Title:
ROTATING MACHINE
Document Type and Number:
Japanese Patent JP2021124038
Kind Code:
A
Abstract:
To improve rotor dynamics of a rotating shaft.SOLUTION: A rotating machine comprises: a casing for covering a rotating shaft to be rotated around an axis; a pair of radial bearings fixed to the casing for rotatably supporting the rotating shaft; a compressing part arranged between the pair of radial bearings in the direction of the axis in the casing for compressing fluid introduced from the outside of the casing; an expanding part arranged side by side with the compressing part for expanding the fluid introduced from the outside of the casing; and a thrust bearing arranged at a position close to a first end part or a second end part of the rotating shaft with respect to the compressing part and the expanding part in the direction of the axis. Out of a compressing part suction port, a compressing part discharge port, an expanding part suction port, and an expanding part discharge port, the compressing part suction port is arranged at a position closest to the first end part, and the expanding part discharge port is arranged at a position closest to the second end part in the direction of the axis.SELECTED DRAWING: Figure 1
Inventors:
KOBAYASHI MASAHIRO
NAGAO HIDEKI
MIYATA HIROYUKI
NAGAO HIDEKI
MIYATA HIROYUKI
Application Number:
JP2020016565A
Publication Date:
August 30, 2021
Filing Date:
February 03, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY IND COMPRESSOR CORP
International Classes:
F04D17/12; F02C1/04; F04D29/056; F25B11/02
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata