HUB UNIT HAVING STEERING FUNCTION AND VEHICLE EQUIPPED WITH SAME

Title:

HUB UNIT HAVING STEERING FUNCTION AND VEHICLE EQUIPPED WITH SAME

Document Type and Number:

WIPO Patent Application WO/2020/129988

Kind Code:

A1

Abstract:

A hub unit (1) having a steering function according to the present invention comprises: a hub unit body (2); a unit support member (3) that is provided on a knuckle (6) to rotatably support the hub unit body (2) around a steering axis (A) extending in a vertical direction; and a steering actuator (5) that rotates the hub unit body (2) around the steering axis (A). The steering actuator (5) has a motor (26) and a linear motion mechanism (25) that converts a rotation output of the motor (26) into a linear motion, the linear motion mechanism (25) has a sliding screw-type feeding screw mechanism (33) including a nut part (36) and a screw shaft (36), and a surface hardening treated layer is provided on at least a screw surface of one or both of the nut part (35) and the screw shaft (36).

Inventors:

OOBA HIROKAZU (JP)
UTSUNOMIYA SATOSHI (JP)
OHATA YUSUKE (JP)

Application Number:

PCT/JP2019/049444

Publication Date:

June 25, 2020

Filing Date:

December 17, 2019

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NTN TOYO BEARING CO LTD (JP)

International Classes:

F16H25/20; B62D5/04; B62D7/09; B62D7/18; F16H25/24

Domestic Patent References:

WO2018235894A1

2018-12-27

Foreign References:

CN107757704A	2018-03-06
JP2015093535A	2015-05-18
JP2009241741A	2009-10-22
JP2012254784A	2012-12-27
JP2014088887A	2014-05-15
JPH01145465A	1989-06-07
JPH10184844A	1998-07-14
JP2004308741A	2004-11-04
JP2006315603A	2006-11-24
JPS598332A	1984-01-17
JP2013237911A	2013-11-28
JP2006117182A	2006-05-11
JP2012121391A	2012-06-28
JP2009226972A	2009-10-08
DE102012206337A	2012-04-18
JP2014061744A	2014-04-10

Other References: