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US 5,303,598 AGranted
Process and apparatus for taking a representative milk sample
AssigneeUltrakust Electronic GmbH
InventorsWilhelm Binder, Gerhard Raudszus
Life of this patent
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Abstract
A process and apparatus are disclosed for taking a representative milk sample during the delivery of a milk charge from one container to another. With respect to the errors encountered in operating peristaltic pumps with different speeds of revolution, the invention predetermines a corrected pumping characteristic as a function of an acceptance characteristic and correspondingly controls the taking of samples.
Claims13
A process for taking a representative milk sample during delivery of a milk charge from a tank into a collecting tank by a feed pump, comprising:
- inputting supplier data and data for the milk charge into a data acquisition unit;
- supplying the inputted data to a means for controlling a sampling means;
- taking the representative milk sample using said sampling means and a peristaltic pump;
- storing delivery capacity of the feed pump as an acceptance characteristic (A) of the milk charge to be accepted;
- storing number of revolutions (n) of the peristaltic pump as a pumping characteristic (P) of the rotary velocity of the peristaltic pump for a volume (z) of the milk sample to be delivered;
- wherein the delivery capacity of the feed pump during the acceptance of the milk charge is defined by the control means as a function of the volume of the milk charge to be accepted in view of the acceptance characteristic (A);
- and
- wherein the number of revolutions of the peristaltic pump is controlled by the control means as a function of the rotary velocity in view of the pumping characteristic (P), and the rotary velocity of the peristaltic pump is defined as a function of the delivery capacity selected with respect to the acceptance characteristic (A).
5 more elements
Dependencies are inferred from the claim text.