Title:
ELECTRIC ACTUATOR AND ELECTRIC WASTEGATE VALVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/061574
Kind Code:
A1
Abstract:
Provided are an electric actuator and an electric wastegate valve system with which a load placed on an internally threaded portion of a rotary shaft can be reduced. The electric actuator is equipped with: a motor unit 100 having a rotary shaft 123 (rotor 120) in which an internally threaded portion 123a is formed; a first shaft 210, which has an externally threaded portion 212 that screws together with the internally threaded portion 123a of the rotary shaft 123, and moves linearly in the axial direction with respect to the rotary shaft 123 in conjunction with rotation of the rotary shaft 123; and a second shaft 220, which is coupled to the first shaft 210 so as to be capable of relative movement within a prescribed range in the axial direction.
More Like This:
| WO/2016/005370 | WASTEGATE VALVE |
| WO/2020/070980 | BEARING STRUCTURE |
Inventors:
KOYANAGI MASAAKI (JP)
Application Number:
PCT/JP2017/030957
Publication Date:
April 05, 2018
Filing Date:
August 29, 2017
Export Citation:
Assignee:
TAIHO KOGYO CO LTD (JP)
International Classes:
F02B37/18; F16H25/20; F16H35/10; F16K31/04
Domestic Patent References:
| WO2011111090A1 | 2011-09-15 | |||
| WO2012077213A1 | 2012-06-14 |
Foreign References:
| JP2016121757A | 2016-07-07 |
Attorney, Agent or Firm:
NAGATA Toyohiko et al. (JP)
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