569results about "Brake cooling" patented technology

An air cooled resistor arrangement comprising a first elongated tube member forming a first air flow channel and a second elongated tube member forming a second air flow channel, wherein the first elongated tube member is at least partly housed inside the second elongated tube member. The air-cooled resistor arrangement further comprises an air dilution portion comprising at least one opening at which the first air flow channel is arranged in fluid communication with the second air flow channel.

A control unit for electromechanical brake system is provided, which relates to vehicle brake technology. The present invention facilitates the assembling of braking energy storage module and brake system control module and improves the heat dissipation, structural strength, anti-vibration and compactness of the control unit. The control unit comprises: a housing; and a frame plate, a braking energy storage module and a brake system control module, which are configured in the housing, wherein the braking energy storage module and the brake system control module are respectively arranged at two opposite sides of the frame plate.

A wheel cover (100) for a vehicle wheel is disclosed. The wheel cover (100) includes a plurality of rows of openings (202), each row having at least two radially arranged openings (202). A plurality of flaps (104) are pivotally configured with each of the at least two openings (202). Each flap (104) is biased to remain in a closed position to close the corresponding opening (202) and thus ensure an aerodynamic profile of the wheel cover (100), and to move to an open position to allow air to flow through the corresponding opening (202) to cool one or more brake components located in the wheel. The wheel cover (100) includes an actuation assembly (400) that operates based on a rack and pinion arrangement to enable gradual opening of the flaps (104) based on an increase in the operating temperature of the brake components.

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 relates to a braking device (10) for a motor vehicle with a fluid path (12) through which a fluid can flow and which has at least two line sections (14, 16), in which at least one pump element (18) and at least one valve device (34) which has a valve inlet (26) and a valve outlet (28) and which can be moved between at least two valve positions (30, 32) is arranged, wherein the valve device is fluidically connected to the pump element (18) via the valve inlet (26) by means of a first of the line sections (14), with a retarder (38), which has a stator (40), a rotor (42) and a retarder inlet (44), via which the retarder (38) is fluidically connected to the valve device (34) by means of the second of the line sections (16) via the valve outlet (28), wherein in a first of the valve positions (30) the valve inlet (26) is fluidically connected to the valve outlet (28) and in the second valve position (32) the valve inlet (26) is not fluidically connected to the valve outlet (28).

The invention discloses a water-cooling and air-cooling combined heat dissipation type double-brake system and a brake control method, and the brake system comprises brake discs arranged corresponding to wheels; the two brake execution assemblies are arranged on the two sides of the brake disc correspondingly, each brake execution assembly is provided with a plurality of brake pad sets arranged in the circumferential direction of the brake disc, and the brake pad sets are driven by hydraulic assistance generated by a hydraulic booster to be pressed on the surface of the brake disc so as to execute the braking action; a heat dissipation air opening penetrating through the inside and the outside is formed in the brake execution assembly; the double-atomization assembly is borne by the brake execution assemblies and used for supplying wind power and atomized water into the brake execution assemblies; the double-atomization assembly comprises a mounting shell sleeve; the atomizing nozzle is connected with a high-pressure water pump; a high-speed fan; a temperature sensor; and a main controller. The braking force can be greatly increased, the braking effect is improved, heat dissipation is uniform, and the excellent heat dissipation effect is achieved.

The invention relates to the technical field of automobile brake control, and discloses an automobile brake cooling improvement control system which comprises a parameter acquisition unit, a data processing unit, a data evaluation unit and a comprehensive processing unit. Key data of the brake disc are comprehensively collected, and a detailed basis is provided for system operation; a temperature difference coefficient and a heat dissipation efficiency correction coefficient are accurately extracted, the auxiliary data evaluation unit determines the temperature distribution condition of the brake disc and the environment heat dissipation state in combination with threshold judgment, a compensation algorithm is started to determine the effective temperature when the temperature is uneven, and a high-load cooling mode is triggered when the environment is unfavorable for heat dissipation; a thermal load index is calculated according to the effective temperature, the brake pressure and the vehicle speed, different load cooling modes are triggered in a graded mode according to the thermal load index, and the rotating speed of a cooling fan and the opening degree of a flow guide plate are accurately regulated; and by analyzing the thermal load trend, the cooling mode grade is intelligently adjusted, the intelligence, high efficiency and safety of the brake cooling system are comprehensively improved, and the stability of the brake performance of the vehicle is effectively guaranteed.

The present invention discloses a vehicle braking control method and system under long downhill conditions. The method includes the following steps: obtaining the vehicle's slope driving condition and the vehicle's braking energy recovery attribute; when the vehicle does not have the braking energy recovery function or the vehicle has the braking energy recovery function but is in the energy recovery exit state, obtaining the vehicle's operating condition; when the vehicle's required deceleration is less than the preset deceleration and the temperature rise of the rear brake disc is less than the first preset temperature rise, controlling to cut off the hydraulic input of the front and rear wheels and enter the dynamic braking mode that preferentially brakes the rear wheels; obtaining the condition that satisfies the dynamic braking mode exit condition; when the dynamic braking mode exit condition is satisfied, controlling to exit the dynamic braking mode and enter the hydraulic braking mode of simultaneous braking of the front and rear wheels. The vehicle braking control method under long downhill conditions provided by this application effectively solves the problem that the temperature rise of the front brake disc is too fast relative to the rear brake disc, and avoids the excessive temperature rise of the front brake disc from affecting the braking effect.

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 present invention relates to an electromechanical braking device (1) for a motor vehicle, comprising at least one electric brake actuator (4) with a brake element (32) which is adjustable and can be brought into brake engagement with a counter-brake element (2), wherein the brake actuator (4) can be controlled by an electric control unit (100). In order to enable improved operational reliability in continuous operation, the invention proposes that the control unit (100) be integrated with the brake actuator (4) and that a heat dissipation element (45) be thermally coupled to the control unit (100), which is thermally conductively connected to or has an exposed outer surface (46) of the brake actuator (4).

A wheel cap, comprising: an inner side, for attaching the wheel cap to a wheel rim of a wheel; a peripheral edge, coaxial with a central axis of the wheel cap; an outer face, opposite to the inner side, wherein the outer face is delineated by the peripheral edge and comprises a peripheral portion and a central portion, centered on the central axis; and openings, connecting the peripheral portion to the inner side. The outer face is concave, so that: the central portion is recessed inwards relative to the peripheral portion along the central axis; and the peripheral portion is recessed inwards relative to the peripheral edge along the central axis.

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 belongs to the technical field of vehicle braking, and discloses a temperature-controllable braking device and method applied to a vehicle. The device comprises a brake module and a heat dissipation module matched with the brake module. The brake module comprises a telescopic rod, a heat dissipation support, a brake pad, a clamping piece and a locking piece which are matched with one another so as to achieve braking, preliminary heat dissipation and quick replacement of the brake pad. The heat dissipation module comprises a first heat dissipation part and a second heat dissipation part; the first heat dissipation part comprises a temperature sensing pipe, a coil spring pipe, a transmission rod and an adjusting valve so that liquid cooling of the brake pad can be achieved. The second heat dissipation part comprises a supporting frame, a fan and a controller so that air cooling of the brake pad can be achieved. Effective heat dissipation of the vehicle brake structure is achieved through combination of multiple heat dissipation modes, and therefore the brake stability and the brake reliability are improved.

The invention provides a cooling and drainage system, a vehicle and a vehicle regulation and control method, and relates to the field of electric vehicles. The cooling and drainage system comprises a first cooling and drainage mechanism, a second cooling and drainage mechanism and a third cooling and drainage mechanism. The first cooling drainage mechanism comprises a radiator and a wet air reservoir, an input port of the radiator is communicated with the air compressor, an output port of the radiator is communicated with an inlet of the wet air reservoir, and the wet air reservoir is provided with a first drainage valve; an air inlet of a separator in the second cooling drainage mechanism is communicated with an outlet of the wet air storage cylinder, a flow guide assembly and a collector are installed in the separator, and the flow guide assembly is communicated with the air inlet of the separator and the collector; the third cooling drainage mechanism comprises a dryer and a regeneration cylinder, the dryer is communicated with the air outlet of the separator and the regeneration cylinder, and the regeneration cylinder is provided with a second drainage valve. According to the cooling and drainage system, the technical problem that in the prior art, heat generated by exhaust of an air compressor cannot be discharged in time is solved.

A brake or clutch device, comprising a housing (2) with a disk pack (4) arranged in the housing interior (3), comprising an outer disk carrier (7) with at least one outer disk (8) arranged thereon for axial movement and an inner disk carrier (9) with at least one inner disk (10) arranged thereon for axial movement, and a coolant receiving chamber (12) provided on the housing (2) for receiving a coolant (27) to be supplied to the disk pack (4), wherein the coolant receiving chamber (12), which can be filled with the coolant (27) via an external coolant supply device connectable to a connection means (15) of the coolant receiving chamber (12), is arranged above the disk pack (4) and communicates with the housing interior (3) via at least one opening (18) in such a way that the coolant (27) flows onto the disk pack (4) due to gravity when the opening (18) is open.

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 provides a multifunctional integrated automobile steering yoke, which relates to the technical field of steering yokes and comprises a yoke head, a hub connecting end is arranged at the bottom of the yoke head, a heat dissipation component is arranged at the bottom of the yoke head and consists of a sleeve fixedly connected to the bottom of the yoke head, and a plurality of groups of grooves are formed in the outer surface of the sleeve. Connecting pieces are slidably connected to the two sides of the outer surface of the sleeve, sliding pieces are fixedly connected to the side faces of one ends of the connecting pieces, sealing pieces are arranged on the side faces of the rubber pistons, heat conduction blocks are arranged on the two sides of the bottom of the sleeve, and one ends of the heat conduction blocks are slidably connected with cooling fins arranged at the bottom of the chassis. During braking, firstly, the joint fork head and the fixing ring are installed at the bottom of the steering pull rod, then the hub connecting end is fixedly connected to the side face of a hub, and after installation is completed, in the normal running process of an automobile, heat generated by braking can be dissipated through cooperation of the heat conduction block and the groove.

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.

Electric drive unit with an electric machine (EM) with gearbox, which can be connected to an assembly (300) via a connection (401), wherein the assembly (300) comprises at least one multi-disc brake (303) arranged concentrically around axle side shafts (301) in a housing (25), wherein brake pistons (3) are hydraulically or electrically actuated and move axially parallel to the axle side shafts (301) in a part of the housing (25) against movable lamellae (12), and wherein the housing (25) and the multi-disc brakes (303) are supplied with cooling oil of the electric machine (EM).

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 present invention discloses a brake beam module and a brake structure containing the same, comprising an assembly beam, a connecting rod, a brake cylinder, and a cooler. The end of the assembly beam is rotatably connected to a wheel frame, and a wheel is installed on the surface of the wheel frame. When the wheel is braked, the first electrically controlled valve is opened, so that the high-pressure gas in the first gas tank controls the brake cylinder to contract, and the brake cylinder drives the brake seat and the brake pad to fit onto the wheel for braking. The brake pad contacts the rolling surface of the wheel with a large contact area, so that the wheel can stop rotating quickly to shorten the braking distance, and the brake pad and the wheel are cooled to avoid the problem of thermal attenuation of the brake pad. When the wheel is braked continuously, good braking force is maintained, and the brake pad clamps the wheel at two symmetrical points on the wheel, so that the friction resistance applied to the wheel is more uniform, and when the wheel is braked, the wheel is prevented from being subjected to different braking forces.

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.