B61F9/005

PROTECTED MAGNETIC FASTENING SYSTEM
20180029618 · 2018-02-01 ·

According to some embodiments, a railcar comprises an interior wall and guard strips magnetically coupled to the interior wall. Each of the guard strips comprises a cushioning material for absorbing impact. The guard strips are configured to prevent an object loaded in the railcar from contacting the interior wall. The railcar further comprises protected magnetic fastening systems coupling each of the guard strips to the interior wall. Each of the protected magnetic fastening systems comprises a magnet and a rod comprising a first end and a second end. The first end is coupled to the magnet, and the second end extends through the guard strip. The protected magnetic fastening system may further comprise a cup washer coupled to the second end of the rod and secured with a fastener. The cup washer partially surrounds the fastener to restrict objects larger than the cup washer from contacting the fastener.

DERAILMENT MITIGATION DEVICE USING TEMPERATURE
20240425091 · 2024-12-26 ·

A portable, single-fixation, magnetic derailment mitigation device may be fixed on a rail track for measuring the deflection of the rail track. The magnetically fixing device is used for measuring vertical track deflection (sleeper voids), horizontal track deflection, ambient and rail temperature, rail angle, vibration, displacement, and location. The derailment mitigation device sends digital notifications and/or alarms during the live train and/or freight operations to help prevent derailments, rail buckles, breaks, and pull apart. The measured data and/or all events obtained from the derailment mitigation device is stored in the data storage such as cloud storage and viewed from any smart devices.

Apparatus for estimating lateral forces of railroad vehicles
09637148 · 2017-05-02 · ·

The present disclosure relates to an apparatus and a method for estimating a lateral force applied to a bogie due to contact between a wheel and a rail when a railroad vehicle drives in a curved section, the apparatus including: a lateral velocity estimation observer configured to calculate a lateral velocity estimate by estimating a lateral velocity based on a vertical acceleration, a lateral acceleration, a yaw velocity, and a wheel angular velocity of the railroad vehicle; and a lateral force estimation observer configured to calculate a lateral force estimate, by estimating a lateral force applied to a bogie of the railroad vehicle based on a steering angle of the railroad vehicle, a vertical force applied to the railroad vehicle, and a lateral velocity estimate calculated by the lateral velocity estimation observer.

Ultralight two-track train that does not derail
12240504 · 2025-03-04 ·

The ultralight two track train that does not derail, made up of one or more ultralight wagons and aerodynamic, oval or semi-oval transverse profiles, characterized in that the wagons carry vertical or inclined wheels or pulley wheels in their lower area and supported by the chassis of the wagons, which rest and roll on a pair of vertical or inclined rails, the channels of the pulley wheels are supported and held on the head of circular, semicircular or semi-oval section of the rails, the heads of the rails being trapped with the pulley wheels, adding pairs of wheels that use a common axis, the rails are coupled and fixed tongue and groove to the sleepers or to some monolithic structures or channels, the sleepers are fixed using the track system on concrete slab, using electrical supply means, propellant means and reducing means of the front, rear and lateral resistance of the wagons, adding wheels with permanent magnets or with electromagnets that are attached, or run close and attracted by the rails.

System and method for rail scanning using electromagnetic engines

A system and method for scanning and evaluating a portion of rail operable for travel by a wheeled bogie having a plurality of electromagnetic engines. The electromagnetic engines are generally operable to generate an electromagnetic field that is operable to penetrate a rail. A resulting eddy current may be generated that is further operable to penetrate the rail. As the electromagnetic engines travel along the rail, readings from the electromagnetic field and resulting eddy current may be used to detect differences in the rail as measured with respect to a nominal rail. The defects detected may be head checks, cracks, corrosion, etc. Further, a treated rail section may be utilized to strengthen the rail itself without compromising non-destructive evaluation. The disclosed system and method may be embodied as a computer program product.

Railway installation synchronization monitoring system

A railway installation monitoring system may include: a laser generator that is provided on a train; a camera that is operated in connection with the laser generator so as to be capable of monitoring a railway installation and of acquiring image information data that is measured; a three-dimensional image information conversion device that uses the image information data acquired by the laser generator and the camera and converts the data into three-dimensional image information; a position determination unit that determines the position of the railway installation to be measured; a signal processing device that sends an operating command for the laser generator or/and the camera; and an overall data processing device that processes, analyzes, interprets, or stores the image information data, the three-dimensional image information, or the data transmitted from the position determination unit.

System and method for traversing a non-moving rail switch using electromagnetic engines

A system and method are disclosed enabling the use of electromagnetic engines to traverse a wheeled bogie assembly across a plurality of rails. The electromagnetic engines may be used within a rail assembly comprising four rails and a frog assembly. Further, the electromagnetic engines may be used to traverse between a straight path and a turnout path at a non-moving rail switch having a frog assembly. In one aspect, an algorithm for powering various coils is disclosed wherein the algorithm controls the power level to switch tracks connected to the frog assembly.

Method and device for detecting a derailed state of a rail vehicle

A method and device for detecting a derailment state of a rail vehicle, wherein at least one kinematic variable is respectively measured via first and second sensors with respect to first and second wheelset end portions and corresponding measurement signals are formed, processed and evaluated, where values of first and second falling velocities y with respect to the first and second wheelset end portions are respectively calculated from the measurement signals via a computing unit and a derailment state of the rail vehicle is detected via a first comparison operation of the first falling velocity and the second falling velocity with a first falling velocity limit value and a second falling velocity limit value, which has a greater magnitude than the first falling velocity limit value such that a high level of certainty in the detection of derailment states is achieved.

Pressure sensing probe

In one embodiment, a probe includes a first facet associated with a first pressure port operable to measure a first wind pressure, a second facet associated with a second pressure port operable to measure a second wind pressure, and a third facet associated with a third pressure port operable to measure a third wind pressure. The second facet is adjacent to the first facet and the third facet adjacent to the second facet. The probe further includes a fourth facet adjacent to the third facet and a fifth facet adjacent to the fourth facet and to the first facet. The first facet, the second facet, the third facet, the fourth facet, and the fifth facet are located between a first end portion and a second end portion of the probe.

System and method for guidance control on a wheeled bogie

A system and method for guidance control on a wheeled bogie is disclosed herein. An electromagnetic engine may be coupled to the wheeled bogie such that the electromagnetic engine may generate magnetically attractive forces between the electromagnetic engine and the rail. The generated force may be used to increase traction for braking and climbing operations. Further, the generated force may be used to counteract hunting oscillation. Still further, the generated force may be used to counteract lift generated by the wheeled bogie operating in a turn with cant.