Patent · US Expired

Propeller blade tip path plane inclining device

US5259729A · kind A · utility

48Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1992
Grant dateNov 9, 1993
Priority date
Expiry dateMar 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.