Apparatus and method for charging an electric vehicle battery
AssigneeNissan Motor Co., Ltd.
InventorsTakashi Kimura, Shinichi Takenouchi
Life of this patent
Estimating the term…
Abstract
In a charging apparatus and method for charging a battery of a battery driven electric vehicle, when a communication abnormality between a charger side of a charging station and the battery side of the electric vehicle is determined to occur, a power supply of the charger starts the charge to the battery in a special charge pattern (protocol) of mode in the occurrence of the communication abnormality.
Claims21
A charging apparatus for charging a battery installed in a battery driven electric vehicle, comprising:
- a) a charger having a power supply;
- b) communication means, installed in both of the charger and electric vehicle, for transmitting and receiving information on a charging operation from and to the charger and electric vehicle;
- c) abnormality detecting means for detecting whether an abnormality in the communication between the charger and electric vehicle occurs;
- and
- d) controlling means for carrying out the charge to the battery of the electric vehicle in accordance with a special charge protocol previously set when the abnormality detecting means detects the abnormality in the communication therebetween.
A method for charging a battery installed in a battery driven electric vehicle, comprising the steps of:
- a) transmitting and receiving information on a charging operation from and to a charger having a high voltage power supply and electric vehicle;
- b) detecting whether an abnormality in the communication between the charger and electric vehicle occurs;
- and
- d) carrying out the charge to the battery of the electric vehicle in accordance with a special charge protocol previously set when detecting that the abnormality in the communication therebetween occurs.
Dependencies are inferred from the claim text.