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    • 8. 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.
    • 9. 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。