is connected between the backwater mouth and water outlet of engine, and second fluid side water inlet end is connected with side drainage port, and second fluid side water outlet end is connected with the drain pipe. The scheme passes through external water source circulation cooling engine's cooling water, makes full use of external water source, need not set up water cooling module inside, has effectually improved the cooling efficiency of cooling system, saves energy source, and water cooling module and radiator series connection cooling, has effectually improved the cooling efficiency of cooling system, reduces the energy consumption caused by radiator fan.

The invention belongs to the technical field of vehicle cooling and heat dissipation, and discloses a mining dump truck engine cooling system which comprises a power take-off generator, a power takeoff arranged on a gearbox at the free end of an engine of a dump truck and used for converting mechanical energy of the engine into electric energy. The electric motor is connected with the power take-off generator through a power transmission system and is used for rotating the electric motor through electric energy; the cooling fan is mechanically connected with the electric motor and is used for rotating under the driving of the electric motor so as to cool engine cooling liquid in a radiator of the dumper; the temperature sensor is arranged on the radiator and used for sensing the temperature of engine cooling liquid in the radiator; the controller is connected with the temperature sensor and the electric motor and used for controlling the rotating speed of the electric motor according to the temperature, sent by the temperature sensor, of the cooling liquid. According to the mining dump truck engine cooling system, belt quick-wear parts, imported large-torque clutches and hydraulic transmission system high-pressure pipelines do not exist, maintenance is convenient, operation is safe, the energy conversion efficiency is higher, and more energy conservation and environmental protection are achieved.

An engine cooling device includes: a block lower portion that is a lower portion of a cylinder block; a block upper portion that is an upper portion of the cylinder block; a cylinder head of the engine; an exhaust cooling portion that cools an exhaust gas of the engine; a radiator that dissipates heat of a coolant; a first path that bypasses the radiator to cause the coolant to circulate through the block lower portion, the block upper portion, the cylinder head, and the exhaust cooling portion; a second path that bypasses the block lower portion to cause the coolant to circulate through the radiator, the block upper portion, the cylinder head, and the exhaust cooling portion; and a flow rate control mechanism that increases a flow rate of the coolant flowing through the second path with respect to a flow rate of the coolant flowing through the first path.

This invention relates to a thermal management system for range-extended special vehicles, comprising an engine cooling water circuit and a battery cooling water circuit. The engine cooling water circuit includes multiple engine cylinders with outlets connected to a manifold. One or more engine cylinders have inlets connected to an oil cooler. The inlets of the remaining engine cylinders and the oil cooler are connected to a first water pump. The inlet of the first water pump is connected to a radiator. The outlet of the manifold is connected to a thermostat. The first and second outlets of the thermostat are connected to the inlets of the radiator and the first water pump, respectively. The battery cooling water circuit includes a battery assembly, a second water pump, and a cooling unit connected sequentially. The thermostat's heater inlet is connected to a third water pump and a liquid heater. The outlet of the liquid heater is connected to the inlet of the oil cooler. This system has the advantages of simple structure, convenient control, safety, reliability, and high practicality, and can meet the vehicle's starting requirements in low-temperature environments.

The invention discloses an integrated self-propelled small berry harvester gantry chassis and a harvester comprising the chassis. The integrated self-propelled small berry harvester gantry chassis comprises a rack, a transmission power system, a walking device, a steering device and a driving control device, the rack is of an inverted-U-shaped gantry structure, and the walking devices are symmetrically arranged at the front end and the rear end of the rack. The driving control device is located at the top of the front end of the rack. The transmission power system is located in the middle of the top of the rack. The steering device is located on the two walking devices at the rear end. The transmission power system comprises an engine, a power output wheel, a belt transmission device, a speed reducer, a hydraulic pump set and an engine radiator; the engine outputs power to the power output wheel, the power output wheel drives the speed reducer to rotate through the belt transmission device, the speed reducer drives the hydraulic pump set to work, the hydraulic pump set controls the whole chassis to move, and then power is provided for a whole machine hydraulic system. Heat dissipation of the hydraulic system of the whole machine is achieved through a hydraulic cooling oil tank installed on one side of an engine cooling fan.

The invention provides an oil filter and oil radiator integrated base, which relates to the technical field of automobile engine lubricating systems and comprises an integrated bottom plate, an oil radiator and an oil filter. An engine oil circulation channel and a cooling liquid circulation channel are integrated in the integrated bottom plate, and a mounting plane and graded mounting holes are arranged outside the integrated bottom plate. The engine oil radiator is fixed to the integrated bottom plate and the engine body through bolts, and an oil inlet and an oil outlet of the engine oil radiator are in sealed butt joint with an engine oil inlet radiator channel and an engine oil outlet radiator channel of the integrated bottom plate respectively. Engine oil enters the engine oil circulation channel through an engine oil inlet of the integrated bottom plate, enters the engine oil radiator through the engine oil radiator inlet channel to be cooled, flows back to the engine oil circulation channel through the engine oil radiator outlet channel, is filtered through the engine oil filter and then is conveyed to an engine component. Cooling liquid enters the cooling liquid circulation channel from the water pump connector through cooling water, provides a cold source for the engine oil radiator and flows back to the engine cooling liquid loop through the cooling water leading to the engine body connector.

The application discloses an engine cooling system, which comprises a water pump, an engine cooling water circuit, an electronic temperature regulator, a radiator and a cylinder body valve; the outlet of the water pump is communicated with the inlet of the cylinder head; the electronic temperature regulator has an inlet cavity and a distribution cavity; the inlet cavity has an inlet I communicated with the outlet of the cylinder head and an outlet I communicated with the inlet of the radiator; the distribution cavity has an inlet II communicated with the outlet of the radiator and an outlet II communicated with the inlet of the water pump; the distribution cavity and the inlet cavity are communicated through a liquid passing hole, a plug is arranged in the distribution cavity, the plug is controlled to communicate the liquid passing hole and the inlet II, or the plug is controlled to block the liquid passing hole or the inlet II; the cylinder body valve is arranged on a channel communicated with the cylinder body cooling channel and the inlet cavity; the engine cooling system can optimize the current radiator arrangement, solve the problem of severe water jacket temperature oscillation and reduce the structural arrangement difficulty.

This application provides a compact explosion-proof diesel engine monorail crane engine fuel supply and cooling system, relating to the field of coal mine machinery and equipment technology. It includes a main frame and an engine body, main radiator, auxiliary radiator, main fuel tank, and auxiliary fuel tank mounted on the main frame. The main radiator and auxiliary radiator are both located to the left of the engine body, and the main fuel tank and auxiliary fuel tank are both located above the engine body. Through this novel engine fuel supply system, the original single standard square fuel tank is innovatively split into two independent main fuel tanks and auxiliary fuel tanks. Similarly, through this novel engine cooling system, the original single integrated radiator is innovatively split into two main radiators and auxiliary radiators connected in parallel with cooling water circuits. This fully utilizes the locomotive's space, resulting in a more compact main frame, higher space utilization, larger fuel capacity, higher fuel cleanliness, and stronger engine body cooling performance.

The invention provides a thermal management control method and device, electronic equipment and a computer readable storage medium. The method comprises the steps that the current first gas rail temperature of a gas rail is obtained; when it is detected that the first gas rail temperature is smaller than a first preset temperature threshold value, the current first engine water temperature of the engine is obtained; and when it is detected that the first engine water temperature is within the preset temperature range, the engine cooling system is controlled to execute a first control strategy, and the first control strategy is used for reducing the second cooling liquid flowing into the radiator and further used for increasing the cooling liquid flow of the engine cooling system. Under the condition that the temperature of the gas rail is low, the temperature of the gas rail can be rapidly and efficiently increased, and the combustion efficiency and safety of a vehicle are ensured.