Liquid-ring gas pump

F - Mech Eng,Light,Heat,Weapons – 04 – C

Patent

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Details

F04C 19/00 (2006.01)

Patent

CA 2187426

Liquid-ring gas pump with a working space containing an overhung impeller (17) and a connection casing (2) which is separated from the working space by a control plate (13). This casing contains, on one side of a hub space (11) suitable for the accommodation of a mechanical seal (12), an inlet space (5) and, on the other side, a discharge space (6). The discharge space is connected to the working space to allow the recirculation of recirculated liquid. The connection between the discharge space and the working space is passed via the hub space. The hole (19) connecting the discharge space to the hub space is expediently situated on an extension (18) of the discharge space (6), the said extension leading across to the side of the pump containing the inlet space.

L'invention concerne une pompe à gaz à anneau liquide, qui comprend une chambre de travail contenant une roue hélice (17) flottante et un carter de raccordement (2) qui est séparé de la chambre de travail par un disque de commande (13). Sur un côté d'une chambre de moyeu (11) propre à recevoir une garniture étanche à anneau glissant (12), le carter de raccordement (2) comprend une chambre d'aspiration. Sur l'autre côté, il comprend une chambre de pression qui est reliée à la chambre de travail pour assurer le retour du liquide en circulation. La jonction entre la chambre de pression et la chambre de travail est assurée par l'intermédiaire de la chambre de moyeu. Le trou (19) qui relie la chambre de pression et la chambre de moyeu est pratiqué de préférence sur un prolongement (18) de la chambre de pression, menant au côté de la pompe qui comprend la chambre d'aspiration.

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