Patents
Patents for B61K 9 - Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles (2,428)
04/1997
04/03/1997WO1997011871A1 Apparatus and method for detecting high temperatures in railroad car wheels and bearings
03/1997
03/18/1997CA2098649C Arrangement for controlling railroad wheels
03/06/1997DE19633950A1 Radiant heat generator for calibration of IR detection sensors
01/1997
01/22/1997CN2245566Y Locomotive driving wheel tyre anti-relaxing device
01/21/1997US5596203 System and method for detecting the relative position and motions between a rail vehicle and track
01/07/1997US5591915 System for the continuous measurement of the resistance of a track to transverse displacement
01/02/1997EP0751371A2 Installation and process for measuring rolling parameters by means of artificial vision on wheels of railway vehicles
12/1996
12/30/1996CA2180234A1 Installation and process for measuring rolling parameters by means of artificial vision on wheels of railway vehicles
11/1996
11/26/1996US5579013 Mobile tracking unit capable of detecting defective conditions in railway vehicle wheels and railtracks
11/26/1996US5577690 Microwave measurement of train wheel wear
09/1996
09/26/1996DE19510560A1 High speed monitor for inspecting rail profile of railway track
09/17/1996US5557102 Testing apparatus for the calibration of overheating and rail brake locating devices
08/1996
08/21/1996EP0727039A1 Wayside monitoring of the angle-of-attack of railway vehicle wheelsets
06/1996
06/19/1996EP0716971A1 Device for transmitting a temperature signal by mechanical means
06/04/1996US5522265 Device for the ultrasonic measuring of the defects of a railway track
05/1996
05/29/1996EP0569469B1 Apparatus for the scanning of a profile and use hereof
05/22/1996CN2227692Y Floor drain
05/09/1996DE4439342A1 Circuit for determining non-round wheels of rail track vehicles
04/1996
04/24/1996EP0708344A2 Non-contact measuring system for measuring vertical and horizontal distance between vehicle and rail
04/17/1996EP0707196A2 System and method for detecting the relative position and motions between a rail vehicle and track
04/04/1996DE19536332A1 Evaluating condition of railway lines
04/03/1996CN1119609A Safety device for preventing overheating of axle bearing for train
02/1996
02/01/1996WO1996002903A1 Smart bolt device having communications system in separate housing from bolt
01/1996
01/17/1996CN1114994A A method for continuously measuring the lateral resistance of a track
01/04/1996WO1996000159A1 Arrangement for measuring the quality of rails, in which a movable frame is connected to the bogie
01/04/1996DE4421741A1 Rail height difference measuring system for rail tracks esp. laid in underground mining
12/1995
12/27/1995EP0688902A1 Continuous measuring method of the resistance to lateral displacement of a railway track
12/26/1995US5478151 Device for detecting excessively heated components or locations in moving objects
12/21/1995WO1995034456A1 Method of determining the position of flat spots on the running surfaces of rail-vehicle wheels
11/1995
11/16/1995WO1995031053A1 Detecting defective conditions in railway vehicle wheels and railtracks
11/16/1995WO1995030886A1 Railway vehicle wheel and railtrack tester
11/16/1995WO1995030878A1 Track rail contour measurement process
11/01/1995CN2211396Y Railway vehicle bearing detector
10/1995
10/11/1995EP0676322A1 Ultrasonic measuring device of defaults of a railway rail
09/1995
09/14/1995WO1995024610A1 A device and method for measurements on a surface of a bar or other object of ferromagnetic material
09/06/1995EP0670255A1 Inspection device for the calibration of hot-box and blocked-brake detection systems
09/05/1995US5448072 Infrared hot bearing and hot wheel detector
09/03/1995CA2143726A1 Testing apparatus for the calibration of overheating and rail-brake locating devices
08/1995
08/30/1995EP0668988A1 Process and device for acquiring profile and railway data
08/29/1995US5446452 Temperature monitoring system
08/29/1995US5446451 On board hot bearing detector system with fault detection
08/09/1995CN2204750Y Infrared detecting point aligner
08/01/1995US5438322 Thermal sensor for detection of potential mechanical failures and transmission of temperature warning signals
07/1995
07/26/1995EP0467984B1 A plant for track-based detection of the wheel profile of train wheels
07/18/1995US5433111 Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks
05/1995
05/24/1995CN2198166Y Portable measuring installation
05/17/1995CN2197272Y Hot axle detector probe
05/11/1995WO1995012803A1 Wayside monitoring of the angle-of-attack of railway vehicle wheelsets
04/1995
04/18/1995US5407154 Hot bearing simulator
03/1995
03/30/1995DE4332722A1 Measuring waggon, which can be moved on a track, for measuring faults in the travelling surface of track systems
03/14/1995US5397900 Wheel-assembly monitor for diagnosing passing railroad trains
03/08/1995CN2191146Y Hot-axle alarm for goods train
01/1995
01/29/1995CA2127837A1 Hot bearing simulator
01/17/1995US5381700 Train analysis system enhancement having threshold adjustment means for unidentified wheels
01/11/1995CN1027360C Method for detecting the defect of wheel surface of railway locomotive
12/1994
12/20/1994US5374016 Device for catching wheel deviations for track switches or crossing having tube mounted strain gauges for measuring sensing head displacement
11/1994
11/29/1994US5368260 Wayside monitoring of the angle-of-attack of railway vehicle wheelsets
11/15/1994US5363702 Device for inspecting the rim of a railway wheel
10/1994
10/27/1994DE4312876A1 Train wheel running surface variation measuring appts.
10/18/1994US5356098 Communication system for transmitting RF signals representative of defects or hazards in a railway system having frangible glass activation
10/05/1994CN1093048A Monitoring and discriminating system for shaft temperature
10/04/1994US5351411 Apparatus for the scanning of a profile and use hereof
09/1994
09/07/1994CN2176299Y Electronic lorque display of spanner
08/1994
08/03/1994CN2173194Y Infrared axle temp. dectecting magnetic head for railwy
07/1994
07/19/1994US5331311 Railroad wheel temperature sensor with infrared array
07/06/1994CN2170887Y Detecting device for railway train wheel abrasion fault
07/06/1994CN2170886Y Axle temp. alarm signal collector
06/1994
06/29/1994EP0604389A1 Device for the detection of unacceptably heated components or spots on moving objects
06/07/1994CA1330120C Device for determining the condition of railway switches or railway crossings
06/03/1994CA2110420A1 Simulator for railroad hot wheel detector
05/1994
05/26/1994WO1994011705A1 Process and device for acquiring profile and railway data
05/19/1994DE4238151A1 Measuring temp. of railway vehicles and components - involves measuring infrared radiation of moving vehicle and comparing profile with known signal patterns
05/18/1994CN2165054Y Auto (remote-control) axle temp. centre alarm instrument for railway coach
05/18/1994CN2165053Y Wheel pair tread detector for railway vehicle
04/1994
04/12/1994US5301548 Track measuring car
03/1994
03/31/1994DE4238034C1 Verfahren und Vorrichtung zum inspektierenden, berührungslosen Abtasten der unmittelbaren Umgebung einer Gleisstrecke hinsichtlich bestimmter Meßkriterien Method and apparatus for inspektierenden, contactless sensing of the immediate environment of a railway track section with regard to certain measurement criteria
03/22/1994US5295624 Contact surfaces of a track part and railway wheel
03/08/1994US5292090 Simulator for railroad hot wheel detector
02/1994
02/23/1994CN2157103Y Portable electronic detector probe for wheel of locomotive
02/02/1994EP0580969A1 Wheel measuring assembly for railway vehicles
01/1994
01/05/1994CN2151913Y Geometry parameter measuring device for electric railway contact net
12/1993
12/29/1993CN1080051A Apparatus for detection of rim of wheel of railway carriage
12/29/1993CN1023334C Arrangements for railway frametool
12/22/1993EP0575308A1 Running wheel deviation detection for railway points or crossings
12/22/1993EP0575217A1 Device for testing the rim of a railway wheel
12/01/1993EP0571875A1 A rolling bearing temperature gauging device
12/01/1993EP0571852A1 Diagnosis device for a wheelset for monitoring moving railway vehicles
11/1993
11/18/1993EP0569469A1 Apparatus for the scanning of a profile and use hereof.
11/18/1993DE4207493A1 Contactless temp. monitoring system for ferromagnetic vehicle brake disc - measures temp. dependent permeability in air gap of transformer, with min. permeability larger than one below Curie temp. and threshold permeability between min. and one, and compares actual and threshold values.
09/1993
09/22/1993EP0561705A1 Method and apparatus for vehicle location on a road and its application for analysis and expertise of railroad geometry
09/21/1993US5247338 Plant for track-based detection of the wheel profile of train wheels
08/1993
08/18/1993CN1075373A Modulation-transmission technology for pulse width signal
08/11/1993EP0555169A1 Station for controlling railway wheelsets
07/1993
07/28/1993CN2139080Y Simulated heat axle testing instrument
07/22/1993DE4200979A1 Testing system detecting damaged wheel esp. wheel running put of true of rail vehicle - has at least one fixed acoustic sensor detecting corresp. repeating beat of rotating wheel having flat spot connected to electronic evaluation circuit
06/1993
06/30/1993EP0548637A1 Temperature monitoring device for axle-boxes
06/30/1993EP0548377A1 Measuring instrument for surveying railway lines
05/1993
05/26/1993CN2134328Y Location emulator for axle temp. indication of locomotive
05/26/1993CN1072383A Automatic brake device using memory alloy
05/18/1993US5212655 Clearance measurement system, video clearance measurement vehicle and improved method of performing clearance measurements
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