Aircraft auxiliary power unit
US12017790B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 1, 2020 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | May 31, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/80
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An auxiliary power unit (10) for an aircraft (1) comprises a gas turbine engine comprising an engine core (12). The engine core comprises a core compressor (14) and core turbine (18) coupled by a core shaft (24). The auxiliary power unit further comprises a load spool comprising a load compressor (30), a load turbine (20) and a permanent magnet electric machine (28), each being coupled by a load shaft (26). The load shaft (26) and core shaft (24) are configured to rotate independently of one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.