Title:
TRANSFORMER DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/004093
Kind Code:
A1
Abstract:
This transformer device comprises: a transformer (41) that includes a core (42) and coils (46); a hoisting tool mounting part (32) that is disposed above the coils (46) and connected to the core (42); and a cover body (21) that forms an internal space (110) and is connected to the hoisting tool mounting part (32). A hoisting tool for hanging the transformer device including the transformer (41) and the cover body (21) can be mounted to the hoisting tool mounting part (32). The cover body (21) is provided with: a first open section (27) that is located below a first phase transformer (41W) and establishes communication between the internal space (110) and a space outside thereof; and a second open section (26) that is located above a third phase transformer (41U) and establishes communication between the internal space (110) and the space outside thereof. An air flow is formed, the air flow entering into the internal space (110) through the first open section (27) and being discharged to the space outside the internal space (110) through the second open section (26).
Inventors:
FUJIMURA SHINGO (JP)
Application Number:
PCT/JP2021/014871
Publication Date:
January 06, 2022
Filing Date:
April 08, 2021
Export Citation:
Assignee:
DMG MORI CO LTD (JP)
International Classes:
H01F30/10; H01F27/02; H01F27/06; H01F30/12
Foreign References:
| JPS60144919A | 1985-07-31 | |||
| JP2012243956A | 2012-12-10 | |||
| JPS62145310U | 1987-09-12 | |||
| JP2015192140A | 2015-11-02 | |||
| JP2016081965A | 2016-05-16 |
Other References:
See also references of EP 4167257A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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