Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRONIC CONTROL POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/035332
Kind Code:
A1
Abstract:
The invention relates to an electronic control power steering device adapted to assist steerage of a steering shaft with rotating force of an electric motor through a speed reducer on the basis of steering torque detected by a torque sensor. A rotary type potentiometer is provided in the speed reducer. A part of the swing arm of the potentiometer is engaged in a spiral groove formed in the lateral surface of a worm wheel in the speed reducer and the swing arm is swung in response to the rotation of the worm wheel so as to detect the angle of rotation of the steering shaft.

Inventors:
Chikaraishi, Kazuo c/o NSK STEERING SYSTEMS CO. LTD. (8-, Soja-Machi 1-Chome Maebashi-Shi Gunma 28, 37185, JP)
Application Number:
PCT/JP2004/015211
Publication Date:
April 21, 2005
Filing Date:
October 07, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NSK LTD. (6-3 Ohsaki 1-Chome, Shinagawa-Ku Tokyo 60, Shinagawa-Ku Tokyo 60, 14185, JP)
NSK STEERING SYSTEMS CO., LTD. (6-3 Ohsaki 1-Chome, Shinagawa-Ku Tokyo 60, Shinagawa-Ku Tokyo 60, 14185, JP)
Chikaraishi, Kazuo c/o NSK STEERING SYSTEMS CO. LTD. (8-, Soja-Machi 1-Chome Maebashi-Shi Gunma 28, 37185, JP)
International Classes:
G01B7/30; B62D5/04; B62D15/02; G01D5/165; G01L3/10; G01L5/22; (IPC1-7): B62D5/04; G01B7/30; G01D5/16
Attorney, Agent or Firm:
Agata, Yuzo (13-5, Akasaka 2-Chome, Minato-Ku Tokyo 52, 10700, JP)
Download PDF: