Drive device for hybrid vehicle

Drive device for hybrid vehicle

  • CN 104,602,939 B
  • Filed: 09/05/2012
  • Issued: 03/01/2019
  • Est. Priority Date: 09/05/2012
  • Status: Active Grant
First Claim
Patent Images

1. a kind of drive device for hybrid vehicle, which is characterized in that have engine, speed changing portion and differential portion, the changeFast portion is connected with the engine, including first planetary gear mechanism, clutch and brake, and using the clutch andThe brake carries out speed change, and the differential portion connects the speed changing portion and driving wheel,The differential portion has the first rotating member being connected with the output link of the speed changing portion, is connected with the first whirlerThe second rotating member connect and the third rotating member being connected with the driving wheel, and including with the first planetary gearSecond planetary gear mechanism of mechanism fission,The drive device for hybrid vehicle carries out the switching of HV high-speed mode and HV low-speed mode using the speed changing portion,The rotation speed change for making the engine using the switching of the HV high-speed mode and the HV low-speed mode, makes mechanical points 2It is a,The mechanical points are the power that will enter into the first planetary gear mechanism and second planetary gear mechanismThe operating point all transmitted not via electrical path but using mechanical transmitting, is limiting the defeated of first whirlerOut and in the case where being allowed to decline, make half fastening state of clutch, and make the clutch slip, thus described in permissionFirst planetary gear mechanism it is differential,Torque capacity in the case where engaging completely in the case where sliding the clutch with the clutchOperating point is compared, and operates the engine with the operating point of high torque (HT).

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