Electric pitch control apparatus for variable pitch propeller capable of controlling the pitch angle based instantaneous operational conditions of the propeller
US5284418A · kind A · utility
32Cited by
12References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1992 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Jul 28, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C11/44
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric pitch control apparatus for a variable-pitch propeller capable of properly controlling the pitch angle of the propeller blade in accordance with instantaneous operational conditions of the propeller and of effecting adjustment of the pitch angle of the propeller blade without any delay of a time in response to operation of the engine output lever for promptly coinciding an actual rotational number of the prime engine with a target rotational number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.