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    • 1. 发明授权
    • Floor inlet valve for a central vacuum cleaning system
    • 用于中央真空清洁系统的地板入口阀
    • US08819891B2
    • 2014-09-02
    • US13047508
    • 2011-03-14
    • Rick Alan Parkinson
    • Rick Alan Parkinson
    • A47L5/38F16K1/20A47L9/02
    • A47L5/38A47L9/02F16K1/2007
    • An inlet valve for a central vacuum cleaning system having a central vacuum motor connected to a piping network, is disclosed. The inlet valve includes a main body having an air inlet passageway formed therethrough and a pipe connector to connect the air inlet passageway of the inlet valve to the vacuum piping. An outer door is provided which is pivotally mounted to the main body on an opposite side to said connector and an inner door is provided which is pivotally mounted to said main body at one end between the outer door and the main body and seals the air inlet passageway when the inner door is in a closed position. A releasable latch is operatively connected to the outer door to keep the outer door and the inner door closed on the front of the valve when the inlet valve is not in use and a spring is provided to cause the inner door and the outer door to open upon the latch being released.
    • 公开了一种用于具有连接到管道网络的中央真空马达的中央真空清洁系统的入口阀。 入口阀包括具有穿过其形成的进气通道的主体和用于将入口阀的进气通道连接到真空管道的管连接器。 设置有外门,该外门在与所述连接器相对的一侧枢转地安装到主体,并且设置有内门,其一端在外门和主体之间枢转地安装到所述主体,并且密封空气入口 内门处于关闭位置时的通道。 可释放的闩锁可操作地连接到外门,以在入口阀不使用时保持外门和内门关闭在阀门的前部,并且提供弹簧以使内门和外门打开 在闩锁被释放时。
    • 3. 发明申请
    • FLOOR INLET VALVE FOR A CENTRAL VACUUM CLEANING SYSTEM
    • 用于中央真空清洁系统的地板入口阀
    • US20120228536A1
    • 2012-09-13
    • US13047508
    • 2011-03-14
    • Rick Alan Parkinson
    • Rick Alan Parkinson
    • F16K1/00
    • A47L5/38A47L9/02F16K1/2007
    • An inlet valve for a central vacuum cleaning system having a central vacuum motor connected to a piping network, is disclosed. The inlet valve includes a main body having an air inlet passageway formed therethrough and a pipe connector to connect the air inlet passageway of the inlet valve to the vacuum piping. An outer door is provided which is pivotally mounted to the main body on an opposite side to said connector and an inner door is provided which is pivotally mounted to said main body at one end between the outer door and the main body and seals the air inlet passageway when the inner door is in a closed position. A releasable latch is operatively connected to the outer door to keep the outer door and the inner door closed on the front of the valve when the inlet valve is not in use and a spring is provided to cause the inner door and the outer door to open upon the latch being released.
    • 公开了一种用于具有连接到管道网络的中央真空马达的中央真空清洁系统的入口阀。 入口阀包括具有穿过其形成的进气通道的主体和用于将入口阀的进气通道连接到真空管道的管连接器。 设置有外门,该外门在与所述连接器相对的一侧枢转地安装到主体,并且设置有内门,其一端在外门和主体之间枢转地安装到所述主体,并且密封空气入口 内门处于关闭位置时的通道。 可释放的闩锁可操作地连接到外门,以在入口阀不使用时保持外门和内门关闭在阀门的前部,并且提供弹簧以使内门和外门打开 在闩锁被释放时。