Device for changing compression ratio of internal combustion engine, has free wheel which is arranged between rotary drive and gear wheel, where rotary drive is speed controlled or speed regulated

摘要

The device has a free wheel which is arranged between the rotary drive and the gear wheel (14). The rotary drive is speed controlled or speed regulated. The rotary drive comprises a speed controlled or speed regulated electric motor. The free-wheel is arranged between the gear wheel and an adjusting shaft propelled by the rotary drive. An independent claim is included for a method for changing the compression ratio of an internal combustion engine.