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    • 1. 发明授权
    • Submersible pump with integrated liquid level sensing and control system
    • 具有集成液位感应和控制系统的潜水泵
    • US07625187B2
    • 2009-12-01
    • US11210340
    • 2005-08-24
    • Michael CollinsGerald A. Assessor
    • Michael CollinsGerald A. Assessor
    • F04B49/00
    • F04D15/0218
    • In accordance with one embodiment of the present invention, there is provided a submersible pump that includes a pump housing forming a main compartment for receiving a pump impeller and having liquid entrance and exit openings in said main compartment, and an impeller mounted in the main compartment. The pump housing is adapted for submersion in a body of liquid whose level is to be controlled, and a sealed auxiliary compartment is formed as an integral part of the housing and located to be at least partially submerged in the liquid body. A drive motor is coupled to the impeller for rotating the impeller to eject liquid from the main compartment through the exit opening. An electric-field sensor is mounted in the sealed auxiliary compartment for detecting the elevation of the surface of the liquid body adjacent the sealed auxiliary compartment. At least one controllable switch is connected in the power supply line for controlling the supply of power to the drive motor, and the electric-field sensor is connected to the controllable switch for opening and closing the switch in response to changes in the detected elevation of the surface of the liquid body adjacent the outer surface of the sealed auxiliary compartment.
    • 根据本发明的一个实施例,提供了一种潜水泵,其包括形成用于接收泵叶轮并在所述主隔室中具有液体入口和出口的主室的泵壳体,以及安装在主室中的叶轮 。 泵壳体适于浸入液体的主体内,液体的主体将被控制,并且密封的辅助隔室形成为壳体的一体部分并被定位成至少部分地浸没在液体中。 驱动马达联接到叶轮上,用于旋转叶轮以通过出口从主隔室喷出液体。 电场传感器安装在密封的辅助室中,用于检测与密封的辅助隔室相邻的液体的表面的高度。 至少一个可控开关连接在电源线中,用于控制对驱动电机的供电,并且电场传感器连接到可控开关,用于响应于检测到的高程的变化而打开和关闭开关 液体的表面与密封辅助隔室的外表面相邻。
    • 2. 发明申请
    • SUBMERSIBLE PUMP WITH INTEGRATED LIQUID LEVEL SENSING AND CONTROL SYSTEM
    • 具有集成液位感测和控制系统的不可渗透泵
    • US20100028166A1
    • 2010-02-04
    • US12576830
    • 2009-10-09
    • Michael CollinsGerald A. Assessor
    • Michael CollinsGerald A. Assessor
    • F04D15/00F04D13/08
    • F04D15/0218
    • In accordance with one embodiment of the present invention, there is provided a submersible pump that includes a pump housing forming a main compartment for receiving a pump impeller and having liquid entrance and exit openings in said main compartment, and an impeller mounted in the main compartment. The pump housing is adapted for submersion in a body of liquid whose level is to be controlled, and a sealed auxiliary compartment is formed as an integral part of the housing and located to be at least partially submerged in the liquid body. A drive motor is coupled to the impeller for rotating the impeller to eject liquid from the main compartment through the exit opening. An electric-field sensor is mounted in the sealed auxiliary compartment for detecting the elevation of the surface of the liquid body adjacent the sealed auxiliary compartment. At least one controllable switch is connected in the power supply line for controlling the supply of power to the drive motor, and the electric-field sensor is connected to the controllable switch for opening and closing the switch in response to changes in the detected elevation of the surface of the liquid body adjacent the outer surface of the sealed auxiliary compartment.
    • 根据本发明的一个实施例,提供了一种潜水泵,其包括形成用于接收泵叶轮并在所述主隔室中具有液体入口和出口的主室的泵壳体,以及安装在主室中的叶轮 。 泵壳体适于浸入液体的主体内,液体的主体将被控制,并且密封的辅助隔室形成为壳体的一体部分并被定位成至少部分地浸没在液体中。 驱动马达联接到叶轮上,用于旋转叶轮以通过出口从主隔室喷出液体。 电场传感器安装在密封的辅助室中,用于检测与密封的辅助隔室相邻的液体的表面的高度。 至少一个可控开关连接在电源线中,用于控制对驱动电机的供电,并且电场传感器连接到可控开关,用于响应于检测到的高程的变化而打开和关闭开关 液体的表面与密封辅助隔室的外表面相邻。