SYSTEM FOR MAINTAINING PRESSURE IN RESERVOIR Russian patent published in 2016 - IPC F17C7/00 G05D16/00 

FIELD: space.

SUBSTANCE: invention relates to space engineering and is used to provide and automatically maintain excess gas pressure in thin-walled reservoirs, for example in fuel tanks of carrier rockets at transportation to launchers of ground start complexes. System for maintaining pressure in the reservoir includes a pneumatic line of supercharging coupled with a pressure gauge, pneumatic lines of drainage and measurements. Supercharging pneumatic line includes series-connected by pipelines: a receiver, an electric pneumatic valve, filters installed before and after the receiver, a service washer. Drainage pneumatic line coupled with the pressure gauge includes an electropneumatic valve with series-connected valve gate, parallel-installed safety valve and valve gates. Measurement line comprises pressure sensors connected in parallel. Herewith in the supercharging pneumatic line a valve gate is installed before the electropneumatic valve, as well as the supercharging pneumatic line includes a parallel bypass line with a valve gate installed in it, herewith the supercharging and the drainage pneumatic lines are interconnected by means of a valve gate.

EFFECT: technical result is improved reliability and expanded operating performance of the system.

1 cl, 1 dwg