Method and device for determining a foam density
AssigneeKrones AG
InventorStefan Piana
Life of this patent
Estimating the term…
Abstract
Method and device for determining a foam density of foam in beverage containers utilizing the Tyndall effect, and having a focused light bundle emitted into the foam by means of a light source, where the light bundle is refracted in the foam and a scattered ray becomes visible on a surface of the foam. Via a measurement of the contour of such a light spot, conclusions on the foam density can be drawn. For this, one or several lasers can be integrated into existing filling level measuring means which are coupled to the already existing measuring means.
Claims16
Method for determining the foam density of foam, which is formed such as directly after a liquid has been filled into a container or before the subsequent closing of the container, comprising irradiating a light beam into the foam, and determining the contour of a light spot generated in the foam by the light beam.
Device for determining the foam density of foam which is formed directly after a liquid has been filled into a container or before the container is subsequently closed, comprising a light source and a measuring device disposed laterally in the area of the containers, the light source emits a light beam into the foam, and the measuring device is designed such that it can detect the contour of a light spot generated in the foam by the light beam.
Dependencies are inferred from the claim text.