| 摘要 |
Transmission (300) comprising; . an input shaft (121) . a main shaft (124); . a countershaft (223, 323); and . an oil pump (101), wherein said input shaft (121), said main shaft (124) and said countershaft (223, 323) are provided with gearwheels (381, 282, 130-139) in order to enable torque transfer in a plurality of forward and backward gear speeds, and wherein said oil pump (101) is provided with a freewheel mechanism (385, 485), which comprises an oil pump driveshaft (386), a first pump drive gearwheel (389) and a first and a second freewheel (387, 487; 388) arranged upon said oil pump driveshaft (386), wherein both said first and said second freewheel (387, 487; 388) can transfer torque to said oil pump drive shaft (386) in one and the same direction, characterised in that said first freewheel (387, 487) is in drive connection with said countershaft (223, 323) and said second freewheel (388) is connected to said first pump drive gearwheel (389), which meshes with a first gearwheel (381, 138) coaxial with said main shaft (124, 238) and which first gearwheel (381, 138) transfers torque in at least one of said forward or backward gear speeds. |
