Measuring and testing – With fluid pressure – Porosity or permeability
Patent
1986-07-03
1987-06-30
Levy, Stewart J.
Measuring and testing
With fluid pressure
Porosity or permeability
73 377, G01N 1508
Patent
active
046760911
ABSTRACT:
The porosity of a strip of material is continuously computed by causing air to be drawn through the material as the strip moves across a perforated head situated atop a chamber in which the pressure is reduced by suction. In one embodiment, the reduced pressure is held substantially constant while the amount of air drawn through the chamber is measured and the porosity is determined by a computer whose inputs include the measured volume of air flow through the chamber and the speed at which the strip moves across the head, in addition to other inputs. In another embodiment, the volume of air flowing through the chamber is held substantially constant while the pressure in the chamber is measured and used as an input to the computer. In both embodiments, the speed at which the strip moves across the head is employed as a factor in the porosity computation.
REFERENCES:
patent: 4311037 (1982-01-01), Gotchel et al.
Gockel Bernhard
Heins Jens-Peter
Schmidt Holger
Schuster Hans K.
Gessner & Co. GmbH
Greenfield George
Levy Stewart J.
Orenbuch Louis
Roskos Joseph W.
LandOfFree
Method and device for continuous measurement of porosity does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and device for continuous measurement of porosity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for continuous measurement of porosity will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-440916