Descriptions for F01B and notes/indexes are displayed on this screen.
| F01B
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MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES (of rotary-piston or oscillating-piston type F01C; of non-positive-displacement type F01D; combustion engines F02; internal-combustion aspects of reciprocating-piston engines F02B 57/00, F02B 59/00; machines for liquids F03, F04; crankshafts, crossheads, connecting-rods F16C; flywheels F16F; gearings for interconverting rotary motion and reciprocating motion in general F16H; pistons, piston-rods, cylinders, for engines in general F16J)
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Note(s)
This subclass covers, with the exception of the matter provided for in subclasses F01C-F01P:engines for elastic fluids, e.g. steam engines;engines for liquids and elastic fluids;machines for elastic fluids;machines for liquids and elastic fluids. Attention is drawn to the Notes preceding class F01, especially as regards the definitions of "steam" and "special vapour".
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Subclass indexes
MACHINES OR ENGINES | With reciprocating pistons characterised by | number or relative disposition of cylinders | 1/00 | disposition of cylinder axes relative to main shaft | 3/00, 5/00 | pistons reciprocating in same or coaxial cylinders; piston-main-shaft connections other than covered above | 7/00, 1/08; 9/00 | no rotary main shaft | 11/00 | rotary or other movement of cylinders | 13/00, 15/00 | uniflow principle | 17/00 | With positive displacement of flexible-wall type | 19/00 | COMBINATIONS OR ADAPTATIONS OF MACHINES OR ENGINES | 21/00, 23/00 | REGULATING, CONTROLLING, SAFETY MEANS; STARTING | 25/00; 27/00 | OTHER CHARACTERISTICS; DETAILS, ACCESSORIES | 29/00; 31/00 |
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