1. CPC Sections
  2. CPC Section B
  3. CPC Class B03
  4. CPC Subclass B03C
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CPC
COOPERATIVE PATENT CLASSIFICATION
B03C
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (separating isotopes B01D 59/00; combinations of magnetic or electrostatic separation with separation of solids by other means B03B, B07B) [2024-08]
B03C 1/00
Magnetic separation [2013-01]
B03C 1/002
.
{High gradient magnetic separation (acting directly on the substance being separated B03C 1/025; acting on the medium containing the substance being separated B03C 1/32)} [2024-08]
B03C 1/005
.
Pretreatment specially adapted for magnetic separation [2013-01]
B03C 1/01
. .
by addition of magnetic adjuvants [2013-01]
B03C 1/015
. .
by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation [2013-01]
B03C 1/02
.
acting directly on the substance being separated [2013-01]
B03C 1/021
. .
Separation using Meissner effect, i.e. deflection of superconductive particles in a magnetic field [2013-01]
B03C 1/023
. .
Separation using Lorentz force, i.e. deflection of electrically charged particles in a magnetic field [2013-01]
B03C 1/025
. .
High gradient magnetic separators [2013-01]
B03C 1/027
. . .
with reciprocating canisters [2013-01]
B03C 1/029
. . .
with circulating matrix or matrix elements [2023-02]
B03C 1/03
. . . .
rotating, e.g. of the carousel type [2013-01]
B03C 1/031
. . .
Component parts; Auxiliary operations [2013-01]
B03C 1/032
. . . .
Matrix cleaning systems [2013-01]
B03C 1/033
. . . .
characterised by the magnetic circuit [2013-01]
B03C 1/0332
. . . . .
{using permanent magnets} [2013-01]
B03C 1/0335
. . . . .
{using coils} [2013-01]
B03C 1/0337
. . . . . .
{superconductive} [2013-01]
B03C 1/034
. . . . .
characterised by the matrix elements [2013-01]
B03C 1/035
. .
Open gradient magnetic separators, i.e. separators in which the gap is unobstructed, characterised by the configuration of the gap [2013-01]
B03C 1/0355
. . .
using superconductive coils [2013-01]
B03C 1/04
. .
with the material carriers in the form of trays or with tables [2013-01]
B03C 1/06
. . .
with magnets moving during operation [2013-01]
B03C 1/08
. . .
with non-movable magnets [2013-01]
B03C 1/10
. .
with cylindrical material carriers (B03C 1/247 takes precedence) [2013-01]
B03C 1/12
. . .
with magnets moving during operation; with movable pole pieces [2013-01]
B03C 1/14
. . .
with non-movable magnets [2013-01]
B03C 1/145
. . . .
{with rotating annular or disc-shaped material carriers} [2013-01]
B03C 1/16
. .
with material carriers in the form of belts [2013-01]
B03C 1/18
. . .
with magnets moving during operation [2013-01]
B03C 1/20
. . . .
in the form of belts, e.g. cross-belt type [2013-01]
B03C 1/22
. . .
with non-movable magnets [2013-01]
B03C 1/23
. .
with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp [2013-01]
B03C 1/24
. . .
with material carried by travelling fields [2013-01]
B03C 1/247
. . . .
obtained by a rotating magnetic drum [2013-01]
B03C 1/253
. . . .
obtained by a linear motor [2013-01]
B03C 1/26
. .
with free falling material (B03C 1/035 takes precedence) [2013-01]
B03C 1/28
. .
Magnetic plugs and dipsticks [2013-01]
B03C 1/282
. . .
{with associated accumulation indicator, e.g. Hall sensor} [2013-01]
B03C 1/284
. . .
{with associated cleaning means, e.g. retractable non-magnetic sleeve} [2013-01]
B03C 1/286
. . .
{disposed at the inner circumference of a recipient, e.g. magnetic drain bolt} [2013-01]
B03C 1/288
. . .
{disposed at the outer circumference of a recipient} [2013-01]
B03C 1/30
. .
Combinations with other devices, not otherwise provided for [2013-01]
B03C 1/32
.
acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation [2023-02]
B03C 3/00
Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect [2023-02]
B03C 3/01
.
Pretreatment of the gases prior to electrostatic precipitation [2013-01]
B03C 3/011
. .
Prefiltering; Flow controlling [2013-01]
B03C 3/013
. .
Conditioning by chemical additives, e.g. with SO3 [2013-01]
B03C 3/014
. .
Addition of water; Heat exchange, e.g. by condensation [2013-01]
B03C 3/016
. .
by acoustic or electromagnetic energy, e.g. ultraviolet light [2023-08]
B03C 3/017
.
Combinations of electrostatic separation with other processes, not otherwise provided for [2013-01]
B03C 3/0175
. .
{Amassing particles by electric fields, e.g. agglomeration} [2013-01]
B03C 3/019
.
Post-treatment of gases [2013-01]
B03C 3/02
.
Plant or installations having external electricity supply [2023-02]
B03C 3/025
. .
{Combinations of electrostatic separators, e.g. in parallel or in series, stacked separators or dry-wet separator combinations} [2024-08]
B03C 3/04
. .
dry type [2013-01]
B03C 3/06
. . .
characterised by presence of stationary tube electrodes [2013-01]
B03C 3/08
. . .
characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream [2013-01]
B03C 3/09
. . .
characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream [2013-01]
B03C 3/10
. . .
characterised by presence of electrodes moving during separating action [2013-01]
B03C 3/12
. . .
characterised by separation of ionising and collecting stations [2013-01]
B03C 3/14
. . .
characterised by the additional use of mechanical effects, e.g. gravity (B03C 3/32 takes precedence) [2013-01]
B03C 3/145
. . . .
Inertia [2013-01]
B03C 3/15
. . . .
Centrifugal forces [2013-01]
B03C 3/155
. . . .
Filtration [2013-01]
B03C 3/16
. .
wet type [2013-01]
B03C 3/28
.
Plant or installations without electricity supply, e.g. using electrets [2013-01]
B03C 3/30
. .
in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity [2013-01]
B03C 3/32
.
Transportable units, e.g. for cleaning room air [2023-02]
B03C 3/34
.
Constructional details or accessories or operation thereof [2013-01]
B03C 3/36
. .
Controlling flow of gases or vapour [2013-01]
B03C 3/361
. . .
{by static mechanical means, e.g. deflector} [2013-01]
B03C 3/363
. . . .
{located before the filter} [2013-01]
B03C 3/365
. . . .
{located after the filter} [2013-01]
B03C 3/366
. . . .
{located in the filter, e.g. special shape of the electrodes} [2013-01]
B03C 3/368
. . .
{by other than static mechanical means, e.g. internal ventilator or recycler} [2013-01]
B03C 3/38
. .
Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames [2023-02]
B03C 3/383
. . .
{using radiation} [2013-01]
B03C 3/386
. . .
{using flames} [2013-01]
B03C 3/40
. .
Electrode constructions [2013-01]
B03C 3/41
. . .
Ionising-electrodes [2013-01]
B03C 3/43
. . . .
radioactive [2013-01]
B03C 3/45
. . .
Collecting-electrodes [2013-01]
B03C 3/455
. . . .
{specially adapted for heat exchange with the gas stream (B03C 3/53 takes precedence)} [2013-01]
B03C 3/47
. . . .
flat, e.g. plates, discs, gratings [2013-01]
B03C 3/49
. . . .
tubular [2024-08]
B03C 3/51
. . . .
Catch- space electrodes, e.g. slotted-box form [2013-01]
B03C 3/53
. . . .
Liquid, or liquid-film, electrodes [2013-01]
B03C 3/60
. . .
Use of special materials other than liquids [2013-01]
B03C 3/62
. . . .
ceramics [2013-01]
B03C 3/64
. . . .
synthetic resins [2013-01]
B03C 3/66
. .
Applications of electricity supply techniques [2013-01]
B03C 3/68
. . .
Control systems therefor {(electricity supply or control systems for cleaning the electrodes B03C 3/746, B03C 3/763)} [2023-02]
B03C 3/70
. . .
insulating in electric separators (B03C 3/53 takes precedence) [2013-01]
B03C 3/72
. .
Emergency control systems [2013-01]
B03C 3/74
. .
Cleaning the electrodes [2013-01]
B03C 3/743
. . .
{by using friction, e.g. by brushes or sliding elements} [2013-01]
B03C 3/746
. . . .
{Electricity supply or control systems therefor} [2013-01]
B03C 3/76
. . .
by using a mechanical vibrator, e.g. rapping gear {; by using impact} [2017-08]
B03C 3/761
. . . .
{Drive-transmitting devices therefor, e.g. insulated shafts} [2013-01]
B03C 3/763
. . . .
{Electricity supply or control systems therefor} [2013-01]
B03C 3/765
. . . .
{with electromagnetic rappers} [2013-01]
B03C 3/766
. . . .
{with pneumatic rappers} [2013-01]
B03C 3/768
. . . .
{with free falling masses, e.g. dropped metal balls} [2013-01]
B03C 3/78
. . .
by washing [2013-01]
B03C 3/80
. . .
by gas or solid particle blasting [2013-01]
B03C 3/82
. .
Housings [2013-01]
B03C 3/84
. . .
Protective coatings [2013-01]
B03C 3/86
. .
Electrode-carrying means (B03C 3/40 takes precedence) [2013-01]
B03C 3/88
. .
Cleaning-out collected particles [2013-01]
B03C 3/885
. . .
{by travelling or oscillating electric fields, e.g. electric field curtains} [2024-08]
​
B03C 5/00
Separating dispersed particles from liquids by electrostatic effect (combined with centrifuges B04B 5/10) [2024-08]
NOTE

  • { In this group, the following term is used with the meaning indicated:
    • "separating" includes separation of particles from liquids as is conventionally understood, as well as the immobilisation, caging, translation or rotational motion of particles
    }
B03C 5/005
.
{Dielectrophoresis, i.e. dielectric particles migrating towards the region of highest field strength} [2024-08]
B03C 5/02
.
Separators [2013-01]
B03C 5/022
. .
{Non-uniform field separators} [2013-01]
B03C 5/024
. . .
{using high-gradient differential dielectric separation, i.e. using a dielectric matrix polarised by an external field} [2013-01]
B03C 5/026
. . .
{using open-gradient differential dielectric separation, i.e. using electrodes of special shapes for non-uniform field creation, e.g. Fluid Integrated Circuit [FIC]} [2013-01]
B03C 5/028
. . .
{using travelling electric fields, i.e. travelling wave dielectrophoresis [TWD]} [2013-01]
B03C 7/00
Separating solids from solids by electrostatic effect [2013-01]
B03C 7/003
.
{Pretreatment of the solids prior to electrostatic separation} [2013-01]
B03C 7/006
.
{Charging without electricity supply, e.g. by tribo-electricity or pyroelectricity} [2024-08]
B03C 7/02
.
Separators [2013-01]
B03C 7/023
. .
{Non-uniform field separators} [2013-01]
B03C 7/026
. . .
{using travelling or oscillating electric fields} [2013-01]
B03C 7/04
. .
with material carriers in the form of trays, troughs, or tables [2013-01]
B03C 7/06
. .
with cylindrical material carriers [2013-01]
B03C 7/08
. .
with material carriers in the form of belts [2013-01]
B03C 7/10
. .
with material falling in cascades [2013-01]
B03C 7/12
. .
with material falling free [2013-01]
B03C 9/00
Electrostatic separation not provided for in any single one of the other main groups of this subclass [2022-08]
B03C 11/00
Separation by high-voltage electrical fields, not provided for in other groups of this subclass [2013-01]
B03C 2201/00
Details of magnetic or electrostatic separation [2013-01]
B03C 2201/02
.
Electrostatic separation of liquids from liquids [2024-08]
B03C 2201/04
.
Ionising electrode being a wire [2013-01]
B03C 2201/06
.
Ionising electrode being a needle [2013-01]
B03C 2201/08
.
Ionising electrode being a rod [2013-01]
B03C 2201/10
.
Ionising electrode with two or more serrated ends or sides [2024-08]
B03C 2201/12
.
Cleaning the device by burning the trapped particles [2013-01]
B03C 2201/14
.
the gas being moved electro-kinetically [2013-01]
B03C 2201/16
.
Magnetic separation of gases from gases, e.g. oxygen from air [2024-08]
B03C 2201/18
.
Magnetic separation whereby the particles are suspended in a liquid [2015-10]
B03C 2201/20
.
Magnetic separation of bulk or dry particles in mixtures [2024-08]
B03C 2201/22
.
characterised by the magnetic field, e.g. its shape or generation [2024-08]
B03C 2201/24
.
for measuring or calculating of parameters, e.g. efficiency [2024-08]
B03C 2201/26
.
for use in medical or biological applications [2024-08]
B03C 2201/28
.
Parts being designed to be removed for cleaning purposes [2024-08]
B03C 2201/30
.
for use in or with vehicles [2013-01]
B03C 2201/32
.
Checking the quality of the result or the well-functioning of the device [2013-01]