EP1448423B1 - Vorrichtung und verfahren zum erfassen von schienenbewegungen - Google Patents
Vorrichtung und verfahren zum erfassen von schienenbewegungen Download PDFInfo
- Publication number
- EP1448423B1 EP1448423B1 EP02802295A EP02802295A EP1448423B1 EP 1448423 B1 EP1448423 B1 EP 1448423B1 EP 02802295 A EP02802295 A EP 02802295A EP 02802295 A EP02802295 A EP 02802295A EP 1448423 B1 EP1448423 B1 EP 1448423B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- receiver
- transmitter
- assembly part
- deformation
- retainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 4
- 238000011156 evaluation Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000012937 correction Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
- B61L1/06—Electric devices associated with track, e.g. rail contacts actuated by deformation of rail; actuated by vibration in rail
Definitions
- the invention relates to a device for a transmitter and a receiver for detecting various states of deformation of a component, which are arranged independently of one another at a distance from each other via a receptacle on the component.
- European Patent Application EP 0 352 464 A discloses such a device.
- a deformation transducer from international application WO 01/18487 A1 is already known, in which a transmitter and a receiver for measuring deformation states are jointly arranged on a plate.
- the plate is in this case attached via at least one clamping element to a component, wherein the clamping element has two pointed or round bearing parts and at least one bore corresponding to the plate.
- the invention has the object of providing a holding device for a transmitter-receiver unit in such a way and to arrange that a simple and accurate installation is guaranteed.
- the object is achieved according to the invention in that the transmitter are arranged via a first receptacle on a first holding part and the receiver via a second receptacle on a second holding part, wherein the respective receptacle and the respective holding part one or more connecting elements or one or more clamping and form a positive connection or an adhesive connection or a welded connection with the component.
- This ensures that transmitter and receiver are arranged independently of each other on the component, wherein the receptacle for the transmitter and the receiver serves as part of the clamp connection at the same time.
- the recording and the Holding part have a corresponding fit, wherein the fit as a tongue and groove connection and / or as a dowel pin is trained.
- the inclusion as a claw trained and by means of a pen and / or Screw connection is connected to the holding part, wherein the receptacle and / or the holding part as a bolt, Screw and / or cam trained clamping element has, which is in operative connection with the component.
- an additional clamping element can the recording regardless of the clamp connection on the Holding part to be attached.
- the recording together with the holding part be moved relative to the component, without the connection between receiving and holding part must be solved.
- the receptacle is a holding element for the transmitter and / or having the receiver, wherein the retaining element as a bore is formed and trained as a cap nut Fixing element for the transmitter and / or the receiver having.
- the training as precision drilling ensures optimal protection for the transmitter or the receiver, with sufficient length of the bore in this can be inserted and sunk there.
- the first recording for the Transmitter and the second receiver for the receiver at least a corresponding, via a mounting aid in Having connectable adjustment surface, wherein the Adjustment surface as a groove, bore and / or chamfer is formed and the mounting aid with the adjustment surface corresponding adjusting elements such as a spring or a Pen.
- the mounting aid can for Any recordings find use and need not be at the Device remain behind.
- transmitters and receivers are on each opposite sides of the rail, so with respect to the longitudinal axis of the rail on the right and the left Side of the rail, provided and extend over a track section to be measured between 3 m and 30 m.
- the deformation .DELTA.X of the Component is proportional to the detected angle change ⁇ and is detected as a function of the component length L, wherein the area of a so determined Deformation graph "X over L" by a Averaging ⁇ X 'of all one load cycle too Underlying deformation graphs is normalized and the Ratio of deformation ⁇ X to normalized Deformation ⁇ X 'is calculated.
- ⁇ X normalized Deformation
- the connecting element from the positionable under the rail foot holding part and one at this height arranged, from two Legs formed receiving part, wherein in the one leg at least two screws screwed are, with the one screw against the component or the Rail foot can be applied and the other screw part one firm connection between the holding part and the component or the rail makes, the second leg against the holding part can be pressed via at least one screw.
- Figure 1a is a railroad rail 70 with a Rail head 71 and a rail foot 72 in the Side view shown.
- the force F is here on Point P introduced into the rail.
- Point P introduced into the rail.
- the force F in the idealized illustrated substrate 76, 76 'and the Track bed derived in the form of a surface pressure.
- the load F is a deformation of the rail 70 and of the elastic track bed, via a transmitter 2 and a receiver 3 is recorded.
- the transmitter 2 or the receiver 3 is here in one first receptacle 20 and a second receptacle 30th provided, which via a first holding part 21 or via a second holding part 31 on the rail foot 72 of the rail 70th are arranged.
- the first recording 20 and the second receptacle 30 of the load F generated deformation of the rail 70 and deformation of the Rail foot 72 follow and thus the deformation cycle take up.
- To record the deformation cycle is between the transmitter 2 and the first recording 20 and the Receiver 3 and the second receptacle 30 no force transferred so that the deformation cycle lossless or is determined without influence.
- a unitary transmitter-receiver unit is provided 32 arranged in the region of the rail foot 72.
- the Transmitter-receiver unit 32 can be used as Strain gauge and / or be designed as a light guide, which is arranged in the longitudinal direction of the rail.
- FIG. 1c shows two transceiver units 32, 32 '. with respect to the longitudinal direction of the rail 70 opposite arranged. The attachment is again at the respective Rail foot 72 and 72 '. The respective transmitter-receiver unit 32 is here over the entire length between the Threshold 75 and the threshold 75 'provided.
- the first receptacle 20 for the transmitter 2 and the receiver 3 on the rail foot 72 of the rail 70th arranged.
- the first receptacle 20 has this one Screw 22 with a first holding part 21.
- a fit 40, the off a spring 42 of the first receptacle 20 and a groove 41 of the first holding part 21 consists.
- the spring 42 in the groove 41st pressed so that at the junction between the first receptacle 20 and the first holding part 21 a positive connection is ensured.
- the first receptacle 20 is substantially L-shaped formed and has a first leg 20.1 and a second leg 20.2. Between the second Leg 20.2 and the first holding part 21 is the Fit 40 provided with the spring 42 and the groove 41. The Spring 42 is on the second leg 20.2 of the first Receiving 20 and the groove 41 is on the first holding part 21st arranged. By the fit 40 is next to the Screw 22 a positive connection between the first receptacle 20 and the first holding part 21 guaranteed.
- the connecting element may be from under the rail foot placeable holding part and one at this herebybeweglich arranged, formed from two legs receiving part exist, wherein in the one leg at least two Screws are screwed, with one screw against the component or the rail foot can be applied and that other screw part a firm connection between the Holding part and the component or the rail manufactures, wherein the second leg against the holding part over at least a screw is pressable.
- the first leg 20.1 of the first receptacle 20 has a formed as a bore holding member 24, the Recording of the transmitter 2 and the receiver 3 is used.
- Fixation of the transmitter 2 and the receiver 3 is not a illustrated trained as a cap nut fixing element provided, which on the front side of the transmitter or the Receiver is arranged.
- the screw 22 is passed through the first leg 20.1 and engages in a Thread 21.1 of the first holding part 21 a.
- a Clamping element 23 is provided, which via a thread 23.1 the rail foot 72 is guided. That as a screw trained clamping element 23 thus braces the first Recording 20 via the first holding part 21 against the Rail foot 72.
- a screw trained clamping element 23 thus braces the first Recording 20 via the first holding part 21 against the Rail foot 72.
- the fit 40 is a clear Position of the second leg 20.2 relative to the first Holding part 21 ensures.
- the biasing force of the Clamping element 23 is a bending force in the second Leg 20.2 initiated, leading to deformation and thus to an adjustment of the retaining element 24 for the Transmitter 2 and the receiver 3 leads.
- a second groove 41 ' On the opposite side of the rail 70 has the first holding part 21, a second groove 41 ', the Fixation of another recording, not shown serves.
- the first receptacle 20 and the first Holding part 21 provided in the region of the rail foot 72.
- a second holding part 31 shown for receiving the second receptacle 30 for the receiver 3 is used.
- the mounting aid 51 has Adjusting elements 52, 52 ', which with an adjustment surface 50th the first holding part 21 and an adjusting surface 50 'of the second holding part 31 are connectable.
- the Adjusting elements 52, 52 ' are in this case pin-shaped trained and engage in the trained as a bore Justier vom 50 and 50 'a.
- the adjustment surface 50 and the Adjusting surface 50 'on the bottom of the first Holding part 21 and the second holding part 31 is provided. It is also possible, the Justier vom 50, 50 'on a other side surface of the receptacle 20 and / or the To provide holding part 21.
- the schematic diagram according to FIG. 4a shows a rail 70 with the two thresholds 75, 75 'and a transmitter 2 and a receiver 3.
- the transmitter 2 and the receiver 3 are via a first receptacle 20 and a second receptacle 30, respectively the rail 70 is arranged.
- At the still unloaded Rail hits the emitted from the transmitter 2 measuring beam. 4 approximately in the middle of the receiver 3 or not shown receiver surface on.
- According to Figure 4b meets the Measuring beam 4 at the point E1 of the receiver 3, the Represents zero point. No measurement signal is generated.
- a load F1 results in a Deformation of the rail 70.
- the transmitter 2 and the receiver 3 in their relative position accordingly the deflection of the rail 70 by an angle adl twisted each other.
- the measuring beam 4 then hits at the Receiver 3 at a position E2, a distance ds1 to point E1. This will be a measurement signal generated, the distance between the point E1 and the Point E2 on the receiver 3 or a receiver surface 3.1 equivalent.
- the distance which is denoted ds1 according to FIG. 4d is proportional to the angle change da1 and therefore proportional for force change df1 between a rest position according to FIG. 4a and the load state according to FIG. 4c.
- the change in position of the measuring beam 4 on the receiver 3 or its receiver surface 3.1 is shown from E1 to E2.
- This position change generates a measuring current I1 or I2, which is transformed by the evaluation unit 60 into a measuring voltage U1 or U2.
- a traversing wheel 73 generates, on the one hand, a normal force F Q and, on the other hand, a transverse force F Y , where F Y extends both at right angles to F Q and at right angles to the longitudinal axis of the rail 70.
- F Y ⁇ 1 - ⁇ 2 ⁇ 1 + ⁇ 2
- the measurement signal of a double Loading cycle shown. Before reaching the measuring point the wheel load generates a relief of the rail 70 in the Area of the measuring point, as the adjacent Rail section is loaded.
- the measuring signal has a Signal drop L1 on. With reaching the measuring point jumps the measuring signal is analogous to the load at the measuring point a first maximum M1, which after passing through the first Rades drops again. Subsequently, the measurement signal increases with passage of the second wheel back to a second Maximum value M2. After the passage of the second wheel In turn, there is a signal drop analogous to the approach.
- FIG 8 is shown schematically from above Track bed with a threshold 75 and a pair Rails 70, 70 'shown.
- a digital or analog detection switch 80 provided on each rail side six transmitter-receiver units 32 follow.
- the transmitter-receiver units 32 are alternately on the inside and the outside of the rail 70. these can alternatively only on the inside or only on the Be arranged outside.
- Detection switch 81 ' is provided. By means of Detection switch 81, 81 ', the speed of the Train, the number and the relative position of the wheels determined and the measuring section is activated or deactivated become.
- the measuring graph G shown in FIG. 9a1, between two thresholds 75, 75 'or between the centers of the two Thresholds 75, 75 'was determined, is in accordance with Figure 9a2 in divided into five specific measuring points.
- the specific ones Measuring points P3 to P7 serve for further signal processing or correlation with a correction graph according to FIG. 9b2.
- FIG. 9b1 shows a measuring graph G with a first one relative maximum R1 and a second relative Maximum R2. These relative maxima are due to a Flat location of the wheel and the resulting Alternating load of the rail generated. The flat place leads to a brief drop in the load and thus to a relative minimum F of the graph G.
- Correction graph K To achieve an independent comparison graph or Correction graph K will be a good bike for everyone graph showing a correction graph K, the is shown in Figure 9b2.
- the correction graph K is the same an average load cycle of a perfect wheel per sensor and per train crossing and therefore has neither relative maxima nor relative minima on.
- Figure 9c1 is the series of all correction graphs K1 to K6 represented by six consecutive measuring points.
- the Measuring points cover a rail section of approx. 3,60 m from. This length corresponds to at least one Wheel circumference.
- the measuring sections overlap each other each 100 mm to each side, leaving a gapless Recording the load over the entire rail section is guaranteed.
- Figure 9c2 are by the Wheel load cycles generated standard load graph N1 to N6 for each measuring point 1 to 6 shown.
- Per Standard load graph N is about 1/6 of the circumference of the wheel shown.
- the first half of the measured wheel points Accordingly, a flat spot F on, according to FIG 9b1 a Order A follows.
- FIG. 9d shows the ratio of standard load graph N to correction graph K for a wheel circumference as a load plateau, which ensures a percentage representation of the rail load with reference to the basic load.
- the standard load graph N according to FIG. 9e here represents the mean value of all the measuring graphs G of a train crossing normalized to the mean surface area. Irregularities of the respective wheel or of the measurement graph G are thereby retained.
- FIG. 9f specific wheel defects per Recognize wheel rotation based on the generated measurement graphs.
- Figure 9e1 is a plot on the wheel, the initially generates an overload.
- FIG. 9e2 are relatively high frequency, symmetric Stress changes that indicate polygons.
- FIG. 9e3 shows a typical signal of out-of-roundness of the wheel, the leads to a symmetric graph of low frequency nature.
- Figure 9e4 shows a typical flat of the wheel, the first a load drop and then a Overload generated.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10152380A DE10152380A1 (de) | 2001-10-28 | 2001-10-28 | Vorrichtung zur Erfassung von Kräften und Veränderungen an Rädern von Schienenfahrzeugen |
DE10152380 | 2001-10-28 | ||
PCT/EP2002/011596 WO2003037695A1 (de) | 2001-10-28 | 2002-10-17 | Vorrichtung zum erfassen von schienenbewegungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1448423A1 EP1448423A1 (de) | 2004-08-25 |
EP1448423B1 true EP1448423B1 (de) | 2005-06-08 |
Family
ID=7703514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02802295A Expired - Lifetime EP1448423B1 (de) | 2001-10-28 | 2002-10-17 | Vorrichtung und verfahren zum erfassen von schienenbewegungen |
Country Status (7)
Country | Link |
---|---|
US (1) | US7228747B2 (ru) |
EP (1) | EP1448423B1 (ru) |
AT (1) | ATE297337T1 (ru) |
DE (2) | DE10152380A1 (ru) |
EA (1) | EA005746B1 (ru) |
ES (1) | ES2242903T3 (ru) |
WO (1) | WO2003037695A1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1797409A2 (en) | 2004-09-11 | 2007-06-20 | General Electric Company | Rail sensing apparatus and method |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9733625B2 (en) | 2006-03-20 | 2017-08-15 | General Electric Company | Trip optimization system and method for a train |
US10308265B2 (en) | 2006-03-20 | 2019-06-04 | Ge Global Sourcing Llc | Vehicle control system and method |
US9950722B2 (en) | 2003-01-06 | 2018-04-24 | General Electric Company | System and method for vehicle control |
US9956974B2 (en) | 2004-07-23 | 2018-05-01 | General Electric Company | Vehicle consist configuration control |
DE102006043043A1 (de) * | 2006-03-14 | 2007-09-20 | Baldur Rögener | Verfahren und Überwachungssystem zum Überwachen von Schienen-Fahrwegen |
US9828010B2 (en) | 2006-03-20 | 2017-11-28 | General Electric Company | System, method and computer software code for determining a mission plan for a powered system using signal aspect information |
DE102008018076B4 (de) * | 2008-04-09 | 2016-03-31 | Schenck Process Gmbh | System zur Messung von Belastungen beim Rad/Schiene-Kontakt von Schienenfahrzeugen |
US8914171B2 (en) | 2012-11-21 | 2014-12-16 | General Electric Company | Route examining system and method |
KR101097094B1 (ko) | 2009-09-10 | 2011-12-22 | 주식회사 신성에프에이 | 주행 레일 경사도 측정 장치 |
WO2014026091A2 (en) | 2012-08-10 | 2014-02-13 | General Electric Company | Route examining system and method |
US9255913B2 (en) | 2013-07-31 | 2016-02-09 | General Electric Company | System and method for acoustically identifying damaged sections of a route |
AT516459B1 (de) * | 2014-10-27 | 2016-12-15 | Hottinger Baldwin Messtechnik Gmbh | Vorrichtung zur Erfassung von Schienenverformungen |
DE202015005277U1 (de) * | 2015-07-24 | 2015-08-26 | Robel Bahnbaumaschinen Gmbh | Sicherungssystem für einen Notlaschenverbinder. |
DE202018105484U1 (de) * | 2018-09-24 | 2020-01-02 | Robel Bahnbaumaschinen Gmbh | Überwachungsvorrichtung zur Überwachung einer temporären Schienenverbindung von zwei Schienenabschnitten einer Schiene und Schienenverbindungssystem mit einer derartigen Überwachungsvorrichtung |
EP3976440A1 (de) | 2019-05-29 | 2022-04-06 | Sew-Eurodrive GmbH & Co. KG | Schienenanlage mit schiene und entlang der schiene bewegbaren mobilteilen |
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US3581084A (en) * | 1967-11-10 | 1971-05-25 | Sumitomo Electric Industries | Piezoelectric wheel-axle detector |
DE2043436A1 (de) | 1970-09-02 | 1972-03-09 | Krupp Gmbh | Vorrichtung zur selbsttätigen Ermittlung eines Grenzwertes oder mehrerer Werte der Belastung eines Tragwerkes |
JPS51101561A (en) * | 1975-03-05 | 1976-09-08 | Japan National Railway | Kogakushikikidokuruisokuteisochi |
US4103547A (en) * | 1977-02-07 | 1978-08-01 | The United States Of America As Represented By The Secretary Of The Department Of Transportation | Locomotive track curvature indicator |
US4409842A (en) * | 1981-05-18 | 1983-10-18 | Scott Science & Technology, Inc. | Structural information detector |
DE3209582C2 (de) * | 1982-03-17 | 1985-06-27 | Precitronic Gesellschaft für Feinmechanik und Electronic mbH, 2000 Hamburg | Verfahren und Anordnung zum Vermessen des Verformungszustandes eines Schiffskörpers |
DE3309908A1 (de) * | 1982-04-22 | 1983-11-03 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Verfahren zur erkennung von flachstellen an schienenraedern |
US4526039A (en) * | 1983-06-23 | 1985-07-02 | The United States Of America As Represented By The Secretary Of Transportation | Removable strain gauge fixture and method for measuring accumulated strain in a material |
DE3564975D1 (en) * | 1985-06-28 | 1988-10-20 | Plasser Bahnbaumasch Franz | Mobile track-working machine and method for bending the ends of laid rails in the joint zone |
IN170226B (ru) * | 1985-08-02 | 1992-02-29 | Pandrol Ltd | |
DE3537420C1 (en) * | 1985-10-21 | 1987-04-16 | Messerschmitt Boelkow Blohm | Device for measuring forces acting in railway rails or similar loaded beams |
DE8601185U1 (de) | 1986-01-18 | 1987-06-25 | Quante Fernmeldetechnik GmbH, 5600 Wuppertal | Vorrichtung zur Überwachung der Bewegung von auf einer Führungsbahn beweglicher Gegenstände |
US4783001A (en) * | 1987-09-08 | 1988-11-08 | Joseph Subrick | Universal non-spreading railroad track haulage tie assembly |
US4804270A (en) * | 1987-09-23 | 1989-02-14 | Grumman Aerospace Corporation | Multi-axis alignment apparatus |
US5189492A (en) * | 1988-07-27 | 1993-02-23 | J.M. Voith Gmbh | Device for measuring the deflection of elongate components |
DE3825415A1 (de) | 1988-07-27 | 1990-04-12 | Voith Gmbh J M | Einrichtung zur messung der durchbiegung langgesetreckter bauteile |
US5161891A (en) * | 1991-02-12 | 1992-11-10 | Practical Transportation, Inc. | Process for determining and controlling railroad rail's neutral temperature to prevent track buckling and rail fractures |
DE4220799A1 (de) * | 1992-02-28 | 1993-09-02 | Hilti Ag | Einrichtung zum lagern von schienen |
DE4332807C2 (de) * | 1992-10-20 | 2002-07-18 | Schlattl Werner Bavaria Tech | Opto-elektrischer Sensor |
SE470334B (sv) | 1993-01-11 | 1994-01-24 | Bewag Ab | Sätt och anordning för lägesbestämning av långsträckta element, särskilt järnvägsspår |
DE4439342C2 (de) * | 1994-11-04 | 1997-02-20 | Deutsche Bahn Ag | Anordnung zur Ermittlung unrunder Räder von Eisenbahnfahrzeugen |
DE4446760C2 (de) * | 1994-12-24 | 1996-11-14 | Sensor Instr Gmbh | Vorrichtung zum Messen von Verformungen eines Gegenstandes |
DE69616041T2 (de) * | 1995-04-03 | 2002-07-11 | Greenwood Engineering Aps Bron | Verfahren und gerät für das berührungsfreie messen der verbiegungen von wegen oder schienen |
US5660470A (en) * | 1996-02-06 | 1997-08-26 | Southern Technologies Corp. | Rail mounted scanner |
JP2003521678A (ja) * | 1999-09-06 | 2003-07-15 | フランツ、ロットナー | ひずみ検知装置 |
US6634112B2 (en) * | 2001-03-12 | 2003-10-21 | Ensco, Inc. | Method and apparatus for track geometry measurement |
US6674023B2 (en) * | 2001-11-13 | 2004-01-06 | Alan Paine | Method and apparatus for weighing railroad cars |
-
2001
- 2001-10-28 DE DE10152380A patent/DE10152380A1/de not_active Ceased
-
2002
- 2002-10-17 US US10/494,003 patent/US7228747B2/en not_active Expired - Lifetime
- 2002-10-17 WO PCT/EP2002/011596 patent/WO2003037695A1/de not_active Application Discontinuation
- 2002-10-17 EP EP02802295A patent/EP1448423B1/de not_active Expired - Lifetime
- 2002-10-17 ES ES02802295T patent/ES2242903T3/es not_active Expired - Lifetime
- 2002-10-17 DE DE50203381T patent/DE50203381D1/de not_active Expired - Lifetime
- 2002-10-17 EA EA200400602A patent/EA005746B1/ru not_active IP Right Cessation
- 2002-10-17 AT AT02802295T patent/ATE297337T1/de not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1797409A2 (en) | 2004-09-11 | 2007-06-20 | General Electric Company | Rail sensing apparatus and method |
Also Published As
Publication number | Publication date |
---|---|
US7228747B2 (en) | 2007-06-12 |
US20050066743A1 (en) | 2005-03-31 |
EA005746B1 (ru) | 2005-06-30 |
EA200400602A1 (ru) | 2004-12-30 |
ES2242903T3 (es) | 2005-11-16 |
ATE297337T1 (de) | 2005-06-15 |
DE50203381D1 (de) | 2005-07-14 |
DE10152380A1 (de) | 2003-06-26 |
EP1448423A1 (de) | 2004-08-25 |
WO2003037695A1 (de) | 2003-05-08 |
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