Global Patent Index - EP 2646704 A1

EP 2646704 A1 20131009 - CONTROL METHOD FOR AUTOMATIC GEARBOX

Title (en)

CONTROL METHOD FOR AUTOMATIC GEARBOX

Title (de)

STEUERVERFAHREN FÜR EIN AUTOMATISCHES GETRIEBE

Title (fr)

PROCEDE DE COMMANDE POUR UNE BOITE DE VITESSE AUTOMATIQUE

Publication

EP 2646704 A1 20131009 (FR)

Application

EP 11779447 A 20111109

Priority

  • FR 1059934 A 20101130
  • EP 2011069711 W 20111109

Abstract (en)

[origin: WO2012072385A1] Control method for an automatic gearbox that can be used on a motor vehicle, comprising the steps of: - monitoring the value of the differential (RM') of the engine speed (RM), - if said value (RM') drops below a threshold (SRM), operating a clutch means in order to uncouple the primary shaft and the secondary shaft of the automatic gearbox.

IPC 8 full level

F16D 48/06 (2006.01)

CPC (source: EP)

F16D 48/06 (2013.01); F16D 2500/10412 (2013.01); F16D 2500/1085 (2013.01); F16D 2500/3068 (2013.01); F16D 2500/3108 (2013.01); F16D 2500/31453 (2013.01); F16D 2500/31466 (2013.01); F16D 2500/5048 (2013.01); F16D 2500/50684 (2013.01); F16D 2500/7103 (2013.01); F16D 2500/7104 (2013.01)

Citation (search report)

See references of WO 2012072385A1

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)

FR 2967959 A1 20120601; FR 2967959 B1 20121221; EP 2646704 A1 20131009; WO 2012072385 A1 20120607

DOCDB simple family (application)

FR 1059934 A 20101130; EP 11779447 A 20111109; EP 2011069711 W 20111109