Actuator
AssigneeSony Corporation
InventorsShinji Ishii, Yoshihiro Kuroki
Life of this patent
Estimating the term…
Abstract
In the actuator device, there are provided the control means to control the rotation of the rotor axis via the driving means in the housing, the rotor axis rotation displacement detection means for detecting the rotation displacement of the rotor axis in the housing, the rotor axis supported rotation-free, the permanent magnet integrated concentrically with said rotor axis, the magnetic field generation means to generate the magnetic field that makes the permanent magnet generate the rotating power, and a temperature sensor for detecting the temperature of the permanent magnet.
Claims13
An actuator device, comprising:
- a housing;
- a freely rotatable rotor axis supported within the housing;
- driving means for driving the rotor axis, the driving means being rotatable about the rotor axis and stored within the housing;
- control means for controlling the rotation of the rotor axis via the driving means, the control means being provided within the housing;
- rotor axis rotation displacement detection means for detecting a rotation displacement of the rotor axis, the rotation displacement detection means being provided in the housing;
- torque amplification means for amplifying rotation torque output from the rotor axis;
- an output axis for rotating based on the rotation torque amplified by the torque amplification means;
- an output axis rotation displacement detection means for detecting a rotation displacement of the output axis;
- and
- calculation means, wherein the torque amplification means has reversible driving power sufficient for an input axis to generate a displacement corresponding to load torque externally given to the output axis, and the calculation means detects the load torque based on the detection results of the rotor axis rotation displacement detection means and the output axis displacement detection means.
An actuator device, comprising:
- a housing;
- a freely rotatable rotor axis supported within the housing;
- driving means for rotating the rotor axis, the driving means being stored within the housing;
- rotor axis rotation displacement detection means for detecting a rotation displacement of the rotor axis;
- torque amplification means for amplifying rotation torque output from the rotor axis;
- an output axis for rotating based on the rotation torque amplified by the torque amplification means;
- an output axis rotation displacement detection means for detecting a rotation displacement of the output axis;
- and
- calculation means, wherein the torque amplification means has reversible driving power sufficient for an input axis to generate a displacement corresponding to load torque externally given to the output axis, and the calculation means detects the load torque based on the detection results of the rotor axis rotation displacement detection means and the output axis displacement detection means.
An actuator device comprising:
- a freely rotatable rotor axis;
- a permanent magnet integrated concentrically with the rotor axis;
- magnetic field generating means for generating a rotation power onto the permanent magnet centering about the rotor axis by generating a magnetic field having a magnitude corresponding to a driving electric current value to be supplied;
- and
- a temperature sensor for detecting a temperature of the permanent magnet.
Dependencies are inferred from the claim text.