Apparatus and method for controlling engine windmilling
US7621117B2 · kind B2 · utility
28Cited by
19References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2006 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Nov 21, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2220/76
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method are provided for controlling the ground windmilling of at least one of the spools in a gas turbine engine. Electrical power is supplied to a braking apparatus in one aspect. In another aspect, an oil system is powered during ground windmilling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.