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 (lift-valve and valve-seat assemblies per se F01L3/00; slide-valve gear F01L5/00; actuated non-mechanically F01L9/00; valve arrangements in working piston or piston rod F01L11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L13/00) IPC+CPC Available in IPC and CPC
• F01L 11/00 Valve arrangements in working piston or piston-rod IPC+CPC Available in IPC and CPC
• F01L 13/00 Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations +4 CPC IPC+CPC Available in IPC and CPC
• F01L 15/00 Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 (valve drive or external valve-adjustment during operation, tripping-gear or tripping of valves F01L31/00) IPC+CPC Available in IPC and CPC
• F01L 17/00 Slide valve-gear or valve arrangements with cylindrical, sleeve, or part annularly-shaped valves surrounding working cylinder or piston IPC+CPC Available in IPC and CPC
• F01L 19/00 Slide valve-gear or valve arrangements with reciprocatory and other movement of same valve, other than provided for in F01L17/00, e.g. longitudinally of working cylinder and in cross direction IPC+CPC Available in IPC and CPC
• F01L 21/00 Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines IPC+CPC Available in IPC and CPC
• F01L 2201/00 Electronic control systems; Apparatus or methods therefor 2nd only CPC only CPC only
• F01L 2250/00 Camshaft drives characterised by their transmission means 2nd only +3 CPC CPC only CPC only
• F01L 23/00 Valves controlled by impact by piston, e.g. in free-piston machines IPC+CPC Available in IPC and CPC
• F01L 2301/00 Using particular materials 2nd only +1 CPC CPC only CPC only
• F01L 2303/00 Manufacturing of components used in valve arrangements 2nd only +2 CPC CPC only CPC only
• F01L 2305/00 Valve arrangements comprising rollers 2nd only +1 CPC CPC only CPC only
• F01L 2307/00 Preventing the rotation of tappets 2nd only CPC only CPC only
• F01L 2309/00 Self-contained lash adjusters 2nd only CPC only CPC only
• F01L 2311/00 Differential gears located between crankshafts and camshafts for varying the timing of valves 2nd only CPC only CPC only
• F01L 2313/00 Rotary valve drives 2nd only CPC only CPC only
• F01L 25/00 Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means IPC+CPC Available in IPC and CPC
• F01L 27/00 Distribution or expansion valve-gear peculiar to free-piston machines or engines and not provided for in F01L21/00 - F01L25/00 IPC+CPC Available in IPC and CPC
• F01L 2710/00 Control of valve gear, speed or power 2nd only +2 CPC CPC only CPC only
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