Patent number: 10906664
Abstract: Multi-rotor aerial vehicle (1, 1?, 1?, 1??, 1??, 1???, 1???) comprising, at least a first, second and third rotor 10, 20, 30, each rotatable by a dedicated first second and third hydraulic motor 11, 21, 31, a power unit 2, at least a first, second and third hydraulic pump 12, 22, 32 dedicated to the respective first, second and third hydraulic motor 11, 21, 31, wherein each hydraulic pump 12, 22, 32 is arranged to provide pressurized fluid to each hydraulic motor 11, 21, 31 for powering the hydraulic motor 11, 21, 31 and thereby rotating the respective rotor 10, 20, 30, a control unit 6 for controlling the operation of the multi-rotor aerial vehicle (1, 1?, 1?, 1??, 1??, 1???, 1???), wherein the control of the multi-rotor aerial vehicle (1, 1?, 1?, 1??, 1??, 1???, 1???) is arranged to be performed by altering the flow of pressurized fluid distributed to each respective hydraulic motor 11, 21, 31, wherein, wherein the flow of pressurized fluid provided to each hydraulic motor 11, 21, 31 is individually control
Type:
Grant
Filed:
October 28, 2015
Date of Patent:
February 2, 2021
Assignee:
ACC INNOVATION AB
Inventor:
Anders Ljung
Publication number: 20180016022
Abstract: Multi-rotor aerial vehicle (1, 1?, 1?, 1??, 1??, 1???, 1???) comprising, at least a first, second and third rotor 10, 20, 30, each rotatable by a dedicated first second and third hydraulic motor 11, 21, 31, a power unit 2, at least a first, second and third hydraulic pump 12, 22, 32 dedicated to the respective first, second and third hydraulic motor 11, 21, 31, wherein each hydraulic pump 12, 22, 32 is arranged to provide pressurized fluid to each hydraulic motor 11, 21, 31 for powering the hydraulic motor 11, 21, 31 and thereby rotating the respective rotor 10, 20, 30, a control unit 6 for controlling the operation of the multi-rotor aerial vehicle (1, 1?, 1?, 1??, 1??, 1???, 1???), wherein the control of the multi-rotor aerial vehicle (1, 1?, 1?, 1??, 1??, 1???, 1???) is arranged to be performed by altering the flow of pressurized fluid distributed to each respective hydraulic motor 11, 21, 31, wherein, wherein the flow of pressurized fluid provided to each hydraulic motor 11, 21, 31 is individually control
Type:
Application
Filed:
October 28, 2015
Publication date:
January 18, 2018
Inventor:
Anders Ljung