33 results about "Air line" patented technology

The utility model discloses a trailer air pipe protection device, including the steel ring, the steel ring is provided with several, and the adjacent steel ring is connected with several first springs, and the steel ring at both ends all are connected with fixed block through connecting rope, and the fixed block is fixed with the ribbon, and the ribbon is provided with equidistance arrangement's locating boss, and the fixed block is opened with first through -hole, second through -hole, third through -hole that communicate in proper order, and the ribbon slidingly penetrates first through -hole, and the second through -hole is slidably installed with the sliding block, and the sliding block is connected with second spring between the inner wall of second through -hole, and the sliding block is fixed with the plug -in block, the utility model discloses through the steel ring can protect the air pipe, and, through the contraction of first spring can assist air pipe contraction, avoid the problem that air pipe cannot contract because of aging.

The invention belongs to the technical field of automobiles, and relates to an aerodynamic rim blade assembly and a using method thereof. The air pipeline is communicated with the compressed air supply unit; the blade movement mechanism is arranged on the rim blade and comprises an air cylinder and a blade which is in transmission connection with a piston rod of the air cylinder; wherein the air pipeline extends to the wheel end and is communicated with a working cavity of the air cylinder, an electromagnetic valve controlled by an electronic control unit of the whole vehicle is arranged on the air pipeline, and compressed air can be selectively guided into or discharged out of the working cavity of the air cylinder by controlling opening and closing of the electromagnetic valve. The driving device is used for driving the blades to move between the opening position and the closing position. A mature compressed air supply unit of the whole vehicle is directly shared, the development and manufacturing cost of the system is greatly reduced, meanwhile, the layout of the whole vehicle is simplified, and popularization and application of the assembly are more economic and feasible.

The invention relates to a method for operating a compressed-air supply system (1), which supplies compressed air to connected compressed-air consumers (16, 18; 20) via at least one compressed-air line (24), wherein the compressed-air supply system has at least one compressor (2), an air dryer (5) and a switchover valve (12), the air dryer (5) having a granular adsorption desiccant (10), the switchover valve being actuable by means of an electronic control device (14), in a first switching position (A) of the switchover valve (12) moist compressed air generated by the compressor being passed over the grains of the adsorption desiccant in a drying phase, as a result of which the adsorption desiccant absorbs atmospheric moisture from the moist compressed air, and in a second switching position (B) of the switchover valve (12) dry compressed air taken from the compressed-air supply system being passed over the grains of the adsorption desiccant in a regeneration phase, as a result of which the adsorption desiccant releases moisture to the dry compressed air, which is then subsequently discharged to the surrounding area (28). According to the invention, a water load value indicating the current water load of the adsorption desiccant is ascertained in the control device, the water load value is determined by means of at least two numerical values, and the switchover valve (12) is controlled with respect to the start and the duration of the drying phase and / or the regeneration phase depending on the water load value.

Device (1) for cleaning a plate heat exchanger (2), wherein the device (1) has the following features: a. A compressed air source (3) for providing compressed air for dry cleaning of the plate heat exchanger (2); b. A control box (4) which is connected to the compressed air source (3) via a first compressed air line (5) and to a slot nozzle (9) via a second compressed air line (8), wherein an electrically controllable valve (6) is arranged in the control box (4) between the compressed air lines (5, 8) connected to the control box (4), wherein the valve (6) is designed to open when actuated, so that compressed air flows to the slot nozzle (9); c. The slot nozzle (9) has at least one nozzle gap (16) which is surrounded circumferentially by a slot-shaped mouthpiece (11) which projects in the direction of flow (P) of the compressed air opposite the at least one nozzle gap (16).

The invention discloses an explosion-proof dispersion promoting system for a hydrogen storage area of a hydrogen production and hydrogenation integrated station and application. The explosion-proof dispersion promoting system comprises an air pipeline module and a monitoring communication module. The monitoring module detects leakage through a tank pressure and multi-azimuth hydrogen concentration sensor, an accident judgment unit judges the accident grade and controls a corresponding branch control valve and a main valve to be opened, a high-speed air outlet vertically and upwards sprays airflow, a firewall is matched to guide combustible hydrogen cloud to move to the high position, and dissipation is accelerated by means of natural wind gradient. And fire blast accidents caused by hydrogen cloud gathering are prevented. According to the system, millisecond-level response and directional accurate dispersion promotion are realized, the defects of low dispersion promotion efficiency and no directional response of the existing system are overcome, and the safety of the integrated station is greatly improved.

The invention discloses a water-cooled wall anti-corrosion system and method with secondary air flow equalization and adherence air cooperation. The system comprises a source adjusting unit, a tail end protection unit, a multi-parameter monitoring network unit and a controller. The source adjusting unit is an adjustable guide vane group in each secondary layer air bellow of the secondary air large air bellow and is in transmission connection with the angle executing mechanism; the tail end protection unit comprises a boiler side wall array type composite adherence air nozzle, an adherence air bellow and a compressed air pipeline, wherein the adherence air bellow and the compressed air pipeline are communicated; the multi-parameter monitoring network unit comprises an air volume sensor, a gas concentration sensor and a temperature sensor which are correspondingly arranged; and the controller is linked with each unit through a cable. According to the system, secondary air distribution can be dynamically adjusted, the stability of wall-attached air is improved, closed-loop regulation and control are achieved, the near-wall reducing atmosphere is eliminated in a two-dimensional mode, and the anti-corrosion effect and the boiler operation safety are improved.

A compressed-air supply system includes at least one compressed-air consumer, compressed-air lines, electrically controllable valves, a compressed-air controller for actuating the valves, a compressor having an electric motor as a drive, and a pressure reservoir. The compressed-air consumer can be pneumatically connected to the compressor and / or the pressure reservoir via the lines and the valves such that the compressed-air supply system can be operated either in an open or in a closed operating mode. The controller has an input for a current signal, which represents a motor current drawn or to be drawn by the electric motor. The controller is configured to actuate the valves in accordance with the open operating mode when a current signal is present at the current signal input, the current signal representing a mean motor current, the magnitude of which is equal to or greater than a maximum value for the motor current.

A vehicle air spring system and methods for controlling vehicle stability using air springs is provided. The vehicle air spring system includes an arrangement of air springs, pressure sensors, one or more air sources, air lines, and air valves that are monitored and regulated by an air pressure and stability control system. The air pressure and stability control system can be configured to utilize pressure sensor data, vehicle driving sensor data, and vehicle stability data to regulate the air pressure of the air springs and stabilize the vehicle. Additionally, the air pressure and stability control system can proactively adjust the air pressure of the air springs in anticipation of a potentially destabilizing event.

The utility model discloses an automatic pressure maintaining test device for air tightness of an air pipeline of a bogie brake unit. The device comprises a remote control cabinet and a pressure maintaining test structure. The pressure maintaining test structure is arranged between an air supply source and a bogie brake unit air pipeline and comprises a control unit, a digital display screen and a pressure maintaining test pipeline. The pressure maintaining test pipeline comprises a manual ball valve, a pressure transmitter, an electric pressure reducing valve, an electric ball valve, a multi-way joint, an elbow and a direct pipeline, and the pressure maintaining test pipeline is arranged in a single-pipeline or multi-pipeline form; the control unit is connected with the pressure transmitter, the electric pressure reducing valve, the electric ball valve, the digital display screen and the remote control cabinet. From the aspects of cost, maintenance efficiency and informatization management application requirements, the purposes of reducing labor cost and labor intensity, improving maintenance quality and maintenance result informatization management level can be achieved, and train operation safety is guaranteed.

The invention relates to a freight train comprising a plurality of mechanically and electrically coupled wagons; with a main air line that extends through all the cars via couplings between the cars; with brakes connected to the main air line in the or each car, which are designed to brake the respective car depending on an air pressure in the main air line. The freight train according to the invention is characterized by the following features: with at least one electric actuator in one or each car; with a wagon detection device designed to detect the absence of a wagon located adjacent to the respective wagon with the electric actuator; with at least one pneumatic valve connected to the main air line, with which the main air line can be vented; wherein the electric actuator is connected to the at least one pneumatic valve for its actuation, and the electric actuator is connected to the car detection device in order to switch the pneumatic valve for venting the main air line when the absence of the adjacent car is detected.

The utility model discloses a ship bottom monitoring and processing system of cargo hold place of low temperature gas ship relates to ship safety technical field, include: two -phase injection pump, sensor component and ship central controller, two -phase injection pump sets up in the bottom of the hold of cargo hold place, and its drive mouth is connected with the fire fighting sea water pipeline, liquid cargo pipeline and compressed air pipeline of cargo hold place through drive pipeline respectively, the suction port is connected with the sewage well in the cargo hold place, and the discharge port is connected with the outboard discharge pipeline and liquid cargo collection pipeline through the discharge pipeline respectively, sensor component includes liquid level sensor, temperature sensor and flammable medium sensor, and all are electrically connected with ship central controller, the utility model discloses a ship bottom monitoring and processing system of cargo hold place of low temperature gas ship can effectively realize condensate water discharge, residual water emptying and emergency leakage disposal when liquid cargo leakage, has compact structure, function integration higher advantage.

The present application relates to a kind of ramp conveying line based on continuity transport and its working method, belong to the technical field of mechanized conveying of automobile production workshop.It is divided into ground line and air line, on ground line, using the cooperation of fast friction drive, medium-speed friction drive and slow friction drive, make the slow transmission of slide board in manual operation area, facilitate worker operation, fast transmission in unmanned area, speed up transmission efficiency;In climbing section, using the cooperation of fast friction drive and self-adaptive pressure wheel, without using elevator, reduce production rhythm, improve efficiency, ensure the continuity in production process;In air line climbing section, using chain drive, avoid the problem of air carrier back sliding.

The invention relates to a coupling arrangement for establishing a mechanical and a fluid connection between rail-bound vehicles by interaction with a counter-coupling arrangement: a coupling for mechanical connection with a counter-coupling coupling of the counter-coupling arrangement, comprising a coupling lock rotatable about a main axis between a coupled position and an uncoupled position; with an air coupling with a switchable main air valve, with which the flow cross-section of a main air line can be selectively blocked in a closed position and released in an open position, wherein a switching of the main air valve from the closed position to the open position when rotating the coupling closure between the uncoupled and coupled positions is mechanically coupled to the rotation of the coupling closure; a switching of the main air valve from the open position to the closed position is mechanically blocked in the coupled position of the dome closure; A switching of the main air valve from the open position to the closed position is mechanically released in the uncoupled position of the dome closure, and closing optionally occurs via separate control / actuation of the main air valve.

The invention relates to the technical field of oceanographic engineering geological exploration equipment, in particular to an offshore down-the-hole while-drilling CPT tool which comprises a multi-channel drill rod assembly which comprises a multi-channel drill rod, a cable pipeline, a slurry pipeline, an air pipeline and a standby channel are integrated in the multi-channel drill rod, and the multi-channel drill rod assembly is used for synchronously transmitting electric signals, slurry media and compressed air. The static sounding penetration mechanism and the underground rock breaking and hole sweeping mechanism are integrated, synchronous transmission of power and media is achieved through the multi-channel drill rod, a continuous operation mode of seamless connection of sounding while drilling is constructed, and after a section of stratum penetration test is completed by the tool, the tool does not need to be lifted out of a hole, and the construction efficiency is improved. The pneumatic motor can be immediately started to drive the drill bit to conduct next-section hole sweeping, the traditional intermittent circulation technology of testing, drill lifting, hole sweeping, recycling and descending is changed, and offshore CPT operation is converted into a continuous process from frequent starting and stopping.

The utility model discloses a device for preventing iron from adhering to a leveling working roller on a strip steel leveling line, which belongs to the field of strip steel leveling lines, and comprises an inlet guide plate, a blowing device and a collecting device, the blowing device is arranged on the inlet guide plate, and the blowing device comprises a support frame, a compressed air pipeline and a control valve; the supporting frame is arranged on one side of the inlet guide plate, the compressed air pipeline is arranged on the supporting frame and used for blowing the surface of strip steel, and the pipeline height of the compressed air pipeline is parallel to the upper surface of the strip steel; the control valve is connected with the compressed air pipeline, and the collecting device is installed on the other side of the inlet guide plate and used for collecting waste. Meanwhile, waste is recycled through the collecting device, the production process is optimized, the service life of equipment is prolonged, and the production efficiency of the equipment is improved.

A system and a method are provided for using a compressed air line as a backup communication channel for first and second parking brake controllers (110, 120). In one embodiment, a parking brake system is provided that includes a first parking brake controller (110) and a second parking brake controller (120). The first parking brake controller (110) is configured to selectively change the air pressure in a vehicle air line in order to pneumatically transmit a message to the second parking brake controller (120) after a loss of electronic communication with it.

Vehicle-integrated braking system, comprising: an EBS (electric braking system) configured to generate a braking force of a master brake by causing compressed air supplied from an air reservoir (10) to be introduced into or discharged from a master brake chamber (50) by selectively actuating a plurality of EBS valves in response to an actuation signal from a brake pedal (BP); an EPB (electronic parking brake) valve (60) configured to receive the compressed air supplied from the air reservoir (10) and to allow or block the compressed air by being selectively actuated in response to an actuation signal from a parking brake (PB); a parking brake chamber (70) configured to generate a parking brake (PB) braking force when compressed air is introduced into or discharged from the EPB valve (60); an outlet opening (80) configured to release the compressed air discharged from the master brake chamber (50) and the compressed air discharged from the parking brake chamber (70); and a check valve (90) provided in an air line in which the majority of EBS valves, the EPB valve (60) and the outlet opening (80) meet, and which is configured such that it allows only a flow of the compressed air discharged from the majority of EBS valves to the outlet opening (80) and a flow of the compressed air discharged from the EPB valve (60) to the outlet opening (80).

A system, apparatus, and method are provided through which deformation of a tire of a vehicle is used to push air or hydraulic fluid through a piston, which is used in the generation of energy for the vehicle. The tire deformation causes a piston arranged in the tire to push air through an air line, which supplies the compressed air to a fan attached to an alternator for battery charging.

Embodiments include an aerodynamic wheel cover system having an air delivery system to connect vehicle tires to accessible locations that are accessible when a wheel cover is mounted. An embodiment includes a mounting bracket for mounting to a hub of a vehicle, a base assembly mounted to the mounting bracket, a wheel cover adapted to mount to the base assembly, and a plurality of air fittings. Each of the plurality of air fittings may extend from an inboard side of the wheel cover and through the wheel cover to a respective accessible location that is accessible when the wheel cover is mounted to the base assembly. Each of the air fittings may include an accessible portion accessible at the respective accessible location.

The invention relates to a dryer unit (1) for drying plastic granulate (2) in a granulate container (3), preferably provided with a capacity of at least 100 litres, the dryer unit (1) comprising: - a compressed air line system (4) having a compressed air inlet (5) for receiving compressed air and having a compressed air outlet (6) for transferring the compressed air into the granulate container (3); - a recirculating air line system (7) having a recirculating air inlet (8) for receiving recirculating air from the granulate container (3) and having a recirculating air outlet (9) for transferring the recirculating air into the granulate container (3); and - a recirculating air heater (10) arranged in the recirculating air line system (7) for heating the recirculating air, wherein the dryer unit (1) is designed as a unit which can be transported independently of the granulate container (3).

An automated (i.e., autonomous) airbag-based cargo restraint system for securing cargo within a trailer during transport. The system includes a plurality of support frames mounted along the trailer walls, each support frame is configured to house or support one or more inflatable airbags. The airbags are formed from durable, tear-resistant material and are adapted to expand multi-directionally to conform to and support cargo of various shapes and sizes. A pressurized air supply system comprising a main air line and a plurality of branch air lines delivers air to each airbag via dedicated hose ports. A built-in inflation source regulates air flow to inflate and maintain the airbags in position. The support frames include load-distributing cross-member structures and channels for lateral repositioning along the trailer interior.

The utility model relates to the technical field of downhole operation equipment, especially relates to wind adds oil device, including oil drum, big bucket cover, bucket cover, communication pipe, oil pumping pipe and oil delivery hose, big bucket cover sets up in the upper end of oil drum, the upper end of bucket cover is screwed in big bucket cover, the upper end of bucket cover is connected with communication pipe through, the other end of communication pipe is provided with air pipe joint, the inside integration of communication pipe has stop valve, oil pumping pipe vertically penetrates big bucket cover and extends to the oil drum inner chamber, and the end of oil delivery hose and oil pumping pipe realizes through connection, the utility model discloses the butt joint of communication pipe and downhole compressed air pipeline is realized through air pipe joint, thereby can supply air to the oil drum through communication pipe, and the oil in the oil drum is pressed into oil pumping pipe through air pressure, and is transported into the special oiling appliance through oil delivery hose, and the air supply amount can be regulated through the setting stop valve, thereby the oil delivery hose's oil outlet speed is controlled, and the oiling amount is controlled conveniently.

A compressed-air supply system includes a compressed-air consumer, compressed-air lines, electrically controllable valves, a controller for actuating the valves, a compressor or compressing device with an electric motor as a drive, and a pressure reservoir. The compressed-air consumer is pneumatically connectable to the compressor and / or the pressure reservoir via the lines and the valves such that the system is operable in an open or a closed operating mode. The controller is configured, in response to a request signal, to predict an output pressure at the output of the compressor for the time T at which a state of the pressure consumer corresponding to the request signal is reached. Depending on the predicted output pressure, the controller activates either the open or closed operating mode or specifies one of a plurality of specified target speeds for speed control of the motor or activates an operating mode and specifies a target speed.

The invention discloses an air film type conveying belt cleaning device, and relates to the technical field of material conveying equipment, the air film type conveying belt cleaning device comprises a cleaner body, an air cavity is formed in the cleaner body, one end of the cleaner body is arranged to be a working face, and an air hole communicated with the air cavity is formed in the working face; the inlet end of the compressed air pipeline is communicated with a compressed air supply end, and the outlet end of the compressed air pipeline is communicated with the air cavity; the working face of the sweeper body faces the face, to be swept, of the conveying belt. The conveyer belt is swept through the air film type sweeping device, a uniform and stable air film is formed between the working face of the sweeper body and the conveyer belt, non-contact sweeping is achieved, and the problems that in the prior art, sweeping efficiency is low, belt abrasion is fast, and secondary pollution is caused are effectively solved.

Internal combustion engine of a motor vehicle, with at least one exhaust gas turbocharger (10, 11) comprising a turbine (12, 13) and a compressor (14, 15), wherein exhaust gas to be depressurized can be supplied to the turbine (12, 13) of the respective exhaust gas turbocharger (10, 11) and depressurized exhaust gas can be discharged from the turbine (12, 13) of the respective exhaust gas turbocharger (10, 11), wherein charge air (LL) to be compressed can be supplied to the compressor (14, 15) of the respective exhaust gas turbocharger (10, 11) via a first air line (16, 17) and compressed charge air (LL) can be discharged from the compressor (14, 15) of the respective exhaust gas turbocharger (10, 11) via a second air line (18, 19), with a venting system for a fuel tank of the motor vehicle, via which a fuel tank leakage (KL) can be discharged via a vent line (25) towards at least one activated carbon filter (26), and via which the fuel tank leakage (KL) routed via the respective activated carbon filter (26) can be mixed with charge air (LL) routed via a respective bypass line (27), which extends between the respective first air line (16, 17) and second air line (18, 19), and the respective first air line (16, 17) can be supplied for mixing with the charge air (LL) to be compressed, characterized by the fact that A check valve (29) is integrated into the respective first air line (16, 17), which prevents flow from the respective first air line (16, 17) towards the respective activated carbon filter (26), and a venturi nozzle (28) is integrated downstream of the check valve (29) in the direction of flow of the fuel tank leakage (KL), which serves to mix the fuel tank leakage (KL) with charge air (LL) flowing via the bypass line (27), such that outside the respective first air line (16, 17) only those sections of the respective vent line (25) which extend upstream of the respective check valve (29) in the direction of flow of the fuel tank leakage (KL), and those sections of the respective bypass line (27) which extend upstream of the respective venturi nozzle (28) in the direction of flow of the charge air (LL) are accessible.

Embodiments include an aerodynamic wheel cover system having an air delivery system to connect vehicle tires to accessible locations that are accessible when a wheel cover is mounted. An embodiment includes a mounting bracket for mounting to a hub of a vehicle, a base assembly mounted to the mounting bracket, a wheel cover adapted to mount to the base assembly, and a plurality of air fittings. Each of the plurality of air fittings may extend from an inboard side of the wheel cover and through the wheel cover to a respective accessible location that is accessible when the wheel cover is mounted to the base assembly. Each of the air fittings may include an accessible portion accessible at the respective accessible location.

This utility model discloses a self-cooling air spring air supply unit, including a housing (1), an air pump (2) inside the housing (1), an air pipeline on the housing (1), the air pipeline being divided into a return air pipe (3) for cooling and an air inlet pipe (4) for inflation, an inflation pipe (5) connected to the return air pipe (3) and the air inlet pipe (4) on the housing (1), and an exhaust pipe (6) on the housing (1). During the exhaust process, the air spring is depressurized, the gas discharged by the air spring flows back through the inflation pipe (5), and the air spring is rapidly discharged under the pressure of the vehicle body. The high-pressure gas flows back into the housing (1) through the return air pipe (3) and is discharged outward. When the high-pressure gas passes through the inside of the housing (1), it blows past the air pump (2) inside the housing (1), and the high-speed flow of the high-pressure gas completes the cooling of the air pump (2).

A gripping system includes a gripper body having a vacuum pathway, a vacuum source connector, and an air source connector. A plurality of air lines are coupled to the air source connector and a respective plurality of valves are coupled to the air lines. Each one of the valves is configured for switching between a compressed air source and a vacuum source. A respective plurality of compensators are coupled to the plurality of air lines. Each compensator includes a cylinder and a piston configured for reciprocal linear translation within the cylinder. An expansion volume in the cylinder is in fluid communication with one of the air lines, and is configured to expand when the air line is coupled to the compressed air source and is configured to contract when the air line is coupled to the vacuum source, thereby extending and retracting the compensator relative to the gripper body.

The application provides a kind of in-vehicle air pipeline low temperature test system.The test system includes: temperature control bin, gas supply pipeline, gas pipeline, brake pipeline and controller.The environmental parameters in the temperature control bin are adjustably set;one end of the gas supply pipeline is communicated with the gas supply device, and the other end is communicated with the gas storage device, and the first electromagnetic valve for controlling the on-off of the gas supply pipeline is arranged on the gas supply pipeline;one end of the gas pipeline is communicated with the gas storage device, and the other end is communicated with the relay valve, and the second electromagnetic valve is arranged on the gas pipeline;one end of the brake pipeline is communicated with the relay valve, and the other end is communicated with the brake chamber;the controller is electrically connected with the temperature control bin, the first electromagnetic valve and the second electromagnetic valve, and the controller is used to control the in-vehicle air pipeline to execute different air path modes, and to control the temperature control bin to realize different test conditions.This scheme solves the problem that the air management system in the prior art may freeze at extremely low temperature, thereby affecting the air supply performance of the brake system.

The utility model provides a pipeline structure capable of integrating inflation and suction, which relates to the technical field of inflator pump equipment and comprises a first rubber tube and a second rubber tube. An inflator pump is hermetically mounted at the bottom end of the first rubber pipe, and a first adapter pipe is mounted at the top end of the first rubber pipe; one end of the second rubber pipe is hermetically provided with an inflator pump, the other end of the second rubber pipe is hermetically provided with a third adapter pipe, the right end of the third adapter pipe is provided with an electric valve, the bottom end of the electric valve is provided with a second adapter pipe, the left end of the second adapter pipe is provided with a first adapter pipe, and the outer side surface of the first adapter pipe is provided with a digital display type air pressure detection sensor; through the arrangement of the first adapter pipe and the electric valve, not only is the use of multiple groups of adapter pipe parts reduced, but also the integration of inflation and suction functions of the inflator pump is realized; the problem that a traditional inflator pump adopts a complex air inflation and suction line mode that multiple sets of pipelines are connected with multiple sets of adapter parts, so that the air flow path is prolonged, and the air inflation and suction efficiency is low is solved.