VACUUM PUMP

PROBLEM TO BE SOLVED: To improve emissions performance in a high-pressure region substantially equal to an atmospheric pressure. SOLUTION: A pump chamber 3 of at least first stage from upstream end side of a vacuum pump is designed to have a capacity greater than those of pump chambers 4, 5, 6, 7 at...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KOIZUMI TATSUNORI
Format:	Patent
Sprache:	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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