公开(公告)号：US20130152892A1

公开(公告)日：2013-06-20

申请号：US13331383

申请日：2011-12-20

申请人： SHAWN SCOTT HAWKINS ,  CHRISTOPHER J. TWAROG ,  PAUL F. TURNBULL

发明人： SHAWN SCOTT HAWKINS ,  CHRISTOPHER J. TWAROG ,  PAUL F. TURNBULL

IPC分类号： F02N19/10 ,  H02P6/16

CPC分类号： F01M5/021 ,  B60L2240/36 ,  F01M5/001 ,  F16N39/04 ,  H02P29/62 ,  Y02T10/642 ,  Y02T10/7258

摘要： An electric vehicle powertrain includes a battery configured to couple with an external power source, a power plant including at least one three-phase electric motor, and a power controller configured to receive electrical energy from the battery and to controllably provide electrical energy to the at least one electric motor. The electric motor includes a stator having a plurality of electrical windings and a rotor having a magnetic field orientation, with the rotor being configured to rotate relative to the stator. The power controller is configured to warm an engine fluid by determining the position of the rotor relative to the stator; determining a DC current for each of the three motor phases such that the electromagnetic field of the stator mirrors the magnetic field orientation of the rotor; and by providing the determined DC currents to the electric motor to resistively heat the fluid.

摘要翻译： 电动车辆动力总成包括被配置为与外部电源耦合的电池，包括至少一个三相电动机的动力装置和被配置为从电池接收电能并且可控制地向电动机提供电能的功率控制器 至少一台电动马达。 电动机包括具有多个电绕组的定子和具有磁场取向的转子，转子被配置为相对于定子旋转。 功率控制器被配置为通过确定转子相对于定子的位置来加热发动机流体; 确定三个电动机相中的每一个的DC电流，使得定子的电磁场反映转子的磁场取向; 并且通过将确定的DC电流提供给电动机以电阻地加热流体。