48results about "Railway vehicles" patented technology

The invention relates to a method for operating a mobile tank system (1) for a fuel gas, in particular for hydrogen or natural gas, comprising at least one pressurized gas container (2) in which the fuel gas is stored under pressure, and a control unit (3) with the aid of which sensor data from at least one sensor (4) installed in the tank system (1) are read and evaluated. According to the invention, in phases in which the tank system (1) is out of operation, the control unit (3) is temporarily activated via an implemented wake-up function and used to carry out a leakage test.

An electromechanical brake actuator (400) for vehicles, particularly railway vehicles, is described, comprising a safety unit (401) configured to: receive an electrical position signal (221) whose value indicates the position of a braking force application device (217) along a translation axis (Xt); determine the instantaneous position of the braking force application device (217) based on the value of the electrical position signal (221); and prevent a braking force control signal (204) or a power supply signal (405) from the service brake control unit (202) from reaching the electromechanical module (201) by a first interruption device (403) when: a) the safety unit (401) determines that the braking force application device (217) is in a position between a maintenance position and a stationary position; or b) the safety unit determines that the braking force application device (217) is moving from a stationary position to a maintenance position. A braking system is also described.

In order to achieve improvement in reliability of a speed calculation device included in a railway vehicle while reducing cost increase due to redundancy of a device, a vehicle speed calculation device includes at least two shaft speed sensors, a non-contact speed sensor, a sensor receiving unit that receives at least two first detection values detected by the shaft speed sensor and a second detection value detected by the non-contact speed sensor, an estimated speed calculation unit that calculates an estimated speed at present time of the railway vehicle from a latest vehicle speed and acceleration of the railway vehicle, and a speed determination unit that determines a vehicle speed based on at least two of the first detection values, the second detection value, and the estimated speed. The speed determination unit determines the vehicle speed by selecting a required speed from at least two first speeds calculated from at least two of the first detection values, a second speed calculated from the second detection value, and the estimated speed based on an adhesive or non-adhesive state of a wheel including the shaft speed sensor.

In an inventive method for operating an energy supply system, wherein the energy supply system serves to supply a fleet of electric rail vehicles, wherein a plurality of the rail vehicles each have at least one electrical energy storage device which serves to supply a drive system of the rail vehicle, wherein a respective control device of the plurality of rail vehicles is connected to a central data processing device via a programming interface, respective information of the first kind relating to a recorded operating characteristic of the energy storage device of the respective rail vehicle is provided to the data processing device by means of the programming interface.Based on the provided information of the first type and depending on the operating state of the energy supply system, the data processing device determines a target operating state of the energy storage system of the respective rail vehicle and provides this information to the control device of the respective rail vehicle as information of the second type via the programming interface. Depending on the provided information of the second type, the control device of the respective rail vehicle then controls the charging of the energy storage system from the energy supply system or the discharging of the energy storage system into the energy supply system.

Electrically powered retractable sunshades for the interior windshield of the automobile and additionally, electrically powered retractable billboards for advertising, announcements and the like.

The invention relates to a method for operating a mobile tank system (1) for a fuel gas, in particular for hydrogen or natural gas, comprising: at least one pressurised gas vessel (2) in which the fuel gas is stored under pressure; and a control unit (3) by means of which sensor data from at least one sensor (4) installed in the tank system (1) are read out and evaluated. According to the invention, during phases in which the tank system (1) is not in operation, the control unit (3) is activated intermittently via an implemented wake-up function and is used to perform a leak test. The invention also relates to a control unit (3) for a mobile fuel-gas tank system (1).

The invention relates to an electrodynamic brake apparatus (10) that has an induction device (12), the induction device (12) having a conductor device (16) and a magnetic flux device (14) that is configured to provide a magnetic field. The magnetic flux device (14) and the conductor device (16) are coupled such that electrical currents can be induced in the conductor device (16). The conductor device (16) is assigned at least one magnetic-flux-conducting element (50') for conducting a magnetic flux, the at least one magnetic-flux-conducting element (50') consisting of a magnetically conductive material or comprising a magnetically conductive material. For this improved electrodynamic brake apparatus, the conductor device (16) additionally comprises a porous structure (34) that consists of or comprises a metallic, electrically conductive material.

The present disclosure relates to the technical field of track control, in particular to a method and system for controlling a stator segment on a maglev train track. The method includes: generating a route command based on target train position information, a target train speed and a train operation plan; determining a route section corresponding to the route command and a turnout in a route in a preset interlocking table; determining a target stator segment corresponding to the route command based on the route section and the turnout in the route; and controlling the target stator segment to be electrified. The present disclosure enables a mode for controlling a stator segment on a maglev train track to meet the traction control requirements of high-speed maglev trains.

A contactless power feeding system includes a power supply line to supply AC power to a power receiver on a mobile body in a non-contact manner, and a power supply boards to generate AC power and supply the AC power to the power supply line. Each of the power supply boards performs PWM control to control the AC power to be supplied to the power supply line, by generating a control pulse to control generation of the AC power such that a timing of a center of an ON pulse of the control pulse has a same timing as a timing defined by a reference clock, and by changing a duration of the ON pulse.

A rail vehicle, such as a light rail vehicle, can include a wheel unit and a support unit. The wheel unit can define an axis of rotation of the wheel unit. The support unit can be configured to be connected to a rail vehicle structure that defines a vehicle longitudinal direction, a vehicle transverse direction, and a vehicle height direction. The support unit can be configured to connect the wheel unit to the rail vehicle structure such that the wheel unit is rotatable about the axis of rotation. The support unit can also include a primary suspension unit configured to provide resilient support of the rail vehicle structure on the wheel unit at least in the vehicle height direction.

The present application relates to a kind of based on eddy current brake adhesion brake force enhancement method and system, comprising the following steps: when high-speed train implements emergency brake, linear eddy current brake is connected into excitation current and enters working state;On the basis of cooperating longitudinal non-adhesion brake force generated by linear eddy current brake, the surplus of maximum axle load and actual axle load is controlled excitation current to make vertical suction force in safe range, simultaneously using the vertical suction force generated, combined with the adhesion coefficient calculation obtains the increased high-speed train adhesion force available domain;Additional adhesion force available is fed back to adhesion brake system to improve adhesion brake force, and the braking effect of high-speed train is improved;With longitudinal non-adhesion brake force generated by linear eddy current brake, further realize the efficient matching use of brake force and adhesion force under multiple working conditions.The present application can be applied to any kind of linear eddy current brake, further improves total brake force on the basis of original high-speed train brake system, and improves brake efficiency.

A method, in particular a computer-implemented method, for optimizing the driving strategy of a rail vehicle with an energy generation device and an energy storage device comprises the following steps: Dividing a route to be traveled into at least one, in particular several, track segments, combining the at least one track segment into at least one horizon, determining an energy requirement of the at least one horizon, determining a substantially constant energy output rate of the energy generation device of the rail vehicle for the horizon, at which the state of charge of the energy storage device for the horizon lies within an optimal range.

A monitoring device (308) for monitoring the opening and closing status of an electrical circuit is disclosed. The device (308) includes a first connection terminal (T1) and a second connection terminal (T2) connected to the electrical circuit, a current generator (301) that provides a non-zero reference current (Igen) when a voltage greater than a predetermined minimum voltage Vmin exists across its terminals, and provides zero current when a voltage less than the predetermined minimum voltage Vmin exists across its terminals, at least one optical isolator device (308, 605, 613) including a lighting device (305, 603, 612) and respective photosensitive semiconductor elements (307, 604, 611), and a current detection and power supply module (304) that detects the current flowing through it, providing power current to the lighting device (305, 603, 612) when the detected current is equal to or greater than the reference current (Igen), and providing zero power current to the lighting device (305, 603, 612) when the detected current is less than the reference current (Igen). The photosensitive semiconductor elements (307, 604, 611) present a first state when the lighting devices (305, 603, 612) are off, indicating that the electrical circuit is open, and present a second state when the lighting devices (305, 603, 612) are on. The electrical circuit is also described.

The invention relates to a device (3', 3'') for supporting a trolley wire (4), which runs in a longitudinal direction (5), for supplying electrical energy to a rail vehicle on a supporting body (11) which is arranged above the trolley wire (4) as viewed in a vertical direction (7) running at a right angle to the longitudinal direction (5), comprising a guide rail (23) which guides a thermal expansion movement of at least the trolley wire (4) and has a first rail body (25) on which the trolley wire (4) is held in a positionally fixed manner, and a second rail body (26) which is held on the supporting body (11) in a positionally fixed manner, wherein the first rail body (25) and the second rail body (26) are guided with respect to one another via rolling elements (32).

The invention relates to a device for moving portions, each comprising at least one slice separated from a food product, in particular by means of a slicing device, especially a high-speed slicer, with a plurality of individually movable transport movers for at least one portion each, with a track system for the transport movers in which the transport movers are movable along at least one predetermined track in a transport direction, and with a control device for controlling the movements of the transport movers in the track system, wherein the transport movers each comprise at least one runner cooperating with the track system and at least one carrier for at least one portion attached to the runner by means of a holder, and wherein the drive for the transport movers is each formed by the runner and the track system, which together form an electromagnetic drive for the transport mover.

The eddy current braking device (22) comprises at least one stator including at least one electromagnet (24), and at least one movable element (26, 26') relative to the electromagnet (24), characterized in that it includes means (28) for direct electrical connection between each electromagnet (24) and a power supply bus (18) of a vehicle traction device.

The present application discloses a lightweight rail wheel with good thermomechanical properties, wherein its spoke plate has a corrugated structure and the outer contour line and the inner contour line of the spoke plate each consist of several interconnected arc segments, wherein the arc segments forming the outer contour line comprise a first arc segment, a fourth arc segment, a sixth arc segment, an eighth arc segment and a tenth arc segment, wherein the arc segments forming the inner contour line comprise a second arc segment, a third arc segment, a fifth arc segment, a seventh arc segment, a ninth arc segment, an eleventh arc segment and a twelfth arc segment.The present application effectively achieves the goal of making the wheel lighter by adjusting different arc radii and circle center positions, and moderately reduces the radial strength of the spoke plate. During thermal deformation during braking, the spoke plate and rim deform more along the diameter direction, thereby reducing the tendency of the spoke plate and rim to deform along the axial direction. This improves the stress state of the wheel under the influence of braking heat and ensures that the wheel has good thermomechanical properties and good fatigue behavior.

Cryogenic Fluid Storage Unit The storage unit (1) comprises an internal reservoir (3) internally delimiting a cryogenic fluid storage volume (5), an external reservoir (7) in which the internal reservoir (3) is housed, and a suspension (9) fixing the internal reservoir (3) to the external reservoir (7), the suspension (9) comprising a link (23, 25) having: - an external tube (27) having an external proximal end (29) fixed to the internal reservoir (3) and an external distal end (31) located inside the storage volume (5); - a bottom plate (33) closing the external distal end (31); - an internal tube (41) arranged inside the external tube (27), having an internal proximal end (43) linked to the external reservoir (7) and an internal distal end (45) fixed to the internal reservoir (3);- a movement limiter (81), limiting a displacement of the inner tube (41) relative to the inner reservoir (3) in a plane perpendicular to a central axis (C) of the inner tube (41). Figure for the abbreviation: 2;

The invention relates to a suspension device (1) for a rail vehicle, the suspension device being designed to be provided between a car body (2) and a bogie frame (3), comprising at least one air spring (4) and an emergency spring (5) in series with the air spring (4), wherein a compression device (6) is provided which is acted upon by a fluid pressure (8), the fluid pressure being proportional to the pressure (7) in the air spring (4), and compresses the emergency spring (5) as a function of the fluid pressure (8).

A power battery system and a control method therefor. The system comprises: multiple power battery branches (1) connected in parallel and configured to monitor and transmit key data; high-voltage boxes (2) connected to the multiple power battery branches (1) in one-to-one correspondence; and a vehicle combiner cabinet (3) connected to all of the high-voltage boxes (2), the vehicle combiner cabinet (3) being configured to generate control instructions on the basis of the key data. The high-voltage boxes (2) are configured to forward all the key data to the vehicle combiner cabinet (3), and respectively forward the control instructions to the power battery branches (1) connected to the high-voltage boxes in one-to-one correspondence, so as to control all the power battery branches (1) to supply power to a vehicle load.

A multi-contact grounding switch (10) is described. The multi-contact grounding switch (10) has a first and a second fixed grounding contact (11b, 11c), each for a high-voltage circuit (21, 22), and a third fixed grounding contact (11d) for a train busbar (5). The multi-contact grounding switch (10) also comprises a manually actuatable grounding lever (10a), which has three mechanically connected movable grounding contacts (10b, 10c, 10d) arranged such that they electrically contact one fixed grounding contact (11b, 11c, 11d) each in the event of a ground fault and which is designed to simultaneously actuate the mechanically connected movable grounding contacts (10b, 10c, 10d). The multi-contact grounding switch (10) also has an electrical connection of the grounding lever (10a) to the ground potential (GND). A rail vehicle (1) is also described. And a method for producing a multi-contact grounding switch (10) is also described.

A method for operating rail vehicles in a traffic network, which includes a reserved operating area that is reserved for the rail vehicles and a shared operating area which is shared with traffic participants other than the rail vehicles. A computer-assisted method for train control is performed automatically in the reserved operating area. The method for automatic train control is also performed in a computer-assisted manner in the shared operating area, wherein automatic train protection does not take place but automatic operation and supervision do take place. Using a range of functions modified thus, continuous train tracking is advantageously realized. There are also described a traffic network for operating rail vehicles, a rail vehicle for operation in a traffic network, and a computer program and an associated delivery device.

This invention relates to the field of ultra-high-speed magnetic levitation technology, and discloses an ultra-high-speed magnetic levitation vehicle-mounted cryogenic storage tank and a superconducting magnet. The cryogenic storage tank includes a cryogenic tank shell, a support assembly, and an inner tank. The support assembly includes a rigid support member for the inner tank, a thermal insulation support member for the inner tank, a radiation shield, and a Z-shaped support member. One end of the rigid support member is connected to the inner layer of the cryogenic tank shell, and the other end is connected to the thermal insulation support member for the inner tank. The thermal insulation support member has an inner protrusion and an outer protrusion, with the inner protrusion located within the outer protrusion. The radiation shield is connected to the thermal insulation support member for the inner tank via the outer protrusion. The Z-shaped support member is connected to the thermal insulation support member for the inner tank via the inner protrusion. The inner tank is located inside the cryogenic tank shell for storing the refrigerant medium and is connected to the Z-shaped support member. This invention solves the problems of large heat leakage and weak impact / vibration resistance in the support of the refrigerant storage tank in the vehicle-mounted refrigeration system for ultra-high-speed magnetic levitation superconducting magnets.

The application discloses a kind of multi-motor dynamic synchronous regulation and control methods based on virtual total shaft state feedback, comprising: constructing multi-motor virtual total shaft control model, through virtual main shaft output setting expected traction torque value and setting each physical motor as follow motor;According to the state data of each motor collected, the state and disturbance of each motor are jointly probabilistically modeled using a pre-set modeling method, to generate the estimated mean and covariance of each motor state;Design a nonsingular terminal sliding surface and calculate the control signal;Set the soft saturation buffer range and construct a soft switching function, buffer the control signal and output the modified control signal;According to the modified control signal, the synchronization control of multi-motor traction output is realized.The multi-motor dynamic synchronous regulation and control method of the application can improve the synchronization stability, anti-interference ability and output smoothness in complex dynamic environment.

A split stream cooling system splits a first gas stream into second and third streams, expansion cools the third stream, and then passes the second and third streams through a heat exchanger to transfer heat from the second stream to the third stream. Consequently, pressure in the third stream is converted into cooling of the second stream. A vehicle transports cryo- compressed hydrogen in a glass-reinforced storage vessel whose strength is increased by the cold temperature of the hydrogen. The cryo-compressed hydrogen may be transported within an insulated space that is cooled by a liquid nitrogen cooling system. Liquid nitrogen may be used as a ballast within the storage vessel. Various systems and methods safely store and transport compressed flammable or dangerous fluids, e.g., by controlling ventilating air exchange rates, transferring gas via a double-walled transfer hose, or sensing flames with a tubing-based temperature sensor.

This tank (2) intended to contain a gas under pressure comprises: - an internal volume (4) for storing a gas under pressure, called the "internal volume of the tank", - a heating element (12) provided within the internal volume of the tank (4), - a temperature sensor (14) provided within the internal volume of the tank (4), and - a protective element (16) for the temperature sensor (14) provided within the internal volume of the tank (4), between the heating element (12) and the temperature sensor (14). Figure 2 (for abbreviations)

A hybrid fault protection circuit (HFPC) includes an input, an output, a resistor-fuse circuit, an electrically-controlled safety switching device (ESSD) and an overload protection module (OPM). The input receives power from a power source. The output outputs power to a high-power cyclical load. The resistor-fuse circuit includes a resistor and one or more fuses collectively being connected in series with the resistor. The ESSD includes a coil and contacts. The contacts are connected in parallel with the resistor-fuse circuit. The OPM: arms the HFPC by energizing the coil and closing the contacts to supply load current from the input to the output via the contacts when a fault downstream from the HFPC does not exist; detects a fault downstream from the HFPC; and, in response to detecting the fault, opens the contacts to cause fault current to pass through the one or more fuses and not across the contacts.

To provide a management method for optimizing production or restocking of hydrogen at distribution stations as well as supply of hydrogen to vehicles, with control of production and purchase costs.SOLUTION: A method for managing supply of hydrogen to a moving vehicle 1 from hydrogen distributed by a distribution station 7 comprises: collecting, by at least two sensors (sensor 2, geolocation means 3) mounted on a vehicle, at least two parameters relating to the moving vehicle, including at least geolocation of the vehicle; transmitting the parameters to a control module 5; collecting, by at least one quantification means 12, at least one parameter relating to the hydrogen available in the hydrogen distribution station; transmitting the parameter to the control module; identifying at least one hydrogen distribution station when the vehicle moves; and informing the user of the vehicle about the available hydrogen distribution station and about hydrogen refueling conditions in the identified hydrogen distribution station.SELECTED DRAWING: Figure 1

The purpose of the present invention is to provide a self-propelled pallet transport apparatus in which the configuration can be simplified and for which breakdown and assembly can be facilitated. In the present invention: a transport path is configured by linking a plurality of frames along a prescribed route; a cartridge provided with a plurality of rollers is installed on the two left and right ends of the frames in a lateral cross-section thereof, whereby a left-side roller conveyor and a right-side roller conveyor are configured along the prescribed route; and a self-propelled pallet is caused to travel on the left-side roller conveyor and the right-side roller conveyor, whereby desired articles to be transported are transported.