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File:Watts First Condenser.jpg

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English: Top frontal view of the first ever Watt condenser which led to the improvement of the Boulton & Watt steam Engines in comparison with their contemporaries.

Steam enters brass condenser at the left. The Steam is forced through the condenser by an air pump (vacuum pump), part of the outer tubing of the later can be seen attached to the steam inlet into the condenser. The steam flows through the input tube down two smaller tubes (not visible) into the false bottom of the condenser which is connected to the integral air pump.

For operation the condenser was filled with water.
Deutsch: Bild des ersten Kondensators von James Watt, mit dem die Effizienzsteigerung eines separaten Kondensators gezeigt wurde.

Funktionsweise: Der Dampf kommt durch das links herausragende Rohr in den Kondensator. Durch eine in den Kondensator eingebaute Vakuumpumpe wird der Dampf durch den Kondensator gesogen. Bei dieser Ausführung ist das äußere Rohr der Vakuumpumpe mechanisch, links am Dampf-Eingangsrohr befestigt und im Foto teilweise zu sehen, der Kolben der Vakuumpumpe fehlt. Der Dampf gelangt vom Eingangsrohr in zwei dünnere, senkrechte Rohre (nicht sichtbar), die im doppelten Boden des Kondensators wieder vereinigt werden. Der Hohlraum des Bodens ist mit der Vakuumpumpe verbunden.

Während des Betriebs ist der Kondensator mit Wasser gefüllt.
Date
Source Own picture of Watts first condensor at the Science Museum, London.
Author Dr. Mirko Junge

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