GEAR FOR CALIBRATION AND TEST OF GAS METERS Russian patent published in 2001 - IPC

Abstract RU 2169909 C2

FIELD: measurement technology. SUBSTANCE: gear includes thermal control system, pump, discharge tank, pressure tanks, controllable valve and sealed gauging tank linked in series. Salient feature of gear consists in its fitting with heat exchanger and saturator placed into discharge tank and pneumatically coupled via valve to air inlet to gauging tank. EFFECT: increased calibration precision and improved timeliness of operation of gear. 1 dwg

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RU 2 169 909 C2

Authors

Beloshitskij A.P.

Dates

2001-06-27Published

1999-02-17Filed