[특허]Guidance device

BAE SYSTEMS plc

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Guidance device

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-010/14 F42B-010/62 F42B-010/00
미국특허분류(USC)	244/003.21; 244/003.1; 244/003.15; 244/003.24; 089/001.1; 089/001.11; 102/501
출원번호	US-0508633 (2010-11-11)
등록번호	US-8674277 (2014-03-18)
우선권정보	EP-09252614 (2009-11-13); GB-0919965.4 (2009-11-13)
국제출원번호	PCT/GB2010/051879 (2010-11-11)
§371/§102 date	20120508 (20120508)
국제공개번호	WO2011/058359 (2011-05-19)
발명자 / 주소	Axford, Richard Desmond Joseph Beggs, Kevin William
출원인 / 주소	BAE SYSTEMS plc
대리인 / 주소	Scully, Scott, Murphy & Presser, PC
인용정보	피인용 횟수 : 5 인용 특허 : 15

초록
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There is disclosed a collar (100) which may be attached to a munition in order to control the trajectory of the munition. The collar (100) has a collar body (10); a surface (12) for capturing the projectile as it leaves the barrel; a sill (14) for supporting the surface (12) at the muzzle of the barrel; and a guidance means (20a, 20b, 21a, 21b) for altering the flow of air around the collar (100). The collar (100) supports itself at the muzzle and may attach to the projectile at the surface (12) to integrate with the projectile as the projectile is fired...

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1. A guidance device for guiding the trajectory of a projectile during flight, the device comprising: a collar having a collar body configured to be located at a muzzle of a projectile barrel prior to launch and having an internal profile which cooperates with an outer surface of the projectile when the projectile is launched through the muzzle so that the collar is attached to the projectile during flight;the collar having guidance means comprising at least one adjustable control surface for controlling the trajectory of the projectile during flight, adjustment of said control surface being responsive to guidance signals received from a guidance control. 2. A guidance device as claimed in claim 1, wherein the internal profile of the collar is configured to engage with a rim of the projectile barrel so that the collar is located in position to cooperate with the projectile on launch. 3. A guidance device as claimed in claim 1, wherein said at least one guidance surface is pivotally mounted to the collar to allow adjustment of said surface relative to the collar. 4. A guidance device as claimed in claim 1, comprising an actuator for adjusting the control surface in response to said guidance signals. 5. A guidance device as claimed in claim 1, wherein the guidance control comprise at least one sensor for sensing a trajectory of the projectile during flight, and a processor for comparing the sensed trajectory with a predicted trajectory and outputting guidance signals for correcting the trajectory of the projectile so that it corresponds with the predicted trajectory. 6. A guidance device as claimed in claim 5, wherein the guidance control comprises a memory for a storing the predicted trajectory of the projectile. 7. A guidance device as claimed in claim 6, wherein the at least one sensor is configured for determining the trajectory of the projectile during an initial period after launch and outputting said determined trajectory for storing by the memory as the predicted trajectory. 8. A guidance device as claimed in claim 1, wherein said at least one control surface comprises a pair of canards, each canard comprising a pivot joint connecting the canard to the collar body, wherein the actuator is a ring actuator which connects to the canards so as to be able to alter the configuration of the control surface by rotating the canards about their pivots. 9. A guidance device as claimed in claim 8, wherein the pivot joint connecting each of the canards to the collar body, is connected forwards of the centre of pressure of the canard. 10. A guidance device as claimed in claim 9, wherein each canard is connected to the ring actuator at a point on the canard towards or at the trailing edge of the canard. 11. A guidance device as claimed in claim 1, wherein the internal profile of the collar body comprises a surface which tapers outwardly towards a trailing edge for forming an interference fit with the projectile thereby attaching the device to the projectile. 12. A guidance device as claimed in claim 1, wherein the internal profile of the collar body comprises a sill which supports collar on the rim of the projectile barrel so that the axis defined by the internal profile is generally collinear with the axis defined by the barrel. 13. A projectile launch and guidance system, comprising: a projectile;a projectile barrel for launching the projectile; anda guidance device for guiding the trajectory of a projectile during flight,the device comprising:a collar having a collar body configured to be located at a muzzle of a projectile barrel prior to launch and having an internal profile which cooperates with an outer surface of the projectile when the projectile is launched through the muzzle so that the collar is attached to the projectile during flight;the collar having guidance means comprising at least one adjustable control surface for controlling the trajectory of the projectile during flight, adjustment of said control surface being responsive to guidance signals received from a guidance control. 14. A method of guiding a passive projectile, the method comprising: locating a guidance device comprising a collar at a muzzle of a projectile barrel;launching a projectile from the barrel;engaging an internal profile of the collar with an external surface of the projectile when the projectile is launched through the muzzle so that the collar is attached to the projectile during flight;the collar having guidance means comprising at least one adjustable control surface for controlling the trajectory of the projectile during flight, the method further comprising adjusting said control surface in response to guidance signals for correcting the trajectory of the projectile.

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이 특허를 인용한 특허 피인용횟수: 5

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Guidance device

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Guidance device

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이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 5

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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