Power train for hybrid vehicle
AssigneeHyundai Motor Company
InventorsKangsoo Seo, Hyutae Shim
Life of this patent
Estimating the term…
Abstract
A power train for a hybrid vehicle may include: a first planetary gear set that includes at least four rotary elements; a second planetary gear set that includes at least three rotary elements one of which is connected with at least one of the rotary elements of the first planetary gear set; a first clutch that is configured to connect/disconnect a rotary element of the first planetary gear set with/from a rotary element of the second planetary gear set; and a first brake that is provided to restrain rotation of a rotary element of the second planetary gear set, wherein at least two or more independent power sources and an output element are connected to the rotary elements of the first planetary gear set and the second planetary gear set.
Claims14
A power train for a hybrid vehicle comprising:
- a first planetary gear set that includes a first ring gear, a first carrier, a first sun gear and a third sun gear, wherein the first carrier is directly connected to an engine and the first sun gear is directly connected to a first motor generator;
- a second planetary gear set that includes a second ring gear, a second carrier and a second sun gear wherein the second carrier is directly connected to the first ring gear, the second sun gear is directly connected to a second motor generator and the second carrier is directly connected to an output element;
- a first clutch configured to selectively engage and disengage the third sun gear with the second ring gear;
- and
- a first brake configured to restrain the rotation of the second ring gear.
A power train for a hybrid vehicle, comprising:
- a first planetary gear set that includes at least four rotary elements;
- a second planetary gear set that includes one rotary element that is disconnectably connected with two rotary elements of the first planetary gear set and a rotary element that is always connected to one of the other rotary elements of the first planetary gear set;
- a first brake that is configured to restrain rotation of a rotary element of the second planetary gear set;
- and
- a second brake that is configured to restrain rotation of another rotary element of the second planetary gear set,
- wherein at least two or more independent power sources and an output element are connected to the rotary elements of the first planetary gear set and the second planetary gear set.
Dependencies are inferred from the claim text.