CONTROL VALVE

PURPOSE:To prevent dripping of liquid from the forward end of a nozzle by providing a valve body which is closed and opened corresponding to a change in liquid pressure. CONSTITUTION:Pressure in a tank 1 is increased to push out a liquid having high viscosity to a liquid inflow port 5. A valve body...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HAYASE SHIYUUJI
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS 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 NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent dripping of liquid from the forward end of a nozzle by providing a valve body which is closed and opened corresponding to a change in liquid pressure. CONSTITUTION:Pressure in a tank 1 is increased to push out a liquid having high viscosity to a liquid inflow port 5. A valve body 10 is pushed downward against a coiled spring 13 to open the liquid inflow port 5, so that the liquid inflow port 5 and the liquid outflow port 6 are connected with each other, and the liquid starts to flow out toward a nozzle 2. When pressure is stopped, the valve body 10 is drawn upward by the spring 13 to close the fluid inflow port 5. In such a condition, the interior of a recess portion 7 of a valve body 4 is put into negative pressure state, so that a liquid retaining in a hose 3 on the nozzle side is sucked into the valve body 4.