Title:
COMPRESSOR AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/190259
Kind Code:
A1
Abstract:
This compressor comprises a rotary shaft (15), a motor (18) that rotates the rotary shaft (15), and a gas bearing that supports the rotary shaft (15), wherein a passage (Z), through which flows a refrigerant for cooling a coil (17) of the motor (18) and the gas bearing, is provided between the coil (17) and a housing (20) of the gas bearing. The gas bearing preferably includes a radial gas bearing (40) that rotatably supports the rotary shaft (15), and the passage (Z) preferably includes a first passage (Z1) provided between the coil (17) of the motor (18) and a housing (21) of the radial gas bearing (40).
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Inventors:
TANAKA KOICHI (JP)
NISHIMURA KOSUKE (JP)
IWATA ARIHIRO (JP)
FUKUDA DAIGO (JP)
KAWACHIYA YUKI (JP)
NISHIMURA KOSUKE (JP)
IWATA ARIHIRO (JP)
FUKUDA DAIGO (JP)
KAWACHIYA YUKI (JP)
Application Number:
PCT/JP2023/012028
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04D29/58
Foreign References:
| US20080199326A1 | 2008-08-21 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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