|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||290/017 ; 290/040A ; 290/040B ; 290/040E ; 290/040F ; 290/034 ; 290/036R ; 290/037A ; 290/037B|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 69 인용 특허 : 8|
A hybrid drive system including an engine and an electric motor at least one of which is operated as drive power source to drive a motor vehicle in a selected one of different operation modes. The system is adapted to prevent concurrent operations to change the operation mode and the speed ratio of a power transmitting device or the ratio of torque distribution to front and rear drive wheels, or concurrent operations to change the operation mode and switch the power transmitting device from a non-drive state to a drive state, for avoiding a shock due to ...
[ What is claimed is:] [1.] A hybrid drive system for a motor vehicle, comprising:a drive power source including an engine operated by combustion of a fuel, and an electric motor operated with an electric energy, at least one of said engine and said electric motor being operated for driving the motor vehicle in a plurality of operation modes;an automatic transmission which is disposed between said drive power source and a drive wheel of the motor vehicle and whose speed ratio is variable;mode selecting means for selecting one of said plurality of operati...