Importance

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Abstract

A flow limiter for limiting a volumetric flow through a liquid line, comprising a carrier having a passage and a flat spring attached to the carrier. The flat spring has a spring tongue and the passage has an opening, wherein the spring tongue is above the opening such that the spring tongue increasingly lies against the carrier as differential pressure rises, thereby reducing the opening and continuously reducing the passage within a defined pressure range. A body is arranged upstream of the spring tongue, or the spring tongue is oriented in the flow direction so that the spring tongue offers a direct contact surface to a substantially reduced flow cross-section. Thus the spring tongue is deflected, or rested against the carrier, to a lesser extent at low differential pressure values so that at a low differential pressure, a constant volumetric flow rate and an expanded operating range having a constant volumetric flow rate is achieved.

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First Claim