CPC Subgroup Additional Only
F05D 2270/02 to control rotational speed (n)
Full Title
Control > Purpose of the control system > to control rotational speed (n)
4 direct subcodes
Child Classifications
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- F05D 2270/021 to prevent overspeed
- F05D 2270/022 to prevent underspeed
- F05D 2270/023 of different spools or shafts
- F05D 2270/024 to keep rotational speed constant