Propeller module for an aero gas turbine engine
US4728261A · kind A · utility
10Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Oct 1, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C11/32
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propeller module for a gas turbine engine comprising two contra-rotating propellers has a reduction gear positioned axially between the propellers. Pitch change mechanisms are provided to change the pitch of the blades of both propellers independent of the differential speed of the propellers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.