Descriptions for F01L and notes/indexes are displayed on this screen.
| F01L
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CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
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Note(s)
Groups F01L 1/00-F01L 13/00 cover only valve-gear or valve arrangements without provision for variable fluid distribution.[2009.01]Valve gear or valve arrangements specially adapted for steam engines are covered by groups F01L 15/00-F01L 35/00.Valve-gear or valve arrangements specially adapted for machines or engines with variable working-fluid distribution are covered by groups F01L 15/00-F01L 35/00.Attention is drawn to the Notes preceding class F01, especially Note (3).As regards the above-mentioned Note (3), attention is drawn to F01B 3/10, F01B 15/06, F01C 20/20, F01C 21/18, F02B 53/06, F03C 1/08, F04B 1/18, F04B 7/00, F04B 39/08, F04B 39/10, F04C 14/00, F04C 15/06, F04C 28/00 and F04C 29/12.
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Subclass indexes
VALVE-GEAR OR VALVE ARRANGEMENTS IN GENERAL | General features | 1/00 | Operation | mechanical | 1/00 | non-mechanical | 9/00 | Lift valves | 3/00 | Slide valves | 5/00, 7/00 | Arrangements in piston or piston-rod | 11/00 | Modified to facilitate engine operations | 13/00 | VALVE-GEAR OR VALVE ARRANGEMENTS FOR VARIABLE WORKING-FLUID DISTRIBUTION | General features | 1/00 | With slide valves | surrounding cylinder or piston | 17/00 | with rotary or oscillatory motion; combined | 33/00; 19/00 | other features | 15/00 | With lift valves | 35/00 | Arrangements with particular characteristics; reversing gear | 21/00-27/00; 29/00 | Other valve-gear or valve arrangements | 15/00 | Drive, control, or adjustment | 25/00, 31/00 |
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