Patent ID: 11879465
Assignee: FUJITSU GENERAL LIMITED
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  H | IPC F  H

Claim 2:
3. The compressor according to claim 2,
wherein the rotor includes
a rotor core in which the rotor gas passage is formed, and
an upper end plate that covers an upper end surface of the rotor core, the upper end plate is on a side distant from the compressor unit,
an upper end of the rotor gas passage is formed in the upper end surface, and
in the upper end plate,
an opening that allows the rotor gas passage to communicate with the above-motor space is formed, and
a protrusion is formed, by offsetting the opening, such that the protrusion covers the upper end of the rotor gas passage on a side distant from a rotation axis around which the rotor rotates.