Power transmission apparatus of hybrid electric vehicle
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsSungGon Byun, Chulmin Ahn, Seok Joon Kim, Junyoung Ha, Baekyu Kim
Life of this patent
Estimating the term…
Abstract
A power transmission apparatus for a hybrid vehicle may include a planetary gear set as a torque branching device disposed on the same axis with the engine; and a final reduction device having a final reduction gear receiving a torque of the engine and a torque of the second motor/generator, wherein, the torque of the engine is delivered to the final reduction gear through the planetary gear set, an intermediate shaft, and an output gear formed on an output shaft, and the torque of the second motor/generator is delivered to the final reduction gear through a shifting device facilitating multi-stages of torque transmission.
Claims6
A power transmission apparatus for a hybrid vehicle having an engine as a primary power source and a first motor/generator and a second motor/generator as auxiliary power sources disposed on a same axis with the engine, the power transmission apparatus comprising:
- a planetary gear set as a torque branching device disposed on the same axis with the engine;
- and
- a final reduction device having a final reduction gear receiving a first torque of the engine and a second torque of the second motor/generator through different paths, respectively, through an output gear formed on an output shaft,
- wherein, the first torque of the engine is delivered to the output gear through the planetary gear set and an intermediate shaft, which forms a first path of the different paths, and
- wherein the second torque of the second motor/generator is delivered to the output gear through a shifting device facilitating multi-stages of torque transmission, which forms a second path of the different paths.
Dependencies are inferred from the claim text.