Propeller blade tip path plane inclining device
US5259729A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1992 |
| Grant date | Nov 9, 1993 |
| Priority date | — |
| Expiry date | Mar 24, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H27/12
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A propeller blade tip path plane-inclining device which is provided with a fuselage, a propeller including a center piece rotating unitary with a rotation shaft in association therewith and a plurality of blades extending substantially horizontally from the center piece and differing the variation in pitch during the rotation thereof from one another, a motor for driving the propeller for rotation, a position detector for detecting the position of the propeller in the propeller rotation plane, and a control device for controlling the motor in accordance with an output signal of the position detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.