284results about "Brake cooling" patented technology

The invention discloses an axle staged cooling system, an axle staged cooling assembly and an engineering vehicle. The axle staged cooling system comprises an engine first-stage cooling system, an engine second-stage cooling system, an axle first-stage cooling system and an axle second-stage cooling system. Each stage of cooling system controls cooling water and oil path trend through a thermolator in each loop, controls axle cooling oil and engine cooling water to exchange heat, and meets different cooling requirements of an axle. The temperature sensor in each loop outputs water and oil temperature signals to a motor of the cooling fan, so that the rotating speed of the fan is increased to different degrees along with the temperature rise of each cooling system, and different cooling powers are matched. According to the grading system, the engine and the axles can work at the proper temperature at the same time, the two heat exchangers cool cooling oil of the front axle, cooling oil of the middle axle and cooling oil of the rear axle respectively, the cooling capacity of the front axle is improved, the braking effectiveness of the front axle is guaranteed, and rollover caused by serious backward movement of the gravity center of a vehicle during emergency braking is prevented.

The invention belongs to the technical field of engineering machinery, and discloses a transmission system and engineering machinery. The transmission system comprises an integrated shell, a motor assembly, a brake assembly and a speed reducer assembly, the motor assembly, the brake assembly and the speed reducer assembly are arranged in the integrated shell and distributed in the first direction, an output piece of the motor assembly is in transmission connection with an input piece of the speed reducer assembly through the brake assembly, and an output piece of the speed reducer assembly is connected with the hub. The integrated shell is provided with a cooling channel set, and the cooling channel set can conduct heat dissipation on the motor assembly, the brake assembly and the speed reducer assembly at the same time. By arranging the integrated shell, the structure of a transmission system can be simplified, the cost can be reduced, the machining consistency is good, the supporting rigidity is better, and transmission errors caused by structural deformation are reduced; the cooling channel group is arranged on the integrated shell, so that the motor assembly, the brake assembly and the speed reducer assembly can be cooled at the same time by only one cooling system, the utilization rate of the cooling system is improved, the cooling efficiency is high, and the service life of the system is prolonged.

The invention relates to the technical field of automobile hub manufacturing, in particular to an automobile hub capable of actively reducing wind resistance. Comprising a wheel rim, a spoke frame is fixedly connected to the wheel rim, a transmission rod is fixedly connected to the spoke frame, a friction disc is fixedly connected to the transmission rod, calipers are arranged on the friction disc, the transmission rod is rotationally connected with a limiting plate, a wind blocking frame is fixedly connected to the limiting plate, and a supporting ring is fixedly connected to the wind blocking frame. The supporting ring is rotationally connected with the wheel rim, the transmission rod is slidably connected with extrusion frames distributed in an array mode in the circumferential direction, and tension springs distributed in a mirror image mode are arranged between the extrusion frames and the transmission rod. According to the hub, the air blocking frame is matched with the spoke frame, the air inlet state of the rim is adaptively switched according to the specific driving state of an automobile, so that the hub gives consideration to'low wind resistance 'at high moving speed and'efficient heat dissipation' at medium and low moving speed, and the stability of an automobile braking system is guaranteed while the endurance of the automobile is improved.

The invention relates to a device (100) for heat distribution for a motor vehicle (200). The device (100) comprises a fuel cell (1), a braking resistor (2) for converting electrical energy into heat energy, and a temperature control circuit (10) through which a temperature control fluid flows for temperature control of the fuel cell (1) and the braking resistor (2). The temperature control circuit (10) is thermally coupled to the fuel cell (1) and the braking resistor (2) and has a main heat exchanger (14) through which air can flow and a switchable auxiliary heat exchanger (16), preferably also through which air can flow, such that preferably the fuel cell (1) and the braking resistor (2) can be thermally coupled via the temperature control circuit (10) either to the main heat exchanger (14) and auxiliary heat exchanger (16) or only to the main heat exchanger (14), wherein: The temperature control circuit (10) has a piping system (11) and a valve assembly (13) in the piping system (11), wherein the valve assembly (13) is adjustable to several different settings for adjusting the flow of the temperature control fluid within the temperature control circuit (10), including: a high-load setting in which both the main heat exchanger (14) and the auxiliary heat exchanger (16) can be supplied with the temperature control fluid, wherein in the high-load setting the main heat exchanger (14) and the auxiliary heat exchanger (16) can be connected either in parallel or in series to each other, preferably by means of the valve assembly (13).

The utility model discloses an off-highway dumper drive-by-wire brake spraying system and an off-highway dumper, and the off-highway dumper drive-by-wire brake spraying system comprises a gas path consisting of a gas tank, a one-way valve, a pressure reducing valve, a first electric ball valve and a water spraying tank which are connected in sequence, the water path consists of the water spraying tank, a filter, a second electric ball valve, an electromagnetic valve and a high-precision nozzle which are connected in sequence; the system further comprises an integrated electronic control unit, a controller local area network bus and a temperature sensor; the temperature sensor is in communication connection with the integrated electronic control unit through the controller local area network bus. The integrated electronic control unit is in communication connection with the first electric ball valve, the second electric ball valve and the electromagnetic valve. The high-precision nozzle and the temperature sensor are arranged at the positions right opposite to the friction face of the brake drum. The temperature of the brake drum is obtained in real time, the spraying water amount and the spraying time of the nozzle are controlled, the spraying opportunity is more accurate, and the water spraying amount meets the actual requirement.

The utility model relates to the technical field of automobiles, in particular to a cooling device of a vehicle brake system and an automobile, and the cooling device comprises a cooling assembly, a driving assembly and a switch, the cooling assembly comprises a support, a mounting disc and a water storage tank, the mounting disc is arranged beside a hub of the vehicle body, connected to the vehicle body through the support and connected to a wheel shaft through a bearing, a water spraying opening is formed in the mounting disc and connected with the water storage tank through a water pipe, and the water storage tank is arranged on the vehicle body. The driving assembly is arranged on the vehicle body, connected with the water storage tank and used for driving water in the water storage tank to the water spraying opening to be sprayed out; the switch is arranged in the cab and electrically connected with the driving assembly. When a brake system is overheated, a driver can quickly start the driving assembly through the switch in a cab, the driving assembly drives water in the water storage tank to be sprayed out through the water pipe to the water spraying opening to act on a brake pad, a brake disc or an outline, physical cooling can be conducted on the brake system, and the brake system is prevented from losing efficacy due to overheating.

The utility model discloses a protection type automobile hub which comprises a hub body, a mounting frame is arranged on the inner wall of the hub body, a spraying pipe is arranged on the inner side of the mounting frame, a plurality of spraying holes are formed in one side of the spraying pipe and distributed in an array mode at equal intervals, a mounting plate is fixedly connected to one side of the mounting frame, and the mounting plate is fixedly connected to the other side of the mounting frame. A water pump is clamped to one side of the mounting plate, the output end of the water pump is fixedly connected with a water conveying pipe, the other end of the water conveying pipe is connected with a water inlet of the spraying pipe, and the other end of the water pump is connected with a water pumping pipe; a protection plate is connected to one side of the mounting frame in a clamped mode, and a plurality of heat dissipation openings are formed in the protection plate. According to the protective automobile hub, the temperature of parts such as the hub is prevented from being too high, thermal expansion of metal materials of the hub is prevented, deformation of the hub is avoided, controllability and stability of an automobile are guaranteed not to be affected, and safety of a user can be protected.

Disclosed is an aerodynamic device (200, 800) for guiding airflow around a wheel (201) of a vehicle (700), the device comprising: a wheel well (202) defining a wheel cavity (203) arranged to receive the wheel, the wheel cavity comprising an inlet (204) and an outlet (205), so that when the vehicle is in forward motion, incoming airflow (210) enters the wheel cavity at the inlet, moves through the wheel cavity, and exits the wheel cavity at the outlet; and an aerodynamic body (206) located in the wheel cavity and between the wheel well and the wheel, the aerodynamic body defining a first passage (208) between the aerodynamic body and the wheel well and a second passage (209) between the aerodynamic body and the wheel, so that when the incoming airflow moves through the wheel cavity, the incoming airflow is divided into a first airflow through the first passage and a second airflow through the second passage.

To reduce dimensions, design constraints, weight and cost of a duct to counteract heat generated by a braking device.SOLUTION: A front frame assembly for a motor vehicle includes a suspension attachment structure (12), a suspension (3) of the motor vehicle, and an absorption component to absorb a front crash of the motor vehicle. The absorption component is fixed relative to the suspension attachment structure (12) and extending in a projecting manner relative to the suspension attachment structure (12) along a first straight axis line until ending with one end opposite the suspension attachment structure (12). The assembly comprises a channel (20) extending with continuity through the absorption component and the suspension attachment structure (12) between an inlet opening (21) obtained at the end along the first axis and an outlet opening (22) obtained in the suspension attachment structure (12) along a second axis line transversal to the first axis line.SELECTED DRAWING: Figure 2

The utility model provides a train wind drainage device for ventilation inside a brake disc of a high-speed train, and belongs to the field of brake devices of high-speed trains. The train wind drainage device for ventilation in the brake disc of the high-speed train comprises a drainage assembly, and the drainage assembly comprises an axial sleeve and a drainage pipe. The axial sleeve is arranged on an axle of a bogie of the high-speed train in a sleeving mode, and the two ends, in the axial direction of the axial sleeve, of the axial sleeve communicate with the axial holes of the corresponding brake discs correspondingly. The drainage pipe is arranged in the advancing direction of the high-speed train in an extending mode and communicates with the axial sleeve, so that airflow formed by running of the high-speed train can flow to the hollow area of the brake disc through the drainage pipe, the axial sleeve and the axial hole, and an opening in the end, away from the axial sleeve, of the drainage pipe is an air collection opening. The connecting line of the centers of the two brake discs is a datum line, and the center of the air collecting opening is arranged on the side, close to a ballast bed, of the datum line in the vertical direction. The drainage device can improve the reliability of the brake disc.

The invention relates to a wheel for a vehicle, comprising a wheel hub (3) arranged centrally in the wheel (1), a wheel rim (5) arranged radially in the circumferential region of the wheel (1), and a wheel disc (7) arranged in the intermediate region between the wheel rim (5) and the wheel hub (3), which is divided into at least two separate movable disc segments (71, 73) whose angular position can be changed by an actuator (9) integrated into the wheel hub (3). In a wheel in which the cooling of the components arranged in and / or behind the wheel is improved, a central air passage opening (23, 41) is formed in the area near the actuator, which can be opened or closed by adjusting the disc segments (71, 73) by the actuator (9) controlling them.

The utility model provides a reinforcing frame for a water tank of a semitrailer. The reinforcing frame for the semitrailer water tank comprises a mounting plate, a mounting support, a damping assembly and a reinforcing assembly, the mounting plate is fixedly mounted on a semitrailer frame, the mounting support is fixedly arranged on the mounting plate and located on the side, away from the semitrailer frame, of the mounting plate, and the damping assembly is arranged on the mounting support and located on the side, away from the semitrailer frame, of the mounting plate. The installation support is arranged at the bottom end of the installation plate and connected with a semitrailer water tank, the damping assembly is used for relieving bumping vibration borne by the water tank in the semitrailer running process, the reinforcing assembly is arranged at the bottom end of the installation support and connected with the installation plate, and the reinforcing assembly is used for improving the stability of the installation support. According to the reinforcing frame for the water tank of the semitrailer, the impact force borne by the water tank in the driving process of the semitrailer is reduced through the arrangement of all the structures, and therefore the water tank is not prone to deformation or breakage, water leakage and the like.

The present application relates to the technical field of vehicle equipment, and especially to a refrigeration assembly, a recreational vehicle, a control method of the recreational vehicle and an electronic device. The refrigeration assembly is applied to the recreational vehicle and used for cooling a brake disc. The recreational vehicle is provided with a fabric treatment device, and the fabric treatment device is provided with a condensed water collecting unit. The refrigeration assembly comprises a connecting pipe, a spraying arm and a control unit. The connecting pipe is connected with the condensed water collecting unit. The spraying arm is communicated with the connecting pipe, and a plurality of spraying holes are arranged on the spraying arm. The control unit is used for controlling the opening number of the spraying holes according to the temperature of the brake disc, so as to spray the condensed water in the condensed water collecting unit on the brake disc. In the present application, the condensed water generated in the vehicle-mounted fabric treatment device is used to cool the brake disc, so that the brake disc is in a normal working temperature range, the use performance of the brake disc is ensured, and the user experience of the recreational vehicle is effectively improved.

The invention discloses a forced air-cooled brake device for an electric wheel mine truck, which comprises a brake device and a traction motor, the traction motor comprises a rotor shaft, an inner shell and an outer shell, the rotor shaft is provided with an axial hole, a first radial through hole and a second radial through hole, and the first radial through hole and the second radial through hole are respectively communicated with the axial hole; an inner shell and an outer shell are arranged at the two ends of the traction motor respectively, and ventilation holes are formed in the inner shell. The brake device comprises an adapter and a brake disc, the adapter is provided with an inner diversion trench, the cylindrical surface is provided with an outer diversion trench, and an inclined hole is formed between the outer diversion trench and the inner diversion trench; the left side end part of the rotor shaft is mounted in the blind hole; the second through hole is communicated with the outer diversion trench; the brake disc is provided with a second through hole and a radial air channel communicated with the inner circumferential face and the outer circumferential face of the brake disc. The invention further discloses a cooling method of the forced air-cooled braking device for the mine truck with the electric wheels. The heat dissipation efficiency during braking is effectively improved, and heat fade during braking is avoided.

The invention discloses an inhaul cable transmission type active braking air duct grille assembly which comprises auxiliary grilles symmetrically arranged on the two sides of a main grille, and the two auxiliary grilles are linked through an inhaul cable assembly. Each auxiliary grille comprises a frame, blades erected in the frame through a rotating shaft and a driving assembly arranged on the outer side of the frame, the inhaul cable assemblies are connected with the driving assemblies respectively, a motor is arranged on the outer side of the auxiliary grille on one side and drives the driving assemblies to act, and the driving assemblies drive the auxiliary grille on the other side to act through the inhaul cable assemblies. The double-side grille has the beneficial effects that by means of the structure and the driving form, the synchronism of the grilles on the two sides is enhanced, the use of motors is reduced, the overall space occupation is small, the cost is low, and the use performance of a vehicle can be greatly improved through independent air duct control.

According to the multi-medium circulating system based on the hydraulic retarder, a large circulating oil way, a small circulating oil way and an exhaust passage are highly integrated on a retarder shell and a heat exchanger bottom plate, and the large circulating oil way and the small circulating oil way share a large circulating oil outlet channel, a small circulating oil outlet channel and a heat exchanger; an oil outlet exhaust passage, a large-small circulation oil outlet passage and a heat exchanger bottom plate covered channel form an independent exhaust passage, so that gas and oil media achieve efficient cooperation in large-small circulation and exhaust circulation, and meanwhile all-working-condition performance optimization of high torque precision and high continuous braking capacity under the braking working condition and low air loss and low temperature under the idling working condition is achieved. Meanwhile, the oil way is integrally formed on the inner side of the retarder shell, so that the sealing reliability and the structural strength of the system are remarkably improved; the oil leakage and oil pumping faults of the oil duct are completely eradicated from the source, the idling loss and the working temperature are remarkably reduced, the torque control precision is improved, the system integration degree and the operation reliability are improved, and cost reduction and efficiency improvement are achieved.

A heat shield assembly comprising a plurality of heat shield components (300) each comprising a substantially C-shaped structure of heat shield material defining a substantially rectangular body having a top (310) and two opposing elongate side walls (320, 330) extending from respective opposite sides of the top to a bottom edge (340), the top and the side walls defining a substantially rectangular inner cavity to receive, in use, a rotor lug (110') on the periphery of a rotor disk (100') of a brake stack, each heat shield component further comprising flanges (360a, 360b, 360c, 360d) extending outwards from the bottom of the side walls at both sides and both ends of the heat shield component, and wherein the flanges are configured to allow overlap with a flange of an adjacent heat shield component, in use.

An electric-powered road vehicle comprises two front wheels and two rear wheels; at least one battery; at least one electric machine configured to convert electrical energy to kinetic energy and vice versa. The electric machine is connected, on one side, to at least one battery and, on another side, to at least one of said wheels in such a way that during the running or acceleration of the vehicle, the electric machine converts incoming electrical energy arriving from the battery into kinetic energy to be transmitted to at least one of said wheels. At least one dissipative braking device converts the kinetic braking energy of at least one of said wheels into heat. A resistor device is connected to the electric machine and is configured to convert incoming electrical energy arriving from the electric machine into heat.

A wheel cover (100) for covering an opening of a vehicle wheel (150) comprises a perforated cover (202) that is to be attached to the opening of the wheel (150) and has openings (204) to allow air to pass through. A studded cover (208) with projections (210) that correspond to the openings (204) of the perforated cover (202) is movably coupled to the perforated cover (202) to move from a closed position to an open position when the temperature of the brake components exceeds a preset temperature value. In the closed position of the studded cover (208), the projections (210) of the studded cover (208) engage in the corresponding openings (204) to close the openings (204) and to give an aerodynamic profile to an outer surface of the wheel cover (100).In the open position of the protrusion cover (208), the openings (204) allow air to pass through to cool the brake components located in the wheel (150).

The present invention provides a braking resistor system (10) for a vehicle, comprising at least one electronic unit (13) including an inverter (12), power electronics and / or a control unit, and a high-load resistor unit (11) electrically coupled to the electronic unit (13) and having a housing (16), wherein the electronic unit (13) and the high-load resistor unit (11) are arranged adjacent to each other and are electrically coupled via a phase-carrying busbar (23), and wherein a cooling device (14) is provided for the joint cooling of the high-load resistor unit (11) and the electronic unit (13), as well as a vehicle with such a braking resistor system (10).

A heat shield for a wheel assembly may comprise a plurality of heat shield segments and a plurality of heat shield retainers coupled to the plurality of heat shield segments. A plurality of shield bumpers may be coupled to a radially outward surface of each heat shield segment of the plurality of arcuate heat shield segments. A first retainer bumper may be located over a first radially outward surface of each heat shield retainer of the plurality of heat shield retainers.

The invention relates to the technical field of vehicle heat dissipation, and discloses a vehicle wheel edge heat dissipation system based on negative pressure induction, which comprises a trumpet-shaped air inlet pipeline, the large-head air inlet end of the air inlet pipeline faces the direction of a vehicle head and is exposed outside, and the small-head air outlet end of the air inlet pipeline extends to the positions of two wheels on the two sides of the vehicle head respectively through a flow dividing pipeline. A spoke blade assembly of a radial structure is arranged in the center of each wheel, the spoke blade assemblies rotate along with the wheels, so that negative pressure suction areas are formed in the centers of the wheels, airflow is accelerated to be continuously sucked into the flow dividing pipelines from the air inlet pipelines, and rapid heat dissipation of devices located at the positions of the wheels is achieved.

The invention discloses a structure for assisting in heat dissipation of a brake disc, which is arranged on a fender of a vehicle brake disc and comprises a plurality of air guide channels which are grooves formed in the surface of the fender and are used for guiding air flow to accelerate heat dissipation near the brake disc, and a plurality of air outlet channels which are formed in the surface of the fender and are used for guiding air flow to accelerate heat dissipation near the brake disc. And / or a plurality of heat dissipation holes which are long-strip-shaped holes formed in the surface of the mudguard and are used for increasing air flow to assist in heat dissipation. Radiating of heat near the brake disc is accelerated, and particularly for a vehicle type with the heavy weight of the whole vehicle and more heat generated in the braking process, the problems of brake performance degradation and brake distance lengthening caused by too high temperature of the brake disc are solved through special structural design of parts for assisting heat dissipation.

Aircraft wheel (10a) mounted for rotation on an axle (5), comprising: an annular rim (11) connected by a disc (12) to a hub (13) received for pivoting on the axle, the rim delimiting with the hub an annular space partially closed by the disc which includes through holes (12.1) forming air passages (P); a braking device (20) comprising brake discs (21) extending in the annular space opposite an inner face of the disc; a wheel rotation drive device (40), comprising an electric actuator extending axially opposite an outer face of the disc; and a cooling device (50) for the brake discs and the electric actuator, comprising a fan (51) extending axially opposite the electric actuator such that said electric actuator extends axially between the rim and the fan, and a ferrule (52) extending around the drive device and the fan.FIGURE DE L’ABREGE: Fig. 3A.

The invention provides a whole vehicle thermal management system and method for a distributed electric drive vehicle, and relates to the technical field of whole vehicle thermal management. Comprising a first air bag liquid storage device, a front-end radiator, a first filter, a front-end evaporative condenser, a first liquid pump, a first three-way valve, a first four-way valve, a second three-way valve, a second air bag liquid storage device, a second filter, a second liquid pump, a first expansion valve, a passenger compartment evaporative condenser, a third four-way valve, a four-way reversing valve, an electric compressor, a liquid storage tank and a fourth four-way valve. A second expansion valve, a fourth three-way valve, a second heat exchanger, a second four-way valve, a first heat exchanger and a third three-way valve; the whole vehicle heat management system of the distributed electric drive vehicle comprises a motor cooling mode, an air conditioner refrigeration mode, a high-temperature battery refrigeration mode, a motor waste heat recovery mode and an air conditioner heating mode. The temperature of all parts can be precisely controlled, waste heat is efficiently recycled, energy is saved, operation is stable, and the safety and economical efficiency of thermal management of the whole vehicle are greatly improved.

A vehicle vent curtain has an inlet to enable air to enter the vent curtain. A first branch directs air flow to an external side of a vehicle. A second branch directs air to a wheel and brake, at a front end of a wheel well. Both branches are open so that flow simultaneously enters the wheel well from the second branch passing over a brake cooling the brake, and the first branch with the flow passing over the external side of the vehicle. This enhances air flow to improve brake cooling and aerodynamics.

The invention pertains to a brake pad for a bicycle or a motorbike disc brake assembly comprising: a backing plate (1) having a front surface (2) and a rear surface (3), a friction pad (4) disposed on the front surface (2) or the rear surface (3) of the backing plate (1), and a backing plate extension (5) formed in one piece with or adjacently attached to the backing plate (1), wherein at least a part of the backing plate (1) and / or the backing plate extension (5) is coated with a graphene coating (17).

The invention relates to a filter element (10) for a brake particulate filter (100) of a disc brake (200), comprising a filter layer (12) formed from a brake particulate filter medium and at least one heat conduction layer (14, 14a, 14b) connected to the filter layer (12), which is designed to dissipate heat generated by the disc brake (200) during a braking process.

Arrangement for a disc brake (1), comprising one or more brake pads (3a, 3b) and a brake disc (2), wherein the at least one brake pad (3a, 3b) has a pad carrier plate (4a, 4b) and a pad body (5a, 5b), wherein the at least one brake pad (3a, 3b) is configured and connected to a compressed air source such that compressed air can be forced through it onto the brake disc (2) in order to release it from the brake disc (2) when the disc brake is released during / after braking, wherein the at least one brake pad (3a, 3b) has at least one first opening (7a, 7b) or several such openings through which compressed air is directed onto the brake disc (2) when the disc brake (1) is released, and wherein the at least one opening (7a, 7b) is designed as a channel (8a, 8b, 12a) which is defined by the pad carrier plate (4a, 4b) and the pad body (5a, 5b) extends through and is connected by a hose ora pipe section is formed which is placed as a separate component on or in the brake pad (3a, 3b), wherein the separate component which forms the channel (8a, 8b, 12a) is made of a material which wears down together with the pad body (5a, 5b) during braking, characterized in that the channel (12a) widens in the direction of application of the brake pad (3a, 3b) in the pad body (5a, 5b) to a cavity (13) which, in conjunction with the brake disc (2) and the pressurization of the channel (12a) or the cavity (13) with compressed air, becomes a chamber of an aerostatic air bearing.

The invention discloses a single rocker arm air guide heat dissipation structure and a vehicle, and the heat dissipation structure comprises a single rocker arm body which is internally provided with a continuous hollow cavity extending from the front side of the vehicle to the rear side so as to form a heat dissipation air channel; the air inlet is formed in the front end of the single rocker arm body, communicates with the hollow cavity and is used for receiving airflow generated in the driving process; and the number of the air outlets is at least one, the air outlets are formed in the rear end of the single rocker arm body and communicate with the hollow cavity, and the air flow guiding direction of the air outlets faces the brake disc and / or the brake calipers. According to the single-rocker-arm air guide and heat dissipation structure, high-speed air can be directly conveyed to the brake disc and the brake pad of the brake caliper, the larger the vehicle speed is, the larger the air quantity is, and the heat dissipation efficiency of the brake caliper and the brake disc can be effectively improved.