公开(公告)号：US06529841B2

公开(公告)日：2003-03-04

申请号：US09841783

申请日：2001-04-24

申请人： Andrew J. Cocking ,  Wai Yin Cedric Chan ,  James W. Livingston

发明人： Andrew J. Cocking ,  Wai Yin Cedric Chan ,  James W. Livingston

IPC分类号： G01N2748

CPC分类号： D06F39/004 ,  A47L15/0049 ,  A47L15/0055 ,  A47L15/4297 ,  A47L2401/30 ,  A47L2501/26 ,  G01N27/045 ,  G01N27/06 ,  Y10T137/6977

摘要： A conductivity measurement system provides one or more DC pulses to first and second electrodes submerged in an aqueous solution such as, for instance, the wash water of an industrial dishwasher. The voltage at the first electrode is measured at a sequence of at least three predetermined times after initiation of one of the DC pulse. A non-linear curve fitting function is applied to the sequence of at least three voltage measurements to calculate the voltage at the first electrode at the beginning of the DC pulse(s), commonly denoted as being at time t=0. The resulting calculated voltage at time t=0 is then used to calculate the conductivity of the solution, and/or to control operation of the a chemical dispenser, and/or to perform another predetermined system analysis or system control function. In addition, the difference between two of the measured voltages, such as the first and second measured voltages, is compared to a predetermined threshold value to determine whether the electrodes are so contaminated that polarization compensation is no longer feasible, thereby signaling that the electrodes should be cleaned or replaced.

摘要翻译： 电导率测量系统为浸在水溶液例如工业洗碗机的洗涤水中的第一和第二电极提供一个或多个DC脉冲。 在开始DC脉冲之一后，以至少三个预定时间的顺序测量第一电极处的电压。 将非线性曲线拟合函数应用于至少三个电压测量的序列，以计算在DC脉冲开始处的第一电极处的电压，通常表示为在时间t = 0。 然后使用时间t = 0时产生的计算电压来计算溶液的电导率和/或控制化学分配器的操作和/或执行另一预定系统分析或系统控制功能。 此外，将两个测量电压（例如第一和第二测量电压）之间的差异与预定阈值进行比较，以确定电极是否被污染，使得极化补偿不再可行，从而表明电极应该 被清洁或更换。

公开(公告)号：US08002898B2

公开(公告)日：2011-08-23

申请号：US11960350

申请日：2007-12-19

申请人： Frederik J. Schepers ,  Evert P. Baars ,  Andrew J. Cocking ,  Wai Yin Cedric Chan ,  James W. Livingston

发明人： Frederik J. Schepers ,  Evert P. Baars ,  Andrew J. Cocking ,  Wai Yin Cedric Chan ,  James W. Livingston

IPC分类号： B08B7/00

CPC分类号： D06F33/02 ,  A47L15/0023 ,  A47L15/0049 ,  A47L15/0055 ,  A47L2401/023 ,  A47L2501/07 ,  A47L2501/26 ,  D06F39/004

摘要： A method of determining one or more operational parameters of a washing system having a wash tank to which water and material are added. In one embodiment, the method includes monitoring a concentration of material, which is decreased at least partially due to water being added to the wash tank. The method also includes maintaining the concentration of material by dispensing material into the wash tank during a material dispensing operation. Additionally, the method includes generating a parameter indicative of a rate at which the material is dispensed during the material dispensing operation. The method also includes determining a presence of a water flow abnormality based at least partially on the generated parameter.

摘要翻译： 一种确定具有添加了水和材料的洗涤槽的洗涤系统的一个或多个操作参数的方法。 在一个实施方案中，该方法包括监测材料的浓度，其至少部分地由于加入到洗涤槽中的水而减少。 该方法还包括通过在材料分配操作期间将材料分配到洗涤槽中来保持材料的浓度。 另外，该方法包括产生指示在材料分配操作期间材料被分配的速率的参数。 该方法还包括至少部分地基于所生成的参数确定水流异常的存在。

公开(公告)号：US20090159098A1

公开(公告)日：2009-06-25

申请号：US11960350

申请日：2007-12-19

申请人： Frederik J. Schepers ,  Evert P. Baars ,  Andrew J. Cocking ,  Wai Yin Cedric Chan ,  James W. Livingston

发明人： Frederik J. Schepers ,  Evert P. Baars ,  Andrew J. Cocking ,  Wai Yin Cedric Chan ,  James W. Livingston

IPC分类号： B08B3/08 ,  B08B13/00

CPC分类号： D06F33/02 ,  A47L15/0023 ,  A47L15/0049 ,  A47L15/0055 ,  A47L2401/023 ,  A47L2501/07 ,  A47L2501/26 ,  D06F39/004

摘要： A method of determining one or more operational parameters of a washing system having a wash tank to which water and material are added. In one embodiment, the method includes monitoring a concentration of material, which is decreased at least partially due to water being added to the wash tank. The method also includes maintaining the concentration of material by dispensing material into the wash tank during a material dispensing operation. Additionally, the method includes generating a parameter indicative of a rate at which the material is dispensed during the material dispensing operation. The method also includes determining a presence of a water flow abnormality based at least partially on the generated parameter.

摘要翻译： 一种确定具有添加了水和材料的洗涤槽的洗涤系统的一个或多个操作参数的方法。 在一个实施方案中，该方法包括监测材料的浓度，其至少部分地由于加入到洗涤槽中的水而减少。 该方法还包括通过在材料分配操作期间将材料分配到洗涤槽中来保持材料的浓度。 另外，该方法包括产生指示在材料分配操作期间材料被分配的速率的参数。 该方法还包括至少部分地基于所生成的参数确定水流异常的存在。

公开(公告)号：US07267531B2

公开(公告)日：2007-09-11

申请号：US10680781

申请日：2003-10-06

申请人： Thomas D. Anderson ,  Andrew J. Cocking

发明人： Thomas D. Anderson ,  Andrew J. Cocking

IPC分类号： F04B49/06 ,  B67D5/30

CPC分类号： F04B49/065 ,  F04B43/1253 ,  F04B2203/0201

摘要： A pump system includes a peristaltic pump having a rotor, a motor and a controller. The motor is configured to drive the peristaltic pump so as to deliver a liquid product from a source to a receiving location. The controller monitors a drive current of the motor so as to track rotation of the pump's rotor. The controller counts units of rotation of the pump's rotor, and stops the motor when the counted units of rotation reach a specified target count value.

摘要翻译： 泵系统包括具有转子，马达和控制器的蠕动泵。 马达被配置成驱动蠕动泵，以将液体产物从源输送到接收位置。 控制器监视电机的驱动电流，以跟踪泵转子的旋转。 控制器计算泵转子的旋转单位，当计数的旋转单位达到指定的目标计数值时，停止电机。

公开(公告)号：US20090317311A1

公开(公告)日：2009-12-24

申请号：US12524052

申请日：2008-01-31

申请人： Andrew J. Cocking ,  Michael A. Steed ,  Erik Miller

发明人： Andrew J. Cocking ,  Michael A. Steed ,  Erik Miller

IPC分类号： B01D11/02

CPC分类号： D06F39/026 ,  A47L15/0049 ,  A47L15/0055 ,  A47L15/4436 ,  A47L15/4463 ,  A47L2401/30 ,  A47L2501/07 ,  A47L2501/26 ,  D06F33/02 ,  D06F2202/12 ,  D06F2204/02

摘要： A method of operating a dispensing system having a material delivery cycle. In some embodiments, the material delivery cycle includes supplying water to a receptacle, performing an operation intended to release a material into the water, and delivering the material to a downstream component. The first step of the method is to initiate the material delivery cycle. Next, a conductivity proximate to the receptacle is monitored. Additionally, one or more error conditions are identified during the material delivery cycle based at least partially on the monitored conductivity.

摘要翻译： 一种操作具有材料输送循环的分配系统的方法。 在一些实施例中，材料递送循环包括向容器供水，执行旨在将材料释放到水中的操作，以及将材料输送到下游部件。 该方法的第一步是启动物料输送周期。 接下来，监测靠近容器的电导率。 另外，至少部分地基于所监测的电导率，在材料递送周期期间识别一个或多个错误条件。