WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F03B　MACHINES OR ENGINES FOR LIQUIDS (positive-displacement engines for liquid F03C; machines for liquids and gases F01; positive-displacement machines for liquids F04 , rotary fluid gearing of the hydrokinetic type F16H 41/00)

F03B 1/00 Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto

F03B 1/02 ・Buckets; Bucket-carrying rotors

F03B 1/04 ・Nozzles (in general B05B); Nozzle-carrying members

F03B 3/00 Machines or engines of reaction type; Parts or details peculiar thereto

F03B 3/02 ・with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines {(rotors per se F03B 3/12C)}

F03B 3/04 ・with substantially axial flow throughout rotors, e.g. propeller turbines {(rotors per se F03B 3/14D)}

F03B 3/06 ・・with adjustable blades, e.g. Kaplan turbines {(rotors per se F03B 3/14)}

F03B 3/08 ・with pressure-velocity transformation exclusively in rotors

F03B 3/10 ・characterised by having means for functioning alternatively as pumps or turbines {starting F03B 15/005}

F03B 3/103 ・・{the same wheel acting as turbine wheel and as pump wheel}

F03B 3/106 ・・{the turbine wheel and the pumps wheel being mounted in adjacent positions on the same shaft in a single casing}

F03B 3/12 ・Blades; Blade-carrying rotors

F03B 3/121 ・・{Blades, their form or construction}

F03B 3/123 ・・・{specially designed as adjustable blades, e.g. for Kaplan-type turbines}

F03B 3/125 ・・{Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines}

F03B 3/126 ・・{Rotors for essentially axial flow, e.g. for propeller turbines (with adjustable blades F03B 3/14)}

F03B 3/128 ・・{Mounting, demounting}

F03B 3/14 ・・Rotors having adjustable blades {blade form or construction F03B 3/123}

F03B 3/145 ・・・{Mechanisms for adjusting the blades (if the regulation aspect is preponderent, see F03B 15/00 and subgroups)}

F03B 3/16 ・Stators

F03B 3/18 ・・Stator blades; Guide conduits or vanes, e.g. adjustable {Conduits in dams or the like F03B 13/08; arrangement of valves F03B 11/004}

F03B 3/183 ・・・{Adjustable vanes, e.g. wicket gates}

F03B 3/186 ・・・{Spiral or volute casings}

F03B 5/00 Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction

F03B 7/00 Water wheels {of swinging flap type F03B 17/06}

F03B 7/003 ・{with buckets receiving the liquid}

F03B 7/006 ・{of the endless-chain type}

F03B 9/00 Endless-chain machines or engines

F03B 9/005 ・{with buckets receiving the liquid}

F03B 11/00 Parts or details not provided for in, or of interest apart from, the preceding groups (controlling F03B 15/00), {e.g. wear-protection couplings, between turbine and generator}

F03B 11/002 ・{Injecting air or other fluid (F03D 11/0025, F03B 11/04, F03B 15/00 take precedence)}

F03B 11/004 ・{Valve arrangements (F03B 3/10 takes precedence; adjustable wicket gates F03B 3/183; valves in general F16K)}

F03B 11/006 ・{Sealing arrangements (F03B 3/14, F03B 3/183, F03B 13/083 takes precedence; sealings in general F16J)}

F03B 11/008 ・{Measuring or testing arrangements (in general G01)}

F03B 11/02 ・Casings {Spiral or volute casings F03B 3/186}

F03B 11/025 ・・{Covers}

F03B 11/04 ・for diminishing cavitation or vibration, e.g. balancing

F03B 11/06 ・Bearing arrangements

F03B 11/063 ・・{Arrangements for balancing axial thrust}

F03B 11/066 ・・・{in vertical axis machines}

F03B 11/08 ・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 (if the apparatus aspects are predominant, see the relevant subclasses for such apparatus, e.g. H02K 7/18); Power stations or aggregates (incorporating only machines or engines of positive-displacement type F03C; hydraulic engineering aspects E02B; {combinations with wind energy converters F03D 9/008})

F03B 13/02 ・Adaptations for drilling wells

F03B 13/04 ・Adaptations for use in dentistry {for driving tools or the like having relatively small outer diameter, e.g. pipe cleaning tools}

F03B 13/06 ・Stations or aggregates of water-storage type, {e.g. comprising a turbine and a pump}(turbines characterised by having means for functioning alternatively as pumps F03B 3/10)

F03B 13/08 ・Machine or engine aggregates in dams or the like; Conduits therefor, {e.g. diffusors (bulb groups F03B 13/105)}

F03B 13/083 ・・{The generator rotor being mounted as turbine rotor rim}

F03B 13/086 ・・{Plants characterised by the use of siphons; their regulation (siphon weirs E02B 7/18; siphons in general F04F 10/00)}

F03B 13/10 ・Submerged units incorporating electric generators or motors

F03B 13/105 ・・{Bulb groups}

F03B 13/12 ・characterised by using wave or tide energy

F03B 13/14 ・・using wave energy

F03B 13/141 ・・・{with a static energy collector}

F03B 13/142 ・・・・{which creates an oscillating water column}

F03B 13/144 ・・・・{which lifts water above sea level}

F03B 13/145 ・・・・・{for inmediate use in an energy converter}

F03B 13/147 ・・・・・{for later use}

F03B 13/148 ・・・{using the static pressure increase due to the wave}

F03B 13/16 ・・・using the relative movement between a wave-operated member, {i.e. a "wom"} and another member, {i.e. a reaction member or "rem"}

F03B 13/18 ・・・・where the other member, {i.e. rem} is fixed, at least at one point, with respect to the sea bed or shore

F03B 13/1805 ・・・・・{and the wom is hinged to the rem}

F03B 13/181 ・・・・・・{for limited rotation}

F03B 13/1815 ・・・・・・・{with an up-and-down movement}

F03B 13/182 ・・・・・・・{with a to-and-fro movement}

F03B 13/1825 ・・・・・・{for 360° rotation}

F03B 13/183 ・・・・・・・{of a turbine-like wom}

F03B 13/1835 ・・・・・・・{of an endless-belt type wom}

F03B 13/184 ・・・・・・・{of a water-wheel type wom}

F03B 13/1845 ・・・・・{and the wom slides relative to the rem}

F03B 13/185 ・・・・・・{not vertically}

F03B 13/1855 ・・・・・・{where the connection between wom and conversion system takes tension and compression (F03B 13/187, F03B 13/1875 take precedence)}

F03B 13/186 ・・・・・・・{the connection being of the rack-and-pinion type}

F03B 13/1865 ・・・・・・{where the connection between wom and conversion system takes tension only (F03B 13/187, F03B 13/1875 take precedence)}

F03B 13/187 ・・・・・・{and the wom directly actuates the piston of a pump}

F03B 13/1875 ・・・・・・{and the wom is the piston or the cylinder in a pump}

F03B 13/188 ・・・・・{and the wom is flexible or deformable}

F03B 13/1885 ・・・・・{and the wom is tied to the rem}

F03B 13/189 ・・・・・・{acting directly on the piston of a pump}

F03B 13/1895 ・・・・・・{where the tie is a tension/compression member}

F03B 13/20 ・・・・wherein both members {i.e. wom and rem} are movable relative to the sea bed or shore

F03B 13/22 ・・・using the flow of water resulting from wave movements to drive a motor or turbine {(F03B 13/144 takes precedence)}

F03B 13/24 ・・・to produce a flow of air, e.g. to drive an air turbine {(F03B 13/142 takes precedence)}

F03B 13/26 ・・using tide energy

F03B 13/262 ・・・{using the relative movement between a tide-operated member and another member}

F03B 13/264 ・・・{using the horizontal flow of water resulting from tide movement}

F03B 13/266 ・・・{to compress air}

F03B 13/268 ・・・{making use of a dam}

F03B 15/00 Controlling (controlling in general G05){regulation of plants characterised by the use of siphons F03B 13/086}

F03B 15/005 ・{Starting, also of pump-turbines}

F03B 15/02 ・by varying liquid flow

F03B 15/04 ・・of turbines (rotors having adjustable blades F03B 3/06, F03B 3/14; adjustable guide vanes F03B 3/18; specially adapted for turbines with jets of high-velocity liquid inpinging on bladed or like rotors F03B 15/20)

F03B 15/06 ・・・Regulating, i.e. acting automatically

F03B 15/08 ・・・・by speed, e.g. by measuring electric frequency or liquid flow

F03B 15/10 ・・・・・without retroactive action

F03B 15/12 ・・・・・with retroactive action

F03B 15/14 ・・・・by or of water level

F03B 15/16 ・・・・by power output

F03B 15/18 ・・・・for safety purposes, e.g. preventing over-speed

F03B 15/20 ・・specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors (nozzles F03B 1/04)

F03B 15/22 ・・・for safety purposes

F03B 17/00 Other machines or engines

F03B 17/005 ・{Installations wherein the liquid circulates in a closed loop (F03B 13/06 takes precedence); Alleged perpetua mobilia of this or similar kind (perpetua mobilia using hydrostatic thrust or buoyancy F03B 17/04)}

F03B 17/02 ・using hydrostatic thrust

F03B 17/025 ・・{and reciprocating motion}

F03B 17/04 ・・Alleged perpetua mobilia {(with closed loop circulation or similar F03B 17/005)}

F03B 17/06 ・using liquid flow {with predominantly kinetic energy conversion}, e.g. of swinging-flap type, {"run-of-river", "ultra-low head" (F03B 13/264 takes precedence)}

F03B 17/061 ・・{with rotation axis substantially in flow direction}

F03B 17/062 ・・{with rotation axis substantially at right angle to flow direction}

F03B 17/063 ・・・{the flow engaging parts having no movement relative to the rotor during its rotation}

F03B 17/064 ・・・・{and a rotor of the endless-chain type}

F03B 17/065 ・・・{the flow engaging parts having a cyclic movement relative to the rotor during its rotation}

F03B 17/066 ・・・・{and a rotor of the endless-chain type}

F03B 17/067 ・・・・{the cyclic relative movement being positively coupled to the movement of rotation}

F03B 17/068 ・・・・・{and a rotor of the endless-chain type}