F-Term-List

H05B7/00@A;7/02;7/02@A-7/02@Z;7/144-7/156;7/18-7/22

AA00
ARC DISCHARGE HEATING

AA01

AA02

AA03

AA04

AA05

AA07

AA08

AA09

. Devices having furnace-bottom electrodes

. Direct current (DC) arcs

. Alternating current (AC) arcs

. . Single-phase arc

. . Three-phase arc

. Plasma-arc devices

. . Devices having plasma torches

. . . Structure of plasma torches

AA11

AA12

AA13

AA14

AA15

AA16

. Structure of heating chambers or furnace bodies

. Characteristic electrode structures

. Specific heating circumstances and atmospheres

. . Vacuum atmospheres

. . Application of external magnetic fields

. Characteristic electric circuit controls

H05B7/00@B-7/00@Z;7/02;7/02@A-7/02@Z;7/16

AB00
DEVICES OTHER THAN ARC DISCHARGE HEATING DEVICES

AB01

AB02

AB03

AB04

AB05

AB06

. Electron-beam heating devices

. . Characteristic mechanical structures

. . . Structure of electron guns

. . . Structure of heating chambers and furnaces

. . . Application of magnetic fields externally

. . Electric circuits and controls

AB11

AB12

AB13

AB14

AB15

AB16

. Glow discharge heating devices

. . Characteristic mechanical structures

. . . Structure of electrodes

. . . Structure of heating chambers and furnace bodies

. . . Application of magnetic fields externally

. . Electric circuits and controls

H05B7/00;7/00@A-7/00@Z;7/144-7/22

BA00
OBJECTIVES OF CIRCUITS OR CONTROLS

BA01

BA02

BA03

BA04

BA05

BA07

BA08

BA09

. Emergency countermeasures

. . Short circuits and overcurrent countermeasures

. . Prevention of faults in the devices (e.g., electrode damage prevention)

. . Flicker countermeasures

. . Removal of three-phase unbalance

. Improvement in operability and efficiency

. . Stabilization of operation (e.g., prevention of arc breaks)

. . Improvement in power factor

BB00
PARAMETERS BEING DETECTED

BB01

BB02

BB03

BB04

BB05

BB06

BB08

. Voltage or electric current of power supply paths

. . Electrode currents

. . Electrode voltage

. Status of electrodes (e.g., electrode position or velocity)

. Status inside furnaces (e.g., temperature inside furnaces)

. Electrode driving motor velocity, voltage, or electric current

. Specific calculating operations for detected values

BC00
OBJECTIVES OF OPERATIONS

BC01

BC02

BC03

BC05

BC06

BC07

BC08

BC09

. Control of electrode position and electrode-lifting

. . Electrode driving via electrical means

. . Electrode driving via hydraulic means

. Control of power-supply paths

. . Control of converters (e.g., tap switching)

. . Control of impedance of power-supply paths

. . Opening and closing of power-supply paths, or switching control

. . . Control by thyristors

BD00
TYPES OF SET VALUES

BD01

BD02

BD03

BD04

BD05

. Temperature inside furnaces

. Electrode currents

. Electrode voltage

. Arc impedance

. Input power

BE00
TYPES OF CONTROL

BE01

BE02

BE03

BE04

BE06

BE07

BE08

. Control via specified set values

. Control via unspecified values

. . Presetting of times (e.g., start time or rest time)

. . Modification on the basis of detection conditions

. Specifying desired upper or lower limit values

. Switching between two or more control methods

. Devices making use of computer processing

H05B7/06-7/107;7/12-7/14@Z

CA00
ELECTRODES

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

CA10

. Shape and structure

. . Hollow electrodes

. . Compound electrodes (i.e., non-consumable electrodes used together with consumable electrodes)

. . Self-baking electrodes

. . . Electrode casings

. Positioning of electrodes

. . Positioning of multiple electrodes

. . Furnace-bottom electrodes

. Electrodes with specific compositions

. Electrode-manufacturing methods

CB00
PROTECTION OF ELECTRODES

CB01

CB02

CB03

CB04

CB05

CB07

. Cooling

. . Circulation of cooling agents

. . . Agents that directly affect electrodes

. . . Agents that indirectly affect electrodes

. . Spraying of cooling agents on electrodes

. Processes or coatings for electrode surfaces

CC00
ELECTRODE SEAMS

CC01

CC02

CC04

CC05

CC07

CC08

. Structures to prevent loosening

. . Fastening by means of pitch, pastes, or the like

. Structures facilitating connections

. . Types of screws or nipples

. Structures to prevent damages

. . Types of screws or nipples

CD00
ELECTRODE SUPPORT

CD01

CD03

CD04

CD05

CD06

CD07

CD08

CD10

. Support without using holders

. Supports using holders

. . Tightened supports using bolts

. . Tightened supports using springs

. . Tightened supports using wedges

. . Supports using holders with cooling structures

. . Supports using intermediate materials between the holders and electrodes

. Structures connecting to current buses or terminal structures

H05B7/06-7/14@Z

DA00
ELECTRODE PERIPHERAL DEVICES

DA01

DA02

DA04

DA06

DA08

DA09

. Electrode-support equipment (e.g., support arms or pole braces)

. . Structures of electrode-lifting areas

. Structure of sections of electrodes that penetrate furnace walls or electrode economizers

. Means of detecting electrode conditions

. Devices and means for adding electrodes

. . Automatic electrode supply devices and means

DA11

DA12

DA13

DA14

DA15

. Power-supply devices

. . Conductor structures

. . Conductor arrangements

. . Cooling-conductor structures

. . Structures of areas connecting to electrodes or terminal structures

3K084	Discharge heating
	H05B7/00 -7/22