F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/12
F16J 15/46 (2006.01) F16J 15/40 (2006.01)
Patent
CA 1127680
ABSTRACT A device for sealing an annular space between an inner part, preferably a shaft, and an outer part surrounding said inner part, said parts being rotatable in relation to each other, comprising a sealing element positioned in the annular opening and sealingly connected with one if said parts and having a scaling surface adapted to cooperate with an opposing sealing surface in the outer of said parts, and a device for supplying a pressure fluid to a clearance space between said sealing surfaces at a pressure which is higher than the pressures in the spaces at each side of the sealing element, wherein the sealing surfaces have the shape of rotational surfaces inclined in relation to the axis thereof, for example conical surfaces, and that the sealing surfaces are in such a way displaceable in relation to each other that the width of the clearance space between the sealing surfaces is at least partially determined by axial movement of the sealing surfaces in relation to each other.
318590
K. G. Derman Ab
Marks & Clerk
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