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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (filters making use of electricity or magnetism B01D 35/06; separating isotopes B01D 59/00; combinations of magnetic or electrostatic separation with separation of solids by other means B03B, B07B; separating sheets from piles B65H 3/00; magnets or magnet coils per se H01F)
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Magnetic separation
.
{
High gradient magnetic separation
}
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.
Pretreatment specially adapted for magnetic separation
. .
by addition of magnetic adjuvants
. .
by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
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B03C 1/02
.
acting directly on the substance being separated
B03C 1/021
. .
Separation using Meissner effect, i.e. deflection of superconductive particles in a magnetic field
B03C 1/023
. .
Separation using Lorentz force, i.e. deflection of electrically charged particles in a magnetic field
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. .
High gradient magnetic separators
B03C 1/027
. . .
with reciprocating canisters
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. . .
with circulating matrix or matrix elements (matrix elements B03C 1/034)
B03C 1/03
. . . .
rotating, e.g. of the carousel type
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B03C 1/031
. . .
Component parts; Auxiliary operations
B03C 1/032
. . . .
Matrix cleaning systems
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B03C 1/033
. . . .
characterised by the magnetic circuit
B03C 1/0332
. . . . .
{
using permanent magnets
}
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B03C 1/0335
. . . . .
{
using coils
}
. . . . . .
{
superconductive
}
. . . . .
characterised by the matrix elements
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B03C 1/035
. .
Open gradient magnetic separators, i.e. separators in which the gap is unobstructed, characterised by the configuration of the gap
. . .
using superconductive coils
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B03C 1/04
. .
with the material carriers in the form of trays or with tables
B03C 1/06
. . .
with magnets moving during operation
B03C 1/08
. . .
with non-movable magnets
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. .
with cylindrical material carriers (B03C 1/247 takes precedence)
B03C 1/12
. . .
with magnets moving during operation; with movable pole pieces
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B03C 1/14
. . .
with non-movable magnets
B03C 1/145
. . . .
{
with rotating annular or disc-shaped material carriers
}
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B03C 1/16
. .
with material carriers in the form of belts
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B03C 1/18
. . .
with magnets moving during operation
B03C 1/20
. . . .
in the form of belts, e.g. cross-belt type
B03C 1/22
. . .
with non-movable magnets
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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
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B03C 1/24
. . .
with material carried by travelling fields
. . . .
obtained by a rotating magnetic drum
B03C 1/253
. . . .
obtained by a linear motor
. .
with free falling material (B03C 1/035 takes precedence)
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. .
Magnetic plugs and dipsticks
B03C 1/282
. . .
{
with associated accumulation indicator, e.g. Hall sensor
}
B03C 1/284
. . .
{
with associated cleaning means, e.g. retractable non-magnetic sleeve
}
B03C 1/286
. . .
{
disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
}
B03C 1/288
. . .
{
disposed at the outer circumference of a recipient
}
. .
Combinations with other devices, not otherwise provided for
.
acting on the medium containing the substance being separated, e.g. magnetogravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
{
(sink-float separation using heavy liquids or suspensions B03B 5/30)
}
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Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
{
(use of electrostatic separators in combination with exhausts of machines or internal combustion machines F01N 3/01)
}
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B03C 3/01
.
Pretreatment of the gases prior to electrostatic precipitation
. .
Prefiltering; Flow controlling
B03C 3/013
. .
Conditioning by chemical additives, e.g. with SO3
. .
Addition of water; Heat exchange, e.g. by condensation
B03C 3/016
. .
by acoustic or electromagnetic energy, e.g. ultra-violet light
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.
Combinations of electrostatic separation with other processes, not otherwise provided for
B03C 3/0175
. .
{
Amassing particles by electric fields, e.g. agglomeration
}
.
Post-treatment of gases
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.
Plant or installations having external electricity supply (electrode constructions B03C 3/40)
B03C 3/025
. .
{
Combinations of electrostatic separators, e.g. in parallel or in series, stacked separators, dry-wet separator combinations
}
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B03C 3/04
. .
dry type
. . .
characterised by presence of stationary tube electrodes
B03C 3/08
. . .
characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
. . .
characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
B03C 3/10
. . .
characterised by presence of electrodes moving during separating action
B03C 3/12
. . .
characterised by separation of ionising and collecting stations
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. . .
characterised by the additional use of mechanical effects, e.g. gravity (B03C 3/32 takes precedence)
B03C 3/145
. . . .
Inertia
. . . .
Centrifugal forces
. . . .
Filtration
. .
wet type
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B03C 3/28
.
Plant or installations without electricity supply, e.g. using electrets
B03C 3/30
. .
in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
.
Transportable units, e.g. for cleaning room air (room air-conditioners having an electrostatic separating stage F24F)
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B03C 3/34
.
Constructional details or accessories or operation thereof
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. .
Controlling flow of gases or vapour
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B03C 3/361
. . .
{
by static mechanical means, e.g. deflector
}
. . . .
{
located before the filter
}
. . . .
{
located after the filter
}
B03C 3/366
. . . .
{
located in the filter, e.g. special shape of the electrodes
}
B03C 3/368
. . .
{
by other than static mechanical means, e.g. internal ventilator or recycler
}
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. .
Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation, flames (electrode constructions B03C 3/40; ionising gases H05H)
B03C 3/383
. . .
{
using radiation
}
B03C 3/386
. . .
{
using flames
}
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. .
Electrode constructions
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. . .
Ionising-electrodes
B03C 3/43
. . . .
radioactive
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B03C 3/45
. . .
Collecting-electrodes
. . . .
{
specially adapted for heat exchange with the gas stream (B03C 3/53 takes precedence)
}
. . . .
flat, e.g. plates, discs, gratings
. . . .
tubular
{
(B03C 3/455 takes precedence)
}
B03C 3/51
. . . .
Catch- space electrodes, e.g. slotted-box form
. . . .
Liquid, or liquid-film, electrodes
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B03C 3/60
. . .
Use of special materials other than liquids
B03C 3/62
. . . .
ceramics
B03C 3/64
. . . .
synthetic resins
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B03C 3/66
. .
Applications of electricity supply techniques
. . .
Control systems therefor
. . .
insulating in electric separators (B03C 3/53 takes precedence)
. .
Emergency control systems
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. .
Cleaning the electrodes
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B03C 3/743
. . .
{
by using friction, e.g. by brushes or sliding elements
}
. . . .
{
Electricity supply or control systems therefor
}
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B03C 3/76
. . .
by using a mechanical vibrator, e.g. rapping gear;
{
by using impact
}
B03C 3/761
. . . .
{
Drive-transmitting devices therefor, e.g. insulated shafts
}
. . . .
{
Electricity supply or control systems therefor
}
B03C 3/765
. . . .
{
with electromagnetic rappers
}
B03C 3/766
. . . .
{
with pneumatic rappers
}
B03C 3/768
. . . .
{
with free falling masses, e.g. dropped metal balls
}
. . .
by washing
B03C 3/80
. . .
by gas or solid particle blasting
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. .
Housings
. . .
Protective coatings
. .
Electrode-carrying means (B03C 3/40 takes precedence)
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. .
Cleaning-out collected particles
B03C 3/885
. . .
{
by travelling or oscillating electric fields, e.g. electric field curtains (electrostatic non-mechanical conveyers in general B65G 54/02)
}
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Separating dispersed particles from liquids by electrostatic effect (
{
flocculation or agglomeration of electric particles induced by electric field B01D 21/0009; microreactors B01J 19/0093
}
; combined with centrifuges B04B 5/10;
{
treatment of microorganisms and apparatus therefor C12M 1/42, C12N 13/00, C12Q 1/24; analysis of biomaterial by electrical means G01N 33/48707
}
)
NOTE
-
In this group, the following term is used with the meaning indicated:
- "separating" means dimensional modifications of particle-liquid distributions, e.g. particle immobilisation, caging, translational or rotational motion

.
{
Dielectrophoresis, i.e. dielectric particles migrating towards the region of highest field strength (B03C 5/02 takes precedence; electrophoresis B01D 57/02)
}
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.
Separators
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B03C 5/022
. .
{
Non-uniform field separators
}
B03C 5/024
. . .
{
using high-gradient differential dielectric separation, i.e. using a dielectric matrix polarised by an external field
}
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)
}
B03C 5/028
. . .
{
using travelling electric fields, i.e. travelling wave dielectrophoresis (TWD)
}
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Separating solids from solids by electrostatic effect
B03C 7/003
.
{
Pretreatment of the solids prior to electrostatic separation
}
B03C 7/006
.
{
Charging without electricity supply, e.g. by tribo-electricity, pyroelectricity
}
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B03C 7/02
.
Separators
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B03C 7/023
. .
{
Non-uniform field separators
}
B03C 7/026
. . .
{
using travelling or oscillating electric fields
}
B03C 7/04
. .
with material carriers in the form of trays, troughs, or tables
B03C 7/06
. .
with cylindrical material carriers
B03C 7/08
. .
with material carriers in the form of belts
B03C 7/10
. .
with material falling in cascades
B03C 7/12
. .
with material falling free
Electrostatic separation not provided for in a single preceding main group
Separation by high-voltage electrical fields, not provided for in other groups of this subclass
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B03C 2201/00
Details of magnetic or electrostatic separation
B03C 2201/02
.
Electro-statically separating liquids from liquids
B03C 2201/04
.
Ionising electrode being a wire
B03C 2201/06
.
Ionising electrode being a needle
B03C 2201/08
.
Ionising electrode being a rod
B03C 2201/10
.
Ionising electrode has multiple serrated ends or parts
B03C 2201/12
.
Cleaning the device by burning the trapped particles
B03C 2201/14
.
the gas being moved electro-kinetically
B03C 2201/16
.
Magnetic separating gases form gases e.g. oxygen from air
B03C 2201/18
.
the particles being suspended in a liquid
B03C 2201/20
.
the particles to be separated being in solid form
B03C 2201/22
.
characterised by the magnetical field, special shape or generation
B03C 2201/24
.
for measuring or calculating parameters, efficiency, etc.
B03C 2201/26
.
for use in medical applications
B03C 2201/28
.
Parts being easily removable for cleaning purposes
B03C 2201/30
.
for use in or with vehicles
B03C 2201/32
.
Checking the quality of the result or the well-functioning of the device
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013