F02B 1/00
|
Engines characterised by fuel-air mixture compression |
F02B 1/02
|
Engines characterised by fuel-air mixture compression with positive ignition |
F02B 1/04
|
Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder |
F02B 1/06
|
Methods of operating |
F02B 1/08
|
Engines characterised by fuel-air mixture compression with positive ignition with separate admission of air and fuel into cylinder |
F02B 1/10
|
Methods of operating |
F02B 1/12
|
Engines characterised by fuel-air mixture compression with compression ignition |
F02B 1/14
|
Methods of operating |
F02B 3/00
|
Engines characterised by air compression and subsequent fuel addition |
F02B 3/02
|
Engines characterised by air compression and subsequent fuel addition with positive ignition |
F02B 3/04
|
Methods of operating |
F02B 3/06
|
Engines characterised by air compression and subsequent fuel addition with compression ignition |
F02B 3/08
|
Methods of operating |
F02B 3/10
|
Engines characterised by air compression and subsequent fuel addition with compression ignition with intermittent fuel introduction |
F02B 3/12
|
Methods of operating |
F02B 5/00
|
Engines characterised by positive ignition |
F02B 5/02
|
Methods of operating |
F02B 7/00
|
Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel |
F02B 7/02
|
Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel the fuel in the charge being liquid |
F02B 7/04
|
Methods of operating |
F02B 7/06
|
Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel the fuel in the charge being gaseous |
F02B 7/08
|
Methods of operating |
F02B 9/00
|
Engines characterised by other types of ignition |
F02B 9/02
|
Engines characterised by other types of ignition with compression ignition |
F02B 9/04
|
Methods of operating |
F02B 9/06
|
Engines characterised by other types of ignition with non-timed positive ignition, e.g. with hot-spots |
F02B 9/08
|
Engines characterised by other types of ignition with non-timed positive ignition, e.g. with hot-spots with incandescent chambers |
F02B 9/10
|
Chamber shapes or constructions |
F02B 11/00
|
Engines characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition, e.g. in different cylinders |
F02B 11/02
|
Engines characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition, e.g. in different cylinders convertible from fuel-air mixture compression to air compression or vice versa |
F02B 13/00
|
Engines characterised by the introduction of liquid fuel into cylinders by use of auxiliary fluid |
F02B 13/02
|
Compression ignition engines using air or gas for blowing fuel into compressed air in cylinder |
F02B 13/04
|
Arrangements or adaptations of pumps |
F02B 13/06
|
Engines having secondary air mixed with fuel in pump, compressed therein without ignition, and fuel-air mixture being injected into air in cylinder |
F02B 13/08
|
Arrangements or adaptations of pumps |
F02B 13/10
|
Use of specific auxiliary fluids, e.g. steam, combustion gas |
F02B 15/00
|
Engines characterised by the method of introducing liquid fuel into cylinders and not otherwise provided for |
F02B 15/02
|
Engines characterised by the method of introducing liquid fuel into cylinders and not otherwise provided for having means for sucking fuel directly into cylinder |
F02B 17/00
|
Engines characterised by means for effecting stratification of charge in cylinders |
F02B 19/00
|
Engines characterised by precombustion chambers |
F02B 19/02
|
Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder |
F02B 19/04
|
Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder the isolation being effected by a protuberance on piston or cylinder head |
F02B 19/06
|
Engines characterised by precombustion chambers with auxiliary piston in chamber for transferring ignited charge to cylinder space |
F02B 19/08
|
Engines characterised by precombustion chambers the chamber being of air-swirl type |
F02B 19/10
|
Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder |
F02B 19/12
|
Engines characterised by precombustion chambers with positive ignition |
F02B 19/14
|
Engines characterised by precombustion chambers with compression ignition |
F02B 19/16
|
Chamber shapes or constructions not specific to groups |
F02B 19/18
|
Transfer passages between chamber and cylinder |
F02B 21/00
|
Engines characterised by air-storage chambers |
F02B 21/02
|
Chamber shapes or constructions |
F02B 23/00
|
Other engines characterised by special shape or construction of combustion chambers to improve operation |
F02B 23/02
|
Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition |
F02B 23/04
|
Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being subdivided into two or more chambers |
F02B 23/06
|
Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston |
F02B 23/08
|
Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition |
F02B 23/10
|
Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder |
F02B 25/00
|
Engines characterised by using fresh charge for scavenging cylinders |
F02B 25/02
|
Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging |
F02B 25/04
|
Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke |
F02B 25/06
|
Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke the cylinder-head ports being controlled by working pistons, e.g. by sleeve-shaped extensions thereof |
F02B 25/08
|
Engines with oppositely-moving reciprocating working pistons |
F02B 25/10
|
Engines with oppositely-moving reciprocating working pistons with one piston having a smaller diameter or shorter stroke than the other |
F02B 25/12
|
Engines with U-shaped cylinders, having ports in each arm |
F02B 25/14
|
Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both inlet and outlet ports arranged near bottom of piston stroke |
F02B 25/16
|
Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both inlet and outlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall opposite the inlet ports |
F02B 25/18
|
Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both inlet and outlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall adjacent the inlet ports, e.g. by means of deflection rib on piston |
F02B 25/20
|
Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports, not provided for in, or of interest apart from, groups |
F02B 25/22
|
Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports, not provided for in, or of interest apart from, groups by forming air cushion between charge and combustion residues |
F02B 25/24
|
Inlet or outlet openings being timed asymmetrically relative to bottom dead-centre |
F02B 25/26
|
Multi-cylinder engines other than those provided for in, or of interest apart from, groups |
F02B 25/28
|
Multi-cylinder engines other than those provided for in, or of interest apart from, groups with V-, fan-, or star-arrangement of cylinders |
F02B 27/00
|
Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues |
F02B 27/02
|
Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means |
F02B 27/04
|
Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases |
F02B 27/06
|
Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means |
F02B 29/00
|
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL - Details thereof |
F02B 29/02
|
Other fluid-dynamic features of induction systems for improving quantity of charge |
F02B 29/04
|
Cooling of air intake supply |
F02B 29/06
|
After-charging, i.e. supplementary charging after scavenging |
F02B 29/08
|
Modifying distribution valve timing for charging purposes |
F02B 31/00
|
Modifying induction systems for imparting a rotation to the charge in the cylinder |
F02B 31/02
|
Modifying induction systems for imparting a rotation to the charge in the cylinder in engines having inlet valves arranged eccentrically to cylinder axis |
F02B 31/04
|
Modifying induction systems for imparting a rotation to the charge in the cylinder by means within the induction channel, e.g. deflectors |
F02B 31/06
|
Movable means, e.g. butterfly valves |
F02B 31/08
|
Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets |
F02B 33/00
|
Engines characterised by provision of pumps for charging or scavenging |
F02B 33/02
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps |
F02B 33/04
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase |
F02B 33/06
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps |
F02B 33/08
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the working-cylinder head arranged between working and pumping cylinders |
F02B 33/10
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder |
F02B 33/12
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder the rear face of working piston acting as pumping member and co-operating with a pumping chamber isolated from crankcase, the connecting-rod passing through the chamber and co-operating with movable isolating member |
F02B 33/14
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder working and pumping pistons forming stepped piston |
F02B 33/16
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder working and pumping pistons having differing movements |
F02B 33/18
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with crankshaft being arranged between working and pumping cylinders |
F02B 33/20
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with pumping-cylinder axis arranged at an angle to working-cylinder axis, e.g. at an angle of 90° |
F02B 33/22
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with pumping cylinder situated at side of working cylinder, e.g. the cylinders being parallel |
F02B 33/24
|
Engines with reciprocating-piston pumps; Engines with crankcase pumps with crankcase pumps other than with reciprocating pistons only |
F02B 33/26
|
Four-stroke engines characterised by having crankcase pumps |
F02B 33/28
|
Component parts, details, or accessories of crankcase pumps not provided for in, or of interest apart from, groups |
F02B 33/30
|
Control of inlet or outlet ports |
F02B 33/32
|
Engines with pumps other than of reciprocating-piston type |
F02B 33/34
|
Engines with pumps other than of reciprocating-piston type with rotary pumps |
F02B 33/36
|
Engines with pumps other than of reciprocating-piston type with rotary pumps of positive-displacement type |
F02B 33/38
|
Engines with pumps other than of reciprocating-piston type with rotary pumps of positive-displacement type of Roots type |
F02B 33/40
|
Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type |
F02B 33/42
|
Engines with pumps other than of reciprocating-piston type with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers |
F02B 33/44
|
Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs |
F02B 35/00
|
Engines characterised by provision of pumps for sucking combustion residues from cylinders |
F02B 35/02
|
Engines characterised by provision of pumps for sucking combustion residues from cylinders using rotary pumps |
F02B 37/00
|
Engines characterised by provision of pumps driven at least for part of the time by exhaust |
F02B 37/02
|
Gas passages between engine outlet and pump drive, e.g. reservoirs |
F02B 37/04
|
Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump |
F02B 37/007
|
Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in parallel |
F02B 37/10
|
Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternately driven by exhaust and other drive |
F02B 37/11
|
Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternately driven by exhaust and other drive driven by other drive at starting only |
F02B 37/12
|
Control of the pumps |
F02B 37/013
|
Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series |
F02B 37/14
|
Control of the pumps of the alternation between exhaust drive and other drive of a pump, e.g. dependent on speed |
F02B 37/16
|
Control of the pumps by bypassing charging air |
F02B 37/18
|
Control of the pumps by bypassing exhaust |
F02B 37/20
|
Control of the pumps by increasing exhaust energy, e.g. using combustion chambers |
F02B 37/22
|
Control of the pumps by varying the cross-section of exhaust passages or air passages |
F02B 37/24
|
Control of the pumps by using pumps or turbines with adjustable guide vanes |
F02B 39/00
|
Component parts, details, or accessories relating to driven charging or scavenging pumps, not provided for in groups |
F02B 39/02
|
Drives of pumps ; Varying pump drive gear ratio |
F02B 39/04
|
Mechanical drives; Variable-gear-ratio drives |
F02B 39/06
|
Mechanical drives; Variable-gear-ratio drives the engine torque being divided by a differential gear for driving a pump and the engine output shaft |
F02B 39/08
|
Non-mechanical drives, e.g. fluid drives having variable gear ratio |
F02B 39/10
|
Non-mechanical drives, e.g. fluid drives having variable gear ratio electric |
F02B 39/12
|
Drives characterised by use of couplings or clutches therein |
F02B 39/14
|
Lubrication of pumps; Safety measures therefor |
F02B 39/16
|
Other safety measures for, or other control of, pumps |
F02B 41/00
|
Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power |
F02B 41/02
|
Engines with prolonged expansion |
F02B 41/04
|
Engines with prolonged expansion in main cylinders |
F02B 41/06
|
Engines with prolonged expansion in compound cylinders |
F02B 41/08
|
Two-stroke compound engines |
F02B 41/10
|
Engines with prolonged expansion using exhaust turbines |
F02B 43/00
|
Engines characterised by operating on gaseous fuels; Plants including such engines |
F02B 43/02
|
Engines characterised by means for increasing operating efficiency |
F02B 43/04
|
Engines characterised by means for increasing operating efficiency for improving efficiency of combustion |
F02B 43/06
|
Engines characterised by means for increasing operating efficiency for enlarging charge |
F02B 43/08
|
Plants characterised by the engines using gaseous fuel generated in the plant from solid fuel, e.g. wood |
F02B 43/10
|
Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen |
F02B 43/12
|
Methods of operating |
F02B 45/00
|
Engines characterised by operating on non-liquid fuels other than gas; Plants including such engines |
F02B 45/02
|
Engines characterised by operating on non-liquid fuels other than gas; Plants including such engines operating on powdered fuel, e.g. powdered coal |
F02B 45/04
|
Plants, e.g. having coal-grinding apparatus |
F02B 45/06
|
Engines characterised by operating on non-liquid fuels other than gas; Plants including such engines operating on fuel containing oxidant |
F02B 45/08
|
Engines characterised by operating on non-liquid fuels other than gas; Plants including such engines operating on other solid fuels |
F02B 45/10
|
Engines characterised by operating on non-liquid fuels other than gas; Plants including such engines operating on mixtures of liquid and non-liquid fuels, e.g. in pasty or foamed state |
F02B 47/00
|
Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines |
F02B 47/02
|
Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam |
F02B 47/04
|
Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only |
F02B 47/06
|
Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including non-airborne oxygen |
F02B 47/08
|
Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas |
F02B 47/10
|
Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen |
F02B 49/00
|
Methods of operating air-compressing compression-ignition engines involving introduction of small quantities of fuel in the form of a fine mist into the air in the engine's intake |
F02B 51/00
|
Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines |
F02B 51/02
|
Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines involving catalysts |
F02B 51/04
|
Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines involving electricity or magnetism |
F02B 51/06
|
Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines involving rays or sound waves |
F02B 53/00
|
Internal-combustion aspects of rotary-piston or oscillating-piston engines |
F02B 53/02
|
Methods of operating |
F02B 53/04
|
Charge admission or combustion-gas discharge |
F02B 53/06
|
Valve control therefor |
F02B 53/08
|
Charging, e.g. by means of rotary-piston pump |
F02B 53/10
|
Fuel supply; Introducing fuel to combustion space |
F02B 53/12
|
Ignition |
F02B 53/14
|
Adaptations of engines for driving, or engine combinations with, other devices |
F02B 55/00
|
Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons |
F02B 55/02
|
Pistons |
F02B 55/04
|
Cooling thereof |
F02B 55/06
|
Cooling thereof by air or other gas |
F02B 55/08
|
Outer members for co-operation with rotary pistons; Casings |
F02B 55/10
|
Cooling thereof |
F02B 55/12
|
Cooling thereof by air or other gas |
F02B 55/14
|
Shapes or constructions of combustion chambers |
F02B 55/16
|
Admission or exhaust passages in pistons or outer members |
F02B 57/00
|
Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons |
F02B 57/02
|
Fuel or combustion-air supply |
F02B 57/04
|
Control of cylinder-charge admission or exhaust |
F02B 57/06
|
Two-stroke engines or other engines with working-piston-controlled cylinder-charge admission or exhaust |
F02B 57/08
|
Engines with star-shaped cylinder arrangements |
F02B 57/10
|
Engines with star-shaped cylinder arrangements with combustion space in centre of star |
F02B 59/00
|
Internal-combustion aspects of other reciprocating-piston engines with movable, e.g. oscillating, cylinders |
F02B 61/00
|
Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing |
F02B 61/02
|
Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles |
F02B 61/04
|
Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers |
F02B 61/06
|
Combinations of engines with mechanical gearing |
F02B 63/00
|
Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices |
F02B 63/02
|
Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools |
F02B 63/04
|
Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators |
F02B 63/06
|
Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps |
F02B 65/00
|
Adaptations of engines for special uses not provided for in groups or ; Combinations of engines with other devices, e.g. with non-driven apparatus |
F02B 67/00
|
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for |
F02B 67/04
|
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus |
F02B 67/06
|
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members |
F02B 67/08
|
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of non-mechanically driven auxiliary apparatus |
F02B 67/10
|
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of charging or scavenging apparatus |
F02B 69/00
|
Internal-combustion engines convertible into other combustion-engine type, not provided for in group ; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types |
F02B 69/02
|
Internal-combustion engines convertible into other combustion-engine type, not provided for in group ; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel |
F02B 69/04
|
Internal-combustion engines convertible into other combustion-engine type, not provided for in group ; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel for gaseous and non-gaseous fuels |
F02B 69/06
|
Internal-combustion engines convertible into other combustion-engine type, not provided for in group ; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different cycles, e.g. convertible from two-stroke to four-stroke |
F02B 71/00
|
Free-piston engines; Engines without rotary main shaft |
F02B 71/02
|
Starting |
F02B 71/04
|
Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby |
F02B 71/06
|
Free-piston combustion gas generators |
F02B 73/00
|
Combinations of two or more engines, not otherwise provided for |
F02B 75/00
|
Other engines, e.g. single-cylinder engines |
F02B 75/02
|
Engines characterised by their cycles, e.g. six-stroke |
F02B 75/04
|
Engines with variable distances between pistons at top dead-centre positions and cylinder heads |
F02B 75/06
|
Engines with means for equalising torque |
F02B 75/08
|
Engines with means for preventing corrosion in gas-swept spaces |
F02B 75/10
|
Engines with means for rendering exhaust gases innocuous |
F02B 75/12
|
Other methods of operation |
F02B 75/16
|
Engines characterised by number of cylinders, e.g. single-cylinder engines |
F02B 75/18
|
Multi-cylinder engines |
F02B 75/20
|
Multi-cylinder engines with cylinders all in one line |
F02B 75/22
|
Multi-cylinder engines with cylinders in V-, fan-, or star-arrangement |
F02B 75/24
|
Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type |
F02B 75/26
|
Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis; Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis |
F02B 75/28
|
Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders |
F02B 75/30
|
Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with one working piston sliding inside another |
F02B 75/32
|
Engines characterised by connections between pistons and main shafts and not specific to preceding main groups |
F02B 75/34
|
Ultra-small engines, e.g. for driving models |
F02B 75/36
|
Engines with parts of combustion- or working-chamber walls resiliently yielding under pressure |
F02B 75/38
|
Reciprocating-piston engines |
F02B 75/40
|
Other reciprocating-piston engines |
F02B 77/00
|
Component parts, details, or accessories, not otherwise provided for |
F02B 77/02
|
Surface coverings of combustion-gas-swept parts |
F02B 77/04
|
Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines |
F02B 77/08
|
Safety, indicating, or supervising devices |
F02B 77/10
|
Safety means relating to crankcase explosions |
F02B 77/11
|
Thermal or acoustic insulation |
F02B 77/13
|
Acoustic insulation |
F02B 77/14
|
Engine-driven auxiliary devices combined into units |
F02B 79/00
|
Running-in of internal-combustion engines |