Patent ID: 7604557
Filing Date: 2009-10-20
Classification: F16H

Abstract:
1. A vehicle transmission comprising: a crankshaft box unit including a crankshaft box and a crankshaft journalled within said crankshaft box; a clutch unit disposed in proximity to said crankshaft box unit and including a seal cover cooperating with said crankshaft box to define a clutch chamber therebetween, and a wet clutch disposed within said clutch chamber and rotatable with said crankshaft, said crankshaft extending through said clutch chamber; a transmission box unit disposed in proximity to said clutch unit; and lubricating oil disposed in said clutch unit and said crankshaft box unit; wherein said crankshaft of said crankshaft box unit extends through said seal cover of said clutch unit, and has a connecting end disposed in said transmission box unit, said crankshaft box unit further including a driven shaft disposed in said transmission box unit and having an end sleeved coaxially on said connecting end of said crankshaft, and a bearing disposed between said connecting end of said crankshaft and said driven shaft and in said driven shaft; wherein said transmission box unit includes: wherein said crankshaft of said crankshaft box unit extends through said fixed driving pulley half of said driving pulley unit of said transmission box unit and into said movable driving pulley half of said driving pulley unit of said transmission box unit; wherein said crankshaft includes: