DIFFUSION SLUICE Russian patent published in 2010 - IPC G01M3/02 

FIELD: physics.

SUBSTANCE: diffusion sluice has a housing with inlet and outlet channels. In the outlet channel there is a support shoulder on which a permeable membrane is tightly attached by a pressure ring. According to the invention, between the pressure ring and the permeable membrane there is a gas condenser in contact with the surface of the said membrane and having an opening in form of a capillary between the pressure ring and the permeable membrane. On the contact surface of the condenser there is a defined unevenness or there is a net between the gas condenser and the permeable membrane.

EFFECT: more reliable and accurate monitoring of air-tightness, broader functional capabilities, simple design, simple and cheap process of calibrating leak detection systems.

8 cl, 1 dwg