F01L25/04 - CPC Classification Index

ClassID:

137428 ⎘

F01L25/04 - CPC Classification

Classification description:

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

Sub-classes:

F01L25/06 » Arrangement with main and auxiliary valves, at least one of them being fluid-driven 3

Recent Application in this class:

20200325915

2020-10-15

Hydraulic pressure amplifier arrangement

20180278188

2018-09-27

Torsional damping for generators

20140123845

2014-05-08

Rodless power cylinder

20060082950

2006-04-20

Air valve for an air driven reciprocating device