EP4048572A4 - Railroad car truck damper wedge fittings - Google Patents

Railroad car truck damper wedge fittings Download PDF

Info

Publication number
EP4048572A4
EP4048572A4 EP19949946.8A EP19949946A EP4048572A4 EP 4048572 A4 EP4048572 A4 EP 4048572A4 EP 19949946 A EP19949946 A EP 19949946A EP 4048572 A4 EP4048572 A4 EP 4048572A4
Authority
EP
European Patent Office
Prior art keywords
railroad car
car truck
damper wedge
wedge fittings
truck damper
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.)
Pending
Application number
EP19949946.8A
Other languages
German (de)
French (fr)
Other versions
EP4048572A1 (en
Inventor
Jamal Hematian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Steel Car Ltd
Original Assignee
National Steel Car Ltd
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 National Steel Car Ltd filed Critical National Steel Car Ltd
Publication of EP4048572A1 publication Critical patent/EP4048572A1/en
Publication of EP4048572A4 publication Critical patent/EP4048572A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/06—Bolster supports or mountings incorporating metal springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/12—Bolster supports or mountings incorporating dampers
    • B61F5/122—Bolster supports or mountings incorporating dampers with friction surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
  • Vibration Dampers (AREA)
EP19949946.8A 2019-10-22 2019-10-22 Railroad car truck damper wedge fittings Pending EP4048572A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2019/051500 WO2021077198A1 (en) 2019-10-22 2019-10-22 Railroad car truck damper wedge fittings

Publications (2)

Publication Number Publication Date
EP4048572A1 EP4048572A1 (en) 2022-08-31
EP4048572A4 true EP4048572A4 (en) 2023-07-26

Family

ID=75619286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19949946.8A Pending EP4048572A4 (en) 2019-10-22 2019-10-22 Railroad car truck damper wedge fittings

Country Status (6)

Country Link
EP (1) EP4048572A4 (en)
CN (1) CN114845922B (en)
AU (2) AU2019470817C1 (en)
CA (1) CA3154988A1 (en)
MX (1) MX2022004843A (en)
WO (1) WO2021077198A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115077387B (en) * 2022-08-22 2022-10-28 成都岁生科技有限责任公司 Wedge detection method based on point cloud technology

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256041A (en) * 1979-07-16 1981-03-17 Amsted Industries Incorporated Damping railway truck friction shoe
US6269752B1 (en) * 1999-05-06 2001-08-07 Standard Car Truck Company Friction wedge design optimized for high warp friction moment and low damping force
WO2005005219A2 (en) * 2003-07-08 2005-01-20 National Steel Car Limited Rail road car truck and members thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1070791C (en) * 1995-08-10 2001-09-12 标准汽车公司 Dual face friction wedge
US6895866B2 (en) 2001-08-01 2005-05-24 National Steel Car Limited Rail road freight car with damped suspension
US7631603B2 (en) * 2004-12-03 2009-12-15 National Steel Car Limited Rail road car truck and bolster therefor
EP2038155B1 (en) * 2006-07-11 2010-12-08 SCT Europe Limited Railway bogie with a load weigh valve
GB0708257D0 (en) * 2007-04-28 2007-06-06 Sct Europ Ltd Suspension for a rail vehicle
CN101830234B (en) * 2010-04-27 2011-11-16 南车长江车辆有限公司 Oblique wedge vibration damper for railway freight car bogie
CN102476642A (en) * 2010-11-22 2012-05-30 齐齐哈尔轨道交通装备有限责任公司 Railway vehicle steering frame and railway vehicle
CN102556098B (en) * 2012-01-13 2014-12-03 南车长江车辆有限公司 Variable friction control type oscillating damper of rail wagon
CN102975735B (en) * 2012-08-27 2015-11-25 齐齐哈尔轨道交通装备有限责任公司 A kind of spring damping damping arrangement and apply the bogie truck of this device
AU2014223270A1 (en) * 2013-03-01 2015-09-17 National Steel Car Limited Truck and sideframe therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256041A (en) * 1979-07-16 1981-03-17 Amsted Industries Incorporated Damping railway truck friction shoe
US6269752B1 (en) * 1999-05-06 2001-08-07 Standard Car Truck Company Friction wedge design optimized for high warp friction moment and low damping force
WO2005005219A2 (en) * 2003-07-08 2005-01-20 National Steel Car Limited Rail road car truck and members thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021077198A1 *

Also Published As

Publication number Publication date
CN114845922B (en) 2024-07-26
AU2019470817C1 (en) 2024-06-27
AU2019470817A1 (en) 2022-05-19
WO2021077198A1 (en) 2021-04-29
AU2019470817B2 (en) 2023-12-14
AU2024201609A1 (en) 2024-03-28
EP4048572A1 (en) 2022-08-31
MX2022004843A (en) 2022-09-07
CN114845922A (en) 2022-08-02
CA3154988A1 (en) 2021-04-29

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Ipc: B61F 5/34 20060101AFI20230619BHEP