发明授权
US09587609B2 Thermally volume-neutral stroke transmitter, in particular for metering valve without hydraulic compensator 有权
热容量中性行程变送器,特别是无液压补偿器的计量阀

Thermally volume-neutral stroke transmitter, in particular for metering valve without hydraulic compensator
摘要:
In addition to liquid in a thermal volume-neutral stroke transmitter, first and/or second displacement body(ies) is/are positioned in the stroke transmitter, for displacing the liquid. These three materials in the closed system are designed so that the stroke transmitter remains pressure-free during temperature changes.
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