AIR CONDITIONING DEVICE ELECTRIC MOTOR

Title:

AIR CONDITIONING DEVICE ELECTRIC MOTOR

Document Type and Number:

WIPO Patent Application WO/2023/190599

Kind Code:

A1

Abstract:

An air conditioning device electric motor (30) comprises a rotor (40) configured to rotate freely about an axis of rotation, and a stator core (32, 32a, 32b, 32c, 32d, 32e, 32f, 32g, 32h, 32i) disposed outward of the rotor (40). The stator core (32, 32a, 32b, 32c, 32d, 32e, 32f, 32g, 32h, 32i) comprises: an annular inner yoke portion (41); tooth portions (35) extending toward a radially inner side from the inner yoke portion (41); an annular outer yoke portion (43) disposed outward of the inner yoke portion (41); a plurality of beam portions (42) extending in a circumferential direction between the inner yoke portion (41) and the outer yoke portion (43); inner joint portions (44) joining the inner yoke portion (41) and the beam portions (42) in a radial direction; and outer joint portions (45) joining the outer yoke portion (43) and the beam portions (42) in the radial direction.

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Inventors:

NAKA SHOJIRO (JP)
HIRANO MASAKI (JP)
YAMAGIWA AKIO (JP)
SUTO KAI (JP)

Application Number:

PCT/JP2023/012672

Publication Date:

October 05, 2023

Filing Date:

March 28, 2023

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)
NATURE ARCH INC (JP)

International Classes:

H02K1/18

Foreign References:

JP2019146452A	2019-08-29
US20110254390A1	2011-10-20
JP2015012804A	2015-01-19
US5315200A	1994-05-24

Attorney, Agent or Firm:

MAEDA & PARTNERS (JP)

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