发明名称 DEVICE MEASURING FLOW RATE OF GAS
摘要 FIELD: measurement technology. SUBSTANCE: measurement diaphragm is set in through slit between parts of case of device joined into inseparable welded structure with preset centering along axis with the aid of two profile rigid bearing sides. Centering of diaphragm is carries out by means of pulling ring cover with internal conical surface. Cover is mounted for longitudinal movement for access to slit and its end face has bevel for creation of support for installation of new diaphragm. EFFECT: provision for enhanced quality of maintenance in process of operation of device in system of gas pipe-line. 2 dwge
申请公布号 RU2116628(C1) 申请公布日期 1998.07.27
申请号 RU19950121857 申请日期 1995.12.26
申请人 POTEKHIN BORIS NIKOLAEVICH 发明人 POTEKHIN BORIS NIKOLAEVICH
分类号 G01F1/42;G01F15/16;(IPC1-7):G01F1/42 主分类号 G01F1/42
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