Patent ID: 8833102
Filing Date: 2014-09-16
Classification: F04D

Abstract:
1. A turbo compressor comprising: a case divided into a motor housing, a gear housing, and a compressor housing; a plurality of compression stages which are disposed rotatably with respect to the case via sliding parts, each of the plurality of compression stages including an impeller; an oil tank disposed in the gear housing, lubricant oil to be supplied to the sliding parts being stored in the oil tank; a motor in the motor housing for rotating the plurality of the impellers included in the plurality of the compression stages via the sliding parts; an oil cooler for cooling the lubricant oil; primary piping connecting the oil tank with the oil cooler; and secondary piping connecting the oil cooler with the sliding parts, wherein the gear housing includes an accommodation space which is located above the oil tank and configured to communicate with the oil tank, and the accommodation space is configured to accommodate a first part of the sliding parts, the oil cooler, part of the primary piping, and part of the secondary piping.