Fan-equipped motor
AssigneeFanuc Corporation
InventorYasuyuki Nakazawa
Life of this patent
Estimating the term…
Abstract
A fan-equipped motor includes: a motor for rotating a spindle, the motor including a hollow-shaped motor shaft in which a through hole is formed; and a fan for cooling the motor, the fan including a hollow-shaped rotary shaft in which a through hole is formed, and a plurality of blades attached to the rotary shaft, the fan being disposed on the side of the motor that is opposite to the spindle. The motor shaft and the rotary shaft are disposed so that cooling air produced by the fan flows in a different passage and in a different direction from a gas supplied into the through hole of the rotary shaft and flowing in the through hole of the motor shaft.
Claims7
A fan-equipped motor comprising:
- a motor configured to rotate a spindle, the motor including a hollow-shaped motor shaft in which a through hole is formed;
- and
- a fan configured to cool the motor, the fan including a hollow-shaped rotary shaft in which a through hole is formed, and a plurality of blades attached to the rotary shaft, the fan being disposed on a side of the motor opposite to the spindle,
- wherein the motor shaft and the rotary shaft are disposed so that cooling air produced by the fan flows in a different passage and in a different direction from a gas supplied into the through hole of the rotary shaft and flowing in the through hole of the motor shaft.
Dependencies are inferred from the claim text.