DEVICE TO DETERMINE ARTILLERY PIECE MULTI-BARREL GUN BARREL WEAR Russian patent published in 2013 - IPC G01N3/56 

FIELD: weapons and ammunition.

SUBSTANCE: proposed device comprises first and second transducers secured spaced apart directly at the barrel, shell velocity metre, differentiating circuit, signal generators, shift register, 1^st, 2^nd, 3^rd, 4^th, 5^th and 6^th AND elements, 1^st, 2^nd, 3^rd, 4^th, 5^th and 6^th fire counters, 1^st, 2^nd, 3^rd, 4^th, 5^th and 6^th shell velocity analysers, ADC, memory unit, transmitter and receiver and indicator. Shell velocity analyser consists of the 1^st, 2^nd and 3^rd threshold devices, signal generator and OR element. Fire counter comprises pulse counter, subtractor and signal generator.

EFFECT: longer life.

3 cl, 3 dwg