Importance

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Abstract

The present invention relates to an arrangement for detecting a delivery volume and/or a delivery flow, with a discontinuously operating pump (1), at least one outlet line (3) and/or one inlet line (2, 2-1, 2-2) and a passive valve (5, 5-1, 5-2), which is arranged in the outlet line (3) or the inlet line (2, 2-1, 2-2) and which has a valve seat (15-1, 15-2) and a valve head (16-1, 16-2), the valve (5, 5-1, 5-2) being closed in a first position of the valve head (16-1, 16-2) and being open in a second position of the valve head (16-1, 16-2) of the valve (5, 5-1, 5-2). The arrangement according to the invention is defined by a sensor (8, 8-1, 8-2), by means of which values can be detected which indicate whether the valve head (16-1, 16-2) is in the first or the second position, and by a computing unit (9) which is coupled to the sensor (8, 8-1, 8-2) and by means of which the volume delivered by the pump (1) and/or the delivery flow of the pump (1) can be calculated on the basis of the detected values of the sensor (8, 8-1, 8-2). The invention relates furthermore, to an extraction system for a plant protective with such an arrangement and to a method for detecting a delivery volume and/or a delivery flow of a discontinuously operating pump, which method can be carried out by this arrangement.

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First Claim