by working-fluid of machine or engine, e.g. free-piston machine

Introduced: September 1968

Title

Titles differ between systems:

IPC: by working fluid of machine or engine, e.g. free-piston machine

CPC: by working-fluid of machine or engine, e.g. free-piston machine

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

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

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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F01L 25/06 Arrangements with main and auxiliary valves, at least one of them being fluid-driven +2 CPC IPC+CPC Available in IPC and CPC