F-Term-List

F02B1/00-23/10

AA00
PURPOSE OR EFFECT

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

. Improvement of combustion

. . Improvement of fuel efficiency or output

. . Measures against exhaust gases

. . . Measures for non-combustion components e.g. hydrogen carbon carbon monoxide or black smoke

. . . Measures for nitrogen oxides (NOx)

. . Measures for knocking

. . Acceleration of fuel and air mixing

. . Measures for starting

AA11

AA12

AA13

AA14

AA15

AA16

AA17

AA18

AA19

. Improvement of mechanical characteristics

. . Improvement of heat resistance

. . . Decrease of thermal stresses

. . Improvement of strength

. . Improvement of corrosion resistance or prevention of attachment of deposits

. . Improvement of sealing

. Adaptation to changes in conditions

. . Control according to operating conditions

. Manufacturing methods

AB00
IGNITION METHOD

AB01

AB02

AB03

AB04

AB05

AB06

AB07

AB08

AB09

AB10

. External ignition

. . Multiple sparking plugs

. . Arrangements of sparking plugs

. . External ignition other than electric spark ignition e.g. catalysts or heating wire

. Compression ignition

. Combinations of external ignition and compression ignition

. Hot bulb ignition

. Auxiliary means for ignition

. . Electric heating means

. . Hot spots

AC00
FUEL SUPPLY METHOD

AC01

AC02

AC03

AC04

AC05

AC06

AC07

AC08

AC09

. supplying fuel-air mixtures e.g. use of carburettors

. . Low pressure fuel injection nozzles in induction conduits

. . supplying gas mixtures to engines provided with precombustion chambers

. Fuel injection nozzles in combustion chambers

. . Arrangements of injection nozzles or injection directions

. supplying fuel other than petroleum-based liquid fuel e.g. alcohol

. . supplying gas fuel e.g. H2 or LPG

. supplying multiple kinds of fuel

. Pretreatment of fuel-air mixtures e.g. heating or additives

AD00
COMBUSTION CHAMBER CONSTRUCTION

AD01

AD02

AD03

AD04

AD05

AD06

AD07

AD08

AD09

AD10

. Shapes of combustion chambers

. . Combustion chambers formed mainly in pistons

. . Combustion chambers formed mainly in cylinder heads

. in connection with intake and exhaust passages or valves

. . in connection with intake passages or intake valves

. using intake swirls

. . Multiple intake passages

. using squish i.e. forced vortex

. Constructions of injected fuel collision sections or storage sections

. Cooling means

AD11

AD12

AD13

AD14

. Thermal insulation means

. Mounting or connections of accessories e.g. sparking plugs or injection nozzles

. Sub-chambers other than precombustion chambers e.g. air chambers

. Numerical limitation

AD21

AD22

AD23

AD24

AD25

AD26

AD27

AD28

AD29

AD30

. having precombustion chambers

. . Vortex-flow chambers

. . Shapes of precombustion chambers

. . supplying mixtures from sub-intake valves

. . supplying gas mixtures from injection openings only

. . forming precombustion chambers near top-dead centre positions only

. . Shapes structures or arrangements of injection openings

. . . Multiple injection openings

. . Shapes or structures of main combustion chambers e.g. piston heads

. . Mounting or connections of precombustion chamber component parts

AE00
MATERIAL OR SURFACE TREATMENT

AE01

AE02

AE03

AE04

AE05

AE06

AE07

. Heat-resistant steels or alloys

. Light metals

. Inorganic materials

. . Ceramics

. having catalysts

. Surface treatment or coatings

. Combinations of different materials

AF00
ENGINE TYPE

AF01

AF02

AF03

AF04

. Multi-cylinder engines

. Two-cycle engines

. Supercharged engines

. Side-valve engines

AG00
SPECIAL COMBUSTION METHOD OR THE LIKE

AG01

AG02

AG03

AG04

AG05

. Stratified combustion

. Lean burn i.e. using lean mixtures

. Exhaust gas recirculation (EGR)

. Evaporation combustion i.e. M-system combustion methods

. Compression ignition by radicalisation i.e. acceleration of front flame

3G023	COMBUSTION METHODS OF INTERNAL-COMBUSTION ENGINES
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