초록 ▼

Hybrid motor vehicle drive system including an electric motor operated by an electric energy generated by an electric generator and stored in a storage device, an engine, and a controller for controlling the engine and electric generator to operate in an electricity generating drive mode when a pred

Hybrid motor vehicle drive system including an electric motor operated by an electric energy generated by an electric generator and stored in a storage device, an engine, and a controller for controlling the engine and electric generator to operate in an electricity generating drive mode when a predetermined condition is satisfied, such that the engine is operated so as to provide an output greater than a required power to drive the motor vehicle, so that the vehicle is driven by the engine with the required power while the electric generator is operated by the engine with a surplus power to charge the storage, and wherein the controller includes a special control device operated in the event of a failure of the electric generator, for inhibiting the selection of the electricity generating drive mode and selecting an engine drive mode to operate the engine for driving the motor vehicle with the required power, even when the predetermined condition is satisfied.

대표청구항 ▼

[ What is claimed is:] [1.] A hybrid drive system for a motor vehicle, comprising:an electric generator for generating electric energy;an electric energy storage device for storing the electric energy generated by said electric generator;an electric motor operated as a first drive power source by th

[ What is claimed is:] [1.] A hybrid drive system for a motor vehicle, comprising:an electric generator for generating electric energy;an electric energy storage device for storing the electric energy generated by said electric generator;an electric motor operated as a first drive power source by the electric energy stored in said electric energy storage device;an engine operated as a second drive power source by combustion of a fuel; anda controller for controlling said engine and said electric generator to operate in an electricity generating drive mode when a predetermined condition is satisfied, such that said engine is operated so as to provide an output greater than a required power necessary for driving the motor vehicle, so that the motor vehicle is driven by said engine with said required power while said electric generator is operated by said engine with a surplus power to charge said electric energy storage device, said surplus power being said output minus said required power,said controller including drive power control means operated in response to a failure of said electric generator, for calculating said required power necessary for driving the motor vehicle in a present running condition of the motor vehicle, for inhibiting a selection of said electricity generating drive mode, and for selecting an engine drive mode that drives the motor vehicle with said required power but not said surplus power, even when said predetermined condition for selecting said electricity generating drive mode is satisfied.