| 摘要 |
The transmission system (10) consists, from front to rear, of an input shaft (12), first (16) and second (18) epicycloid gear trains, and an output shaft (20) coupled to an axle (24). The gear trains are connected rotationally to one another, to the input and output shafts and to the primary shaft (40) of a controlled hydrostatic converter (42) which can vary the ratio of the first train. They are also connected selectively to a second shaft (44) of the converter which can vary the ratio of the second train. The system incorporates independent locking mechanisms for the first and second converter shafts to prevent hydraulic losses in the converter.
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