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Korea Railroad Research Institute patents


Recent patent applications related to Korea Railroad Research Institute. Korea Railroad Research Institute is listed as an Agent/Assignee. Note: Korea Railroad Research Institute may have other listings under different names/spellings. We're not affiliated with Korea Railroad Research Institute, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Korea Railroad Research Institute-related inventors


Locking device for containers

The present disclosure suggests a locking device for containers. A locking device for containers according to an exemplary embodiment of the present disclosure includes: a housing including a base part, a protrusion protruded upwards from an upper surface of the base part, and a through hole formed by penetrating the base part and the protrusion in a vertical direction; a connection part rotatably inserted into the through hole of the housing; an upper cone positioned on the connection part and inserted into a lower corner fitting of a first container positioned on an upper end; and a lower cone positioned under the connection part and inserted into an upper corner fitting of a second container positioned on a lower end.. ... Korea Railroad Research Institute

Collapsible container and apparatus for opening and closing the same

A foldable container according to an exemplary embodiment of the present disclosure includes: a lower panel; an upper panel provided in parallel with the lower panel; first and second lateral panels of which upper and lower ends are respectively connected to the upper panel and the lower panel to be rotatable along a longitudinal direction of the upper panel and the lower panel and which are configured to be folded toward the inside of the foldable container; and front and rear panels connected to the lower panel to be rotatable along a transverse direction of the lower panel.. . ... Korea Railroad Research Institute

Friction apparatus

A friction apparatus is provided. The friction apparatus includes: a first member having a first surface; and a second member having a second surface that contacts the first surface, and moving while in contact with the first member, wherein at least one of the first surface and the second surface is hardened.. ... Korea Railroad Research Institute

Versine trolley-type equipment for inspecting track irregularity

Provided is versine trolley-type equipment for inspecting a track irregularity, having sensors respectively provided to a trolley so as to measure a height difference, direction misalignment, gauge irregularity, rail longitudinal slope, cant and the like of railroad rails, and simultaneously measuring the height difference and direction misalignment of a left rail and a right rail so as to reduce a measurement time by half and, also, allowing left and right measurement frames to freely move in a vertical direction within a predetermined range, thereby bringing front and rear trolley wheels of the left and right measurement frames into close contact with the rails all the time even if the rails are warped.. . ... Korea Railroad Research Institute

Carbon fiber layer having carbon coating

A carbon fiber layer having a carbon coating is provided. The disclosed carbon fiber layer having a carbon coating includes: a carbon fiber layer in which a plurality of carbon fibers are arrayed; and a thin carbon film layer, comprising carbon, coated on the surface of the carbon fiber layer.. ... Korea Railroad Research Institute

Energy harvester and wireless sensor device having energy harvester

A wireless sensor device includes: an energy harvester configured to convert vibration generated from a broadband vibration source into electricity, an elastic member arranged to receive the vibration and a communication unit fixed by the elastic member, supplied with the converted electricity from the energy harvester, and configured to transmit sensing information obtained by sensing a measurement target. The elastic member operates as a mechanical filter configured to limit a frequency range and an acceleration magnitude of the vibration to be transferred to the communication unit for stabilizing the performance of the communication unit, and the communication unit is arranged to receive vibration passing through the elastic member.. ... Korea Railroad Research Institute

Charging apparatus for unmanned aerial vehicles and method thereof

A charging apparatus for unmanned aerial vehicles and a charging method thereof. The charging apparatus includes: a transmit coil provided to a charging station and generating a magnetic field; a reception coil generating induced electromotive force according to variation of magnetic flux of the transmit coil; a reception coil adjuster adjusting at least one of an inclination and an orientation of the reception coil; and a controller controlling at least one of the inclination and the orientation of the reception coil by controlling the reception coil adjuster according to magnitude of the induced electromotive force generated in the reception coil by the magnetic field generated in the transmit coil.. ... Korea Railroad Research Institute

Apparatus and method for controlling ptt service by multiplexing call originator and floor arbitrator

A method of mission critical push to talk (mcptt) service performed by a mobile terminal includes: generating, at the mobile terminal, a group call announcement for off-network mission critical push to talk (mcptt) service, the group call announcement for off-network mcptt service including information of a period of the group call announcement for off-network mcptt service; controlling a transceiver to periodically transmit, to one or more mobile terminals, the group call announcement for off-network mcptt service based on the period; in response to the transmitted group call announcement for off-network mcptt service, receiving a response from the one or more mobile terminals; and establishing, based on the response from the one or more mobile terminals, a group call with the one or more mobile terminals by setting a direct wireless communication with the one or more mobile terminals.. . ... Korea Railroad Research Institute

Rail tie having embedded automatic differential settlement compensation apparatus using oil pressure for railroad tracks

By supporting a space generated by a settlement of the track bed gravel or asphalt roadbed underneath a concrete rail tie with cylindrical rods, and installing the present invention, one each separately, on the left and right sides of the concrete rail tie, recovery from settlements is automatic, and the response to differential settlements of the left and right rails of the track due to the train load can be easily facilitated, and by installing pressure reducing valves on the upper part of the concrete rail ties, pressure can be reduced while maintaining the track system as is without having to dismantle the concrete rail ties, and accordingly the usability of the concrete rail ties can be improved.. . ... Korea Railroad Research Institute








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