×

Arrangement for a power electronics unit in a hybrid vehicle

  • US 8,276,694 B2
  • Filed: 02/26/2008
  • Issued: 10/02/2012
  • Est. Priority Date: 02/26/2008
  • Status: Active Grant
First Claim
Patent Images

1. Arrangement for a power electronics unit in a hybrid vehicle power train, the hybrid vehicle power train comprising a combustion engine arranged for propulsion, and an electric motor/generator arranged for propulsion, a transmission with a transmission housing, the transmission is arranged to adapt gear ratio between at least one of the propulsion units and driven vehicle wheels, the motor/generator is arranged to exchange electric power with a power electronics unit, a cooling arrangement for cooling at least the transmission with the transmission housing, the power electronics unit is shaped substantially as a plate, where a first biggest cross-sectional area of the plate is extended substantially along and substantially within a first transmission side of the transmission housing and covering at least a part of the first transmission side, the power electronics unit is fixed to the hybrid vehicle power train with at least one first attachment point, wherein all attachment points have a total thermal conductivity corresponding to less than 10 degrees temperature difference on a Kelvin-scale between electronics of the power electronics unit and the outside of the first transmission side for 5 kW of heat originating from one side of the attachment point.

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