Patent ID: 9638197
Date: 2017-05-02
CPC Classifications: F04D

Claim:
1. A turbo compressor having first, second, and third stage compressor blades rotated by a large gear shaft via an acceleration device, the turbo compressor comprising: a cast integral casing comprising: an acceleration unit cover housing the acceleration device; a compression unit cover housing the respective compressor blades; and first, second, and third stage cooler chambers, which are arranged in parallel at a lower portion of the cast integral casing, into which first, second, and third stage coolers are respectively inserted from a side of the cast integral casing, and which are spatially connected to the compression unit cover via fluid passages and each cooler chamber extends at least from said side of said cast integral casing to a location directly under the acceleration device as viewed from directly above the acceleration device, wherein an oil tank is integrally formed with the cast integral casing so as to run along an insertion-directional innermost side of the first, second, and third stage cooler chambers.