F-Term-List

F23N5/02-5/06;5/06@Z;5/14-5/14,370@Z

AA00
DETECTING MEANS

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA10

. using thermal deformation of solids

. using thermal expansion of liquid or gas

. . Bellows

. using magnetic transformation e.g. ferrites

. Temperature switches e.g. ON-OFF switches or double-throw switches

. Thermistors

. . Positive characteristic thermistors

. used also as an ignition means

. having a plurality of the same detecting means

AB00
DETECTOR

AB01

AB02

AB03

AB04

AB05

AB06

AB07

. Combustion apparatus

. . Burners

. . Vaporisers

. . Flames

. . . Pilot flames

. . Inside of furnaces or heating chambers

. . Exhausting sections

AB11

AB12

AB13

AB14

AB15

AB16

AB17

AB19

. Heaters

. . Liquid heaters

. . . Outlet sides

. . . Inlet sides

. . Air heaters

. . . Outlet sides

. . . Inlet sides

. having a plurality of the same detectors

AC00
PURPOSE OF DETECTION

AC01

AC02

AC03

AC04

AC05

AC06

AC07

AC08

. Presence of flames

. Conditions of flames

. . Oxygen deficiency

. . Backfire

. Temperatures

. . Specific temperatures

. . . Abnormal temperatures

. Temperature compensation for circuits

BA00
CONTROLLED OBJECT

BA01

BA02

BA03

BA05

BA06

BA08

BA09

. Combustion amounts

. . Stepwise control e.g. switching high or low

. . Proportional control

. . Fuels

. . Air

. Ignition means

. Indicators

CA00
COMBUSTION UNIT

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

. Liquid fuel combustion units

. . Pot-types

. . Rotary types

. . Ultrasonic types

. . Vaporisation types e.g. having heaters

. Gas fuel combustion units

. . Radiation types

. . Universal burners

. Solid fuel combustion units

DA00
USE

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

. Liquid heating

. . Instantaneous water heaters

. . Baths

. . having several heaters

. Air heating e.g. stoves

. Dryers

. Furnaces

. Cooking appliances

EA00
MECHANICAL STRUCTURE

EA01

EA02

EA03

EA04

EA06

EA07

EA08

. Shapes of detecting means

. Mounting positions of detecting means

. Mounting means of detecting means

. Protection of detecting means

. Transmission mechanisms

. . Gears

. . Links or levers

EB00
CIRCUIT

EB01

EB02

EB03

EB04

EB05

EB06

EB07

EB08

EB09

. for improving response e.g. differentiating circuits

. for improving stability

. for improving control precisions e.g. integration circuits

. Digital circuits

. . Microcomputer control

. Prevention of circuit malfunctions

. . Noise compensation for detected signals e.g. delay circuits

. . Detection of abnormalities in detecting means e.g. discontinuities or short-circuiting

. . Fail-safe

FA00
COMBINATION WITH OTHER DETECTING MEANS

FA01

FA02

FA03

. Light detecting means

. Thermocouples

. Flame rods

F23N5/20-5/22,103@Z

GA00
TIMER CONTROL FOR IGNITION OR EXTINCTION

GA01

GA02

GA03

GA04

GA05

GA06

GA07

GA08

GA09

GA10

. Control of start time

. Pre-purge

. . Sharing timers with other timer control

. . Pre-purge having additional special functions

. . . Addition of malfunction preventing or fail-safe functions

. . . Changes of purging periods or omission of purging

. Ignition trials within safe ignition time

. . Sharing timers with other timer control

. . Relating to thermocouple safety circuits

. . Ignition trials with special functions added

GA11

GA12

GA13

GA14

GA15

GA16

GA18

. . . Addition of malfunction preventing or fail-safe functions

. Operating time of igniters or pilot flames

. . Pre-ignition

. . Post-ignition

. Control of combustion time

. Post-purging

. Standby time for restarting

GB00
TIMER CONTROL OF AIR AMOUNTS OR FUEL AMOUNTS

GB01

GB02

GB03

GB04

GB05

GB06

GB07

GB08

GB09

. Regulation of air/fuel ratios

. . when changing loads

. Regulation of air amounts or airflow amounts

. . at igniting

. Fuel amount regulation

. . at igniting

. . . for slow ignition

. . . Main fuel supply after ignition

. Controls of preheaters or vaporisers

GC00
OTHER TIMER CONTROL

GC01

GC02

GC03

GC05

GC07

. Regulation of combustion amounts or heating amounts

. . for cooking appliances

. . for industrial heating furnaces

. Cumulative operating time or machine life

. Prevention of malfunctions or fail-safe functions

HA00
KINDS OF TIMERS, NOT SPECIFIED

HB00
KINDS OF ELECTRIC TIMERS

HB01

HB02

HB03

HB04

HB05

HB06

. Charging CR timers

. Discharging CR timers

. Positive characteristic thermosensitive resistance timer

. Negative characteristic thermosensitive resistance timer

. Clock pulse timers

. . Microcomputer timers

HC00
KINDS OF MECHANICAL TIMERS

HC01

HC02

HC03

HC04

. Bimetal timers

. Motor timers

. Manual setting timers e.g. spring-driven timers or the like

. Flow resistance timers

JA00
KINDS OF FUELS

JA01

JA02

JA03

JA04

JA05

JA06

. Multiple kinds of fuels

. Fluids

. . Gas

. . Liquid

. Solid

. . Powder

F23N1/08-1/10,101

KA00
USE OF COMBUSTION UNITS

KA01

KA02

KA03

KA04

KA05

KA06

KA07

KA08

KA09

KA10

. Industrial boilers

. . Multi-fuel combustion boilers

. . Coal or powdered coal burning boilers

. Heating furnaces

. Incinerators

. Hot water suppliers e.g. storage water heaters or household boilers

. . Instantaneous water heaters

. Bath boilers

. Bath boilers with hot water suppliers

. . Bath boilers with hot water suppliers having a plurality of combustion sections

KA11

KA12

KA13

. Heaters e.g. room heaters

. Hot water supply heaters

. Others (free word)

F23N1/08,101;1/08,101@B

LA00
DETECTION OF WATER LEVELS, E.G. OBJECTS TO DETECT OR DETECTORS

LA01

LA02

LA03

LA04

LA05

LA06

LA07

LA08

LA09

LA10

. Detection of water levels

. . using diaphragms

. . using bellows

. . using pistons

. . using floats

. . using electrodes

. Temperature detection

. . Detection of hot water temperature or water temperature

. . Detection of equipment temperature

. Flame detection

F23N1/08,101;1/08,101@C

MA00
DETECTION OF WATER FLOW FOR COMBUSTION CONTROL SYSTEM

MA01

MA02

MA03

MA04

MA06

MA07

. On/off control

. Stepwise control e.g. controls of high medium or low

. Proportional control

. . Differential control or integration control e.g. PI PID

. Microcomputer control

. Timer control

MB00
DETECTION OF WATER FLOW AND OBJECTS TO BE DETECTED OR DETECTING MEANS

MB01

MB02

MB03

MB04

MB05

MB06

MB07

MB08

MB09

. Detection of water flow or amount

. . using diaphragms

. . using pistons or bellows

. . using floats

. . using water turbines or impellers

. Temperature detection

. . Detection of supplied water temperature

. . Detection of supplied hot water temperature

. Flame detection

F23N1/08,101;1/08,101@D

NA00
PURPOSE OF HYDRAULIC PRESSURE RESPONSIVE DEVICE

NA01

NA02

NA03

NA04

NA05

NA06

NA07

NA08

NA09

NA10

. Slow ignition

. Regulation of hot water temperature

. Response when the water pressure is high or low

. Abnormal overheat prevention or abnormal overpressure prevention e.g. prevention of heating without water

. Prevention of after-heating

. Prevention of abnormal noises or vibrations

. Prevention of freezing

. Simplification of operation e.g. by uniaxial operation

. Simplification of structure or assembly of components

. Steam generation

NB00
STRUCTURAL MODIFICATION OF HYDRAULIC PRESSURE RESPONSIVE DEVICE OR IMPROVEMENT THEREOF

NB01

NB02

NB03

NB04

NB05

NB06

NB07

NB08

NB09

NB10

. Structure of diaphragms

. Structure of springs

. Structure of high pressure chambers or low pressure chambers

. Structure of differential pressure generating parts

. . Structure of bypass flow paths

. Structure of gradual moving means

. Structure of hydraulic governors

. Structure of mixing paths

. Structure of water amount regulation valves

. Structure of fuel controllers

NC00
HYDRAULIC PRESSURE RESPONSIVE DEVICE, OR OBJECT TO BE DETECTED OR DETECTING MEANS

NC01

NC02

NC03

NC04

. detecting water pressure with a plurality of diaphragms

. detecting the operations of hydraulic pressure responsive devices

. detecting hot water temperature or water temperature

. detecting flames

F23N1/10;1/10,101

PA00
REGULATION OF FUEL, AIR OR MEDIUM, OR OBJECTS TO BE DETECTED

PA01

PA02

PA04

PA05

PA06

PA07

PA09

. Air detection e.g. amounts or temperatures

. Fuel detection e.g. amounts or temperatures

. Detection of state of objects to be heated in numerical value

. . Detection of hot water temperature or water temperature

. . Detection of the amounts or pressures of water

. . Detection of steam pressure or steam flow

. Flame detection

F23N5/08-5/08@Z

QA00
KINDS OR THE NUMBER OF SENSORS

QA01

QA02

QA03

QA04

QA06

. Optical sensors

. . Infrared ray sensors

. . Ultraviolet ray sensors

. Image sensors e.g. TV cameras

. having a plurality of the same sensors

QB00
CONTROL TIMING

QB01

QB02

QB03

QB04

QB06

QB07

QB08

QB09

. at start

. . at re-ignition

. during the operation

. at stop

. when abnormal

. . at incomplete or abnormal combustion e.g. in oxygen deficiency

. . when failed

. . when misfiring

QC00
POINT OF DISCRIMINATION

QC01

QC03

QC04

QC05

QC06

QC07

QC08

QC10

. Existence of flame

. Conditions of flame e.g. brightness or illuminance

. . Frequencies wavelengths or spectra

. . Detection of state quantity in plane distributions

. . . Brightness distribution or temperature distribution

. . . Shapes of flame

. . Detection using changes over time e.g. fluctuations

. Others (free word)

F23N5/08;5/08@A;5/08@J;5/08@Z

RA00
FEATURES OF STRUCTURES

RA01

RA02

RA03

RA04

RA06

RA07

RA09

RA10

. Optical systems

. . Fibres or light-guides

. . Filters

. . Mirrors or reflectors

. Structure to apply directivity e.g. end surface shapes of photoconductors

. . Regulating sections or movable sections e.g. regulation of light receiving angles

. Having protective means

. . Cooling or prevention of carbon adhesion

RA11

RA12

RA14

RA15

. having light radiating sections other than the flame e.g. electrical light sources

. . having heat receiving light-emitting components e.g. red hot components

. Mounting positions

. Mounting means

F23N5/08;5/08@B-5/08@H;5/08@K-5/08@L;5/08@Z

SA00
FEATURES OF A CIRCUIT

SA01

SA02

SA03

SA04

SA05

SA06

SA07

SA08

SA09

. Malfunction preventing circuits

. . Prevention of malfunctions caused by element defects

. . . Failure check at starts

. . . Failure check by using pulses or oscillation signals

. . Compensation circuits for error components in detected signals or signals in processing circuits

. . . using delay elements or timers

. . . Extraction of specific frequencies or specific wavelengths e.g. filters

. . . Removing dc components or abstracting ac components

. . . Temperature compensation or deterioration compensation

SA11

SA12

SA13

SA14

SA15

. Alarm drive circuits e.g. buzzers

. Air/fuel ratio control circuits

. Ignition or extinction confirmation circuits

. Sensitivity regulation circuits for adjusting after switching combustion modes

. Combinations with other kinds of sensors e.g. thermistors

F23N5/10-5/10,330

TA00
NUMBER OF THERMOCOUPLES OR CONNECTION THEREOF

TA01

TA02

TA03

. having a single thermocouple

. having a plurality of thermocouples

. . having a plurality of thermocouples connected in reversed polarities

TB00
CONTROL TIMING

TB01

TB02

TB03

TB04

TB06

TB07

TB08

TB09

TB10

. at the start

. . at the re-ignition

. during the operation

. at stops

. when abnormal

. . at the time of incomplete or abnormal combustion e.g. in oxygen deficiency

. . at the time of failure

. . at flameout

. . at the time of backfire

TC00
POINT OF DISCRIMINATION

TC01

TC02

TC04

. Existence of flame

. Conditions of flame

. Temperatures

F23N5/10;5/10,310;5/10,310@A-5/10,310@K;5/10,310@Z;5/10,330

UA00
FEATURES OF STRUCTURES

UA01

UA02

UA03

UA04

. Thermocouple materials

. Thermocouple shapes

. Mounting means of thermocouples

. . Thermocouple connection means with electromagnetic valves

UA11

UA12

UA13

UA14

UA15

UA16

UA17

UA19

UA20

. Mounting positions of thermocouples

. . Mounting positions relative to flames e.g. for pilot burners

. . . mounting to special flame ports e.g. for lift burners

. . . . Burners having flame ports in flat arrangement

. . . . Burners having flame ports arranged in a ring

. . . . Burners having flame ports in a linear arrangement

. . Mounting positions of cold junctions

. having protection means e.g. heat resistant coating

. . Covers e.g. covers for preventing water drop adhesion

UA21

UA22

UA23

UA25

UA26

UA28

UA29

UA30

. Existing other components also working as thermocouples

. having thermocouple cooling means for extinction

. . having heat shield plates

. having displays

. Timer switch mechanisms

. Structure of shut-off valves

. . Mechanical operating parts

. . Electrical operating parts

F23N5/10;5/10,310;5/10,310@G;5/10,310@H;5/10,320;5/10,320@A-5/10,320@N;5/10,320@Z;5/10,330

VA00
FEATURES OF CIRCUITS

VA01

VA02

VA03

VA04

VA05

VA06

VA07

VA08

VA09

VA10

. Combination circuits with other kinds of sensors

. . Combination circuits with exhaust gas component sensors e.g. CO sensors

. . Combination circuits with temperature sensors e.g. thermistors or thermostats

. . . detecting the temperatures of heated parts

. . . detecting the temperatures of combustion apparatus parts

. . . . detecting the temperatures of the burners themselves e.g. mixing tubes

. . . . detecting the temperatures of exhaust parts

. . Combination circuits with optical sensors

. . Combination circuits with water level sensors or water pressure sensors

. . Combination circuits with fuel pressure sensors

VA11

VA12

VA14

VA15

VA16

VA18

VA19

VA20

. . Combination circuits with vibration sensors

. . Combination circuits with inclination sensors e.g. mercury switches

. Malfunction preventing circuits

. . Prevention of malfunctions caused by element failures

. . Error component compensation circuits for detected signals or signals in processing circuits e.g. temperature compensation circuits

. Circuits using thermocouples as power sources

. Air/fuel ratio control circuits

. Ignition or extinction confirmation circuits

VA21

VA23

VA24

VA25

VA26

. Alarm drive circuits e.g. buzzers

. Circuits for improving the response or operation

. . having auxiliary power sources

. . . having current timers

. . . . having capacitors as auxiliary power sources

F23N5/12-5/12@Z;5/16

WA00
NUMBER OF FLAME RODS

WA01

WA02

. having a single flame rod

. having multiple flame rods

WB00
CONTROL TIMING

WB01

WB02

WB03

WB04

WB05

WB07

WB08

WB09

WB10

. At the start

. . Transition from ignitions to steady combustions

. . At re-ignition

. during the operation

. at stops

. when abnormal

. . at incomplete or abnormal combustions e.g. in oxygen deficiency

. . at failures

. . at flameouts

WC00
POINT OF DISCRIMINATION

WC01

WC02

WC04

WC05

WC06

. Existence of flames

. Conditions of flames

. Disengagement of devices e.g. exhaust pipes falling down

. Water leakage

. Others (free word)

F23N5/12;5/12@A;5/12@E;5/12@K;5/12@Z

XA00
KINDS OF COMBUSTION UNITS

XA01

XA02

XA03

XA04

XA05

XA06

. Combustion units for liquid fuel

. . Pot types

. . Rotary types

. . Ultrasonic types

. . Vaporising types e.g. Bunsen types

. . Wick types

XA11

XA12

XA13

XA14

XA15

. Combustion units for gas fuel

. . having flame ports arranged flat

. . having flame ports arranged in a ring

. . having flame ports arranged in linearly

. . Pilot burners

XB00
FEATURES OF STRUCTURES

XB01

XB02

XB03

XB04

XB05

XB07

XB08

XB09

XB10

. Flame rod material

. Flame rod shapes

. Flame rod mounting means

. Flame rod mounting positions

. . mounting to specific flame ports e.g. lift burners

. having protection means

. . Cooling or prevention of carbon adhesion

. Combinations with other existing components as flame rods e.g. combinations with heat exchangers or vaporisers

. . Igniters also working as flame rods

F23N5/12;5/12@B-5/12@K;5/12@Z

YA00
FEATURES OF CIRCUITS

YA01

YA02

YA03

YA04

YA05

YA06

YA07

YA08

. Malfunction preventing circuits

. . Prevention of malfunctions caused by element failures

. . . Failure check at the start

. . . Failure check by using pulses or oscillation signals

. . Error component compensation circuits in the detected signals or processing circuit signals e.g. source voltage fluctuations

. . . Elimination of flame flicker or fluctuation

. . . . using delay elements or timers

. . . Temperature compensation

YA11

YA12

YA13

YA14

YA16

YA17

YA18

YA20

. Sensitivity regulation circuits following mode switching of combustions

. Sensitivity regulation circuits following changes of the kinds of gas

. Circuits for improving the response

. Alarm drive circuit e.g. buzzers

. Air/fuel ratio control circuits

. . by controlling fuel supply amounts

. . by controlling air supply amounts

. Protection circuits for elements

YA21

YA22

YA24

YA25

. Ignition or fire-lighting confirmation circuits

. . Ignition or fire-lighting confirmation circuits having slow ignition circuits

. Combination circuits with other kinds of sensors

. . Combination circuits with temperature sensors e.g. thermistors

3K005	CONTROL OF COMBUSTION
	F23N1/08 -1/10,101;5/02-5/16;5/20-5/22,103@Z