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1. 发明授权

US06763843B1 Automatically switching valve with remote signaling 失效
标题翻译：使用远程信号自动切换阀门
公开(公告)号：US06763843B1
公开(公告)日：2004-07-20
申请号：US10339686
申请日：2003-01-08
申请人： William H. Dickerson, Jr. , Paul D. Primrose
发明人： William H. Dickerson, Jr. , Paul D. Primrose
IPC分类号： G05D1100
CPC分类号： G05B9/02 , F17C13/045 , F17C2205/013 , F17C2205/0326 , F17C2205/057 , F17C2225/0153 , F17C2227/042 , F17C2250/032 , F17C2250/034 , F17C2250/043 , F17C2250/0478 , F17C2250/072 , F17C2260/015 , Y10T137/0318 , Y10T137/0379 , Y10T137/2569 , Y10T137/8326
摘要： A programmable circuit detects drop in pressure of a supplied pressurized gas below a predetermined threshold pressure and automatically switches to a different supply of pressurized gas and automatically contacts a remotely located host computer. The circuit sends status data to the host computer and enters a server mode in which the circuit performs commands issued by the host computer. The commands include commands to change data of the programmable circuit and to download new programming. The predetermined threshold pressure is established by manually setting the supplied pressurized gas to a desired pressure and causing the programmable circuit to measure the pressure of supplied gas and to store the measured pressure as the threshold pressure.
摘要翻译：可编程电路检测供给的压缩气体的压力下降到低于预定阈值压力，并自动切换到不同的加压气体供应并自动接触位于远程的主计算机。该电路将状态数据发送到主计算机并进入服务器模式，其中该电路执行主计算机发出的命令。这些命令包括改变可编程电路的数据和下载新编程的命令。通过将供应的加压气体手动设定到期望的压力并使可编程电路测量供应的气体的压力并将测量的压力存储为阈值压力来建立预定阈值压力。

2. 发明授权

US06536456B2 Automatically switching valve with remote signaling 失效
公开(公告)号：US06536456B2
公开(公告)日：2003-03-25
申请号：US09828696
申请日：2001-04-06
申请人： William H. Dickerson, Jr. , Paul D. Primrose
发明人： William H. Dickerson, Jr. , Paul D. Primrose
IPC分类号： G05D1100
CPC分类号： F17C13/045 , F17C2205/013 , F17C2205/0326 , F17C2205/057 , F17C2225/0153 , F17C2227/042 , F17C2250/032 , F17C2250/034 , F17C2250/043 , F17C2250/0478 , F17C2250/072 , F17C2260/015 , G05B9/02 , Y10T137/0379 , Y10T137/2567 , Y10T137/2569 , Y10T137/7761
摘要： A programmable circuit detects drop in pressure of a supplied pressurized gas below a predetermined threshold pressure and automatically switches to a different supply of pressurized gas and automatically contacts a remotely located host computer. The circuit sends status data to the host computer and enters a server mode in which the circuit performs commands issued by the host computer. The commands include commands to change data of the programmable circuit and to download new programming. The predetermined threshold pressure is established by manually setting the supplied pressurized gas to a desired pressure and causing the programmable circuit to measure the pressure of supplied gas and to store the measured pressure as the threshold pressure.

3. 发明授权

US5868162A Automatically switching valve with remote signaling 失效
标题翻译：使用远程信号自动切换阀门
公开(公告)号：US5868162A
公开(公告)日：1999-02-09
申请号：US810575
申请日：1997-03-03
申请人： William H. Dickerson, Jr.
发明人： William H. Dickerson, Jr.
IPC分类号： E03B7/07 , F17C13/02 , F17C13/04
CPC分类号： F17C13/045 , F17C13/025 , F17C2205/0326 , F17C2205/0338 , F17C2223/0123 , F17C2223/033 , F17C2223/035 , F17C2227/042 , F17C2250/034 , F17C2250/043 , F17C2250/0626 , F17C2250/072 , Y10T137/2569 , Y10T137/7761 , Y10T137/8326
摘要： An automatically switching valve measures pressure at an outlet line using an electric, pressure-sensitive switch which can be set to close at a predetermined pressure threshold within relatively narrow tolerances such that a pressure regulator can be placed between the pressurized gas supply tanks and the switching valve. Closing of the pressure-sensitive switch in response to the drop in pressure below the predetermined threshold sends an electric signal to a relay. In response to the electric signal, the relay causes a different inlet line to be selected, thus changing the particular pressurized gas supply from which the outlet line receives pressurized gas. When gas is supplied through a first inlet line, an electric signal from the pressure-sensitive switch causes the relay to toggle to supply gas through a second inlet line. A subsequent signal from the pressure-sensitive switch causes the relay to toggle back to again supply gas through the first inlet line. No manual resetting of the switching valve according to the present invention is required. The electric signal of the pressure-sensitive switch also triggers a remote signaling device to signal a remote location. For example, the electric signal can trigger dialing of a predetermined telephone number by an automatic dialer. When connected to the remote location, the dialer can transmit a predetermined message which uniquely identifies a particular pressurized gas dispensing installation as the installation in which an empty pressurized-gas supply is detected.
摘要翻译：自动切换阀使用电压敏开关来测量出口管路处的压力，该开关可以在相对窄的公差内被设定为以预定压力阈值关闭，使得压力调节器可以放置在加压气体供应罐和开关阀。响应于低于预定阈值的压力下降，压敏开关的闭合将电信号发送到继电器。响应于电信号，继电器导致不同的入口管线被选择，从而改变特定的加压气体供应，出口管路从该气体供应部分接收加压气体。当通过第一入口管线供应气体时，来自压力敏感开关的电信号使得继电器切换以通过第二入口管线供应气体。来自压力敏感开关的后续信号使继电器回到再次通过第一入口管线供应气体。不需要根据本发明的切换阀的手动复位。压敏开关的电信号也触发远程信号装置发信号通知远程位置。例如，电信号可以通过自动拨号器触发拨打预定的电话号码。当连接到远程位置时，拨号器可以发送唯一地识别特定加压气体分配装置的预定消息作为其中检测到空的加压气体供应的装置。

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