ACTUATOR - MITSUBISHI HEAVY IND LTD

Title:

ACTUATOR

Document Type and Number:

WIPO Patent Application WO/2019/189342

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide an actuator in which jamming of sliding surfaces hardly occurs and a desired operation can be reliably performed. The actuator (1) is provided with: a housing (3); a shaft (4) having one end side housed in the housing (3) and the other end side placed outside the housing (3) and capable of moving along the axial direction; polymer material actuators (5), (6) housed in the housing (3), having one end connected to the inside of the housing (3) and the other end connected to the shaft (4), and expanding and contracting by the application of voltage; and a movement adjustment portion for adjusting the movement of the shaft (4) in accordance with the position of the shaft (4). The movement adjustment portion has: an electric motor (7) installed on the housing (3); a cam (9) connected to the electric motor (7) and rotating by the drive force of the electric motor (7); and a cam follower (10) provided on the shaft (4) and touching the cam (9).

Inventors:

MORISAKI YUKI (JP)
KOMATSU NAOTAKA (JP)
SAIKI YASUHIRO (JP)
OYAMA KENICHI (JP)

Application Number:

PCT/JP2019/013152

Publication Date:

October 03, 2019

Filing Date:

March 27, 2019

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)

International Classes:

H02N11/00; F16H25/14; H02K7/06

Domestic Patent References:

WO2005071826A1

2005-08-04

Foreign References:

JP2009159664A	2009-07-16
JP2006520180A	2006-08-31
JP2005282708A	2005-10-13
JPH09310743A	1997-12-02
JP2011106613A	2011-06-02

Other References: