F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 2/16 (2006.01)
Patent
CA 2609670
The invention relates to a screw displacement pump with a single-entry, double- shaft construction, comprising an outer bearing for both screw shafts (1, 2) and a pump housing (3), enclosing the screw shafts (1, 2) to form pumping chambers (4) and externally defining the pumping chambers (4) with the inner sleeve surface thereof, an induction chamber (5) for the induction medium and a pressure chamber (6), for the medium pumped by means of the screw shafts (1, 2). The pump housing (3) is introduced into a pressure housing (7) and fixed to the pressure housing (7) such that the pressure chamber (6) at least partly encloses the pump housing (3).
L'invention concerne une pompe à broches hélicoïdales, à un seul flux, à double corps, comprenant un palier extérieur des deux broches hélicoïdales (1, 2), et un carter de pompe (3) entourant les deux broches hélicoïdales (1, 2), avec formation de chambres de refoulement (4), et limitant extérieurement lesdites chambres de refoulement (4) par sa surface latérale (3a), ainsi qu'une chambre d'aspiration (5) pour le fluide à aspirer, et une chambre de pression (6) recevant le fluide refoulé par les broches hélicoïdales (1, 2). L'invention est caractérisée en ce que le carter de pompe (3) est placé à l'intérieur d'une enveloppe de pression (7) et est fixé à celle-ci (7) de telle façon que la chambre de pression (6) entoure, au moins partiellement, le carter de pompe (3).
Brandt Jens-Uwe
Jaschke Axel
Rohlfing Gerhard
Joh. Heinr. Bornemann Gmbh
Kirby Eades Gale Baker
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