Elastomeric hinged seal

Details Elastomeric hinged seal Elastomeric hinged seal

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/32 (2006.01)

Patent

CA 2553482

A hydrodynamic PTFE seal for a rotating part including a first portion supported by a flexible, elastomeric member and a second portion extending from the first portion past the elastomeric member along the rotating part. The second or trailing portion of the seal is concentrically disposed about the rotating part. The first portion of the seal attached to the elastomeric member is also concentrically disposed around the rotating part. The seal can also include a living hinge portion disposed between the first and second portions. The first portion, the second portion and the living hinge portion can jointly define a continuous sealing surface.

L'invention concerne un joint PTFE hydrodynamique pour une pièce rotative, comprenant une première partie supportée par un élément en élastomère flexible et une seconde partie s'étendant de la première partie au-delà de l'élément en élastomère le long de la pièce rotative. La seconde partie ou partie arrière du joint est disposée de manière concentrique autour de la pièce rotative. La première partie du joint rattachée à l'élément en élastomère est également disposée de manière concentrique autour de la pièce rotative. Le joint peut également comprendre une partie charnière fonctionnelle disposée entre la première et la seconde partie. La première partie, la seconde partie et la partie charnière peuvent ensemble définir une surface hermétique continue.

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