IPC Subgroup
F01C 20/18 characterised by varying the volume of the working chamber
Introduced: January 2006
Full Title
Control of, monitoring of, or safety arrangements for, machines or engines > characterised by varying the volume of the working chamber
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
2 direct subcodes
Child Classifications
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- F01C 20/2 by changing the form of the inner or outer contour of the working chamber
- F01C 20/22 by changing the eccentricity between cooperating members