F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
ENGINES AND PUMPS
 F01
MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, F04); ENGINE PLANTS IN GENERAL; STEAM ENGINES
 F01B
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; 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)
 F01B

Note(s)

  1. Attention is drawn to the notes preceding class F01, especially as regards the definitions of "steam" and "special vapour".
  2. This sub-class comprises the following subject-matter, except the matter provided for in sub-classes F01C-F01P:
    1. engines for elastic fluids, e.g. steam engines,
    2. engines for liquids and elastic fluids,
    3. machines for elastic fluids,
    4. machines for liquids and elastic fluids.
 F01B 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]
 F01B 1/01
·  with one single cylinder  [2]
 F01B 1/02
·  with cylinders all in one line
 F01B 1/04
·  with cylinders in V-arrangement
 F01B 1/06
·  with cylinders in star or fan arrangement
 F01B 1/08
·  with cylinders arranged oppositely relative to main shaft and of "flat" type
 F01B 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)
 F01B 1/12
·  Separate cylinder-crankcase elements coupled together to form a unit
 F01B 3/00
Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
 F01B 3/02
·  with wobble-plate
 F01B 3/04
·  the piston motion being transmitted by curved surfaces
 F01B 3/06
·  ·  by multi-turn helical surfaces and automatic reversal
 F01B 3/08
·  ·  ·  the helices being arranged on the pistons
 F01B 3/10
·  Control of working-fluid admission or discharge peculiar thereto (suitable for more general application F01L)
 F01B 5/00
Reciprocating-piston machines or engines with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis
 F01B 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)
 F01B 7/02
·  with oppositely reciprocating pistons
 F01B 7/04
·  ·  acting on same main shaft
 F01B 7/06
·  ·  ·  using only connecting-rods for conversion of reciprocatory into rotary motion or vice versa
 F01B 7/08
·  ·  ·  ·  with side rods
 F01B 7/10
·  ·  ·  ·  having piston-rod of one piston passed through other piston
 F01B 7/12
·  ·  ·  using rockers and connecting-rods
 F01B 7/14
·  ·  acting on different main shafts
 F01B 7/16
·  with pistons synchronously moving in tandem arrangement
 F01B 7/18
·  with differential piston (F01B 7/20 takes precedence)
 F01B 7/20
·  with two or more pistons reciprocating one within another, e.g. one piston forming cylinder of the other
 F01B 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)
 F01B 9/02
·  with crankshaft
 F01B 9/04
·  with rotary main shaft other than crankshaft
 F01B 9/06
·  ·  the piston motion being transmitted by curved surfaces
 F01B 9/08
·  ·  with ratchet and pawl
 F01B 11/00
Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
 F01B 11/02
·  Equalising or cushioning devices
 F01B 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)
 F01B 11/06
·  ·  for generating vibration only
 F01B 11/08
·  with direct fluid transmission link (F01B 11/02 takes precedence)
 F01B 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]
 F01B 13/02
·  with one cylinder only
 F01B 13/04
·  with more than one cylinder
 F01B 13/06
·  ·  in star arrangement
 F01B 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)
 F01B 15/02
·  with reciprocating cylinders (with one piston within another F01B 7/20)
 F01B 15/04
·  with oscillating cylinder
 F01B 15/06
·  ·  Control of working-fluid admission or discharge peculiar thereto
 F01B 17/00
Reciprocating-piston machines or engines characterised by use of uniflow principle
 F01B 17/02
·  Engines
 F01B 17/04
·  ·  Steam engines
 F01B 19/00
Positive-displacement machines or engines of flexible-wall type
 F01B 19/02
·  with plate-like flexible members
 F01B 19/04
·  with tubular flexible members
 F01B 21/00
Combinations of two or more machines or engines (F01B 23/00 takes precedence; regulating or controlling, see the relevant groups; combinations of two or more pumps F04; fluid gearing F16H)
 F01B 21/02
·  the machines or engines being all of reciprocating-piston type
 F01B 21/04
·  the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine
 F01B 23/00
Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby (F01B 11/00 takes precedence; aspect devices, see the relevant classes for these devices; regulating or controlling, see the relevant groups; fluid gearing F16H)
 F01B 23/02
·  Adaptations for driving vehicles, e.g. locomotives (arrangements in vehicles, see the relevant classes for vehicles)
 F01B 23/04
·  ·  the vehicles being waterborne vessels
 F01B 23/06
·  Adaptations for driving, or combinations with, hand-held tools or the like
 F01B 23/08
·  Adaptations for driving, or combinations with, pumps
 F01B 23/10
·  Adaptations for driving, or combinations with, electric generators
 F01B 23/12
·  Adaptations for driving rolling mills or other heavy reversing machinery
 F01B 25/00
Regulating, controlling, or safety means (regulating or controlling in general G05)
 F01B 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)
 F01B 25/04
·  ·  Sensing elements
 F01B 25/06
·  ·  ·  responsive to speed
 F01B 25/08
·  ·  Final actuators
 F01B 25/10
·  ·  ·  Arrangements or adaptations of working-fluid admission or discharge valves (valves per se F16K)
 F01B 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)
 F01B 25/14
·  ·  peculiar to particular kinds of machines or engines
 F01B 25/16
·  Safety means responsive to specific conditions (against water hammer or the like in steam engines F01B 31/34)
 F01B 25/18
·  ·  preventing rotation in wrong direction
 F01B 25/20
·  Checking operation of safety devices
 F01B 25/22
·  Braking by redirecting working fluid
 F01B 25/24
·  ·  thereby regenerating energy
 F01B 25/26
·  Warning devices
 F01B 27/00
Starting of machines or engines (starting combustion engines F02N)
 F01B 27/02
·  of reciprocating-piston engines
 F01B 27/04
·  ·  by directing working-fluid supply, e.g. by aid of by-pass steam conduits
 F01B 27/06
·  ·  ·  specially for compound engines
 F01B 27/08
·  ·  Means for moving crank off dead-centre (turning-gear in general F16H)
 F01B 29/00
Machines or engines with pertinent characteristics other than those provided for in preceding main groups
 F01B 29/02
·  Atmospheric engines, i.e. atmosphere acting against vacuum
 F01B 29/04
·  characterised by means for converting from one type to a different one
 F01B 29/06
·  ·  from steam engine into combustion engine
 F01B 29/08
·  Reciprocating-piston machines or engines not otherwise provided for
 F01B 29/10
·  ·  Engines (refrigerating expansion engines F25B)
 F01B 29/12
·  ·  ·  Steam engines (toy steam engines A63H 25/00)
 F01B 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)
 F01B 31/02
·  De-icing means for engines having icing phenomena
 F01B 31/04
·  Means for equalising torque in reciprocating-piston machines or engines (compensation of inertial forces, suppression of vibration in systems F16F)
 F01B 31/06
·  Means for compensating relative expansion of component parts
 F01B 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)
 F01B 31/10
·  Lubricating arrangements of steam engines (of fluid machines or engines in general F01M)
 F01B 31/12
·  Arrangements of measuring or indicating devices (warning apparatus F01B 25/26; measuring instruments or the like per se G01)
 F01B 31/14
·  Changing of compression ratio
 F01B 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)
 F01B 31/18
·  Draining
 F01B 31/20
·  ·  of cylinders
 F01B 31/22
·  Idling devices, e.g. having by-passing valves
 F01B 31/24
·  ·  Disengagement of connections between pistons and main shafts
 F01B 31/26
·  Other component parts, details, or accessories, peculiar to steam engines
 F01B 31/28
·  ·  Cylinders or cylinder covers
 F01B 31/30
·  ·  Arrangements of steam conduits
 F01B 31/32
·  ·  Arrangements or adaptations of vacuum breakers
 F01B 31/34
·  ·  Safety means against water hammer or against the penetration of water (steam traps per se F16T)
 F01B 31/36
·  ·  ·  automatically cutting-off steam supply