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    • 3. 发明申请
    • VENTILATED TOILET
    • US20220034076A1
    • 2022-02-03
    • US17503669
    • 2021-10-18
    • David Nelson
    • David Nelson
    • E03D9/052
    • A ventilated toilet for removing odors from the toilet base includes a unitary molded tank assembly with an integral ventilation cavity formed along the base and the back inside of the water tank. At least one water channel connects a water inlet chamber of the base to the water tank and is configured to channel water into the base when released from the tank, as well as to provide an airflow conduit for odors present in the base to be removed from the base via the ventilation cavity. A flush valve extends through the ventilation cavity to connect the tank and the base, and is sealed in attachment to eliminate egress of odors. The system permits substantial elimination of odors at flush volumes of 1.6, 1.3 or 0.8 gallons per flush by virtue of the enhanced seals and unitary construction. A toilet tank assembly in accordance with the invention is also disclosed.
    • 4. 发明授权
    • Closure for a pipeline pig sender or receiver
    • 管道猪发送者或接收者的关闭
    • US08640293B2
    • 2014-02-04
    • US13225336
    • 2011-09-02
    • David NelsonAllen BarkerTrent Nowicki
    • David NelsonAllen BarkerTrent Nowicki
    • F16L55/46
    • B08B9/055F16L55/46
    • A closure for pipeline pig sender or receiver includes a primary closure body and a secondary closure body. The primary closure body has an outer face, an inner face and a port extending therethrough from the outer face to the inner face. The primary closure body is secured to the pipeline pig sender or receiver sealing a closure end when the primary closure body is in the closed position. The secondary closure body closes the port on the primary closure body. The secondary closure body is movable between a closed position and an open position to enable an operator to insert a tool through the port into the diversionary passage to manipulate the pipeline pig and release trapped pressure prior to opening the closure. The secondary closure body is secured to the primary closure body sealing the port when the secondary closure body is in the closed position.
    • 用于管道猪发送器或接收器的封闭件包括主闭合体和次闭合体。 主封闭体具有从外表面向内表面延伸穿过的外表面,内表面和端口。 当主闭合体处于关闭位置时,主封闭体固定到管道猪传感器或接收器上,密封封闭端。 次级封闭体封闭主封闭体上的端口。 次级封闭体可在关闭位置和打开位置之间移动,以使操作者能够将工具插入通过端口进入分流通道,以操纵管道猪,并在打开封闭件之前释放被捕获的压力。 当二次封闭体处于关闭位置时,二次封闭体固定到密封端口的主封闭体上。
    • 9. 发明申请
    • Air filter arrangement; assembly; and, methods
    • 空气过滤器布置; 部件; 和方法
    • US20090223187A1
    • 2009-09-10
    • US12291893
    • 2008-11-14
    • Benny NelsonJohn KuhnDonald LarsonDavid Nelson
    • Benny NelsonJohn KuhnDonald LarsonDavid Nelson
    • B01D46/00B01D46/52B01D46/02B32B37/00
    • B01D46/526B01D46/0004B01D46/0005B01D46/0023B01D46/10B01D46/2414B01D2271/027Y10T156/10
    • Air cleaner assemblies and components therefor are described. An example first or main filter cartridge is described which includes a media pack comprising strips of fluted material secured to facing sheets, oriented in a stack. The media pack defines opposite inlet and outlet flow faces, with flutes extending in a direction therebetween. The media pack is non-removably secured within a filter cartridge housing, at a location between opposite sections of a shell, typically secured thereto with an adhesive. The shell also defines a closed end, spaced from, but in overlap with, the outlet end face of the media pack. The closed end is typically curved and the shell typically provides either a d/b-shape or a u-shape. The filter includes an end member, with a outlet flow aperture arrangement therein, allowing for outlet flow from the filter cartridge in a general direction orthogonal to air flow through the media pack. The air cleaner assembly includes a housing having features for receipt of, and engagement by, the filter cartridge. An optional secondary filter cartridge is provided, mountable on the housing in an orientation projecting into a clean air volume in the main filter cartridge.
    • 描述了空气滤清器组件及其组件。 描述了一个示例性的第一或主过滤器滤芯,其包括介质包,其包括固定到面对板的槽状材料条,其定向成堆叠。 介质包限定相对的入口和出口流动面,其中凹槽沿它们之间的方向延伸。 介质包不可拆卸地固定在过滤器滤芯壳体内,在壳体的相对部分之间的位置处,通常用粘合剂固定在其上。 壳体还限定与介质包的出口端面间隔开但与其重叠的封闭端。 封闭端通常是弯曲的,并且外壳通常提供d / b形或u形。 过滤器包括端部构件,其中具有出口流动孔布置,允许出口在与通过介质包的空气流正交的大致方向上从过滤器滤芯流出。 空气滤清器组件包括具有用于接收和接合过滤器滤芯的特征的壳体。 提供可选的次级过滤器滤芯,其可安装在外壳上,方向突出到主滤芯中的清洁空气容积中。