Motor rotor and compressor equipped with the motor rotor

Details Motor rotor and compressor equipped with the motor rotor Motor rotor and compressor equipped with the motor rotor

2008-02-14

2011-10-25

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216001, C417S321000

Reexamination Certificate

active

08044542

ABSTRACT:
A motor rotor for a compressor includes a rotor core, at least one gas passage and an oil passage. The rotor core is configured to rotate about a rotation axis and has a plurality of stacked steel plates. The gas passage penetrates the rotor core in its axial direction and allows a gas fluid to flow therethrough from a first axial direction end portion of the rotor core to a second axial direction end portion on the opposite axial side. The oil passage is positioned radially outwardly of the gas passage inside the rotor core relative to the rotation axis. The oil passage allows oil to flow from the second axial direction end portion to the first axial direction end portion, which is opposite to the gas flow direction through the gas passage.

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