Roots blower

The utility model relates to the technical field of Roots blowers, and provides a Roots blower which comprises a machine body, a first wallboard and a second wallboard, and the machine body is provided with an inlet end and an outlet end; the first wallboard is provided with a first sealing shaft sl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO ZHENCHANG, ZHAO SHENGCHANG
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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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of Roots blowers, and provides a Roots blower which comprises a machine body, a first wallboard and a second wallboard, and the machine body is provided with an inlet end and an outlet end; the first wallboard is provided with a first sealing shaft sleeve and a third sealing shaft sleeve, the first sealing shaft sleeve is provided with two first framework oil seal sealing elements, and the third sealing shaft sleeve is provided with two third framework oil seal sealing elements; the second wallboard is provided with a second sealing shaft sleeve and a fourth sealing shaft sleeve, the second sealing shaft sleeve is provided with two second framework oil seal sealing elements, and the fourth sealing shaft sleeve is provided with two fourth framework oil seal sealing elements; the first wallboard is provided with a first channel communicating with the space between the two first framework oil seal sealing pieces and a third channel communicating with the space bet