Submersible motor-driven pump with an anti-freeze device

Details Submersible motor-driven pump with an anti-freeze device Submersible motor-driven pump with an anti-freeze device

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 13/08 (2006.01) F04D 15/00 (2006.01) F04D 29/42 (2006.01) F04D 29/58 (2006.01)

Patent

CA 2497056

A submersible motor-driven pump (1) comprising a housing (3), an intake pipe (5) disposed on the housing, an impeller disposed inside the intake pipe in order to produce an intake flow and in order to transport a fluid to a discharge connection, said impeller being mounted on a shaft (15), also comprising a can (17) into which the shaft extends, characterized in that an anti-frost device (19, 23, 25, 27) is arranged inside the housing (3) for the shaft.

La présente invention concerne une pompe à moteur submersible (1) comprenant un boîtier (3), des buses d'aspiration (5) appliquées sur le boîtier, une roue mobile (13), située dans les buses d'aspiration, montée sur un arbre (15) et permettant de produire un courant d'aspiration et de transporter un liquide vers un raccord de sortie, ainsi qu'une gaine (17) dans laquelle s'étend l'arbre. Cette invention est caractérisée en ce qu'un système antigel (19, 23, 25, 27) pour l'arbre (15) est placé dans le boîtier (3).

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