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    Upright water extraction cleaning machine
    3.
    发明授权
    Upright water extraction cleaning machine 有权

    公开(公告)号：US06279196B1

    公开(公告)日：2001-08-28

    申请号：US09753368

    申请日：2001-01-02

    申请人： Timothy E. Kasen ,  Luke E. Kelly ,  Charles A. Reed, Jr. ,  Gary L. Smith ,  Eric R. Metzger

    发明人： Timothy E. Kasen ,  Luke E. Kelly ,  Charles A. Reed, Jr. ,  Gary L. Smith ,  Eric R. Metzger

    IPC分类号： A47L700

    摘要： A portable surface cleaning apparatus has a base for movement along a surface to be cleaned and an upright handle pivotally attached to a rearward portion of the base. A fluid dispensing nozzle for applying fluid to the surface and a suction nozzle for picking up fluid and debris from the surface are associated with the base. A clean water holding tank and a detergent holding tank are removably mounted to the handle while a recovery tank is removably mounted to the base. A mixing valve is fluidly connected between the holding tanks and the spray nozzle for changing the mixing ratio of the detergent with respect to the water. The fluid recovery tank includes an integrally molded conduit that extends from the suction nozzle and a mounting for an accessory hose that interrupts the fluid path from the suction nozzle in the conduit and redirects fluid flow through the hose. A pump is fluidly connected between the mixing valve and the dispensing nozzle and includes a pump priming valve that operates on negative air pressure to clear air from the fluid lines during pump operation. A free floating brush is pivotally attached to the base for automatically adjusting to different surface conditions during cleaning operations.

    Upright water extraction cleaning machine with improved tank structure
    5.
    发明授权
    Upright water extraction cleaning machine with improved tank structure 失效
    立式提水清洗机具有改进的罐体结构

    公开(公告)号：US06167586A

    公开(公告)日：2001-01-02

    申请号：US09072446

    申请日：1998-05-04

    申请人： Charles A. Reed, Jr. ,  Timothy E. Kasen ,  Luke E. Kelly ,  Gary L. Smith ,  Eric R. Metzger

    发明人： Charles A. Reed, Jr. ,  Timothy E. Kasen ,  Luke E. Kelly ,  Gary L. Smith ,  Eric R. Metzger

    IPC分类号： A47L700

    CPC分类号： A47L5/28 ,  A47L5/30 ,  A47L5/32 ,  A47L7/0004 ,  A47L9/0009 ,  A47L9/0036 ,  A47L9/02 ,  A47L11/03 ,  A47L11/30 ,  A47L11/305 ,  A47L11/34 ,  A47L11/4025 ,  A47L11/4036 ,  A47L11/4041 ,  A47L11/4044 ,  A47L11/4069 ,  A47L11/4075 ,  A47L11/4083 ,  A47L11/4088 ,  A47L11/4091 ,  B01F3/088 ,  B01F5/0077 ,  B01F15/0261 ,  B01F15/0404 ,  Y10T137/88054

    摘要： A portable surface cleaning apparatus has a base for movement along a surface to be cleaned and an upright handle pivotally attached to a rearward portion of the base. A fluid dispensing nozzle for applying fluid to the surface and a suction nozzle for picking up fluid and debris from the surface are associated with the base. Supply tanks are removably mounted to the handle or base while a recovery tank is removably mounted to the handle or base. An outlet in each supply tank includes a valve to close the outlet when the supply tank is removed from the base. A protrusion in a bottom surface of the supply tank defines a measuring volume for concentrated cleaning solution and is further adapted to stabilize the supply tank in the base or handle. The supply tank also includes an aperture through a lower portion selectively closed by a drain plug. A conduit connecting each supply tank to a dispensing nozzle includes a check valve restricting fluid flow to a direction from the tank and to the nozzle. Also, a float assembly in the recovery tank includes a first end for covering an air exit from the recovery tank and a second end, which is buoyant and elevated by the rising recovered fluid in the tank, for raising the first end to cover the air exit.

    摘要翻译： 便携式表面清洁装置具有用于沿待清洁的表面移动的基座和可枢转地附接到基部的后部的直立手柄。 用于将流体施加到表面的流体分配喷嘴和用于从表面拾取流体和碎屑的吸嘴与基座相关联。 供应罐可拆卸地安装到手柄或底座，而回收罐可拆卸地安装到手柄或底座上。 每个供应罐中的出口包括当供应罐从基座移除时关闭出口的阀。 供应罐的底表面中的突起限定了用于浓缩清洁溶液的测量体积，并且还适于将供应罐稳定在基座或手柄中。 供应罐还包括通过排水塞选择性地闭合的下部的孔。 将每个供应罐连接到分配喷嘴的导管包括限制流体流向从罐和喷嘴的方向的止回阀。 此外，回收罐中的浮子组件包括用于覆盖来自回收罐的空气出口的第一端和由罐中的上升的回收流体浮起并升高的第二端，用于升高第一端以覆盖空气 出口。