Generator cooling system for turbo-fan engine
US11791691B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2021 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Feb 22, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/234
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system capable of appropriately cooling a generator and a power cable connected to the generator, disposed in a hot section of a turbo-fan engine, regardless of a rating of the engine is provided. The system includes: a junction box; a bypass air duct that supplies, to the junction box, air extracted from a portion of a bypass flow path of the engine on a side further downstream than a fan outlet; a core air duct that supplies, to the junction box, air extracted from a portion of a core flow path of the engine on a side further upstream than a compressor outlet; and a cooling air duct that extends from the junction box to a space for accommodating the generator, and valves capable of being independently controlled to open and close are provided at downstream ends of the bypass air duct and the core air duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.