Patent ID: 7762273
Filing Date: 2010-07-27
Classification: F16K,Y10T

Abstract:
1. A venting device that can be connected to a tank, wherein the tank exhibits an internal chamber containing a first fluid and a second fluid, wherein the device comprises: a first venting path suitable for joining the internal chamber of the tank to the outside; first intercepting means, set along the first venting path, which are suitable for going from an open configuration, wherein said first intercepting means allow the first fluid to pass from the chamber inside the tank to the outside, to a closed configuration, wherein said first intercepting means close the first path, a second venting path, which is suitable for joining the internal chamber of the tank to the outside; second intercepting means, set along the second venting path, which are suitable for going from a closed configuration, wherein said second intercepting means close the second passage, to an open configuration, wherein said second intercepting means allow the second fluid to pass from the chamber inside the tank to the outside, the device being characterised in that the first intercepting means can be influenced by the second fluid to go from the open configuration to the closed configuration.