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    • 10. 发明申请
    • ELECTRONIC GAUGE FOR A COMPRESSED GAS CYLINDER
    • 用于压缩气瓶的电子计
    • WO2015063502A1
    • 2015-05-07
    • PCT/GB2014/053246
    • 2014-10-31
    • LUXFER GAS CYLINDERS LIMITED
    • ALLEN, Tim
    • G01F9/00F16K37/00G01L19/12
    • G01F22/02F16K37/00F17C13/025F17C13/026F17C2221/011F17C2250/034F17C2250/0404F17C2250/0473F17C2270/02G01F9/001G01L19/12
    • The compressed gas cylinder (1) is suitable for use in delivering medical gas therapy to ambulatory patients. The compressed gas cylinder (1) has a hollow main body (2) in which therapeutic gas is stored under pressure; a cylinder head (3); a gas outlet (4); and a display (6). The display (6)provides estimates of the time remaining before full depletion of the gas within the cylinder (1). Estimates of the time remaining are based upon estimates of the amount of gas remaining in the gas cylinder (1). However, temperature variation and fluctuations in actual measurements can cause substantial errors when estimating the amount of gas remaining. The improved gas cylinder (1) reduces these errors by calculating time remaining based upon two values for the amount of gas remaining that differ by at least a predetermined minimum.
    • 压缩气瓶(1)适用于向门诊患者输送医疗气体治疗。 压缩气瓶(1)具有中空主体(2),其中处理气体在压力下储存; 气缸盖(3); 气体出口(4); 和显示器(6)。 显示器(6)提供对气缸(1)内的气体全部耗尽之前剩余时间的估计。 剩余时间的估计是基于气瓶(1)中残留的气体量的估计。 然而,当估计剩余气体的量时,实际测量中的温度变化和波动可能导致实质的误差。 改进的气瓶(1)通过基于相差至少预定最小值的气体剩余量的两个值计算剩余时间来减少这些误差。