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R:
 R05:
  R05B: 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 [M1207]
   R05B200/00: Mathematical features
   R05B200/10: Basic functions
   R05B200/11: . . Sum
   R05B200/12: . . Substraction
   R05B200/13: . . Product
   R05B200/14: . . Division
   R05B200/15: . . Inverse
   R05B200/20: Special functions
   R05B200/21: . . Root
   R05B200/211: . . . Square root
   R05B200/212: . . . Cubic root
   R05B200/22: . . Power
   R05B200/221: . . . Square power
   R05B200/222: . . . Cubic power
   R05B200/23: . . Logarithm
   R05B200/24: . . exponential
   R05B200/25: . . Hyperbolic trigonemetric, e.g. sinh, cosh, tanh
   R05B200/26: . . trigonometric
   R05B200/261: . . . Sine
   R05B200/262: . . . Cosine
   R05B200/263: . . . Tangent
   R05B200/264: . . . Cotangent
   R05B200/30: miscellaneous
   R05B200/31: . . odd
   R05B200/32: . . even
   R05B200/33: . . bigger/smaller
   R05B200/34: . . biggest/smallest
   R05B200/35: . . first
   R05B200/36: . . last
   R05B210/00: Working fluid
   R05B210/15: . . declared not limiting for the working of the apparatus driving or driven by it
   R05B210/10: Kind or type
   R05B210/11: . . liquid, i.e. incompressible
   R05B210/12: . . gaseous, i.e. compressible
   R05B210/13: . . mixed, e.g. two-phase fluid
   R05B210/132: . . . Pumps with means for separating and evacuating the gaseous phase
   R05B210/14: . . Refrigerants with particular properties, e.g. HFC- 134a
   R05B210/151: . . . when air or water can be indistinctly in use.
   R05B210/152: . . . when air and water are simultaneously in use
   R05B210/16: Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
   R05B210/18: Air and water being simultaneously used as working fluid
   R05B210/20: Properties
   R05B210/30: Flow characteristics
   R05B210/301: . . with Mach-number kept constant along the flow
   R05B210/302: . . Pressure kept constant along the flow
   R05B210/40: Flow geometry or direction
   R05B210/401: . . upwards due to the buoancy of compressed air
   R05B210/402: . . Axial inlet and radial outlet
   R05B210/403: . . Radial inlet and axial outlet
   R05B210/404: . . bidirectional, i.e. in opposite, alternating directions
   R05B220/00: Application
   R05B220/10: in ram-jet engines or ram-jet driven vehicles
   R05B220/20: within closed fluid conduits, e.g. pipes
   R05B220/25: as advertisement
   R05B220/30: in turbines
   R05B220/301: . . in steam turbines
   R05B220/302: . . in gas turbines
   R05B220/3021: . . . for a special turbine stage
   R05B220/3022: . . . . the first stage of a turbine
   R05B220/3023: . . . . an intermediate stage of the turbine
   R05B220/3025: . . . . the last stage of the turbine
   R05B220/303: . . . for aircraft propulsion, e.g. jet engines
   R05B220/304: . . . to drive unshrouded, low solidity propeller
   R05B220/305: . . . to drive unshrouded, high solidity propeller
   R05B220/306: . . . to drive shrouded, low solidity propeller
   R05B220/307: . . . to drive shrouded, high solidity propeller
   R05B220/308: . . . providing direct vertical lift
   R05B220/309: . . . in a helicopter
   R05B220/31: . . in ram-air turbines ("RATS")
   R05B220/32: . . in water turbines
   R05B220/33: . . specially adapted for the fan of turbofan engines
   R05B220/40: in turbochargers
   R05B220/50: for auxiliary power units (APU's)
   R05B220/60: making use of surplus or waste energy
   R05B220/602: . . with energy recovery turbines
   R05B220/604: . . for domestic central heating or production of electricity
   R05B220/61: for hydrogen and/or oxygen production
   R05B220/62: for desalination
   R05B220/64: for aeration
   R05B220/70: in combination with
   R05B220/702: . . a steam turbine
   R05B220/704: . . a gas turbine
   R05B220/706: . . an electrical generator
   R05B220/7062: . . . of the direct current (D.C.) type
   R05B220/7064: . . . of the alternating current (A.C.) type
   R05B220/70642: . . . . of the synchronous type
   R05B220/70644: . . . . of the asynchronous type, i.e. induction type
   R05B220/70646: . . . . . Double fed induction generators (DFIGs)
   R05B220/7066: . . . via a direct connection, i.e. a gearless transmission
   R05B220/7068: . . . equipped with permanent magnets
   R05B220/7070: . . . of the linear type
   R05B220/708: . . Photoelectric means, i.e. photovoltaic or solar cells
   R05B220/709: . . Piezoelectric means
   R05B220/80: in supersonic vehicles excluding hypersonic vehicles or ram, scram or rocket propulsion
   R05B220/90: in vehicles adapted for vertical or short take off and landing ,
   R05B230/00: Manufacture
   R05B230/10: by removing material
   R05B230/101: . . by electrochemical methods
   R05B230/102: . . by spark erosion methods
   R05B230/103: . . using lasers
   R05B230/104: Micromachining
   R05B230/20: essentially without removing material
   R05B230/21: . . by casting
   R05B230/211: . . . by precision casting, e.g. microfusing or investment casting
   R05B230/22: . . by sintering
   R05B230/23: . . by permanently joining parts together
   R05B230/232: . . . by welding
   R05B230/233: . . . . Electron beam welding
   R05B230/234: . . . . Laser welding
   R05B230/235: . . . . Tig/Mig welding
   R05B230/236: . . . . Diffusion bonding
   R05B230/237: . . . . Brazing
   R05B230/238: . . . . Soldering
   R05B230/239: . . . . Inertia or friction welding
   R05B230/24: . . by extrusion
   R05B230/25: . . by forging
   R05B230/26: . . by rolling
   R05B230/30: with deposition of material
   R05B230/31: . . Layer deposition
   R05B230/311: . . . by torch or flame spray
   R05B230/312: . . . by plasma spray
   R05B230/313: . . . by physical vapour deposition
   R05B230/314: . . . by chemical vapour deposition
   R05B230/40: Heat treatment
   R05B230/41: . . Hardening; Annealing
   R05B230/50: Building or constructing in particular ways
   R05B230/502: . . using existing or "off the shelf" parts, e.g. using standardised turbocharger elements
   R05B230/60: Assembly methods
   R05B230/601: . . using limited numbers of standard modules which can be adapted by machining
   R05B230/604: . . using positioning or alignment devices for aligning or centering, e.g. pins
   R05B230/606: . . . using maintaining alignment while permitting differential dilatation
   R05B230/608: . . . for adjusting the position or the alignment, e.g. wedges or excenters
   R05B230/610: . . using auxiliary equipment for lifting or holding
   R05B230/6102: . . . carried on a floating platform
   R05B230/70: Disassembly methods
   R05B230/80: Repairing, retrofitting or upgrading methods
   R05B230/90: Coating; Surface treatment
   R05B240/00: Components
   R05B240/10: Stators
   R05B240/11: . . Shroud seal segments
   R05B240/12: . . Fluid guiding means, e.g. vanes
   R05B240/121: . . . Baffles or ribs
   R05B240/122: . . . Vortex generators, turbulators, or the like, for mixing
   R05B240/123: . . . Nozzles
   R05B240/1231: . . . . Plug nozzles
   R05B240/124: . . . Cascades, i.e. assemblies of similar profiles acting in parallel
   R05B240/13: . . to collect or cause flow towards or away from turbines
   R05B240/131: . . . by means of vertical structures, i.e. chimneys
   R05B240/132: . . . creating a vortex or tornado effect
   R05B240/133: . . . with a convergent-divergent guiding structure, e.g. a Venturi conduit
   R05B240/14: . . Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies within
   R05B240/142: . . . in the form of a standard ISO container
   R05B240/20: Rotors
   R05B240/201: . . using the Magnus-effect
   R05B240/202: . . with adjustable area of intercepted fluid
   R05B240/2021: . . . by means of telescoping blades
   R05B240/2022: . . . by means of tethering or coning blades
   R05B240/2023: . . . by means of radially reefing blades
   R05B240/21: . . for wind turbines
   R05B240/211: . . . with vertical axis
   R05B240/212: . . . . of the Darrieus type
   R05B240/213: . . . . of the Savonieus type
   R05B240/214: . . . . of the Musgrove or "H"-type
   R05B240/215: . . . . of the panemone or "vehicle ventilator" type
   R05B240/216: . . . . of the anemometer type
   R05B240/217: . . . . of the crossflow- or "Banki"- or "double action" type
   R05B240/218: . . . . with horizontally hinged vanes
   R05B240/221: . . . with horizontal axis
   R05B240/2211: . . . . of the multibladed, low speed, e.g. "American farm" type
   R05B240/2212: . . . . perpendicular to wind direction
   R05B240/2213: . . . . and with the rotor downwind from the yaw pivot axis
   R05B240/231: . . . driven by aerodynamic lift effects
   R05B240/232: . . . . driven by drag
   R05B240/24: . . for turbines
   R05B240/241: . . . of impulse type
   R05B240/2411: . . . . Pelton type
   R05B240/242: . . . of reaction type
   R05B240/243: . . . of the Archimedes screw type
   R05B240/244: . . . of the cross-flow, e.g. Banki, Ossberger type
   R05B240/30: . . Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
   R05B240/301: . . . Cross-section characteristics
   R05B240/302: . . . Segmented or sectional blades
   R05B240/31: . . . of changeable form or shape
   R05B240/311: . . . . flexible or elastic
   R05B240/312: . . . . capable of being reefed
   R05B240/3121: . . . . . around an axis orthogonal to rotor rotational axis
   R05B240/313: . . . . with adjustable flow intercepting area
   R05B240/32: . . . with roughened surfaces
   R05B240/33: . . Shrouds which are part of or which are rotating with the rotor
   R05B240/34: . . with auxiliary or secondary rotors attached to blades of main rotor
   R05B240/35: Combustors or associated equipment
   R05B240/36: . . Fuel vaporizer
   R05B240/40: Use of a multiplicity of similar components
   R05B240/50: Bearings
   R05B240/51: . . magnetic
   R05B240/511: . . . with permanent magnets
   R05B240/515: . . . electromagnetic
   R05B240/52: . . Axial thrust bearings
   R05B240/53: . . Hydrodynamic or hydrostatic bearings
   R05B240/54: . . Radial bearings
   R05B240/57: Seals
   R05B240/571: . . Brush seals
   R05B240/572: . . Leaf seals
   R05B240/60: Shafts
   R05B240/61: . . hollow
   R05B240/62: . . flexible
   R05B240/63: . . Glands for admission or removal of fluids from shafts
   R05B240/70: Slinger plates or washers
   R05B240/80: Platforms for stationary or moving blades
   R05B240/801: . . cooled platforms
   R05B240/90: Mounting on supporting structures or systems
   R05B240/91: . . on a stationary structure
   R05B240/911: . . . already existing for a prior purpose
   R05B240/9111: . . . . which is a chimney
   R05B240/9112: . . . . which is a building
   R05B240/9113: . . . . which is a roadway, rail track, or the like for recovering energy from moving vehicles
   R05B240/912: . . . on a tower
   R05B240/9121: . . . . on a lattice tower
   R05B240/913: . . . on a mast
   R05B240/914: . . . on an inflatable structure
   R05B240/915: . . . which is vertically adjustable
   R05B240/9151: . . . . telescopically
   R05B240/9152: . . . . by being hinged
   R05B240/91521: . . . . . at ground level
   R05B240/916: . . . with provision for hoisting onto the structure
   R05B240/917: . . . attached to cables
   R05B240/92: . . on an airborne structure
   R05B240/921: . . . kept aloft due to aerodynamic effects
   R05B240/922: . . . kept aloft due to buoyancy effects
   R05B240/923: . . . which is a vehicle
   R05B240/93: . . on a structure floating on a liquid surface
   R05B240/931: . . . which is a vehicle
   R05B240/932: . . . which is a catamaran-like structure
   R05B240/94: . . on a movable wheeled structure
   R05B240/941: . . . which is a land vehicle
   R05B240/95: . . offshore
   R05B240/96: . . as part of a wind farm
   R05B240/97: . . on a submerged structure
   R05B240/98: . . which is inflatable
   R05B240/99: characterised by colour or colour patterns
   R05B250/00: Geometry
   R05B250/02: variable
   R05B250/10: two-dimensional
   R05B250/11: . . triangular
   R05B250/12: . . rectangular
   R05B250/121: . . . square
   R05B250/13: . . trapezial
   R05B250/131: . . . polygonal
   R05B250/132: . . . hexagonal
   R05B250/14: . . elliptical
   R05B250/141: . . . circular
   R05B250/15: . . spiral
   R05B250/16: . . parabolic
   R05B250/17: . . hyperbolic
   R05B250/18: . . patterned
   R05B250/181: . . . ridged
   R05B250/182: . . . crenellated, notched
   R05B250/183: . . . zigzag
   R05B250/184: . . . sinusoidal
   R05B250/19: . . machined; miscellaneous
   R05B250/191: . . . perforated
   R05B250/192: . . . beveled
   R05B250/193: . . . milled
   R05B250/20: three-dimensional
   R05B250/21: . . pyramidal
   R05B250/22: . . parallelepipedic
   R05B250/221: . . . cubic
   R05B250/23: . . prismatic
   R05B250/231: . . . cylindrical
   R05B250/232: . . . conical
   R05B250/24: . . ellipsoidal
   R05B250/241: . . . spherical
   R05B250/25: . . helical
   R05B250/26: . . paraboloidal
   R05B250/27: . . hyperboloidal
   R05B250/28: . . patterned
   R05B250/281: . . . threaded
   R05B250/282: . . . Cubic pattern
   R05B250/283: . . . Honeycomb
   R05B250/29: . . machined; miscellaneous
   R05B250/291: . . . hollowed
   R05B250/292: . . . tapered
   R05B250/293: . . . lathed, e.g. rotation symmetrical
   R05B250/30: Arrangement of components
   R05B250/31: . . according to the direction of their main axis or their axis of rotation
   R05B250/311: . . . the axes being in line
   R05B250/312: . . . the axes being parallel to each other
   R05B250/313: . . . the axes being perpendicular to each other
   R05B250/314: . . . the axes being inclined in relation to each other
   R05B250/315: . . . the main axis being substantially vertical
   R05B250/32: . . according to their shape
   R05B250/321: . . . asymptotic
   R05B250/322: . . . tangential
   R05B250/323: . . . convergent
   R05B250/324: . . . divergent
   R05B250/33: . . symmetrical
   R05B250/34: . . translated
   R05B250/35: . . rotated
   R05B250/36: . . in inner-outer relationship, e.g. shaft-bearing arrangements
   R05B250/40: Movement of component
   R05B250/41: . . with one degree of freedom
   R05B250/411: . . . in rotation
   R05B250/42: . . with two degrees of freedom
   R05B250/43: . . with three degrees of freedom
   R05B250/50: Inlet or outlet
   R05B250/501: . . Inlet
   R05B250/5011: . . . augmenting, i.e. with intercepting fluid flow cross sectional area greater than the rest of the machine behind the inlet
   R05B250/5012: . . . concentrating only, i.e. with intercepting fluid flow cross sectional area not greater than the rest of the machine behind the inlet
   R05B250/502: . . Outlet
   R05B250/503: . . of regenerative pumps
   R05B250/60: Structure; Surface texture
   R05B250/61: . . corrugated
   R05B250/611: . . . undulated
   R05B250/62: . . smooth
   R05B250/621: . . . polished
   R05B250/70: Shape
   R05B250/71: . . curved
   R05B250/711: . . . convex
   R05B250/712: . . . concave
   R05B250/713: . . . inflexed
   R05B250/72: . . symmetric
   R05B250/73: . . asymmetric
   R05B250/80: Size or power range of the machines
   R05B250/82: . . Micromachines
   R05B250/84: . . Nanomachines (Nanotechnology for interacting, sensing or actuating Y01N8/00)
   R05B250/86: . . Megamachines
   R05B260/00: Function
   R05B260/02: Transport, e.g. specific adaptations or devices for conveyance (transport of wind turbines or equipments therefore F03D1/00D)
   R05B260/10: Particular cycles
   R05B260/20: Heat transfer, e.g. cooling
   R05B260/201: . . by impingement of a fluid
   R05B260/202: . . by film cooling
   R05B260/203: . . by transpiration cooling
   R05B260/205: . . Cooling fluid recirculation, i.e. after having cooled one or more components the cooling fluid is recovered and used elsewhere for other purposes
   R05B260/207: . . using a phase changing mass,
   R05B260/208: . . using heat pipes
   R05B260/209: . . using vortex tubes
   R05B260/211: . . by intercooling, e.g. during a compression cycle
   R05B260/212: . . . by water injection
   R05B260/221: . . Improvement of heat transfer
   R05B260/222: . . . by creating turbulence
   R05B260/224: . . . by increasing the heat transfer surface
   R05B260/2241: . . . . using fins or ribs
   R05B260/231: . . Preventing heat transfer
   R05B260/232: . . characterised by the cooling medium
   R05B260/233: . . . the medium being steam
   R05B260/240: . . for draft enhancement in chimneys, using solar or other heat sources
   R05B260/30: Retaining components in desired mutual position
   R05B260/301: . . Retaining bolts or nuts
   R05B260/3011: . . . of the frangible or shear type
   R05B260/302: . . by means of magnetic or electromagnetic forces
   R05B260/303: . . with a bayonet coupling
   R05B260/304: . . Balancing of radial or axial forces on regenerative rotors
   R05B260/305: . . Reducing friction between regenerative impeller discs and casing walls
   R05B260/40: Transmission of power
   R05B260/402: . . through friction drives
   R05B260/4021: . . . through belt drives
   R05B260/4022: . . . through endless chains
   R05B260/4023: . . . through a friction clutch
   R05B260/403: . . through the shape of the drive components
   R05B260/4031: . . . as in toothed gearing
   R05B260/40311: . . . . of the epicyclic, planetary or differential type
   R05B260/404: . . through magnetic drive coupling
   R05B260/4041: . . . the driven magnets encircling the driver magnets
   R05B260/406: . . through hydraulic systems
   R05B260/407: . . through piezoelectric conversion
   R05B260/408: . . through magnetohydrodynamic conversion
   R05B260/42: Storage of energy
   R05B260/421: . . in the form of rotational kinetic energy , e.g. in flywheels
   R05B260/50: Kinematic linkage, i.e. transmission of position
   R05B260/502: . . involving springs
   R05B260/503: . . using gears
   R05B260/5032: . . . of the bevel or angled type
   R05B260/504: . . using flat or V-belts and pulleys
   R05B260/505: . . using chains and sprockets; using toothed belts
   R05B260/506: . . using cams or eccentrics
   R05B260/507: . . using servos, independent actuators, etc.
   R05B260/60: Fluid transfer
   R05B260/601: . . using an ejector or a jet pump
   R05B260/602: . . Drainage
   R05B260/603: . . . of leakage having past a seal
   R05B260/604: . . Vortex non-clogging type pumps
   R05B260/63: . . Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
   R05B260/64: . . Aeration, ventilation, dehumidification or moisture removal of closed spaces
   R05B260/70: Adjusting of angle of incidence or attack of rotating blades
   R05B260/71: . . as a function of flow velocity
   R05B260/72: . . by turning around an axis parallel to the rotor centre line
   R05B260/74: . . by turning around an axis perpendicular the rotor centre line
   R05B260/75: . . the adjusting mechanism not using auxiliary power sources ("servos")
   R05B260/76: . . the adjusting mechanism using auxiliary power sources
   R05B260/77: . . the adjusting mechanism driven or triggered by centrifugal forces
   R05B260/78: . . the adjusting mechanism driven or triggered by aerodynamic forces
   R05B260/79: . . Bearing, support or actuation arrangements therefor
   R05B260/80: Diagnostics
   R05B260/82: Forecasts
   R05B260/821: . . Parameter estimation or prediction
   R05B260/8211: . . . of the weather
   R05B260/822: . . of the impending occurrence of wind gusts
   R05B260/83: Testing, e.g. methods, components or tools therefor
   R05B260/84: Modeling or simulation
   R05B260/845: Redundancy
   R05B260/85: Starting
   R05B260/90: Braking
   R05B260/901: . . using aerodynamic forces, i.e. lift or drag
   R05B260/9011: . . . of the tips of rotor blades
   R05B260/902: . . using frictional mechanical forces
   R05B260/903: . . using electrical or magnetic forces
   R05B260/904: . . using hydrodynamic forces
   R05B260/95: Preventing corrosion
   R05B260/96: Preventing, counteracting or reducing vibration or noise
   R05B260/962: . . my means creating "anti-noise"
   R05B260/964: . . by damping means
   R05B260/966: . . by correcting static or dynamic imbalance
   R05B260/97: Reducing windage losses
   R05B260/972: . . in radial flow machines
   R05B260/98: Lubrication
   R05B260/99: Radar absorption
   R05B270/00: Control
   R05B270/10: Purpose of the control system
   R05B270/101: . . to control rotational speed (n)
   R05B270/1011: . . . to prevent overspeed
   R05B270/1012: . . . to prevent underspeed
   R05B270/1013: . . . of different spools or shafts
   R05B270/1014: . . . to keep rotational speed constant
   R05B270/1016: . . in variable speed operation
   R05B270/102: . . to control acceleration (u)
   R05B270/1021: . . . by keeping it below damagingly high values
   R05B270/1022: . . . by making it as high as possible
   R05B270/103: . . to affect the output of the engine
   R05B270/1031: . . . Thrust
   R05B270/1032: . . . Torque
   R05B270/1033: . . . Power (if explicitly mentioned)
   R05B270/104: . . to match engine to driven device
   R05B270/1041: . . . in particular the electrical frequency of driven generator
   R05B270/105: . . to improve fuel economy
   R05B270/1051: . . . in particular at idling speed
   R05B270/106: . . to produce clean exhaust gases
   R05B270/1061: . . . with as little smoke as possible
   R05B270/1062: . . . with as little NOx`s as possible
   R05B270/1063: . . . by monitoring combustion conditions
   R05B270/1064: . . . . indirectly, at the exhaust
   R05B270/107: . . to cope with emergencies
   R05B270/1071: . . . in particular sudden load loss
   R05B270/10711: . . . . applying a low voltage ride through method
   R05B270/1072: . . . in particular blow-out and relight
   R05B270/1073: . . . of one engine in a multi-engine system
   R05B270/1074: . . . by using back-up controls
   R05B270/1075: . . . by temporary overriding set control limits
   R05B270/1076: . . . caused by water or hail ingestion
   R05B270/108: . . to cope with, or avoid, compressor flow instabilities
   R05B270/1081: . . . Compressor surge or stall
   R05B270/1081B: . . . . caused by working fluid flow velocity profile distortion
   R05B270/1081B2: . . . . . due to high angle of attack of aircraft
   R05B270/1081B4: . . . . . due to compressor degradation
   R05B270/109: . . to prolong engine life
   R05B270/1091: . . . by limiting temperatures
   R05B270/1095: . . . by limiting mechanical stresses
   R05B270/1097: . . . by preventing reverse rotation
   R05B270/11: . . to maintain desired vehicle trajectory parameters
   R05B270/1101: . . . Altitude
   R05B270/1102: . . . Speed or Mach number
   R05B270/111: . . to control two or more engines simultaneously
   R05B270/150: . . to control thermoacoustic behaviour in the combustion chambers
   R05B270/160: . . to control water or steam injection
   R05B270/170: . . to avoid excessive deflection of the blades
   R05B270/180: . . to control buoyancy
   R05B270/190: . . to avoid stroboscopic flicker shadow on surroundings
   R05B270/200: . . to optimise the performance of a machine
   R05B270/30: Control parameters, e.g. input parameters
   R05B270/301: . . Pressure
   R05B270/3011: . . . Inlet
   R05B270/3013: . . . Outlet
   R05B270/3015: . . . differential
   R05B270/303: . . Temperature
   R05B270/3032: . . . excessive temperatures, e.g. caused by overheating
   R05B270/304: . . Spool rotational speed
   R05B270/305: . . Tolerances
   R05B270/309: . . Rate of change of parameters
   R05B270/310: . . Fuel schedule for stage combustors
   R05B270/320: . . Wind speeds
   R05B270/3201: . . . "cut-off" or "shut-down" wind speed
   R05B270/321: . . Wind directions
   R05B270/322: . . the detection or prediction of a wind gust
   R05B270/323: . . Air humidity
   R05B270/324: . . Air pressure
   R05B270/325: . . Air temperature
   R05B270/326: . . Rotor angle
   R05B270/327: . . Rotor or generator speeds
   R05B270/328: . . Blade pitch angle
   R05B270/329: . . Azimuth or yaw angle
   R05B270/330: . . Proximity of blade to tower
   R05B270/331: . . Mechanical loads
   R05B270/332: . . Maximum loads or fatigue criteria
   R05B270/333: . . Noise or sound levels
   R05B270/334: . . Vibration measurements
   R05B270/335: . . Output power or torque
   R05B270/336: . . Blade lift measurements
   R05B270/337: . . Electrical grid status parameters, e.g. voltage, frequency or power demand
   R05B270/40: Type of control system
   R05B270/402: . . passive or reactive, e.g. using large wind vanes
   R05B270/404: . . active, predictive, or anticipative
   R05B270/50: Control logic embodiment by
   R05B270/502: . . electrical means, e.g. relays or switches
   R05B270/504: . . electronic means, e.g. electronic tubes, transistors or IC`s within an electronic circuit
   R05B270/506: . . hydraulic means, e.g. hydraulic valves within a hydraulic circuit
   R05B270/508: . . mechanical means, e.g. levers, gears or cams
   R05B270/60: Control system actuates through
   R05B270/602: . . electrical actuators
   R05B270/604: . . hydraulic actuators
   R05B270/605: . . Pneumatic actuators
   R05B270/606: . . mechanical actuators
   R05B270/70: Type of control algorithm
   R05B270/701: . . proportional
   R05B270/702: . . differential
   R05B270/703: . . integral
   R05B270/704: . . proportional-differential
   R05B270/705: . . proportional-integral
   R05B270/706: . . proportional-integral-differential
   R05B270/707: . . fuzzy logic
   R05B270/708: . . with comparison tables
   R05B270/709: . . with neural networks
   R05B270/80: Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
   R05B270/802: . . Calibration thereof
   R05B270/803: . . Sampling thereof
   R05B270/804: . . Optical devices
   R05B270/8041: . . . Cameras
   R05B270/8042: . . . Lidar systems
   R05B270/805: . . Radars
   R05B270/806: . . Sonars
   R05B270/807: . . Accelerometers
   R05B270/808: . . Strain gauges; Load cells
   R05B270/809: . . Encoders
   R05B270/810: . . Microphones
   R05B270/821: . . Displacement measuring means, e.g. inductive
   R05B280/00: Materials; Properties thereof
   R05B280/10: Inorganic materials, e.g. metals
   R05B280/101: . . Iron
   R05B280/1011: . . Cast iron
   R05B280/102: . . Light metals
   R05B280/1021: . . . Aluminium
   R05B280/1022: . . . Beryllium
   R05B280/1023: . . . Boron
   R05B280/1024: . . . Lithium
   R05B280/1025: . . . Magnesium
   R05B280/103: . . Heavy metals
   R05B280/10301: . . . Refractory metals, e.g. V, W
   R05B280/10302: . . . Chromium
   R05B280/10303: . . . Molybdenum
   R05B280/10304: . . . Titanium
   R05B280/10305: . . . Zirconium
   R05B280/10306: . . . Hafnium
   R05B280/10307: . . . Manganese
   R05B280/10308: . . . Lead
   R05B280/10309: . . . Tin
   R05B280/10310: . . . Zinc
   R05B280/10311: . . . Mercury
   R05B280/104: . . Noble metals
   R05B280/1041: . . . Silver
   R05B280/1042: . . . Gold
   R05B280/1043: . . . Platinum group, e.g. Pt, Ir
   R05B280/1044: . . . Palladium
   R05B280/1045: . . . Ruthenium
   R05B280/1046: . . . Osmium
   R05B280/1047: . . . Iridium
   R05B280/1048: . . . Rhodium
   R05B280/105: . . Copper
   R05B280/106: . . Rare earth metals, e.g. Sc, Y
   R05B280/107: . . Alloys
   R05B280/1071: . . . Steel alloys
   R05B280/1072: . . Copper alloys
   R05B280/10721: . . . Bronze
   R05B280/10722: . . . Phosphor-bronze alloy
   R05B280/10723: . . . Nickel-Copper alloy, e.g. monel
   R05B280/1073: . . Aluminium alloy, e.g. AlCuMgPb
   R05B280/1074: . . Alloys not otherwise provided for
   R05B280/10741: . . . Superalloys
   R05B280/10742: . . . Heat stable alloys
   R05B280/10743: . . . Ni - Si alloys
   R05B280/10744: . . . Metal-aluminide intermetalllic compounds
   R05B280/20: Inorganic materials, e.g. non-metallic materials
   R05B280/2001: . . Glass
   R05B280/20011: . . . MIBA
   R05B280/20012: . . . Quartz
   R05B280/2002: . . Phosphor
   R05B280/2003: . . Silicon
   R05B280/2004: . . Ceramics; Oxides
   R05B280/20041: . . . Aluminium oxides
   R05B280/20042: . . . Zinc oxides
   R05B280/20043: . . . Zirconium oxides
   R05B280/2005: . . Non-oxide ceramics
   R05B280/2006: . . Carbon, e.g. graphite
   R05B280/2007: . . Carbides
   R05B280/20071: . . . of silicon
   R05B280/20072: . . . of titanium, e.g. TiB
   R05B280/20073: . . . of wolfram, e.g. tungsten carbide
   R05B280/2008: . . Nitrides
   R05B280/20081: . . . of aluminium
   R05B280/20082: . . . of boron
   R05B280/20083: . . . of silicon
   R05B280/20084: . . . of titanium
   R05B280/20085: . . . of zirconium
   R05B280/2009: . . Sulfides
   R05B280/20091: . . . of molybdenum
   R05B280/2010: . . Sapphire
   R05B280/2011: . . Aluminium titanate
   R05B280/2012: . . Carbon, e.g. graphite
   R05B280/2013: . . Silica
   R05B280/2014: . . Arsenic
   R05B280/2015: . . Antimony
   R05B280/2016: . . Bismuth
   R05B280/2017: . . Barium
   R05B280/30: Inorganic materials not otherwise provided for
   R05B280/40: Organic materials
   R05B280/4001: . . Leather
   R05B280/4002: . . Cellulosic materials, e.g. wood
   R05B280/4003: . . Synthetic polymers, e.g. plastics; Rubber
   R05B280/4004: . . Rubber
   R05B280/4005: . . PTFE (PolyTetraFluorEthylene)
   R05B280/4006: . . Polyamides, e.g. NYLON
   R05B280/4007: . . Thermoplastics
   R05B280/4008: . . Polyamides, e.g. Aurum
   R05B280/4009: . . Polyetherketones, e.g. PEEK
   R05B280/4010: . . Silicon polymers
   R05B280/4011: . . Organic materials not otherwise provided for
   R05B280/50: Intrinsic material properties or characteristics
   R05B280/5001: . . Elasticity
   R05B280/5002: . . Thermal properties
   R05B280/5003: . . Expansivity
   R05B280/50031: . . . similar
   R05B280/50032: . . . dissimilar
   R05B280/5004: . . Heat transfer
   R05B280/5005: . . Reflective properties
   R05B280/5006: . . Shape memory
   R05B280/5007: . . Hardness
   R05B280/5008: . . Magnetic properties
   R05B280/5009: . . non-magnetic
   R05B280/5010: . . Self lubricating materials; Solid lubricants
   R05B280/5011: . . Surface roughness
   R05B280/60: Properties or characteristics given to material by treatment or manufacturing
   R05B280/6001: . . Fabrics
   R05B280/6002: . . . Woven fabrics
   R05B280/6003: . . Composites; e.g. fibre-reinforced
   R05B280/6004: . . amorphous
   R05B280/6005: . . crystalline
   R05B280/6006: . . Directionally-solidified crystalline structures
   R05B280/6007: . . monocrystalline
   R05B280/6008: . . Structures
   R05B280/6009: . . Grain size
   R05B280/6010: . . Syntactic
   R05B280/6011: . . Coating
   R05B280/6012: . . Foam
   R05B280/6013: . . Fibres
   R05B280/6014: . . Filler
   R05B280/6015: . . Resin
   R05B280/70: Treatments or modification of materials
   R05B280/701: . . Heat treatments
   R05B280/702: . . Reinforcements