POMPA DA VUOTO

The invention relates to a vacuum pump to be operated in presence of corrosive gas, comprising a rotor group (1) and a rotatable unit (6, 12, 14) supporting said rotor group (1), wherein a first portion (8a) and a second portion (8b) are defined, both said portions being accessible to the gas and co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CASARO FAUSTO
Format:	Patent
Sprache:	ita
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a vacuum pump to be operated in presence of corrosive gas, comprising a rotor group (1) and a rotatable unit (6, 12, 14) supporting said rotor group (1), wherein a first portion (8a) and a second portion (8b) are defined, both said portions being accessible to the gas and communicating between each other, and wherein disengageable sealing means (22) are provided for preventing the gas passage from said first portion to said second portion or viceversa when said sealing means (22) are engaged.