IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0204771
(2011-08-08)
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등록번호 |
US-9103228
(2015-08-11)
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발명자
/ 주소 |
- Waugh, Daniel Richard
- Rittenhouse, Brian Allen
|
출원인 / 주소 |
|
대리인 / 주소 |
Sutherland Asbill & Brennan LLP
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인용정보 |
피인용 횟수 :
0 인용 특허 :
7 |
초록
▼
The present application provides a variable stator vane control system. The variable stator vane control system may include a variable stator vane positioned by an actuator and a trimmer motor, a resolver to determine a position of the variable stator vane, and a controller in communication with the
The present application provides a variable stator vane control system. The variable stator vane control system may include a variable stator vane positioned by an actuator and a trimmer motor, a resolver to determine a position of the variable stator vane, and a controller in communication with the resolver, the actuator, and the trimmer motor to prevent over travel of the variable stator vane.
대표청구항
▼
1. A variable stator vane control system, comprising: a plurality of variable stator vanes positioned on an actuation ring;each of the plurality of variable stator vanes positioned by an actuator and an individual trimmer motor, the individual trimmer motor positioned in between the respective varia
1. A variable stator vane control system, comprising: a plurality of variable stator vanes positioned on an actuation ring;each of the plurality of variable stator vanes positioned by an actuator and an individual trimmer motor, the individual trimmer motor positioned in between the respective variable stator vane and the actuator;a resolver configured to determine a position of each of the plurality of variable stator vanes; anda controller in communication with the resolver, the actuator, and each individual trimmer motor to prevent over travel of the variable stator vane. 2. The variable stator vane control system of claim 1, wherein each individual the trimmer motor is in communication with the actuation ring. 3. The variable stator vane control system of claim 1, further comprising a plurality of actuation rings and wherein the actuator is in communication with the plurality of actuation rings. 4. The variable stator vane control system of claim 1, wherein the actuator comprises a hydraulic actuator. 5. The variable stator vane control system of claim 1, wherein the actuator comprises a piston. 6. The variable stator vane control system of claim 1, further comprising a plurality of actuators. 7. The variable stator vane control system of claim 1, wherein each individual trimmer motor comprises an electrical trimmer motor. 8. The variable stator vane control system of claim 1, further comprising a linkage assembly in communication with each of the plurality of variable stator vanes, the actuator, and each individual trimmer motor. 9. The variable stator vane control system of claim 8, wherein the linkage assembly comprises a crossbar in communication with the actuator. 10. The variable stator vane control system of claim 9, wherein the linkage assembly comprises a ring arm in communication with the crossbar and each individual trimmer motor. 11. The variable stator vane control system of claim 10, wherein the linkage assembly comprises a plurality of ring arms. 12. A method of controlling a variable stator vane by an actuator and an individual trimmer motor associated with the variable stator vane to prevent interference with a rotor blade, comprising: determining a rotational position of the variable stator vane; andif the variable stator vane is too far open, then: closing the actuator; andstopping the trimmer motor; orif the variable stator vane is too far closed, then: opening the actuator;starting the trimmer motor associated with the variable stator vane while stopping another trimmer motor associated with a different variable stator vane; andstopping the trimmer motor after the variable stator vane does not interfere with the rotor blade. 13. The method of claim 12, further comprising the step of alerting an operator is the variable stator vane is too far open or too far closed. 14. The method of claim 12, further comprising the step of determining if the variable stator vane is in an open position or a closed position. 15. A variable stator vane control system to prevent interference with a rotor blade, comprising: a plurality of variable stator vanes positioned on an actuation ring;the plurality of variable stator vanes positioned by an actuator and a trimmer motor in communication with the actuation ring, wherein each of the plurality of variable stator vanes comprises an individual trimmer motor associated therewith, and the trimmer motor is positioned in between one of the plurality of variable stator vanes and the actuator;a resolver to determine the position of one or more of the variable stator vanes; anda controller in communication with the resolver, the actuator, and the trimmer motor to prevent interference with the rotor blade by the plurality of variable stator vanes. 16. The variable stator vane control system of claim 15, further comprising a plurality of actuation rings and wherein the actuator is in communication with the plurality of actuation rings. 17. The variable stator vane control system of claim 1, wherein the actuator comprises a hydraulic actuator. 18. The variable stator vane control system of claim 1, wherein the trimmer motor comprises an electrical trimmer motor. 19. The variable stator vane control system of claim 15, further comprising a linkage assembly in communication with the actuation ring, the actuator, and the trimmer motor.
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