Improvements to rotary pumps

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

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F04D 13/02 (2006.01)

Patent

CA 2301560

A sealless coolant pump (10) comprising a pulley assembly (14) having a pulley (18) for co-operation with a drive belt B and a driving magnetic member (22), a pump body (12) housing a driven pump member (26) attached to a driven magnetic member (30), which co-operates with the driving magnetic member (22) through a static container (16) attached to the pump body, wherein the pulley assembly and driven pump member are rotatable about a common axis, and the pulley, driving magnetic member, and driven magnetic member are substantially radially aligned or superpositioned with respect to said common axis.

La présente invention concerne une pompe de liquide de refroidissement (10) dépourvue de joint étanche, comprenant un ensemble poulie (14) muni d'une poulie (18) qui coopère avec une courroie d'entraînement (B) et un élément magnétique d'entraînement (22), un corps de pompe (12) renfermant un élément de pompe entraîné (26) couplé à un élément magnétique entraîné (30), qui coopère avec l'élément magnétique d'entraînement (22) à travers un conteneur statique (16) fixé au corps de pompe, l'ensemble poulie et l'élément de pompe entraîné pouvant tourner autour d'un axe commun, et la poulie, l'élément magnétique d'entraînement et l'élément magnétique entraîné étant alignés de façon sensiblement radiale et étant superposés par rapport à leur axe commun.

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