Self-sealing apparatus that adjusts a throat area of a nozzle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02K-001/00
F02K-001/10
F02K-001/15
F02K-001/12
출원번호
US-0796556
(2015-07-10)
등록번호
US-10030605
(2018-07-24)
발명자
/ 주소
Werner, Eric L.
출원인 / 주소
The Boeing Company
대리인 / 주소
Rolnicki, Joseph M.
인용정보
피인용 횟수 :
0인용 특허 :
3
초록
A flow control panel in an aircraft engine two-dimensional, convergent/divergent nozzle adjusts a throat area of the nozzle and is configured to be self-sealing, thereby requiring fewer parts and providing a more simplified construction of the throat area of the nozzle.
대표청구항▼
1. An apparatus that adjusts a throat area of a nozzle, the apparatus comprising: a nozzle having an interior surface, the interior surface extending around an interior of the nozzle, the nozzle having a forward end and an aft end, the nozzle having a flow direction through the interior of the nozzl
1. An apparatus that adjusts a throat area of a nozzle, the apparatus comprising: a nozzle having an interior surface, the interior surface extending around an interior of the nozzle, the nozzle having a forward end and an aft end, the nozzle having a flow direction through the interior of the nozzle from the forward end of the nozzle to the aft end of the nozzle, the nozzle having a throat cross-sectional area in the interior of the nozzle, the throat cross-sectional area being intermediate the forward end of the nozzle and the aft end of the nozzle;an opening through the interior surface of the nozzle, the interior surface of the nozzle having a forward edge at a forward end of the opening and the interior surface of the nozzle having an aft edge at an aft end of the opening that is opposite the forward end of the opening, the interior surface having a first side edge at a first side of the opening and the interior surface having a second side edge at a second side of the opening, the first side of the opening being opposite the second side of the opening;a flow control panel extending through the opening and into the interior of the nozzle, the flow control panel having a forward surface that opposes the forward edge of the interior surface with there being a forward gap between the forward surface and the forward edge;an actuator device operatively connected to the flow control panel, the actuator device being operable to move the flow control panel between a first position of the flow control panel in the interior of the nozzle and a second position of the flow control panel in the interior of the nozzle where when the flow control panel is moved from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior of the nozzle the flow control panel decreases the throat cross-sectional area and when the flow control panel is moved from the second position of the flow control panel in the interior of the nozzle to the first position of the flow control panel in the interior of the nozzle the flow control panel increases the throat cross-sectional area;as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle a dimension of the forward gap between the forward surface of the flow control panel and the forward edge of the interior surface of the nozzle remains constant;the actuator device moves the flow control panel about a rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle; and,the forward surface of the flow control panel has a cross-sectional configuration that defines an arc having a constant radius of curvature from the rotation axis. 2. The apparatus of claim 1, further comprising: the dimension of the forward gap provides for simplified sealing against passage of hot gasses through the forward gap. 3. The apparatus of claim 1, further comprising: no part of the nozzle extends across the forward gap. 4. The apparatus of claim 1, further comprising: the flow control panel having an aft surface that opposes the aft edge of the interior surface of the nozzle with there being an aft gap between the aft surface and the aft edge; and,as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle a dimension of the aft gap between the aft surface of the flow control panel and the aft edge of the interior surface remains constant. 5. The apparatus of claim 4, further comprising: the flow control panel is a single piece having a throat surface that is positioned between the forward surface and the aft surface, the flow control panel having a first side edge that extends along the forward surface, the throat surface and the aft surface of the flow control panel, the first side edge of the flow control panel opposes the first side edge of the interior surface of the nozzle with there being a first side gap between the first side edge of the flow control panel and the first side edge of the interior surface of the nozzle, the flow control panel having a second side edge that extends along the forward surface, the throat surface and the aft surface of the flow control panel, the second side edge of the flow control panel opposes the second side edge of the interior surface of the nozzle with their being a second side gap between the second side edge of the flow control panel and the second side edge of the interior surface of the nozzle; and,as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle a dimension of the first side gap between the first side edge of the flow control panel and the first side edge of the interior surface of the nozzle remains constant and a dimension of the second side gap between the second side edge of the flow control panel and the second side edge of the interior surface of the nozzle remains constant. 6. The apparatus of claim 4, further comprising: the flow control panel having a forward edge along the forward surface and the flow control panel having an aft edge along the aft surface;the forward edge of the flow control panel moves toward the forward edge of the interior surface of the nozzle, the forward surface of the flow control panel moves along the forward edge of the interior surface of the nozzle, the aft edge of the flow control panel moves away from the aft edge of the interior surface of the nozzle and the aft surface of the flow control panel moves along the aft edge of the interior surface of the nozzle in response to the flow control panel being moved from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior surface of the nozzle; and,the forward edge of the flow control panel moves away from the forward edge of the interior surface of the nozzle, the forward surface of the flow control panel moves along the forward edge of the interior surface of the nozzle, the aft edge of the flow control panel moves toward the aft edge of the interior surface of the nozzle and the aft surface of the flow control panel moves along the aft edge of the interior surface of the nozzle in response to the flow control panel being moved from the second position of the flow control panel in the interior surface of the nozzle to the first position of the flow control panel in the interior of the nozzle. 7. An apparatus that adjusts a throat area of a nozzle, the apparatus comprising: a nozzle having an interior surface, the interior surface extending around an interior of the nozzle, the nozzle having a forward end and an aft end, the nozzle having a flow direction through the interior of the nozzle from the forward end of the nozzle to the aft end of the nozzle, the nozzle having a throat cross-sectional area in the interior of the nozzle, the throat cross-sectional area being intermediate the forward end of the nozzle and the aft end of the nozzle;an opening through the interior surface of the nozzle, the interior surface of the nozzle having a forward edge at a forward end of the opening and the interior surface of the nozzle having an aft edge at an aft end of the opening that is opposite the forward end of the opening, the interior surface having a first side edge at a first side of the opening and the interior surface having a second side edge at a second side of the opening, the first side of the opening being opposite the second side of the opening;a flow control panel extending through the opening and into the interior of the nozzle, the flow control panel having a forward surface that opposes the forward edge of the interior surface with there being a forward gap between the forward surface and the forward edge;an actuator device operatively connected to the flow control panel, the actuator device being operable to move the flow control panel between a first position of the flow control panel in the interior of the nozzle and a second position of the flow control panel in the interior of the nozzle where when the flow control panel is moved from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior of the nozzle the flow control panel decreases the throat cross-sectional area and when the flow control panel is moved from the second position of the flow control panel in the interior of the nozzle to the first position of the flow control panel in the interior of the nozzle the flow control panel increases the throat cross-sectional area;as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle a dimension of the forward gap between the forward surface of the flow control panel and the forward edge of the interior surface of the nozzle remains constant;the flow control panel having an aft surface that opposes the aft edge of the interior surface of the nozzle with there being an aft gap between the aft surface and the aft edge;as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle a dimension of the aft gap between the aft surface of the flow control panel and the aft edge of the interior surface remains constant;the actuator device moves the flow control panel about a rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle; and,the forward surface of the flow control panel has a cross-sectional configuration that defines an arc having a constant radius of curvature from the rotation axis. 8. The apparatus of claim 7, further comprising: the aft surface of the flow control panel has a cross-sectional configuration that defines an arc having a constant radius of curvature relative to the rotation axis. 9. An apparatus that adjusts a throat area of a nozzle, the apparatus comprising: a nozzle having an interior surface, the interior surface extending around an interior of the nozzle, the nozzle having a forward end and an aft end, the nozzle having a flow direction through the interior of the nozzle from the forward end of the nozzle to the aft end of the nozzle, the nozzle having a throat cross-sectional area in the interior of the nozzle, the throat cross-sectional area being intermediate the forward end of the nozzle and the aft end of the nozzle;an opening through the interior surface of the nozzle, the interior surface having a forward edge at a forward end of the opening and the interior surface having an aft edge at an aft end of the opening that is opposite the forward edge, the interior surface having a first side edge at a first side of the opening and the interior surface having a second side edge at a second side of the opening that is opposite the first side edge of the interior surface;a flow control panel extending through the opening and into the interior of the nozzle, the flow control panel having a forward surface that opposes the forward edge of the interior surface of the nozzle, the flow control panel having an aft surface that opposes the aft edge of the interior surface of the nozzle, the flow control panel having a throat surface between the forward surface and the aft surface of the flow control panel, the throat surface being positioned in the interior of the nozzle and defining the throat cross-sectional area in the interior of the nozzle;an actuator device operatively connected to the flow control panel, the actuator device being operable to move the flow control panel between a first position of the flow control panel in the interior of the nozzle and a second position of the flow control panel in the interior of the nozzle where when the actuator device moves the flow control panel from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior of the nozzle the flow control panel decreases the throat cross-sectional area and when the actuator device moves the flow control panel from the second position of the flow control panel in the interior of the nozzle to the first position of the flow control panel in the interior of the nozzle the flow control panel increases the throat cross-sectional area;the actuator device is operable to rotate the flow control panel about a rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle;the rotation axis is positioned on an opposite side of the flow control panel from the throat cross-sectional area;the actuator device moves the flow control panel about the rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of nozzle; and,the forward surface of the flow control panel has a cross-sectional configuration that defines an arc having a constant radius of curvature from the rotation axis. 10. The apparatus of claim 9, further comprising: a forward gap between the forward surface of the flow control panel and the forward edge of the interior surface of the nozzle; and,the dimension of the forward gap providing a seal against passage of hot gasses through the forward gap. 11. The apparatus of claim 10, further comprising: no part of the nozzle extends across the forward gap. 12. The apparatus of claim 10, further comprising: as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle, the dimension of the forward gap between the forward surface of the flow control panel and the forward edge of the interior surface of the nozzle remains constant. 13. The apparatus of claim 10, further comprising: an aft gap between the aft surface of the flow control panel and the aft edge of the interior surface of the nozzle; and,as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle, a dimension of the aft gap between the aft surface of the flow control panel and the aft edge of the interior surface of the nozzle remains constant. 14. The apparatus of claim 13, further comprising: the flow control panel having a first side edge that extends along the forward surface, the throat surface and the aft surface of the flow control panel, the first side edge of the flow control panel opposes the first side edge of the interior surface of the nozzle with there being a first side gap between the first side edge of the flow control panel and the first side edge of the interior surface of the nozzle, the flow control panel having a second side edge that extends along the forward surface, the throat surface and the aft surface of the flow control panel, the second side edge of the flow control panel opposes the second side edge of the interior surface of the nozzle with there being a second side gap between the second side edge of the flow control panel and the second side edge of the interior surface of the nozzle; and,as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle a dimension of the first side gap between the first side edge of the flow control panel and the first side edge of the interior surface of the nozzle remains constant and a dimension of the second side gap between the second side edge of the flow control panel and the second side edge of the interior surface of the nozzle remains constant. 15. The apparatus of claim 13, further comprising: the flow control panel having a forward edge along the forward surface and the flow control panel having an aft edge along the aft surface;the forward edge of the flow control panel moves toward the forward edge of the interior surface of the nozzle and the aft edge of the flow control panel moves away from the aft edge of the interior surface of the nozzle in response to the flow control panel being moved from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior surface of the nozzle; and,the forward edge of the flow control panel moves away from the forward edge of the interior surface of the nozzle and the aft edge of the flow control panel moves toward the aft edge of the interior surface of the nozzle in response to the flow control panel being moved from the second position of the flow control panel in the interior surface of the nozzle to the first position of the flow control panel in the interior of the nozzle. 16. An apparatus that adjusts a throat area of a nozzle, the apparatus comprising: a nozzle having an interior surface, the interior surface extending around an interior of the nozzle, the nozzle having a forward end and an aft end, the nozzle having a flow direction through the interior of the nozzle from the forward end of the nozzle to the aft end of the nozzle, the nozzle having a throat cross-sectional area in the interior of the nozzle, the throat cross-sectional area being intermediate the forward end of the nozzle and the aft end of the nozzle;an opening through the interior surface of the nozzle, the interior surface having a forward edge at a forward end of the opening and the interior surface having an aft edge at an aft end of the opening that is opposite the forward edge, the interior surface having a first side edge at a first side of the opening and the interior surface having a second side edge at a second side of the opening that is opposite the first side edge of the interior surface;a flow control panel extending through the opening and into the interior of the nozzle, the flow control panel having a forward surface that opposes the forward edge of the interior surface of the nozzle, the flow control panel having an aft surface that opposes the aft edge of the interior surface of the nozzle, the flow control panel having a throat surface between the forward surface and the aft surface of the flow control panel, the throat surface being positioned in the interior of the nozzle and defining the throat cross-sectional area in the interior of the nozzle;an actuator device operatively connected to the flow control panel, the actuator device being operable to move the flow control panel between a first position of the flow control panel in the interior of the nozzle and a second position of the flow control panel in the interior of the nozzle where when the actuator device moves the flow control panel from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior of the nozzle the flow control panel decreases the throat-cross sectional area and when the actuator device moves the flow control panel from the second position of the flow control panel in the interior of the nozzle to the first position of the flow control panel in the interior of the nozzle the flow control panel increases the throat cross-sectional area;the actuator device is operable to rotate the flow control panel about a rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle;the rotation axis is positioned on an opposite side of the flow control panel from the throat cross-sectional area;a forward gap between the forward surface of the flow control panel and the forward edge of the interior surface of the nozzle;the dimension of the forward gap providing a seal against passage of hot gasses through the forward gap;an aft gap between the aft surface of the flow control panel and the aft edge of the interior surface of the nozzle;as the flow control panel is moved between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle, a dimension of the aft gap between the aft surface of the flow control panel and the aft edge of the interior surface of the nozzle remains constant;the actuator device moves the flow control panel about a rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle; and,the forward surface of the flow control panel has a cross-sectional configuration that defines an arc having a constant radius of curvature from the rotation axis. 17. The apparatus of claim 16, further comprising: the aft surface of the flow control panel has a cross-sectional configuration that defines an arc having a constant radius of curvature relative to the rotation axis. 18. An apparatus that adjusts a throat area of a nozzle, the apparatus comprising: a nozzle having an interior surface, the interior surface extending around an interior of the nozzle, the nozzle having a forward end and an aft end, the nozzle having a flow direction through the interior of the nozzle from the forward end of the nozzle to the aft end of the nozzle, the nozzle having a throat cross-sectional area in the interior of the nozzle, the throat cross-sectional area being intermediate the forward end of the nozzle and the aft end of the nozzle;an opening through the interior surface of the nozzle, the interior surface having a forward edge at a forward end of the opening and the interior surface having an aft edge at an aft end of the opening that is opposite the forward edge, the interior surface having a first side edge at a first side of the opening and the interior surface having a second side edge at a second side of the opening that is opposite the first side edge of the interior surface;a flow control panel extending through the opening and into the interior of the nozzle, the flow control panel having a forward surface that opposes the forward edge of the interior surface of the nozzle, the flow control panel having an aft surface that opposes the aft edge of the interior surface of the nozzle, the flow control panel having a throat surface between the forward surface and the aft surface of the flow control panel, the throat surface being positioned in the interior of the nozzle and defining the throat cross-sectional area in the interior of the nozzle;an actuator device operatively connected to the flow control panel, the actuator device being operable to move the flow control panel between a first position of the flow control panel in the interior of the nozzle and a second position of the flow control panel in the interior of the nozzle where when the actuator device moves the flow control panel from the first position of the flow control panel in the interior of the nozzle to the second position of the flow control panel in the interior of the nozzle the flow control panel decreases the throat cross-sectional area and when the actuator device moves the flow control panel from the second position of the flow control panel in the interior of the nozzle to the first position of the flow control panel in the interior of the nozzle the flow control panel increases the throat cross-sectional area;the actuator device is operable to rotate the flow control panel about a rotation axis as the actuator device moves the flow control panel between the first position of the flow control panel in the interior of the nozzle and the second position of the flow control panel in the interior of the nozzle;a portion of the forward surface of the flow control panel having a cross-sectional configuration of an arc, the portion of the forward surface of the flow control panel having the cross-sectional configuration of an arc having a constant radius of curvature from the rotation axis; and,a portion of the aft surface of the flow control panel having a cross-sectional configuration of an arc, the portion of the aft surface of the flow control panel having the cross-sectional configuration of an arc having a constant radius of curvature from the rotation axis. 19. The apparatus of claim 18, further comprising: the aft edge of the interior surface of the nozzle at the aft end of the opening through the interior surface of the nozzle is comprised of a plurality of triangular sections of the aft edge that extend across the interior surface of the nozzle. 20. The apparatus of claim 19, further comprising: the aft surface of the flow control panel being formed with a plurality of ridges having triangular cross-sections.
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이 특허에 인용된 특허 (3)
Garrett Timothy M. (Florissant MO) Zilz David E. (St. Peters MO), Rotatable arms for thrust vectoring and changing the area of a nozzle throat.
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