IP Library Granted Patent US 10,618,676
Granted Patent B2
US 10,618,676 · App. 15/521,892 · Granted Apr 14, 2020

Apparatus and method for launch and recovery of an unmanned aerial vehicle

Inventors: Xujian Chen (Singapore, SG); Leon Choon Seng Tan (Singapore, SG); Chian Poh Lam (Singapore, SG)
Assignee: ST ENGINEERING AEROSPACE LTD.
B64F1/02B64F1/04B64C2201/021B64C2201/08B64C2201/082B64C2201/182
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Quick Facts
Patent No.
US 10,618,676
App. No.
15/521,892
Granted
Apr 14, 2020
Kind
B2
Abstract

An apparatus for launch and recovery of an Unmanned Aerial Vehicle (UAV), a method for launching a UAV, a method for recovering a UAV and a kit of parts for launch and recovery of a UAV. The apparatus comprises a boom having a center member for receiving the UAV, and first and second arm members extending outwardly and upwardly from the center member, wherein the boom is configured to be lifted to a predetermined height into the air from a reference point; and wherein the boom is movable in the air to an operating position forward of the reference point.

Claims (45)

1. An apparatus for launch and recovery of an Unmanned Aerial Vehicle (UAV), the apparatus comprising:

a boom having a center member for receiving the UAV, and first and second arm members extending outwardly and upwardly from the center member;

lifting means attached to the first and second arm members for lifting the UAV to a predetermined height; and

a towline configured to be attached to the boom at one end and to a reference point at the other end for restraining the UAV to the reference point;

wherein the center member comprises a capturing mechanism for aerial recovery of the UAV;

wherein the boom is configured to be lifted to the predetermined height into the air from the reference point; and

wherein the boom is movable in the air to an operating position forward of the reference point.

2. The apparatus as claimed in claim 1 , wherein the center member comprises a releasable fastener for attaching the UAV to the boom and releasing the UAV for aerial launch.

3. The apparatus as claimed in claim 1 , wherein the capturing mechanism comprises a latch configured to receive a line attached to the UAV.

4. The apparatus as claimed in claim 3 , wherein the latch comprises a biasing member configured to retain the line within the latch.

5. The apparatus as claimed in claim 1 , further comprising first and second visual indicators attached to respective ends of the first and second arm members.

6. The apparatus as claimed in claim 5 , wherein each visual indicator is rotatable about the respective end for aligning the visual indicator with a wind direction.

7. The apparatus as claimed in claim 1 , wherein the center member and first and second arm members form a shape selected from a group consisting of a V-shape, a U-shape, a curve, and an arc.

8. The apparatus as claimed in claim 1 , wherein the lifting means comprise lighter-than-air balloons.

9. The apparatus as claimed in claim 1 , further comprising a winch disposed at the reference point for releasing or retracting the towline.

10. A method for recovering a UAV using the apparatus as claimed in claim 1 , the method comprising the steps of:

lifting the boom of the apparatus to the predetermined height;

controlling the UAV to fly toward the boom between the two arm members of the boom; and

capturing the UAV using the boom.

11. The method as claimed in claim 10 , wherein the step of controlling the UAV to fly toward the boom between the two arm members of the boom comprises:

controlling the UAV to fly at a level higher than the boom;

positioning the UAV based on at least one of a Global Positioning System (GPS) signal and a visual indicator.

12. The method as claimed in claim 10 , wherein the step of capturing the UAV using the boom comprises:

releasing a line from the UAV, the line being attached to the UAV at one end;

capturing the line using a capturing mechanism disposed on the boom; and

decelerating the UAV.

13. The method as claimed in claim 12 , wherein the step of releasing the line from the UAV comprises releasing the line having a weight attached to the other end of the line.

14. The method as claimed in claim 13 , wherein the step of decelerating the UAV comprises:

stopping the weight at the capturing mechanism, the UAV being forward of the reference point; and

stopping an engine of the UAV based on a tension in the line connecting the UAV and the weight.

15. The method as claimed in claim 14 , further comprising:

deploying a parachute from the UAV after stopping the engine of the UAV; and

retracting a towline attached to the boom to collect the UAV.

16. A kit of parts for launch and recovery of an UAV, the kit comprising:

the apparatus as claimed in claim 1 ;

lifting means adapted to be attached to the boom of the apparatus; and

a towline adapted to be attached to the boom at one end and to a reference point at the other end.

17. A method for launching a UAV using the apparatus as claimed in claim 1 , the method comprising the steps of:

attaching the UAV to the boom of the apparatus;

lifting the boom to the predetermined height;

starting an engine of the UAV for moving the UAV to the operating position forward of the reference point; and

detaching the UAV from the boom.

18. The method as claimed in claim 17 , wherein the step of lifting the boom to the predetermined height comprises:

attaching lighter-than-air balloons to the boom for lifting the boom into the air;

attaching a towline to the boom for restraining the boom to the reference point.

Assignments (3)
CHANGE OF NAME Recorded Oct 16, 2018
From: SINGAPORE TECHNOLOGIES AEROSPACE LTD
To: ST ENGINEERING AEROSPACE LTD.
Reel/Frame 047240/0342 →
CHANGE OF NAME Recorded Sep 18, 2018
From: SINGAPORE TECHNOLOGIES AEROSPACE LTD
To: ST ENGINEERING AEROSPACE LTD.
Reel/Frame 047100/0163 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2017
From: CHEN, XUJIAN; TAN, LEON CHOON SENG; LAM, CHIAN POH
To: SINGAPORE TECHNOLOGIES AEROSPACE LTD
Reel/Frame 042353/0346 →
Continuity (1)
Related Publication 20170320592A1 · Nov 9, 2017
Cited By (2)
US 12,391,413 US 12,528,584