IPC-Stelle: F01D 25/20 [Version 2006.01]

SymbolTypTitel
FSKSECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01USKENGINES OR PUMPS
F01KLMACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, F04); ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01DUKLNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive-displacement pumps F04D)
F01D 1/00HGRNon-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K)
F01D 1/02UGR1
.with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) [5]
F01D 1/04UGR2
. .traversed by the working-fluid substantially axially
F01D 1/06UGR2
. .traversed by the working-fluid substantially radially
F01D 1/08UGR3
. . .having inward flow
F01D 1/10UGR2
. .having two or more stages subjected to working-fluid flow without essential intermediate pressure change, i.e. with velocity stages (F01D 1/12 takes precedence)
F01D 1/12UGR2
. .with repeated action on same blade ring
F01D 1/14UGR3
. . .traversed by the working-fluid substantially radially
F01D 1/16UGR2
. .characterised by having both reaction stages and impulse stages
F01D 1/18UGR1
.without working-fluid guiding means (F01D 1/24, F01D 1/32, F01D 1/34 take precedence) [5]
F01D 1/20UGR2
. .traversed by the working-fluid substantially axially
F01D 1/22UGR2
. .traversed by the working-fluid substantially radially
F01D 1/24UGR1
.characterised by counter-rotating rotors subjected to same working-fluid stream without intermediate stator blades or the like
F01D 1/26UGR2
. .traversed by the working-fluid substantially axially
F01D 1/28UGR2
. .traversed by the working-fluid substantially radially
F01D 1/30UGR1
.characterised by having a single rotor operable in either direction of rotation, e.g. by reversing of blades (combinations of machines or engines F01D 13/00)
F01D 1/32UGR1
.with pressure/velocity transformation exclusively in rotor, e.g. the rotor rotating under the influence of jets issuing from the rotor
F01D 1/34UGR1
.characterised by non-bladed rotor, e.g. with drilled holes (F01D 1/32 takes precedence; sirens G10K 7/00) [5]
F01D 1/36UGR2
. .using fluid friction
F01D 1/38UGR2
. .of the screw type [5]
F01D 3/00HGRMachines or engines with axial-thrust balancing effected by working fluid
F01D 3/02UGR1
.characterised by having one fluid flow in one axial direction and another fluid flow in the opposite direction
F01D 3/04UGR1
.axial thrust being compensated by thrust-balancing dummy piston or the like
F01D 5/00HGRBlades; Blade-carrying members (nozzle boxes F01D 9/02); Heating, heat-insulating, cooling, or antivibration means on the blades or the members
F01D 5/02UGR1
.Blade-carrying members, e.g. rotors (rotors of non-bladed type F01D 1/34; stators F01D 9/00)
F01D 5/03UGR2
. .Annular blade-carrying members having blades on the inner periphery of the annulus and extending inwardly radially, i.e. inverted rotors [6]
F01D 5/04UGR2
. .for radial-flow machines or engines
F01D 5/06UGR2
. .Rotors for more than one axial stage, e.g. of drum or multiple-disc type; Details thereof, e.g. shafts, shaft connections
F01D 5/08UGR2
. .Heating, heat-insulating, or cooling means
F01D 5/10UGR2
. .Antivibration means
F01D 5/12UGR1
.Blades (blade roots F01D 5/30; rotors with blades adjustable in operation F01D 7/00; stator blades F01D 9/02)
F01D 5/14UGR2
. .Form or construction (selecting particular materials, measures against erosion or corrosion F01D 5/28)
F01D 5/16UGR3
. . .for counteracting blade vibration
F01D 5/18UGR3
. . .Hollow blades; Heating, heat-insulating, or cooling means on blades
F01D 5/20UGR3
. . .Specially-shaped blade tips to seal space between tips and stator
F01D 5/22UGR2
. .Blade-to-blade connections, e.g. by shrouding
F01D 5/24UGR3
. . .using wire or the like
F01D 5/26UGR2
. .Antivibration means not restricted to blade form or construction or to blade-to-blade connections
F01D 5/28UGR2
. .Selecting particular materials; Measures against erosion or corrosion
F01D 5/30UGR1
.Fixing blades to rotors; Blade roots
F01D 5/32UGR2
. .Locking, e.g. by final locking-blades or keys
F01D 5/34UGR1
.Rotor-blade aggregates of unitary construction
F01D 7/00HGRRotors with blades adjustable in operation; Control thereof (for reversing F01D 1/30)
F01D 7/02UGR1
.having adjustment responsive to speed
F01D 9/00HGRStators (non-fluid guiding aspects of casings, regulating, controlling, or safety aspects, see the relevant groups)
F01D 9/02UGR1
.Nozzles; Nozzle boxes; Stator blades; Guide conduits
F01D 9/04UGR2
. .forming ring or sector
F01D 9/06UGR1
.Fluid supply conduits to nozzles or the like
F01D 11/00HGRPreventing or minimising internal leakage of working fluid, e.g. between stages (sealings in general F16J)
F01D 11/02UGR1
.by non-contact sealings, e.g. of labyrinth type (for sealing space between rotor blade tips and stator F01D 11/08)
F01D 11/04UGR2
. .using sealing fluid, e.g. steam
F01D 11/06UGR3
. . .Control thereof
F01D 11/08UGR1
.for sealing space between rotor blade tips and stator (specially-shaped blade tips therefor F01D 5/20)
F01D 11/10UGR2
. .using sealing fluid, e.g. steam
F01D 11/12UGR2
. .using a rubstrip, e.g. erodible, deformable or resiliently biased part [6]
F01D 11/14UGR2
. .Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing (rotors with blades adjustable in operation F01D 7/00) [6]
F01D 11/16UGR3
. . .by self-adjusting means (F01D 11/12 takes precedence) [6]
F01D 11/18UGR4
. . . .using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion [6]
F01D 11/20UGR3
. . .Actively adjusting tip-clearance [6]
F01D 11/22UGR4
. . . .by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor [6]
F01D 11/24UGR4
. . . .by selectively cooling or heating stator or rotor components [6]
F01D 13/00HGRCombinations of two or more machines or engines (F01D 15/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H; regulating or controlling, see the relevant groups)
F01D 13/02UGR1
.Working-fluid interconnection of machines or engines
F01D 15/00HGRAdaptations of machines or engines for special use; Combinations of engines with devices driven thereby (regulating or controlling, see the relevant groups; aspects predominantly concerning driven devices, see the relevant classes for the devices)
F01D 15/02UGR1
.Adaptations for driving vehicles, e.g. locomotives (arrangement in vehicles, see the relevant vehicle classes)
F01D 15/04UGR2
. .the vehicles being waterborne vessels
F01D 15/06UGR1
.Adaptations for driving, or combinations with, hand-held tools or the like
F01D 15/08UGR1
.Adaptations for driving, or combinations with, pumps
F01D 15/10UGR1
.Adaptations for driving, or combinations with, electric generators
F01D 15/12UGR1
.Combinations with mechanical gearing (driven by multiple engines F01D 13/00)
F01D 17/00HGRRegulating or controlling by varying flow (for reversing F01D 1/30; by varying rotor blade position F01D 7/00; specially for starting F01D 19/00; shutting-down F01D 21/00; regulating or controlling in general G05)
F01D 17/02UGR1
.Arrangement of sensing elements (sensing elements per se, see the relevant subclasses)
F01D 17/04UGR2
. .responsive to load
F01D 17/06UGR2
. .responsive to speed
F01D 17/08UGR2
. .responsive to condition of working fluid, e.g. pressure
F01D 17/10UGR1
.Final actuators (valves in general F16K)
F01D 17/12UGR2
. .arranged in stator parts
F01D 17/14UGR3
. . .varying effective cross-sectional area of nozzles or guide conduits
F01D 17/16UGR4
. . . .by means of nozzle vanes
F01D 17/18UGR3
. . .varying effective number of nozzles or guide conduits
F01D 17/20UGR1
.Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted (sensing elements alone F01D 17/02; final actuators alone F01D 17/10)
F01D 17/22UGR2
. .the operation or power assistance being predominantly non-mechanical
F01D 17/24UGR3
. . .electrical
F01D 17/26UGR3
. . .fluid, e.g. hydraulic
F01D 19/00HGRStarting of machines or engines; Regulating, controlling, or safety means in connection therewith (warming-up before starting F01D 25/10; turning or inching gear F01D 25/34)
F01D 19/02UGR1
.dependent on temperature of component parts, e.g. of turbine casing
F01D 21/00HGRShutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
F01D 21/02UGR1
.Shutting-down responsive to overspeed
F01D 21/04UGR1
.responsive to undesired position of rotor relative to stator, e.g. indicating such position
F01D 21/06UGR2
. .Shutting-down
F01D 21/08UGR2
. .Restoring position
F01D 21/10UGR1
.responsive to unwanted deposits on blades, in working-fluid conduits, or the like
F01D 21/12UGR1
.responsive to temperature
F01D 21/14UGR1
.responsive to other specific conditions
F01D 21/16UGR1
.Trip gear
F01D 21/18UGR2
. .involving hydraulic means
F01D 21/20UGR1
.Checking operation of shut-down devices
F01D 23/00HGRNon-positive-displacement machines or engines with movement other than pure rotation, e.g. of endless-chain type
F01D 25/00HGRComponent parts, details, or accessories, not provided for in, or of interest apart from, other groups
F01D 25/02UGR1
.De-icing means for engines having icing phenomena
F01D 25/04UGR1
.Antivibration arrangements
F01D 25/06UGR2
. .for preventing blade vibration (means on blade-carrying members or blades F01D 5/00)
F01D 25/08UGR1
.Cooling (of machines or engines in general F01P); Heating; Heat insulation (of blade-carrying members, of blades F01D 5/00)
F01D 25/10UGR2
. .Heating, e.g. warming-up before starting
F01D 25/12UGR2
. .Cooling
F01D 25/14UGR2
. .Casings modified therefor (double casings F01D 25/26)
F01D 25/16UGR1
.Arrangement of bearings; Supporting or mounting bearings in casings (bearings per seF16C)
F01D 25/18UGR1
.Lubricating arrangements (of machines or engines in general F01M)
F01D 25/20UGR2
. .using lubrication pumps
F01D 25/22UGR2
. .using working fluid or other gaseous fluid as lubricant
F01D 25/24UGR1
.Casings (modified for heating or cooling F01D 25/14); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general F16M)
F01D 25/26UGR2
. .Double casings; Measures against temperature strain in casings
F01D 25/28UGR1
.Supporting or mounting arrangements, e.g. for turbine casing
F01D 25/30UGR1
.Exhaust heads, chambers, or the like
F01D 25/32UGR1
.Collecting of condensation water; Drainage
F01D 25/34UGR1
.Turning or inching gear
F01D 25/36UGR2
. .using electric motors