661results about "Piping arrangements" patented technology

A braking system for a vehicle is disclosed. The braking system includes friction members operable to provoke braking of the vehicle, a cooling duct extending between an air inlet for the intake of outside air and an outlet opening for discharging the air, wherein at least one of the friction members is arranged in the cooling duct, a filter duct extending between an inlet communicating with the outlet opening and an outlet to the external environment with a first and a second branch arranged in parallel, a valve comprising an element and controllable according to a first configuration in which the element at least partially obstructs the first branch and clears the second branch, and a second configuration in which the element at least partially obstructs the second branch and clears the first branch, and an actuator configured to drive the valve in response to the braking of the vehicle.

A damping member for a pneumatic valve of a pneumatic system of a vehicle, in particular a utility vehicle, a pneumatic system, a vehicle, a method, a computer program and / or a computer-readable storage medium are provided. A damping member (100) for a pneumatic valve (205) of a pneumatic system (201) of a vehicle (200a), in particular a utility vehicle (200b), where the valve (205) comprises an air outlet section (210) for discharging pressurized air (220); wherein the damping member (100) is adapted to be mounted to the air outlet section (210) for damping acoustic emissions of the pressurized air (220); the damping member (100) comprises a bracket structure (105); and the support structure (105) is adapted to damp acoustic emissions of the pressurized air (220) by conducting air (220) through the support structure (105).

The utility model provides a vehicle body structure and a vehicle, the vehicle body structure comprises a front wall cross beam assembly and an oil pipe which are arranged behind a power assembly in the length direction of a vehicle body, a local section of the oil pipe is located between a cross beam body of the front wall cross beam assembly and the power assembly, and the vehicle body structure further comprises a protective cover arranged on the front side of the front wall cross beam assembly and used for protecting the front wall cross beam assembly. The local section is connected with the front wall cross beam assembly and used for covering the oil pipe; the energy absorption structure is connected with the front wall cross beam assembly, and at least part of the energy absorption structure is located on the front side of the front wall cross beam assembly. According to the vehicle body structure, the collision degree of the power assembly on the front wall cross beam assembly can be reduced, the protection performance on the oil pipe is enhanced, the safety risk of oil leakage caused by the fact that the oil pipe is possibly damaged due to collision is reduced, and the collision resistance and safety of the whole vehicle are improved.

The present invention discloses a rubber composition, a processing method thereof, and also a brake fluid-resistant product using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix; 1.5-8 parts of a crosslinking agent 40-140 parts of a reinforcing filler; and 0-40 parts of a plasticizer, wherein the rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A≤100 parts; an EPM with a content represented as B, in which 0≤B<100 parts; and an EPDM with a content represented as C, in which 0≤C<100 parts. The rubber composition is useful in the production of brake fluid-resistant brake rubber hose and brake rubber diaphragm. The beneficial effect is that since the rubber composition comprises the branched polyethylene, the tear strength of the rubber compound is improved, thereby reducing the probability of tearing of the product during the production process and improving the overall processing performance.

A multi-circuit protection valve assembly, comprises, is attached to or integrated into a main housing, and comprises an air inlet; main outlets; main supply lines; and main overflow valves for protecting the main outlets. The valve assembly further comprises an extension part having, attached to or integrated into an extension housing, an extension inlet; an extension outlet; an extension line; and an extension overflow valve for protecting the at least one extension outlet, wherein the extension housing is detachably fixed to the main housing such that the extension inlet is flow-connected to an auxiliary outlet in the main housing.The extension housing is detachably fixed to the main housing by a hollow screw having a cavity. Compressed air discharged through the auxiliary outlet can be conducted through the cavity inside the hollow screw to the extension overflow valve and the at least one extension outlet.

A gladhand is disclosed. The gladhand, for example, may include a gladhand body having a central axis and a substantially flat gladhand surface and a tongue that extends from the gladhand body and substantially perpendicular relative to the central axis. The gladhand, for example, may also include a concave pocket that extends from gladhand surface. The gladhand, for example, may also include a piston chamber within the gladhand body that extends substantially along the central axis and forming a piston aperture within the gladhand surface and a piston disposed within the piston chamber that actuates at least partially into and out of the piston chamber through the piston aperture along the central axis.

A device for extracting brake dust from a brake of a motor vehicle, comprising a hose (1) and a filter (2), wherein the hose (1) is connected to the filter (2) and has a first end with an inlet opening for allowing brake dust into the hose (1) and a second end with an outlet opening for releasing brake dust into the filter (2). The hose (1) further comprises at least one collecting rib (3) on its inner surface for collecting dust, wherein the collecting rib (3) is oriented in one direction at an oblique angle to the longitudinal direction of the hose (1). Furthermore, a motor vehicle comprising a body with a chassis, wheels (8), brakes (9) for braking the wheels (8), and a device for extracting brake dust, wherein the inlet opening of the hose (1) is directed towards a friction element of one of the brakes (9).

A braking system for a towing vehicle is disclosed. The braking system includes a pressure medium source for supplying pressurized pressure medium, a parking brake module having a control valve and a redundancy valve, a trailer control valve system for a trailer brake of a trailer vehicle towed by the towing vehicle, and an electronic control unit. The electronic control unit is configured to control the trailer control valve system in such a way that pressure medium escapes via the trailer control valve system into a non-pressurized environment, whereby the pressure medium source is emptied, when the control valve or the redundancy valve persist in the open state due to a mechanical defect and otherwise should be in the closed state, and when an ignition of the towing vehicle and a compressor for filling the pressure medium source are switched off.

A vehicle is provided which comprises a plurality of ground engaging members and a frame supported by the plurality of ground engaging members. An engine is supported by the frame, the engine comprising an engine intake that includes an engine intake inlet. A brake assembly comprises a brake output member coupled to at least one ground engaging member of the plurality of ground engaging members, a master cylinder coupled to the brake output member, and a brake booster operably coupled to the master cylinder. Further, the brake booster comprising a body defining a fresh air intake, a conduit extending outwardly from the fresh air intake, and an inlet to the conduit positioned vertically above the brake booster.

According to the braking interface, the braking system and the braking method suitable for the heavy-load freight train, a front contact of a relay is connected to a dry contact of the locomotive braking system in parallel, after a main control computer breaks down or loses external power, the relay loses power, the front contact is disconnected, and then the dry contact is disconnected; and the unexpected emergency braking command cannot be output to the train, so that the potential safety hazard that the main control computer outputs the unexpected emergency braking command to the normally running heavy-load freight train due to failure or loss of external power is solved. Meanwhile, a sound-light alarm device is additionally arranged, and the lowest equipment list of the main control computer is automatically checked before the train is put into operation, so that the automatic protection function of the train is ensured to still conform to the fault-safety principle specified by the TB / T 2615-2018 railway signal fault-safety principle.

A method for manufacturing a tube fitting includes steps of: preparing the tube fitting; and forming a resin coating layer upon a coated region provided upon the surface of the tube fitting. Forming the resin coating layer includes: dipping the tube fitting into a coating material that includes as components a polyethylene based substance, a lubricant, and solid particles and having viscosity within a range of 4.24 to 5.27 mPa·s at 25° C., and adhering the coating material to the coated region; and, drying the coating material which is adhered to the coated region of the tube fitting. In the dipping step, the mass per unit area w is controlled within a range 0.79<w<10.07 by dipping the tube fitting while regulating a temperature of the coating material within a range of 30° C. to 40° C.

The application discloses a brake fluid filling and exhaust device and a control method and system thereof. The device comprises a liquid supplement tank, a liquid supplement pipeline, a liquid return pipeline, a first valve and a second valve. The liquid supplement tank is internally provided with a filter, the top of the tank body is provided with an exhaust port, one side of the tank body is connected with the liquid supplement pipeline, the liquid supplement pipeline is provided with the first valve, the other side of the tank body is connected with the liquid return pipeline, and the liquid return pipeline is provided with the second valve. When brake fluid is filled, the liquid supplement tank, the liquid supplement pipeline, a liquid storage pot, brake calipers and the liquid return pipeline are communicated to form a circulating passage of brake fluid, and when a stop-filling condition is met, the liquid storage pot stops filling brake fluid to the brake calipers, and the stop-filling condition at least comprises that gas in the brake system is exhausted. Through the technical scheme provided by the application, gas in brake fluid can be filtered, separated and exhausted from the exhaust port in the brake fluid circulation process, automatic filling and exhaust of brake fluid are realized, and the filling and exhaust efficiency of brake fluid is improved.

Proposed is an electro-hydraulic brake device including a main brake unit configured to provide a braking fluid to a plurality of wheel cylinders by driving a motor, a storage unit connected to the main brake unit, and configured to store the braking fluid, an auxiliary brake unit configured to provide the braking fluid to one or more of the wheel cylinders when an operational failure of the main brake unit occurs, and configured to divide a hydraulic line of a hydraulic circuit unit physically by a function, wherein the hydraulic circuit unit disposed at a block unit is connected to the main brake unit and the storage unit.

The present invention obtains a brake hydraulic pressure control apparatus that is mounted to a straddle-type vehicle and can improve an anti-vibration property when compared to the related art.The brake hydraulic pressure control apparatus according to the present invention includes: a base body formed with a channel for a brake fluid; a control board of a hydraulic pressure control mechanism for the brake fluid provided to the channel; a housing accommodating the control board and connected to the base body; and a connector provided to the housing and electrically connected to the control board, and is mounted to the straddle-type vehicle. The brake hydraulic pressure control apparatus includes a holding section that holds a cable connected to the connector.

A braking apparatus includes a pedal part pressurized for braking by a driver, a master cylinder part in which pressure of oil is amplified by the pedal part, a block part connected to the master cylinder part, supplied with the oil, and configured to amplify the pressure of the oil as an electric pump is driven by power applied thereto, a wheel cylinder part connected to the block part and configured to provide a braking force to a wheel, and a variable valve part mounted on the block part and configured to adjust the flow amount of oil based on a flow rate of the oil that is discharged by the electric pump.

The invention relates to a method for operating a self-propelled road-building machine, in particular a road-compacting driving machine, and to a self-propelled road-building machine, in particular a road-compacting driving machine.

The utility model discloses a brake hose assembly in an automobile brake pipeline, which comprises two groups of protective clamping plates, adjusting components are arranged at the tops and the bottoms of the two groups of protective clamping plates, brake hoses are arranged in the sides, close to each other, of the two groups of protective clamping plates, and the brake hoses are connected with the adjusting components. Telescopic plates are arranged at the middle positions of the sides, away from each other, of the two groups of protective clamping plates; through mutual cooperation of a connecting plate, a telescopic plate, a protective clamping plate, a sleeve, a fixing groove, a clamping plate, a sleeve plate, a connecting sleeve plate, a second spring and a groove, an operator can conveniently achieve the function of adjusting the distance between the protective clamping plates, and through adjustment of the distance between the protective clamping plates, the size of later expansion of the brake hose can be controlled; according to the brake hose, the phenomenon that the hose is damaged due to excessive expansion is prevented, the later-stage service life of the brake hose is conveniently prolonged, meanwhile, the hose body can be protected, and the phenomenon that the brake hose is abraded by the outside world is reduced.

The invention discloses an automobile vacuum brake hose fixing band which comprises a fixing band body, a fixing column structure and a band locking clamp are arranged at one end of the fixing band body, and a sawtooth-shaped structure is arranged on the surface, in partial contact with a vacuum brake hose, of the fixing band body. The automobile vacuum brake hose fixing band is reasonable in structural design, a part of sawtooth-shaped structure is additionally arranged on the contact face of the automobile vacuum brake hose fixing band and the hose body, the sawtooth-shaped structure is made of TPV, the friction coefficient is large, the friction force for preventing axial movement of a vacuum brake hose body is increased structurally and material, and axial movement of the vacuum brake hose is prevented; and the cost is relatively low.

An axial force measurement device includes a frame, a tightening actuation unit that performs tightening operation upon a screw type tube fitting installed upon a tube upon which is formed an annular portion projecting in the radially outward direction from the tube, a testing member, and a mating member holding unit that holds the testing member into which the tube fitting is screwed and that is coupled to the tube. The tightening actuation unit and the mating member holding unit are provided to the frame in line along the direction of a reference axis that extends in the direction of the center line of the tube fitting and the tube axis of the tube. The testing member has a first part that engages with the tube fitting, and a second part against which the annular portion of the tube is pressed.

To inhibit vibration of a vehicle body caused by operation of a pump.SOLUTION: A brake system 20 includes a brake pipe 50 which is connected to a brake actuator 40 and a friction brake 30 and in which a brake fluid discharged from a pump 42 of the brake actuator 40 flows. The brake pipe 50 has: a metal pipe 51 connected to the brake actuator 40; and a flexible hose 55 for guiding the brake fluid flowing in the metal pipe 51 to a wheel cylinder 31 of the friction brake 30. A processing circuit 71 of a brake control device 70 increases the rotation number of an electric motor 41 serving as a power source of the pump 42 as a time period that a temperature of the flexible hose 55 is high becomes longer based on heat history of the flexible hose 55.SELECTED DRAWING: Figure 1

Disclosed is a hydraulic unit for a brake system. A hydraulic unit according to the present embodiment may include a main reservoir tank, a hydraulic block having a reservoir bore, a cylinder bore, a motor bore, a hydraulic flow path, and a valve bore, and an electronic control unit, in which the motor bore is provided on a first surface of the hydraulic block, in which a housing of the electronic control unit is provided on a second surface of the hydraulic block, in which the main reservoir tank includes a coupling part, an extension part, and a connection part.

The invention provides a self-adaptive energy-saving control method, device, equipment, system and vehicle, and relates to the technical field of vehicle control. The method comprises the steps that if the new energy vehicle is in a parking mode, the trailer connection state of a tractor is detected; if the tractor is connected with the trailer, a gas circuit electromagnetic valve arranged on a main gas circuit pipeline between the tractor and the trailer is controlled to be opened, and a blast pump is started to charge the pressure of a trailer gas storage cylinder on the tractor to a preset initial pressure maintaining threshold value; after the preset initial pressure maintaining threshold value is reached, the inflation pump is controlled to stop working, pressure monitoring is conducted on the trailer air cylinder, and the monitored pressure value of the trailer air cylinder is obtained; determining the leakage level of the trailer brake circuit according to the monitored pressure value; and according to the leakage grade, the air path electromagnetic valve and the blast pump are correspondingly controlled. The air pump can be prevented from being frequently awakened in the parking process, energy consumption and noise are reduced, the driving range of the whole vehicle is increased, rest comfort is improved, and the service life of the air pump is prolonged.

An aircraft system is disclosed including a hydraulic actuator, an inlet line for supplying hydraulic fluid to the hydraulic actuator, an outlet line for removing hydraulic fluid from the hydraulic actuator, a first one-way valve configured to allow fluid flow along the inlet line in a direction toward the hydraulic actuator, and a second one-way valve configured to allow fluid flow along the outlet line in a direction away from the hydraulic actuator.

A damping member (100) for a pneumatic valve (205) of a pneumatic system (201) of a vehicle (200a), in particular a utility vehicle (200b), is adapted to be mounted to an air outlet section (210) of the valve (205) which is used for exhausting pressurized air (220). The damping member (100) is adapted for damping sound emission of the pressurized air (220) and includes a scaffold structure (105). The scaffold structure (105) is adapted to damp the sound emission of the pressurized air (220) by conducting the air (220) through the scaffold structure (105).

The utility model belongs to the technical field of hydraulic brake valves, and particularly relates to a hydraulic brake valve with an angle sensor, which comprises a mounting frame, a valve body is fixedly mounted on one side of the mounting frame, a slide valve cavity is arranged in the valve body, an output port communicated with the slide valve cavity is arranged above the valve body, and the angle sensor is arranged in the slide valve cavity. An input port communicated with the sliding valve cavity is formed in the side face, an oil return port communicated with the sliding valve cavity is formed below the sliding valve cavity, a valve element is slidably inserted in the sliding valve cavity, and the input port is formed between the output port and the oil return port; the other face of the mounting frame is movably connected with an operation panel, and a side frame is arranged on one side of the mounting frame. According to the novel automobile lamp, the stable adjusting control effect is achieved, the structure is compact, the braking effect is sensitive, a user can conduct fine adjustment according to needs through the operation panel, meanwhile, the angle sensor is arranged, the application scene that the new energy engineering automobile lamp needs signal feedback is met, and the user can know the adjusting control condition in real time.

The brake caliper assembly comprises a caliper body, a brake caliper support and a friction plate assembly, the caliper body and the friction plate assembly are both arranged on the brake caliper support, a cylinder hole is formed in one side of the caliper body, a piston used for pushing a friction plate is arranged in the cylinder hole, and a rectangular sealing ring is arranged between the inner wall of the cylinder body and the outer edge of the piston. And an oil inlet and a deflation assembly are arranged on the caliper body corresponding to the cylinder hole. A traditional piston return spring is omitted and is realized through deformation of the rectangular sealing ring, so that the self-adjusting range is large; a rectangular sealing ring movable structure is adopted to control a gap, the total pump displacement required during braking is reduced, the total pump stroke and the cylinder diameter are reduced, the lightweight design is adopted, the pedal force is reduced, and the comfort level is improved; the mounting bracket and the guide pin are designed to be in free clearance fit, and the guide pin and the positioning pin are provided with dust covers, so that the sliding resistance performance, the dust prevention function and the convenient mounting function of integral sliding are improved, abrasion is reduced, and integral movement is more flexible.

The utility model relates to a heavy-duty car brake pipe wire harness multi-degree-of-freedom fixed guide support, which comprises a fixed support, a connecting rod and a guide fixing groove, the fixed support is arranged on a vehicle chassis, the fixed support is connected with the guide fixing groove through the connecting rod, the guide fixing groove is provided with a brake pipe wire harness, and the brake pipe wire harness is fixed through a fastening belt; the device is simple in structure and convenient to assemble; after the brake pipe wire harness is connected with the guide fixing groove through the fastening belt, the brake pipe wire harness is consistent in state, uniform in allowance and neat in arrangement, and the requirement for multi-degree-of-freedom movement of a cab in the vehicle running process and the requirement for complex overturning movement tracks of the cab in the vehicle inspection and maintenance process are met.

The rail vehicle integrity check device 20 comprises a first connector 21 adapted to form an airtight connection with the brake pipe 22 mounted on the rear wagon of a rail vehicle, and a second connector 23 adapted to form an airtight connection with a main reserve pipe 24 mounted on the rear wagon of the rail vehicle. A one-way valve 25, adapted to be in fluid communication with the brake pipe and the main reserve pipe of the rear wagon of the rail vehicle, is mounted between the first 21 and second 23 connectors. This may be done by providing elbow joints 26, 27 between each of the connectors 21, 23 respectively and the one-way valve 24. For convenience, the one-way valve 24 and any elbow joints 26, 27 provided may be housed within an external casing 28 in order to prevent the ingress of dirt whilst in use. The pipe connectors 21, 23 may be connectors used widely within the railway industry, such as angle cocks or gladhand couplers, or screw thread connectors, push and turn locking mechanisms or push fit connectors. Suitable flexible closure element one-way valves 25 include, but are not limited to, diaphragm check valves, duckbill valves or reed valves. Suitable hinged closure element one-way valves include, but are not limited to, swing check valves, butterfly check valves or tilting flap check valves. The one-way valve 25 comprises a chamber 29 and a pressure-sensitive closure element 30 abutting a closure surface 31 within the chamber 29.

The present invention obtains a brake hydraulic pressure control apparatus that is mounted to a straddle-type vehicle and can improve an anti-vibration property when compared to the related art. The brake hydraulic pressure control apparatus according to the present invention includes: a base body formed with a channel for a brake fluid; a control board of a hydraulic pressure control mechanism for the brake fluid provided to the channel; a housing accommodating the control board and connected to the base body; and a connector provided to the housing and electrically connected to the control board, and is mounted to the straddle-type vehicle. The brake hydraulic pressure control apparatus includes a holding section that holds a cable connected to the connector.

The invention belongs to the technical field of engineering machinery, and discloses a brake hydraulic system and engineering machinery. According to the brake hydraulic system, service braking is adopted, reliable braking force can be provided, the two service brake valves and the electric proportional brake valve are connected in parallel, the path with the largest oil pressure is supplied to the service brake oil cylinder after judgment is conducted through the first shuttle valve and the second shuttle valve, and the service brake oil cylinder is connected with the electric proportional brake valve. Automatic signals and active operation of a driver can be perfectly coordinated, conflicts are avoided, and the system is simple and high in reliability.