No.1001E 2006First Edition Backlash Adjustment Mechanism for Reducer of Electric Power Steering System |
| Category | TECHNICAL REPORT |
|---|---|
| Author | T. SUGIURA System Engineering Dept. 1, Steering System Operations Headquarters |
| Abstract | Electric power steering ("EPS") systems, which were first installed on subcompact cars, have been widely adopted even for medium-sized cars. Accordingly, requirements for quietness and good steering feeling of EPS systems have become increasingly severe every year. Especially, the reducer, a core mechanism in EPS systems that functions to decelerate motor speed in favor of assist torque, has sometimes generated rattling noise when the car is driven on rough roads, thus adversely affecting the driver's feeling of luxury driving, and therefore some solution against this noise has become essential. In order to respond to this need, a new backlash adjustment mechanism as described herein has been developed for the reducer, which can be comprised in a conventional packaging. |
| Keyword | reduction gear, worm gear, electric power steering, rattle noise |
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