Descriptions for F01C and notes/indexes are displayed on this screen.
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ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES (combustion engines F02; internal-combustion aspects F02B 53/00, F02B 55/00; machines for liquids F03, F04)
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Note(s)
This subclass covers:rotary-piston or oscillating-piston engines for elastic fluids, e.g. steam;rotary-piston or oscillating-piston engines for liquids and elastic fluids;rotary-piston or oscillating-piston machines for elastic fluids;rotary-piston or oscillating-piston machines for liquids and elastic fluids. In this subclass, the following expression is used with the meaning indicated:"rotary-piston machine" includes the German expressions "Drehkolbenmaschinen", "Kreiskolbenmaschinen", and "Umlaufkolbenmaschinen". Attention is drawn to the Notes preceding class F01, especially as regards the definitions of "rotary-piston machine", "oscillating-piston machine", "rotary piston", "co-operating members", "movement of co-operating members", "teeth or tooth-equivalents" and "internal-axis".
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Subclass indexes
MACHINES OR ENGINES | With rotary pistons | 1/00-7/00 | With oscillating pistons | 9/00 | Control; monitoring; safety arrangements | 20/00 | COMBINATIONS OR ADAPTATIONS OF MACHINES OR ENGINES | 11/00, 13/00 | DRIVE OF CO-OPERATING MEMBERS; SEALING ARRANGEMENTS | 17/00; 19/00 | OTHER DETAILS OR ACCESSORIES | 21/00 |
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