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Patent Searching and Data


Title:
ELECTRIC MOTOR SYSTEM, TURBO COMPRESSOR, AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/202543
Kind Code:
A1
Abstract:
This electric motor system (101) comprises a drive shaft (130) which rotationally drives a load (120), and a bearing-less motor (170) and a radial magnetic bearing (180) disposed side by side in the axial direction of the drive shaft (130). The radial load of the drive shaft (130) is supported in a non-contact manner by the bearing-less motor (170) and the radial magnetic bearing (180). A thrust magnetic bearing (150) is disposed between the bearing-less motor (170) and the radial magnetic bearing (180).

Inventors:
IRINO YUSUKE (JP)
FU YUU (JP)
NAKAZAWA YUJI (JP)
Application Number:
PCT/JP2022/011929
Publication Date:
September 29, 2022
Filing Date:
March 16, 2022
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F16C32/04; F04D29/058; H02K7/09; H02K7/14
Foreign References:
JP2013231471A2013-11-14
JP2018028295A2018-02-22
JPH07184345A1995-07-21
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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