DEVICE FOR DETERMINING AIR-TIGHTNESS AT STRENGTH TESTS Russian patent published in 2015 - IPC G01M3/26 

FIELD: testing equipment.

SUBSTANCE: device for determining air-tightness at strength tests, in which the test product is placed, comprises a source of the test medium, pipelines of supply and discharge of the test medium into the product and from it, the regulating valves in the pipelines of supply of the test medium to the product, the programmed controller, the sensors of pressure and temperature, the sensor of position of the closure body of the second regulating valve, the setting device of the critical ratio of pressure, the first and second dividers, the comparison unit, the integrator, the calculator, the timer, the lines of connection of functional elements required to ensure operating capacity of the device.

EFFECT: ability to determine air-tightness of the objects in each test cycle without distortion of loading programs, substantial simplification of the design of the test stand, reduction of the required production areas for the stand location, increase in the level of safety of testing.

2 dwg