| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the efficiency of a motor by preventing the motor from being heated and further cooling the motor. <P>SOLUTION: A discharge space 17 coupled to a discharge pipe 18 for discharging a coolant gas compressed by a compressing mechanism 15 to the outside of a casing 11 is provided inside the casing 11. A motor space 16 including the motor 19 is provided so as to be partitioned from the discharge space 17. There is provided an oil feeding passage 24 for feeding oil from an oil reservoir 21 in a lower portion of the casing 11 to a stator 19a of the motor 19 through an oil feeding path 23 provided in a crankshaft 20. <P>COPYRIGHT: (C)2013,JPO&INPIT |
