# US 12,110,138 B2 · Trans-media unmanned aerial vehicle device and control method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,110,138 B2 - Document ID: US12110138B2 - Status: Granted - Kind: B2 - Application number: 17/778,911 - Filed: 2021-06-04 - Published: 2024-01-18 - Granted: 2024-10-08 - Earliest claimed: 2021-04-23 - Assignees: Nanjing University of Aeronautics and Astronautics - Applicants: Nanjing University of Aeronautics and Astronautics - Inventors: Feng Deng; Xiaoyuan Sun - Web page: https://patentgrep.com/patent/US12110138B2 ## CPC - B64U 20/50: Foldable or collapsible UAVs (with frangible components B64U20/30) - B64C 39/024: {of the remote controlled vehicle type, i.e. RPV} - B64U 10/10: Rotorcrafts - B64U 10/13: Flying platforms - B64U 20/75: the body formed by joined shells or by a shell overlaying a chassis - B64U 30/20: Rotors; Rotor supports - B64U 50/19: using electrically powered motors - B64U 70/00: Launching, take-off or landing arrangements - B64U 2101/00: UAVs specially adapted for particular uses or applications - B64U 2101/30: for imaging, photography or videography - B64U: UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR - B64C: AEROPLANES; HELICOPTERS ## Abstract The present disclosure discloses a trans-media unmanned aerial vehicle device and a control method thereof. The trans-media unmanned aerial vehicle device includes a housing, and a piston which is arranged in the housing and is capable of moving in a reciprocating manner in the housing; one end of the housing is provided with an opening; several flying wings are uniformly arranged in a circumferential direction of the piston; the flying wings are rotatably connected to a side of the piston facing the opening and are spread or retracted like an umbrella; and under the pushing of the piston, the flying wings can be spread to the outside of the housing and retracted back into the housing. ## Claims ### Claim 1 A trans-media unmanned aerial vehicle device, comprising: a housing, and a piston arranged in the housing and capable of reciprocating in the housing, wherein one end of the housing is provided with an opening; several flying wings are uniformly arranged in a circumferential direction of the piston; the flying wings are rotatably connected to a side of the piston facing the opening and configured to spread or retract; and under the pushing of the piston, the flying wings spread to an outside of the housing and retract back into the housing upon release of the piston, wherein the piston comprises a piston head, a piston tail, and a piston rod for connecting the piston head to the piston tail; and the piston tail is located outside the housing and is capable of closing the housing. ### Claim 2 (depends on 1) The trans-media unmanned aerial vehicle device of claim 1, wherein after the housing and the piston tail are buckled, the whole is formed into a spindle shape; the piston head is of a hollow structure; and a mass of the piston tail is greater than that of the piston head. ### Claim 3 (depends on 2) The trans-media unmanned aerial vehicle device of claim 2, wherein the piston tail has an adjustable density. ### Claim 4 (depends on 1) The trans-media unmanned aerial vehicle device of claim 1, wherein each flying wing comprises a rotating rod, and a rotor blade arranged at a free end of the rotating rod; and the rotating rod is provided with a magnetic structure that attracts the rotor blade. ### Claim 5 (depends on 1) The trans-media unmanned aerial vehicle device of claim 1, wherein each flying wing comprises a rotating rod, and a rotor blade arranged at a free end of the rotating rod; and the rotating rod is provided with a magnetic structure that attracts the rotor blade. ### Claim 6 (depends on 2) The trans-media unmanned aerial vehicle device of claim 2, wherein each flying wing comprises a rotating rod, and a rotor blade arranged at a free end of the rotating rod; and the rotating rod is provided with a magnetic structure that attracts the rotor blade. ### Claim 7 (depends on 3) The trans-media unmanned aerial vehicle device of claim 3, wherein each flying wing comprises a rotating rod, and a rotor blade arranged at a free end of the rotating rod; and the rotating rod is provided with a magnetic structure that attracts the rotor blade. ### Claim 8 (depends on 4) The trans-media unmanned aerial vehicle device of claim 4, wherein a mounting slot is formed in the piston head; the mounting slot has an axial limiting wall and a radial limiting wall; and the rotating rod is hinged in the mounting slot. ### Claim 9 (depends on 5) The trans-media unmanned aerial vehicle device of claim 5, wherein a mounting slot is formed in the piston head; the mounting slot has an axial limiting wall and a radial limiting wall; and the rotating rod is hinged in the mounting slot. ### Claim 10 (depends on 6) The trans-media unmanned aerial vehicle device of claim 6, wherein a mounting slot is formed in the piston head; the mounting slot has an axial limiting wall and a radial limiting wall; and the rotating rod is hinged in the mounting slot. ### Claim 11 (depends on 7) The trans-media unmanned aerial vehicle device of claim 7, wherein a mounting slot is formed in the piston head; the mounting slot has an axial limiting wall and a radial limiting wall; and the rotating rod is hinged in the mounting slot. ### Claim 12 (depends on 4) The trans-media unmanned aerial vehicle device of claim 4, wherein four rotating rods are provided which are distributed in a cross shape. ### Claim 13 (depends on 5) The trans-media unmanned aerial vehicle device of claim 5, wherein four rotating rods are provided which are distributed in a cross shape. ### Claim 14 (depends on 6) The trans-media unmanned aerial vehicle device of claim 6, wherein four rotating rods are provided which are distributed in a cross shape. ### Claim 15 (depends on 7) The trans-media unmanned aerial vehicle device of claim 7, wherein four rotating rods are provided which are distributed in a cross shape. ### Claim 16 (depends on 4) The trans-media unmanned aerial vehicle device of claim 4, wherein the piston is connected with a power unit; the power unit comprises a piston aeroengine and a hydraulic system driven by the piston aeroengine; and the hydraulic system is controlled to push the piston to move. ### Claim 17 (depends on 5) The trans-media unmanned aerial vehicle device of claim 5, wherein the piston is connected with a power unit; the power unit comprises a piston aeroengine and a hydraulic system driven by the piston aeroengine; and the hydraulic system is controlled to push the piston to move. ### Claim 18 A method for operating a trans-media unmanned aerial vehicle device, comprising: launching an unmanned aerial vehicle device from water toward air, the unmanned aerial vehicle device comprising: a housing, and a piston arranged in the housing and capable of reciprocating in the housing, wherein one end of the housing is provided with an opening; several flying wings are uniformly arranged in a circumferential direction of the piston; the flying wings are rotatably connected to a side of the piston facing the opening and configured to spread or retract; and under the pushing of the piston, the flying wings spread to an outside of the housing and retract back into the housing upon release of the piston, wherein the piston comprises a piston head, a piston tail, and a piston rod for connecting the piston head to the piston tail; and the piston tail is located outside the housing and is capable of closing the housing, wherein: when the unmanned aerial vehicle device rises to a certain height, the piston moves towards the outside of the housing relative to the housing, and the flying wings extend out of the housing and are spread; when entering the water, the flying wings are downwards retracted, and the piston moves towards the inside of the housing relative to the housing; the flying wings are retracted into the housing; and the unmanned aerial vehicle device freely falls into the water. ### Claim 19 (depends on 18) The method of claim 18, wherein when leaving the water, the unmanned aerial vehicle device is launched out of the water in a vertical state; and when entering the water, the unmanned aerial vehicle device falls into the water in the vertical state.