Patent ID: 9664200
Date: 2017-05-30
CPC Classifications: F04D,F05D,F25B

Claim:
1. A turbo compressor comprising: a compression stage provided with an impeller that rotates; a housing provided with a first space that accommodates lubricating oil and accommodates a gear member that transmits rotating force to the impeller, a second space in which the ambient pressure is lower than the first space, a third space in which the impeller is provided, and a gap that brings the second space and a portion on the air intake side of the compression stage in the third space into communication; a pressure equalizing tube that causes a gas to circulate from the first space toward the second space; and an oil separating device that separates, in the second space, the lubricating oil contained in the gas that flows in from the first space via the pressure equalizing tube, wherein the oil separating device comprises: the cover member is arranged in the second space, and the suction port opens into the second space.