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Patent Searching and Data


Title:
POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/054096
Kind Code:
A1
Abstract:
This power steering device is provided with: an endless belt (122) that connects a motor pulley (120), being a first pulley having a smaller diameter, and a nut pulley (121), being a second pulley having a greater diameter; and a pulley tensioner (200) that imparts tension to the endless belt (122). The pulley tensioner (200) is provided with a tensioner base (201), a first tensioner section (202), and a second tensioner section (203). The tensioner base (201) is provided with a swingable base (201C), which is disposed on the nut pulley (121) side. The smallest value of the distance between a contact part between the first tensioner section (202) and the endless belt (122) and a contact part between the second tensioner section (203) and the endless belt (122), is set to be less than the outer diameter of the motor pulley (120).

Inventors:
NUMAKURA KOJI (JP)
Application Number:
PCT/JP2018/029707
Publication Date:
March 21, 2019
Filing Date:
August 08, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
B62D5/04; F16H7/12; F16H25/20; F16H25/22
Foreign References:
US20170120947A12017-05-04
JP2003521639A2003-07-15
JP2017141921A2017-08-17
JP2005140249A2005-06-02
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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