Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations

Introduced: September 1968

Last revised: January 2006

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

Application references: Valve-gear specially for steam engines or specially for other machines or engines with variable fluid distribution

4 direct subcodes

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F01L 13/02 for reversing
F01L 13/04 for starting by means of fluid pressure
F01L 13/06 for braking
F01L 13/08 for decompression, e.g. during starting; for changing compression ratio