Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2023/047916
Kind Code:
A1
Abstract:
In the present invention, a casing 10 that accommodates an electric motor 2 and a ball screw 30 serving as a motion conversion mechanism 3 comprises: a first case 11 which is made of an aluminum alloy and accommodates the electric motor 2; and a second case 12 that is joined together with the first case 11 in the axial direction in a state where the ball screw 30 is accommodated in the second case. The electric motor 2 is supported by the second case 12 via a metal bracket 8 and a screw 9; and at least one of the entire outer surface of the metal bracket 8 and the second case 12 is coated with an insulation coat C.
Inventors:
SATO KOJI (JP)
HIRANO SHINSUKE (JP)
HIRANO SHINSUKE (JP)
Application Number:
PCT/JP2022/033068
Publication Date:
March 30, 2023
Filing Date:
September 02, 2022
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
H02K7/06; F16H25/20; F16H25/22; H02K5/04
Foreign References:
| JP2020005453A | 2020-01-09 | |||
| JP2005333800A | 2005-12-02 | |||
| JPS4721998Y1 | 1972-07-18 | |||
| JPS3113284Y1 | ||||
| JPS58139877U | 1983-09-20 | |||
| JP2001052526A | 2001-02-23 | |||
| JP2020139540A | 2020-09-03 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Download PDF: