Global Patent Index - EP 1474623 A2

EP 1474623 A2 20041110 - METHODS FOR REGULATING THE GEAR RATIO OF AN AUTOMATIC POWER-BRANCHED TRANSMISSION, AND AUTOMATIC POWER-BRANCHED TRANSMISSION

Title (en)

METHODS FOR REGULATING THE GEAR RATIO OF AN AUTOMATIC POWER-BRANCHED TRANSMISSION, AND AUTOMATIC POWER-BRANCHED TRANSMISSION

Title (de)

VERFAHREN ZUM REGELN DER BERSETZUNG EINES LEISTUNGSVERZWEIG TEN AUTOMATISCHEN GETRIEBES SOWIE LEISTUNGSVERZWEIGTES AUTOMATISCHES GETRIEBE

Title (fr)

PROCEDES POUR REGULER LE RAPPORT DE TRANSMISSION D'UNE BOITE DE VITESSES AUTOMATIQUE A BRANCHEMENT DE COUPLE ET BOITE DE VITESSES AUTOMATIQUE A BRANCHEMENT DE COUPLE

Publication

EP 1474623 A2 20041110 (DE)

Application

EP 03704248 A 20030127

Priority

  • DE 0300203 W 20030127
  • DE 10205059 A 20020207

Abstract (en)

[origin: WO03067127A2] Disclosed are methods for regulating or controlling the gear ratio of an automatic power-branched transmission, comprising a shaft driven by an engine, a variator, a wheel gear, a driven shaft, and at least two steering clutches, by means of which the variator and the wheel gear can be connected to each other in such a way that the regulating range of the variator is traversed in one direction within a first range of gear ratios and is traversed in the opposite direction within a second range of gear ratios during traversing of the entire range of gear ratios. Said gear-changing strategies result in reduced wear of the wrapping means and allow for comfortable changing between the gear ratio ranges. Also disclosed is the structure of advantageous automatic power-branched transmissions.

IPC 1-7

F16H 37/08

IPC 8 full level

F16H 37/02 (2006.01); F16H 37/08 (2006.01); F16H 61/00 (2006.01); F16H 61/662 (2006.01); F16H 61/664 (2006.01)

CPC (source: EP KR US)

F16H 37/08 (2013.01 - KR); F16H 37/084 (2013.01 - EP US); F16H 37/0846 (2013.01 - EP US); F16H 61/66254 (2013.01 - EP US); F16H 61/66272 (2013.01 - EP US); F16H 2037/025 (2013.01 - EP US); F16H 2037/088 (2013.01 - EP US); F16H 2061/6614 (2013.01 - EP US); F16H 2061/6616 (2013.01 - EP US)

Citation (search report)

See references of WO 03067127A2

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 03067127 A2 20030814; WO 03067127 A3 20031113; AU 2003206639 A1 20030902; CN 100432494 C 20081112; CN 101398068 A 20090401; CN 101398068 B 20110706; CN 1692241 A 20051102; DE 10302992 A1 20031016; EP 1474623 A2 20041110; JP 2005517140 A 20050609; JP 2009198008 A 20090903; JP 5023383 B2 20120912; KR 20040096556 A 20041116; NL 1022590 A1 20030808; NL 1022590 C2 20051017; NL 1030106 A1 20051107; NL 1030106 C2 20060503; NL 1031664 A1 20060607; NL 1031664 C2 20080729; US 2005227809 A1 20051013; US 7493203 B2 20090217

DOCDB simple family (application)

DE 0300203 W 20030127; AU 2003206639 A 20030127; CN 03803583 A 20030127; CN 200810176715 A 20030127; DE 10302992 A 20030127; EP 03704248 A 20030127; JP 2003566445 A 20030127; JP 2009105968 A 20090424; KR 20047012261 A 20030127; NL 1022590 A 20030205; NL 1030106 A 20051004; NL 1031664 A 20060421; US 50317005 A 20050425