METHOD AND DEVICE FOR CHECKING SAFETY OF DRAINS OF FLAMMABLE LIQUIDS ON AIRCRAFT Russian patent published in 2024 - IPC B64F5/60 G01M3/02 

FIELD: testing technology.

SUBSTANCE: invention relates to aircraft testing. Device for checking safety of drains of flammable liquids on an aircraft comprises a control and display unit (1), a switching and monitoring unit (2), aircraft objective control system (3) and a system for supplying coloring liquid to drainage points of flammable liquids on the aircraft. Dyeing liquid supply system comprises a cylinder with coloring liquid (5), a cylinder with gas-air mixture (4) and a cylinder with solvent (6), which are connected by pipelines. Cylinder with coloring liquid (5) is connected by a pipeline to a drainage point. Solvent (6) cylinder is connected to coloring liquid (5) cylinder via a pipeline. Cylinder with gas-air mixture (4) is connected by pipelines with cylinder with coloring liquid (5) and with cylinder with solvent (6) with possibility of displacement of coloring liquid and solvent under pressure of gas-air mixture to drain point.

EFFECT: reduced labor input and reduced test time.

13 cl, 3 dwg