F-Term-List

F02B27/00-27/06@Z

AA00
APPLICATIONS, TYPES, OR STROKE TYPE OF ENGINES

AA01

AA02

AA03

AA05

AA06

AA07

AA09

AA10

. Applications of engines *

. . for vehicles

. . . for two-wheeled vehicles

. . for marine vessels e.g. vertical type

. . for stationary use

. . for portable work machines

. Types *

. . characterised by use fuel

AA11

AA12

AA14

AA15

AA16

AA17

AA18

AA20

. . . Diesel engines

. . . Gas engines

. . Charge or exhaust systems

. . . Natural charge

. . . Forced charge

. . . . Turbo superchargers

. . . . Mechanical superchargers

. . . Natural exhaust

AA21

AA23

AA24

AA25

AA27

AA28

AA29

AA30

. . . Forced exhaust

. . Fuel supply systems including carburettor types

. . . Intake system injection types

. . . Internal cylinder injection types

. Stroke types *

. . 4-stroke

. . 2-stroke

. . Rotary types

AB00
CYLINDER CONSTRUCTION

AB01

AB02

AB03

AB04

AB05

AB06

AB07

AB08

AB09

AB10

. Single cylinder

. Multi-cylinders

. . 2-cylinder

. . 3-cylinder

. . 4-cylinder

. . 5-cylinder

. . 6-cylinder

. . 8-cylinder

. . 10-cylinder

. . 12-cylinder

AC00
CYLINDER ARRANGEMENT

AC01

AC02

AC03

AC04

. In-line types

. Multi-bank types

. . V types

. . Horizontally opposed types

AD00
ADDITIONAL FUNCTIONS OF ENGINES *

AD01

AD02

AD03

AD04

AD05

AD06

AD07

AD08

. Variable operating characteristics e.g. timing of inlet valves

. Variable operating characteristics e.g. timing of exhaust valves

. having intake control valves other than inlet valves

. having exhaust control valves

. Reduced-cylinder operations

. with changed compression ratio

. Addition of exhaust gas blow-by gas or secondary air *

. forming swirls or tumbles *

BA00
BASIC STRUCTURE OF INTAKE SYSTEMS *

BA01

BA02

BA03

BA05

BA06

BA07

BA08

BA09

BA10

. Total number of inlet valves per cylinder

. . Two

. . Three or more

. Air intake passage construction

. . Independent cylinders

. . One-time branching

. . Multiple-time branching

. . providing air intake passages for both normal speed and high-speed

. . . Branching section near cylinder common for normal speed and high speed

BA11

BA13

BA14

BA15

BA17

BA18

BA19

BA20

. . . Branching sections near the cylinder separately provided for normal speed and high speed

. having surge tanks

. . of single to the target cylinder

. . different for low speed and high speed to the target cylinder

. having communicating channels

. having ring-shaped resonance passages

. having chambers or resonance chambers branched from air intake passages

. having vibrators

BB00
CONTROL OBJECTS IN INTAKE SYSTEMS *

BB01

BB02

BB03

BB04

BB05

BB06

BB08

BB09

BB10

. variable intake timing

. Telescopic air intake passages

. Detour or shortcuts

. . of air cleaners and air intake passages

. . of surge tanks and air intake passages

. . in air intake passages

. Change of branch points of air intake passages

. Open and close of air intake passages

. . between downstream points at branching section of air intake passages

BB11

BB12

BB14

BB15

BB16

BB17

BB19

. . between surge tanks

. . between independent air intake passages directly connected to inlet port

. Surge tank capacity

. Resonance chambers branched from air intake passages

. . Open and close

. . Capacity

. Vibration of vibrators

CA00
BASIC STRUCTURE OF EXHAUST SYSTEMS *

CA01

CA02

CA03

CA05

CA06

CA07

CA08

CA09

. Total number of exhaust valves per cylinder

. . Two

. . Three or more

. Exhaust passage construction

. . independent by each cylinder

. . One-step intermingling

. . . having two or more systems

. . Multi-step intermingling

CA11

CA12

CA13

CA14

. having surge tanks

. having communicating channels

. having resonance chambers branched from exhaust passages

. having vibrators

CB00
CONTROL OBJECTS IN EXHAUST SYSTEMS *

CB01

CB02

CB03

CB04

CB05

CB06

CB07

CB08

CB10

. variable exhaust timing

. Open and close of exhaust passages

. Telescopic exhaust passages

. variable cross-section area of exhaust passage

. Surge tank capacity

. Resonance chambers branched from exhaust passages

. . Opening and closing

. . Capacity

. Vibration of vibrators

DA00
STRUCTURAL DETAILS *

DA01

DA02

DA03

DA04

DA05

DA07

DA08

DA09

DA10

. Surge tanks

. . Arrangements for V-type engines

. . . positioning between banks

. . . positioning close to one bank side

. . . positioning on each bank side

. . Structure of surge tanks

. . . of multiple-chamber structure

. . . . divided into upper and lower chambers by horizontal partition

. . . . divided by vertical partition in the direction to crankshafts

DA11

DA12

DA14

DA15

DA16

DA17

DA18

DA19

DA20

. . . . divided by partition perpendicular to crankshafts

. . . . forming passages for intake air or pressure wave internally

. Resonance chambers branched from air intake or exhaust passages

. . Branch position from air intake or exhaust passages

. . . Upstream in intake systems

. . . Intermediate part of intake systems

. . . Downstream in intake systems

. . . Upstream in exhaust systems

. . . Intermediate part of exhaust systems

DA21

DA23

DA24

DA25

DA26

DA28

DA29

DA30

. . . Downstream in exhaust systems

. . Structure

. . . of multiple-chamber structures

. . . of single-chamber structure

. . . . Multiple connection

. Shape of air intake or exhaust passages

. . characterised by cross-section e.g. ellipse *

. . characterised by outer shapes e.g. helical tubes

DA31

DA32

DA33

DA34

DA36

DA37

DA38

DA39

DA40

. Valves

. . Butterfly valves

. . Door-type valves

. . Rotary valves sliding valves or rotary-sliding valves

. Actuators

. . hydraulic

. . electric

. . mechanical

. . . Use of centrifugal force

EA00
CONTROL MODE *

EA01

EA02

EA03

EA04

EA05

EA07

EA08

EA09

EA10

. Control patterns

. . Alternative switching

. . Continuous changing

. . with hysteresis

. . Delay control

. Changing of control points

. Controllings combined with other controlled objects

. . Simultaneous control

. . varying control points

FA00
DETECTION OBJECTS *

FA01

FA02

FA03

FA05

FA06

FA07

FA08

FA10

. Revolutions *

. . Variations or rates of changes *

. . Engine revolutions

. Loads

. . Throttle valve opening rate or stepped amount of accelerators

. . Amount of intake air

. . Fuel supply

. Pressure

FA11

FA12

FA14

FA15

FA16

FA17

FA18

FA20

. . Intake system including supercharging pressure

. . Exhaust systems

. Travelled distance of movable parts *

. Temperatures

. . Intake air temperatures

. . Exhaust gas temperatures

. . Engine temperatures

. Control valve opening rate in intake or exhaust systems

FA21

FA22

FA23

FA24

FA25

. Crank angles

. Order or timing of ignition or injection

. Combustion states including knocking misfiring *

. Vehicle speed

. Gear positions in transmission

GA00
ENGINE OPERATING CONDITIONS *

GA01

GA02

GA03

GA04

GA05

GA06

GA07

GA08

GA10

. during starting

. during warming up

. during idling

. during cruising

. Engine revolution areas

. . Low revolutions

. . Medium revolutions

. . High revolutions

. Loading areas

GA11

GA12

GA13

GA15

GA16

GA17

GA18

GA19

GA20

. . Low load

. . Medium load

. . High load

. during transient (GA16 and its subdivisions take precedence) *

. during acceleration

. during deceleration or braking

. during supercharging

. during changing speed gears

. at abnormalities including knocking misfiring *

HA00
PURPOSES OR FUNCTIONS *

HA01

HA02

HA03

HA04

HA05

HA06

HA07

HA08

HA09

HA10

. Use of inertia or reversed waves

. Use of resonance

. Use of interferences between cylinders

. Enhancement of torque

. Preventing torque shocks

. Preventing torque drops

. Preventing blow-by

. Reduction of pump losses

. Preventing noise

. Downsizing simplification or weight reduction of structure

HA11

HA12

. Improving processes of mounting or assembling of intake or exhaust systems

. Measures for safety*

3G031	Characterised by the charging evacuation
	F02B27/00 -27/06@Z