Epicyclic gear transmission for rotary wing aircraft
US7507180B2 · kind B2 · utility
15Cited by
9References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2006 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Apr 4, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H1/227
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An epicyclic gear transmission primarily intended for use in rotary wing aircraft that utilizes a plurality of planet gears axially spaced on a planet gear shaft. The planet gear shaft is tilted or inclined at an axis with respect to the center axis of the input shaft or sun gear. In addition, the planet gears may include a shallow angle face gear. The tilted axis planet gears obtain a reduction in size of the transmission and correspondingly reduce the overall weight thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.