F-Term-List

F02M26/00-26/74,331

AA00
ENGINE TYPES BEING A PREMISE OF THE INVENTION

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA09

AA10

. Diesel engine

. 2-cycle engine

. Multi-cylinder engine

. . Engines controlling the number of cylinders

. Engine with a supercharger

. Lean-burn engine

. . Stratified charge engine

. . Swirl combustion engine

. Engine with 2-barrel carburettor

. Engine performing internal EGR by residual exhaust gas

BA00
CONTROLLED OBJECTS OTHER THAN EGR

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA08

BA09

. Amount of blow-by gas recirculation

. Air-fuel ratio or excess air ratio

. . Amount of secondary air in intake system

. . Amount of fuel supply

. Fuel supply timing or fuel injection timing

. Throttle valve opening or the amount of intake air

. Amount of secondary air in exhaust system

. Ignition timing

. Opening and closing timing of intake or exhaust valves

CA00
OPERATING CONDITIONS

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

CA10

. during starting

. during warming-up

. during idling

. during acceleration

. during deceleration

. Loading area

. . Low load area

. . High load area

. during changing speed

. at the time of stopping or during stopping operation

DA00
EGR CONTROL PATTERNS

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

DA09

. Increase

. Decrease or stop

. Fixing

. Progressive decrease or increase

. Rapid decrease or rapid increase

. Delay

. Hysteresis

. Dead zone

. Saturation or limitation

EA00
FEATURES OF EGR VALVE-DRIVING DEVICES

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. with interlock with mechanical operation or the like

. . with interlock with accelerator throttle valve

. . . with interlock with control rack

. by fluid pressure

. . by intake vacuum before or after throttle valves

. . by Venturi negative pressure

. . by regulating fixed fluid pressure

. . by pump pressure driven by engine

. . by exhaust gas pressure

. by electrical actuator

EA11

EA12

. . by motor or step motor

. . by linear solenoid

EB00
CORRECTION OR REGULATION OF FLUID PRESSURE

EB01

EB02

EB03

EB04

EB05

EB06

EB07

EB08

EB09

EB10

. by valve interlocking with mechanical operation or the like

. . by valve interlocking with accelerator or throttle valve

. . . by control rack-interlocking valve

. by temperature detecting valve

. . by water temperature detecting valve

. . by atmospheric temperature detecting valve

. by atmospheric pressure detecting valve

. by negative-pressure detecting valve before or after throttle valve

. by Venturi negative-pressure detecting valve

. by exhaust gas pressure detecting valve

EB11

EB12

EB13

EB14

EB15

EB16

. . Exhaust gas pressure detecting valves downstream of metering part

. . . making metering part from variable throttle

. by check valve

. by orifice

. by electromagnetic valve

. . by duty control

EC00
FEATURES OF FLUID-PRESSURE RESPONSIVE MEANS

EC01

EC02

EC03

EC04

EC05

EC06

EC07

EC08

EC09

EC10

. Valve body or valve rod

. Diaphragm

. . Multiple diaphragms

. characterised by atmospheric pressure chamber

. Spring

. . adjusting energising power of springs

. taking out intake vacuum

. . Multiple ports before or after throttle valve

. . . switching ports

. . . synthesising negative pressures of individual ports

EC11

EC12

EC13

EC14

EC15

EC16

EC17

. . . detecting differential pressure of negative pressures of individual ports

. Safety device

. . protecting diaphragm

. . improving sealing performance

. . preventing valve sticking

. . taking countermeasure against heat or protecting from heat

. . preventing improper opening and closing

ED00
FEATURES OF EGR PASSAGE

ED01

ED02

ED03

ED04

ED05

ED06

ED07

ED08

ED09

ED10

. taking out EGR gas

. . taking out from exhaust port

. Part for returning EGR gas to air intake system

. . Aperture part to air intake system

. . . Multiple apertures

. . directly returning to combustion chamber

. . returning near intake valve

. having a cooling device

. having a purifying device

. Structure or arrangement of passages

ED11

ED12

ED13

ED14

ED15

ED16

. . Multiple passages or parallel passages

. . . having an EGR valve individually

. . formed in cylinder head

. . formed in exhaust manifold

. . formed in intake manifold

. . . combined with mixture heating arrangements

FA00
FEATURES OF CONTROL CIRCUITS

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

FA09

FA10

. processing of sensor output through operation control part

. . sampling data

. Operation controls

. . using a special operation formula

. . calculating target values

. . using memories

. . . interpolating

. . feedback-controlling

. . . by valve opening sensor

. . . detecting EGR ratio

FA11

FA12

FA13

FA14

FA15

FA16

FA17

FA18

FA19

FA20

. . . . by sensor provided in intake system

. . . . by sensor provided in exhaust system

. . . operating ERG ratios

. . . stopping or starting feedback control

. . . Learning control

. . . . stopping or starting updating the amount of learning control

. . stopping starting and resetting the operation

. Safety device or managing device

. . detecting clogging or valve sticking

. . detecting a sensor abnormality

FA21

FA22

FA23

FA24

FA25

. . detecting circuit defects

. . backing up

. outputting to actuator

. . on condition of actuator types

. . . pulse-modulating

GA00
SENSOR OR PARAMETER TAKEN ACCOUNT

GA01

GA02

GA03

GA04

GA05

GA06

GA07

GA08

GA09

GA10

. Amount of intake air

. Intake vacuum

. Venturi negative pressure

. Throttle valve opening or amount of accelerating operation

. Torque

. Revolutions per unit time

. . Variation of revolutions per unit time

. Engine temperature or cooling water temperature lubricating oil temperature or the like

. . Temperature of exhaust system

. . . Temperature of EGR passage

GA11

GA12

GA13

GA14

GA15

GA16

GA17

GA18

GA19

GA20

. Atmospheric temperature

. Intake air temperature

. Atmospheric pressure

. Supercharging pressure

. Fuel supply condition

. Starting or stopping signals of engines

. Exhaust gas sensor

. Pinking sensor or combustion pressure sensor

. Misfire

. Vibration

GA21

GA22

GA23

GA24

GA25

GA26

GA27

GA28

GA29

GA30

. EGR valve opening

. Exhaust system pressure

. . Pressure of EGR passage

. Exhaust gas sensor installed in exhaust system

. Vehicle speed

. Ignition signal

. External load of air conditioner or the like driven by engines

. Clutch operation or brake operation

. Road conditions

. Automatic transmission

GA31

GA32

. Speed change position of manual transmission

. Secular change

3G062	Exhaust-gas circulating devices
	F02B47/08 -47/10;F02M26/00-26/74,331