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OwnerViktor Izrailevich Dumov, Olga Vladimirovna Shakirova +1inventors
InventorsViktor Izrailevich Dumov, Olga Vladimirovna Shakirova, Grigoriy Rafovich Shakirov
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A vehicle comprises a hydromechanical automatic gearbox, an automatic gear shift unit (12) connected to a pressure fluid feeding pump (15). The gearbox comprises an input shaft (4) extending from an engine, gearing (23) extending to each gear step, wherein the gearing (23) is mounted on the input shaft (4) and is as a central gear (2), located on the input shaft (4), meshing with gear wheels (3) of different gear steps having different diameters mounted on the input shaft (4) of a single hydraulic torque converter (5) comprising a pump (6) and a turbine (8) located accordingly on the input (4) and output (7) shafts thereof forming a flow path of pressure fluid, each of the hydraulic torque converter (5) is electronically and hydraulically linked to the gear shift unit (12) of the vehicle.
A hydromechanical automatic gearbox, comprising an input shaft extending from an engine and gearing extending from the input shaft to each gear step, wherein gearing is formed as a central gear, located on the input shaft, meshing with gear wheels of different gear steps having different diameters, each of the gear wheels is mounted on the input shaft of at least one hydraulic torque converter with centrifugal wheels of a pump and a turbine located accordingly on input and output shafts thereof forming a flow path of pressure fluid, and reactor variable blades located in the flow path, each of the hydraulic torque converters is electronically and hydraulically linked to the gear shift unit of the vehicle.
Dependencies are inferred from the claim text.