F-Term-List

F02D41/00-41/40

HA00
ENGINE TYPE

HA01

HA02

HA03

HA04

HA05

HA06

HA07

HA08

HA09

HA10

. Gasoline engines or four-cycle spark ignition engines

. Diesel engines

. Two-cycle engines

. In-cylinder direct injection types

. Auxiliary combustion chamber types

. Multi-cylinder engines

. . Engines with controlled number of cylinders

. . Engines having a plurality of cylinder banks e.g. V-type engines

. Engines having a plurality of intake valves for one cylinder

. Engines having a plurality of intake passages for one cylinder excluding throttle bypass passages and feeding-passages for secondary air

HA11

HA12

HA13

HA14

HA15

HA16

HA17

HA18

HA19

. Engines with superchargers e.g. turbochargers

. Inertia supercharging engines

. Engines with exhaust gas recirculation (EGR) apparatus

. Engines with treatment apparatus for evaporated fuel

. Lean burn engines

. . Stratified combustion engines

. Vortex type or swirl combustion engines

. Lean-rich engines

. Engines which can change timing of intake and exhaust valves

HA21

HA22

HA23

HA24

HA26

HA27

HA28

. Engines using special fuel

. . Gases or liquefied petroleum gas (LPG)

. . Alcohol

. Engines using multiple kinds of fuel

. Engines for special use other than for cars

. . for generators

. . for working machines e.g. for civil engineering or agriculture

JA00
PURPOSE: GENERAL

JA01

JA02

JA03

JA04

JA05

JA06

JA07

JA08

JA09

JA10

. improving output

. improving fuel economy

. improving operability or response

. . preventing output fluctuations torque shocks or revolution fluctuations

. . . preventing fluctuations between cylinders

. preventing hunting

. preventing overshoot or undershoot

. preventing incorrect determination or incorrect operations

. . Measures against noises

. Measures against voltage fluctuations or drops

JA11

JA12

JA13

JA14

JA15

JA16

JA17

JA18

JA19

JA20

. preventing fluctuations caused by operational characteristics or delay of control systems

. . Delay of transport of intake and exhaust air or fuel

. . Sensor characteristics or detection delays

. . Actuator operation characteristics or operation delays

. Measures against aging change or deterioration

. . Sensor deterioration

. Measures against errors in manufacturing or installing parts

. accelerating or simplifying operations

. saving or miniaturising memories

. improving sensor accuracy omitting sensors or mounting positions of sensors

JA21

JA22

JA23

JA24

JA25

JA26

JA27

JA28

JA29

JA30

. preventing abnormal combustion or cleaning exhausts

. . preventing knocking

. . preventing misfire

. . Measures against black smoke

. . Measures against nitrogen oxides (NOx)

. . Measures against carbon monoxide (CO) or hydrocarbons (HC)

. . Measures against carbon dioxide (CO2)

. preventing over-rich air-fuel ratio

. preventing over-lean air-fuel ratio

. preventing vapour generation

JA31

JA32

JA33

JA34

JA35

JA36

JA37

JA38

. preventing stalling

. preventing overheating

. . preventing overheating or deterioration of catalysts

. preventing over-revolution

. Limitation on vehicle speed

. preventing reverse rotation

. preventing noise or vibration

. preventing slippage or traction control

JB00
PURPOSE: MEASURES AGAINST FAILURES

JB01

JB02

JB03

JB04

JB05

JB07

JB08

JB09

JB10

. Sensor failures

. Actuators or driving system failures

. Failures of operation-processing circuits

. . Failures of microcomputers or central processing units (CPU)

. Measures against abnormalities of memories

. Back-up

. Driving during failures

. Self-diagnosis

. Displaying failures or alarming

KA00
CONTROL TIMING: ENGINE CONDITION

KA01

KA02

KA03

KA04

KA05

KA06

KA07

KA08

KA09

KA10

. during starting

. . during starting at extremely low temperature or in cold weather

. . during starting at high temperature

. . during restarting (KA03 takes precedence)

. during warming-up or fast idling

. Load ranges

. . Idling or no load

. . Low-load ranges

. . High-load ranges

. . during driving or turning on or off of loads other than those of vehicles

KA11

KA12

KA13

KA14

KA15

KA16

KA17

KA18

KA19

KA20

. during transition or shift

. . during acceleration

. . . during rapid acceleration

. . . during transition from idling to acceleration

. . . during transition from deceleration to acceleration

. . during deceleration

. . . during rapid deceleration

. . . during transition from deceleration to idling

. . . during transition from acceleration to deceleration

. . repeating acceleration and deceleration

KA21

KA22

KA23

KA24

KA25

KA26

KA27

KA28

. during normal operation

. during racing or idling

. Ranges for the number of revolutions

. . Low-revolution ranges

. . High-revolution ranges

. during cut-off of fuel supply

. . during recovery

. during engine stop or engine stall or during stopping vehicles

KB00
CONTROL TIMING: DRIVING CONDITION OF VEHICLE

KB01

KB02

KB03

KB04

KB05

KB06

KB07

KB08

KB09

KB10

. during starting

. during driving at fixed speed

. during driving at high speed

. during driving at low speed

. during driving at high altitudes

. during turning steering or driving on curved roads

. during driving uphill or downhill

. during reverse drive or during moving back

. during driving on bad roads

. during changing speed

LA00
MAIN CONTROL MEANS: AIR OR FUEL-AIR MIXTURE

LA01

LA02

LA03

LA04

LA05

LA06

LA07

LA08

LA09

. Throttle valves

. . A plurality of throttle valves

. . without mechanically interlocking with accelerators

. Throttle bypass valves

. Swirl control valves

. Intake switching valves or inertia supercharging

. Timing for intake valves

. Control valves for secondary air

. Air bleed control valves of carburettors

LB00
MAIN CONTROL MEANS: FUEL

LB01

LB02

LB03

LB04

LB05

LB06

LB07

LB09

. Low-pressure injection valves

. . Injection valves for each cylinder e.g. multiple point injection (MPI)

. . One injection valve for multiple cylinders e.g. single point injection (SPI)

. . In-cylinder direct injection valves

. . Auxiliary injection valves e.g. those for starting

. Apparatus for adjusting fuel pressure

. Pumps for supplying fuel with low pressure

. Fuel control valves of carburettors

LB11

LB12

LB13

LB14

LB15

LB16

LB17

LB18

LB19

. High-pressure injection valves

. . Unit injectors

. Fuel-injection pumps with high pressure

. . Control racks or sleeves of series types

. . Spill rings or control sleeves of distribution types

. . Electromagnetic spill valves

. . Valves for adjusting fuel supply to pump chambers

. . Timers

. . . Timer pistons of distribution types

LC00
MAIN CONTROL MEANS: DRIVING MEANS

LC01

LC02

LC03

LC04

LC05

LC06

LC07

LC08

LC09

LC10

. Solenoids

. . Linear solenoids

. Motors

. . Stepping motors or pulse motors

. Piezoelectric elements of electrostrictive types

. Fluid pressure

. . Air pressure e.g. negative pressure or atmospheric pressure

. . Hydraulic pressure

. Manual adjustment

. Drive circuit arrangements

MA00
CONTROLLED QUANTITY: FUEL-INJECTION

MA01

MA03

MA04

MA05

MA06

. Air-fuel ratio

. Injection modes

. . Simultaneous injection to all cylinders

. . Group injection

. . Independent injection

MA11

MA12

MA13

MA14

MA15

MA16

MA18

MA19

MA20

. Fuel-injection quantities or injection time

. . Computing by using quantities of air intake

. . Computing by using intake pressure

. . Computing by using throttle valve openings

. . Maximum injection quantities of diesel

. . Governor patterns

. Fuel-injection timing

. . using processes as standards e.g. intake processes

. . Injection completion timing

MA21

MA22

MA23

MA24

MA25

MA26

MA27

MA28

MA29

. Asynchronous injection

. . Quantities of asynchronous injection

. Auxiliary or pilot injection

. Fuel cut-off

. . Recovery from fuel cut-off

. Injection frequency e.g. n times/2 revolutions

. Injection rate

. Injection pressure

. Injection directions

NA00
OPERATION-PROCESSING: OPERATION

NA01

NA02

NA03

NA04

NA05

NA06

NA07

NA08

NA09

. Averaging or smoothing processing

. . Weighted averages

. Proportions

. Integration

. Differential

. Four basic arithmetic operations i.e. addition subtraction multiplication and division

. Logical operations e.g. AND or OR

. Comparison

. using operation sequences

NB00
OPERATION-PROCESSING: PROCESSING

NB01

NB02

NB03

NB04

NB05

NB06

NB07

. switching sensor outputs

. forecasting outputs by using sensors or operation results

. Sampling timing

. Calibration e.g. zero-point adjustment or linearisation

. . of sensor outputs

. . of outputs to actuators

. Noise elimination e.g. by using filters

NB11

NB12

NB13

NB14

NB15

NB16

NB17

NB18

NB20

. stopping starting or resetting operations

. Interrupt processing

. Synchronisation processing

. . Synchronisation with crank angles or the number of revolutions

. . Time synchronisation

. Parallel processing

. Time-division processing

. changing output characteristics or gains (ND05 takes precedence)

. Operation circuit arrangements

NC00
OPERATION-PROCESSING: MEMORY OR MAP

NC01

NC02

NC03

NC04

NC06

NC07

NC08

NC09

. Memories

. Maps

. . Map densities

. . A plurality of maps

. Interpolation

. Rewriting or converting (ND21 takes precedence)

. setting initial values or resetting (ND06 or ND30 takes precedence)

. Erasing

ND00
OPERATION-PROCESSING: CONTROL SYSTEM

ND01

ND02

ND03

ND04

ND05

ND06

ND07

. Feedback control

. . changing desired values of control

. . . Changing according to loads

. . . Changing according to engine temperature

. . changing control constants or gains

. . setting initial control values

. . A plurality of feedback control systems

ND12

ND13

ND14

ND15

ND16

ND17

ND18

. . starting feedback control

. . . determining activation of exhaust sensors

. . . Control during shift from open loop control to feedback control (O/L to F/B)

. . stopping feedback control

. . . Control during shift from feedback to open loop control (F/B to O/L)

. . determining abnormalities by feedback signals

. . Optimal control

ND21

ND22

ND23

ND24

ND25

ND26

ND27

ND28

ND29

ND30

. Learning control

. . setting learning conditions

. . . changing learning conditions

. . prohibiting learning

. . computing learning values

. . . Restriction on learning values

. . changing updating speed

. . estimating learning values or updating learning values in other ranges

. . taking the number of learning into consideration

. . resetting learning values

ND32

ND33

ND34

ND35

ND36

ND37

ND38

ND39

ND40

. . A plurality of learning objects e.g. multiplication terms or addition terms

. . A plurality of learning ranges e.g. by each load range

. . Transient learning values

. . Learning values compensating altitudes

. . Learning values compensating adhered or evaporated fuel

. . Learning values by each cylinder

. . Control during shift between learning ranges

. . Control during shift between learning ranges and non-learning ranges

. . determining abnormalities by using learning values

ND41

ND42

ND43

ND44

ND45

. Duty control

. Feed-forward control or anticipatory control

. Fuzzy control

. Control based on personal data

. Control by using models equation of state or observers

NE00
OPERATION-PROCESSING: CONTROL PATTERN

NE01

NE02

NE03

NE04

NE06

NE07

NE08

NE09

. increasing quantities

. . Rapid increase

. . Gradual increase

. . changing increase proportion

. decreasing quantities

. . Rapid decrease

. . Gradual decrease

. . changing decrease proportion

NE11

NE12

NE13

NE14

NE15

NE16

NE17

NE18

NE19

NE20

. Advance angles

. Delay angles

. Enriching

. Stoichiometry or theoretical air-fuel ratio

. Leaning

. fixed or constant

. Maximum values or upper limit values

. . changing values

. Minimum values or lower limit values

. . changing values

NE21

NE22

NE23

NE24

NE25

NE26

NE27

. Delays (the subject matter for delay angles of injection timing is classified in NE12)

. . setting or changing delay time

. setting control time with timers or counters

. . according to the number of revolutions

. Dead zones

. Hysteresis

. . changing hysteresis width

PA00
DETECTED INFORMATION: INTAKE SYSTEM

PA01

PA02

PA03

PA04

PA05

PA06

PA07

PA08

PA09

PA10

. Quantities of air intake

. . Rate or quantities of change

. . Flap types

. . Heat wire types

. . Vortex or Karman vortex types

. Conditions of intake air or outside air e.g. intake constituents

. . Intake pressure

. . . Rate or quantities of change

. . Atmospheric pressure

. . Temperature of intake air or outside air

PA11

PA12

PA13

PA14

PA15

PA16

PA17

PA18

PA19

. Throttle valve opening degrees

. . Rate or quantities of change

. . Completely opened

. . Complete closed (detected with idle switches)

. Opening degrees of throttle bypass valves

. Supercharging pressure

. Engine loads

. . Q/N

. . . Rate or quantities of change

PB00
DETECTED INFORMATION: FUEL SYSTEM

PB01

PB02

PB03

PB04

PB05

PB06

PB07

PB08

PB09

PB10

. Fuel temperature

. Kinds or constituents of fuel or mixing ratio thereof

. Fuel-injection quantities

. . Sleeve or rack positions

. Injection timing

. . Valve lifting

. . Timer piston positions

. Fuel pressure or injection pressure

. Fuel purging quantities

. estimating adhered quantities wall-flow quantities or evaporated quantities

PC00
DETECTED INFORMATION: COMBUSTION CONDITIONS

PC01

PC02

PC03

PC04

PC05

PC06

PC07

PC08

PC09

PC10

. Combustion pressure or pressure inside cylinders

. . Average effective pressure

. Combustion light or ignition light

. Combustion rate

. Combustion temperature

. Vibration e.g. combustion vibration

. Engine roughness

. Knocking

. Misfire

. Complete explosion

PD00
DETECTED INFORMATION: EXHAUST SYSTEM

PD01

PD02

PD03

PD04

PD05

PD06

PD07

PD08

PD09

. Exhaust constituents

. . Oxygen (O2) concentration by using sensors

. . . Types in which outputs suddenly change

. . . Proportional or linear types

. . . Built-in heater types

. . . Current feeding types

. . . Rate or quantities of change

. . . A plurality of oxygen (O2) sensors

. . . . Upstream or downstream of catalysts

PD11

PD12

PD13

PD14

PD15

PD16

. Exhaust system temperature

. . Catalyst temperature

. . Oxygen (O2) sensor temperature

. Exhaust pressure

. Exhaust gas recirculation (EGR) quantities

. Exhaust flow velocity

PE00
DETECTED INFORMATION: ENGINE SYSTEM

PE01

PE02

PE03

PE04

PE05

PE06

PE07

PE08

PE09

PE10

. The number of engine revolutions

. . Rate or quantities of change

. Crank angles

. . Reference crank angles at top dead centre (TDC)

. distinguishing cylinder state

. Torque

. . Rate or quantities of change

. Engine temperature e.g. cooling water or lubricating oil

. Ignition signals

. Valve timing

PF00
DETECTED INFORMATION: OPERATING CONDITION

PF01

PF02

PF03

PF04

PF05

PF06

PF07

PF08

PF09

PF10

. Vehicle speed

. . Rate or quantities of change

. Quantities of accelerator operation

. . Rate or quantities of change

. Brakes

. Clutches

. Transmissions or gear positions

. . Automatic transmissions

. . Manual transmissions

. . Neutral

PF11

PF12

PF13

PF14

PF15

PF16

. Loads other than those of vehicles driven by engines

. . Generators

. . Air conditioners

. . Power steering

. Steering angles or quantities of steering wheel operation

. Starting or stopping operations of engines e.g. key switching

PG00
DETECTED INFORMATION: OTHER

PG01

PG02

. Power source voltages

. Driving currents e.g. actuators

3G301	ELECTRICAL CONTROL OF AIR OR FUEL SUPPLIED TO INTERNAL-COMBUSTION ENGINE
	F02D41/00 -41/40