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

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

Scope Notes

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

Child Classifications

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• F01L 3/02 Selecting particular materials for valve members or valve seats; Valve members or valve seats composed of two or more materials
• F01L 3/06 Valve members or valve seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge
• F01L 3/08 Valve guides; Sealing of valve stem, e.g. sealing by lubricant
• F01L 3/1 Connecting springs to valve members
• F01L 3/12 Cooling of valves
• F01L 3/2 Shapes or constructions of valve members, not provided for in preceding subgroups of this group
• F01L 3/22 Valve seats not provided for in preceding subgroups of this group; Fixing of valve seats
• F01L 3/24 Safety means or accessories, not provided for in preceding subgroups of this group