Patent · US Active

Multi-rotor hydraulic drone

US12091172B2 · kind B2 · utility

0Cited by
7References
17Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 17, 2020
Grant dateSep 17, 2024
Priority date
Expiry dateJun 6, 2041

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Multi-rotor hydraulic drone (1) comprising: —a plurality of hydraulic motors (6) each receiving a pressurised fluid, —propellers (5) driven by the hydraulic motors (6), —at least one hydraulic pump (10) driven by at least one motor (11) for pressurising the fluid, —a system for supplying the hydraulic motors (6) with pressurised fluid, —a flight controller (14) for controlling the supply system according to the desired rotation speed for the hydraulic motors (6), the supply system comprising several channels (35; 36; 37; 38) for adjusting the power of at least one portion of the hydraulic motors (6).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.