|
Match
|
Document |
Document Title |
|
|
8104722 |
Transporting system, and method of controlling the transporting system
A transporting system is provided with: a track having a junction point; a plurality of transporting vehicles, each travelling on the track; and a transferring device which has (i) a left portion...
|
|
|
7959112 |
Wheel detection and classification system for railroad data network
A system for detecting and classifying a wheel of a rail vehicle traveling on a railway track includes a plurality of wheel detectors coupled to one rail of the railway track and configured to...
|
|
|
7938370 |
Method for measuring the speed of a rail vehicle and installation therefor
In order to measure a speed of a vehicle having an antenna and travelling on a track formed by two rails, first and second discontinuities are detected. The first discontinuity is detected in a...
|
|
|
7861979 |
Dragging equipment detector
Disclosed systems, methods, and apparatti generally define inventions that detect and alert train crews of a potentially unsafe condition caused by equipment hanging below any portion of the train....
|
|
|
7649350 |
Railcar presence detector
A railcar presence detector including magnetic field sensors spaced along the length of a rail track for detecting magnetic field disturbances caused by ferromagnetic objects, such as railcars,...
|
|
|
7575201 |
System and method for detecting a change or an obstruction to a railway track
A system for determining the capability of a railroad track to safely carry railroad vehicles over the track by sensing changes in the environment proximate the track, the system including a sensor...
|
|
|
7566032 |
Apparatus for detecting movement direction of model train
An apparatus for determining the direction of travel of an electrically driven model train through a model railroad track layout having track segments with rails of opposite polarity. A diode and...
|
|
|
7530502 |
Clamp for a rail transducer
A clamp for securing a transducer to a train rail comprises a bracket having a base which engages the foot of the rail. An upright arm at one end of the base extends adjacent the web of the rail...
|
|
|
7530534 |
Method for setting an output voltage of a receiving circuit of a receiving head of a rail contact and rail contact system
A method is proposed for setting an output voltage of a receiving circuit (5) of a receiving head (4) of a rail contact and a rail contact system for executing the method, at least one receiving...
|
|
|
7481400 |
Railway wheel sensor
A sensor for detecting the presence of wheels of a rail vehicle includes first and second Hall Effect devices, a magnet for supplying a magnetic field to the first and second Hall Effect devices,...
|
|
|
6899303 |
Sensor for rail switch position
Method and apparatus for detection of the presence of a train wheel on a train track that overcomes problems associated with previously known detectors. The invention includes a method for...
|
|
|
6663053 |
Sensor for railcar wheels
Method and apparatus for detection of the presence of a train wheel on a train track that overcomes problems associated with previously known detectors. The invention includes a method for...
|
|
|
6371417 |
Railway wheel counter and block control systems
Railway wheel detection and counter and block control systems are disclosed using magnetic coils to detect wheels via measuring eddy current losses induced by a railway wheel as it disturbs the...
|
|
|
6292112 |
Vehicle presence detection system
A passive magnetic detector is provided at ground level or buried below ground level in between rails of a railroad track at a distance from the level crossing for detecting magnetic field...
|
|
|
6064315 |
Zero speed transducer
Detection of a zero speed or moving railway vehicle wheel or other metallic object is accomplished by providing a balanced E-core inductive detector. An exciter coil on the center leg of the E-core...
|
|
|
5924652 |
Island presence detected
A reliable and consistent electrical contact path between the rails of a section of railroad track established by the shunting effect of the wheels and axles of a train is ensured by applying...
|
|
|
5752677 |
Block occupancy detector for model railroads
This invention pertains to model railroads and specifically to the problem of detecting the presence or absence of cars, locomotives, or obstructions which may occupy a particular section of track....
|
|
|
5628479 |
Vital wheel detector
A vital wheel detector for railways injects an oscillating electrical current into a short rail segment and produces a monitor signal in response the magnetic field around the rail. A high Q pickup...
|
|
|
5589767 |
Mechanism for the attachment of a speed sensor to a train wheel including a bearing and a connection link with a shock absorbing bushing
A mechanism for the attachment of a speed sensor to a vehicle comprising a rotary body for attachment to an end of a wheel axle such that the rotary body rotates with the wheel axle, the rotary...
|
|
|
5483816 |
Procedure for establishing the scanning range of vehicle-activated measuring equipment, as well as equipment for the adjustment and tuning of measuring equipment on tracks relative to sensors
An adjustable scanning range is provided for vehicle-activated measuring equipment of the type which includes receiver coils positioned on opposite sides of a transmitter such that voltages induced...
|
|
|
5464176 |
Shunting device
A shunting device used on railroad maintenance vehicles, such as pickup trucks and other maintenance vehicles, for transmitting electrical signal through railroad tracks for operating signalling...
|
|
|
5417388 |
Train detection circuit
A train detection circuit is provided to determine whether a particular section or block of railroad track is occupied by a train. In one embodiment, a bias current generator is used to provide a...
|
|
|
5395078 |
Low speed wheel presence transducer for railroads with self calibration
A railroad car wheel transducer includes a coil positioned along a rail of a track. The presence of a wheel proximal to the coil causes basic electrical characteristics of the coil, such as its...
|
|
|
5391987 |
Synchronous position correction system for a linear synchronous motor train
A synchronous position correction system for a self-controlled linear synchronous motor train includes a position detector for detecting a positional relationship between a propulsion winding...
|
|
|
5333820 |
Railway vehicle wheel detector utilizing magnetic differential bridge
A differential magnetic wheel detector is disclosed which identifies the presence and direction of a railway vehicle. The wheel detector includes a primary winding, a secondary winding and signal...
|
|
|
5158253 |
Railway track mounting arrangement
An apparatus is disclosed for adjusting the height of a monitor with respect to the rail head of a rail having a first bracket adapted to be connected to the rail and a secured bracket adapted to...
|
|
|
5129606 |
Railway wheel sensors
The invention concerns a system for sensing train wheels which employs a slotted detector bar. Optical resistive and piezoresistive strain gauges may be coupled to the detector bar as well as...
|
|
|
4947759 |
Proximity control system
A proximity switching system comrising a plurality of self-propelled vehicles mounted in tandem on a track and carrying magnetic proximity switches for controlling the vehicle propulsion. Each...
|
|
|
4912406 |
Device for determining position of a railway vehicle by measuring deviation in position of a magnet
Apparatus including a magnet (10) having at least one degree of freedom w respect to a first member, tangent to the direction of measurement and cooperating with a magnetic portion associated with...
|
|
|
4845428 |
Magnetic rotational detecting arrangement for sensing the speed of a railway vehicle
A magnetic speed detecting arrangement for a railway vehicle including a number of permanent magnets fixed on the outer circumference of an axle of the railway vehicle at fixed intervals in which...
|
|
|
4793241 |
Piston position detector for fluid pressure cylinder
In a piston position detector for a fluid pressure cylinder operating by fluid pressure such as air pressure or oil pressure, a permanent magnet is mounted on a piston sliding in a non-magnetic...
|
|
|
4788498 |
Magnetic detector for an unmanned vehicle control system
A magnetic detector for detecting the magnetic field of a magnetic field generating substance including an even number of saturable coils aligned in a straight line with the distance between...
|
|
|
4727372 |
Detection system
A railway detection system in which the presence of a train is detected by means of first inductive loop apparatus. When the train is detected second inductive loop apparatus is enabled to detect...
|
|
|
4704578 |
Thermal compensation method for a magnetic circuit having an oscillating circuit with an inductance coil
The present invention involves a thermal compensation procedure for magnetic circuits, such as those used in security devices detecting metallic masses, whose losses increase as a function of...
|
|
|
4701866 |
Wheel load measurement
Apparatus for measuring loads transmitted via wheels to a track from vehicles travelling thereon, comprises means responsive to load at a plurality of approximately equally spaced locations on a...
|
|
|
4524932 |
Railroad car wheel detector using hall effect element
A Hall effect element, incorporated into an integrated circuit unit with temperature compensation, voltage regulation, and amplification, is mounted on top of a permanent magnet made of ceramic...
|
|
|
4491841 |
Self-adjusting inductive object-presence detector
A vehicle detector has an inductive sensing loop that is a frequency determining element of an oscillator. A first counter is operated to sample the oscillator frequency or period and the count...
|
|
|
4469298 |
Axle sensor
A sensor arrangement is disclosed for detecting the presence of an axle of a rail vehicle in a short length of a track. The arrangement includes a bridge coupled to and including resistances of the...
|
|
|
4451018 |
Non contact isolated current detector
A receiver for sensing track currents includes a toroid coupled to the track rails via a single conductor. The toroid has an air gap in which a linear Hall sensor is inserted. The voltage of the...
|
|
|
4379330 |
Railroad car wheel detector
A method is provided for determining whether an output signal from a magnetic railway wheel detector is produced by the actual passage of a wheel over the transducer. The output signal is compared...
|
|
|
4351504 |
Track circuit principle wheel detector
Apparatus for detecting the presence and position of individual wheels or wheel-axles of railroad cars. The apparatus involves no moving parts and basically senses the presence of a car wheel by...
|
|
|
4283031 |
System controlling apparatus which compares signals from sensors monitoring passing objects with pre-determined parameter information to control the system
A system controlling apparatus wherein an array of sensors are used for detecting information and for providing signals indicative of information concerning passing articles such as presence of an...
|
|
|
4274611 |
Device for the detection of the position of a railway vehicle
In a train control system wherein emitter beacons are located at predetermined points on the track near to one of the running rails, a device for detecting the position of a vehicle running on the...
|
|
|
4236093 |
Speed insensitive wheel detector
An apparatus for detecting the presence and/or direction and/or velocity of a moving ferromagnetic element is provided. A sensing coil is placed in coupling relationship with a bi-stable...
|
|
|
4223857 |
Switching arrangement for model trains
A switching arrangement for model trains includes tracks arranged in multiple closed paths which have at least one track section in common. The various paths are interconnected by remote controlled...
|
|
|
4200856 |
Differential clamp-on railway vehicle wheel detector
A railway car wheel detection arrangement employing a pair of clamp-on sensor units which are spaced apart a given distance and are positioned on the upper surface of the base flange of the track...
|
|
|
4200855 |
Bolt-like railway vehicle wheel detector
A railway car wheel detection arrangement employing a pair of bolt-like sensor units which are spaced apart a given distance and are fastened to holes formed in the web portion of the track rail....
|
|
|
RE30012 |
Magnetic object detection device
A variable permeability magnetic object detection device including an electromagnetic sensing coil; a core disposed in the electromagnetic sensing coil having a first permeability when the core is...
|
|
|
4155526 |
Railroad car wheel measuring apparatus
A plurality of sensors, each generating distinct signals in response to the passage of leading and trailing edges of car wheels, are positioned along the rail at a height above the rail to detect...
|
|
|
4058279 |
Flat wheel detector
Apparatus for detecting the presence of flat wheels on railroad cars, comprising a high frequency transmitter or source connected so that the rail feed points are staggered or offset with respect...
|