Seal device

F - Mech Eng,Light,Heat,Weapons – 16 – J

Patent

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Details

F16J 15/447 (2006.01)

Patent

CA 2302163

A two-piece interlocked labyrinth seal device for providing a seal between a housing and a shaft formed of two ring members (12, 14) connected to each other by outwardly deforming a connecting portion (94) of the radially inwardly positioned member (14). The inwardly positioned member further includes a plurality of slingers (54, 56, 58) to assist in slinging fluid out of the seal device and back into the housing. The system can be accurately assembled, with the ring members located very close to each other. The system has improved oil retention and water exclusion properties.

L'invention concerne un dispositif à joint labyrinthe à enclenchement constitué de deux parties. Ce dispositif est destiné à former un joint entre un réceptacle et un arbre composé de deux éléments annulaires (12, 14), que l'on relie l'un à l'autre en déformant vers l'extérieur la partie de raccordement (94) de l'élément annulaire placé de manière radiale à l'intérieur dudit réceptacle (14). Cet élément annulaire est pourvu de plusieurs bagues d'étanchéité (54, 56, 58), qui permettent de projeter le fluide hors du dispositif à joint pour l'orienter vers ledit réceptacle. Ce système peut être assemblé avec précision, les éléments annulaires étant disposés à proximité l'un de l'autre. Ce système présente en outre des capacités améliorées de rétention du pétrole et d'étanchéité.

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