F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/34 (2006.01)
Patent
CA 2554442
The invention provides a seal for a rotatable shaft. The seal includes an inner case mountable to the shaft and having a body and first and second flanges extending radially outward from the body. The seal includes first and second sealing discs operable to seal against the first and second flanges of the inner case. The sealing discs are immovably associated with a. housing spaced from the shaft. A spring encircles the shaft and inner case to urge the sealing discs against the flanges. The spring rate of the spring is controlled to enhance sealing, reduce turning torque, and extend life of the seal.
L'invention concerne un joint pour un arbre rotatif. Ce joint comprend une structure interne pouvant être montée sur l'arbre, comportant un corps et un premier et un second rabat qui s'étendent de façon radiale, vers l'extérieur, à partir du corps. Le joint comprend un premier et un second disque d'étanchéité conçus pour reposer contre le premier et le second rabat de la structure interne. Les disques d'étanchéité sont immobiles et associés à un logement situé à une certaine distance de l'arbre. Un ressort entourant l'arbre et la structure interne pousse les disques d'étanchéité contre les rabats. La flexibilité du ressort est contrôlée de manière à augmenter l'étanchéité, à réduire le couple de rotation et à prolonger la durée de vie du joint.
Mormile David G.
Vinton Mark D.
Federal-Mogul Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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