COATED VARIABLE AREA FAN NOZZLE
    3.
    发明申请
    COATED VARIABLE AREA FAN NOZZLE 审中-公开
    涂层可变区风扇喷嘴

    公开(公告)号:US20090067993A1

    公开(公告)日:2009-03-12

    申请号:US11689651

    申请日:2007-03-22

    IPC分类号: F01D17/16 F02K1/06

    摘要: A variable area fan nozzle for use with a gas turbine engine system includes a nozzle section that is movable between a plurality of positions to change an effective area associated with a bypass airflow through a fan bypass passage of a gas turbine engine. A protective coating is disposed on the nozzle section and resists change in the effective area of the nozzle section caused by environmental conditions.

    摘要翻译: 用于燃气涡轮发动机系统的可变区域风扇喷嘴包括喷嘴部分,其可在多个位置之间移动,以改变与通过燃气涡轮发动机的风扇旁路通道的旁路气流相关联的有效区域。 保护涂层设置在喷嘴部分上,并且抵抗由环境条件引起的喷嘴部分的有效面积的变化。

    Carbon fiber reinforced polyimide composites
    4.
    发明授权
    Carbon fiber reinforced polyimide composites 失效
    碳纤维增强聚酰亚胺复合材料

    公开(公告)号:US5304338A

    公开(公告)日:1994-04-19

    申请号:US862663

    申请日:1992-04-02

    IPC分类号: B29C45/00 B29C45/02 B29C45/34

    摘要: A substantially microcrack- and blister-free composite can be made by drying an addition-type polyimide molding compound under suitable conditions to remove excess moisture. The molding compound includes a mixture of a polyimide resin and a plurality of carbon reinforcing fibers less than 3 mm long. The molding compound is placed into a heated material reservoir and transferred to a heated molding tool with a heated transfer ram. The ram establishes a molding pressure in a mold cavity in the molding tool sufficient to cure the molding compound into the desired composite. The molding compound is transferred to the mold cavity such that the molding compound is heated to a molding temperature at a rate of at least about 85.degree. C./min. The molding pressure and temperature are maintained in the mold cavity for a time sufficient to cure the molding compound into the desired composite. The composite is cooled and then heated to a suitable post-cure temperature at a rate sufficient to permit residual volatiles in the composite to diffuse out of the composite. The composite is held at the post-cure temperature for a sufficient time and then cooled. The invention also includes an article made by this method and a vented molding tool used in the method.

    摘要翻译: 通过在合适的条件下干燥加成型聚酰亚胺模塑料以除去多余的水分,可以制备基本上不含微裂纹和无起泡的复合材料。 模塑料包括聚酰亚胺树脂和少于3mm长的多个碳增强纤维的混合物。 将模塑料置于加热的材料储存器中并转移到具有加热的转印柱的加热模制工具中。 该冲头在模制工具中的模腔中形成足够的成型压力,以将模塑料固化成所需的复合材料。 将模塑料转移到模腔中,使得模塑料以至少约85摄氏度/分钟的速率加热到模塑温度。 模塑压力和温度在模具腔中保持足以将模塑料固化成所需复合材料的时间。 将复合材料冷却,然后以足以允许复合材料中的残留挥发物扩散出复合材料的速率加热至合适的后固化温度。 复合材料在固化后温度下保持足够的时间,然后冷却。 本发明还包括通过该方法制造的制品和在该方法中使用的通风模制工具。

    Pendent residential fire protection sprinklers
    8.
    发明授权
    Pendent residential fire protection sprinklers 有权
    吊坠住宅防火喷头

    公开(公告)号:US08172001B2

    公开(公告)日:2012-05-08

    申请号:US12187275

    申请日:2008-08-06

    CPC分类号: A62C37/14 A62C37/08

    摘要: A pendent residential fire prevention sprinkler has a frame structure extending from the sprinkler body, and a system for blocking an outlet to prevent fluid from passing through the outlet until occurrence of a predetermined condition and for unblocking the outlet in response to occurrence of the condition. A deflector is supported by the frame structure at a predetermined distance from the outlet, at a position to be impinged upon by the fluid leaving the outlet. The deflector has a central portion and a peripheral portion, and slots formed in the periphery, defining tines therebetween. The slots include a first plurality of slots, each of which extends inward from the deflector periphery with a uniform width, a second plurality of slots, each of which has a first portion and a second portion between the deflector periphery and the slot's closed end, where the first portion has a width that varies at different points, while the second portion has a uniform width.

    摘要翻译: 悬挂式住宅防火喷淋装置具有从喷淋头主体延伸的框架结构,以及用于阻止出口阻止流体通过出口直到出现预定条件并响应于状况发生而解除插座的系统。 在离开出口的流体撞击的位置处,偏转器由框架结构以与出口预定的距离支撑。 偏转器具有中心部分和周边部分,并且在周边形成有狭槽,在其间限定了尖齿。 狭槽包括第一多个槽,每个槽具有均匀宽度的偏转器周边内侧延伸的第二多个槽,每个狭槽在偏转器周边和槽的封闭端之间具有第一部分和第二部分, 其中第一部分具有在不同点变化的宽度,而第二部分具有均匀的宽度。