Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes
F22B21/14—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes involving a single upper drum and two or more lower drums
Schmiedeeiserner Gliederkessel, dessen Querglieder aus zu beiden Seiten des Fuellschachts in derselben Ebene liegenden, untereinander verbundenen Roehren bestehen
Vorrichtung zur Erzielung eines moeglichst hohen Waermeueberganges und einer moeglichst gleichmaessigen Beheizung der einzelnen Rohre eines Rohrbuendels bei Wasserrohrkesseln