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