Patent · US Expired

Electric power steering apparatus

US6041887A · kind A · utility

25Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1997
Grant dateMar 28, 2000
Priority date
Expiry dateDec 29, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H61/6645
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An object of this invention is to provide an electric power steering apparatus with good steering feeling. This electric power steering apparatus has a steering system for turning tires in accordance with manipulation of steering wheel, a power assist motor for assisting this turning of the tires by the steering system, a non-stage transmission with variable transmission ratios, interposed between the power assist motor and the steering system, and an ECU for controlling the transmission ratios of the non-stage transmission and for controlling the output of motor in accordance with the turning of the tires by the steering system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.