Injection vacuum device

The invention discloses a vacuum ejector comprising a hollow element, a mobile nozzle, a mandrel and a Laval tube, which is characterized in that the Laval tube is connected with the hollow element and extends towards a first axial direction; the mobile nozzle is arranged in the hollow element; the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XU WENQUAN, LI TIANSAN, LIN JINCONG, XIAO JINXUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BYUSING INERTIA OF FLUID TO BE PUMPED PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SIPHONS WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a vacuum ejector comprising a hollow element, a mobile nozzle, a mandrel and a Laval tube, which is characterized in that the Laval tube is connected with the hollow element and extends towards a first axial direction; the mobile nozzle is arranged in the hollow element; the mandrel is arranged in the mobile nozzle; wherein, the mobile nozzle can move along the first axial direction in relation to the hollow element; the mandrel can move along the first axial direction in relation to the mobile nozzle.