DIFF Subgroup
F02B 39/08 Non-mechanical drives, e.g. fluid drives having variable gear ratio
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Component parts, details, or accessories relating to driven charging or scavenging pumps, not provided for in groups > Drives of pumps; Varying pump drive gear ratio > Non-mechanical drives, e.g. fluid drives having variable gear ratio
CPC:
Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00 > Drives of pumps (exhaust drives or combined exhaust and other drives F02B37/00); Varying pump drive gear ratio > Non-mechanical drives, e.g. fluid drives having variable gear ratio
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open