Patent ID: 7210335

Claim:
A sample chamber for flow porometry, comprising: a movable upper chamber comprising a center bore opening to a bottom of the chamber, at least one port for introduction of gas under pressure to the center bore and a first annular seal around the center bore; a stationary lower seat opposing the upper chamber with a center bore aligned with the upper chamber, comprising an exhaust and a second annular seal around the center bore, wherein a material to be tested is placed between the upper chamber and the lower seat; an actuator for moving the upper chamber, wherein when the upper chamber is moved down with the first annular seal in contact with an upper surface of a sample of the material and the second annular seal in contact with a lower surface of the sample, gas introduced to the upper chamber is constrained to go through the upper chamber and out through the exhaust; and at least one wetting port for introducing wetting liquid to the sample chamber.