Abstract:
Implementations are described for maintaining helium/air mixture within a tube in an evacuated tube transportation system. A first implementation includes a set of helium tanks uniformly fitted along the tube length, where helium is injected with controlled valves that open or close to maintain the desired level of helium. An operations control center (OCC) receives helium concentration levels in the tube and instructs a controller in the tube to release helium into the tube when detected levels of helium is lower than the desired level of helium. Another implementation is described where a capsule traversing the tube may have a source of helium gas that can be released into the tube. A hybrid approach is also described where helium can be released from a source within the tube and from another source within the capsule.
Abstract:
A device for the transport of singled objects comprising a first tube section, delimiting a loading channel from a rear aperture to a front aperture, a loading aperture for the insertion of the singled object in the loading channel, a second tube section connected to the rear aperture of the first tube section and delimiting a guide channel, a thrust generator suitable to generate in the loading channel a thrust in the transport direction, a transport support suitable to accommodate the object and arranged in the loading channel in such a way as to be launched in the transport direction along the guide channel and a rebound device positioned in the guide channel to make the transport support bounce, causing the release of the object from transport.
Abstract:
A system and method is provided for traversing inside one or more pipes. In an embodiment, a fluid is injected into the one or more pipes thereby promoting a fluid flow. An inspection device is deployed into the one or more pipes at least partially filled with a flowing fluid. The inspection device comprises a housing wherein the housing is designed to exploit the hydrokinetic effects associated with a fluid flow in one or more pipes as well as maneuver past a variety of pipe configurations. The inspection device may contain one or more sensors capable of performing a variety of inspection tasks.
Abstract:
A recognition machine 40, 90 connected to a pneumatic tube 14 is provided separately from a money change machine 20, 70. The recognition machine 40, 90 includes a recognition unit 46, 96 configured to recognize a paper sheet or a coin having been put thereinto, and a storing mechanism 48, 98 configured to store the paper sheet or the coin having been recognized by the recognition unit 46, 96, into a storing member for pneumatic tube 16 to be transported by a pneumatic tube 14. A control unit 60, 100 is configured to calculate a deposit amount of the paper sheet or the coin, by adding up information relating to the paper sheet or the coin stored in the money change machine 20, 70 and information relating to a paper-sheet recognition result or coin recognition result by the recognition unit 46, 96 of the recognition machine 40, 90.
Abstract:
Provided herein is a pneumatic carrier having a leak resistant cargo area where first and second mating shells form the carrier. To provide a leak resistant cargo area, the one embodiment of the carrier employs a flap-type sealing member. In one embodiment, a first engagement surface about a peripheral edge of a first of the shells includes a groove into which a base portion of a sealing member is disposed. A second portion of the sealing member forms a flap that extends upward and inward from the base portion. A second engagement surface of the second shell contacts this flap and compresses the flap toward the first engagement surface when the shells are in a closed position.
Abstract:
Methods and devices are provided for transfer of particulate material, such as biomass feedstocks, into and out of pressurized reactors. Improved sluice devices have an L-shaped sluice chamber having an upper, vertical component in communication with a horizontal loading chamber and a lower component in communication with a vertical reactor inlet or outlet. Piston valves seal the sluice inlet and outlet by axial displacement across the vertical component of the sluice chamber and across the vertical reactor inlet or outlet. Relative to other methods for reactor unloading, these devices consume less steam and significantly reduce furfural content of unloaded, pretreated biomass. An optional hybrid plug/sluice method of biomass feeding using the devices permits biomass loading at sluice pressures intermediate between atmospheric and reactor pressure, thereby reducing “pump cycle” time and increasing biomass throughput capacity.
Abstract:
Provided herein is a system and method for providing inter-zone connections between first and second portions of a pneumatic tube system. The systems and methods (i.e., utilities) permit creating a direct pneumatic path between the first zone and the second zone. In this regard, air pressure or vacuum from a first zone may be utilized to effectuate transfer of a carrier through a portion or all of the second zone and/or to provide operating pressure or vacuum to the second zone.
Abstract:
A device for transporting articles is disclosed. In the illustrated and described embodiment of the invention, the articles are fruit such as apples, and the articles can be transported from a picking location on a fruit tree to a collection bin or other site. The device includes a tube member adapted to receive and transport the articles, and a plurality of deformable baffles at spaced-apart locations within the tube. Each baffle defines an aperture which permits the article to engage and deform the baffle and aperture so as to create at least a partial momentary seal to encourage article movement through the aperture and down the tube. The article is urged through the tube by a pressure differential created across the article. In the described and illustrated embodiment of the invention, this pressure differential is a pneumatic pressure differential. The tube and the baffle apertures can have non-circular cross-sectional shapes.
Abstract:
A pneumatic tube transport system for grossly irregular shaped objects is disclosed. The system comprises a pneumatic tube and a series of one or more flexible, sealable bags adapted to contain the objects to be transported. The bags may be fenestrated, but, if desired, the bags can be designed and manufactured so that when they are filled and sealed, they can assume a generally inflated shape. The bags can be made out of a thin material such as that found in a grocery store produce section or check out area. A bag providing apparatus can be supplied either to the individual picker in the field or to the region near the entry to the pneumatic tube. If desired, an inflating device and a bag sealing device can be provided. After placement of the object(s) into the bag these devices can inflate and the seal the bag and then allow for its quick release and deposition at the entry end of the pneumatic tube. In accordance with another aspect of the invention, the tube can be provided with a series of baffles to encourage rapid yet gentle travel of the bag and the enclosed fruit or other objects down the pneumatic tube.
Abstract:
A transportation system and method for rider propelled vehicles, such as bicycles, is disclosed, the system including a covered structure having a surface for movement thereover of the vehicle. Air is moved through the structure in a direction and at a selected velocity sufficient to aid movement of a vehicle through the structure. Relative elevations of the surface of the structure between entrance thereto and exit therefrom are selectable independently from ground grades found at the site of system installation.