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Patent Searching and Data


Title:
ELECTRICAL ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2017/154836
Kind Code:
A1
Abstract:
This electrical actuator is provided with a motor unit A and a motion conversion mechanism unit B, the motion conversion mechanism unit B having a screw shaft 33 that is disposed coaxially with the rotational center of a rotor 24 of the motor unit A, a nut member 32 that is rotatably fitted therearound, and a planetary gear decelerator 10 that decelerates and outputs the rotation of the rotor 24, the screw shaft 33 advancing in one axial direction or retreating in another axial direction in accordance with the direction of rotation of the nut member 32, wherein: the nut member 32 is disposed within the inner periphery of the rotor 24, and linked, in a manner that allows for the transmission of torque, to a planetary gear carrier 43 serving as an output member for the planetary gear decelerator 10.

Inventors:
MATSUTOU TAKUSHI (JP)
IKEDA YOSHINORI (JP)
NAITOU YUUKI (JP)
Application Number:
JP2017/008776
Publication Date:
September 14, 2017
Filing Date:
March 06, 2017
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
H02K7/06; F16H1/28; F16H25/22; H02K7/116
Foreign References:
JP2015149799A2015-08-20
US20120024616A12012-02-02
Other References:
See also references of EP 3429068A4
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
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