Title:
COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/181754
Kind Code:
A1
Abstract:
A rotor (21) is provided with a rotor core (31) in which a first refrigerant hole (36-1) is formed, a first magnet (56) which is embedded in the rotor core (31), and a second magnet (57) which is embedded in the rotor core (31). A magnet-side inner wall surface (61) formed on the outer diameter side of the inner wall surface of the first refrigerant hole (36-1) includes a first magnet-side inner wall surface portion (63), a second magnet-side inner wall surface portion (64), and a magnet-side intermediate inner wall surface portion (65). The first magnet-side inner wall surface portion (63) is formed on the side close to the first magnet (56). The second magnet-side inner wall surface portion (64) is formed on the side close to the second magnet (57). The magnet-side intermediate inner wall surface portion (65) is formed between the first magnet-side inner wall surface portion (63) and the second magnet-side inner wall surface portion (64). The magnet-side intermediate inner wall surface portion (65) is formed on the side closer to the rotation axis of a shaft (3) than both the first magnet-side inner wall surface portion (63) and the second magnet-side inner wall surface portion (64).
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Inventors:
NISHIO TOMOKI (JP)
Application Number:
PCT/JP2019/010693
Publication Date:
September 26, 2019
Filing Date:
March 14, 2019
Export Citation:
Assignee:
FUJITSU GENERAL LTD (JP)
International Classes:
H02K1/32; H02K1/27; H02K9/19
Domestic Patent References:
| WO2014174579A1 | 2014-10-30 | |||
| WO2017072967A1 | 2017-05-04 |
Foreign References:
| JP2017041958A | 2017-02-23 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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