CPC Main Group
F01L 13/00 Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
8 direct subcodes
Child Classifications
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- F01L 13/02 for reversing
- F01L 13/04 for starting by means of fluid pressure
- F01L 13/06 for braking
- F01L 13/08 for decompression, e.g. during starting; for changing compression ratio