公开(公告)号：US20090238689A1

公开(公告)日：2009-09-24

申请号：US12322351

申请日：2009-01-30

申请人： Zahir Jamil ,  John Martin Allport

发明人： Zahir Jamil ,  John Martin Allport

IPC分类号： F04D29/056 ,  F16C33/10 ,  G06F17/50 ,  B21D53/10

CPC分类号： F01D25/166 ,  F02C6/12 ,  F05D2220/40 ,  F05D2260/96 ,  F16C17/02 ,  F16C17/18 ,  F16C17/26 ,  F16C33/1045 ,  F16C2360/24 ,  Y10T29/49647

摘要： A turbocharger shaft is supported for rotation about its axis in a bearing housing by a pair of floating ring bearings disposed between the shaft and the bearing housing. The floating ring bearings are penetrated in a substantially radial direction by a plurality of apertures to allow the passage of lubricating oil between inner and outer surfaces of the ring. The apertures are arranged at irregular angular intervals around the ring so as to prevent the generation of sub-synchronous vibrations that occur during rotation of the turbocharger shaft. This reduces turbocharger noise and increases life.

摘要翻译： 涡轮增压器轴被支撑成通过设置在轴和轴承壳体之间的一对浮动环轴承围绕其轴线在轴承壳体中旋转。 浮动环轴承通过多个孔径向贯穿大致径向，以允许润滑油在环的内表面和外表面之间通过。 孔围绕环布置成不规则的角度间隔，以防止在涡轮增压器轴旋转期间产生副同步振动。 这样可以降低涡轮增压器的噪音并延长使用寿命。