Motor actuator
AssigneeAsmo Co., Ltd.
InventorsYukinobu Kujira, Seiji Tateishi
Life of this patent
Estimating the term…
Abstract
The motor actuator includes a driving motor, and a motor gear formed on a rotary shaft of the driving motor. The motor actuator further includes an input gear which meshes with the motor gear, and a planet gear revolving around a rotation axis of the input gear when the input gear is rotated. It further includes a stationary gear which is fixed in a coaxial relation with the input gear, and meshes with the planet gear. It further includes an output gear which is disposed rotatably in a coaxial relation with the input gear, has an output shaft and teeth whose number is different from that of the stationary gear, and meshes with the planet gear. With this configuration, the motor actuator is preferably small and reliable, and provides preferable output characteristics in torque and rotational speed.
Claims33
A motor actuator comprising:
- a driving motor;
- a motor gear formed on a rotary shaft of the driving motor;
- an input gear operatively coupled with the motor gear;
- a planet gear disposed to revolve around a rotation axis of the input gear when the input gear is rotated;
- a stationary gear which is fixed in a coaxial relation with the input gear, and meshes with the planet gear;
- and
- an output gears which is disposed rotatably in a coaxial relation with the input gear, wherein the output gear has an output shaft and teeth, the number of which is different from that of the stationary gear, and wherein the output gear meshes with the planet gear.
A motor actuator comprising:
- a driving motor;
- a motor gear formed on a rotary shaft of the driving motor;
- an input gear operatively coupled with the motor gear, wherein the input gear is hollow and generally cup-shaped and has teeth on an outer surface thereof;
- a planet gear disposed to revolve around a rotation axis of the input gear when the input gear is rotated;
- a stationary gear which is fixed in a coaxial relation with the input gear, and meshes with the planet gear, wherein the stationary gear has teeth on an outer surface thereof, which is located inside the input gear;
- and
- an output gear, which is rotatable and coaxial with the input gear, wherein the output gear has an output shaft and teeth, the number of which is different from that of the stationary gear, and the output gear meshes with the planet gear, and wherein the output gear has teeth on an outer surface thereof.
Dependencies are inferred from the claim text.