| 摘要 |
An electric motor (10) of the present invention includes: a stator (11); a rotor (12) axially supported to a rotational shaft (13) in such a configuration as to rotate relative to the stator (11), the rotor (12) being adapted to be cooled by a cooling medium (L); a cooling medium storing portion (60) disposed on the stator (11) side and storing therein (60) the cooling medium (L); and a cooling medium channel (22) for leading the cooling medium (L) from the cooling medium storing portion (60) to the rotor (12), wherein a discharge port (23a) for discharging the cooling medium (L) of the cooling medium channel (22) is disposed close to a rotational portion (18a) of the rotor (12), the cooling medium storing portion (60) is disposed lower than the discharge port (23a), and a negative pressure caused between the rotor (12) and the discharge port (23a) sucks the cooling medium (L) in the cooling medium storing portion (60). |
