×

Extending hybrid electric vehicle regenerative braking

  • US 9,592,832 B2
  • Filed: 03/18/2014
  • Issued: 03/14/2017
  • Est. Priority Date: 03/18/2014
  • Status: Active Grant
First Claim
Patent Images

1. A method for controlling a hybrid electric powertrain, comprising:

  • (a) while regenerative braking, using an e-pump to supply fluid to a transmission provided an indication that a torque converter clutch disengagement will occur under current powertrain operating conditions is present;

    (b) discontinuing use of the e-pump and using a mechanical pump to supply fluid to the transmission provided the indication that a torque converter clutch disengagement will occur under current powertrain operating conditions is absent.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×