617results about "Braking components" patented technology

In particular, the invention relates to an electromechanical brake, a machine, a wear readjustment device and a method or procedure, whereby the electromechanical brake comprises an actuator, a transmission unit, a brake lining and a friction surface, the actuator which is moving in a limited actuator actuation range, the actuator which is executing a lining stroke over at least a portion of its actuator actuation range via the transmission unit, whereby the transmission unit has a non-linearity, i.e. a transference ratio which is not constant over at least part of the actuator operating range, and whereby the transference ratio of the transmission unit is selected and / or configured in such a way that at least two subsections with differently acting non-linearities are formed along the actuator operating range.

Provided is an electric drum brake system, including: an electric drum brake configured to be driven by an electric motor; a current sensor configured to detect a current input to the electric motor; and a controller configured to, when parking is released, determine a parking release time based on a temperature of the electric drum brake, and when a maintenance time reaches the determined parking release time, end a parking release operation by stopping the electric motor, the maintenance time being a period of time while a state where a motor current detected by the current sensor reaches a target current is maintained.

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.

The invention provides an emergency braking release control device. The emergency braking release control device comprises a main control relay, a main control monitoring relay, a switching relay and a state holding relay. A first normally open contact of the master control relay is connected in parallel with a normally open contact of the master control monitoring relay, and a first common end of the first normally open contact of the master control relay and the normally open contact of the master control monitoring relay is electrically connected with an output end of the power supply. The second common end is electrically connected with the first end of the normally open contact of the switching relay and the first end of the normally open contact of the state holding relay; the second end of the normally open contact of the transfer relay and the second end of the normally open contact of the state holding relay are electrically connected with an intermediate connection point; the intermediate connection point is electrically connected with the first normally closed contact of the main control relay and the coil of the emergency braking release relay in sequence; the input ends of coils of the emergency braking release relays of the head car and the tail car are connected with each other, and a plurality of normally open contacts of the trigger condition relays are connected in series between middle connecting points of the head car and the tail car.

A pipeline plug includes a plug body. The plug body includes an outer housing. The interior of the outer housing defines a pressure vessel. The pipeline plug includes a pressure head coupled to the plug body, a seal assembly, a gripper assembly, a movable head, and an actuation mechanism. The actuation mechanism includes a leadscrew, the leadscrew coupled to the movable head. The actuation mechanism includes a captive nut, the captive nut positioned within the pressure vessel. The actuation mechanism includes a motor, the motor operatively coupled to the captive nut and adapted to rotate the captive nut.

The invention discloses a transverse fixed axle assembly capable of achieving Ackerman steering through mechanical linkage, and belongs to the technical field of engineering vehicle chassis. A rear axle is transversely and rigidly fixed to a frame through a shear-resistant box girder structure, and a front axle is connected to the frame through two springs; the rotating pair structures are symmetrically arranged at the two ends of the axle main body and comprise embedded heavy-duty bearings; one end of the steering knuckle arm is hinged to the axle main body through a rotating pair structure, and the other end is connected with the steering pull rod; one end, far away from the rotating pair structure, of the steering pull rod is connected with the steering oil cylinder; the steering pull rod of the front axle and the steering pull rod of the rear axle are crossed and hinged in an X shape, so that intersection points of axes of the front and rear wheels converge at an instantaneous steering center during steering. Abrasion and slipping of tires can be reduced, steering precision is ensured through a pure mechanical structure, the failure risk of an electric control system is avoided, and the system is suitable for heavy equipment such as mining trucks and port cranes.

A holding device for an electromagnetic rail brake of a rail vehicle, the holding device comprising: a holding element including a spring configured to support the holding device at a chassis of the rail vehicle; a movable actuation bolt connected with the holding element and couplable with the electromagnetic rail brake; and a hydraulic unit connected with the holding element and the actuation bolt, wherein the hydraulic unit is configured to move the actuation bolt between an idle position in which the electromagnetic rail brake is inactive during operations of the rail vehicle and an active position in which the electromagnetic rail brake is active during operation of the rail vehicle in response to hydraulic fluid flowing into the hydraulic unit or hydraulic fluid flowing out of the hydraulic unit.

A method for operating a locking actuator for a parking brake function (34), which comprises - a pawl wheel (38); - a parking pawl (46); - a parking pawl actuator (42) for displacing the parking pawl (46) from a basic position in the direction of the pawl wheel (38) with an actuation force; - a counter spring (54) which presses or pulls the parking pawl (46) in the direction of the basic position, comprising the steps of - rotating the pawl wheel (38) in a first direction of rotation (74) until the parking pawl (46) is free; - displacing the parking pawl (46) with a test force (78) which is smaller than the actuation force; - checking the rotational freedom of the pawl wheel (38).

An actuator for a heavy vehicle foundation brake (e.g. disc or drum brake), and a brake assembly, vehicle and method including the actuator. The actuator includes: an (output) pushrod 30, 230a to inte

Embodiments herein disclose an electric railroad retarder having a plurality of retarder modules. A retarder module comprises a gear cam assembly disposed between a first brake unit and a second brake unit. The gear cam assembly comprises a first position arm plate and a second position arm plate that are connected to a cam using a first positioning arm and a second positioning arm. The cam rotates to perform one of: compress a first brake spring, a second brake spring, a third brake spring and a fourth brake spring to hold wheels of a railcar; decompress the first brake spring, the second brake spring, the third brake spring and the fourth brake spring to release the wheels of the railcar; and separate the first position arm plate from a first spring base plate, and the second position arm plate from a second spring base plate to allow insertion of a shim.

The invention relates to the technical field of automatic production and detection equipment for automobile brake oil can floaters, and discloses automatic production and detection equipment for automobile brake oil can floaters, which comprises a mounting floor, and a first mechanical arm is fixedly connected above the mounting floor. According to the automatic production and detection equipment for the automobile brake oil can floaters, through the arrangement of the first mechanical arm, manual magnet grabbing can be replaced for production of floater bodies, the produced floater bodies are transferred to the next working procedure, personnel safety is protected, continuous work can be achieved, the production efficiency is improved, and the production cost is reduced. Through the arrangement of the feeding box, automatic feeding can be achieved, manual operation is saved, the production cost is reduced, through the arrangement of the positioning platform, the floater body can be positioned, the second mechanical arm can conveniently grab the floater body for detection, the working precision is improved, through the arrangement of the second mechanical arm, the floater body can be automatically detected and classified, the classification accuracy is improved, and the working efficiency is improved. And the finished product quality is improved.

The invention relates to the technical field of vehicle braking, in particular to an inflating system of an unmanned vehicle and an inflating method of the inflating system. The inflation method comprises the steps that when the received air pressure in an air storage bottle is lower than an air pressure safety threshold value, the initial state of a vehicle is recorded, and the vehicle is made to be in a braking stop state; issuing an inflating instruction, conveying gas into the gas storage bottle, and increasing the gas pressure in the gas storage bottle; and when the received air pressure in the air storage bottle is not lower than the air pressure safety threshold value, an inflation pause instruction is issued, and the vehicle is restored to the initial state. According to the inflating method, safe and autonomous parking inflating can be achieved, air quantity supplementation is rapidly conducted, the braking safety risk is reduced, and the operation efficiency is improved.

A gladhand coupler assembly is configured to releasably couple to a gladhand coupler having a mating seal and first and second mating structures. The gladhand coupler assembly includes an assembly mating seal for interfacing with the gladhand coupler mating seal and first and second assembly mating structures coupled to the assembly mating seal. The first and second assembly mating structures are configured to interface with the gladhand coupler first and second mating structures, respectively. The gladhand coupler assembly further includes an actuation mechanism configured to move the assembly mating seal relative to the pair of rigidly fixed assembly mating structures. The gladhand actuation mechanism is further configured to place the assembly mating seal into and out of fluid communication with the gladhand coupler mating seal.

The invention relates to the technical field of braking devices, in particular to a braking particulate matter emission reduction device and method suitable for a new energy vehicle. The device comprises a dust collection cover covering a brake device, a particulate matter adsorption system connected with the dust collection cover, a controller, a fan and an electrostatic generation system, the dust collection cover is used for collecting brake particles and conveying air mixed with the brake particles to the particle adsorption system through a pipeline under the action of the fan; the controller controls the electrostatic generation system to generate an electric field and adjusts the intensity of the electric field; opening and closing of a fan are controlled, and air volume is adjusted; the particulate matter adsorption system adsorbs particulate matter under the action of an electric field, and after the electric field disappears, the particulate matter automatically falls into the dust collection box.

A method for ensuring the standstill of a rail vehicle, in particular ensuring the standstill of the rail vehicle for safety reasons, uses a vehicle controller of the rail vehicle having an electronic control system in order to implement driving commands and standstill commands in the rail vehicle. In addition, a monitoring instance is used, which is independent of the control system and which detects a movement of the rail vehicle, compares the detected movement with a valid driving command of the vehicle controller and, in the case of a deviation, initiates braking of the rail vehicle independently of the control system in order to bring the rail vehicle to a standstill.

Disclosed is a fixation device that secures cylindrical items, like pipes or cables, to an external structure, such as a vehicle, without tools. The device features a clip-in part that deforms to allow insertion of the item. The clip-in part then reshapes to a closed state and holds the item securely. A frame part attaches the device to the carrier. A spring element part connects the clip-in and frame parts, allowing the clip-in part to move from a neutral position to a locking position where it touches the frame part. This design ensures high reliability and vibration-damping for the attached item.

The present invention relates to a supporting and fastening system for a portable device for playing golf, consisting of a cylindrical anodised aluminium counterweight (3) measuring 43 mm in diameter and 54 mm in length, weighing 57 g and having a cylindrical hollow (1) performed in a lower base (2) of a counterweight (3), wherein there is a lower threaded rod (4) that is in turn screwed into an internally threaded cylinder (5) fastened on the centre of the lower disc (6) and which protrudes to allow screwing and such that it has a bevelled washer (7) that surrounds the threaded cylinder (5) and that is fastened on the lower disc (6).

A slip-and-skid determining device includes an axle speed decider, a reference axle speed decider, and a determiner. The axle speed decider decides, for each of a plurality of axles, an axle speed changeable based on a rotational speed of a wheel. The reference axle speed decider decides, based on the axle speed and a physical quantity changeable during travel of a railway vehicle, a reference axle speed in the vehicle. The determiner determines, based on comparison between the axle speed and the reference axle speed, whether any slip or skid of the wheel occurs.

The utility model relates to the technical field of commercial vehicle rear axle housings, in particular to an oil-leakage-proof integral integrated rear axle housing assembly for a commercial vehicle, which comprises an axle shaft sleeve, an axle housing body and a main speed reducer mounting surface, the axle shaft sleeve is connected with the axle housing body through a fastening screw, and a main speed reducer mounting hole is arranged on the main speed reducer mounting surface. The main speed reducer mounting face is connected with the axle housing body through fixing bolts, the axle housing body is formed by integrally casting an axle housing rear cover, a plate spring seat and an ABS support fixing seat, and a main speed reducer mounting hole is a blind hole. The rear cover of the axle housing, the ABS bracket fixing seat and the plate spring seat are integrally integrated, and meanwhile, the hole of the main reducer mounting surface is made into a blind hole, so that the rigidity of the axle housing is improved, and the technical problems that the rigidity of an existing stamping and welding axle housing is poor, a traditional casting axle housing is not integrated with the rear cover, and oil leaks from the mounting hole of the main reducer surface of the stamping and traditional casting axle housing are solved.

The invention relates to the technical field of hydraulic brake systems, in particular to a high-pressure-resistant quick-charging type hydraulic brake master cylinder. An oil outlet hole is formed in one end of a brake cavity, a cylinder opening hole allowing a brake plate to stretch into is formed in the other end of the brake cavity, and an oil inlet loop and a compensation loop are arranged on one side of a cylinder body; the oil inlet loop and the compensation loop are both communicated with the brake cavity and are both used for inputting hydraulic oil into the brake cavity, a compensation channel is further communicated between the oil inlet loop and the compensation loop, and a device assembly used for communicating or blocking the compensation channel is installed in the compensation loop. According to the brake master cylinder, the independent compensation loop is further communicated between the oil inlet loop and the brake cavity, the compensation loop is communicated or blocked through the device assembly, the sealing form of a traditional brake master cylinder is improved through the device assembly, high pressure can be borne, and the service life of the brake master cylinder is prolonged. And the high pressure resistance and the fatigue resistance of the brake system are improved.

A brake apparatus may include a rotary member, a friction member configured to apply a frictional force to the rotary member, an electric actuator configured to move the friction member, a clamping force detection member configured to detect a clamping force in accordance with contact between the rotary member and the friction member, and a controller configured to control an operation of the electric actuator, in which the controller determines a reference position on the basis of a position of the friction member at a time point at which the rotary member and the friction member are separated, determines a clearance between the rotary member and the friction member on the basis of the detected clamping force on the basis of the reference position, and control the movement of the friction member on the basis of the clearance.

The invention relates to a pressure plate and a pressure plate device for a brake actuating mechanism, a service brake actuating mechanism, a parking brake actuating mechanism, a brake assembly and a vehicle. Specifically, the invention relates to a pressure plate (100) for a brake actuator, the pressure plate (100) for a brake actuator comprising a base section (102) and a peripheral radial wall (104) extending from the base section in a longitudinal direction (L). A peripheral rim (106) is disposed on a distal end (108) of the peripheral radial wall for connection to a non-pressure plate of an actuator. An inlet port (110) is provided for receiving a pressurized fluid (CA). A central opening (112) is arranged on the base section and is configured to receive a pressure rod of the spring brake unit. The connecting element (114) is configured to mate with a corresponding mating connecting element of a cover configured to seal and close the central opening, and to mate with a corresponding mating connecting element of the spring braking unit such that a pressure rod of the spring braking unit is aligned with the central opening.

A wheel speed sensor for a vehicle may include: a rotating component; an encoder unit mounted on the rotating component and rotated by the rotating component; a plurality of sensing units configured to sense signals from the encoder units; and a converter unit disposed between the sensing units and the encoder units and configured to convert the signals from the encoder units. The wheel speed sensor can accurately measure vehicle speed and quickly detect measurement errors.

To make three of generation of negative pressure for a brake booster, ignition timing retard for warming up a catalyst, and securing of torque for maintaining idle operation coexist to the maximum.SOLUTION: An engine required torque to be generated for maintaining an idle operation is calculated (S1), a net target air amount required for the engine required torque is calculated when an ignition timing is MBT (S2), a required ignition timing retard amount required for warming up a three way catalytic converter is determined (S3), a retard target air amount required for realizing the engine required torque under an ignition timing according to the required ignition timing retard amount is calculated (S4, S5), and an upper limit differential pressure securing target air amount required for securing a negative pressure is calculated (S6). The retard target air amount and the differential pressure securing target air amount are compared with each other (S7), and when the retard target air amount is equal to or less than the differential pressure securing target air amount, the throttle valve is controlled according to the retard target air amount, and the ignition timing retard according to the required ignition timing retard amount is performed (S8 to 10).SELECTED DRAWING: Figure 2

A modular system for a brake force device. The modular system includes a system housing with a predetermined system length and an elongate inner recess, wherein the system housing is usable for an auxiliary brake and / or for a power brake and / or for a pressure generator; a brake cylinder device, which is insertable into the recess of the system housing and has at least one brake cylinder and a predetermined cylinder length; and a return spring, which has a predetermined spring length and a predetermined cross-sectional shape and is insertable into the recess of the system housing.

An auxiliary brake system to control the operation of the brake system of a towed vehicle having logic and circuitry to autonomically purge the vacuum from the vacuum assist brake system of the towed vehicle once the auxiliary brake system is installed and set-up in the towed vehicle including a plurality of sensors to sense and generate corresponding operating signals of various engine operating conditions of the towed vehicle indicating engine operation or voltage changes indicative of engine operation wherein the operational signals are fed to a controller to initiate a multi-phase vacuum purge of the towed vehicle brake system once an engine operation is sensed.

Title: Railway braking system for a railway vehicle with brakes having at least one lining or at least one shoe The invention relates to a railway braking system comprising an actuating mechanism (15), a rotary actuating device (16) configured to be manually rotated in a first direction of rotation and to actuate the actuating mechanism to put the system in an applied parking handbrake configuration, and to be manually rotated in a second direction of rotation opposite to the first direction and to actuate the actuating mechanism to put the system in a released parking handbrake configuration, and a control mechanism (22) mechanically secured to the actuating mechanism and configured to,at least when the actuating device is manually rotated in the first direction of rotation and exerts a moment of force on the actuating mechanism greater than a first predetermined threshold, inhibit the action of the actuating device and / or the actuating mechanism on a braking linkage. figure for the abstract: figure 2,

This application relates to a brake system box and an ultrasonic welding device for manufacturing the brake system box, belonging to the technical field of brake system boxes. It includes a box body and a breathable and waterproof structure arranged on the box body. The box body includes a bottom plate and side plates. The breathable and waterproof structure includes breathable holes arranged on the bottom plate, a convex edge surrounding the breathable holes in a circle on the bottom plate, and a waterproof and breathable membrane ultrasonically welded to a base material. The welding area between the waterproof and breathable membrane and the base material covers the position of the convex edge. The cross-section of the convex edge gradually narrows in width in the direction away from the bottom plate. A retaining ring that surrounds the breathable holes and the convex edge is provided on the base material. In this application, the anti-hydrostatic pressure ability is improved by ultrasonic welding between the waterproof and breathable membrane and the bottom plate. The setting of the convex edge causes heat to concentrate at the position of the convex edge during ultrasonic welding, enabling the anti-hydrostatic pressure ability to be increased from 50 kPa of conventional ultrasonic welding to over 70 kPa.

The utility model relates to the technical field of automobile drive-by-wire brake, in particular to a waterproof ventilation valve adaptive to a drive-by-wire brake motor and a simulation cylinder, which comprises a waterproof ventilation valve, a simulation cylinder cover, a valve block and a motor, the waterproof ventilation valve comprises a valve main body, a protective cover, a waterproof ventilation film and a rubber ring, a threaded pipe is arranged at the bottom end of the valve main body, and the waterproof ventilation film is arranged in the threaded pipe. The waterproof breathable valve is in threaded connection with the threaded hole through a threaded pipe, an airflow channel is formed in the threaded pipe in a penetrating mode, the threaded pipe at the bottom end of the valve body is connected with the threaded hole of the valve block through a conical thread, self-locking anti-loosening and rapid dismounting and mounting are achieved, and a waterproof breathable film is fixed to an annular boss on one side of a step face through laser welding. The protection cover is installed on the valve body through the through hole, the avoiding groove in the lower end of the protection cover enables the buckle to be retracted and then reset, a closed cavity is formed, large foreign matter is prevented from impacting and damaging the waterproof breathable film, and dirt is prevented from covering the waterproof breathable film.

To provide a device for attenuating vibration in a brake system, which has improved attenuation characteristics.SOLUTION: A brake system attenuation device (10) has a first chamber (20) on which a fluid pressure should be applied, a second chamber (24) in which a compressive medium exists inside, and a first separation element (22) for separating the first chamber (20) from the second chamber (24). The brake system attenuation device (10) has a third chamber (28) in which a compressive medium exists inside, and a second separation element (26) for separating the second chamber (24) from the third chamber (28). The second chamber (24) is connected to the third chamber (28) so as to guide a medium by a passage (50) formed in the second separation element (26).SELECTED DRAWING: Figure 10