WO2014082675A1 - Ensemble couvercle pour système de détection de boîte chaude - Google Patents

Ensemble couvercle pour système de détection de boîte chaude Download PDF

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Publication number
WO2014082675A1
WO2014082675A1 PCT/EP2012/074046 EP2012074046W WO2014082675A1 WO 2014082675 A1 WO2014082675 A1 WO 2014082675A1 EP 2012074046 W EP2012074046 W EP 2012074046W WO 2014082675 A1 WO2014082675 A1 WO 2014082675A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover assembly
hot box
cover
panel
detection system
Prior art date
Application number
PCT/EP2012/074046
Other languages
English (en)
Inventor
Alessandro Agostini
Georg WALCHER
Original Assignee
Progress Rail Inspection & Information Systems S.R.L.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Progress Rail Inspection & Information Systems S.R.L. filed Critical Progress Rail Inspection & Information Systems S.R.L.
Priority to CN201280077251.9A priority Critical patent/CN104995075B/zh
Priority to PCT/EP2012/074046 priority patent/WO2014082675A1/fr
Publication of WO2014082675A1 publication Critical patent/WO2014082675A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—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
    • B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault

Definitions

  • This disclosure relates generally to hot box detection systems, and more particularly to covers for hot box detection systems.
  • Safe and reliable operation of a railroad system may be dependent upon the integrity of the rolling mechanisms of the vehicles travelling over the rails. Worn or damaged train wheel bearings may increase the rolling friction of the axle thereby increasing the power required to pull the train. In addition, worn or damaged bearings may cause excessive wear to the train axle and, in the case of failure of the bearing, may even cause the axle to lock up, preventing rotation of the wheel and thus resulting in a potential fire hazard due to the heat build up and potential sparking caused by friction of the locked wheel scraping along the rail.
  • Bearing temperatures may be scanned by sensing a temperature of the wheel bearing indirectly through a bearing box surrounding the wheel bearing on a rail car of a train. Wheel temperatures may be scanned by sensing a temperature of the wheel directly.
  • hot box detection systems may be mounted along a rail to scan for IR energy emitted by an outer wheel bearing or a wheel of passing rail cars. The IR energy may be indicative of a temperature of the wheel bearing or wheel.
  • the hot box detection systems may be exposed to environmental conditions which may affect the operations thereof. In certain circumstances, as a result of extreme environmental conditions the hot box detection systems may no longer operate as required thereby posing a danger through non-detection of a hot wheel bearing or hot wheel .
  • US6241 196 describes a casing for a hot box scanner.
  • the casing may be useful in adverse meteorological conditions and, in particular, when intensive snow fal l is l ikely to build up a thick layer of snow or ice on the hot box detector.
  • the casing may comprise a casing lower part and a lid having lateral surfaces that converge towards the upper edge.
  • the lid has an electrical heating means on the inner sides, and has openings for the scanning geometry of the infrared detector on its upper edge.
  • the present disclosure is directed, at least in part, to improving or overcoming one or more aspects of the prior art system.
  • the present disclosure describes a cover assembly for a hot box detection system.
  • the cover assembly may comprise at least one shield having a cover panel, a first side panel and a second side panel, the first and second side panels being inclined relative to the cover panel and the cover panel having a first opening configured for passage of scanning beams from the hot box detection system; and at least one housing having a body formed as a truncated pyramid and a hollow stem extending axial I y from the body, the hollow stem configured for passage of scanning beams from the hot box detection system.
  • Fig. 1 is a side view of a cover assembly positioned over a hot box detection system at a rail track according to the present disclosure
  • Fig. 2 is an isometric view of the cov er assembly positioned ov er a hot box detection system at a rail track according to the present disclosure
  • Fig. 3 is an isometric vi ew of a shield of the cover assembly of Figs. 1 and 2;
  • Fig. 4 is an end view of the shield of Fig. 3;
  • Fig. 5 is an isometric view of a housing of the cover assembly of Figs 1 and 2;
  • Fig. 6 is a sectional view of the housing of Fig. 5;
  • Fig. 7 is an exploded v iew of the cover assembly positioned over a hot box detection system at a rail track according to the present disclosure.
  • Fig. 8 is a sectional view of the cover assembly positioned over a hot box detection system at a rail track according to the present disclosure.
  • Figs. 1 and 2 illustrate a cover assembly 10 positioned over a hot box detection system.
  • the cover assembly 10 may be positioned at a sleeper 106 that accommodates the hot box system.
  • the cover assembly 10 may be positioned alongside rail tracks 108.
  • the cover assembly 10 may be suitable for use with hot box detection systems that are deployed in ambient conditions that are prone to high temperatures due to hot sunlight.
  • the cover assembly 10 may be suitable for use with hot box detection systems that are deployed in ambient conditions that are prone to high sand distribution such as by wind.
  • the cover assembly 10 may comprise at least one shield 12 and at least one housing 14.
  • the at least one shield 12 may be positionable above the at least one housing 14.
  • cover assembly 10 may comprise a plurality of shields 12 and a plurality of housings 14.
  • the shield 12 may be disposed at a sleeper 106.
  • Shield 12 may be disposed adjacent to rail tracks 108.
  • the shield 12 may be disposed over a hot box detector so as to provide a screen which serves as a protection from direct sunlight and sand.
  • the housing 14 may be disposed at a sleeper 106. Housing 14 may be disposed adjacent to rail tracks 108.
  • the housing 14 may be disposed over a hot box detector so as to provide a casing which serves as a protection from direct sunlight and sand.
  • the shield 12 may have a cover panel 16, a first side panel 18 and a second side panel 20.
  • the first and second side panel s 18, 20 may extend from edges of the cover panel 16.
  • the first and second side panel s 18, 20 may be monolithic with the cover panel 16.
  • the first and second side panels 18, 20 may be formed separately and subsequently joined to the cover panel 16.
  • the first and second side panels 18, 20 may be disposed on opposite edges of the cover panel 16.
  • the first and second side panels 18, 20 may be disposed on opposite longitudinal edges of the cover panel 16.
  • the first and second side panels 18, 20 may each hav e the same dimensions as the cover panel 16.
  • First and second side panels 18, 20 may each be of the same longitudinal length as the cov er panel 16.
  • First and second side panels 18. 20 and cover panel 16 may each have a longitudinal length of 649.5mm.
  • the longitudinal length of the cover panel 16 may be the distance between the opposite sides that are perpendicular to the longitudinal axis thereof.
  • the longitudinal length of the side panels 18, 20 may be the distance between opposite sides that are perpendicular to the longitudinal axis thereof.
  • First and second side panels 18, 20 may each hav e a transv erse length that is the same as the transverse length of the cov er panel 16.
  • First and second side panels 18, 20 and cov er panel 16 may each have a transverse length of 300mm.
  • the transverse length of the cover panel 16 may be the distance between the opposite sides that are contiguous with the side panels 18, 20.
  • the transverse length of the side panels 18, 20 may be measured from the side contiguous with the cover panel 16 to the opposing free side.
  • first and second side panels 18, 20 may each have a transverse length that is greater relative to the transverse length of the cover panel 16. In an embodiment, first and second side panels 18, 20 may each have a transverse length that is lesser relative to the transverse length of the cover panel 16.
  • the first and second side panels 18, 20 may extend from the cover panel 16.
  • the straight line depth from the free edge of the first and second side panels 18, 20 to the cover panel 16 may be 250mm.
  • the straight line depth may be perpendicular to the longitudinal axis of the cover panel 16.
  • the first and second side panels 18, 20 may extend divergently from the cover panel 16.
  • the first side panel 18 may be inclined relative to the cover panel 16 at an angle Al ranging from 130° to 140°.
  • the first side panel 18 may be incl ined relative to the cover panel 16 at an angle A l of 135".
  • the second side panel 20 may be inclined relative to the cover panel 16 at an angle A2 ranging from 130° to 140".
  • the second side panel 20 may be inclined relative to the cover panel 16 at an angle A2 of 135°.
  • cover panel 16 may be formed as a rectangular plate.
  • First and second side panels 18, 20 may each be formed as a rectangular plate.
  • the first and second side panels 18, 20 may be disposed such that the longitudinal sides thereof may be disposed on the opposite longitudinal sides of the cover panel 16.
  • the cover panel 16 may have a first opening 22.
  • the first opening 22 may enable passage of scanning beams from a hot box detector of the hot box detection system.
  • the first opening 22 may be a through hole extending through the cover panel 16.
  • First opening 22 may be substantially rectangular in shape.
  • First opening 22 may have a length of 50mm and a width of 40mm.
  • the first opening 22 may be equidistant from the longitudinal sides of the cover panel 16. Longitudinal sides of first opening 22 may be parallel to the longitudinal sides of the cover panel 16. Transverse sides of the first opening 22 may be parallel to the transverse sides of the cover panel 16. First opening 22 may be spaced from a transverse side at a distance Dl of 199.5mm.
  • the shield 12 and the housing 14 may be disposed such that the first opening 22 may be axial I y aligned with the hol low stem 26.
  • Mounting holes 49 may be disposed around the first opening 22.
  • mounting holes 49 may enable mounting of a frame 28.
  • the frame 28 may have a central hole that allows passage of scanning beams from a hot box detector.
  • Sand deposited on the cover panel 16 may be moved on the surface thereof by wind towards the first opening 22.
  • Frame 28 may prevent the sand from fall ing into first opening 22.
  • a pair of mounting holes 49 may be disposed at each corner of the first opening 22.
  • the cover panel 16 may further comprise a second opening 48.
  • the second opening 48 may enable passage of scanning beams from a hot box detector of the hot box detection system.
  • the second opening 48 may be a through hole extending through the cover panel 16.
  • Second opening 48 may be substantially rectangular in shape. Second opening 48 may hav e a length of 80mm and a width of 44mm.
  • the second opening 48 may be equidistant between the longitudinal sides of the cover panel 16. Longitudinal sides of second opening 48 may be parallel to the longitudinal sides of the cover panel 16. Transverse sides of the second opening 48 may be parallel to the transverse sides of the cover panel 16 and to the transverse sides of the first opening 22. The second opening 48 may be laterally spaced from the first opening 22. Second opening 48 may be spaced at a longitudinal distance D2 of 305.5mm.
  • the cover panel 16 may further comprise a plurality of mounting orifices 50.
  • Mounting orifices 50 may enable mounting of the shield 12 to a sleeper 106 or a cross tie.
  • Mounting orifices 50 may be distributed along two longitudinal l ines on cover panel 16. Four mounting orifices 50 may be disposed in each line and mutual ly longitudinal ly spaced.
  • housing 14 may have a body 24 formed as a truncated pyramid and a hollow stem 26 extending axial I y from the body 24.
  • Body 24 may be formed so as to encompass a cavity 54 into which a hot box detector may be accommodated.
  • Body 24 may hav e a surface 30.
  • Surface 30 may be substantial ly flat.
  • Surface 30 may be substantially rectangular shaped and bound by opposite longitudinal sides and transverse sides.
  • Surface 30 may have a longitudinal length of 140mm and transverse length of 1 10mm.
  • Body 24 may further comprise four lateral walls 52a, 52b, 52c, 52d.
  • the lateral wal ls 52a, 52b, 52c. 52d may extend from edges of the surface 30.
  • the lateral wal ls 52a, 52b, 52c, 52d may be monolithic with the surface 30.
  • the lateral walls 52a, 52b, 52c, 52 d may be formed separately and subsequently joined to the surface 30.
  • Lateral walls 52a, 52b may be disposed on opposite transverse sides of the surface 30.
  • Lateral walls 52c, 52d may be disposed on opposite longitudinal sides of the surface 30.
  • the pair of opposite lateral wal ls 52a, 52b may have the same angle of incl ination relative to the surface 30 and the same planar lengths.
  • the pair of opposite lateral walls 52c, 52d may have different angles of inclination relative to the surface 30 and different planar lengths.
  • the planar lengths may lie on the same length of the surface 30 and may be measured between the opposing paral lel sides of the lateral walls 52a, 52b,52c, 52d.
  • Lateral wal ls 52a, 52b may have an approximate planar length 1)5, 1)6 of 49mm.
  • Lateral wall 52d may have an approximate planar length D3 of 1 10.5mm.
  • Lateral wall 52c may have an approximate planar length 1)4 of 27mm.
  • the lateral walls 52a, 52b, 52c, 52d may be incl ined relative to the surface 30.
  • the lateral wails 52a, 52b, 52c, 52d may be incl ined relative to the surface 30 in a direction substantial ly away from the stem 26.
  • Lateral wall 52c may be incl ined at an approximate angle A4 ranging from 130° to 140° relative to the surface 30.
  • Lateral wall 52d may be inclined at an approx imate angle A5 ranging from 145° to 160° relative to the surface 30.
  • Lateral walls 52a, 52b may be inclined at an angle ranging from 130° to 140° relativ e to the surface 30.
  • the lateral walls 52a, 52b, 52c, 52d may each be substantially trapezoidal in shape.
  • Each lateral wall 52a, 52b, 52c, 52d may have a side that is contiguous to a respective side of the surface 30.
  • Lateral wal ls 52c, 52d may have a side length of 140mm.
  • Lateral walls 52a, 52b may have a side length of 1 10mm.
  • the opposite sides of each lateral wall 52a, 52b, 52c, 52d may define the outer l imit of the body 24.
  • Lateral walls 52c, 52d may hav e an outer side length of 238mm.
  • Lateral walls 52a, 52b may have an outer side length of 247.5mm.
  • the body 24 may further comprise a base portion 44. Base portion 44 may extend from the lateral walls 52a, 52b, 52c, 52d.
  • Base portion 44 may extend from the lateral walls 52a, 52b, 52c, 52d in a direction substantially away from the surface 30.
  • Base portion 44 may- comprise of walls wherein each wall may be normal to the surface 30.
  • Base portion 44 may have a height of 68mm. The height from the surface 30 to the base portion 44 may be 20mm.
  • the ba.se portion 44 may be provided with mounting positions 46. Mounting positions 46 may enable the mounting of the housing 14 to a sleeper 106 or a cross tie.
  • Stem 26 may be disposed on the surface 30. Stem 26 may have a longitudinal axis normal to the surface 30 and paral lel to the walls of the base portion 44. Stem 26 may encompass a duct 56. The longitudinal axis of duct 56 may be normal to surface 30 and parallel to base portion 44. Duct 56 may commun icate with the cavity 54 of the body 24. The duct 56 may enable passage of scanning beams from a hot box detector of the hot box detection system. The hot box detector may be housed in the body 24.
  • the stem 26 may have a free end 32. Free end 32 may be opposite a base end 34 that is connected to the body 24. The base end 34 may be connected to the surface 30. Stem 26 may be formed as a tube. Stem 26 may be formed as a rectangular tube. In a transverse section, stem 26 may have a length of 60mm and a width of 50mm. The free end 32 may be bevelled so that stem 26 may have a short side 38a that is opposite a long side 38b. Side 38a may have a height of 1 0mm and side 38b may have a height of 60mm. In an embodiment, stem 26 may be formed as a cylinder. Side 38a may be aligned with lateral wall 52c of the body 24. Side 38b may be aligned with lateral wall 52d.
  • the free end 32 may have an aperture 36.
  • Aperture 36 may enable passage of scanning beams from the duct 56 out from the housing 14.
  • the aperture 36 may be slanted.
  • the aperture 36 may be incl ined relative to the surface 30 at an angle A3 that ranges from 40° to 50°.
  • the aperture 36 may be inclined relative to the surface 30 at an angle A3 of 45°.
  • a non-infrared reflective glass 40 may be disposed at the aperture 36.
  • the aperture 36 may be provided with a mount 42 to receive the non-in frared reflective glass 40.
  • the mount 42 may have a cut-out 58 to accommodate the non-infrared reflective glass 40.
  • the mount 42 may be connected to the stem 26 at the aperture 36.
  • Mount 42 may have a length of 71 mm and a w idth of 60mm.
  • the aperture 36 may have a cut-out in the walls of the stem 26 to receive the non-infrared reflective glass 40.
  • Fig. 7 illustrates a cover assembly 10 further comprising a plurality of shields 12 and a plural ity of housings 14 in an exploded view in association with a hot box detection system 100.
  • the cover assembly 10 may comprise terminal shields 12a, 12d and central shields 12b, 12c wherein the shields 12a, 12b, 12c, 12d may be mutually laterally disposable.
  • a first and a second housing 14a, 14b may be disposable below the terminal shields 12a, 12d.
  • Housings 14a, 14b may be positionable over terminal hot box detectors 102.
  • Central shields 12b, 12c may be positionable over central hot box detectors 104.
  • Terminal hot box detectors 102 may extend further from the sleeper 106 or a cross-tie relative to the central hot box detectors 104.
  • the cover assembly 10 may further comprise spacers 60.
  • Spacers 60 may hold the shields 12a, 12b, 12c, 12d at a distance over the sleeper 106 and the housings 14a, 14b. Spacers 60 may have varying heights. Terminal shields 12a, 12d may be supported further from the sleeper 106 or a cross-tie relative to central shields 12b, 12c. Spacers 60 may be mounted to the shields 12a, 12b, 12c, 12d at mounting orifices 50. A spacer 60 may be connected to the shield 12a, 12b, 12c, 12d by a screw.
  • the terminal shields 12a, 12d may be positionable such that the first opening 22 may be aligned to the stems 26 of each respective housing 14 for passage of scanning beams from the respective terminal hot box detectors 102.
  • the central shields 12b, 12c may be positionable such that the second opening 48 may be al igned for passage of scanning beams from the respective central hot box detectors 104.
  • Fig. 8 illustrates a cover assembly 10 positioned over a hot box detection system 100.
  • the hot box detection system 100 may comprise the hot box detectors 102, 104 that are positioned at the cross tie or the sleeper 106.
  • the hot box detectors 102, 104 are orientated to scan the wheel bearings and/ or wheels of a passing rail car.
  • the respective cover panels 16 may be parallel to a top surface on the sleeper 106 or a cross tie.
  • the respective surfaces 30 may be paral lel to a top surface on the sleeper 106 or a cross tie.
  • Scanning beams from the respective terminal hot box detectors 102 may pass through the stems 26 of the respective housings 14 and the first openings 22 of the respective terminal shields 12a, 12d.
  • Scanning beams from the respective central hot box detectors 104 may pass through the second openings 22 of the respective central shields 12b, 12c.
  • the cover assembly 10 may comprise at least at least one terminal shield 12a and at least one housing 14a wherein the first opening 22 and the stem 26 may be configured for passage of scanning beams from a hot box detector hav ing scanning beams orientated vertically to scan bearings of a rail vehicle.
  • the cover assembly 10 may further comprise a central terminal shield 12b wherein the second opening 48 may be configured for passage of scanning beams from a hot box detector having scanning beams orientated at an angle to scan wheels of a rail vehicle.
  • the cover assembly 10 may further comprise a second terminal shield 12d and a second housing 14d wherein the first opening 22 and the stem 26 may be configured for passage of scanning beams from a hot box detector having scanning beams orientated to scan bearings of a rail vehicle.
  • the hot box detection system may be located in areas hav ing harsh environmental conditions, such as areas hav ing exposure to hot sunlight, and. or in desert areas with lots of sand. These conditions may adversely affect the hot box detectors. In some cases, the conditions may cause failures of the detection systems.
  • the cover assembly 10 may protect the hot box detectors 102, 104 of the hot box detection system 100 from adverse environmental conditions such as direct sunlight and sand.
  • the side panels 18. 20 and lateral wal ls 52a, 52b, 52c, 52d may be incl ined such that sand deposits will slide off and not accumulate on the hot box detectors 102, 104.
  • the shield 12 and the housing 14 also screen the hot box detectors 102, 104 from direct sunlight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radiation Pyrometers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention concerne un ensemble couvercle pour un système de détection de boîte chaude. L'ensemble couvercle peut protéger les détecteurs de boîte chaude contre des conditions environnementales difficiles, telles que la lumière directe du soleil et le sable. L'ensemble couvercle peut comporter au moins un écran de protection présentant un panneau de couvercle, un premier panneau latéral et un second panneau latéral, le premier et le second panneau latéral étant inclinés par rapport au panneau de couvercle et le panneau de couvercle présentant une première ouverture configurée pour le passage de faisceaux de balayage à partir du système de détection de boîte chaude ; au moins un logement présentant un corps en forme de pyramide tronquée et une tige creuse s'étendant axialement à partir du corps, la tige creuse étant configurée pour le passage de faisceaux de balayage à partir du système de détection de boîte chaude.
PCT/EP2012/074046 2012-11-30 2012-11-30 Ensemble couvercle pour système de détection de boîte chaude WO2014082675A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280077251.9A CN104995075B (zh) 2012-11-30 2012-11-30 用于热轴检测系统的盖组件
PCT/EP2012/074046 WO2014082675A1 (fr) 2012-11-30 2012-11-30 Ensemble couvercle pour système de détection de boîte chaude

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/074046 WO2014082675A1 (fr) 2012-11-30 2012-11-30 Ensemble couvercle pour système de détection de boîte chaude

Publications (1)

Publication Number Publication Date
WO2014082675A1 true WO2014082675A1 (fr) 2014-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/074046 WO2014082675A1 (fr) 2012-11-30 2012-11-30 Ensemble couvercle pour système de détection de boîte chaude

Country Status (2)

Country Link
CN (1) CN104995075B (fr)
WO (1) WO2014082675A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3984855A3 (fr) * 2020-10-16 2022-07-06 Ben-Innova Systemtechnik GmbH Dispositif et système de détection de freins bloqués et/ou de boîtes chaudes dans les véhicules ferroviaires, ainsi que procédé de surveillance des roues, des roulements de roues et/ou des systèmes de freinage des véhicules ferroviaires

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4974797A (en) * 1988-03-17 1990-12-04 Consolidated Rail Corporation Hot bearing simulator
US5660470A (en) * 1996-02-06 1997-08-26 Southern Technologies Corp. Rail mounted scanner
US6241196B1 (en) 1997-04-10 2001-06-05 Vae Aktiengesellschaft Casing for a hot box or blocked brake detection scanner

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JP2003083352A (ja) * 2001-09-11 2003-03-19 Nsk Ltd センサ付転がり軸受ユニット
CN2576558Y (zh) * 2002-11-11 2003-10-01 广汉科峰电子有限责任公司 一种红外线轴温探测器防护装置
DE102006015924B4 (de) * 2006-04-05 2008-04-17 Schenck Process Gmbh Meßstrecke an einer Schiene
DE102010009754A1 (de) * 2010-03-01 2011-09-01 Schenck Process Gmbh Schwelle zur Auflage von Schienen
CN201646770U (zh) * 2010-05-25 2010-11-24 哈尔滨新世科技有限责任公司 铁路列车轴温双角度探测箱
FR2977732B1 (fr) * 2011-07-04 2016-07-01 Ntn Snr Roulements Module de surveillance d'au moins une grandeur physique caracteristique de l'etat d'un organe de guidage par contact comportant une antenne pifa

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US4974797A (en) * 1988-03-17 1990-12-04 Consolidated Rail Corporation Hot bearing simulator
US5660470A (en) * 1996-02-06 1997-08-26 Southern Technologies Corp. Rail mounted scanner
US6241196B1 (en) 1997-04-10 2001-06-05 Vae Aktiengesellschaft Casing for a hot box or blocked brake detection scanner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3984855A3 (fr) * 2020-10-16 2022-07-06 Ben-Innova Systemtechnik GmbH Dispositif et système de détection de freins bloqués et/ou de boîtes chaudes dans les véhicules ferroviaires, ainsi que procédé de surveillance des roues, des roulements de roues et/ou des systèmes de freinage des véhicules ferroviaires

Also Published As

Publication number Publication date
CN104995075A (zh) 2015-10-21
CN104995075B (zh) 2017-09-12

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