| 摘要 |
A transfer case, which may be used to distribute the torque selectively between the primary and secondary driving wheels of an automotive vehicle, includes an input element and two output elements located along a common axis. It also includes a magnetic particle clutch and a planetary gear set which are both organized by about the same axis. The clutch and planetary set are connected together such that they provide a direct path through which torque is transferred from the input element to one of the output elements without slippage. The arrangement further provides a slip path through which torque is transferred from the input element to the other output element with slippage, and this path has two segments, one through the planetary set and the other through the clutch and planetary set. The clutch path accommodates slippage and the proportion of torque transferred through the slip path depends solely on the electric current conducted through the clutch.
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