Patent ID: 6196723
Filing Date: 2001-03-06
Classification: F16C,G11B,H02K

Abstract:
A dynamic groove bearing comprising:an internal bearing part and an external bearing part which can be rotated relatively to each other about an axis of rotation, a bearing surface of one of the bearing parts being provided with two groove patterns for co-operation with a bearing surface of the other bearing part, said groove patterns being spaced axially from each other, anda reservoir comprising a ring-shaped body made from a porous material and arranged in the external bearing part, for holding a lubricant which, in operation, is present between the co-operating bearing surfaces,the reservoir being arranged, in the axial direction, between the two groove patterns, andthe ring-shaped body having an internal diameter which is larger than an internal diameter of the bearing surface of the external bearing part,characterized in that the external bearing part includes an axially extending vent line, andthe ring-shaped body is provided with at least one vent duct which extends from an inner wall of the ring-shaped body to an outer wall of the ring-shaped body and opens, near the outer wall of the ring-shaped body, into said vent line of the external bearing part.