Title:
POWER STEERING DEVICE
Document Type and Number:
Japanese Patent JP2019055735
Kind Code:
A
Abstract:
To provide a power steering device that is able to improve the characteristic of noise vibration caused by a pitch difference.SOLUTION: A pitch for a plurality of belt teeth 27 in a non-loaded condition is smaller than a pitch for a plurality of motor pulley teeth 25. In addition, an absolute value for a pitch difference between them in a loaded condition is smaller than a pitch difference between them in a non-loaded condition.SELECTED DRAWING: Figure 5
Inventors:
YOSHIDA OSAMU
MARUYAMA TATSUYOSHI
MARUYAMA TATSUYOSHI
Application Number:
JP2017181978A
Publication Date:
April 11, 2019
Filing Date:
September 22, 2017
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
B62D5/04; F16G1/28; F16H19/06; F16H25/20; F16H25/22
Domestic Patent References:
| JP2017144805A | 2017-08-24 | |||
| JPH09159000A | 1997-06-17 | |||
| JPH04331844A | 1992-11-19 | |||
| JPH05106696A | 1993-04-27 | |||
| JPS5582544U | 1980-06-06 | |||
| JPS5977649U | 1984-05-25 |
Foreign References:
| WO2014024377A1 | 2014-02-13 |
Attorney, Agent or Firm:
Patent Service Corporation Ayata Office