Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
F01L 21/02

Piston or piston-rod used as valve member

Introduced: September 1968

Last revised: January 2006

Full Title

Use of working pistons or piston-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines > Piston or piston-rod used as valve member

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Subclass:
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES