Tilting transmission gearbox comprising a pivoting connection with plain bearings
US7137786B2 · kind B2 · utility
1Cited by
3References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 29, 2002 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Apr 2, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/28
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A transmission gearbox (1) has a casing (2) that tilts around a tilting axis (B—B) via two bearings (19). Each of the bearings includes: a fixed part (20) having a sleeve (20a); and a trunnion (21a) which belongs to a pivoting part (21) and which pivots around the sleeve, the pivoting part being solidly connected to the casing (2). A shouldered wear ring (22) is disposed between the sleeve (20a) and the trunnion (21a) of each bearing (19). The invention is suitable for use in the pivot mounting of a power transmission gearbox (1) that is used to rotate the tilting rotor (14) of a convertible aircraft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.