Emergency system for hand operation of magnetically operated hydraulic valves - has emergency hand operated pin led movable sliding in guide recess and outer endface of which valve is operated by ram type tool insertable from outside

The endface (118) of the emergency hand operated pin (148) has a lowered supporting surface (158) which is designed flat or with a convex curve, and is concentrically surrounded by an inlet chamfer (160), for the centring of the ram type tool (120). The lowered supporting surface (258, fig.3) can be...

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Bibliographische Detailangaben
Hauptverfasser:	SCHMITT, HANS, 8781 KARSBACH, DE, ROTT, HORST, 8782 KARLSTADT, DE, GEIS, HARALD., 8752 SCHIMBORN, DE, QUENDT, PEER., 8771 NEUSTADT, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The endface (118) of the emergency hand operated pin (148) has a lowered supporting surface (158) which is designed flat or with a convex curve, and is concentrically surrounded by an inlet chamfer (160), for the centring of the ram type tool (120). The lowered supporting surface (258, fig.3) can be designed with a spherical curvature. The emergency hand operated pin (148) is mounted guide across a section with a cylindrical cross section in the guide recess (146). ADVANTAGE - Also designed for repeated emergency operation ensured with small constructional cost. Pin operation is reliable without detracting from valve operation with return to its original setting.