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    • 1. 发明申请
    • I/O SYSTEMS, METHODS AND DEVICES FOR INTERFACING A PUMP CONTROLLER
    • I / O系统,用于接口泵控制器的方法和装置
    • WO2007067354A2
    • 2007-06-14
    • PCT/US2006/045127
    • 2006-11-20
    • ENTEGRIS, INC.CEDRONE, JamesGONNELLA, GeorgeMCLOUGHLIN, Robert, F.
    • CEDRONE, JamesGONNELLA, GeorgeMCLOUGHLIN, Robert, F.
    • H04L12/28
    • G06F13/4027F04B49/065G05B19/042G05B2219/25204G06F13/4282H04L67/12Y02D10/14Y02D10/151
    • Embodiments of the present invention provide I/O systems, methods, and devices for interfacing pump controller(s) with control device(s) which may have different interfaces and/or signaling formats. In one embodiment, an I/O interface module comprises a processor, a memory, and at least two data communications interfaces for communicating with a pumping controller and a control device. The I/O interface module can receive discrete signals from the control device, interpret them accordingly and send the packets to the pump controller. The pump controller reads the packets and takes appropriate actions at the pump. The I/O interface module can interpret packets of data received from the pump controller and assert corresponding discrete signals to the control device. The I/O interface module is customizable and allows a variety of interfaces and control schemes to be implemented with a particular multiple stage pump without changing the hardware of the pump.
    • 本发明的实施例提供用于将泵控制器与可具有不同接口和/或信令格式的控制设备接口连接的I / O系统,方法和设备。 在一个实施例中,I / O接口模块包括处理器,存储器以及用于与泵送控制器和控制装置通信的至少两个数据通信接口。 I / O接口模块可以接收来自控制设备的离散信号,相应解释它们并将数据包发送给泵控制器。 泵控制器读取数据包并在泵上采取适当的措施。 I / O接口模块可以解释从泵控制器接收到的数据包,并向控制设备发出相应的离散信号。 I / O接口模块是可定制的,并允许使用特定的多级泵实现各种接口和控制方案,而无需更改泵的硬件。
    • 6. 发明申请
    • SYSTEM AND METHOD FOR PRESSURE COMPENSATION IN A PUMP
    • 用于泵中的压力补偿的系统和方法
    • WO2007067358A2
    • 2007-06-14
    • PCT/US2006/045175
    • 2006-11-20
    • ENTEGRIS, INC.GONNELLA, GeorgeCEDRONE, James
    • GONNELLA, GeorgeCEDRONE, James
    • B67D5/30
    • F04B49/08F04B13/00F04B49/065F04B51/00F04B2205/03
    • Systems and methods for maintaining substantially a baseline pressure in a chamber of a pumping apparatus are disclosed. Embodiments of the present invention may serve to control a motor to compensate or account for a pressure drift which may occur in a chamber of the pumping apparatus. More specifically, a dispense motor may be controlled to substantially maintain a baseline pressure in the dispense chamber before a dispense based on a pressure sensed in the dispense chamber. In one embodiment, before a dispense is initiated a control loop may be utilized such that it is repeatedly determined if the pressure in the dispense chamber is above a desired pressure and, if so, the movement of the pumping means regulated to maintain substantially the desired pressure in the dispense chamber until a dispense of fluid is initiated.
    • 公开了用于基本维持泵送设备的腔室中的基线压力的系统和方法。 本发明的实施例可用于控制电机以补偿或解决泵送设备的腔室中可能发生的压力漂移。 更具体地,分配电机可以被控制以基于在分配室中感测到的压力在分配之前基本保持分配室中的基线压力。 在一个实施例中,在分配开始之前,可以利用控制回路,使得重复确定分配室中的压力是否高于期望的压力,并且如果是,调节泵送装置的移动以基本上保持期望的 分配室中的压力直到开始分配流体。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR POSITION CONTROL OF A MECHANICAL PISTON IN A PUMP
    • 泵的机械活塞位置控制的系统和方法
    • WO2007061957A2
    • 2007-05-31
    • PCT/US2006/044907
    • 2006-11-20
    • ENTEGRIS, INC.GONNELLA, GeorgeCEDRONE, JamesGASHGAEE, Iraj
    • GONNELLA, GeorgeCEDRONE, JamesGASHGAEE, Iraj
    • F04B49/06
    • F04B49/065F04B13/00F04B17/03F04B43/0081F04B43/02F04B2201/0201F04B2201/1208
    • Embodiments of the systems and methods disclosed herein utilize a brushless DC motor (BLDCM) to drive a singie-stage or a multi-stage pump in a pumping system for real time, smooth motion, and extremely precise and repeatable position control over fluid movements and dispense amounts, useful in semiconductor manufacturing. The BLDCM may employ a position sensor for real time position feedback to a processor executing a custom field-oriented control scheme. Embodiments of the invention can reduce heat generation without undesirably compromising the precise position control of the dispense pump by increasing and decreasing, via a custom control scheme, the operating frequency of the BLDCM according to the criticality of the underlying function(s). The control scheme can run the BLDCM at very low speeds while maintaining a constant velocity, which enables the pumping system to operate in a wide range of speeds with minimal variation, substantially increasing dispense performance and operation capabilities.
    • 本文公开的系统和方法的实施例利用无刷直流电动机(BLDCM)来驱动泵送系统中的单级或多级泵,以便实时,平稳地运动,以及对流体运动进行非常精确和可重复的位置控制, 分配量,用于半导体制造。 BLDCM可以使用位置传感器来实现位置反馈到执行定制的面向场的控制方案的处理器。 本发明的实施例可以通过根据底层功能的关键性,通过自定义控制方案增加和减少BLDCM的工作频率,而不会不期望地损害分配泵的精确位置控制而不发生损害。 该控制方案可以以非常低的速度运行BLDCM,同时保持恒定的速度,这使得泵送系统能够以较小的变化,大幅度增加的分配性能和操作能力在宽范围的速度下运行。