Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2021/161688
Kind Code:
A1
Abstract:
This electric actuator comprises: an electric motor 2; a reducer 3 that reduces and outputs the rotation speed of the electric motor 2; a motion conversion mechanism 4 that converts the rotation, the speed of which has been reduced by the reducer, into a linear motion; and a housing 6 that accommodates the electric motor 2, the reducer 3 and the motion conversion mechanism 4. The motion conversion mechanism 4 has: a screw shaft 7 that rotates in accordance with the rotation of the reducer 3, and a nut 8 that linearly moves in accordance with the rotation of the screw shaft 7. The housing 6 has a through-hole 6a disposed on an extension line of an end section on the side opposite to the reducer 3 side of the screw shaft 7.
Inventors:
SAITO TAKAHIDE (JP)
SATO KOJI (JP)
SATO KOJI (JP)
Application Number:
PCT/JP2021/000240
Publication Date:
August 19, 2021
Filing Date:
January 06, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
H02K7/06; F16H25/20; F16H25/24
Foreign References:
| JP2017125513A | 2017-07-20 | |||
| JP2001271925A | 2001-10-05 | |||
| JP6506147B2 | 2019-04-24 | |||
| JP2006306362A | 2006-11-09 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Download PDF: