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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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NUCLEAR POWER PLANT (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G06G 7/54)
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Details of nuclear power plant (control G21D 3/00)
G21D 1/003
.
{
Nuclear facilities decommissioning arrangements (decontamination arrangements, treating radioactively contaminated material G21F 9/00)
}
.
{
primary side of steam generators (secondary side of steam generators F22B1, F22B35 or F22B37)
}
G21D 1/02
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Arrangements of auxiliary equipment
G21D 1/04
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Pumping arrangements(within the reactor pressure vessel G21C 15/24; electrodynamic pumps H02K 44/02)
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Control of nuclear power plant (control of nuclear reaction in general G21C 7/00)
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{
Computer implemented control
}
G21D 3/008
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{
Man-machine interface, e.g. control room layout
}
G21D 3/02
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Manual control
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G21D 3/04
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Safety arrangements (emergency protection of reactor G21C 9/00)
G21D 3/06
. .
responsive to faults within the plant (in the reactor G21C 9/00)
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G21D 3/08
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Regulation of any parameters in the plant
G21D 3/10
. .
by a combination of a variable derived from neutron flux with other controlling variables, e.g. derived from temperature, cooling flow, pressure
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G21D 3/12
. .
by adjustment of the reactor in response only to changes in engine demand
G21D 3/14
. . .
Varying flow of coolant
G21D 3/16
. . .
Varying reactivity
G21D 3/18
. .
by adjustment of plant external to the reactor only in response to change in reactivity
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Arrangements of reactor and engine in which reactor-produced heat is converted into mechanical energy
G21D 5/02
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Reactor and engine structurally combined, e.g. portable
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G21D 5/04
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Reactor and engine not structurally combined
G21D 5/06
. .
with engine working medium circulating through reactor core
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G21D 5/08
. .
with engine working medium heated in a heat exchanger by the reactor coolant
G21D 5/10
. . .
Liquid working medium partially heated by reactor and vaporised by heat source external to the core, e.g. with oil heating
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G21D 5/12
. . .
Liquid working medium vaporised by reactor coolant
G21D 5/14
. . . .
and also superheated by reactor coolant
G21D 5/16
. . . .
superheated by separate heat source
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Arrangements for direct production of electric energy from fusion or fission reactions (obtaining electric energy from radioactive sources G21H 1/00)
G21D 7/02
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using magneto-hydrodynamic generators
{
(MHD-generators with thermodynamic cycles F02C 7/00; magneto-hydrodynamic generators H02K 44/08)
}
G21D 7/04
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using thermoelectric elements
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or thermoionic converters
}
(structural combination of fuel element with thermoelectric element
{
or with thermoionic converters
}
G21C 3/40
{
, G21H 1/10
}
; thermoelectric elements per se H01L 35/00, H01L 37/00)
Arrangements to provide heat for purposes other than conversion into power, e.g. for heating buildings
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G21D 2003/00
Control of nuclear power plant (control of nuclear reaction in general G21C 7/00)
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G21D 2003/001
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{
Computer implemented control
}
G21D 2003/002
. .
Core design; Core simulations
G21D 2003/004
. .
Fuel shuffle simulations
G21D 2003/005
. .
Thermo-hydraulic simulations
G21D 2003/007
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Expert systems
G21D 2010/00
Protection of plant or environment from mutual hazards : means for monitoring the effects of plant or environment upon each other
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Last Modified: 10/10/2013