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    • 2. 发明授权
    • Pump control and method
    • 泵控制和方法
    • US08920131B2
    • 2014-12-30
    • US12966454
    • 2010-12-13
    • Randal S. Aspen
    • Randal S. Aspen
    • F04D15/02F04B49/02F04B49/06F04D15/00
    • F04B49/065F04B2205/01F04B2205/09F04D15/0005F04D15/0011F04D15/0218
    • A pump control (20) and method are provided for controlling a pump (16) for a pressurized liquid supply system (10). The pump control (20) includes a controller (38) configured to provide at least two selectable modes of pump operation as follows: a flow start mode wherein the controller (38) starts the pump (16) in response to a desired start flow rate of the liquid in the system (10) and stops the pump (16) in response to a desired stopping low flow rate of the liquid in the system; and a pressure start mode wherein the controller (38) starts the pump (16) in response to a desired start pressure of the liquid in the system (10) and stops the pump (16) in response to the desired stopping low flow rate.
    • 提供一种用于控制加压液体供应系统(10)的泵(16)的泵控制(20)和方法。 泵控制器(20)包括控制器(38),其被配置为如下提供至少两种可选择的泵操作模式:流动启动模式,其中控制器(38)响应于期望的启动流量启动泵(16) 的系统(10)中的液体,并且响应于系统中液体的期望的停止低流量而停止泵(16); 以及压力启动模式,其中控制器(38)响应于系统(10)中的液体的期望启动压力启动泵(16),并响应于期望的停止低流量停止泵(16)。
    • 3. 发明申请
    • Pump Control and Method
    • 泵控制和方法
    • US20120148419A1
    • 2012-06-14
    • US12966454
    • 2010-12-13
    • Randal S. Aspen
    • Randal S. Aspen
    • F04B49/00
    • F04B49/065F04B2205/01F04B2205/09F04D15/0005F04D15/0011F04D15/0218
    • A pump control (20) and method are provided for controlling a pump (16) for a pressurized liquid supply system (10). The pump control (20) includes a controller (38) configured to provide at least two selectable modes of pump operation as follows: a flow start mode wherein the controller (38) starts the pump (16) in response to a desired start flow rate of the liquid in the system (10) and stops the pump (16) in response to a desired stopping low flow rate of the liquid in the system; and a pressure start mode wherein the controller (38) starts the pump (16) in response to a desired start pressure of the liquid in the system (10) and stops the pump (16) in response to the desired stopping low flow rate.
    • 提供一种用于控制加压液体供应系统(10)的泵(16)的泵控制(20)和方法。 泵控制器(20)包括控制器(38),其被配置为如下提供至少两种可选择的泵操作模式:流动启动模式,其中控制器(38)响应于期望的启动流量启动泵(16) 的系统(10)中的液体,并且响应于系统中液体的期望的停止低流量而停止泵(16); 以及压力启动模式,其中控制器(38)响应于系统(10)中的液体的期望启动压力启动泵(16),并响应于期望的停止低流量停止泵(16)。
    • 4. 发明授权
    • Valve controlled spraying system
    • 阀控喷雾系统
    • US06189807B1
    • 2001-02-20
    • US09515234
    • 2000-02-29
    • Fred A. MillerRandal S. Aspen
    • Fred A. MillerRandal S. Aspen
    • B05B900
    • F16L39/00A01M7/0089B05B9/0423B05B12/04Y10T137/86646
    • A spraying system having a control valve with an inlet port for connection to a liquid supply, a discharge port for connection to a spray nozzle, and a return port for connection to the liquid supply. The control valve includes a valve member which has a liquid flow passageway and is movable between an open position in which the liquid flow passageway communicates between the inlet and discharge ports for permitting the direction of pressurized liquid to the spray nozzle and a second position which prevents the flow of pressurized liquid to the discharge port. The spray nozzle has an associated pressure responsive check valve for preventing the flow of liquid to the spray nozzle, and hence for preventing drippage, upon movement of the control valve member to the off position. To accelerate actuation of the check valve, and hence, minimize undesired drippage and dribbling from the spray nozzle, the control valve member is formed with a relief passage separate from the liquid flow passage which upon movement of the control valve member to the off position communicates between the discharge and return ports for bleeding liquid downstream of the control valve to the return port and more rapidly lowering downstream line pressure and actuating the check valve.
    • 一种具有控制阀的喷射系统,所述控制阀具有用于连接到液体供应的入口端口,用于连接到喷嘴的排出口以及用于连接到液体供应源的返回端口。 所述控制阀包括阀构件,所述阀构件具有液体流动通道,并且可在打开位置之间移动,在所述打开位置中,所述液体流动通道在所述入口和排出口之间连通,以允许加压液体到所述喷嘴的方向;以及第二位置, 加压液体流到排放口。 喷嘴具有相关联的压力响应止回阀,用于防止液体流到喷嘴,并且因此用于在控制阀构件移动到关闭位置时防止滴落。 为了加速止回阀的动作,并且因此最小化不期望的滴水和从喷嘴喷出的滴液,控制阀构件形成有与液体流动通道分开的释放通道,当液体流动通道被控制阀构件移动到关闭位置时, 在排放和返回端口之间,用于使控制阀下游到返回端口的出血液体,并且更快速地降低下游管路压力并致动止回阀。