EP 3405616 B1 20191120 - TAMPING MACHINE WITH SYNCHRONIZED HYDRAILIC MOTORS
Title (en)
TAMPING MACHINE WITH SYNCHRONIZED HYDRAILIC MOTORS
Title (de)
STOPFMASCHINE MIT SYNCHRONISIERTEN HYDRAULIKMOTOREN
Title (fr)
MACHINE DE BOURRAGE À MOTEURS HYDRAULIQUES SYNCHRONISÉS
Publication
Application
Priority
- FR 1650464 A 20160121
- IB 2017050306 W 20170120
Abstract (en)
[origin: WO2017125888A1] A tamping machine (10) comprises: at least one first tamping unit (34) comprising first tamping tools (40, 42) and a first hydraulic motor (76) provided with a first drive shaft (80) driving the first tamping tools (40, 42) so as to generate tamping movements, and a second tamping unit (38) adjacent to the first tamping unit (32) and comprising second tamping tools (44, 46) and a second hydraulic motor (78) provided with a second drive shaft (82) driving the second tamping tools (44, 46) so as to generate tamping movements. The first hydraulic motor (76) and the second hydraulic motor (78) are supplied with power by a common synchronized hydraulic power supply system (83).
IPC 8 full level
E01B 27/16 (2006.01); E01B 27/20 (2006.01)
CPC (source: EP US)
E01B 27/16 (2013.01 - EP US); E01B 27/20 (2013.01 - US); E01B 2203/12 (2013.01 - EP US)
Designated contracting state (EPC)
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
DOCDB simple family (publication)
WO 2017125888 A1 20170727; CN 108699779 A 20181023; CN 108699779 B 20201103; EP 3405616 A1 20181128; EP 3405616 B1 20191120; ES 2842823 T3 20210714; FR 3047016 A1 20170728; FR 3047016 B1 20190906; US 11072891 B2 20210727; US 2019032282 A1 20190131
DOCDB simple family (application)
IB 2017050306 W 20170120; CN 201780011816 A 20170120; EP 17701751 A 20170120; ES 17701751 T 20170120; FR 1650464 A 20160121; US 201716071927 A 20170120