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1. 发明授权

US5146124A Linear drive motor with flexible coupling 失效
标题翻译：具有柔性联轴器的直线驱动电机
公开(公告)号：US5146124A
公开(公告)日：1992-09-08
申请号：US677715
申请日：1991-03-29
申请人： Graham Higham , Niels Young , Alan Weeks , Steven A. Michaud , William Sand
发明人： Graham Higham , Niels Young , Alan Weeks , Steven A. Michaud , William Sand
IPC分类号： F16F7/116 , F25B9/14 , H02K33/00 , H02K33/06 , H02K33/12
CPC分类号： F25B9/14 , F16F7/116 , H02K33/00 , H02K33/06 , H02K33/12 , F25B2309/001 , Y10S417/901
摘要： A linear drive motor of a cryogenic refrigerator, where a reciprocating armature is coupled to a piston which alternately compresses and expands a gaseous fluid in a thermodynamic cycle. The piston has a clearance seal and is attached at one end to a flexible coupling to reduce cross-bearing loads exerted by the piston along the clearance seal. A displacer assembly of the cryogenic refrigerator employs a displacer piston that reciprocates along a clearance seal. The displacer piston is coupled to the displacer cylinder and/or the armature of a displacer drive motor by a flexible coupling that reduces radial forces exerted by the displacer piston on the clearance seal.
摘要翻译：低温冷冻机的线性驱动马达，其中往复式衔铁与活塞相连，活塞在热力循环中交替地压缩和膨胀气态流体。活塞具有间隙密封，并且在一端附接到柔性联接器，以减少由活塞沿着间隙密封施加的横向载荷。低温冷冻机的置换器组件采用沿间隙密封件往复运动的置换器活塞。置换器活塞通过柔性联接器联接到置换器气缸和/或置换器驱动电机的电枢，从而减小由置换器活塞施加在间隙密封上的径向力。

2. 发明申请

US20120324995A1 System and Method For Product Level Monitoring in A Chemical Dispensing System 有权
标题翻译：化学分配系统中产品级监控的系统和方法
公开(公告)号：US20120324995A1
公开(公告)日：2012-12-27
申请号：US13164878
申请日：2011-06-21
申请人： Terry Tincher , William Sand
发明人： Terry Tincher , William Sand
IPC分类号： G01F23/26 , G01D21/00
CPC分类号： D06F39/02 , D06F33/02 , G01F23/243
摘要： A system and method for monitoring the levels of product in a chemical dispensing system. A probe assembly is operatively disposed in a container holding product to be dispensed. A detection circuit including an oscillator sensitive to the impendence coupled to the detector is selectively coupled to the probe assembly and produces a signal in response to the impedance of the probe assembly indicating if the level of product in the container has dropped below the probe assembly. The probe assembly includes conductive probes formed from corrosion resistant material infused with carbon and separated by an angle. The level of the first and second conductive probes is adjustable to provide control over the level of product to be detected. Multiple probe assemblies may be selectively coupled to the detection circuit in a repeating sequence by a multi-probe monitoring unit to allow monitoring of multiple containers by a single remote alarm.
摘要翻译：一种用于监测化学品分配系统中产品水平的系统和方法。探针组件可操作地设置在待分配的容器保持产品中。包括对耦合到检测器的阻抗敏感的振荡器的检测电路选择性地耦合到探针组件，并且响应于探针组件的阻抗而产生信号，指示容器中的产品水平是否已经降到探针组件下方。探头组件包括由耐腐蚀材料注入碳并分开一定角度的导电探头。第一和第二导电探针的电平是可调节的，以提供对待检测产品水平的控制。多个探针组件可以通过多探针监测单元以重复的顺序选择性地耦合到检测电路，以允许通过单个远程警报监视多个容器。

3. 发明授权

US09038455B2 System and method for product level monitoring in a chemical dispensing system 有权
标题翻译：化学分配系统中产品级监控的系统和方法
公开(公告)号：US09038455B2
公开(公告)日：2015-05-26
申请号：US13164878
申请日：2011-06-21
申请人： Terry Tincher , William Sand
发明人： Terry Tincher , William Sand
IPC分类号： G01F23/26 , D06F39/02 , G01F23/24 , D06F33/02
CPC分类号： D06F39/02 , D06F33/02 , G01F23/243
摘要： A system and method for monitoring the levels of product in a chemical dispensing system. A probe assembly is operatively disposed in a container holding product to be dispensed. A detection circuit including an oscillator sensitive to the impendence coupled to the detector is selectively coupled to the probe assembly and produces a signal in response to the impedance of the probe assembly indicating if the level of product in the container has dropped below the probe assembly. The probe assembly includes conductive probes formed from corrosion resistant material infused with carbon and separated by an angle. The level of the first and second conductive probes is adjustable to provide control over the level of product to be detected. Multiple probe assemblies may be selectively coupled to the detection circuit in a repeating sequence by a multi-probe monitoring unit to allow monitoring of multiple containers by a single remote alarm.
摘要翻译：一种用于监测化学品分配系统中产品水平的系统和方法。探针组件可操作地设置在待分配的容器保持产品中。包括对耦合到检测器的阻抗敏感的振荡器的检测电路选择性地耦合到探针组件，并且响应于探针组件的阻抗而产生信号，指示容器中的产品水平是否已经降到探针组件下方。探头组件包括由耐腐蚀材料注入碳并分开一定角度的导电探头。第一和第二导电探针的电平是可调节的，以提供对待检测产品水平的控制。多个探针组件可以通过多探针监测单元以重复的顺序选择性地耦合到检测电路，以允许通过单个远程警报监视多个容器。

4. 发明申请

US20060260704A1 Chemical dispenser 有权
公开(公告)号：US20060260704A1
公开(公告)日：2006-11-23
申请号：US11133044
申请日：2005-05-19
申请人： William Sand
发明人： William Sand
IPC分类号： F04F5/10
CPC分类号： B01F3/0861 , B01F5/0421 , B01F5/043 , B01F2003/0896 , Y10T137/87346 , Y10T137/87595 , Y10T137/87603
摘要： An improved chemical dispenser includes a plurality of eductors for drawing chemical into a diluent to produce an effluent, each eductor of the plurality selectively discharging via a baffle tube into a single common discharge tube. The effluent flow parameters are insufficient to cause effluent from a selected eductor to flow into a chemical source coupled to a non-selected eductor, and are insufficient to draw chemical from a non-selected eductor into the effluent from a selected eductor.

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