2338results about "Engine cooling apparatus" patented technology

Provided is an automotive surge tank. The surge tank comprises a tank body defining an interior volume, the tank body including a first tank portion and a second tank portion, the surge tank also having a coolant inlet and a coolant outlet provided on the tank body. The interior volume of the tank body is subdivided into an inlet chamber, and outlet chamber, and at least one intermediate chamber, the surge tank being configured to direct an inflow of coolant into the inlet chamber at a level that is below the minimum operable fluid level of the surge tank.

A fluid exchanger may exchange a fluid (e.g., coolant) in a reservoir (e.g., vehicle radiator) by removing or withdrawing a first fluid (e.g., old, spent, used, etc.) and by introducing a second fluid (e.g., new, clean, etc.). In some examples, the exchanger includes a valve construction that permits easy and safe transitioning from a first mode in which the fluid in the vehicle is run in a loop (e.g., after a cleaner is introduced) to a second mode in which the fluid is exchanged. In some examples, the exchanger includes a restrictor that stops fluid from flowing when the pressure fails to satisfy a threshold (e.g., where the pressure is below a threshold). In some examples, the exchanger includes a safety valve (e.g., ball valve) in the bottom of the new fluid tank, such that when the tank is empty, the valve will close and reduce the likelihood of unintentionally pushing air into the system (e.g., emptying the reservoir).

The invention discloses an air cooling system of an engine and the engine, the air cooling system comprises an engine body and a cooling system, the cooling system comprises a fan assembly, and the fan assembly comprises a fan and a fan cover provided with an air outlet I; the wind scooper is used for forming a cooling air duct for cooling the engine body, and the cooling air duct communicates with the air outlet I; the flow guide piece is arranged in the cooling air duct and used for forming a cooling air branch air duct to distribute and guide the cooling air to the area, close to the air inlet side, of the cylinder head spark plug I; according to the air cooling system of the engine and the engine, the air guide cover is connected with the fan cover, so that the cooling air channel for cooling the cylinder body and the cylinder head is formed, sufficient cooling of the cylinder body and the cylinder head can be achieved, meanwhile, the cooling effect on a spark plug can be improved by arranging the flow guide piece to guide cooling air to the spark plug area of the cylinder head, and the service life of the engine is prolonged. The utilization rate of cooling air is increased, heat dissipation of all parts of the engine is uniform, and therefore the requirements for dynamic property, economical efficiency and reliability of the engine are met.

The invention relates to the technical field of box type diesel generating sets, in particular to a box type diesel generating set with a damping structure. Comprising a bottom frame, the bottom frame is fixedly connected with a plurality of fixing pins, the fixing pins are jointly connected with a bearing table in a sliding mode, the bearing table is provided with an engine and a generator, the engine is provided with an output shaft, the generator is provided with an input shaft, the output shaft is fixedly connected with a first fixing ring, and the first fixing ring is fixedly connected with a fixing column. The input shaft is fixedly connected with a second fixing ring. The mode that an existing coupler structure is replaced by active connection is adopted, so that when the diesel engine transmits power to the generator through a coupler, the generator cannot rotate along with an output shaft of the diesel engine under the action of viscous engine oil in the generator, and the diesel engine cannot drive the generator to rotate temporarily; therefore, the damage risk of mechanical parts in the diesel engine is reduced.

The invention discloses a hub, an impeller, a fan and a vehicle. The hub comprises a mounting part. The two sides of the mounting part in the axial direction of the mounting part are an air inlet side and an air outlet side respectively; a pollution discharge surface is formed on the mounting part, and is obliquely arranged in the direction from the air inlet side to the air outlet side. Therefore, the pollution discharge surface is arranged on the mounting part, so that sand and dust on the air inlet side and the air outlet side can flow away along the pollution discharge surface, deposition of the sand and dust in the mounting part is avoided, and the situation of clamping stagnation or abnormal sound caused by uneven stress of the hub due to deposition of the sand and dust on the hub is reduced.

The invention relates to the technical field of diesel generators, in particular to an environment-friendly low-noise diesel generator set. Comprising a unit, the unit is provided with a generator, the unit is provided with a heat dissipation plate, the unit is fixedly connected with a fixed shell, a cooling shell is slidably connected into the fixed shell, an electric control motor is fixedly connected into the fixed shell, the fixed shell is provided with a gearbox, the fixed shell is rotationally connected with a first gear with a gear shaft, and the first gear is provided with a gear shaft. And gear shafts of the first gears penetrate through the adjacent fixed shells and are provided with fans. The adjacent heat dissipation plates are covered through the fixed shell, multi-stage heat dissipation is carried out on the unit through the fan, noise generated when the power of the unit generator is increased is prevented from being increased and discharged through the heat dissipation plates, and therefore real-time automatic balance is carried out on heat dissipation and noise reduction of the unit generator; and maximum noise reduction is provided for the unit generator while the most energy-saving heat dissipation is maintained.

The CVT cooling system of the engine comprises a CVT, a left crankcase body and a left crankcase cover, a CVT cavity is formed between the left crankcase body and the left crankcase cover, the CVT is assembled in the CVT cavity, a shoe block component of a driven wheel in the CVT is located on the side of the left crankcase body, a breathing groove outer cover plate is arranged on the left crankcase cover, and the breathing groove outer cover plate is arranged on the left crankcase cover. The breathing groove outer cover plate is provided with a first main air inlet, a second main air inlet and a first auxiliary air inlet, the left crankcase cover is provided with a filter screen assembly, the left crankcase cover is provided with a third main air inlet and a second auxiliary air inlet, the breathing groove outer cover plate is provided with blocking ribs, and part of cooling air enters a CVT cavity sequentially through the first auxiliary air inlet and the second auxiliary air inlet. In order to simplify the structure, reduce the manufacturing cost and effectively reduce the risk that muddy water enters the filter screen assembly, a blocking rib is arranged on the side, close to the filter screen assembly, of the first main air inlet of the breathing groove outer cover plate, and the muddy water is effectively prevented from being sprayed to the filter screen assembly.

The invention relates to an axial flux electric pump. An axial magnetic flux electric pump having an axially symmetrical structure includes: a stator assembly configured to generate an axial magnetic flux; the rotor driver assembly and the stator assembly are coaxially arranged, the rotor driver assembly can rotate around the axis under the action of the axial magnetic flux, and when the axial magnetic flux electric pump works, the rotor driver assembly drives fluid and bears opposite fluid acting force; wherein the axial symmetrical structure is realized by one of the following two modes: the stator assembly comprises a first stator and a second stator which are respectively positioned on two axial sides of the rotor driver assembly; or, the rotor driver assembly comprises a first rotor driver and a second rotor driver which are located on the two axial sides of the stator assembly respectively.

Valve for a motor vehicle's thermal system. Valve for a motor vehicle's cooling system, comprising: - a valve body, - a bore formed within the valve body, the bore defining a passage for a fluid, in a first direction, between a first valve orifice and a second valve orifice, and - a shutter capable of moving within the bore between a first position and a second position, the first position allowing the fluid to flow in the first direction without flow limitation, the valve being characterized in that, when the shutter is in the second position, a feature in the shutter and / or in the valve body allows the fluid to pass in a second direction, opposite to the first direction, and at a limited flow rate, in particular a flow rate of less than 0.4 mL / s, or even less than 0.1 mL / s. Figure for the abstract: 5

The invention relates to a cooling device (1) with a heat exchanger unit (10) through which air flows and a fan (20) arranged on the heat exchanger unit (10) forming a radial gap (2) for generating an airflow through the heat exchanger unit (10), wherein the heat exchanger unit (10) has a flowable end face (11) facing the fan (20), which is partially covered by the fan (20), so that the end face (11) is divided into a first partial surface (11A) covered by the fan (20) and a second partial surface (11B) free from the fan, wherein the cooling device (1) has a guide sleeve (30) which is arranged between the heat exchanger unit (10) and the fan (20) to at least partially close the radial gap (2).a flow channel leading from an air outlet of the fan (20) to the first partial surface (11A) of the front surface (11) and fluidically connects the air outlet of the fan (20) with the first partial surface (11A) of the front surface (11) and fluidically separates it from the second partial surface (11B).

The utility model relates to the technical field of power batteries, and discloses a heating and cooling system integrated structure and a battery thermal management system, the heating and cooling system integrated structure comprises a refrigeration base material, a first insulating film, a heating core body and a second insulating film, the first insulating film is attached to the refrigeration base material, the heating core body is attached to the first insulating film, and the second insulating film covers the heating core body. As only one layer of insulating film is arranged between the heating core body and the refrigeration base material, compared with the prior art, the heat transfer medium between the heating core body and the refrigeration base material is less, and the heat transfer efficiency is high.

An axial flux motor water pump comprising a housing, a cover attached to the housing, a stator mounted within the housing, the stator comprising a plurality of stator poles mounted in a ring, each stator pole comprising an electric wire winding, a rotor journaled to the housing in cooperating relation to the stator on a single bearing, an impeller fixed to an end of the rotor, a plurality of magnets mounted to an end of the rotor in cooperative relation to the stator poles, a seal between the rotor and housing whereby the stator and magnets are in a dry zone, the stator enrobed in thermal potting within the housing; and power electronics contained in the cover. The rotor portion of the rotor may be manufactured in a sintering process.

The invention discloses an efficient and high-precision numerical simulation method for an air cooling field of a diesel engine. The method comprises the following steps: (1) based on a porous medium model theory, using a defined porous medium model to replace an internal structure of an original radiator to establish a three-dimensional radiator simplified model containing a porous medium area; (2) according to the dimensionless similarity of speed distribution of a fan rotational flow main body section, the dissipation rate generation and diffusion term coefficient of a turbulent energy dissipation equation in a standard k-epsilon turbulence model are adjusted, (3) the standard k-epsilon turbulence model is adopted for a forced convection dominant area, the k-epsilon turbulence model corrected by the turbulent flow viscosity coefficient is adopted for a natural convection dominant area, and the turbulent flow viscosity coefficient of the natural convection dominant area is corrected. In order to guarantee smooth and stable transition of turbulence viscosity, a k-epsilon turbulence model corrected by turbulence viscosity coefficient linear interpolation is adopted for a transition area of forced convection and natural convection; and (4) a diesel engine air cooling field numerical simulation technology based on partition processing is adopted. According to the method, high-precision numerical simulation on the basis of a small number of grids is realized.

An engine system can comprise an engine and a cooling module assembly which comprises a radiator. In some examples, an assembly, such as the cooling module assembly, can include a radiator and a fan shroud and screen assembly arranged at a rear side of the radiator. The fan shroud and screen assembly includes a screen and first and second shroud portions coupled to and around the screen, where the first and second shroud portions and the screen form a cavity, and where the first and second shroud portions are directly coupled to the rear side of the radiator. The assembly further comprises a fan disposed within the cavity and configured to spin freely within the cavity without being attached to the fan shroud and screen assembly.

A fan control system includes: a fan (32); a dust barrier (31) near the fan (32); a fan actuator (33) configured to rotate the fan (32) in a normal direction and a reverse direction; a fan controller (51) configured to control a manner in which the fan actuator (33) is driven; a clogging degree calculator (53) configured to calculate a clogging degree of the dust barrier (31) based on drive behavior of the fan (32); and a reverse rotation instructor (54) configured to instruct the fan controller (51) based on the clogging degree to rotate the fan (32) in the reverse direction.

The utility model discloses a low-noise box body for a diesel generating set, which comprises a mounting base, a partition plate component and a plurality of partition plates, the front-end air inlet plate is mounted on the mounting base and is provided with a first air inlet, and a first noise reduction ventilation hood is arranged at the first air inlet on the inner side surface of the front-end air inlet plate; the rear-end exhaust plate is mounted on the mounting base, and an exhaust outlet is formed in the rear-end exhaust plate; the left air inlet plate is mounted on the mounting base and is provided with a second air inlet, and a second noise reduction ventilation hood is arranged at the second air inlet on the inner side surface of the left air inlet plate; the right air inlet plate is mounted on the right side surface of the mounting base, a third air inlet is formed in the right air inlet plate, and a third noise reduction ventilation hood is arranged at the third air inlet on the inner side surface of the right air inlet plate; and the top cover covers the front-end air inlet plate, the rear-end air exhaust plate, the left-side air inlet plate and the right-side air inlet plate to form a box body. The structure is simple, noise generated during operation of the generator set can be effectively absorbed and blocked, and outward transmission of the noise is reduced.

The invention belongs to the technical field of engineering elements, and particularly relates to a connector for a heat dissipation water tank and a working method thereof. The connector for the heat dissipation water tank comprises a female connector arranged on the side wall of the water tank; the male joint is matched with the female joint and is arranged at the end part of a water outlet pipe of the generator set; the adjusting and sealing assembly comprises an inner sealing pipe arranged in the female connector in a sliding mode and an outer adjusting pipe arranged outside the female connector in a sleeving mode. After the male connector is inserted into the female connector, water flow pushes the inner sealing pipe to move towards the water tank, and the end of the inner sealing pipe abuts against the reducing conical surface in the female connector in a sealed mode. When the inner sealing pipe axially moves, the water outlet pipe is tightened to reduce water flow impact on the female joint; by adjusting the matching of the sealing assembly, the male joint and the female joint, the impact force of water flow on the female joint is reduced, and the sealing performance of the male joint and the female joint is improved.

A device adapted for vacuum-filling a coolant system, and a method of using a device adapted for vacuum-filling a coolant system.

The invention discloses a shock absorption and noise reduction type diesel generator which comprises a base and a sound insulation shell installed on the upper end face of the base and used for insulating sound and reducing noise. A diesel generator body is arranged above the base and integrally wraps the diesel generator body, a connecting seat is fixed to the lower end face of the diesel generator body, and the lower end of the connecting seat is rotationally connected with one end of a connecting rod. According to the shock absorption and noise reduction type diesel generator, the shock absorption effect is achieved, the shock absorption effect is further achieved, meanwhile, the second shock absorbers are arranged, the shock absorption effect is further improved, noise is reduced through shock absorption, the practicability is good, and when air flows in the heat dissipation pipes, the heat dissipation efficiency is improved. Heat generated during operation of the diesel generator body can be taken away, then the heat dissipation effect is achieved, dust attached to the surfaces of the heat dissipation openings can be cleaned, and the problem that heat dissipation of the heat dissipation openings cannot be achieved due to dust accumulation can be solved.

The present invention discloses a multi-load UAV engine dynamometer and an operation method, belonging to the field of UAV engine test equipment. A multi-load UAV engine dynamometer includes a frame, a detection unit is installed on the top of the frame, an engine body is arranged on one side of the detection unit, the detection unit and the engine body are connected and installed together through a transmission shaft, and a support seat is installed on the transmission shaft through a bearing; the present invention uses the kinetic energy generated by the rotation of the transmission shaft to generate airflow through the heat dissipation structure, and dissipates the heat generated by the detection unit and the outer wall of the transmission shaft, and can adjust the heat dissipation intensity according to the extreme working conditions. In the heat dissipation process, the heat of the transmission shaft center is assisted by heat pipes for conduction and heat dissipation, thereby improving the heat dissipation effect, avoiding interference caused by vibration, and cooperating with PTFE sliders and copper meshes to realize energy conversion and recycling.

The present invention relates to a cooling module (100) for a motor vehicle, comprising at least one heat exchanger (3, 4) and at least one conduit (1) including an air inlet (10) of the cooling module (100), the conduit (1) being configured to deliver cooling air from the air inlet (10) toward the heat exchanger (3, 4), characterized in that the conduit (1) includes fixing elements (24, 24', 25, 26, 27, 28, 29) configured to fix the heat exchanger (3, 4) to the conduit (1).

The utility model relates to the technical field of engine cooling and lubricating, in particular to a cooling and lubricating system driving device of an in-line type piston engine, the engine and an aircraft of the engine, and the cooling and lubricating system driving device comprises a cooling driving device and a lubricating driving device which are respectively linked with a crankshaft driving gear, the cooling driving device is connected with the oil pump assembly, the lubricating driving device is connected with the oil pump assembly, the crankshaft driving gear drives the damping gear assembly through gear meshing, the damping gear assembly is coaxially provided with a transmission gear, and the cooling driving device and the lubricating driving device are respectively connected with the transmission gear in a meshing mode. Technical guarantee is provided for an inline four-cylinder piston type aero-engine to adopt a crankshaft connecting rod piston mechanism which runs at a high speed.

The invention provides a sea water pump, and relates to the technical field of water pumps, the sea water pump comprises a pump shell, the pump shell is provided with a water inlet, a pumping chamber and a water outlet which are communicated in sequence, and the water inlet is perpendicular to the pump shell and detachably connected with a water inlet elbow; one end of the transmission shaft extends into the pumping chamber, and the other end rotationally penetrates through the bearing body to be connected with a driving motor; the main impeller is mounted on the transmission shaft and close to the water inlet; the auxiliary impeller is installed on the transmission shaft and located between the main impeller and the pump shell. The blades on the main impeller are made of copper, and the blades on the auxiliary impeller are made of rubber. A plurality of main impeller screw holes are distributed in the main impeller; the water inlet is connected with a filter. Due to the arrangement of the main blade screw holes, dynamic balance is conveniently achieved, pressure impact on the main impeller is reduced, and the main blade screw holes are used as auxiliary holes during assembly and disassembly. And the water inlet is connected with a filter, so that the normal work of the main impeller and the auxiliary impeller is prevented from being influenced due to the fact that large-volume soft marine organisms enter the pumping chamber.

The invention discloses a risk early warning method and system for an emergency diesel generator of a nuclear power plant, and the method comprises the steps: collecting operation parameters of a generator set in a hot standby state, and when the parameters are not in a preset normal range, indicating that the parameters are abnormal and the generator set breaks down; preprocessing the acquired operating parameters, and extracting effective features of the preprocessed operating parameters; on the basis of the generator set with the fault, combining with the effective characteristics, and utilizing a high-frequency data flow transient anomaly recognition algorithm to capture an anomaly type label to obtain fault information; evaluating the risk degree of the generator set according to the effective features and the abnormal type labels of the preprocessed operation parameters; and carrying out risk early warning and response on the generator set according to the risk degree of the generator set. According to the invention, the operation state of the emergency diesel generator set can be monitored in real time, accurate risk assessment and early warning information is provided, and the risk management capability of managers is enhanced.

An electrical machine is disclosed. The electrical machine includes a rotor rotatable around an axis of rotation and a stator fixed against rotation with respect to the rotor and which concentrically encloses the rotor, forming an annular gap bounded radially between the rotor and the stator and through which a cooling liquid can flow. The stator is at least partially encapsulated by injection molding with a plastic sheathing. A printed circuit board with electronic components arranged on it and a central opening through which a rotor shaft of the rotor protrudes. The plastic sheathing has on a side facing the printed circuit board at least one recess in which at least one electronic component of the printed circuit board engages.

A method and system for modulating vapor and liquid fractions of a cycling liquid-vapor fluid operating within its phase transition envelope by creating forced oscillating heat transfer between liquid and vapor fractions of the cycling stream. A liquid stream segment is expansion cooled and brought into thermal communication with a vapor stream segment. The contact with the expansion-cooled liquid enables intermolecular forces to drive condensation and release condensation heat at a condensation temperature higher than the temperature of the expansion-cooled stream segment. The resulting temperature gradient enables the expansion-cooled segment held at constant volume to capture the condensation heat and isochorically vaporize into a vapor stream segment that again is forced to condense so as to form an oscillating thermal cycle within the cycling liquid-vapor fluid.

An automotive electronic flow pump includes a rotating pump wheel, a pump housing, an axial-flux motor, a static separation wall, and a motor electronics. The pump wheel has an axial fluid inlet at a wheel upstream front side and a radial fluid outlet. The pump housing defines a pumping chamber and an electronics chamber. The axial-flux motor directly drives the pump wheel and is arranged within the pumping chamber. The axial-flux motor includes a motor stator having at least one stator coil, and a motor rotor arranged at a front side of the pump wheel which co-rotates with the pump wheel. The static separation wall is arranged at a backside of the pump wheel. The static separation wall fluidically separates the pumping chamber from the electronics chamber. The motor electronics is arranged in the electronics chamber and is directly electrically connected to the at least one stator coil.

The invention discloses a double-fan device of an internal combustion engine, which relates to the internal combustion engine and comprises a first transmission mechanism, a second transmission mechanism, a transmission shaft, a front fan and a rear fan, the first transmission mechanism is installed on a gear chamber of the internal combustion engine, the transmission shaft is rotationally installed on the gear chamber, the first transmission mechanism is in transmission connection with the crankshaft and the transmission shaft at the same time, and the front fan is installed at the end, away from the first transmission mechanism, of the transmission shaft. And a driving device body is rotationally mounted on the transmission shaft and is in transmission connection with the crankshaft through a second transmission mechanism. The two fans are coaxially arranged in series, larger air volume can be provided, meanwhile, the linear speed of the fans is reduced, noise is lowered, and the structural reliability of the fans is improved; and the two fans are redundant backups for each other, so that the operation reliability of the whole internal combustion engine power device is improved.

The invention provides a heat dissipation device and a vehicle, and belongs to the technical field of vehicle cooling systems, and the heat dissipation device comprises a heat dissipation shell, a filter assembly, a fan and a heat dissipation device body. A heat dissipation air channel is formed in an inner cavity of the heat dissipation shell. An air inlet is formed in the bottom of the radiating shell, and an air outlet is formed in the top; the filtering assembly is arranged at the air inlet and covers the air inlet; the fan is arranged at the air outlet and covers the air outlet; and the radiator main body is arranged in the radiating air channel. According to the heat dissipation device provided by the invention, the filter assembly can filter impurities so as to prevent the radiator main body from being blocked or damaged by collision; the heat dissipation shell, the filtering assembly and the fan are combined, so that the heat dissipation air channel can form a relatively closed space, the air speed and the air volume passing through the heat dissipation air channel are increased, and the heat dissipation efficiency is improved; the air inlet is formed in the bottom of the heat dissipation shell and does not need to cover the whole heat dissipation shell, so that the requirement for the opening area of the front bumper is not high, the opening position can be lowered, the wind resistance of the whole vehicle can be reduced, and oil consumption is reduced.