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一种超声波与膜式复合计量燃气表
InventionUnknown
10Claims · 1 independent
§ Ⅰ
Dossier Overview
Inventor
李杨; 刘亚旗; 陈文
Filing Date
Aug 19, 2026
Publication Date
Oct 20, 2026
IPC Classification
G01F 15/00 (2006.01)G01F 15/12 (2006.01)G01F 1/667 (2022.01)G01F 11/08 (2006.01)
本发明公开了一种超声波与膜式复合计量燃气表,本发明涉及燃气表技术领域。通过依托燃气随动组件与防倒流组件的联动复位机制,在燃气关闭、流速归零或出现倒流趋势时,可快速将活动挡板复位至第二弧形燃气通道与第一弧形燃气通道完全错位的封闭状态,有效阻断燃气反向流通,避免倒流燃气携带杂质、冷凝液污染膜式计量皮膜、腐蚀超声波计量传感器,保障双计量系统长期稳定运行,同时整体采用纯机械结构,无易损电子驱动部件,故障率低、耐用性强,通过稳压、防倒流、过滤、自清洁一体化设计,最大限度降低燃气波动、杂质侵蚀、倒流冲击等因素对计量机构的干扰与损伤,使超声波计量与膜式计量长期保持高精度工作状态。
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