| IPC 7 English version |
| F-F01B03136 |
|
|
|
| SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
|
| F 01 | MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, F04); ENGINE PLANTS IN GENERAL; STEAM ENGINES |
|
| F 01 B | 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; internal-combustion aspects of reciprocating-piston engines F02B 57/00, F02B 59/00; 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) |
|
| Notes |
|
| (1) | This subclass covers, with the exception of the matter provided for in subclasses F01C to 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. |
|
| (2) | Attention is drawn to the Notes preceding class F01, especially as regards the definitions of "steam" and "special vapour". |
|
| Subclass Index |
|
| MACHINES OR ENGINES |
|
| With reciprocating pistons characterised by |
|
| number or relative disposition of cylinders |
|
| disposition of cylinder axes relative to main shaft |
|
| pistons reciprocating in same or coaxial cylinders; piston-main-shaft connections other than covered above |
|
| no rotary main shaft |
|
| rotary or other movement of cylinders |
|
| uniflow principle |
|
| With positive displacement of flexible-wall type |
|
| COMBINATIONS OR ADAPTATIONS OF MACHINES OR ENGINES |
|
| REGULATING, CONTROLLING, SAFETY MEANS; STARTING |
|
| OTHER CHARACTERISTICS; DETAILS, ACCESSORIES |
|
1/ | 00 | Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B 3/00, F01B 5/00 take precedence) [2] |
|
1/ | 01 | . | with one single cylinder [2] |
|
1/ | 02 | . | with cylinders all in one line |
|
1/ | 04 | . | with cylinders in V-arrangement |
|
1/ | 06 | . | with cylinders in star or fan arrangement |
|
1/ | 08 | . | with cylinders arranged oppositely relative to main shaft and of "flat" type |
|
1/ | 10 | . | with more than one main shaft, e.g. coupled to common output shaft (combinations of two or more machines or engines F01B 21/00) |
|
1/ | 12 | . | Separate cylinder-crankcase elements coupled together to form a unit |
|
3/ | 00 | Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis |
|
3/ | 02 | . | with wobble-plate |
|
3/ | 04 | . | the piston motion being transmitted by curved surfaces |
|
3/ | 06 | . | . | by multi-turn helical surfaces and automatic reversal |
|
3/ | 08 | . | . | . | the helices being arranged on the pistons |
|
3/ | 10 | . | Control of working-fluid admission or discharge peculiar thereto (suitable for more general application F01L) |
|
5/ | 00 | Reciprocating-piston machines or engines with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis |
|
7/ | 00 | Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders (in opposite arrangement relative to main shaft F01B 1/08) |
|
7/ | 02 | . | with oppositely reciprocating pistons |
|
7/ | 04 | . | . | acting on same main shaft |
|
7/ | 06 | . | . | . | using only connecting-rods for conversion of reciprocatory into rotary motion or vice versa |
|
7/ | 08 | . | . | . | . | with side rods |
|
7/ | 10 | . | . | . | . | having piston-rod of one piston passed through other piston |
|
7/ | 12 | . | . | . | using rockers and connecting-rods |
|
7/ | 14 | . | . | acting on different main shafts |
|
7/ | 16 | . | with pistons synchronously moving in tandem arrangement |
|
7/ | 18 | . | with differential piston (F01B 7/20 takes precedence) |
|
7/ | 20 | . | with two or more pistons reciprocating one within another, e.g. one piston forming cylinder of the other |
|
9/ | 00 | Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups (connections disengageable during idling F01B 31/24) |
|
9/ | 02 | . | with crankshaft |
|
9/ | 04 | . | with rotary main shaft other than crankshaft |
|
9/ | 06 | . | . | the piston motion being transmitted by curved surfaces |
|
9/ | 08 | . | . | with ratchet and pawl |
|
11/ | 00 | Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type |
|
11/ | 02 | . | Equalising or cushioning devices |
|
11/ | 04 | . | Engines combined with reciprocatory driven devices, e.g. hammers (with pumps F01B 23/08; predominating aspects of driven devices, see the relevant classes for the devices) |
|
11/ | 06 | . | . | for generating vibration only |
|
11/ | 08 | . | with direct fluid transmission link (F01B 11/02 takes precedence) |
|
13/ | 00 | Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion (machines or engines of flexible-wall type F01B 19/00) [2] |
|
13/ | 02 | . | with one cylinder only |
|
13/ | 04 | . | with more than one cylinder |
|
13/ | 06 | . | . | in star arrangement |
|
15/ | 00 | Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B 13/00 (with movable cylinder sleeves for working-fluid control F01L) |
|
15/ | 02 | . | with reciprocating cylinders (with one piston within another F01B 7/20) |
|
15/ | 04 | . | with oscillating cylinder |
|
15/ | 06 | . | . | Control of working-fluid admission or discharge peculiar thereto |
|
17/ | 00 | Reciprocating-piston machines or engines characterised by use of uniflow principle |
|
17/ | 02 | . | Engines |
|
17/ | 04 | . | . | Steam engines |
|
19/ | 00 | Positive-displacement machines or engines of flexible-wall type |
|
19/ | 02 | . | with plate-like flexible members |
|
19/ | 04 | . | with tubular flexible members |
|
21/ | 00 | Combinations of two or more machines or engines (F01B 23/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H; regulating or controlling, see the relevant groups) |
|
21/ | 02 | . | the machines or engines being all of reciprocating-piston type |
|
21/ | 04 | . | the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine |
|
23/ | 00 | Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby (F01B 11/00 takes precedence; fluid gearing F16H; aspects predominantly concerning driven devices, see the relevant classes for these devices; regulating or controlling, see the relevant groups) |
|
23/ | 02 | . | Adaptations for driving vehicles, e.g. locomotives (arrangements in vehicles, see the relevant classes for vehicles) |
|
23/ | 04 | . | . | the vehicles being waterborne vessels |
|
23/ | 06 | . | Adaptations for driving, or combinations with, hand-held tools or the like |
|
23/ | 08 | . | Adaptations for driving, or combinations with, pumps |
|
23/ | 10 | . | Adaptations for driving, or combinations with, electric generators |
|
23/ | 12 | . | Adaptations for driving rolling mills or other heavy reversing machinery |
|
25/ | 00 | Regulating, controlling, or safety means (regulating or controlling in general G05) |
|
25/ | 02 | . | Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity (distributing or expansion valve gear F01L) |
|
25/ | 04 | . | . | Sensing elements |
|
25/ | 06 | . | . | . | responsive to speed |
|
25/ | 08 | . | . | Final actuators |
|
25/ | 10 | . | . | . | Arrangements or adaptations of working-fluid admission or discharge valves (valves in general F16K) |
|
25/ | 12 | . | . | Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted (sensing elements alone F01B 25/04; final actuators alone F01B 25/08) |
|
25/ | 14 | . | . | peculiar to particular kinds of machines or engines |
|
25/ | 16 | . | Safety means responsive to specific conditions (against water hammer or the like in steam engines F01B 31/34) |
|
25/ | 18 | . | . | preventing rotation in wrong direction |
|
25/ | 20 | . | Checking operation of safety devices |
|
25/ | 22 | . | Braking by redirecting working fluid |
|
25/ | 24 | . | . | thereby regenerating energy |
|
25/ | 26 | . | Warning devices |
|
27/ | 00 | Starting of machines or engines (starting combustion engines F02N) |
|
27/ | 02 | . | of reciprocating-piston engines |
|
27/ | 04 | . | . | by directing working-fluid supply, e.g. by aid of by-pass steam conduits |
|
27/ | 06 | . | . | . | specially for compound engines |
|
27/ | 08 | . | . | Means for moving crank off dead-centre (turning-gear in general F16H) |
|
29/ | 00 | Machines or engines with pertinent characteristics other than those provided for in preceding main groups |
|
29/ | 02 | . | Atmospheric engines, i.e. atmosphere acting against vacuum |
|
29/ | 04 | . | characterised by means for converting from one type to a different one |
|
29/ | 06 | . | . | from steam engine into combustion engine |
|
29/ | 08 | . | Reciprocating-piston machines or engines not otherwise provided for |
|
29/ | 10 | . | . | Engines (refrigeration machines F25B) |
|
29/ | 12 | . | . | . | Steam engines (toy steam engines A63H 25/00) |
|
31/ | 00 | Component parts, details, or accessories not provided for in, or of interest apart from, other groups (machine or engine casings, other than those peculiar to steam engines, F16M) |
|
31/ | 02 | . | De-icing means for engines having icing phenomena |
|
31/ | 04 | . | Means for equalising torque in reciprocating-piston machines or engines (compensation of inertial forces, suppression of vibration in systems F16F) |
|
31/ | 06 | . | Means for compensating relative expansion of component parts |
|
31/ | 08 | . | Cooling of steam engines (cooling of fluid machines or engines in general F01P); Heating; Heat insulation (heat insulation in general F16L 59/00) |
|
31/ | 10 | . | Lubricating arrangements of steam engines (of fluid machines or engines in general F01M) |
|
31/ | 12 | . | Arrangements of measuring or indicating devices (warning apparatus F01B 25/26; measuring instruments or the like per se G01) |
|
31/ | 14 | . | Changing of compression ratio |
|
31/ | 16 | . | Silencers specially adapted for steam engines (arrangements of exhaust pipes or tubes on steam engines F01B 31/30; gas-flow silencers or exhaust silencers for machines or engines in general F01N) |
|
31/ | 18 | . | Draining |
|
31/ | 20 | . | . | of cylinders |
|
31/ | 22 | . | Idling devices, e.g. having by-passing valves |
|
31/ | 24 | . | . | Disengagement of connections between pistons and main shafts |
|
31/ | 26 | . | Other component parts, details, or accessories, peculiar to steam engines |
|
31/ | 28 | . | . | Cylinders or cylinder covers |
|
31/ | 30 | . | . | Arrangements of steam conduits |
|
31/ | 32 | . | . | Arrangements or adaptations of vacuum breakers |
|
31/ | 34 | . | . | Safety means against water hammer or against the penetration of water (steam traps F16T) |
|
31/ | 36 | . | . | . | automatically cutting-off steam supply |
|
 |
