ELECTRIC ACTUATOR FOR COKE DRUM UNHEADING VALVE

The present invention extends to an electric actuator for operating an unheading valve of a coke drum. The electric actuator includes a driving element comprising a planetary roller screw for actuating the unheading valve. By using a planetary roller screw rather than hydraulics for the driving elem...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ORINO CHRISTOPHER, LAH RUBEN F
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention extends to an electric actuator for operating an unheading valve of a coke drum. The electric actuator includes a driving element comprising a planetary roller screw for actuating the unheading valve. By using a planetary roller screw rather than hydraulics for the driving element the electric actuator of the present invention can be used in place of prior art hydraulic actuators while still providing sufficient power and reliability for use on unheading valves of a coke drum.