| 摘要 |
<p>An on-demand two speed transfer case (20) is equipped with a planetary gearset assembly (42) and a range shift mechanism (44) to provide high-range and low-range drive connections. The transfer case is also equipped with a dual-mode bi-directional overrunning clutch (140) and a mode shift mechanism (46) to establish on-demand and part-time four wheel drive modes.</p> |
