CPC Subgroup
F01C 20/18 characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F01C20/10)
Full Title
Control of, monitoring of, or safety arrangements for, machines or engines > characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F01C20/10)
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F01C 20/20 by changing the form of the inner or outlet contour of the working chamber
- F01C 20/22 by changing the eccentricity between cooperating members