Title:
AXIAL GAP-TYPE ELECTRIC MOTOR FOR WATER PUMP (EWP)
Document Type and Number:
WIPO Patent Application WO/2024/025161
Kind Code:
A1
Abstract:
The present invention relates to an axial gap-type electric motor for a water pump (EWP), the motor employing a rare-earth-free magnet in a rotor. The axial gap-type electric motor for the EWP, of the present invention, comprises: a rotor rotatably supported by a fluid flow passage between a pump cover and a body case; a stator disposed in a lower space formed by the body case and an upper cover, so as to generate a rotational magnetic field, in order to rotatably drive the rotor; and a waterproof partition disposed at the upper portion of the body case in order to separate the rotor from the stator, wherein a stator core of the stator is embedded in the waterproof partition such that the front end portion thereof is exposed to the fluid flow passage, and a waterproof coating film that is thinner than the waterproof partition is formed on the front end portion of the stator core exposed to the fluid flow passage.
Inventors:
KIM BYUNG SOO (KR)
Application Number:
PCT/KR2023/008791
Publication Date:
February 01, 2024
Filing Date:
June 23, 2023
Export Citation:
Assignee:
AMOTECH CO LTD (KR)
International Classes:
F04D13/08; F04D29/22; F04D29/42; H02K1/2793; H02K3/28; H02K5/128; H02K5/132
Foreign References:
| KR20210108844A | 2021-09-03 | |||
| KR102191404B1 | 2020-12-16 | |||
| JPH08214475A | 1996-08-20 | |||
| JP2004278539A | 2004-10-07 | |||
| KR20130135664A | 2013-12-11 |
Attorney, Agent or Firm:
LEE, Jae Hwa (KR)
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