公开(公告)号：US20250130091A1

公开(公告)日：2025-04-24

申请号：US18490627

申请日：2023-10-19

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Sung Hyuck IM ,  Kee Joo LEE ,  Jae Sung PARK

IPC: G01F23/284 ,  G01F23/80

Abstract: A method and apparatus for measuring a level for calculating a flow of a propellant tank are provided. The method of measuring a level for calculating a flow of a propellant tank includes, in response to an instruction to measure a level in a propellant tank storing a liquid fuel, generating propagated power for level measurement at a specified generation intensity inside the propellant tank through a transmission antenna, receiving the propagated power for level measurement passing through the liquid fuel through a reception antenna, calculating a degree of attenuation between the generation intensity and a reception intensity of the propagated power for level measurement, and measuring a height level of the liquid fuel by considering the degree of attenuation.

公开(公告)号：US12234005B2

公开(公告)日：2025-02-25

申请号：US17757357

申请日：2020-11-26

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Youngshin Kang ,  Am Cho ,  Bumjin Park ,  Seongwook Choi ,  Sam Ok Koo ,  Chang Sun Yoo ,  Yushin Kim

IPC: B64D31/12 ,  B64C11/30 ,  B64C27/56 ,  B64U50/19

Abstract: Provided is a system for controlling an RPM of a propeller and a rotor of a flight vehicle having multiple power units including: a collective pitch angle command generating unit generating a collective pitch angle command upon receiving a thrust control command from a pilot or an automatic controller; a disturbance factor compensating unit for generating an RPM compensation electronic speed control (ESC) command for compensating for an RPM error, and an electronic speed adjustment command generating unit generating a final ESC command upon receiving a collective command input or derived in the process of generating the collective pitch angle command by the collective pitch angle command generating unit and the RPM compensation ESC command generated by the disturbance factor compensating unit. RPMs of motors of a flight vehicle having a plurality of propellers and rotors may be maintained to be the same.

公开(公告)号：US12227320B2

公开(公告)日：2025-02-18

申请号：US18328394

申请日：2023-06-02

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Sang Cherl Lee ,  Myeong Shin Lee ,  Jung Hyun Lee ,  Hee Seob Kim

IPC: B64U80/10 ,  B64U80/25 ,  B64U80/40 ,  B64U80/70

Abstract: A storage station for unmanned vertical take-off and landing (VTOL) aircrafts includes a storage case (110) for accommodating an unmanned VTOL aircraft therein, a first coupling member (120) having one end pivotably coupled to an inner upper surface of the storage case and the other end protruding out of the storage case by a pivoting operation, and a second coupling member (130) provided at the other end of the first coupling member, in which one end of a main body of the unmanned VTOL aircraft is coupled to the second coupling member, and the second coupling member is rotatable about a rotation axis in a longitudinal direction of the first coupling member, whereby it is possible to provide an advantageous effect of simultaneously storing and charging multiple drones on sides, and it is particularly possible to provide an advantageous effect of charging and storing a large number of drones used in swarm flight technology, which has recently become increasingly useful.

公开(公告)号：US12179944B2

公开(公告)日：2024-12-31

申请号：US17275372

申请日：2019-04-04

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Ok Chul Jung ,  Jae Dong Seong ,  Dea Won Chung

IPC: B64G3/00 ,  B64G1/24 ,  B64G7/00

Abstract: The present invention relates to an apparatus and a method for simulating a satellite mission operating state. The apparatus, according to the present invention, comprises: a satellite operation procedure rule definition unit for registering a satellite operation procedure rule which defines a satellite operation procedure keyword and attribute corresponding to a satellite's state of performing a mission of interest; a satellite operation procedure processing unit for receiving a satellite operation procedure which includes a series of operation procedures prepared for the satellite to perform the mission, and extracting, from the received satellite operation procedure, a keyword and attribute value corresponding to the keyword and attribute included in the registered satellite operation procedure rule a mission list storage unit for storing a list of mission performance actions arranged in the order of execution time, wherein the mission performance actions correspond to the extracted keyword and attribute value; an orbit data storage unit for storing orbit data of the satellite; a time management unit for providing a current time; and a control unit for confirming an orbit and the mission performance action corresponding to the current time from the orbit data of the satellite and the mission list, and causing the satellite's state of performing the mission of interest to be visually displayed.

公开(公告)号：US12163541B2

公开(公告)日：2024-12-10

申请号：US18477685

申请日：2023-09-29

Applicant: Korea Aerospace Research Institute

Inventor： Chun Taek Kim

IPC: F28F13/00 ,  F15D1/02 ,  F28F13/06 ,  F28F13/08

Abstract: Provided is a heat exchanger heat transfer enhancement device, and in particular, to a heat exchanger heat transfer enhancement device by allowing a fluid flowing into a heat exchanger to form a uniform flow field. A flow distribution device is disposed at an inlet of a pipe through which a fluid is introduced, and the flow distribution device includes a plurality of holes formed on a circumferential surface and an end portion to distribute the fluid to the center and the periphery. Also, a flange is formed at one end and coupled between the pipe and a diffusion portion. The distributed fluid passes through a heat exchanger, and here, one or more screens are disposed to make a flow field of the fluid more uniform.

公开(公告)号：US12071261B2

公开(公告)日：2024-08-27

申请号：US17991338

申请日：2022-11-21

Applicant: Korea Aerospace Research Institute

Inventor： Sung Yug Kim

IPC: B64F1/22 ,  B64C39/02 ,  B64C29/00 ,  B64U10/13 ,  B64U70/00

CPC classification number: B64F1/22 ,  B64C39/024 ,  B64C29/0008 ,  B64C39/02 ,  B64U10/13 ,  B64U70/00

Abstract: A drone docking/landing system includes: a docking portion having a shape of any one of a polygonal pyramid, a truncated polygonal pyramid, a cone, and a truncated cone and being capable of docking a drone; and a landing portion mounted at a lower portion of the drone, having a lower portion that is open, into which the docking portion is inserted, and having an empty inner space, wherein the landing portion has a shape of any one of a polygonal pyramid, a truncated polygonal pyramid, a cone, and a truncated cone, wherein the shape corresponds to the shape of the docking portion so that the docking portion is inserted into the landing portion.

公开(公告)号：US20240176044A1

公开(公告)日：2024-05-30

申请号：US18523758

申请日：2023-11-29

Applicant: Korea Aerospace Research Institute

Inventor： OKCHUL JUNG ,  YOUEYUN JUNG ,  JAEDONG SEONG ,  SAEHAN SONG ,  MYEONGSHIN LEE ,  DAEWON CHUNG

IPC: G01V20/00

CPC classification number: G01V20/00

Abstract: A space digital twin device and a space digital twin method are disclosed. The space digital twin device includes a digital twin unit configured to simulate a space system as a twin space system, a digital control unit configured to transplant control for the space system to control for the twin space system, and a digital output unit configured to visualize a content generated according to the control for the twin space system.

公开(公告)号：US20240162614A1

公开(公告)日：2024-05-16

申请号：US18509191

申请日：2023-11-14

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： ILLKYUNG PARK ,  JAE WON CHANG

IPC: H01Q9/04 ,  H01Q1/22

CPC classification number: H01Q9/0407 ,  H01Q1/22

Abstract: Provided is an antenna integrated structure in which an antenna is inserted into ground vehicle, marine ship and aircraft structure, and more particularly, a sandwich panel type antenna integrated latticecore having a structure for improving communication performance of an antenna module.

公开(公告)号：US20240092484A1

公开(公告)日：2024-03-21

申请号：US18450097

申请日：2023-08-15

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Jun Ho CHO ,  Myeong Kyu LEE ,  Seong Wook CHOI

IPC: B64C29/00 ,  B64C13/30 ,  B64C13/34

CPC classification number: B64C29/0033 ,  B64C13/30 ,  B64C13/34

Abstract: A tilt prop aircraft is provided, including a first longeron and a second longeron capable of tilting relatively to each other, a tilt actuator disposed on the second longeron, a first power transmission member rotated by the tilt actuator, a second power transmission member fixed to the first longeron and coupled to the first power transmission member to transmit a rotational movement of the first power transmission member by turning 90 degrees in different planes, a crank fixed to the second longeron and extending through a slot in the first longeron and protruding inwardly from the first longeron, and a connecting rod connected to the crank so as to be relatively rotatable to the crank, and connected to the pitch control rod.

公开(公告)号：US11926441B2

公开(公告)日：2024-03-12

申请号：US17555848

申请日：2021-12-20

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Sung Hyuck Im ,  Jun Seong Lee ,  Kee Joo Lee ,  Jae Sung Park

IPC: B64G1/28 ,  B64G1/00 ,  B64G1/10 ,  B64G1/24

CPC classification number: B64G1/285 ,  B64G1/002 ,  B64G1/10 ,  B64G1/242

Abstract: An orbit transition apparatus that transitions an orbit of a payload in outer space includes a rotating body, an adapter disposed on a center part of the rotating body for docking a payload, a launch module disposed outside of the rotating body for launching the payload, and a thruster for rotating the rotating body. The launch module may launch the payload to a target orbit.