PRESSURE TRANSDUCER Russian patent published in 2001 - IPC

FIELD: aircraft instrumentation engineering. SUBSTANCE: invention is related to pressure transducers mounted aboard aircraft which can be used in aircraft airborne systems. In correspondence with invention glass bushings and columns are employed in the capacity of connecting elements of electrodes of instrument and reference capacitors with proper structural elements of transducer, air gaps between electrodes and corresponding structural elements of transducer being provided. Electrodes of instrument and reference capacitors are screened one from another by material of lower and upper bases. Mobile electrode of instrument capacitor has diameter 1.2 time smaller than diameter of immobile electrode of same capacitor, current-carrying conductor of mobile electrode is made of springy material, is placed by base of membrane rod and is connected to immobile electrode of reference capacitor. EFFECT: increased precision of measurement of pressure thanks to reduction of spurious capacitance between electrodes and parts of transducer, high vibration stability of transducer in wide range of pressures. 4 dwg