E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01) F04B 47/02 (2006.01)
Patent
CA 2726696
The present invention describes a pumping de-vice (1) for pumping fluids. The pumping device (1) comprises a force transmitting element (2), a tension unit (3) coupled to the force transmitting element (2) and a seal element (10). The force transmitting element (2) is adapted for transferring an up-stroke and a downstroke to a pump plunger (5) for pumping flu-id (12). The tension unit (3) is adapted for applying a tension force (F) to the force transmitting element (2) for keeping the force transmitting element (2) under tension during the upstroke and the downstroke. The seal element (10) is adapted for seal-ingly preventing pumping fluids (12) during the downstroke and for enabling pumping fluid (12) during the upstroke. A part (16) of the seal element (10) is rigidly coupled with the force trans-mitting element (2).
L'invention concerne un dispositif de pompage (1) conçu pour pomper des liquides, qui comprend un élément de transmission de force (2), une unité de tension (3) couplée à l'élément de transmission de force (2) et un élément d'étanchéité (10). L'élément de transmission de force (2) est conçu pour transférer une course montante et une course descendante à un piston (5) de la pompe pour pomper le liquide (12). L'unité de tension (3) est conçue pour appliquer une force de tension (F) à l'élément de transmission de force (2) sous tension pendant la course montante et la course descendante. L'élément d'étanchéité (10) est conçu pour empêcher de manière étanche le pompage de liquides (12) pendant la course descendante et pour permettre le pompage de liquide (12) pendant la course montante. Une partie (16) de l'élément d'étanchéité (10)est couplée de manière rigide à l'élément de transmission de force (2).
Montanuniversitaet Leoben
Ridout & Maybee Llp
LandOfFree
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