Multi-stage air-cooled high-pressure-difference roots pump

The utility model discloses a multistage air-cooled type high pressure difference roots pump, which relates to the vacuum pump field, and comprises a base plate, the upper surface of the base plate is symmetrically provided with pump bodies, a cross-shaped air suction pipe is arranged between the tw...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN XU, JIANG WANJUN, XU KANG, BU DINGGUO
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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