IPC Classification

Class code (prefix) Descriptions Number of results
F03B 1/00 Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on bladed or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
F03B 1/02 Buckets; Bucket-carrying rotors
F03B 1/04 Nozzles; Nozzle-carrying members
F03B 3/00 Machines or engines of reaction type; Parts or details peculiar thereto
F03B 3/02 Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines
F03B 3/04 Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
F03B 3/06 Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines with adjustable blades, e.g. Kaplan turbines
F03B 3/08 Machines or engines of reaction type; Parts or details peculiar thereto with pressure/velocity transformation exclusively in rotors
F03B 3/10 Machines or engines of reaction type; Parts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
F03B 3/12 Blades; Blade-carrying rotors
F03B 3/14 Rotors having adjustable blades
F03B 3/16 Stators
F03B 3/18 Stator blades; Guide conduits or vanes, e.g. adjustable
F03B 5/00 Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
F03B 7/00 Water wheels
F03B 9/00 Endless-chain type machines or engines
F03B 11/00 Parts or details not provided for in, or of interest apart from, groups
F03B 11/02 Casings
F03B 11/04 Parts or details not provided for in, or of interest apart from, groups for diminishing cavitation or vibration, e.g. balancing
F03B 11/06 Bearing arrangements
F03B 11/08 Parts or details not provided for in, or of interest apart from, groups for removing foreign matter, e.g. mud
F03B 13/00 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
F03B 13/02 Adaptations for drilling wells
F03B 13/04 Adaptations for use in dentistry
F03B 13/06 Stations or aggregates of water-storage type
F03B 13/08 Machine or engine aggregates in dams or the like; Conduits therefor
F03B 13/10 Submerged units incorporating electric generators or motors
F03B 13/12 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
F03B 13/14 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
F03B 13/16 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member
F03B 13/18 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
F03B 13/20 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein both members are movable relative to the sea bed or shore
F03B 13/22 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements, e.g. to drive a hydraulic motor or turbine
F03B 13/24 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy to produce a flow of air, e.g. to drive an air turbine
F03B 13/26 Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
F03B 15/00 Controlling
F03B 15/02 Controlling by varying liquid flow
F03B 15/04 Controlling by varying liquid flow of turbines
F03B 15/06 Regulating, i.e. acting automatically
F03B 15/08 Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow
F03B 15/10 Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow without retroactive action
F03B 15/12 Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow with retroactive action
F03B 15/14 Regulating, i.e. acting automatically by or of water level
F03B 15/16 Regulating, i.e. acting automatically by power output
F03B 15/18 Regulating, i.e. acting automatically for safety purposes, e.g. preventing overspeed
F03B 15/20 Controlling by varying liquid flow specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors
F03B 15/22 Controlling by varying liquid flow specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors for safety purposes
F03B 17/00 Other machines or engines
F03B 17/02 Other machines or engines using hydrostatic thrust
F03B 17/04 Alleged perpetua mobilia
F03B 17/06 Other machines or engines using liquid flow, e.g. of swinging-flap type