DEVICE FOR ARTICLES COMPARTMENT TIGHTNESS INDEPENDENT CHECKING Russian patent published in 2025 - IPC F16K17/00 F16K31/40 F17C5/00 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to mechanical engineering, particularly, to pneumatic systems for tightness control in inflating and discharging compressed gases and may be used in production and repair. Products compartment tightness autonomous testing device contains discharge valves, automatic pressure controls, automatic pressure sensors, discharge valves are mechanical and electro-pneumatic pressure relief valves, wherein electropneumatic valve is additionally made, valve configured to supply gas to the product and sealing during the verification process, a meter-regulator connected to automatic pressure sensors and configured to supply control signals to the meter-regulator contacts closing/opening, connected to said electro-pneumatic valves, first of which is made with possibility to supply air into article, and the second is configured to release pressure when a predetermined pressure is exceeded, an automatic circuit breaker and a time relay.

EFFECT: self-contained operation.

5 cl, 2 dwg