Patent ID: 7044879
Filing Date: 2006-05-16
Classification: B60K,B60T,F16D,F16H

Abstract:
1. A drive force distributing apparatus for a vehicle having a pair of drive wheels, comprising: a fixed housing; a first axle connected to one of said drive wheels; a second axle connected to the other drive wheel; an input shaft rotatably mounted in said fixed housing and connected to a drive source; a first planetary gear assembly having a first ring gear operatively connected to said input shaft, a first planetary carrier fixed to said first axle, a first sun gear rotatably mounted on said first axle, and a first planet gear carried by said first planetary carrier so as to mesh with both said first ring gear and said first sun gear; a second planetary gear assembly having a second ring gear operatively connected to said input shaft, a second planetary carrier fixed to said second axle, a second sun gear rotatably mounted on said second axle, and a second planet gear carried by said second planetary carrier so as to mesh with both said second ring gear and said second sun gear; a first multiplate brake mechanism interposed between said fixed housing and said first sun gear; a first electromagnetic brake for controllably operating said first multiplate brake mechanism; a second multiplate brake mechanism interposed between said fixed housing and said second sun gear; and a second electromagnetic brake for controllably operating said second multiplate brake mechanism; a drive force from said input shaft being distributed between said first axle and said second axle by operating said first electromagnetic brake and said second electromagnetic brake.