B64U30/293

FOLDABLE ROTOR BLADE ASSEMBLY AND AERIAL VEHICLE WITH A FOLDABLE ROTOR BLADE ASSEMBLY
20200324874 · 2020-10-15 ·

An unmanned aerial vehicle includes a fuselage body, a foldable wing assembly and a gear assembly. The foldable wing assembly, including a pair of opposing wing members, is coupled to the fuselage body and positionable in a stowed position and a deployed position. The gear assembly positions the wing members in a stowed position and a deployed position and include a support bracket assembly and a pair of opposing hinge members. The support bracket assembly is coupled to the fuselage body and including first and second support brackets forming a cavity therebetween and a pair of opposing hinge members. The pair of opposing hinge members are pivotably coupled to the support bracket assembly and positioned within the cavity. Each hinge member is coupled to a corresponding wing member and includes a set of gear teeth extending outwardly from an arcuate radially outer surface and coupled in a meshed arrangement.

Collapsible flying device

A collapsible flying device is provided having a housing including first and second housing sections forming an enclosure, and a motorized assembly that includes a drive motor and a drive shaft driven by the drive motor. The drive shaft matingly receives the first housing section and is coupled to the second housing section, wherein operation of the drive motor drives the drive shaft to move the first housing section from a closed position adjacent the second housing section to an open position spaced from the second housing section. A rotor hub is rotatingly driven by the drive motor. At least two rotor blades are coupled thereto and positioned within the enclosure in a collapsed position when the first housing section is in the closed position, and extend beyond the enclosure in an expanded position when the first housing section is in the open position.

FOLDING PROPELLER, POWER COMPONENT AND UNMANNED AERIAL VEHICLE
20200317325 · 2020-10-08 ·

Embodiments of the present application relate to the technical field of propellers, and particularly to a folding propeller, a power component and an unmanned aerial vehicle. The folding propeller includes a hub, at least two blades and at least two connecting pieces, the hub being configured to mount the folding propeller to a driving device. The hub includes a first surface and a second surface disposed oppositely, the first surface facing the driving device, and the second surface facing away from the driving device. Each of the blades is mounted on the second surface by the corresponding connecting piece, and each of the blades is capable of rotating relative to the hub. In the above manner, according to the embodiments of the present application, during mold adjustment in injection molding, a rotary damping between the blade and the hub can be adjusted by only adjusting the friction force of one contact surface, which is convenient for mold adjustment, is beneficial to mass production and reduces the production cost.

FOLDABLE UNMANNED AERIAL VEHICLE
20200317318 · 2020-10-08 ·

An unmanned aerial vehicle includes a central body having a plurality of sides and a plurality of arms extendable from the central body. Each arm is configured to support one or more propulsion assemblies that provide a propulsion force while the unmanned aerial vehicle is in flight. The arms are configured to transform between a flight configuration in which the arms are extended away from the central body and a compact configuration in which free ends of a first subset of the arms collectively define a rectangular area. Free ends of a second subset of the arms are closer to a yaw-axis of the unmanned aerial vehicle than the free ends of the first subset of the arms. The yaw-axis passes through the rectangular area.

Vertically oriented tube-launchable rotary wing aircraft having respective rotors at opposite ends of main body

An expendable rotary wing unmanned aircraft capable of storage in a cylindrical housing includes a longitudinally extending body having an upper end and a lower end; and a pair of counter-rotating coaxial rotors each located at respective ends of longitudinally-extending body, wherein each rotor includes two or more blades, each blade rotatably coupled to a remainder of the rotor at a hinged joint and thereby extending along a length of the body in a storage configuration and extending radially outward from the body in a flight configuration.

ELEVON CONTROL SYSTEM

A system comprising an aerial vehicle or an unmanned aerial vehicle (UAV) configured to control pitch, roll, and/or yaw via airfoils having resiliently mounted trailing edges opposed by fuselage-house deflecting actuator horns. Embodiments include one or more rudder elements which may be rotatably attached and actuated by an effector member disposed within the fuselage housing and extendible in part to engage the one or more rudder elements.

DAMPING DEVICE, GIMBAL ASSEMBLY HAVING SAME, AND UNMANNED AERIAL VEHICLE
20200307826 · 2020-10-01 ·

A UAV includes a body, an arm connected to the body, and a gimbal assembly. The gimbal assembly includes a gimbal, a load carried by the gimbal, and a damping device connecting the gimbal to the body. The damping device includes a connection shaft configured to pass through the body, and a first shock-absorbing structure and a second shock-absorbing structure disposed at two ends of the connection shaft, respectively. The first shock-absorbing structure is connected to the body or the arm. The second shock-absorbing structure is connected to the body. One of the first shock-absorbing structure and the second shock-absorbing structure is connected to the gimbal.

Compact Transformable Robot

The invention pertains to the development of a unique and small transformable robot that will fit into very small pipes, openings, or packing tubes, thereby enabling complex missions and also which can fly and drive. Other advantages of the system include portability, weight, perch, and stare capabilities. The present invention comprises a compact transformable robot capable of flying and driving designed to furl or fit into small openings, containers, packing tubes, or pipes containing a thrust, a main body, controls, and rotating propellers. The compact transformable robot capable of flying and driving that is designed to furl or fit into small openings, containers, or pipes comprises a ground locomotion, an aerial locomotion, controls, sensors, and a radio.

SYSTEMS AND METHODS FOR AN ORIGAMI-INSPIRED FOLDABLE QUAD-ROTOR

Various embodiments for a foldable quad-rotor (FQR) inspired by an origami mechanism are disclosed herein. The FQR can fold its arms during flight to enable aggressive turning maneuvers and operations in cluttered environments. A dynamic model of folding is built for this system with the collected data, and a feedback controller is designed to control the position and orientation of the FQR. Lyapunov stability analysis is conducted to show that the system is stable during arm folding and extension, and motion planning of the FQR is achieved based on a modified minimum-snap trajectory generation method.

Aerial vehicle with enhanced pitch control and interchangeable components
10787255 · 2020-09-29 · ·

An aircraft capable of vertical take-off and landing comprises a fuselage, at least one processor carried by the fuselage and a pair of aerodynamic, lift-generating wings extending from the fuselage. A plurality of vectoring rotors are rotatably carried by the fuselage so as to be rotatable between a substantially vertical configuration relative to the fuselage for vertical take-off and landing and a substantially horizontal configuration relative to the fuselage for horizontal flight. The vectoring rotors are unsupported by the first pair of wings. The wings may be modular and removably connected to the fuselage and configured to be interchangeable with an alternate pair of wings. A cargo container may be secured to the underside of the fuselage, and the cargo container may be modular and interchangeable with an alternate cargo container.