Variable pitch propeller control system
US11364990B2 · kind B2 · utility
1Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2018 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Oct 16, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C11/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The variable pitch propeller control system can have a source of adjustable, actuation hydraulic pressure, a feather valve openable to provide an actuation path of the actuation hydraulic pressure between the source and the actuator, and closeable to connect the actuator to a drain below the actuation hydraulic pressure and close the actuator path, and a bypass path parallel to the actuator path, the bypass path having a restricted flow area relative to a flow area of the actuator path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.