Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear

Introduced: September 1968

Last revised: January 2006

Full Title

Valve drive, valve adjustment during operation, or other valve control, not provided for in groups > Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear

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

5 direct subcodes

Child Classifications

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F01L 31/1 the drive being effected by eccentrics
F01L 31/14 Valve adjustment by links or guide rods, e.g. in valve-gears with eccentric drive
F01L 31/16 the drive being effected by specific means other than eccentric, e.g. cams; Valve adjustment in connection with such drives
F01L 31/18 specially for rotary or oscillatory valves
F01L 31/22 specially for lift valves