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.)
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/12—Visible signals
B61L5/14—Form signals, e.g. semaphore arms
B61L5/16—Local operating mechanisms for form signals
B61L5/167—Local operating mechanisms for form signals using electrically controlled fluid-pressure operated driving means
Vorrichtung, um in hydraulischen Speicheranlagen waehrend des Pumpenbetriebes die mit dem Motorgenerator und der Pumpe unmittelbar gekuppelte, bei Pumpenbetrieb leer mitlaufende Turbine sofort zu oeffnen
Anordnung zur selbsttaetigen Regelung der Belastung von elektrischen Antriebsvorrichtungen mit hydraulischer Kraftuebertragung, insbesondere Ruderanlagen