Idler gear and journal bearing assembly for a generator

摘要

A journal bearing for a generator idler gear assembly which includes an impregnated carbon body that has an inner diameter and an outer diameter that provides a bearing thickness. The body includes a height, wherein outer diameter to inner diameter provides a first ratio of approximately 1.3-1.5 and the inner diameter to height provides a second ratio of approximately 1.5-1.9.

主权项

1. A generator comprising:
a housing including an end plate secured to a housing portion that together provide a cavity, the housing portion and the end plate respectively including first and second bores; an idler gear including a shaft having opposing first and second ends respectively supported in the first and second bores; first and second journal bearings respectively including a first inner and outer diameter and a second inner and outer diameter, the first and second outer diameters in press fit relationship with the first and second bores respectively, and the first and second inner diameters in slip fit engagement with the first and second ends respectively, the inner diameters fixed relative to their respective outer diameter, wherein each of the first and second journal bearings are provided by an impregnated carbon body providing the inner diameters and the outer diameters which provide a bearing thickness, the body including a height, wherein the outer diameters to the inner diameters provide a first ratio of approximately 1.3-1.5 and the inner diameters to the height provides a second ratio of approximately 1.5-1.9; and a dynamoelectric portion arranged in the housing and providing a rotor gear.