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...

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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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creator	CHEN XU JIANG WANJUN XU KANG BU DINGGUO
description	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 two groups of pump bodies, two sides of the cross-shaped air suction pipe are respectively communicated and connected with the middle parts of the mutually close sides of the pump bodies; a first electrostatic adsorption plate and a second electrostatic adsorption plate are installed on the two sides of the inner walls of the two ends of an inner cavity of the cross-shaped air suction pipe correspondingly and arranged in a staggered mode. The multistage air-cooled high-pressure-difference roots pump solves the problems that in the using process of an existing multistage air-cooled high-pressure-difference roots pump, the moisture content of gas sucked into a pump body cannot be reduced, meanwhile, the gas contains a
format	Patent
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language	chi ; eng
recordid	cdi_epo_espacenet_CN217270810UU
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subjects	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
title	Multi-stage air-cooled high-pressure-difference roots pump
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