IPC Subgroup
F02D 15/02 by alteration or displacement of piston stroke
Introduced: September 1968
Last revised: January 2006
Full Title
Varying compression ratio > by alteration or displacement of piston stroke
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- CONTROLLING COMBUSTION ENGINES