Druckregelvorrichtung für eine Vakuumkammer, und eine mit einer solchen Vorrichtung versehenen Vakuumpumpeinheit

The invention concerns a system for regulating pressure in a chamber (1) containing effluents, connected by pipes (2) to a pumping unit (3) comprising a self-lubricating mechanical primary pump (4) and at least a secondary pump (5). The invention is characterised in that the system comprises a speed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROUSSEAU, CLAUDE, MAQUIN, PHILIPPE, PILOTTI, PATRICK
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING CONTROLLING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PHYSICS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REGULATING ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES WEAPONS
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Beschreibung
Zusammenfassung:	The invention concerns a system for regulating pressure in a chamber (1) containing effluents, connected by pipes (2) to a pumping unit (3) comprising a self-lubricating mechanical primary pump (4) and at least a secondary pump (5). The invention is characterised in that the system comprises a speed regulator (6) controlling simultaneously the rotation speeds of the self-lubricating mechanical primary pump (4) and of the secondary pump (5).