United States Patent and Trademark Office

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	CPC	COOPERATIVE PATENT CLASSIFICATION

F05B

INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY

NOTE

This subclass constitutes an internal scheme for indexing only.

F05B 2200/00

Mathematical features

F05B 2200/10

Basic functions

F05B 2200/11

. .

Sum

F05B 2200/12

. .

Substraction

F05B 2200/13

. .

Product

F05B 2200/14

. .

Division

F05B 2200/15

. .

Inverse

F05B 2200/20

Special functions

F05B 2200/21

. .

Root

F05B 2200/211

. . .

Square root

F05B 2200/212

. . .

Cubic root

F05B 2200/22

. .

Power

F05B 2200/221

. . .

Square power

F05B 2200/222

. . .

Cubic power

F05B 2200/23

. .

Logarithm

F05B 2200/24

. .

exponential

F05B 2200/25

. .

Hyperbolic trigonemetric, e.g. sinh, cosh, tanh

F05B 2200/26

. .

trigonometric

F05B 2200/261

. . .

Sine

F05B 2200/262

. . .

Cosine

F05B 2200/263

. . .

Tangent

F05B 2200/264

. . .

Cotangent

F05B 2200/30

miscellaneous

F05B 2200/31

. .

odd

F05B 2200/32

. .

even

F05B 2200/33

. .

bigger/smaller

F05B 2200/34

. .

biggest/smallest

F05B 2200/35

. .

first

F05B 2200/36

. .

last

F05B 2210/00

Working fluid

NOTE

Indexing codes of group F05B 2210/00 can be followed by a name for a specific working fluid preceded by the "+" sign, e.g. F05B 2210/11+water.

F05B 2210/10

Kind or type

F05B 2210/11

. .

liquid, i.e. incompressible

F05B 2210/12

. .

gaseous, i.e. compressible

F05B 2210/13

. .

mixed, e.g. two-phase fluid

F05B 2210/132

. . .

Pumps with means for separating and evacuating the gaseous phase

F05B 2210/14

. .

Refrigerants with particular properties, e.g. HFC-134a

F05B 2210/16

Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification

F05B 2210/18

Air and water being simultaneously used as working fluid

F05B 2210/20

Properties

F05B 2210/30

Flow characteristics

F05B 2210/301

. .

with Mach-number kept constant along the flow

F05B 2210/302

. .

Pressure kept constant along the flow

F05B 2210/40

Flow geometry or direction

F05B 2210/401

. .

upwards due to the buoancy of compressed air

F05B 2210/402

. .

Axial inlet and radial outlet

F05B 2210/403

. .

Radial inlet and axial outlet

F05B 2210/404

. .

bidirectional, i.e. in opposite, alternating directions

F05B 2220/00

Application

F05B 2220/10

in ram-jet engines or ram-jet driven vehicles

F05B 2220/20

within closed fluid conduits, e.g. pipes

F05B 2220/25

as advertisement

F05B 2220/30

in turbines

F05B 2220/301

. .

in steam turbines

F05B 2220/302

. .

in gas turbines

F05B 2220/3021

. . .

for a special turbine stage

F05B 2220/3022

. . . .

the first stage of a turbine

F05B 2220/3023

. . . .

an intermediate stage of the turbine

F05B 2220/3025

. . . .

the last stage of the turbine

F05B 2220/303

. . .

for aircraft propulsion, e.g. jet engines

F05B 2220/304

. . .

to drive unshrouded, low solidity propeller

F05B 2220/305

. . .

to drive unshrouded, high solidity propeller

F05B 2220/306

. . .

to drive shrouded, low solidity propeller

F05B 2220/307

. . .

to drive shrouded, high solidity propeller

F05B 2220/308

. . .

providing direct vertical lift

F05B 2220/309

. . .

in a helicopter

F05B 2220/31

. .

in ram-air turbines ("RATS")

F05B 2220/32

. .

in water turbines

F05B 2220/33

. .

specially adapted for the fan of turbofan engines

F05B 2220/40

in turbochargers

F05B 2220/50

for auxiliary power units (APU's)

F05B 2220/60

making use of surplus or waste energy

F05B 2220/602

. .

with energy recovery turbines

F05B 2220/604

. .

for domestic central heating or production of electricity

F05B 2220/61

for hydrogen and/or oxygen production

F05B 2220/62

for desalination

F05B 2220/64

for aeration

F05B 2220/70

in combination with

F05B 2220/702

. .

a steam turbine

F05B 2220/704

. .

a gas turbine

F05B 2220/706

. .

an electrical generator

F05B 2220/7062

. . .

of the direct current (D.C.) type

F05B 2220/7064

. . .

of the alternating current (A.C.) type

F05B 2220/70642

. . . .

of the synchronous type

F05B 2220/70644

. . . .

of the asynchronous type, i.e. induction type

F05B 2220/70646

. . . . .

Double fed induction generators (DFIGs)

F05B 2220/7066

. . .

via a direct connection, i.e. a gearless transmission

F05B 2220/7068

. . .

equipped with permanent magnets

F05B 2220/707

. . .

of the linear type

F05B 2220/708

. .

Photoelectric means, i.e. photovoltaic or solar cells

F05B 2220/709

. .

Piezoelectric means

F05B 2220/80

in supersonic vehicles excluding hypersonic vehicles or ram, scram or rocket propulsion

F05B 2220/90

in vehicles adapted for vertical or short take off and landing (v/stol vehicles), (gas turbines providing direct vertical lift F05B 2220/308)

F05B 2230/00

Manufacture

NOTE

Manufacture comprises also treatment, assembly or disassembly methods, repairing, handling or the like.

F05B 2230/10

by removing material

F05B 2230/101

. .

by electrochemical methods

F05B 2230/102

. .

by spark erosion methods

F05B 2230/103

. .

using lasers

F05B 2230/104

Micromachining

F05B 2230/20

essentially without removing material

F05B 2230/21

. .

by casting

F05B 2230/211

. . .

by precision casting, e.g. microfusing or investment casting

F05B 2230/22

. .

by sintering

F05B 2230/23

. .

by permanently joining parts together

F05B 2230/232

. . .

by welding

F05B 2230/233

. . . .

Electron beam welding

F05B 2230/234

. . . .

Laser welding

F05B 2230/235

. . . .

Tig/Mig welding

F05B 2230/236

. . . .

Diffusion bonding

F05B 2230/237

. . . .

Brazing

F05B 2230/238

. . . .

Soldering

F05B 2230/239

. . . .

Inertia or friction welding

F05B 2230/24

. .

by extrusion

F05B 2230/25

. .

by forging

F05B 2230/26

. .

by rolling

F05B 2230/30

with deposition of material

F05B 2230/31

. .

Layer deposition

F05B 2230/311

. . .

by torch or flame spray

F05B 2230/312

. . .

by plasma spray

F05B 2230/313

. . .

by physical vapour deposition

F05B 2230/314

. . .

by chemical vapour deposition

F05B 2230/40

Heat treatment

F05B 2230/41

. .

Hardening; Annealing

F05B 2230/50

Building or constructing in particular ways

F05B 2230/502

. .

using existing or "off the shelf" parts, e.g. using standardised turbocharger elements

F05B 2230/60

Assembly methods

F05B 2230/601

. .

using limited numbers of standard modules which can be adapted by machining

F05B 2230/604

. .

using positioning or alignment devices for aligning or centering, e.g. pins

F05B 2230/606

. . .

using maintaining alignment while permitting differential dilatation

F05B 2230/608

. . .

for adjusting the position or the alignment, e.g. wedges or excenters

F05B 2230/61

. .

using auxiliary equipment for lifting or holding (hoisting on to a stationary structure with provisions on the structure itself F05B 2240/916)

F05B 2230/6102

. . .

carried on a floating platform

F05B 2230/70

Disassembly methods

F05B 2230/80

Repairing, retrofitting or upgrading methods

F05B 2230/90

Coating; Surface treatment (manufacture with deposition of material F05B 2220/30)

F05B 2240/00

Components

NOTE

Components are the basic elements of construction.

F05B 2240/10

Stators

F05B 2240/11

. .

Shroud seal segments

F05B 2240/12

. .

Fluid guiding means, e.g. vanes

F05B 2240/121

. . .

Baffles or ribs

F05B 2240/122

. . .

Vortex generators, turbulators, or the like, for mixing (by creating turbulence F05B 2260/222)

F05B 2240/123

. . .

Nozzles

F05B 2240/1231

. . . .

Plug nozzles

F05B 2240/124

. . .

Cascades, i.e. assemblies of similar profiles acting in parallel

F05B 2240/13

. .

to collect or cause flow towards or away from turbines

F05B 2240/131

. . .

by means of vertical structures, i.e. chimneys

F05B 2240/132

. . .

creating a vortex or tornado effect

F05B 2240/133

. . .

with a convergent-divergent guiding structure, e.g. a Venturi conduit

F05B 2240/14

. .

Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies within

F05B 2240/142

. . .

in the form of a standard ISO container

F05B 2240/20

Rotors

F05B 2240/201

. .

using the Magnus-effect

F05B 2240/202

. .

with adjustable area of intercepted fluid

F05B 2240/2021

. . .

by means of telescoping blades

F05B 2240/2022

. . .

by means of tethering or coning blades

F05B 2240/2023

. . .

by means of radially reefing blades

F05B 2240/21

. .

for wind turbines

F05B 2240/211

. . .

with vertical axis

F05B 2240/212

. . . .

of the Darrieus type

F05B 2240/213

. . . .

of the Savonieus type

F05B 2240/214

. . . .

of the Musgrove or "H"-type

F05B 2240/215

. . . .

of the panemone or "vehicle ventilator" type

F05B 2240/216

. . . .

of the anemometer type

F05B 2240/217

. . . .

of the crossflow- or "Banki"- or "double action" type

F05B 2240/218

. . . .

with horizontally hinged vanes

F05B 2240/221

. . .

with horizontal axis

F05B 2240/2211

. . . .

of the multibladed, low speed, e.g. "American farm" type

F05B 2240/2212

. . . .

perpendicular to wind direction

F05B 2240/2213

. . . .

and with the rotor downwind from the yaw pivot axis

F05B 2240/231

. . .

driven by aerodynamic lift effects

F05B 2240/232

. . . .

driven by drag

F05B 2240/24

. .

for turbines

F05B 2240/241

. . .

of impulse type

F05B 2240/2411

. . . .

Pelton type

F05B 2240/242

. . .

of reaction type

F05B 2240/243

. . .

of the Archimedes screw type

F05B 2240/244

. . .

of the cross-flow, e.g. Banki, Ossberger type

F05B 2240/30

. .

Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor

F05B 2240/301

. . .

Cross-section characteristics

F05B 2240/302

. . .

Segmented or sectional blades

F05B 2240/31

. . .

of changeable form or shape

F05B 2240/311

. . . .

flexible or elastic

F05B 2240/312

. . . .

capable of being reefed

F05B 2240/3121

. . . . .

around an axis orthogonal to rotor rotational axis

F05B 2240/313

. . . .

with adjustable flow intercepting area (F05B 2240/312 takes precedence)

F05B 2240/32

. . .

with roughened surfaces

F05B 2240/33

. .

Shrouds which are part of or which are rotating with the rotor

F05B 2240/34

. .

with auxiliary or secondary rotors attached to blades of main rotor

F05B 2240/35

Combustors or associated equipment

F05B 2240/36

. .

Fuel vaporizer

F05B 2240/40

Use of a multiplicity of similar components

F05B 2240/50

Bearings

F05B 2240/51

. .

magnetic

F05B 2240/511

. . .

with permanent magnets

F05B 2240/515

. . .

electromagnetic

F05B 2240/52

. .

Axial thrust bearings

F05B 2240/53

. .

Hydrodynamic or hydrostatic bearings

F05B 2240/54

. .

Radial bearings

F05B 2240/57

Seals

F05B 2240/571

. .

Brush seals

F05B 2240/572

. .

Leaf seals

F05B 2240/60

Shafts

F05B 2240/61

. .

hollow

F05B 2240/62

. .

flexible

F05B 2240/63

. .

Glands for admission or removal of fluids from shafts

F05B 2240/70

Slinger plates or washers

F05B 2240/80

Platforms for stationary or moving blades

F05B 2240/801

. .

cooled platforms

F05B 2240/90

Mounting on supporting structures or systems

F05B 2240/91

. .

on a stationary structure

F05B 2240/911

. . .

already existing for a prior purpose

F05B 2240/9111

. . . .

which is a chimney

F05B 2240/9112

. . . .

which is a building

F05B 2240/9113

. . . .

which is a roadway, rail track, or the like for recovering energy from moving vehicles

F05B 2240/912

. . .

on a tower

F05B 2240/9121

. . . .

on a lattice tower

F05B 2240/913

. . .

on a mast

F05B 2240/914

. . .

on an inflatable structure

F05B 2240/915

. . .

which is vertically adjustable

F05B 2240/9151

. . . .

telescopically

F05B 2240/9152

. . . .

by being hinged

F05B 2240/91521

. . . . .

at ground level

F05B 2240/916

. . .

with provision for hoisting onto the structure

F05B 2240/917

. . .

attached to cables

F05B 2240/92

. .

on an airborne structure

F05B 2240/921

. . .

kept aloft due to aerodynamic effects

F05B 2240/922

. . .

kept aloft due to buoyancy effects

F05B 2240/923

. . .

which is a vehicle

F05B 2240/93

. .

on a structure floating on a liquid surface

F05B 2240/931

. . .

which is a vehicle

F05B 2240/932

. . .

which is a catamaran-like structure

F05B 2240/94

. .

on a movable wheeled structure

F05B 2240/941

. . .

which is a land vehicle

F05B 2240/95

. .

offshore

F05B 2240/96

. .

as part of a wind farm

F05B 2240/97

. .

on a submerged structure

F05B 2240/98

. .

which is inflatable

F05B 2240/99

characterised by colour or colour patterns

F05B 2250/00

Geometry

NOTE

Geometry indicates the shape or form of a component or the configuration or arrangement of components in a machine or in a plant.

F05B 2250/02

variable

F05B 2250/10

two-dimensional

F05B 2250/11

. .

triangular

F05B 2250/12

. .

rectangular

F05B 2250/121

. . .

square

F05B 2250/13

. .

trapezial

F05B 2250/131

. . .

polygonal

F05B 2250/132

. . .

hexagonal

F05B 2250/14

. .

elliptical

F05B 2250/141

. . .

circular

F05B 2250/15

. .

spiral

F05B 2250/16

. .

parabolic

F05B 2250/17

. .

hyperbolic

F05B 2250/18

. .

patterned

F05B 2250/181

. . .

ridged

F05B 2250/182

. . .

crenellated, notched

F05B 2250/183

. . .

zigzag

F05B 2250/184

. . .

sinusoidal

F05B 2250/19

. .

machined; miscellaneous

F05B 2250/191

. . .

perforated

F05B 2250/192

. . .

beveled

F05B 2250/193

. . .

milled

F05B 2250/20

three-dimensional

F05B 2250/21

. .

pyramidal

F05B 2250/22

. .

parallelepipedic

F05B 2250/221

. . .

cubic

F05B 2250/23

. .

prismatic

F05B 2250/231

. . .

cylindrical

F05B 2250/232

. . .

conical

F05B 2250/24

. .

ellipsoidal

F05B 2250/241

. . .

spherical

F05B 2250/25

. .

helical

F05B 2250/26

. .

paraboloidal

F05B 2250/27

. .

hyperboloidal

F05B 2250/28

. .

patterned

F05B 2250/281

. . .

threaded

F05B 2250/282

. . .

Cubic pattern

F05B 2250/283

. . .

Honeycomb

F05B 2250/29

. .

machined; miscellaneous

F05B 2250/291

. . .

hollowed

F05B 2250/292

. . .

tapered

F05B 2250/293

. . .

lathed, e.g. rotation symmetrical

F05B 2250/30

Arrangement of components

F05B 2250/31

. .

according to the direction of their main axis or their axis of rotation

F05B 2250/311

. . .

the axes being in line

F05B 2250/312

. . .

the axes being parallel to each other

F05B 2250/313

. . .

the axes being perpendicular to each other

F05B 2250/314

. . .

the axes being inclined in relation to each other

F05B 2250/315

. . .

the main axis being substantially vertical

F05B 2250/32

. .

according to their shape

F05B 2250/321

. . .

asymptotic

F05B 2250/322

. . .

tangential

F05B 2250/323

. . .

convergent

F05B 2250/324

. . .

divergent

F05B 2250/33

. .

symmetrical

F05B 2250/34

. .

translated

F05B 2250/35

. .

rotated

F05B 2250/36

. .

in inner-outer relationship, e.g. shaft-bearing arrangements

F05B 2250/40

Movement of component

F05B 2250/41

. .

with one degree of freedom

F05B 2250/411

. . .

in rotation

F05B 2250/42

. .

with two degrees of freedom

F05B 2250/43

. .

with three degrees of freedom

F05B 2250/50

Inlet or outlet

F05B 2250/501

. .

Inlet

F05B 2250/5011

. . .

augmenting, i.e. with intercepting fluid flow cross sectional area greater than the rest of the machine behind the inlet

F05B 2250/5012

. . .

concentrating only, i.e. with intercepting fluid flow cross sectional area not greater than the rest of the machine behind the inlet

F05B 2250/502

. .

Outlet

F05B 2250/503

. .

of regenerative pumps

F05B 2250/60

Structure; Surface texture

F05B 2250/61

. .

corrugated

F05B 2250/611

. . .

undulated

F05B 2250/62

. .

smooth

F05B 2250/621

. . .

polished

F05B 2250/70

Shape

F05B 2250/71

. .

curved

F05B 2250/711

. . .

convex

F05B 2250/712

. . .

concave

F05B 2250/713

. . .

inflexed

F05B 2250/72

. .

symmetric

F05B 2250/73

. .

asymmetric

F05B 2250/80

Size or power range of the machines

F05B 2250/82

. .

Micromachines

F05B 2250/84

. .

Nanomachines (Nanotechnology for interacting, sensing or actuating Y01N8/00)

F05B 2250/86

. .

Megamachines

F05B 2260/00

Function

F05B 2260/02

Transport, e.g. specific adaptations or devices for conveyance (transport of wind turbines or equipments therefore F03D 1/005)

F05B 2260/10

Particular cycles

F05B 2260/20

Heat transfer, e.g. cooling

F05B 2260/201

. .

by impingement of a fluid

F05B 2260/202

. .

by film cooling

F05B 2260/203

. .

by transpiration cooling

F05B 2260/205

. .

Cooling fluid recirculation, i.e. after having cooled one or more components the cooling fluid is recovered and used elsewhere for other purposes

F05B 2260/207

. .

using a phase changing mass, (e.g. heat absorbing by melting or boiling)

F05B 2260/208

. .

using heat pipes

F05B 2260/209

. .

using vortex tubes

F05B 2260/211

. .

by intercooling, e.g. during a compression cycle

F05B 2260/212

. . .

by water injection

F05B 2260/221

. .

Improvement of heat transfer

F05B 2260/222

. . .

by creating turbulence (vortex generators, turbulators or the like for mixing F05B 2240/122)

F05B 2260/224

. . .

by increasing the heat transfer surface

F05B 2260/2241

. . . .

using fins or ribs

F05B 2260/231

. .

Preventing heat transfer

F05B 2260/232

. .

characterised by the cooling medium

F05B 2260/233

. . .

the medium being steam

F05B 2260/24

. .

for draft enhancement in chimneys, using solar or other heat sources

F05B 2260/30

Retaining components in desired mutual position

F05B 2260/301

. .

Retaining bolts or nuts

F05B 2260/3011

. . .

of the frangible or shear type

F05B 2260/302

. .

by means of magnetic or electromagnetic forces

F05B 2260/303

. .

with a bayonet coupling

F05B 2260/304

. .

Balancing of radial or axial forces on regenerative rotors

F05B 2260/305

. .

Reducing friction between regenerative impeller discs and casing walls

F05B 2260/40

Transmission of power

F05B 2260/402

. .

through friction drives

F05B 2260/4021

. . .

through belt drives

F05B 2260/4022

. . .

through endless chains

F05B 2260/4023

. . .

through a friction clutch

F05B 2260/403

. .

through the shape of the drive components

F05B 2260/4031

. . .

as in toothed gearing

F05B 2260/40311

. . . .

of the epicyclic, planetary or differential type

F05B 2260/404

. .

through magnetic drive coupling

F05B 2260/4041

. . .

the driven magnets encircling the driver magnets

F05B 2260/406

. .

through hydraulic systems

F05B 2260/407

. .

through piezoelectric conversion

F05B 2260/408

. .

through magnetohydrodynamic conversion

F05B 2260/42

Storage of energy

F05B 2260/421

. .

in the form of rotational kinetic energy , e.g. in flywheels

F05B 2260/50

Kinematic linkage, i.e. transmission of position

F05B 2260/502

. .

involving springs

F05B 2260/503

. .

using gears

F05B 2260/5032

. . .

of the bevel or angled type

F05B 2260/504

. .

using flat or V-belts and pulleys

F05B 2260/505

. .

using chains and sprockets; using toothed belts

F05B 2260/506

. .

using cams or eccentrics

F05B 2260/507

. .

using servos, independent actuators, etc.

F05B 2260/60

Fluid transfer

F05B 2260/601

. .

using an ejector or a jet pump

F05B 2260/602

. .

Drainage

F05B 2260/603

. . .

of leakage having past a seal (seals F05B 2240/57; glands F05B 2240/63)

F05B 2260/604

. .

Vortex non-clogging type pumps

F05B 2260/63

. .

Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles

F05B 2260/64

. .

Aeration, ventilation, dehumidification or moisture removal of closed spaces

F05B 2260/70

Adjusting of angle of incidence or attack of rotating blades

F05B 2260/71

. .

as a function of flow velocity

F05B 2260/72

. .

by turning around an axis parallel to the rotor centre line

F05B 2260/74

. .

by turning around an axis perpendicular the rotor centre line

F05B 2260/75

. .

the adjusting mechanism not using auxiliary power sources ("servos")

F05B 2260/76

. .

the adjusting mechanism using auxiliary power sources

F05B 2260/77

. .

the adjusting mechanism driven or triggered by centrifugal forces

F05B 2260/78

. .

the adjusting mechanism driven or triggered by aerodynamic forces

F05B 2260/79

. .

Bearing, support or actuation arrangements therefor

F05B 2260/80

Diagnostics

F05B 2260/82

Forecasts

F05B 2260/821

. .

Parameter estimation or prediction

F05B 2260/8211

. . .

of the weather

F05B 2260/83

Testing, e.g. methods, components or tools therefor

F05B 2260/84

Modeling or simulation

F05B 2260/845

Redundancy

F05B 2260/85

Starting

F05B 2260/90

Braking

F05B 2260/901

. .

using aerodynamic forces, i.e. lift or drag

F05B 2260/9011

. . .

of the tips of rotor blades

F05B 2260/902

. .

using frictional mechanical forces

F05B 2260/903

. .

using electrical or magnetic forces

F05B 2260/904

. .

using hydrodynamic forces

F05B 2260/95

Preventing corrosion (coating or surface treatment F05B 2230/90)

F05B 2260/96

Preventing, counteracting or reducing vibration or noise

F05B 2260/962

. .

my means creating "anti-noise"

F05B 2260/964

. .

by damping means

F05B 2260/966

. .

by correcting static or dynamic imbalance

F05B 2260/97

Reducing windage losses

F05B 2260/972

. .

in radial flow machines

F05B 2260/98

Lubrication

F05B 2260/99

Radar absorption

F05B 2270/00

Control

F05B 2270/10

Purpose of the control system

F05B 2270/101

. .

to control rotational speed (n)

F05B 2270/1011

. . .

to prevent overspeed

F05B 2270/1012

. . .

to prevent underspeed

F05B 2270/1013

. . .

of different spools or shafts

F05B 2270/1014

. . .

to keep rotational speed constant

F05B 2270/1016

. .

in variable speed operation

F05B 2270/102

. .

to control acceleration (u)

F05B 2270/1021

. . .

by keeping it below damagingly high values

F05B 2270/1022

. . .

by making it as high as possible

F05B 2270/103

. .

to affect the output of the engine

F05B 2270/1031

. . .

Thrust

F05B 2270/1032

. . .

Torque

F05B 2270/1033

. . .

Power (if explicitly mentioned)

F05B 2270/104

. .

to match engine to driven device

F05B 2270/1041

. . .

in particular the electrical frequency of driven generator

F05B 2270/105

. .

to improve fuel economy

F05B 2270/1051

. . .

in particular at idling speed

F05B 2270/106

. .

to produce clean exhaust gases

F05B 2270/1061

. . .

with as little smoke as possible

F05B 2270/1062

. . .

with as little NOx`s as possible

F05B 2270/1063

. . .

by monitoring combustion conditions

F05B 2270/1064

. . . .

indirectly, at the exhaust

F05B 2270/107

. .

to cope with emergencies

F05B 2270/1071

. . .

in particular sudden load loss

F05B 2270/10711

. . . .

applying a low voltage ride through method

F05B 2270/1072

. . .

in particular blow-out and relight

F05B 2270/1073

. . .

of one engine in a multi-engine system

F05B 2270/1074

. . .

by using back-up controls

F05B 2270/1075

. . .

by temporary overriding set control limits

F05B 2270/1076

. . .

caused by water or hail ingestion

F05B 2270/108

. .

to cope with, or avoid, compressor flow instabilities

F05B 2270/1081

. . .

Compressor surge or stall

F05B 2270/10812

. . . .

caused by working fluid flow velocity profile distortion

F05B 2270/10815

. . . . .

due to high angle of attack of aircraft

F05B 2270/10817

. . . . .

due to compressor degradation

F05B 2270/109

. .

to prolong engine life

F05B 2270/1091

. . .

by limiting temperatures

F05B 2270/1095

. . .

by limiting mechanical stresses

F05B 2270/1097

. . .

by preventing reverse rotation

F05B 2270/11

. .

to maintain desired vehicle trajectory parameters

F05B 2270/1101

. . .

Altitude

F05B 2270/1102

. . .

Speed or Mach number

F05B 2270/111

. .

to control two or more engines simultaneously

F05B 2270/15

. .

to control thermoacoustic behaviour in the combustion chambers (counteracting noise or vibration F05B 2260/96)

F05B 2270/16

. .

to control water or steam injection

F05B 2270/17

. .

to avoid excessive deflection of the blades

F05B 2270/18

. .

to control buoyancy

F05B 2270/19

. .

to avoid stroboscopic flicker shadow on surroundings

F05B 2270/20

. .

to optimise the performance of a machine

F05B 2270/30

Control parameters, e.g. input parameters

F05B 2270/301

. .

Pressure

F05B 2270/3011

. . .

Inlet

F05B 2270/3013

. . .

Outlet

F05B 2270/3015

. . .

differential

F05B 2270/303

. .

Temperature

F05B 2270/3032

. . .

excessive temperatures, e.g. caused by overheating

F05B 2270/304

. .

Spool rotational speed

F05B 2270/305

. .

Tolerances

F05B 2270/309

. .

Rate of change of parameters

F05B 2270/31

. .

Fuel schedule for stage combustors

F05B 2270/32

. .

Wind speeds

F05B 2270/3201

. . .

"cut-off" or "shut-down" wind speed

F05B 2270/321

. .

Wind directions

F05B 2270/322

. .

the detection or prediction of a wind gust

F05B 2270/323

. .

Air humidity

F05B 2270/324

. .

Air pressure

F05B 2270/325

. .

Air temperature

F05B 2270/326

. .

Rotor angle

F05B 2270/327

. .

Rotor or generator speeds

F05B 2270/328

. .

Blade pitch angle

F05B 2270/329

. .

Azimuth or yaw angle

F05B 2270/33

. .

Proximity of blade to tower

F05B 2270/331

. .

Mechanical loads

F05B 2270/332

. .

Maximum loads or fatigue criteria

F05B 2270/333

. .

Noise or sound levels

F05B 2270/334

. .

Vibration measurements

F05B 2270/335

. .

Output power or torque

F05B 2270/336

. .

Blade lift measurements

F05B 2270/337

. .

Electrical grid status parameters, e.g. voltage, frequency or power demand

F05B 2270/40

Type of control system

F05B 2270/402

. .

passive or reactive, e.g. using large wind vanes

F05B 2270/404

. .

active, predictive, or anticipative

F05B 2270/50

Control logic embodiment by

F05B 2270/502

. .

electrical means, e.g. relays or switches

F05B 2270/504

. .

electronic means, e.g. electronic tubes, transistors or IC`s within an electronic circuit

F05B 2270/506

. .

hydraulic means, e.g. hydraulic valves within a hydraulic circuit

F05B 2270/508

. .

mechanical means, e.g. levers, gears or cams

F05B 2270/60

Control system actuates through

F05B 2270/602

. .

electrical actuators

F05B 2270/604

. .

hydraulic actuators

F05B 2270/605

. .

Pneumatic actuators

F05B 2270/606

. .

mechanical actuators (F05B 2270/602 takes precedence)

F05B 2270/70

Type of control algorithm

F05B 2270/701

. .

proportional

F05B 2270/702

. .

differential

F05B 2270/703

. .

integral

F05B 2270/704

. .

proportional-differential

F05B 2270/705

. .

proportional-integral

F05B 2270/706

. .

proportional-integral-differential

F05B 2270/707

. .

fuzzy logic

F05B 2270/708

. .

with comparison tables

F05B 2270/709

. .

with neural networks

F05B 2270/80

Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges

F05B 2270/802

. .

Calibration thereof

F05B 2270/803

. .

Sampling thereof

F05B 2270/804

. .

Optical devices

F05B 2270/8041

. . .

Cameras

F05B 2270/8042

. . .

Lidar systems

F05B 2270/805

. .

Radars

F05B 2270/806

. .

Sonars

F05B 2270/807

. .

Accelerometers

F05B 2270/808

. .

Strain gauges; Load cells

F05B 2270/809

. .

Encoders

F05B 2270/81

. .

Microphones

F05B 2270/821

. .

Displacement measuring means, e.g. inductive

F05B 2280/00

Materials; Properties thereof

F05B 2280/10

Inorganic materials, e.g. metals

F05B 2280/101

. .

Iron

F05B 2280/1011

. .

Cast iron

F05B 2280/102

. .

Light metals

F05B 2280/1021

. . .

Aluminium

F05B 2280/1022

. . .

Beryllium

F05B 2280/1023

. . .

Boron

F05B 2280/1024

. . .

Lithium

F05B 2280/1025

. . .

Magnesium

F05B 2280/103

. .

Heavy metals

F05B 2280/10301

. . .

Refractory metals, e.g. V, W

F05B 2280/10302

. . .

Chromium

F05B 2280/10303

. . .

Molybdenum

F05B 2280/10304

. . .

Titanium

F05B 2280/10305

. . .

Zirconium

F05B 2280/10306

. . .

Hafnium

F05B 2280/10307

. . .

Manganese

F05B 2280/10308

. . .

Lead

F05B 2280/10309

. . .

Tin

F05B 2280/1031

. . .

Zinc

F05B 2280/10311

. . .

Mercury

F05B 2280/104

. .

Noble metals

F05B 2280/1041

. . .

Silver

F05B 2280/1042

. . .

Gold

F05B 2280/1043

. . .

Platinum group, e.g. Pt, Ir

F05B 2280/1044

. . .

Palladium

F05B 2280/1045

. . .

Ruthenium

F05B 2280/1046

. . .

Osmium

F05B 2280/1047

. . .

Iridium

F05B 2280/1048

. . .

Rhodium

F05B 2280/105

. .

Copper

F05B 2280/106

. .

Rare earth metals, e.g. Sc, Y

F05B 2280/107

. .

Alloys

F05B 2280/1071

. . .

Steel alloys

F05B 2280/1072

. .

Copper alloys

F05B 2280/10721

. . .

Bronze

F05B 2280/10722

. . .

Phosphor-bronze alloy

F05B 2280/10723

. . .

Nickel-Copper alloy, e.g. monel

F05B 2280/1073

. .

Aluminium alloy, e.g. AlCuMgPb

F05B 2280/1074

. .

Alloys not otherwise provided for

F05B 2280/10741

. . .

Superalloys

F05B 2280/10742

. . .

Heat stable alloys

F05B 2280/10743

. . .

Ni - Si alloys

F05B 2280/10744

. . .

Metal-aluminide intermetalllic compounds

F05B 2280/20

Inorganic materials, e.g. non-metallic materials

F05B 2280/2001

. .

Glass

F05B 2280/20011

. . .

MIBA

F05B 2280/20012

. . .

Quartz

F05B 2280/2002

. .

Phosphor

F05B 2280/2003

. .

Silicon

F05B 2280/2004

. .

Ceramics; Oxides

F05B 2280/20041

. . .

Aluminium oxides

F05B 2280/20042

. . .

Zinc oxides

F05B 2280/20043

. . .

Zirconium oxides

F05B 2280/2005

. .

Non-oxide ceramics

F05B 2280/2006

. .

Carbon, e.g. graphite

F05B 2280/2007

. .

Carbides

F05B 2280/20071

. . .

of silicon

F05B 2280/20072

. . .

of titanium, e.g. TiB

F05B 2280/20073

. . .

of wolfram, e.g. tungsten carbide

F05B 2280/2008

. .

Nitrides

F05B 2280/20081

. . .

of aluminium

F05B 2280/20082

. . .

of boron

F05B 2280/20083

. . .

of silicon

F05B 2280/20084

. . .

of titanium

F05B 2280/20085

. . .

of zirconium

F05B 2280/2009

. .

Sulfides

F05B 2280/20091

. . .

of molybdenum

F05B 2280/201

. .

Sapphire

F05B 2280/2011

. .

Aluminium titanate

F05B 2280/2013

. .

Silica

F05B 2280/2014

. .

Arsenic

F05B 2280/2015

. .

Antimony

F05B 2280/2016

. .

Bismuth

F05B 2280/2017

. .

Barium

F05B 2280/30

Inorganic materials not otherwise provided for

F05B 2280/40

Organic materials

F05B 2280/4001

. .

Leather

F05B 2280/4002

. .

Cellulosic materials, e.g. wood

F05B 2280/4003

. .

Synthetic polymers, e.g. plastics; Rubber

F05B 2280/4004

. .

Rubber

F05B 2280/4005

. .

PTFE (PolyTetraFluorEthylene)

F05B 2280/4006

. .

Polyamides, e.g. NYLON

F05B 2280/4007

. .

Thermoplastics

F05B 2280/4008

. .

Polyamides, e.g. Aurum

F05B 2280/4009

. .

Polyetherketones, e.g. PEEK

F05B 2280/401

. .

Silicon polymers

F05B 2280/4011

. .

Organic materials not otherwise provided for

F05B 2280/50

Intrinsic material properties or characteristics

F05B 2280/5001

. .

Elasticity

F05B 2280/5002

. .

Thermal properties

F05B 2280/5003

. .

Expansivity

F05B 2280/50031

. . .

similar

F05B 2280/50032

. . .

dissimilar

F05B 2280/5004

. .

Heat transfer

F05B 2280/5005

. .

Reflective properties

F05B 2280/5006

. .

Shape memory

F05B 2280/5007

. .

Hardness

F05B 2280/5008

. .

Magnetic properties

F05B 2280/5009

. .

non-magnetic

F05B 2280/501

. .

Self lubricating materials; Solid lubricants

F05B 2280/5011

. .

Surface roughness

F05B 2280/60

Properties or characteristics given to material by treatment or manufacturing

F05B 2280/6001

. .

Fabrics

F05B 2280/6002

. . .

Woven fabrics

F05B 2280/6003

. .

Composites; e.g. fibre-reinforced

F05B 2280/6004

. .

amorphous

F05B 2280/6005

. .

crystalline

F05B 2280/6006

. .

Directionally-solidified crystalline structures

F05B 2280/6007

. .

monocrystalline

F05B 2280/6008

. .

Structures

F05B 2280/6009

. .

Grain size

F05B 2280/601

. .

Syntactic

F05B 2280/6011

. .

Coating

F05B 2280/6012

. .

Foam

F05B 2280/6013

. .

Fibres

F05B 2280/6014

. .

Filler

F05B 2280/6015

. .

Resin

F05B 2280/70

Treatments or modification of materials

F05B 2280/701

. .

Heat treatments

F05B 2280/702

. .

Reinforcements