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公开(公告)号：US5184461A
公开(公告)日：1993-02-09
申请号：US522024
申请日：1990-05-11
CPC分类号： F02K3/075 , F02C7/18 , F02C9/18 , Y02T50/675
摘要： A bypass valve assembly for a gas turbine engine includes a frame defining a first flow channel in flow communication, second and third flow channels separated by a splitter. A plurality of circumferentially juxtaposed bypass doors are disposed in the second channel and are positionable between a closed position preventing airflow into the second channel and an open position providing for airflow into the second channel. Means for automatically positioning the doors in the open and closed positions provides differential pressure across the doors in the second channel, and include a spring which provides a closing torque on the door.
摘要翻译： 用于燃气涡轮发动机的旁通阀组件包括限定流动连通的第一流动通道的框架，由分离器分隔开的第二和第三流动通道。 多个周向并置的旁路门设置在第二通道中并且可定位在关闭位置之间，防止气流进入第二通道，而打开位置可提供气流进入第二通道。 用于将门自动定位在打开和关闭位置的装置提供跨越第二通道的门的差压，并且包括在门上提供闭合扭矩的弹簧。
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公开(公告)号：US5182905A
公开(公告)日：1993-02-02
申请号：US793984
申请日：1991-11-18
CPC分类号： F02C7/18 , F02C9/18 , F02K3/075 , Y02T50/675
摘要： A bypass valve assembly for a gas turbine engine includes a frame defining a first flow channel in flow communication, second and third flow channels separated by a splitter. A plurality of circumferentially juxtaposed bypass doors are disposed in the second channel and are positionable between a closed position preventing airflow into the second channel and an open position providing for airflow into the second channel. Means for automatically positioning the doors in the open and closed positions provides differential pressure across the doors in the second channel, and include a spring which provides a closing torque on the door.
摘要翻译： 用于燃气涡轮发动机的旁通阀组件包括限定流动连通的第一流动通道的框架，由分离器分隔开的第二和第三流动通道。 多个周向并置的旁路门设置在第二通道中并且可定位在关闭位置之间，防止气流进入第二通道，而打开位置可提供气流进入第二通道。 用于将门自动定位在打开和关闭位置的装置提供跨越第二通道的门的差压，并且包括在门上提供闭合扭矩的弹簧。
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公开(公告)号：US5054286A
公开(公告)日：1991-10-08
申请号：US653740
申请日：1991-02-11
CPC分类号： F04D27/0215 , F01D17/105 , F02K3/075 , F04D27/023 , Y02T50/671 , Y10T137/0536
摘要： A bypass valve system includes an annular frame defining a cavity and having an intermediate casing with an annular opening including a plurality of bypass valve doors disposed therein. An annular actuation ring is disposed in the frame cavity and a plurality of space links is pivotally connected between the ring and the bypass valve doors. Each of the space links includes a longitudinal axis and means are provided for rotating the actuation ring between a first position wherein each link longitudinal axis has a first inclination angle and the doors are in a first position, and a ring second position wherein the space link longitudinal axis has a second inclination angle less than the first inclination angle so that the links pivot the doors about a door first end to position the door in a door second position.
摘要翻译： 旁通阀系统包括限定空腔的环形框架，并具有中间壳体，该中间壳体具有设置在其中的多个旁通阀门的环形开口。 环形致动环设置在框架腔中，并且多个空间连杆枢转地连接在环和旁通阀门之间。 每个空间连杆包括纵向轴线，并且设置有用于在第一位置和第二位置之间转动致动环的装置，其中每个连杆纵向轴线具有第一倾斜角度并且门处于第一位置， 纵轴具有小于第一倾斜角度的第二倾斜角度，使得连杆围绕门第一端枢转门以将门定位在门第二位置。
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公开(公告)号：US5048286A
公开(公告)日：1991-09-17
申请号：US546229
申请日：1990-06-29
CPC分类号： F02C9/18 , F02K3/075 , Y02T50/672 , Y10T137/0536
摘要： A bypass valve door includes a pivotable first end, a second end, and an inner surface for facing fluid flow in a bypass valve system. The door includes a seal seat extending obliquely from the door second end. In a preferred embodiment, both the door seal seat and first end are configured for providing seals with adjacent stationary structures when the door is positioned in a closed position. When the door is positioned in an open position, the inner surface is configured for providing an aerodynamically smooth fluid boundary with structures adjacent thereto.
摘要翻译： 旁通阀门包括可枢转的第一端，第二端和用于面对旁通阀系统中的流体流动的内表面。 门包括从门第二端倾斜延伸的密封座。 在优选实施例中，门密封座和第一端都被构造成当门定位在关闭位置时为相邻的固定结构提供密封。 当门被定位在打开位置时，内表面被配置为提供与其相邻的结构的空气动力学平滑的流体边界。
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