Seal for measuring device

Details Seal for measuring device Seal for measuring device

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/52 (2006.01) D21G 9/00 (2006.01) G01N 11/14 (2006.01)

Patent

CA 2549691

The invention relates to a seal intended for sealing an axis pair, whereby the axes rotate in the same direction, the inner one of the axes is inside the outer axis and the phase difference of the axes is arranged to remain within prede-fined limits. The seal (200) is a tubular seal made of an elastic material and comprises at least two tube sections (202, 204) fixed to each other. Folds (212, 214) of the at least two tube sections (202, 204) have opposing twisting an-gles. One end of the seal (200) is fastened to the outer axis and the other end is fastened to the inner axis, and the seal (200) is arranged to twist by a torque proportional to the phase difference between the axes.

L'invention concerne un joint conçu pour sceller une paire d'axes, ces axes effectuant une rotation dans le même sens, l'axe interne se trouvant à l'intérieur de l'axe externe et la différence de phase entre les axes étant définie de sorte à se maintenir entre des limites prédéterminées. Ledit joint (200) est un joint tubulaire en matériau élastique. Il comprend au moins deux parties tubulaires (202, 204) raccordées l'une à l'autre. Les plis (212, 214) des deux parties tubulaires (202, 204) au moins présentent des angles de torsion opposés. Une extrémité du joint (200) est fixée sur l'axe externe et l'autre extrémité est fixée sur l'axe interne. Le joint (200) selon l'invention est conçu pour se tordre sous l'application d'un couple proportionnel à la différence de phase entre les axes.

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