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专利名称：Arrangement for lubricating a differential
assembly of a work machine
发明人：Douglas W. Bell,David Hinton申请号：US09/162214申请日：19980928公开号：US059143A公开日：19991123
摘要：A differential assembly which includes a differential housing is disclosed. Thedifferential housing defines an internal component chamber, a fluid housing inlet, and afluid housing outlet. The differential assembly also includes a spider structure positionedwithin the internal component chamber. The spider structure has (i) a spider hub and (ii) aspider shaft which extends from the spider hub. The differential assembly furtherincludes a pinion gear positioned within the internal component chamber and around thespider shaft. The differential assembly also includes a bearing assembly positioned withinthe internal component chamber. The bearing assembly is interposed between the piniongear and the spider shaft, wherein (i) the spider structure has a fluid spider channelhaving a fluid spider inlet and a fluid spider outlet, (ii) the fluid housing inlet is in fluidcommunication with the fluid spider inlet, and (iii) the fluid spider outlet is in fluidcommunication with the fluid housing outlet. The differential assembly also includes afluid pump which advances a flow of oil through the fluid housing inlet, the fluid spiderinlet, the fluid spider outlet, and the fluid housing outlet.
申请人：CATERPILLAR INC.
代理人：Bradford G.Maginot, Addison & Moore Addison
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