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1. 发明授权

US08381760B2 Stepper motor valve and method of control 有权
标题翻译：步进电机阀和控制方法
公开(公告)号：US08381760B2
公开(公告)日：2013-02-26
申请号：US12172444
申请日：2008-07-14
申请人： Michael C. Santinanavat , William P. Butler , Jagdish Atri , Ryan Jensen
发明人： Michael C. Santinanavat , William P. Butler , Jagdish Atri , Ryan Jensen
IPC分类号： F16K31/12
CPC分类号： F23N1/002 , F16K31/128 , F16K31/402 , F16K31/42 , G05D16/202 , Y10T137/7761 , Y10T137/7764
摘要： A stepper-motor gas valve control is disclosed that includes a main diaphragm in a chamber that controllably displaces a valve relative to an opening in response to changes in pressure, to adjust fuel flow through the valve. A servo-regulator diaphragm is provided to regulate flow to the main diaphragm, to thereby control the rate of fuel flow. A stepper motor is configured to move in a stepwise manner to displace the servo-regulator diaphragm, to control fluid flow to the main diaphragm. A controller mounted on the stepper-motor regulated gas valve control receives and converts an input control signal from a heating system to a reference value between 0 and 5 volts, and selects a corresponding motor step value. The control responsively moves the stepper-motor in a step wise manner to displace the servo-regulator diaphragm and thereby regulates the rate of fuel flow through the valve.
摘要翻译：公开了一种步进电动机气门控制装置，其包括在腔室中的主隔膜，其响应于压力变化可控制地相对于开口移动阀门，以调节通过阀门的燃料流量。提供伺服调节器膜片以调节流向主隔膜的流量，从而控制燃料流量。步进电机被配置为逐步移动以移动伺服调节器膜片，以控制流向主隔膜的流体。安装在步进电动机调节的气体阀控制器上的控制器接收并将来自加热系统的输入控制信号转换为0至5伏特之间的参考值，并选择相应的电机步进值。控制器以逐步方式响应地移动步进电机以移动伺服调节器隔膜，从而调节通过阀门的燃料流量。

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