Title:
ELECTRIC ACTUATOR AND ELECTRIC WASTE GATE VALVE SYSTEM
Document Type and Number:
Japanese Patent JP2018059494
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electric actuator and an electric waste gate valve system that can reduce a load on a female thread part of a rotating shaft.SOLUTION: An electric actuator comprises: a motor part 100 that includes a rotating shaft 123 (a rotor 120) in which a female thread part 123a is formed; a first shaft 210 that includes a male thread part 212 screwed in the female thread part 123a of the rotating shaft 123, and linearly moves in an axial direction with respect to the rotating shaft 123 in association with rotation of the rotating shaft 123; and a second shaft 220 connected so as to be relatively movable in the axial direction in a predetermined range with respect to the first shaft 210.SELECTED DRAWING: Figure 3
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Inventors:
KOYANAGI MASAAKI
Application Number:
JP2016232501A
Publication Date:
April 12, 2018
Filing Date:
November 30, 2016
Export Citation:
Assignee:
TAIHO KOGYO CO LTD
International Classes:
F02B37/18; F16H25/20; F16H25/24; F16H35/10
Attorney, Agent or Firm:
Toyohiko Nagata
Takafumi Hidefumi
Takafumi Hidefumi