GAS OR LIQUID FLOWMETER-COUNTER Russian patent published in 1997 - IPC

FIELD: measuring instruments for domestic and medical uses. SUBSTANCE: flowmeter comprises inlet connection pipe 1, inlet deflector 2, lower screw-sleeve 3 for fixation of string, auxiliary nozzles 4, base plate 5 of working tubular nozzle, tubular nozzle flange 6, string 7, working tubular nozzle 8, stopping core 9, turbine working blade 10, upper plain bearing 11, damping cup 12, hood 13, upper screw 14 for fixation of string, outlet deflector 15, thermoresistive frequency converter 16, electronic frequency meter 17, electromechanical pulse counter 18, reduced pressure chamber 19, circulating-damping positive pressure chamber 20, elevated pressure chamber 21, base plate spider hub 22, auxiliary blade 23, conical damping skirt 24, cylindrical part 25 of turbine framework, conical disc 26, profiled port 27 of turbine, conical crown 28, peripheral part 29 of conical disc, leading edge 30 of working blade, lower plain bearing 31, turbine sleeve 32, inner edge 33 of conical damping skirt, damping cup slit 34, damping cup rods 35, damping cup spider hub 36, nut 37, openings 38 for fixing cup, openings 39 for fixing outlet deflector, holder spider jumper 40, admission cup ports 41. A is curve characterizing ideal flowmeter, B is generalized standard characteristic of conventional flowmeters, C is output parameters of proposed invention. EFFECT: improved design. 4 cl, 6 dwg