会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 8. 发明申请
    • IMPROVEMENTS IN LIQUEFIED GAS DISPENSING
    • 液化气配方的改进
    • WO1991014130A1
    • 1991-09-19
    • PCT/AU1991000075
    • 1991-03-05
    • LPG ENGINEERING PTY. LTD.CLARK, John, KeithPAHL, Ronald, Edwin
    • LPG ENGINEERING PTY. LTD.
    • F17C13/02
    • F17C13/02F17C7/02F17C2205/0326F17C2205/0335F17C2205/0341F17C2221/035F17C2223/0153F17C2223/033F17C2250/032F17C2250/0447G01F23/265G01F23/266
    • A vapour eliminator and liquified gas dispensing system comprising a vessel (10) which is connected to receive liquified gas from a supply. The vessel (10) has a vapour discharge line (12) connected to the top (51) of the vessel so that vapour can be discharged. Sensing means (50) has a capacitive element (70) located in the top (51) of the vessel and which changes its capacitance in response to change in the phase of material in the vessel (10) to which the capacitive element (70) is exposed. The sensing means (50) generates phase signals in response to changes of the capacitance of the element (70) whereby the phase signals can be utilised to open or close the vapour discharge line (12) at the beginning or end of a vapour elimination operation respectively. The sensing circuit (65) may comprise an oscillator circuit (58) of which the capacitive element (70) is a component determining the frequency of the oscillator circuit, and a frequency responsive circuit (59) operative to produce an output signal in response to a predetermined change of the oscillator frequency. Alternatively, the sensing circuit (65) may comprise a bridge circuit supplied by an AC source, the capacitive element (70) being located in an arm of the bridge circuit whereby a change in reactance of the arm of the bridge within which the capacitive of element is located causes a change in the output of the bridge circuit thereby causing generation of the phase signal. Alternatively, the sensing circuit (65) may include a pulse generator (71), the characterisation of the pulse train depending on the capacitance of the element (70).
    • 蒸汽消除器和液化气体分配系统,包括容器(10),其连接以从供应源接收液化气体。 容器(10)具有连接到容器的顶部(51)的蒸汽排放管线(12),从而可以排出蒸气。 感测装置(50)具有位于容器的顶部(51)中的电容元件(70),并且响应于电容元件(70)中的容器(10)中的材料的相位变化而改变其电容, 被暴露。 感测装置(50)响应于元件(70)的电容的变化而产生相位信号,由此可以在蒸气消除操作的开始或结束时利用相位信号来打开或关闭蒸气排放管线(12) 分别。 感测电路(65)可以包括振荡器电路(58),其中电容元件(70)是确定振荡器电路的频率的分量;以及频率响应电路(59),其响应于 振荡器频率的预定变化。 或者,感测电路(65)可以包括由AC源提供的桥接电路,电容元件(70)位于桥接电路的臂中,由此桥的臂的电抗变化,其中电容 元件位置导致桥式电路的输出变化,从而导致相位信号的产生。 或者,感测电路(65)可以包括脉冲发生器(71),根据元件(70)的电容来表征脉冲串。