发明名称 DEVICE TO MEASURE PRESSURE INSIDE PIPELINES MADE OF FERROMAGNETICS
摘要 FIELD: instrument making.SUBSTANCE: proposed device comprises open magnetic core made of magnetically permeable material, excitation winding, two measurement windings connected in series and matched as required to make the elements of magneto-elastic pressure transducer and power supply. Besides, it comprises second magneto-elastic pressure transducer consisting of second open magnetic core made of magnetically permeable material, second excitation winding, second pair of measurement windings connected in series and matched as required and second power supply Note here that it comprises balancing transformer with input, output and extra windings, narrow-band filter, amplifier, detector and compensator of output signal initial level.EFFECT: higher noise immunity in pressure measurements.1 dwg
申请公布号 RU2490611(C1) 申请公布日期 2013.08.20
申请号 RU20120110093 申请日期 2012.03.16
申请人 FEDERAL'NOE GOSUDARSTVENNOE UNITARNOE PREDPRIJATIE "VSEROSSIJSKIJ NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT AVTOMATIKI IM. N.L. DUKHOVA" (FGUP "VNIIA") 发明人 GONCHAROV VASILIJ PAVLOVICH;MOLOCHKOV VIKTOR FEDOROVICH;FILATOV MIKHAIL MIKHAJLOVICH
分类号 G01L9/00 主分类号 G01L9/00
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