GROUPE DE POMPAGE SECONDAIRE

• Main Authors: GORINAS GUY, PONCET JEAN MARC, MATHES RAINER, RAVEX ALAIN
• Format: Patent
• Language: French
• Published: 11.04.1997
• Edition: 6
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROMENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; THERMAL INSULATION IN GENERAL; WEAPONS

Groupe de pompage secondaire associant une pompe secondaire mécanique (1) avec un piège cryogénique (2), caractérisé en ce que ledit piège cryogénique (2) forme un anneau entourant la pompe secondaire mécanique à son aspiration, ledit piège (2) étant enfermé dans un carter (4) délimitant l'ouverture d'aspiration, en parallèle, de la pompe mécanique (1) et du piège cryogénique (2).