Turbojet engine accessory gear box driveshaft; modular additional accessory
US8042341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2007 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Aug 22, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An accessory gear box driveshaft in a turbojet engine with intermediate casing, designed to be mounted in a radial arm of the intermediate casing is disclosed. The shaft is mechanically connected, at a first end, to a an engine shaft of the turbojet engine, and is mechanically connected, at a second end, to a gear box. The shaft includes a bevel gear between the two ends, to provide mechanical transmission to an additional accessory. This shaft is notable in that, together with the gear, it is contained in a case forming an oil circuit sealed against the arm. The accessory includes a drive shaft collaborating with the gear of the transmission shaft and forming a modular assembly therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.