CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES

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 1/00 Valve-gear or valve arrangements, e.g. lift-valve gear
• F01L 11/00 Valve arrangements in working piston or piston-rod
• F01L 13/00 Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
• F01L 15/00 Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups
• F01L 17/00 Slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves surrounding working cylinder or piston
• F01L 19/00 Slide-valve gear or valve arrangements with reciprocatory and other movement of same valve, other than provided for in group , e.g. longitudinally and in cross direction of working cylinder
• F01L 21/00 Use of working pistons or piston-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
• F01L 23/00 Valves controlled by impact of piston, e.g. in free-piston machines
• F01L 25/00 Drive, or adjustment during operation, of distribution or expansion valves by non-mechanical means
• F01L 27/00 Distribution or expansion-valve gear peculiar to free-piston machines or engines and not provided for in groups
• F01L 29/00 Reversing-gear
• F01L 3/00 Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
• F01L 31/00 Valve drive, valve adjustment during operation, or other valve control, not provided for in groups
• F01L 33/00 Rotary or oscillatory slide-valve gear or valve arrangements, specially adapted for machines or engines with variable fluid distribution
• F01L 35/00 Lift-valve gear or valve arrangements specially adapted for machines or engines with variable fluid distribution
• F01L 5/00 Slide-valve gear or valve arrangements
• F01L 7/00 Rotary or oscillatory slide-valve gear or valve arrangements
• F01L 9/00 Valve-gear or valve arrangements actuated non-mechanically