DIFF Subgroup
F01P 7/04 by varying pump speed, e.g. by changing pump-drive gear ratio
Introduced: September 1968
Full Title
Controlling of coolant flow > the coolant being cooling-air > by varying pump speed, e.g. by changing pump-drive gear ratio
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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