公开(公告)号：US11024186B2

公开(公告)日：2021-06-01

申请号：US15343192

申请日：2016-11-03

Applicant: Korea Aerospace Research Institute

Inventor： Sang Man Moon ,  In Kyu Kim

IPC: G08G5/04 ,  B64C39/02 ,  G08G5/00 ,  H04W4/029 ,  B64D45/00

Abstract: Provided is an unmanned aerial vehicle that broadcasts a route and future location information of the unmanned aerial vehicle within preset coverage based on sensing data and current location information of the unmanned aerial vehicle. The unmanned aerial vehicle includes a calculator configured to calculate a predicted route and second location information of the unmanned aerial vehicle corresponding to a preset period of time based on first location information and sensing data; and a transmitter configured to periodically broadcast a first notification signal that includes the first location information, the predicted route, and the second location information.

公开(公告)号：US11002378B2

公开(公告)日：2021-05-11

申请号：US16491665

申请日：2017-09-05

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Joong Youp Lee

IPC: F16K27/02 ,  F16K1/36 ,  F16K31/124 ,  F16K1/42 ,  F15B13/04

Abstract: The present invention provides a valve including: an inlet unit IL; an outlet unit OL perpendicular to the inlet unit; and an opening/closing unit. The opening/closing unit includes: a rod to open or close the discharge port while extending or retracting in the discharge port in a flow direction of the fluid, having a poppet to open or close the discharge port, and having a piston to be pressed by a pilot gas; a body having a guide to accommodate the rod and guide the extension and retraction of the rod, and pressing spaces into which the pilot gas is introduced; and a solenoid valve to supply the pilot gas into the pressing spaces, in which the opening/closing unit has no spring, and in which a diameter of a seat, which comes into contact with the poppet in the outlet unit, is greater than a diameter of the guide.

公开(公告)号：US10883511B2

公开(公告)日：2021-01-05

申请号：US16067456

申请日：2016-12-27

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Tae Choon Park

IPC: F04D29/58 ,  F04D29/00 ,  F02C7/143 ,  F02C3/30 ,  B05B1/02 ,  B05B1/16 ,  F02C6/08 ,  F02C3/06 ,  F02C7/12

Abstract: A technical object of the present invention is to provide an annular injection apparatus for wet compression which enables sprayed droplets to maximally evaporate without being drained as condensate water, thereby reducing compression work of the compressor. To this end, the annular injection apparatus for wet compression according to the present invention is an annular injection apparatus for wet compression which is used for a compressor including a nose cone and a bell mouth in an inlet of a flow path, in which droplets are sprayed to a portion except for portions directed toward the nose cone and the bell mouth.

公开(公告)号：US20200371133A1

公开(公告)日：2020-11-26

申请号：US16640048

申请日：2018-08-17

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Byeong Hee CHANG ,  Young Min PARK ,  Chang Ho LEE

IPC: G01P21/02 ,  G01P5/14 ,  G01P3/42 ,  G01P15/14

Abstract: The present invention relates to: a multi-speed meter capable of measuring a wind speed with a self-correction function, a wind speed measuring method with a self-correction function, and a moving apparatus having a multi-speed meter installed therein, which are installed on a ground-based moving apparatus significantly affected by a wind speed such as a bicycle or motorcycle to measure a wind speed and simultaneously correct a displayed speed. The multi-speed meter capable of measuring a wind speed with a self-correction function includes an absolute speedometer installed on a moving apparatus and measuring an absolute speed, a relative speedometer installed on the moving apparatus and measure a relative speed of the traveling object; and a control unit which receives and outputs the absolute speed and the relative speed respectively measured by the absolute speedometer and the relative speedometer, and outputs a wind speed which is the difference between the absolute speed and the relative speed.

公开(公告)号：US10746869B2

公开(公告)日：2020-08-18

申请号：US16011144

申请日：2018-06-18

Applicant: Korea Aerospace Research Institute

Inventor： Jae Min Shin

IPC: G01S13/90 ,  G01S7/40

Abstract: Disclosed is a calibration method of performing dual radiometric compensation by using an antenna gain pattern of a synthetic aperture radar (SAR) both in a time domain and in a frequency domain. The method may include performing frequency-domain radiometric compensation in relation to an elevation angle and performing time-domain radiometric compensation in relation to a frequency to calibrate the antenna gain pattern.

公开(公告)号：US10737794B2

公开(公告)日：2020-08-11

申请号：US15754356

申请日：2016-08-05

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Seon Ho Lee

IPC: B64D17/80 ,  B64C39/02 ,  B64D17/72

Abstract: A drone according to an embodiment may comprise: a support table; a main unit spaced from the support table and formed above the support table; a connecting portion for connecting the main unit and the support table; and a propulsion unit provided on the outer side of the support table so as to generate thrust. The main unit may have a through-hole formed therein, a parachute may be provided inside the through-hole, and, during a fall, the parachute may be discharged out of the through-hole by deformation of the connecting portion.

公开(公告)号：US10717549B2

公开(公告)日：2020-07-21

申请号：US15786209

申请日：2017-10-17

Applicant: Korea Aerospace Research Institute

Inventor： Joon Min Choi

IPC: B64G1/24 ,  B64G1/22 ,  B64G1/66 ,  B64G1/44 ,  B64G1/56 ,  B64G1/10 ,  B64G1/64

Abstract: A spacecraft for removing space debris is disclosed. The spacecraft includes a satellite bus, a shield member foldable on an outer side face of the satellite bus and disposed facing towards space debris to reduce a movement speed of the space debris, and a support member configured to support the shield member with respect to the satellite bus, in which the shield member includes a central panel configured to overlap one face of the satellite bus, a plurality of first panels connected to peripheral sides of the central panel and radially extended, and a plurality of second panels located between the first panels.

公开(公告)号：US20200169146A1

公开(公告)日：2020-05-28

申请号：US16555384

申请日：2019-08-29

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Keun Bae KIM ,  Bo Hwa LEE

IPC: H02K9/06 ,  F01P3/12 ,  H02K5/20 ,  F01P1/06

Abstract: A power apparatus for integrated cooling includes a housing, a driving section disposed in the housing, a generator disposed in front or in rear of the driving section in the housing to generate electricity by receiving power from the driving section, and a cooling section disposed in front of the generator in the housing to inhale a fluid by receiving the power from the driving section and cool the generator and the driving section, wherein the cooling section is configured to divide the inhaled fluid toward the driving section and the generator to cool the driving section and the generator.

公开(公告)号：US10605305B2

公开(公告)日：2020-03-31

申请号：US16130474

申请日：2018-09-13

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Dae Kwan Kim

IPC: F16C27/06 ,  F16F15/124 ,  F16F1/373 ,  F16F15/12

Abstract: Provided is a vibration reduction device for a bearing, including: a bearing tube (50) which is spaced apart from an outer race of a bearing at a predetermined interval and surrounds the outer race; and a link (100) which is disposed between the outer race and the bearing tube, in which the link includes an outer race connecting portion (120) which is in contact with the outer race, and a tube connecting portion (130) which is in contact with the bearing tube, such that vibration reduction performance is implemented by the bearing tube and the link installed at an outer side of the bearing, and as a result, the vibration reduction device may be applied to various fields in which it is necessary to minimize vibration.

公开(公告)号：US10589853B2

公开(公告)日：2020-03-17

申请号：US15565144

申请日：2015-07-22

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Seon-Ho Lee

IPC: B64C27/52 ,  B64C39/02 ,  F16F15/30 ,  G05D1/00

Abstract: A technical object of the present invention is to provide an unmanned aerial vehicle capable of performing a position movement while maintaining posture stabilization. To this end, the unmanned aerial vehicle of the present invention includes: a main body unit; a plurality of propeller motors of which the rotational speed is adjusted by the main body unit; supports which extend from the main body unit in order to support the plurality of propeller motors; propellers which are axially coupled to the plurality of propeller motors and output thrust; and tilting units which tilt rotating shafts of the propellers with respect to the main body unit.