SYSTEM OF FUELLING LEVEL MEASUREMENT Russian patent published in 2011 - IPC G01F23/26 

FIELD: instrument making.

SUBSTANCE: system of fuelling level measurement includes at least the following parts: board part, comprising: board capacitance sensors of liquid level inside tank; board level gauges (BLG), one per each tank to convert analogue signal of fluid level from sensors into digital value and for transfer to surface part. Besides, system comprises board cable network to connect elements of system, surface part, comprising panel of system operator; surface cable network for connection of system elements. Specified capacitance sensors inside tank are located in each tank in tripled version. Each single capacitance sensor inside tank comprises sensor frame, working section and compensation section. At that specified capacitance sensors inside tank have efficient electric capacity of 1-24 picofarad. Board lever gauges convert analogue signal into digital one with application of gamma-delta logic. Each compensation section is arranged in tank below according working one. Liquid lever sensor may be combined into a single device with temperature sensor or fuel consumption control system level gauge (FCCSLG) with sensors of capacitance type. FCCSLG sensors may be connected according to matrix arrangement. Information on level from BLG may be sent in parallel into board automated control system (BACS) by approved protocol. Panel of system operator may be additionally equipped with source of uninterrupted power supply, printer, connection cables.

EFFECT: improved stability of readings, reduced weight and dimensional characteristics of sensors, increased accuracy of measurements.

9 cl, 7 dwg