Rotary positive displacement blower having a diverging outlet part
    1.
    发明授权
    Rotary positive displacement blower having a diverging outlet part 失效
    具有发散出口的旋转容积式鼓风机

    公开(公告)号:US5702240A

    公开(公告)日:1997-12-30

    申请号:US437147

    申请日:1995-05-05

    IPC分类号: F04C29/00 F04C29/12 F04C18/18

    CPC分类号: F04C29/122 F04C29/0035

    摘要: A rotary positive displacement blower for producing a flow of fluid. The blower includes a housing having a rotor chamber, an inlet port and an outlet port. The outlet port has a first end and a second end and a first edge and a second edge which extend from the first end towards the second end while becoming increasingly spaced apart from one another. A first rotor and a second rotor are located in the rotor chamber. Each rotor includes a plurality of lobes and are each rotatable about a respective axis. Each rotor includes a plurality of pockets adapted to rotate into fluid communication with the inlet port to receive fluid and to rotate into fluid communication with the outlet port to deliver fluid as the rotors rotate. Fluid passages located in the housing extend between the outlet port and the rotor chamber to provide a flow of high pressure fluid from the outlet port to the pockets of the rotors to pre-pressurize the fluid contained therein before each pocket rotates into fluid communication with the outlet port thereby reducing pressure pulsations and resulting noise and vibration.

    摘要翻译: 用于产生流体流动的旋转容积式鼓风机。 鼓风机包括具有转子室,入口和出口的壳体。 出口具有第一端和第二端以及从第一端朝向第二端延伸而彼此间隔开的第一边缘和第二边缘。 第一转子和第二转子位于转子室中。 每个转子包括多个叶片,并且各自可绕相应的轴线旋转。 每个转子包括多个凹穴,其适于旋转成与入口端口流体连通以接收流体并且随着转子旋转而旋转成与出口端口流体连通以输送流体。 位于壳体中的流体通道在出口和转子室之间延伸,以提供高压流体从出口到转子的口袋的流动,以在每个口袋旋转成与 出口端口,从而减少压力脉动并产生噪音和振动。

    Thermally activated pressure relief plug
    2.
    发明授权
    Thermally activated pressure relief plug 失效
    热活化泄压塞

    公开(公告)号:US4899777A

    公开(公告)日:1990-02-13

    申请号:US338048

    申请日:1989-04-14

    IPC分类号: F16K17/00

    摘要: A temperature actuated relief plug assembly for mounting in a port in a pressurized structure to provide pressure relief when the temperature of the gases in the pressurized structure exceeds some predetermined temperature, the assembly including a metallic body having a portion for mounting in the port in the pressurized structure and a portion extending externally therefrom, the metallic body having a chamber therein and an opening communicating the chamber with the interior of the pressurized structure, and a temperature actuated structure closing the opening in the body and exposed to the temperature of the gases in the pressurized structure, the temperature actuated structure including a first member with a passage therethrough mounted in the opening and a second member soldered to the first member in position closing the passage therethrough by a solder material that has a predetermined melt temperature which will cause the second member to separate from the first member when the temperature of the gases in the pressurized structure equal or exceed the predetermined temperature.

    摘要翻译: 一种用于安装在加压结构中的端口中以在加压结构中的气体的温度超过某个预定温度时提供压力释放的温度启动释放插塞组件,该组件包括金属体,该金属体具有用于安装在该端口中的部分 加压结构和从其外部延伸的部分,金属体在其中具有室,以及使腔与加压结构的内部连通的开口,以及温度致动结构,其封闭体内的开口并暴露于气体的温度 所述加压结构,所述温度致动结构包括具有穿过所述开口的通道的第一构件,以及焊接到所述第一构件的第二构件,所述第二构件通过具有预定熔融温度的焊料材料封闭所述通道,所述焊料材料将导致所述第二构件 会员与第一名会员分开时 加压结构中的气体的温度等于或超过预定温度。