| 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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| 12/05/2001 | CN2463262Y Autoamtic detecting device for wheel pair |
| 11/29/2001 | WO2001090738A2 Method and device for the detection and evaluation of surface damage to laid tracks and points components |
| 11/29/2001 | WO2001089903A1 Monitoring system for railway vehicles |
| 11/29/2001 | CA2408427A1 Method and device for the detection and assessment of surface defects on laid rails and switch components |
| 11/28/2001 | CN1323715A Laser measurement method of moving attitude of vehicle |
| 11/15/2001 | WO2001086227A1 Apparatus for monitoring the rails of a railway or tramway line |
| 11/07/2001 | CN2458206Y Rail weighing module for weighing rolling stock |
| 11/01/2001 | WO2001081147A1 Method for monitoring driving characteristics of a rail vehicle |
| 10/31/2001 | DE10022684A1 Safety system for railway vehicles and tracks compares acquired acoustic spectrum with normal operating spectrum, detects deviations as defect information, compares with defect spectra |
| 10/31/2001 | DE10020519A1 Drive characteristics monitoring method for train, involves judging damage of vehicle component when deviation of oscillation value distribution of filtered course from normal distribution, equals preset value |
| 10/31/2001 | CN2457601Y Double zero degree probe rail flaw detector |
| 10/25/2001 | US20010032513 Automatic carriage alignment |
| 10/24/2001 | CN1318487A Automatic geometric parameter measuring equipment for wheel pair of railroad carriage |
| 10/11/2001 | WO2001075231A1 A method of grading railroad beds and a laser measuring device |
| 10/03/2001 | CN2451438Y Railway train structural frame servo rail gauge measuring apparatus |
| 10/02/2001 | CA2242723C Railway hazard acoustic sensing, locating, and alarm system |
| 09/12/2001 | CN1070792C Automatic protective safety device for train |
| 09/11/2001 | US6286992 Axle temperature monitor |
| 09/07/2001 | WO2001064494A1 Train derailment detector |
| 09/05/2001 | EP1129002A1 Method for detecting damage in railway traffic |
| 08/22/2001 | CN2444242Y Tricrystal piece combined probe of ultrasonic inspection for wheel axle |
| 08/22/2001 | CN2443899Y Load over-inclined dynamic tester for vehicle of railway |
| 08/16/2001 | DE10010019C1 Verfahren zur optoelektronischen Zustandsüberwachung rotierender Laufräder von Schienenfahrzeugen A method for optoelectronic condition monitoring of rotating wheels of railway vehicles |
| 08/15/2001 | CN2442907Y Linkage tester for vehicle wheel treads |
| 08/14/2001 | US6272759 Sideframe wheelbase gauge |
| 08/09/2001 | DE10003675A1 Vorrichtung zur Messung der Fahrflächenrauhigkeit von Schienen im Fahrbetrieb Device for measuring the Fahrflächenrauhigkeit of rails in the driving mode |
| 08/01/2001 | EP1120494A2 Apparatus for measuring rail rolling surface ruggedness during track exploitation |
| 07/25/2001 | CN1305107A Nondestructive inspection method and equipment for surface of axle or perforated workpieces |
| 07/18/2001 | EP0973666B1 Casing for a hot-box detector or blocked brake detector |
| 07/17/2001 | US6262573 Electromagnetic system for railroad track crack detection and traction enhancement |
| 07/12/2001 | WO2001050097A2 Automatic carriage alignment |
| 07/11/2001 | CN1302747A Comprehensive function monitor of diesel locomotive |
| 06/27/2001 | CN2436383Y Double-shearing beam type two-dimension force sensor |
| 06/07/2001 | DE19957587A1 Sensor monitoring system, for multi-axle vehicle, e.g. train, to determine track state, has vibration sensors on axles fixed to sensors to compare with stored thresholds and data from previous trip |
| 06/05/2001 | US6241196 Casing for a hot box or blocked brake detection scanner |
| 05/29/2001 | US6237877 Failed bearing indicator |
| 05/23/2001 | EP1100707A1 Device for monitoring railway vehicle wheels |
| 05/23/2001 | DE19946227C1 Rail breakage detection method for train track uses evaluation of acoustic oscillations obtained from track rail under dynamic loading |
| 05/17/2001 | DE19954264A1 Sensor arrangement for measuring lateral forces on railway vehicle bogie wheels has preferably three distance sensors mounted over radius of wheel on part that holds wheel set |
| 05/16/2001 | EP1098803A2 Method and device for inspecting a railroad wheel |
| 05/15/2001 | US6233050 Apparatus and process for measuring the unroundness and diameter of railway wheels |
| 05/09/2001 | EP1097076A1 Method and apparatus for detecting defective track wheels |
| 05/09/2001 | CN2429410Y Device for measuring profiles of wheel and rail with crawling wheel |
| 05/02/2001 | CN2428381Y Wheel-set automatic-detection device |
| 04/26/2001 | WO2001028838A1 Device for measuring the temperatures of axles or bearings for locating hot-boxes or overheated brakes in rolling stock |
| 04/18/2001 | CN1064755C Installation and process for measuring rolling parameters by means of artificial vision on wheels of railway |
| 04/17/2001 | US6216985 Railway hazard acoustic sensing, locating, and alarm system |
| 04/04/2001 | EP1089070A2 Image recording and evaluation system |
| 03/22/2001 | DE19943744A1 Wear testing method for wheels of train, involves moving a case having swingable testing head carrier on side wall of inspection pit for contacting head with wheel |
| 03/15/2001 | WO2001017837A1 Device for detecting eccentricities or wheel flats of rail vehicle wheels |
| 03/15/2001 | DE19936448A1 Image recording and evaluation system for inspecting overhead contact lines of electric railway |
| 03/14/2001 | EP1083106A1 Vehicle for measuring the geometric condition of a railway track |
| 03/08/2001 | DE19941843A1 Vorrichtung zur Feststellung von Unrundheiten und Flachstellen an Rädern bei Schienenfahrzeugen Apparatus for the detection of roundness and flats on wheels for rail vehicles |
| 03/01/2001 | WO2000078587A3 Machine for the maintenance of railway carriages |
| 02/28/2001 | EP1079333A1 Inspection and investigation system for an object, such as a component of a rail way |
| 02/28/2001 | CN2421220Y Computerized rolling bearing pressing recorder for goods train |
| 02/27/2001 | US6192736 Tribometer for testing the efficiency of lubrication upon a railroad track surface |
| 02/14/2001 | CN2419128Y Real time remote detecting monitor for rail temperature of railway in use |
| 02/14/2001 | CN2419127Y Computer controlled load recording instrument for wheel pairs of railway vehicles |
| 02/01/2001 | WO2001007308A1 Railway wheel monitoring |
| 02/01/2001 | CA2379576A1 Railway wheel monitoring |
| 01/31/2001 | CN2417091Y Automatic terminal-selecting testing pen for auxiliary circuit of locomotive |
| 01/30/2001 | US6179471 Device for mounting a sensor to a railway axle bearing unit |
| 01/11/2001 | DE19926164A1 Verfahren und Vorrichtung zum Überwachen eines Fahrzeugs und/oder zum Überwachen eines Fahrwegs während des betriebsmäßigen Fahrens des Fahrzeugs Method and apparatus for monitoring a vehicle and / or for monitoring a traveling path during the operational running of the vehicle |
| 01/03/2001 | CN2413283Y Special angle probe for circumferential flaw detection |
| 12/28/2000 | WO2000078587A2 Machine for the maintenance of railway carriages |
| 12/21/2000 | WO2000076828A1 Method and device for monitoring a vehicle and/or for monitoring a path of travel while the vehicle is being driven during operation |
| 12/20/2000 | EP1060376A1 Method and device for monitoring the area of technical rolling bodies |
| 12/20/2000 | EP1060098A1 Device for detecting flats on at least one body capable of rolling |
| 12/19/2000 | US6161962 Bearing with sensor module |
| 12/13/2000 | CN2410206Y Long distance electric vortex displacement transducer for testing railway vehicle |
| 12/07/2000 | WO2000073118A1 Device for monitoring railway vehicle wheels |
| 12/07/2000 | DE19925394A1 Rail vehicle test and monitoring method e.g. for testing condition of wheels and wheel-sets |
| 11/30/2000 | DE19924781A1 Non-destructive testing of railway wheels installed in railway vehicles involves driving vehicle over test section, moving test probe holder into successive test positions during travel |
| 11/29/2000 | CN2408004Y Insulation rail distance rod |
| 11/23/2000 | WO2000070148A1 Track monitoring equipment |
| 11/23/2000 | CA2373127A1 Track monitoring equipment |
| 11/15/2000 | CN2405835Y Pantograph detection instrument |
| 11/02/2000 | DE19919604A1 Measurement diagnosis action system for detection of faults or defects in the running gear of a train or rail-vehicle while it is running by mounting of sensors around the axle and wheel and connecting them to an analysis system |
| 10/25/2000 | CN2402567Y Car axle position sensor |
| 10/19/2000 | WO2000061419A1 A method of detecting defects in track subgrade and an apparatus for carrying out the method |
| 10/12/2000 | WO2000060322A1 Method and device for monitoring the chassis of multiple-axle vehicles |
| 10/05/2000 | DE10004464A1 Temperature monitoring of axle, involves reading axle temperature comparing it with anticipated temperature and indicating potential problem with axle if they differ |
| 09/28/2000 | DE19913127A1 Method of monitoring railway vehicle |
| 09/28/2000 | DE19908850A1 Verfahren und Einrichtung zum Überwachen eines Fahrzeugs Method and apparatus for monitoring a vehicle |
| 09/13/2000 | EP1034997A1 Device for controlling the adherence of an electrically driven railway train |
| 09/13/2000 | CN2395944Y Three-valve one-rod test-bed for speed increasing passenger train |
| 09/08/2000 | WO2000051869A1 A railway axle hub unit |
| 09/08/2000 | WO2000051868A1 Method and device for monitoring a vehicle |
| 08/17/2000 | WO2000017632A3 Method and device for detecting a defect in a guide rail |
| 06/15/2000 | DE19858937A1 Monitoring rail traffic along railway line by evaluating sound spectrum to detect periodic events indicating faults |
| 06/08/2000 | WO2000032458A1 Device and method for determining conditions and/or changes in states in railway devices |
| 06/08/2000 | DE19852220A1 Verfahren zur Erkennung von Schäden im Schienenverkehr Method for detecting damage in rail transport |
| 05/25/2000 | WO2000029270A1 Method for detecting damage in railway traffic |
| 05/17/2000 | CN2378258Y Railway wheel flat scar signal collecting device |
| 05/10/2000 | EP0999113A1 Hot bearing detector |
| 05/05/2000 | CA2260906A1 Hot bearing detector |
| 04/27/2000 | WO2000005120A3 Method and device for inspecting a railroad wheel |
| 04/13/2000 | DE19846931A1 Monitoring wheeled transport system; involves filtering out periodic signals from sensor signals, correlating with wheel rotation frequencies and comparing with fault state catalogue |
| 04/12/2000 | EP0991954A1 Near-range proximity sensor having a fast-tracking analog output |