EP 2018307 A1 20090128 - WORM GEAR FOR ELECTRIC POWER STEERING DEVICE
Title (en)
WORM GEAR FOR ELECTRIC POWER STEERING DEVICE
Title (de)
SCHNECKENGETRIEBE ZUR ELEKTRISCHEN SERVOLENKUNG
Title (fr)
ENGRENAGE À VIS SANS FIN POUR DISPOSITIF DE DIRECTION À ÉNERGIE ÉLECTRIQUE
Publication
Application
Priority
US 2006018525 W 20060512
Abstract (en)
[origin: WO2007133205A1] A gear for an electric power steering device for reducing the rotation speed of an electric motor for steering assist with a reduction gear mechanism and transmitting the rotation to a steering mechanism, the gear being incorporated and used in the reduction gear mechanism, wherein at least the teeth of the gear are formed from a resin composition of a non-reinforced type comprising (a) a polyamide resin having a carboxyl group at least at a terminal end; (b) 0.5-5 wt.% a polycarbodiimide compound, and (c) 3-15 wt.% an elastic material modified with a reactive functional group.
IPC 8 full level
B62D 5/04 (2006.01)
CPC (source: EP)
B62D 5/0409 (2013.01); C08L 77/00 (2013.01); F16H 1/16 (2013.01); F16H 55/06 (2013.01)
Citation (search report)
See references of WO 2007133205A1
Designated contracting state (EPC)
DE FR GB IT
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
WO 2007133205 A1 20071122; CN 101223071 A 20080716; EP 2018307 A1 20090128; JP 2009536891 A 20091022
DOCDB simple family (application)
US 2006018525 W 20060512; CN 200680016373 A 20060512; EP 06770299 A 20060512; JP 2009509531 A 20060512