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Patent Searching and Data


Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2017/130624
Kind Code:
A1
Abstract:
An electric actuator equipped with a motor part, a motion conversion mechanism part, an operation part, and a terminal part, wherein a hollow rotary shaft supporting a rotor core of the motor part is rotatably supported by a rolling bearing, the motion conversion mechanism part is connected to the hollow rotary shaft and is equipped with a ball screw, a ball screw nut for this ball screw is disposed inside the hollow rotary shaft, and the operation part is connected to the motion conversion mechanism part, and is characterized in that an inner raceway surface of the rolling bearing is formed on the hollow rotary shaft.

Inventors:
MATSUTOU TAKUSHI (JP)
IKEDA YOSHINORI (JP)
NAITOU YUUKI (JP)
Application Number:
PCT/JP2016/088811
Publication Date:
August 03, 2017
Filing Date:
December 27, 2016
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
H02K7/06; F16H25/20; F16H25/22; H02K7/116
Domestic Patent References:
WO2001063730A12001-08-30
Foreign References:
JP2015194262A2015-11-05
JP2010242949A2010-10-28
JP2002510020A2002-04-02
JP2011132335A2011-07-07
JP2014018007A2014-01-30
Other References:
See also references of EP 3410582A4
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
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