Patent ID: 7131770
Filing Date: 2006-11-07
Classification: F16C,G11B,H02K

Abstract:
1. A hydrodynamic bearing system comprising: a shaft having an outer surface; a bearing sleeve, said bearing sleeve having an inner cylindrical bore, said shaft being inserted into said inner cylindrical bore; a bearing gap formed between said outer surface of said shaft and said bearing sleeve, said bearing gap being filled with a lubricating oil; said bearing sleeve further comprising: said recessed portion being defined by a radially outward facing axial surface and a radially inward facing axial surface; and said recessed portion is positioned between said inner cylindrical surface and said outer cylindrical surface and distanced from said bearing gap, a shield enclosing said bearing sleeve, wherein said shield is mounted in said recessed portion; and wherein, said shield, an outer surface of said shaft and said end surface define an inner shielded space, said recessed portion is located within said inner shielded space.