TURBO TYPE FLUID MACHINE

摘要

A turbo type compressor of the present invention comprises a housing, a rotating shaft, and first and second impellers. The rotating shaft is supported by the housing to be rotatable around a rotational axis. A cylinder portion is provided on the rear end side of the rotating shaft. The rotating shaft is supported by a first radial foil bearing provided on the radially outer circumference of the cylinder portion and a second radial foil bearing provided on the radially inner circumference of the cylinder portion.

主权项

1. A turbo type fluid machine comprising:
a rotating shaft supported by a housing to be rotatable around a rotational axis; and an impeller coupled to the rotating shaft, wherein the turbo type fluid machine discharges fluid along with rotation of the impeller, wherein the rotating shaft includes a cylinder portion, and the rotating shaft is supported by a first radial foil bearing provided on a radially outer circumference of the cylinder portion and a second radial foil bearing provided on a radially inner circumference of the cylinder portion.