Title:
DRIVE UNIT
Document Type and Number:
Japanese Patent JP2018111348
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drive unit for a hybrid vehicle that is simple in structure and saves space while avoiding high rotation of a pinion gear of a planetary gear device.SOLUTION: A drive unit 2 comprises a counter shaft 71, an engine 10, a first MG 20, a second MG 30, and a planetary gear device 40 of Ravigneaux type. The planetary gear device 40 includes a ring gear R, a pinion gear P, a carrier CA, a sun gear S1, and a sun gear S2. The pinion gear P includes: a first teeth part T1 engaged with each of the ring gear R and the sun gear S1; and a second teeth part T2 provided in a position offset in an axial direction of the pinion gear P from the first teeth part T1 and engaged with the sun gear S2. The drive unit 2 further comprises: a clutch C1 that switches a state of connection of the sun gear S1 and the engine 10; a clutch C2 that switches a state of connection of the carrier CA and the engine 10; and a brake B1 that switches a state of fixing of the sun gear S2 to a case 25.SELECTED DRAWING: Figure 3
Inventors:
OBA HIDEHIRO
Application Number:
JP2017001730A
Publication Date:
July 19, 2018
Filing Date:
January 10, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60K6/36; B60K6/387; B60K6/445; B60L50/16; F16H1/06; F16H3/62; F16H3/72
Attorney, Agent or Firm:
Fukami patent office