1482results about "Ballastway" patented technology

Apparatus and methods are described for ensuring that blood transfused into a patient is the correct blood for that patient, is transfused in the correct manner and that a complete audit trail is created that will allow later tracing of blood from donation through to ultimate transfusion.

The invention provides a polyurethane resin composition, a preparation method and application thereof. The polyurethane resin composition comprises a component A and a component B, wherein the component A contains polyolein polyatomic alcohol, a plasticizer, an anti-settling agent and other auxiliary agents; the component B is isocyanate or prepolymer of the isocyanate; and the mass ratio of the A to the B is 10:1-1:10. A pouring material containing the resin composition can be used as a patching material for a cement road bed, a boss resin layer and a mortar packing layer of a railway plate-type unballasted track and has the advantages of high water resistance, ageing resistance and low temperature resistance, long service life and capability of being used at a low temperature.

The present invention relates to ballast which have a high stability and a long service life and to a process for the production of ballast. These ballast are suitable for railway track laying and road construction and dike systems used for example in costal protection. These ballast comprise ballast stones and polyurethane foams based on a reaction mixture of selected polyisocyanates and selected compounds with isocyanate-reactive groups.

A railway crosstie is adapted for use in a track system having a pair of rails supported on longitudinally spaced crossties. The railway crosstie includes an I-beam member made of a combination of recycled materials.

The present invention relates to railway ballast bed accessory, and is especially one kind of elastic bearing plate for use under ballast bed of railway. The elastic bearing plate includes antiwear elastic layers(s) and one buffering elastic body below or inside the antiwear elastic layers(s). The buffering elastic body has relatively lower area rigidity or elastic modulus. The elastic bearing plate has high elasticity, high bearing capacity, high durability, long service life, excellent buffering effect, and capacity of lowering vibration and noise greatly. It may be applied widely under ballast bed of railway for buffering and damping.

A splice plate for stringers designed to connect two adjacent stringers at least three independent pieces, a connection rod being designed to be fixed by two opposite extremities to two adjacent stringers, and at least two connecting plates, each connecting plate being designed to be fixedly joined to a first extremity of one of the two stringers, and by a second extremity of a cross bar disposed between the two stringers. The disclosed embodiment also relate to a device for orbital fixation including at least one stringer splice plate splice bar.

A system for identifying rail weights applicable to worn railroad rails measured along a railroad track system includes at least one track measurement device for recording at least a portion of a profile shape of the worn rails, and, a data processor running a software implement for accepting recorded data as input data from the at least one track measurement device and for processing the input data against known unworn railroad rail data to facilitate selection and application of the appropriate rail weights equated thereto to the worn railroad rails.

The present invention provides an analog quantity display method of counting displacement of a probe disposed in contact with an object to be measured and analog-displaying the obtained count value by an analog display section as an analog quantity. If a peak value of the count value exceeds a possible analog-display range of the analog display section, an offset provided for the analog-displayed count value is updated in such a manner that the peak value is displayed within the possible analog-display range. Further, an analog quantity measuring method is provided, which comprises counting displacement of the probe, compares the obtained count value with a peak value of the count value, holds the count value as a new peak value depending upon a result of the comparison, and executes the comparison and the holding of the peak value again if the difference between the present peak value and the present count value exceeds a predetermined value. The analog quantity display and measuring methods are applicable to a digital/analog display type measuring instrument comprising a counter for counting the displacement of the probe in contact with the measured object, a digital display section for digitally displaying the count value, and an analog display section located adjacent to the digital display section, for displaying the count value as the bar graph comprising the large number of analog bars arranged in juxtaposition in one direction.

A light emitting element and a method for manufacturing the same are disclosed. In accordance with the element and the method, the dielectric thin film including the embossed pattern partially covering the sapphire substrate prevents damage of a sapphire substrate that occurs during a texturing of the sapphire substrate and a defect of an epitaxial thin film formed in a subsequent process.

A method of surveying a section of a railway to determine amounts of ballast to be replaced keyed to position coordinates of track locations includes moving a survey vehicle along the railway, optically scanning the track at selected intervals to obtain optical data points with associated position coordinates, recording images at the intervals with position coordinates, recording position coordinates of no-spread zones, processing the optical data points to derive ballast unit weights associated with locations along the track, detecting anomalous unit weights, accessing images associated with the locations of the anomalous unit weights, accessing the anomalous unit weights to adjust as necessary, and loading the adjusted data into a computer of a ballast train to control the application of replacement ballast along the track according to the detected position of the ballast train.

The invention is hollow structural members, a rail system based thereon and method of manufacturing such hollow structural members. Embodiments of the structural members may be hollow triangular prism-shaped with a cross-section that is triangular, isosceles, hexagonal or otherwise. Embodiments of rail systems based on hollow structural members are also disclosed. Embodiments of the rail systems disclosed herein may also include reaction assemblies for local dissipation of stresses due to thermal expansion of track materials.

The present invention discloses a cinderless railroad bed and its construction method. Said cinderless railroad bed has the characteristics of high strength, large rigidity, good stability and durability, and includes the following several portions: reinforced concrete supporting piles which are longitudinally spaced and arranged along the railroad bed; reinforced concrete bearing plates which are rigid fixedly connected in the upper end of said reinforced concrete supporting piles; and earth railroad bed which is filled between the reinforced concrete bearing plates and railroad bed foundation. Besides, said invention also provides the concrete steps of its construction method.

A multilayer piezoelectric generator is disclosed comprising a round, rectangular or other shaped box having a cover. In the box are top and bottom electrodes and a plurality of electricity generating layers. Each Layer comprises a plurality of piezoelectric rods held in place by a matrix layer that fits snugly in the box and configured to accept shear strains developed in the rods when pressure is applied to the cover. The layers are separated by central electrode layers. The structure is configures such that pressure is evenly spreads among all the rods and causes the rods to make contacts with the electrodes. Rods in adjacent layers are oppositely poled, and the electrodes are configured and wired such that all the rods are connected parallel such that their generated charge is summed. Adaptation of the generator to its application is done by changing the number and thickness of the layers.

The invention relates to a reinforced fiber composite sleeper for supporting railway tracks. The reinforced fiber composite sleeper is one made from reinforced fiber materials, fiber felts or weaving cloth through resin impregnation, formed by the pultrusion of a forming die for designing the shape of the section and solidified in the forming die. The invention overcomes the defects of the known techniques, has ideal strength and elasticity and good insulating property compared with the common concrete sleeper and the anticorrosive wooden sleeper, and ensures the safe running of the trains. In addition, with the good elasticity, the reinforced fiber composite sleeper greatly enhances the whole elasticity of the track structure and reduces the influence on roadbeds from the vibration of the trains and the environmental pollution from the noise of the trains during running; with the good insulating property, the reinforced fiber composite sleeper has no influence on the track circuits so as to ensure the safe running of the trains. The invention has the advantages of simple manufacturing, easy forming and short production period, and is capable of realizing the mechanical and continuous production. Besides, the length of the reinforced fiber composite sleeper can be cut and processed according to the determined length requirements, and the waste sleepers can be treated and recycled easily.

The present invention provides a cross-tie having an elongated body that comprises a reaction rail supporting section, two running rail supporting sections and a power rail supporting section. The reaction rail supporting section is adapted for supporting a reaction rail and the two running rail supporting sections are each adapted for supporting a respective running rail. The power rail supporting section is adapted for supporting at least one power rail.

An urban rail transit shock absorption type floating slab rail system comprises a floating plate (1), a tunnel foundation (5) and a steel rail (2). The steel rail (2) is fixed to the floating plate (1) through fasteners (3). The floating plate (1) is arranged on the tunnel foundation (5) through a vibration isolator (4). The tunnel foundation is arranged in a tunnel (8). The urban rail transit shock absorption type floating slab rail system further comprises a shock absorption device arranged on the floating plate (1), The shock absorption device is composed of shock absorption blocks (6) or shock absorption strips (10) and an elastic damping element (7) and is arranged on the floating plate (1) discretely. Some lines of the shock absorption blocks (6) are arranged within the width range of the floating plate (1), and the other shock absorption blocks (6) are arranged within the length range of the floating plate (1). The urban rail transit shock absorption type floating slab rail system is simple in structure and convenient and feasible to assemble and detach; the low-frequency-band vibration isolation effect of the floating plate is improved, the disadvantageous influence that vibration is amplified when the frequency of the floating plate is close to the inherent frequency is restrained, and the urban rail transit shock absorption and noise reduction control and the social harmonious development promotion are facilitated.

A toy vehicle slot track is disclosed with at least a pair of toy racing vehicles and at least a pair of guide slots, each guide slot in turn having a pair of exposed power supply rails. The toy vehicles are guided about the track by guide pins affixed to the toy vehicles, the guide pins running within the guide slots. In a first portion of the track, the guide slots are spaced apart at a distance greater than the maximum width of the toy vehicles. In a second portion of the track, the guide slots are spaced apart at a distance less than the maximum width of the toy vehicles. The power supply rails run parallel to and at a uniform spacing from the guide slots in both portions of the track, providing power in both track portions to electric motors contained in the toy vehicles.

A notched tie plate insulator adapted to be received within a recessed area of a tie plate of a railroad rail system. The insulator includes a bottom plate having a first side and a second side and a pair of side plates attached to the bottom plate. Each side of the bottom plate defines a notch therein. The side plate includes a longitudinal extending body having an upper surface and a lower surface and defining a recess on the upper surface and a protrusion on the lower surface, wherein the protrusion of each of the side plates is received within the notches of the bottom plate.

This invention provides a surveillance camera unit that is suited for secure placement in an upper corner of a room, abutting two walls and a ceiling, allowing the day or night surveillance of an entire room with a field of view that captures the scene of the entire floor and all four walls, under bright light conditions and under no-light. The upper corner placement is ideal for minimizing the risk of an observed person grabbing onto the unit or tying something to it, either for purposes of destroying himself, the unit, or the surveillance camera equipment within the unit. The unit is substantially a truncated tetrahedron, with each of the four corners truncated and sealed. A back angle of a few degrees greater than perpendicular of each of the rear walls with respect to each of the other walls of the unit allows it to be mounted snugly within a corner even where the angles of the walls of the room are not square angles. A pair of windows in the corner unit, with an opaque wall separating the windows, allows illumination through one window without flashback off the window reaching the camera, which is pointed through the other window.

The invention belongs to the technical field of medium-low speed magnetic levitation traffic engineering, and in particular to a lowly arranged wire structure used in a medium-low speed magnetic levitation traffic engineering fill section. The lowly arranged wire structure comprises bearing rail beams, a soil filling roadbed structure and internode mistake-proofing bedplates, wherein the bearing rail beams comprise track and guide track bearing structures and bottom plates; a gap is formed between every two adjacent bottom plates; a lower bearing rail beam pad layer is arranged between the bottom surface of each bearing rail beam and the top surface of the soil filling roadbed structure; the internode mistake-proofing bedplates are arranged at the bottom of the gaps between adjacent bottom plates and are positioned between adjacent lower bearing rail beam pad layers; bearing rail beam refilling protection layers are arranged on the top of the soil filling roadbed structure; waterproof sealing layers are arranged on the surfaces of the bearing rail beam refilling protection layers; evacuation platforms and auxiliary construction connector systems are arranged on the tops of the bearing rail beam refilling protection layers. The lowly arranged wire structure can meet the requirements of stable operation of a magnetic-levitation train, is sufficient in strength and deformation resistance, and can ensure long-term stability of a roadbed main body below the bearing rail beams in various natural environments.

The present invention provides systems and methods for global address verification of a transaction, such as a transaction card purchase. In accordance with an exemplary embodiment of the present invention, the system verifies a billing address and/or an alternate address (e.g., shipping address) in a single transaction. The billing address and/or the alternate address are associated with a transaction card purchaser. If the billing and/or alternate addresses are verified, then the transaction card issuer may offer a payment guarantee to the merchant. The merchant may choose to ship the purchased item to either a billing address or an alternate address. If the address is not verified, then the transaction card issuer may choose not to offer a payment guarantee to the merchant, and the merchant may choose not to ship the item to the alternate address.

A railway grade crossing apparatus comprises at least one rectangular gauge panel of precast concrete with resilient bumpers on opposing sides for closely fitting between the rails and rectangular field panels of precast concrete, each having a resilient bumpers on one side for placement between the outside of each rail and the adjacent road abutment, the gauge and field panels having means for attaching lifting a device to the top surface of the panel, and the method of installing said apparatus comprising lifting the panels into place with a bumper abutting the side of a rail, and exerting a lateral force on the panel toward the rail to compress the bumper whereby the opposite side may be urged downward into place and releasing the lateral force to allow the resilience of the compressed bumper to adjust the lateral position of the panel to a final position between the rails or rail and road abutment.

Elastomeric pads are shown for positioning on top of railroad ties. Pre-cast concrete panels that are commonly provided at railway grade crossings between and alongside the rails rest on the pads. The pads may be extruded from a variety of natural or synthetic elastomeric materials. The pads include a panel or body formed of the elastomeric material with an exterior surface. A synthetic, polymeric coating is applied to at least selected portions of the exterior surface of the elastomeric body. The coating provides improved properties which allow more standard elastomers to be utilized for the main body of the component. The coatings can also be applied to railroad tie boots to provide increased ozone resistance.

The invention provides an unsaturated resin composition as well as a preparation method and a purpose thereof, wherein the unsaturated resin composition contains a component A and a component B, the component A contains an acrylic resin or a prepolymer thereof, a diluent, a toughening agent, a thixotropic agent and other assistants; the component B contains a peroxide initiator and a plasticizer,and the mass ratio of A to B is 100:1 to 100: 50. The preparation method of the composition is simple and is beneficial to rapid production. A repairing material containing the composition and used as a railway plate type ballastless track cement road bed, a boss resin layer and a mortar filling layer solves the problems of poor water resistance, impact resistance, aging resistance and low temperature resistance existing in the traditional repairing material.

According to the present invention, the A/R, the ratio of cross sectional area A of scroll passage to scroll radius R can be increased without increasing the size of the turbine casing and with very simple construction and exhaust turbine capacity can be increased, so a variable-throat exhaust turbocharger with which engine output can be increased is provided. The turbocharger is equipped with a nozzle throat area varying mechanism of which the nozzle assembly unit is composed such that a plurality of nozzle vanes are supported rotatably by an annular nozzle mount and an annular nozzle plate is connected to the nozzle mount by means of a plurality of nozzle supports to sandwich the nozzle vanes, the nozzle plate is located in the scroll chamber by attaching the nozzle assembly unit to the turbine casing to allow the nozzle plate to form part of the inside sidewall face of the scroll chamber and a wall face of the annular flow passage.

A composite load bearing member is provided comprising an elongated inner structural member and a thick polymeric composite outer member. An apparatus for producing the composite load bearing member is provided including devices for suspending the inner structural member within a mold cavity prior to and during injection of the polymeric composite outer member. A method of using the apparatus to produce the composite load bearing member is provided.

An insulation system for an embedded track construction for a transit railway having spaced parallel railway rails includes a rail boot for substantially enclosing each of the rails along its length, rail clips extending on each side of each of the rails for securing the rails to supporting ties, and fillers extending on each side of each of the rails, frictionally engaging and removably mounting the rails to an associated one of said rail clips. The fillers cooperate to provide a coplanar roadway with said rails.

The invention belongs to the field of vibration control and relates to a slab end isolation mounting device for supporting a floating slab in a floating track bed. The slab end isolation mounting device comprises a top slab, a bottom slab, an elastic element and a damping element, wherein the elastic element and the damping element are arranged between the top slab and the bottom slab. The slab end isolation mounting device is characterized in that the top slab is provided with a slab end horizontal limiting device; the slab end horizontal limiting device comprises a slab end transverse limiting device or/and a slab end lengthwise limiting device. The slab end isolation mounting device and a prefabricated short slab in the length of 1.2-8m form the structure of the floating track bed together, the prefabricated production and lifting construction of the floating slab are possible, and the prefabricated short slab is limited lengthwise and transversely through the slab end horizontal limiting device, so that the stability and safety of the structure of the floating track bed in the travelling process are guaranteed, the construction speed is greatly improved, the construction period is further shortened, the construction difficulty is reduced, and the production cost is saved. The isolation mounting device is high in practicability, safe, reliable and high in cost performance and has a wide market application prospect.

The invention belongs to the technical field of high-speed railway ballastless track repairing and provides a high-speed railway ballastless track line rapid repairing method in order to solve the problem that at present, a complete set of effective, rapid and systematic repairing method is not available for existing high-speed railway ballastless track lines. The high-speed railway ballastless track line rapid repairing method comprises the steps of line-to-line physical isolator installation, track sawing and moving, integral concrete track bed cutting and transporting, subgrade bed surface layer graded broken stone measurement leveling, supporting layer construction, track bed slab construction, steel track welding locking, track fine adjustment, road shoulder waterproof and drainage engineering and related engineering installation; line-to-line physical isolator demolition, line-to-line sealing layer and related engineering recovery, steel track polishing derusting, line-to-line waterproof construction, and drainage side ditch and side ditch platform recovery construction. Implementation is easy, and the high-speed driving requirement is met after repairing; the repairing and reinforcement effect is good, and the situation that a problem happens again to a ballastless track is effectively prevented; and the high-speed railway ballastless track is efficiently, rapidly, completely, systematically and comprehensively repaired and maintained, so that the safety of railway operation and the long-term durability of the structure of the ballastless track are ensured.

A mobile railway track repair apparatus (10) that includes a mobile unit (11) having a cab (22) rotatably supported on a dual mode undercarriage (21) wherein, a boom unit (12) is pivotally supported by the cab (22) and includes a boom support column (31) pivotally attached to a boom arm (32) having a universal connector unit (13) provided on its lower end (34).

In addition, the universal connector unit (13) is operatively connected to an undercutter assembly (50) wherein, a plurality of hydraulic piston elements (35) (35′) and (35″) are employed to manipulate the boom support column (31), the boom arm (32), and the universal connector unit (13) to position the undercutter assembly in a generally transverse relationship to the rail bed (101) to extract weakened ballast (104) from beneath the railroad track (100).