Two-port cartridge seat valve

A two-way cartridge valve as lift valve comprises a valve sleeve (112) with a stepped guide bore (180, 182) for a valve piston (114). The valve piston (114) contains a piston extension (184) which axially subdivides the second step (182) of the guide bore into an end first control chamber (186) and...

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Bibliographische Detailangaben
Hauptverfasser:	BOURKEL ARSENE, TRATBERGER KARL, LANFERMANN BERND
Format:	Patent
Sprache:	eng
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:	A two-way cartridge valve as lift valve comprises a valve sleeve (112) with a stepped guide bore (180, 182) for a valve piston (114). The valve piston (114) contains a piston extension (184) which axially subdivides the second step (182) of the guide bore into an end first control chamber (186) and an annular second control chamber (188). A first connecting passage (194) through the valve sleeve (112) connects the annular second control chamber (188) to an annular chamber (140) into which a lateral main-flow connection (30) leads. The free cross-section of a valve seat (144) and an axial main-flow bore (146) correspond approximately to the cross-section of the first step (180) of the guide bore.