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Cooling Arrangement And Method For Cooling At Least One Oil To Air External Heat Exchanger
Abstract: A cooling arrangement (20) for cooling at least one OAEHE in a transformer. The cooling arrangement (20) comprises at least one impeller-motor device (10), at least one fluid pipe (11) and at least one fluid discharge device (12). The at least one impeller-motor device (10) is adapted to supply a humidity-controlled fluid to the inlet of the at least one fluid discharge device (12) via the at least one fluid pipe (11) and cause the humidity-controlled fluid to flow through the at least one fluid discharge device (12) and be discharged through the at least one fluid outlet of the at least one fluid discharge device (12) in a direction of the at least one OAEHE.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
15 May 2025
Publication Number
23/2025
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Applicants
HITACHI ENERGY LTD
Brown-Boveri-Strasse 5
8050 Zürich
Inventors
1. SAND, Ulf
Klyvargatan 3
723 56 Västerås
2. BEL FDHILA, Rebei
Synålsvägen 5
724 76 Västerås
3. HOSAIN, Lokman
Rörverksgatan 110
72479 Västerås
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202547046913-STATEMENT OF UNDERTAKING (FORM 3) [15-05-2025(online)].pdf | 2025-05-15 |
| 2 | 202547046913-REQUEST FOR EXAMINATION (FORM-18) [15-05-2025(online)].pdf | 2025-05-15 |
| 3 | 202547046913-PROOF OF RIGHT [15-05-2025(online)].pdf | 2025-05-15 |
| 4 | 202547046913-PRIORITY DOCUMENTS [15-05-2025(online)].pdf | 2025-05-15 |
| 5 | 202547046913-FORM 18 [15-05-2025(online)].pdf | 2025-05-15 |
| 6 | 202547046913-FORM 1 [15-05-2025(online)].pdf | 2025-05-15 |
| 7 | 202547046913-DRAWINGS [15-05-2025(online)].pdf | 2025-05-15 |
| 8 | 202547046913-DECLARATION OF INVENTORSHIP (FORM 5) [15-05-2025(online)].pdf | 2025-05-15 |
| 9 | 202547046913-COMPLETE SPECIFICATION [15-05-2025(online)].pdf | 2025-05-15 |
| 10 | 202547046913-FORM-26 [16-05-2025(online)].pdf | 2025-05-16 |
| 11 | 202547046913-FORM 3 [17-10-2025(online)].pdf | 2025-10-17 |