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公开(公告)号：WO2007081337A3
公开(公告)日：2007-07-19
申请号：PCT/US2006/001082
申请日：2006-01-13
Applicant: BELL HELICOPTER TEXTRON INC. , RAUBER, Richard, E. , BRASWELL, James, L., Jr. , CAMPBELL, Thomas, C. , POPELKA, David, A. , SOUTHERLAND, Michael, J. , STAMPS, Frank, B. , STANNEY, Keith , TISDALE, Patrick, R. , WASIKOWSKI, Mark
Inventor： RAUBER, Richard, E. , BRASWELL, James, L., Jr. , CAMPBELL, Thomas, C. , POPELKA, David, A. , SOUTHERLAND, Michael, J. , STAMPS, Frank, B. , STANNEY, Keith , TISDALE, Patrick, R. , WASIKOWSKI, Mark
IPC: B64C27/48
Abstract: A rotor-hub for a rotary-wing aircraft is disclosed. The rotor-hub comprises a yoke comprising a plurality of yoke arms and a plurality of yoke straps, wherein the yoke arms are joined together by the yoke straps, and wherein a plurality of inner walls of the yoke define a central void space. A pitch horn is movably connected to the yoke and a portion of the pitch horn is located within the central void space. A connecting shell is fixedly attached to the yoke.
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公开(公告)号：WO2006081181A2
公开(公告)日：2006-08-03
申请号：PCT/US2006/002284
申请日：2006-01-24
Applicant: BELL HELICOPTER TEXTRON INC. , STAMPS, Frank, B. , TISDALE, Patrick, R. , SHERRILL, Paul , RAUBER, Richard , CAMPBELL, Thomas, C. , BRASWELL, James, Lee, Jr. , MEASOM, Ron , HIROS, Tricia , POPELKA, David , SOUTHERLAND, Michael, J. , STANNEY, Keith , WASIKOWSKI, Mark , LEDBETTER, Tim
Inventor： STAMPS, Frank, B. , TISDALE, Patrick, R. , SHERRILL, Paul , RAUBER, Richard , CAMPBELL, Thomas, C. , BRASWELL, James, Lee, Jr. , MEASOM, Ron , HIROS, Tricia , POPELKA, David , SOUTHERLAND, Michael, J. , STANNEY, Keith , WASIKOWSKI, Mark , LEDBETTER, Tim
IPC: B64C27/50
Abstract: An assembly for providing flexure to a blade of a rotary blade system includes an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one of the upper and lower yoke surfaces has a layer of cushioning material positioned thereon and secured thereto. An alternate embodiment includes an assembly for providing flexure to a blade of a rotary blade system, including, an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween and directly contacting the support plates wherein one of the curved surfaces is a non-circular arc that does not form part of the circumference of a circle. Another alternate embodiment includes a similar assembly having a twist-shank type of yoke for providing rotation of attached blades about their respective pitch axes.
Abstract translation: 用于向旋转刀片系统的刀片提供挠曲的组件包括具有上曲面的上支撑板，具有下弯曲表面的下支撑板和位于其间的轭。 上和下轭表面中的至少一个具有定位在其上并固定到其上的缓冲材料层。 替代实施例包括用于向旋转刀片系统的刀片提供挠曲的组件，包括具有上曲面的上支撑板，具有下弯曲表面的下支撑板和位于其间的直接接触支撑件 其中一个弯曲表面是不形成圆周的一部分的非圆弧。 另一替代实施例包括具有扭转柄类型的轭的类似组件，用于提供附接刀片围绕它们各自的俯仰轴的旋转。
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公开(公告)号：WO2008073073A3
公开(公告)日：2008-06-19
申请号：PCT/US2006/046099
申请日：2006-12-08
Applicant: BELL HELICOPTER TEXTRON INC. , STAMPS, Frank, B. , RAUBER, Richard, E. , POPELKA, David, A. , TISDALE, Patrick, R. , CAMPBELL, Thomas, C. , BRASWELL, James, L., Jr. , STANNEY, Keith , WASIKOWSKI, Mark , DONOVAN, Tom , BASKIN, Bryan , SMITH, Ryan , CORRIGAN, John, J., III.
Inventor： STAMPS, Frank, B. , RAUBER, Richard, E. , POPELKA, David, A. , TISDALE, Patrick, R. , CAMPBELL, Thomas, C. , BRASWELL, James, L., Jr. , STANNEY, Keith , WASIKOWSKI, Mark , DONOVAN, Tom , BASKIN, Bryan , SMITH, Ryan , CORRIGAN, John, J., III.
Abstract: A pitch control system for blades on a rotor of an aircraft has a gimballing rotor hub (31) and a plurality of step-over arms (61) connected to the hub and capable of pivoting relative to the hub about a pivot axis. Each of a plurality of pitch links (55) connects one of the step-over arms (61) to a flight control system for pivoting the connected step-over arm (61) about the pivot axis and relative to the hub in response to inputs from the control system. Each of a plurality of step-over links (69) connects one of the step-over arms (61) to one of the blades for rotating the associated blade about the pitch axis in response to pivoting of the associated step-over arm.
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公开(公告)号：EP3401751B1
公开(公告)日：2020-03-25
申请号：EP17178494.5
申请日：2017-06-28
Applicant: Bell Helicopter Textron Inc.
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公开(公告)号：EP1841644A2
公开(公告)日：2007-10-10
申请号：EP06733805.3
申请日：2006-01-24
Applicant: Bell Helicopter Textron Inc.
Inventor： STAMPS, Frank B. , TISDALE, Patrick R. , SHERRILL, Paul , RAUBER, Richard , CAMPBELL, Thomas, C. , BRASWELL, James, Lee, Jr. , MEASOM, Ron , HIROS, Tricia , POPELKA, David , SOUTHERLAND, Michael J. , STANNEY, Keith , WASIKOWSKI, Mark , LEDBETTER, Tim
Abstract: An assembly for providing flexure to a blade of a rotary blade system, the assembly including an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one of the upper and lower yoke surfaces having a layer of cushioning material positioned thereon and secured thereto. The layer of cushioning material extending along and following the general contour of yoke surface, and the layer of cushioning material directly contacting a support plate. Another embodiment is an assembly for providing flexure to a blade of a rotary blade system, including, an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween and directly contacting the support plates wherein one of the curved surfaces is a non-circular arc that does not form part of the circumference of a circle.
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Patent Agency Ranking
公开(公告)号：EP1841644B1
公开(公告)日：2014-03-19
申请号：EP06733805.3
申请日：2006-01-24
Applicant: Bell Helicopter Textron Inc.
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公开(公告)号：EP3401751A1
公开(公告)日：2018-11-14
申请号：EP17178494.5
申请日：2017-06-28
Applicant: Bell Helicopter Textron Inc.
Inventor： BOTHWELL, Christopher Mike , ALFRED, Jillian Samantha , KIM, Sung Kyun , VUGA, Marko , HENDRICKS, Matthew , WASIKOWSKI, Mark , PARHAM, Thomas , SMITH, Michael Reaugh
Abstract: In accordance with an embodiment of the present invention, a method of operating a rotorcraft (101) includes receiving a measured yaw rate from a yaw rate sensor or a measured lateral acceleration from a lateral acceleration sensor of the rotorcraft (101), filtering the measured yaw rate or the measured lateral acceleration using a filter to form a filtered measured yaw rate or a filtered measured lateral acceleration , and regulating a yaw rate or a lateral acceleration of the rotorcraft based on the measured yaw rate or the measured lateral acceleration. The filter includes a bandpass characteristic or a notch characteristic, and the filtering is configured to reduce lateral vibrations caused by airflow in a tail section (123) of the rotorcraft (101).
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公开(公告)号：EP2089274A2
公开(公告)日：2009-08-19
申请号：EP06838841.2
申请日：2006-12-08
Applicant: Bell Helicopter Textron Inc.
Inventor： STAMPS, Frank B. , RAUBER, Richard E. , POPELKA, David A. , TISDALE, Patrick R. , CAMPBELL, Thomas C. , BRASWELL, James L. Jr. , STANNEY, Keith , WASIKOWSKI, Mark , DONOVAN, Tom , BASKIN, Bryan , SMITH, Ryan , CORRIGAN, John J. III.
CPC classification number: B64C11/30 , B64C27/605 , B64C29/0033
Abstract: A pitch control system for blades on a rotor of an aircraft has a gimballing rotor hub (31) and a plurality of step-over arms (61) connected to the hub and capable of pivoting relative to the hub about a pivot axis. Each of a plurality of pitch links (55) connects one of the step-over arms (61) to a flight control system for pivoting the connected step-over arm (61) about the pivot axis and relative to the hub in response to inputs from the control system. Each of a plurality of step-over links (69) connects one of the step-over arms (61) to one of the blades for rotating the associated blade about the pitch axis in response to pivoting of the associated step-over arm.
Abstract translation: 一种用于飞机转子上的叶片的桨距控制系统具有一个万向球转子轮毂（31）和多个连接到该轮毂并且能够围绕枢转轴线相对于轮毂枢转的跨接臂（61）。 多个俯仰连杆（55）中的每一个将所述跨接臂（61）中的一个连接到飞行控制系统，用于响应于输入使所连接的跨接臂（61）绕枢转轴线并且相对于轮毂枢转 来自控制系统。 多个跨接连杆（69）中的每一个将一个跨接臂（61）连接到叶片中的一个，以响应于相关联的跨接臂的枢转而使关联的叶片绕俯仰轴线旋转。
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公开(公告)号：EP2089274B1
公开(公告)日：2013-05-22
申请号：EP06838841.2
申请日：2006-12-08
Applicant: Bell Helicopter Textron Inc.
Inventor： STAMPS, Frank B. , RAUBER, Richard E. , POPELKA, David A. , TISDALE, Patrick R. , CAMPBELL, Thomas C. , BRASWELL, James L. Jr. , STANNEY, Keith , WASIKOWSKI, Mark , DONOVAN, Tom , BASKIN, Bryan , SMITH, Ryan , CORRIGAN, John J. III.
IPC: B64C11/30 , B64C27/605 , B64C29/00
CPC classification number: B64C11/30 , B64C27/605 , B64C29/0033
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公开(公告)号：EP1971521B1
公开(公告)日：2012-11-07
申请号：EP06849210.7
申请日：2006-01-13
Applicant: Bell Helicopter Textron Inc.
Inventor： STAMPS, Frank, B. , RAUBER, Richard, E. , CAMPBELL, Thomas, C. , BRASWELL, James, L., Jr. , POPELKA, David, A. , STANNEY, Keith , SOUTHERLAND, Michael, J. , TISDALE, Patrick, R. , WASIKOWSKI, Mark
IPC: B64C27/48
CPC classification number: B64C29/0033 , B64C27/32 , B64C27/82
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