Patent ID: 9127688
Filing Date: 2015-09-08
Classification: F04D,F16C

Abstract:
1. A bearing cooling structure applied to a bearing having a bottom face, the bearing cooling structure comprising: a metal base seat having a raised section protruding from a center of the metal base seat, an extension section extending from an inner surface of the raised section, the raised section and the extension section being parts of a unitary structure, the extension section having a free end and an upper surface; and a plastic bearing cup having a bottom section enclosing the raised section, whereby the plastic bearing cup is fixed on the metal base seat, a top end of the plastic bearing cup upward extending from the bottom section, the top end being higher than the raised section, the plastic bearing cup having an inner circumference defining a bearing hole extending from the top end to the bottom section, wherein the extension section extends toward a center of the plastic bearing cup, the free end and the upper surface of the extension section being positioned in the bearing hole, the bearing being received in the bearing hole and disposed on the extension section, the bottom face of the bearing being in direct contact with the upper surface of the extension section, wherein an outer diameter of the raised section is larger than an outer diameter of the bearing; wherein the raised section is a hollow tubular section, the extension section extends perpendicularly from a free end of the raised section toward a center of the hollow tubular section, and the upper surface of the extension section, a top surface of the raised section and a bottom surface of the bearing are all coplanar.