Importance

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Abstract

The invention relates to a ball collector for a device for returning balls for the cleaning of the tubes of cooling systems operated with a fluid, namely water, comprising a casing which is subdivided into an upper chamber with an inlet for the balls and a lower chamber with an outlet for the balls, in which between the upper and the lower chambers is provided an opening which can be closed by a movable flap in the closed position thereof and can be opened in the open position thereof, the upper chamber having a strainer screen being connected to the lower chamber by a bypass line having a pump, through which water can be pumped from the upper chamber into the lower chamber. To simplify the necessary drives and the associated controls for the ball collector, the flap of the ball collector is so arranged and pivotably mounted such that it can be moved from its open position to its closed position and vice versa by the water flow being caused by the pump in the bypass line, so that the flap assumes its closed position when the pump is switched on and its open position when the pump is switched off.

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First Claim