by fluid means, e.g. hydraulic

Full Title

Valve-gear or valve arrangements actuated non-mechanically > by fluid means, e.g. hydraulic

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

Child Classifications

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• F01L 9/11 in which the action of a cam is being transmitted to a valve by a liquid column
• F01L 9/16 Pneumatic means
• F01L 9/18 Means for increasing the initial opening force on the valve