Valve actuator

The invention relates to a valve actuator (1, 56, 57, 58) which comprises at least one driving means (5) for driving a valve (8) to be actuated by said valve actuator (9, 31, 40, 42) and at least one triggering unit (4) for triggering a movement of said driving means (5) to open and/or to close said...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kuttler, Onno, Wadsley, Luke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES DEVICES FOR VENTING OR AERATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a valve actuator (1, 56, 57, 58) which comprises at least one driving means (5) for driving a valve (8) to be actuated by said valve actuator (9, 31, 40, 42) and at least one triggering unit (4) for triggering a movement of said driving means (5) to open and/or to close said valve (8). The triggering unit (4) is a directly driven triggering unit (4), converting an input signal directly into a triggering signal of said triggering unit (4). Furthermore, at least one mechanical energy storing unit (19, 20, 48) is provided.