Patent ID: 9026285
Filing Date: 2015-05-05
Classification: B60L,B60W,B60Y,H02J,Y02T,Y10S,Y10T

Abstract:
1. A battery charging method for a hybrid vehicle that comprises an engine and a motor as power source and comprises a battery in which electrical energy for driving the motor is stored, the battery charging method comprises: determining, by a controller, whether the battery in the vehicle needs to be charged once the vehicle is stopped; in response to determining that the battery needs to be charged, transitioning a transmission to a neutral position (N position); starting, by the controller, the engine; engaging an engine clutch to connect the engine with the motor to generate by the motor electrical energy via power from the engine; storing the electrical energy generated by the motor in the battery while the vehicle is stopped; determining whether a brake is released while the vehicle is stopped; reducing a speed of the motor to be less than or equal to a safe speed once the brake is released; and transitioning the transmission to a drive position (D position) by engaging a low-speed clutch in the transmission.