Programmable reverse thrust detent system and method
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01C-023/00
F02K-001/76
B64D-031/04
G05D-001/00
출원번호
US-0191197
(2008-08-13)
등록번호
US-9043050
(2015-05-26)
발명자
/ 주소
Goodman, William L.
Imrich, Thomas
출원인 / 주소
The Boeing Company
대리인 / 주소
Parsons Behle & Latimer
인용정보
피인용 횟수 :
1인용 특허 :
16
초록▼
A reverse thrust detent system for an aircraft includes a throttle quadrant having an intermediate reverse thrust detent position, a reverse thrust scheduling system interfacing with the throttle quadrant, at least one aircraft engine interfacing with the reverse thrust scheduling system and a progr
A reverse thrust detent system for an aircraft includes a throttle quadrant having an intermediate reverse thrust detent position, a reverse thrust scheduling system interfacing with the throttle quadrant, at least one aircraft engine interfacing with the reverse thrust scheduling system and a programmable input interfacing with the reverse thrust scheduling system and adapted to receive an engine reverse thrust setting. The reverse thrust scheduling system is adapted to operate the at least one aircraft engine according to the engine reverse thrust setting responsive to actuation of the intermediate reverse thrust detent position of the throttle quadrant. A reverse thrust detent method for an aircraft is also disclosed.
대표청구항▼
1. A reverse thrust detent system for an aircraft having aircraft performance parameters and landing parameters, comprising: a throttle quadrant having an adjustable detent at an intermediate reverse thrust detent position;a reverse thrust scheduling system interfacing with said throttle quadrant an
1. A reverse thrust detent system for an aircraft having aircraft performance parameters and landing parameters, comprising: a throttle quadrant having an adjustable detent at an intermediate reverse thrust detent position;a reverse thrust scheduling system interfacing with said throttle quadrant and with a brake activation system;at least one aircraft engine interfacing with said reverse thrust scheduling system;a programmable input interfacing with said reverse thrust scheduling system and adapted to receive an engine reverse thrust setting; andwherein said reverse thrust scheduling system is adapted to operate said at least one aircraft engine in an intermediate reverse thrust mode, the reverse thrust of which has a magnitude that is pre-programmed into the programmable input for the reverse thrust detent position based upon the aircraft performance parameters and the landing parameters, and is selected by the reverse thrust scheduling system in conjunction with operation of the brake activation system, to slow the aircraft according to a defined rollout distance setting. 2. The reverse thrust detent system of claim 1 wherein said throttle quadrant comprises a base, at least one lever slot provided in said base and at least one movable throttle control lever movable in said at least one lever slot. 3. The reverse thrust detent system of claim 2 wherein said at least one movable throttle control lever comprises at least one lever shaft movable in said at least one lever slot and a lever handle carried by said at least one lever shaft. 4. The reverse thrust detent system of claim 3 further comprising a detent mechanism provided in said base and adapted to engage said at least one lever shaft at said intermediate reverse thrust detent position. 5. The reverse thrust detent system of claim 1 wherein said throttle quadrant further comprises an IDLE reverse thrust position and a MAX reverse thrust position and wherein said intermediate reverse thrust detent position is between said IDLE reverse thrust position and said MAX reverse thrust position. 6. The reverse thrust detent system of claim 1 wherein said at least one aircraft engine comprises a plurality of aircraft engines. 7. The reverse thrust detent system of claim 6 wherein said reverse thrust scheduling system is adapted to selectively facilitate asymmetric reverse thrust of said plurality of aircraft engines. 8. The reverse thrust detent system of claim 1 further comprising an onboard flight computer and wherein said throttle quadrant, said reverse thrust scheduling system and said programmable input are connected to said onboard flight computer. 9. A reverse thrust detent system for an aircraft, comprising: an onboard flight computer, provided with aircraft performance parameters and landing parameters for the aircraft;an autobrake control system, interfacing with said onboard flight computer;a brake activation system interfacing with said autobrake control system;a control interface for said autobrake control system interfacing with said onboard flight computer;a throttle quadrant having an adjustable detent at an intermediate reverse thrust detent position interfacing with said onboard flight computer;a reverse thrust scheduling system interfacing with said throttle quadrant through said onboard flight computer;at least one aircraft engine interfacing with said reverse thrust scheduling system through said onboard flight computer; anda programmable input interfacing with said reverse thrust scheduling system through said onboard flight computer and adapted to receive an engine reverse thrust setting;wherein the onboard flight computer is configured to cause the autobrake control system to operate the brake activation system of the aircraft according to the aircraft performance parameters and the landing parameters, and said reverse thrust scheduling system is adapted to concurrently operate said at least one aircraft engine in an intermediate reverse thrust mode, the reverse thrust of which has a magnitude that is selected by the onboard flight computer in view of performance of the brake activation system to slow the aircraft according to a defined rollout distance setting. 10. The reverse thrust detent system of claim 9 wherein said throttle quadrant comprises a base, at least one lever slot provided in said base and at least one movable throttle control lever movable in said at least one lever slot. 11. The reverse thrust detent system of claim 10 wherein said at least one movable throttle control lever comprises at least one lever shaft movable in said at least one lever slot and a lever handle carried by said at least one lever shaft. 12. The reverse thrust detent system of claim 11 further comprising a detent mechanism provided in said base and adapted to engage said at least one lever shaft at said intermediate reverse thrust detent position. 13. The reverse thrust detent system of claim 9 wherein said throttle quadrant further comprises an IDLE reverse thrust position and a MAX reverse thrust position and wherein said intermediate reverse thrust detent position is between said IDLE reverse thrust position and said MAX reverse thrust position. 14. The reverse thrust detent system of claim 9 wherein said at least one aircraft engine comprises a plurality of aircraft engines. 15. The reverse thrust detent system of claim 14 wherein said reverse thrust scheduling system is adapted to selectively facilitate asymmetric reverse thrust of said plurality of aircraft engines. 16. A reverse thrust detent method for an aircraft having aircraft performance parameters and landing parameters and at least one aircraft engine, comprising: providing a throttle quadrant for the aircraft;providing an adjustable detent at an intermediate reverse thrust detent position on said throttle quadrant;defining a range of engine reverse thrust settings for said intermediate reverse thrust detent position, said range of engine reverse thrust settings including an engine reverse thrust setting that is selectable to optimize braking performance of the aircraft based upon the aircraft performance parameters and the landing parameters, to slow the aircraft to a desired velocity at a position of a landing runway taxiway exit;setting said throttle quadrant to said intermediate reverse thrust detent position; andoperating the at least one aircraft engine according to said engine reverse thrust setting while braking said aircraft to the desired velocity at the position of the landing runway taxiway exit. 17. The reverse thrust detent method of claim 16 further comprising providing an autobrake control system and operating said autobrake control system according to said position of said landing runway taxiway exit. 18. The reverse thrust detent method of claim 16 wherein said providing a throttle quadrant for an aircraft comprises providing a throttle quadrant comprising a base, a lever slot provided in said base, a throttle control lever movable in said slot and an IDLE reverse thrust position and a MAX reverse thrust position provided along said lever slot, and wherein said intermediate reverse thrust detent position is disposed between said IDLE reverse thrust position and said MAX reverse thrust position. 19. The reverse thrust detent method of claim 18 further comprising providing a detent mechanism in said lever slot at said reverse thrust detent position. 20. A reverse thrust detent system, comprising: an onboard flight computer, provided with performance parameters and landing parameters for the aircraft;an autobrake control system interfacing with said onboard flight computer;a brake activation system interfacing with said autobrake control system;a control interface for said autobrake control system interfacing with said onboard flight computer;a throttle quadrant comprising: a base;at least one lever slot provided in said base;at least one throttle control lever having a lever shaft movable in said at least one lever slot and a lever handle carried by said lever shaft;a MAX forward thrust position, an IDLE reverse thrust position and a MAX reverse thrust position provided along said at least one lever slot; anda detent at an intermediate reverse thrust detent position provided along said at least one lever slot between said IDLE reverse thrust position and said MAX reverse thrust position and interfacing with said onboard flight computer;a reverse thrust scheduling system interfacing with said throttle quadrant through said onboard flight computer;at least one aircraft engine interfacing with said reverse thrust scheduling system through said onboard flight computer; anda programmable input interfacing with said reverse thrust scheduling system through said onboard flight computer and adapted to receive an engine reverse thrust setting;wherein the onboard flight computer is configured to cause the autobrake control system to operate the brake activation system of the aircraft according to the aircraft performance parameters and the landing parameters, and said reverse thrust scheduling system is adapted to operate said at least one aircraft engine in an intermediate reverse thrust mode, the reverse thrust of which has a magnitude that is selected by the onboard flight computer to optimize the performance of the autobrake system and is pre-programmed into the programmable input for the reverse thrust detent position to slow the aircraft according to a defined rollout distance setting. 21. A reverse thrust detent method for an aircraft having at least one aircraft engine, comprising: providing a throttle quadrant for the aircraft comprising: a base;at least one lever slot provided in said base;at least one throttle control lever having a lever shaft movable in said at least one lever slot and a lever handle carried by said lever shaft;a MAX forward thrust position, an IDLE reverse thrust position and a MAX reverse thrust position provided along said at least one lever slot; andan adjustable detent at an intermediate reverse thrust detent position provided along said at least one lever slot between said IDLE reverse thrust position and said MAX reverse thrust position;providing an autobrake control system, coupled to an onboard flight computer, provided with performance parameters and landing parameters for the aircraft;defining a range of engine reverse thrust settings for said intermediate reverse thrust detent position, said range of engine reverse thrust settings including an engine reverse thrust setting that is selectable to optimize performance of the autobrake control system based upon the aircraft performance parameters and the landing parameters, according to a position of a landing runway taxiway exit;positioning said at least one throttle control lever at said intermediate reverse thrust detent position of said throttle quadrant; andoperating the at least one aircraft engine according to said engine reverse thrust setting and concurrently operating said autobrake control system to slow the aircraft to a desired velocity at the position of the landing runway taxiway exit.
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