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    • 7. 发明申请
    • Method and apparatus for providing a determined ratio of process fluids
    • 用于提供确定的工艺流体比例的方法和装置
    • US20060272703A1
    • 2006-12-07
    • US11504175
    • 2006-08-15
    • John LullWilliam Valentine
    • John LullWilliam Valentine
    • G05D7/06
    • G05D7/0664G05D11/132Y10T137/0324Y10T137/0363Y10T137/0379Y10T137/0396Y10T137/7759Y10T137/7761Y10T137/87249Y10T137/87877
    • A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least one second fluid outlet. The first fluid outlet provides a first predetermined portion of the flow of process fluid, and the at least one second fluid outlet provides the remaining portion of the flow of process fluid. In one embodiment, the control system includes a pressure transducer, first and second multipliers, and first and second flow controllers. The first multiplier multiplies a pressure signal received from the pressure transducer by a first setpoint to control a first flow controller that provides the first predetermined portion of the flow of process fluid. The second multiplier multiplies the pressure signal by a second setpoint to control a second flow controller that provides the remaining portion.
    • 一种流体流动控制系统,其包括用于接收工艺流体流和多个流体出口的流体入口。 多个流体出口包括第一流体出口和至少一个第二流体出口。 第一流体出口提供过程流体流的第一预定部分,并且至少一个第二流体出口提供过程流体流的剩余部分。 在一个实施例中,控制系统包括压力传感器,第一和第二乘法器以及第一和第二流量控制器。 第一乘法器将从压力传感器接收的压力信号乘以第一设定点,以控制提供过程流体流的第一预定部分的第一流量控制器。 第二乘法器将压力信号乘以第二设定点以控制提供剩余部分的第二流量控制器。
    • 9. 发明申请
    • Method and apparatus for providing a determined ratio of process fluids
    • 用于提供确定的工艺流体比例的方法和装置
    • US20070107783A1
    • 2007-05-17
    • US11651231
    • 2007-01-09
    • John LullWilliam Valentine
    • John LullWilliam Valentine
    • G05D7/06
    • G05D7/0664G05D11/132Y10T137/0324Y10T137/0363Y10T137/0379Y10T137/0396Y10T137/7759Y10T137/7761Y10T137/87249Y10T137/87877
    • A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least one second fluid outlet. The first fluid outlet provides a first predetermined portion of the flow of process fluid, and the at least one second fluid outlet provides the remaining portion of the flow of process fluid. In one embodiment, the control system includes a pressure transducer, first and second multipliers, and first and second flow controllers. The first multiplier multiplies a pressure signal received from the pressure transducer by a first setpoint to control a first flow controller that provides the first predetermined portion of the flow of process fluid. The second multiplier multiplies the pressure signal by a second setpoint to control a second flow controller that provides the remaining portion.
    • 一种流体流动控制系统,其包括用于接收工艺流体流和多个流体出口的流体入口。 多个流体出口包括第一流体出口和至少一个第二流体出口。 第一流体出口提供过程流体流的第一预定部分,并且至少一个第二流体出口提供过程流体流的剩余部分。 在一个实施例中,控制系统包括压力传感器,第一和第二乘法器以及第一和第二流量控制器。 第一乘法器将从压力传感器接收的压力信号乘以第一设定点以控制提供过程流体流的第一预定部分的第一流量控制器。 第二乘法器将压力信号乘以第二设定点以控制提供剩余部分的第二流量控制器。