Throttle slide plate

Throttle slide plate

The utility model relates to a slide plate used in the slide restrictor valve, comprising a sliding working surface, a supporting surface and a filling opening. The periphery of the filling opening is provided with an annular groove (2) which is recessed from the supporting surface. The annular groo...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SUZHEN HUO, RONHAI SUN, BAIKUAN LIU
Format: Patent
Sprache:eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:The utility model relates to a slide plate used in the slide restrictor valve, comprising a sliding working surface, a supporting surface and a filling opening. The periphery of the filling opening is provided with an annular groove (2) which is recessed from the supporting surface. The annular groove (2) not only can raise the thermal-shock resistance of the material, can reduce the generation of the crack, and can weaken the propagation of the crack. Meanwhile, the annular groove (2) also can decrease the cost of the sliding plate (1) in a certain degree.