EP4048572A4 - WEDGE FITTINGS FOR RAILWAY CAR DAMPERS - Google Patents

WEDGE FITTINGS FOR RAILWAY CAR DAMPERS Download PDF

Info

Publication number: EP4048572A4
Authority: EP; European Patent Office
Prior art keywords: railway car; dampers; wedge fittings; fittings; wedge
Prior art date: 2019-10-22
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.)

2019-10-22

Filing date

2019-10-22

Publication date

2023-07-26

2019-10-22 Application filed by National Steel Car Ltd filed Critical National Steel Car Ltd

2022-08-31 Publication of EP4048572A1 publication Critical patent/EP4048572A1/en

2023-07-26 Publication of EP4048572A4 publication Critical patent/EP4048572A4/en

Status Pending legal-status Critical Current

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 WEDGE FITTINGS FOR RAILWAY CAR DAMPERS 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	WEDGE FITTINGS FOR RAILWAY CAR DAMPERS

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
US20090242335A1 (en) *	2006-07-11	2009-10-01	Sct Europe Limited	Railway Bogies
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

2019
- 2019-10-22 MX MX2022004843A patent/MX2022004843A/en unknown
- 2019-10-22 EP EP19949946.8A patent/EP4048572A4/en active Pending
- 2019-10-22 WO PCT/CA2019/051500 patent/WO2021077198A1/en not_active Ceased
- 2019-10-22 CA CA3154988A patent/CA3154988A1/en active Pending
- 2019-10-22 AU AU2019470817A patent/AU2019470817C1/en active Active
- 2019-10-22 CN CN201980102922.4A patent/CN114845922B/en active Active
2024
- 2024-03-12 AU AU2024201609A patent/AU2024201609A1/en active Pending

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

Publication	Publication Date	Title
JP1648021S (en)	2019-12-16	passenger car
EP3820751C0 (en)	2024-05-29	BRAKE MONITORING SYSTEMS FOR RAIL VEHICLES
JP1648024S (en)	2019-12-16	passenger car
JP1662710S (en)	2020-06-29	Passenger car
EP4031423C0 (en)	2024-10-16	AUTOMATIC TRAIN TESTS FOR ARTICULATED VEHICLES
JP1657872S (en)	2020-04-20	Passenger car
EP3778339A4 (en)	2022-01-05	SUPER-EXPRESS VARIABLE CALIBER TRAIN BOGIE FOR RAILWAY VEHICLES
EP4043256A4 (en)	2022-10-12	PASSENGER CAR
EP3480404A4 (en)	2020-02-12	SIDE TRAIN DOOR FOR RAIL VEHICLE
UA42380S (en)	2020-09-25	CAR
HUE060991T2 (en)	2023-04-28	Track section without ballast for railway vehicles
EP3914473A4 (en)	2022-10-19	SEATING FOR VEHICLE
JP1665128S (en)	2023-08-01	passenger car
DE102020123193A8 (en)	2021-07-29	SEAT RAIL STRUCTURE FOR MOTORCYCLES
PT4008599T (en)	2025-01-30	BOGIE AND RAILWAY VEHICLE
JP1660577S (en)	2020-06-01	passenger car
EP3885229C0 (en)	2023-11-01	DOOR FOR HIGH-SPEED TRAINS
EP3860899A4 (en)	2022-07-27	TRAIN DETECTOR FOR RECESSED RAIL
EP4048572A4 (en)	2023-07-26	WEDGE FITTINGS FOR RAILWAY CAR DAMPERS
EP3941798C0 (en)	2023-08-30	RAILWAY ROUTE
EP3774495A4 (en)	2021-12-15	BUMPER FOR CARS
EP3829155C0 (en)	2025-04-23	IMAGE GENERATION SYSTEM FOR RAILWAY VEHICLES
EP3966403C0 (en)	2024-03-20	DECOUPLING RAILWAY
GB2589404B (en)	2022-12-14	Railway vehicle bogie
HUE059939T2 (en)	2023-01-28	Bogie for rail vehicle

Legal Events

Date	Code	Title	Description
2021-05-01	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-07-29	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2022-07-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-08-31	17P	Request for examination filed	Effective date: 20220503
2022-08-31	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2023-01-25	DAV	Request for validation of the european patent (deleted)
2023-01-25	DAX	Request for extension of the european patent (deleted)
2023-07-26	A4	Supplementary search report drawn up and despatched	Effective date: 20230623
2023-07-26	RIC1	Information provided on ipc code assigned before grant	Ipc: B61F 5/34 20060101AFI20230619BHEP
2025-03-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2025-04-16	17Q	First examination report despatched	Effective date: 20250314