Novel rotary vane type vacuum pump

The utility model relates to the technical field of pumps, in particular to a novel rotary vane type vacuum pump; the novel rotary vane type vacuum pump is characterized by comprising an air suction nozzle, a filter screen, an oil baffle sealing ring, an air suction O-shaped sealing ring, a rotary v...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZENG HONGGE, HU TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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