DIFF Subgroup
F01L 25/06 Arrangements with main and auxiliary valves, at least one of them being fluid-driven
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Drive, or adjustment during operation, of distribution or expansion valves by non-mechanical means > by fluid means > by working fluid of machine or engine, e.g. free-piston machine > Arrangements with main and auxiliary valves, at least one of them being fluid-driven
CPC:
Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means > by fluid means > by working-fluid of machine or engine, e.g. free-piston machine > Arrangements with main and auxiliary valves, at least one of them being fluid-driven
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open