Global Patent Index - EP 1318058 A1

EP 1318058 A1 20030611 - Variable-gauge wheelset for a railway vehicle with independent drive wheels directly coupled to coaxial motors

Title (en)

Variable-gauge wheelset for a railway vehicle with independent drive wheels directly coupled to coaxial motors

Title (de)

Spurweitenverstellbarer Radsatz für Schienenfahrzeuge mit unabhängigen Triebrädern, die direkt an koaxiale Motoren gekoppelt sind

Title (fr)

Essieu à écartement variable pour véhicule ferroviaire avec roues motrices independantes directement couplées aux moteurs coaxiaux

Publication

EP 1318058 A1 20030611 (EN)

Application

EP 02380258 A 20021210

Priority

ES 200102735 A 20011210

Abstract (en)

Variable-gauge wheelset (1) for railway vehicle with independent drive wheels (4,4') directly coupled to coaxial traction motors (7), comprising a frame (2), at least one axle consisting of two sets of independent wheels, each one with a wheel (4,4') mounted in a short axle (5,5') supported at the ends in respective bearer boxes (6a,6b;6a',6b') displaceable in said frame, and an electric traction motor (7) for each one of the said wheels, mounted coaxially with each one of said short axles (5,5') and provided with a stator (8,8') attached to said frame (2) and a rotor (9,9') inside which a telescopic transmission shaft (10,10') is housed and is connected with said rotor (9,9') and said short axle (5,5') with interposition of respective flexible couplings. <IMAGE>

IPC 1-7

B61F 7/00; B61C 9/50

IPC 8 full level

B61C 9/50 (2006.01); B61F 7/00 (2006.01)

CPC (source: EP ES)

B61C 9/50 (2013.01 - EP ES); B61F 7/00 (2013.01 - EP ES)

Citation (search report)

  • [DA] EP 0825085 A2 19980225 - TALGO PATENTES [ES]
  • [A] PATENT ABSTRACTS OF JAPAN vol. 018, no. 682 (M - 1729) 22 December 1994 (1994-12-22)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 2000, no. 16 8 May 2001 (2001-05-08)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 1999, no. 09 30 July 1999 (1999-07-30)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

EP 1318058 A1 20030611; EP 1318058 B1 20080813; AT 404416 T 20080815; DE 60228190 D1 20080925; ES 2205997 A1 20040501; ES 2205997 B1 20050716

DOCDB simple family (application)

EP 02380258 A 20021210; AT 02380258 T 20021210; DE 60228190 T 20021210; ES 200102735 A 20011210