Back to results
US 2021/0277983 A1Published application
Electric actuator
AssigneeNtn Corporation
InventorsTakushi MATSUTO, Kimihito USHIDA, Masahiro KAWAI, Akio KATO
Life of this patent
Estimating the term…
Abstract
An electric actuator includes: a motor section (5) including a stator (51) and a rotor (52); a driving-source output shaft (6), which is arranged on a radially inner side of the rotor, and is configured to output rotation of the rotor; and a speed reducer (2) connected to the driving-source output shaft. The driving-source output shaft (6) is hollow, and the speed reducer (2) includes a planetary-traction-drive speed reducer.
Claims18
An electric actuator, comprising:
- a motor section comprising a stator and a rotor;
- a driving-source output shaft, which is arranged on a radially inner side of the rotor, and is configured to output rotation of the rotor;
- and
- a speed reducer connected to the driving-source output shaft,
- wherein the driving-source output shaft is hollow, and
- wherein the speed reducer comprises a planetary-traction-drive speed reducer.
3 more elements
Dependencies are inferred from the claim text.