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    • 1. 发明授权
    • Reciprocating pump with linear displacement sensor
    • 具有线性位移传感器的往复泵
    • US06168387A
    • 2001-01-02
    • US09429184
    • 1999-10-28
    • Stephen D. AbleJoseph L. MelocheGordon M. Schroeder
    • Stephen D. AbleJoseph L. MelocheGordon M. Schroeder
    • F04B4900
    • F04B15/02F04B2201/0201F05C2253/12
    • A reciprocating pump having an active feedback system is provided. The reciprocating pump includes a reciprocating pump having a pump chamber with a rod reciprocally movable along a longitudinal axis of the pump chamber, with the rod including a ferromagnetic material. An induction coil disposed around the rod wherein relative axial movement between the inductance coil and the ferromagnetic material of the rod varies the inductance of the induction coil. Also provided is a reciprocating pump having an active feedback system in which the rod has an electrically conductive, diametrically tapered portion. A linear displacement sensor is disposed next to the tapered portion which induces a current in the tapered portion and generates an output voltage proportional to a relative position between the linear displacement sensor and the tapered portion.
    • 提供了具有主动反馈系统的往复泵。 往复泵包括往复式泵,该往复泵具有泵室,该泵室具有沿着泵室的纵向轴线可往复运动的杆,该杆包括铁磁材料。 设置在杆周围的感应线圈,其中电感线圈和杆的铁磁材料之间的相对轴向运动改变感应线圈的电感。 还提供了具有主动反馈系统的往复泵,其中杆具有导电的直径锥形部分。 线性位移传感器设置在锥形部分的旁边,其在锥形部分中引起电流,并产生与线性位移传感器和锥形部分之间的相对位置成比例的输出电压。
    • 3. 发明授权
    • Active feedback apparatus and air driven diaphragm pumps incorporating same
    • 主动反馈装置和包含其的气动隔膜泵
    • US06280149B1
    • 2001-08-28
    • US09428945
    • 1999-10-28
    • Stephen D. AbleJoseph L. Meloche
    • Stephen D. AbleJoseph L. Meloche
    • F04B4900
    • F04B43/0736F04B2201/0201
    • A diaphragm pump having an active feedback system is provided. The diaphragm pump includes a diaphragm pump having a housing including a pumping cavity. The pump cavity having at least one diaphragm dividing the pumping cavity into a first pumping chamber and a first pump actuating chamber. A rod is attached to and reciprocally movable along an axis with the at least one diaphragm with the rod including a ferromagnetic material. An induction coil disposed around the rod wherein relative axial movement between the inductance coil and the ferromagnetic material of the rod varies the inductance of the induction coil. Also provided is a diaphragm pump having an active feedback system in which the rod has an electrically conductive, diametrically tapered portion. A linear displacement sensor is disposed next to the tapered portion which induces a current in the tapered portion and generates an output voltage proportional to a relative position between the linear displacement sensor and the tapered portion.
    • 提供了具有主动反馈系统的隔膜泵。 隔膜泵包括隔膜泵,其具有包括泵送腔的壳体。 所述泵腔具有至少一个将所述泵送腔分成第一泵送室和第一泵致动室的隔膜。 杆沿着轴线附接并且可沿着轴线往复移动,其中所述至少一个隔膜与杆包括铁磁材料。 设置在杆周围的感应线圈,其中电感线圈和杆的铁磁材料之间的相对轴向运动改变感应线圈的电感。 还提供了一种具有主动反馈系统的隔膜泵,其中杆具有导电的直径锥形部分。 线性位移传感器设置在锥形部分的旁边,其在锥形部分中引起电流,并产生与线性位移传感器和锥形部分之间的相对位置成比例的输出电压。
    • 5. 发明授权
    • Diaphragm failure sensing apparatus and diaphragm pumps incorporating same
    • 膜片故障检测装置和并入其的隔膜泵
    • US06190136B1
    • 2001-02-20
    • US09385715
    • 1999-08-30
    • Joseph L. MelocheKevin C. Stuart
    • Joseph L. MelocheKevin C. Stuart
    • F04B4900
    • F04B43/009
    • A diaphragm failure sensing apparatus for use in a diaphragm pump having at least two pumping cavities, each pumping cavity having a fluid chamber and a motive gas chamber separated by a pumping diaphragm. The diaphragm failure sensing apparatus includes a fluid conduit for connection with each of the motive gas chambers of the diaphragm pump, a sensor chamber connected to the fluid conduit, and a check valve located in the fluid conduit for alternately connecting the sensor chamber to the motive gas chambers. Also provided is a diaphragm pump having at least two pumping cavities, each pumping cavity having a fluid chamber and a motive gas chamber separated by a pumping diaphragm. A fluid conduit is disposed between and connected individually to each of the motive gas chambers and a sensor chamber is connected to the fluid conduit which is alternately connected to the motive gas chambers by a check valve located in the fluid conduit.
    • 一种用于具有至少两个泵送腔的隔膜泵的隔膜故障检测装置,每个泵腔具有流体室和由泵膜隔开的运动气室。 隔膜故障检测装置包括用于与隔膜泵的每个运动气室连接的流体导管,连接到流体导管的传感器室和位于流体导管中的止回阀,用于将传感器室交替地连接到动力 气室。 还提供了一种隔膜泵,其具有至少两个泵送腔,每个泵腔具有流体室和由泵膜隔开的运动气室。 流体管道设置在每个运动气体室之间并且分别连接到每个运动气体室,并且传感器室连接到流体导管,该流体导管通过位于流体导管中的止回阀交替地连接到运动气体室。