Title:
ROTOR FOR THRUST MAGNETIC BEARING, THRUST MAGNETIC BEARING, AND ROTARY FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/190252
Kind Code:
A1
Abstract:
A rotor (51) for a thrust magnetic bearing (50) that axially supports a rotational shaft (30) rotationally driven by a motor (20) is provided with a rotor path (93) that is a part of a coolant path (Z) for feeding a coolant to the motor (20), that passes through the rotor (51). The rotor path (93) comprises an opening (93b) provided on one side in the axial direction and an opening (93a) provided on the other side in the axial direction. It is preferred that the opening (93b) on the one side is positioned on an outer side (Q2) in the radial direction with respect to the opening (93a) on the other side.
Inventors:
FUJIWARA HIDEKI (JP)
YATAKE SATORU (JP)
YATAKE SATORU (JP)
Application Number:
PCT/JP2023/012008
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
H02K7/09; H02K7/14
Foreign References:
| JPH01190231A | 1989-07-31 | |||
| JPH0571533A | 1993-03-23 | |||
| JPS6285216A | 1987-04-18 | |||
| JPH02157716A | 1990-06-18 | |||
| JPH07176132A | 1995-07-14 | |||
| JP2005282602A | 2005-10-13 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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